Matrix Electrodes Patents (Class 349/143)
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Patent number: 8593597Abstract: The active matrix substrate includes: a plurality of switching elements provided on an insulating substrate; a plurality of lines provided on the insulating substrate and connected to the switching elements; an interlayer insulating film covering the switching elements and the lines; a plurality of pixel electrodes formed on the interlayer insulating film; and a plurality of terminals connected to the lines and placed with a predetermined spacing. At least part of each of the terminals is not covered with the interlayer insulating film. A reflection layer configured to reflect light is provided in a region that is at least part of each gap between the adjacent terminals and includes an edge of the interlayer insulating film, as viewed from the normal to the surface of the insulating substrate.Type: GrantFiled: February 23, 2010Date of Patent: November 26, 2013Assignee: Sharp Kabushiki KaishaInventors: Kazuyori Mitsumoto, Masahiro Yoshida
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Patent number: 8593604Abstract: An improved two layer electrode structure is fabricated on a surface. According to one aspect of the invention, the first layer of the electrode structure is designed to provide electrical contact to a fluid electronic material and the second layer of the electrode structure is formed so as to constrain the fluid electronic material in a precise pattern. Alternatively, the second layer of the two-layer electrode structure includes a low surface energy material to further assist in constraining the fluid electronic material to the desired pattern. In another alternative, the first layer of the electrode structure includes a transparent electrode material, that is coupled to an electro-optical device. The second layer of this electrode structure includes a high conductivity material that is coupled to the first layer of the electrode structure in an area not directly over the electro-optical device to improve the conductivity of the transparent electrode structure.Type: GrantFiled: September 14, 2012Date of Patent: November 26, 2013Assignee: Transpacific Infinity, LLCInventor: Dennis Lee Matthies
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Patent number: 8587759Abstract: A thin film transistor array panel, according to an embodiment of the present invention, includes a first data line, a second data line neighboring the first data line, a transistor disposed between the first data line and the second data line, and a pixel electrode disposed close to the second data line. An extension of the pixel electrode may cross the second data line, thereby being connected to the transistor. Accordingly, it may not be necessary to use an additional connecting member between the pixel electrode and the data line such that the process may be shortened and the structure of the wiring may be simplified. Also, spatial utility may be increased. Further transistors can be laid out in inversion symmetrical manner, with corresponding pixel electrode extensions crossing over respective data lines. This layout can be readily driven to reduce flicker and cross-talk.Type: GrantFiled: May 21, 2012Date of Patent: November 19, 2013Assignee: Samsung Display Co., Ltd.Inventor: Dong-Gyu Kim
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Patent number: 8587757Abstract: To provide a plural-viewpoint display device having an image separating optical element such as a lenticular lens or a parallax barrier, which is capable of arranging thin film transistors and wirings while achieving substantially trapezoid apertures and high numerical aperture, and to provide a driving method thereof, a terminal device, and a display panel. A neighboring pixel pair arranged with a gate line interposed therebetween is connected to the gate line placed between the pixels, each of the pixels configuring the neighboring pixel pair is connected to the data line different from each other, and each of the neighboring pixel pairs neighboring to each other in an extending direction of the gate lines is connected to the gate line different from each other.Type: GrantFiled: April 17, 2013Date of Patent: November 19, 2013Assignee: NLT Technologies, Ltd.Inventors: Shinichi Uehara, Hidenori Ikeno, Tetsushi Satou
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Publication number: 20130300993Abstract: There is provided a liquid crystal device including a first substrate, a second substrate, a liquid crystal layer that is interposed between and supported by the first substrate and the second substrate, a protrusion portion that is provided on the first substrate and protrudes toward the liquid crystal layer, and a plurality of pixel electrodes that are arranged in the vicinity of the protrusion portion. In the liquid crystal device, a spacing between ends of the plurality of pixel electrodes and an end of the protrusion portion is greater than a height of the protrusion portion.Type: ApplicationFiled: May 6, 2013Publication date: November 14, 2013Applicant: Seiko Epson CorporationInventor: Takafumi Egami
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Publication number: 20130293821Abstract: An active device array substrate includes a substrate, first scan lines, second scan lines, data lines, and pixels. The first and the second scan lines are alternately arranged along a first direction. The data lines are arranged in parallel along a second direction. The pixels are arranged to form first pixel rows and second pixel rows alternately arranged in the first direction. The first pixel row includes first and second pixels electrically connected to the first scan lines, the second scan lines, and the data line, respectively. The second pixel row includes third and fourth pixels electrically connected to the first scan lines, the second scan lines, and the data line, respectively. The pixels between two adjacent data lines are arranged in two columns. Among the pixels in the same column, the pixels in odd rows and in even rows are electrically connected to different data lines, respectively.Type: ApplicationFiled: June 27, 2013Publication date: November 7, 2013Inventors: Kuo-Chang Su, Kuo-Hua Hsu, Chun-Hsin Liu, Yung-Chih Chen
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Publication number: 20130293820Abstract: A liquid crystal display has its common electrode and pixel electrodes formed on a same substrate where the substrate further includes a plurality of common voltage transmitting lines disposed under both of the common electrode and the pixel electrodes and forming a ladder-like network connected to the common electrode at multiple connection locations for providing the common voltage to the common electrode by way of conduction paths having substantially lower resistivity than the common electrode, whereby an RC delay factor of transmitting the common voltage is reduced.Type: ApplicationFiled: March 14, 2013Publication date: November 7, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Mi Sun LEE
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Patent number: 8576366Abstract: A pixel array includes pixel sets. Each pixel set includes a first and second scan lines arranged in parallel on a substrate, a data line not parallel to the first and second scan lines, a first active device electrically connecting the first scan line and the data line, a second active device electrically connecting the second scan line and the data line, a first pixel electrode electrically connecting the first active device, a second pixel electrode electrically connecting the second active device, and an auxiliary electrode pattern that includes a connecting portion and a first and second branch portions. A gap is between the first and second pixel electrodes. The connecting portion underneath the gap between the first and second pixel electrodes partially overlaps the first and second pixel electrodes. The first and second branch portions connect the connecting portion and partially overlap the first and second pixel electrodes, respectively.Type: GrantFiled: April 1, 2011Date of Patent: November 5, 2013Assignee: Au Optronics CorporationInventors: Hui-Ting Hsu, Chu-Yu Liu, Yu-Chieh Kuo, I-Chun Chen, Jen-Wen Wan, Chou-Chin Wu
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Patent number: 8576367Abstract: A liquid crystal display panel device includes a thin film transistor array substrate having a gate line provided on a substrate, a data line intersecting the gate line and having a gate insulating pattern disposed therebetween to define a pixel area, a thin film transistor provided at the intersection between the gate line and the data line, a protective film for protecting the thin film transistor, a pixel electrode provided at the pixel area and connected to the thin film transistor, a gate pad connected to the gate line and formed from a transparent conductive film included in the gate line, and a data pad connected to the data line and formed from the transparent conductive film, and a color filter array substrate joined with the thin film transistor array substrate to be opposed to each other, wherein the protective film is provided at an area where it overlaps with the color filter array substrate to expose the transparent conductive films included in the gate pad and the data pad.Type: GrantFiled: October 13, 2004Date of Patent: November 5, 2013Assignee: LG Display Co., Ltd.Inventors: Soon Sung Yoo, Youn Gyoung Chang, Seung Hee Nam
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Patent number: 8570477Abstract: A substrate for a liquid crystal display device, including a pixel electrode formed on the substrate, wherein the pixel electrode includes a micro-cutout pattern defined by a plurality of micro-cutouts extending in four different directions with respect to an extension direction of a rough structural pattern. The substrate also includes a first electrode extending in a first direction, a second electrode extending in a second direction that is approximately perpendicular to the first direction, and a contact hole that electrically connects the pixel electrode and the first electrode. A portion of the rough structural pattern and/or a portion of the micro-cutout pattern overlap the first electrode. Also disclosed is a liquid crystal display device including such a substrate.Type: GrantFiled: September 13, 2012Date of Patent: October 29, 2013Assignee: Sharp Kabushiki KaishaInventors: Shingo Kataoka, Arihiro Takeda, Takahiro Sasaki, Tsutomu Seino, Yoshio Koike, Hidefumi Yoshida, Yuichi Inoue, Kazutaka Hanaoka, Seiji Tanuma, Takatoshi Mayama, Kimiaki Nakamura, Hideo Chida, Seiji Doi, Tetsuya Fujikawa, Takashi Takagi, Hiroyasu Inoue
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Publication number: 20130278853Abstract: The present invention provides a polymer stabilization alignment liquid crystal display panel having a plurality of pixel regions defined by plurals of data lines and gate lines. Each pixel region includes a main region and a sub region, and a first pixel electrode and a second pixel electrode correspond to the main region and the sub region respectively, wherein each of the data lines has a first width adjacent to the main display region and a second width adjacent to the sub display region, and the second width is larger than the first width. Each first pixel electrode is separated from the adjacent data line and thereby forming a gap therebetween. Each second pixel electrode partially overlaps the adjacent data line to form an overlap width. Accordingly, the present invention not only can increase the aperture ratio, but also well control the liquid crystal molecules located near the data lines.Type: ApplicationFiled: June 14, 2013Publication date: October 24, 2013Inventors: CHIN-AN TSENG, CHIA-YU LEE, YEN-HENG HUANG, WEN-HSIEN TSENG, CHIA-HUI PAI, CHUNG-KAI CHEN, WEI-YUAN CHENG, TING-YI CHO
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Publication number: 20130271678Abstract: According to one embodiment, a liquid crystal optical apparatus includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate and a plurality of first electrodes. The first electrodes are provided on the first substrate to extend in a first direction. Each of the first electrodes has a first side surface and a second side surface opposite to the first side surface. The second substrate unit includes a second substrate and an opposing electrode. The second substrate opposes the first substrate. The opposing electrode is provided on the second substrate to oppose the first electrodes. The liquid crystal layer is provided between the first substrate unit and the second substrate unit. The first side surface has a first protruding portion and a first recessed portion arranged with the first protruding portion in the first direction.Type: ApplicationFiled: September 14, 2012Publication date: October 17, 2013Inventors: Shinichi Uehara, Masako Kashiwagi, Ayako Takagi, Masahiro Baba, Yuko Kizu, Yoshiharu Momonoi
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Publication number: 20130271715Abstract: Arbitrary one pixel P (contact hole pixel (13)) is selected in a predetermined demarcated area (20) of the liquid crystal display device of the present invention. The pixel P is (i) any of four pixels Q1 through Q4 (contact hole pixels (13)) closest to another pixel P or (ii) (a) contained in a quadrangle whose vertices correspond to respective four pixels Q1 through Q4 closest to the pixel P and (b) any of four pixels Q1 through Q4 closest to another pixel P. Further, two diagonal lines of a quadrangle formed by four pixels Q1 through Q4 are inclined at respective two angles with respect to a gate bus line (line segment A-B), and a difference between the two angles is smaller than 30 degrees. Moreover, the contact hole pixels (13) are provided for respective source bus lines in the predetermined demarcated area (20).Type: ApplicationFiled: December 21, 2011Publication date: October 17, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Yuki Kawashima, Yasutoshi Tasaka, Yasuyoshi Kaise, Noboru Nakanishi
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Patent number: 8558980Abstract: A pixel structure including a scan line, a first data line, a second data line, a first active device, a second active device, a first pixel electrode, a second pixel electrode, and a common electrode is provided. The first data line and the second data line are respectively intersected with the scan line. The first pixel electrode is electrically connected to the first data line through the first active device. The second pixel electrode is electrically connected to the second data line through the second active device. The common electrode is located under the first pixel electrode and the second pixel electrode. Both a first voltage of the first pixel electrode and a second voltage of the second pixel electrode are different from a third voltage of the common electrode.Type: GrantFiled: March 30, 2011Date of Patent: October 15, 2013Assignee: Au Optronics CorporationInventors: Young-Ran Chuang, Ching-Huan Lin, Chu-Yu Liu
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Patent number: 8553188Abstract: A liquid crystal display device comprising a liquid crystal layer including liquid crystal molecules provided between a first substrate and a second substrate; pixels forming a display area; electrodes for applying a voltage across the liquid crystal layer within each of the pixels; a plurality of domain regulating structures for dividing orientations of the liquid crystal molecules and forming multiple domains within each of the pixels, when a predetermined voltage is applied across the liquid crystal layer within each of the pixels. The device also includes a structure which is formed in an outer area located next to the display area, but that does not overlap the display area, and is substantially the same as at least one of the plurality of domain regulating structures.Type: GrantFiled: January 25, 2012Date of Patent: October 8, 2013Assignee: Sharp Kabushiki KaishaInventors: Arihiro Takeda, Katsufumi Ohmuro, Yoshio Koike, Shingo Kataoka, Takahiro Sasaki, Takashi Sasabayashi, Hideaki Tsuda, Hideo Chida, Makoto Ohashi, Kenji Okamoto, Hisashi Yamaguchi, Minoru Otani, Makoto Morishige, Noriaki Furukawa, Tsuyoshi Kamada, Yoshinori Tanaka, Atuyuki Hoshino, Shougo Hayashi, Hideaki Takizawa, Takeshi Kinjou, Makoto Tachibanaki, Keiji Imoto, Tadashi Hasegawa, Hidefumi Yoshida, Hiroyasu Inoue, Yoji Taniguchi, Tetsuya Fujikawa, Satoshi Murata, Manabu Sawasaki, Tomonori Tanose, Siro Hirota, Masahiro Ikeda, Kunihiro Tashiro, Kouji Tsukao, Yasutoshi Tasaka, Takatoshi Mayama, Seiji Tanuma, Yohei Nakanishi
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Patent number: 8547515Abstract: A display substrate includes a transparent substrate, a gate line formed on the transparent substrate, a data line crossing the gate line, a thin film transistor electrically connected to the gate line and the data line, and a pixel electrode. The pixel electrode includes a body electrode section electrically connected to the thin film transistor and a plurality of protruding electrodes protruding from the body electrode section. Each of the protruding electrodes includes a trapezoidal electrode having two sides that are inclined with respect to a protrusion direction that is a lengthwise direction of the body electrode section.Type: GrantFiled: February 10, 2009Date of Patent: October 1, 2013Assignee: Samsung Display Co., Ltd.Inventors: Sung-Hoon Kim, Il-Yong Yoon, Yong-Woo Lee
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Publication number: 20130250225Abstract: The purpose of the present invention is to ensure uniformity among pixels when an electrode for a touch sensor also acts as an electrode for image display at the same time. This display device includes: a circuit substrate; a plurality of pixel electrodes (12) that are arranged in a matrix on a plane that is parallel to the circuit substrate; a liquid crystal layer that can exhibit an image display function on the basis of an image signal supplied to the plurality of pixel electrodes (12), a plurality of driver electrodes (14) arranged in the same layer with gaps therebetween, which can generate an electric field with the pixel electrodes (12) to alter the state of the liquid crystal layer; and a plurality of detection electrodes in the same layer that can be capacitively coupled to the plurality of driver electrodes, respectively, in which at least one of the plurality of driver electrodes (14) is provided with slits (20).Type: ApplicationFiled: November 24, 2011Publication date: September 26, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Kazuhiro Maeda, Yousuke Nakagawa
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Publication number: 20130250224Abstract: An array substrate includes a plurality of pixels arranged in rows and columns. Gate lines are formed along rows of the pixels, and data lines are formed along columns of the pixels. A reflection electrode is near an edge of the some of the pixels, and a transmission electrode is near an edge of others of the pixels. As a result, light transmittance of the array substrate and of a liquid crystal display panel using the array substrate is increased.Type: ApplicationFiled: May 17, 2013Publication date: September 26, 2013Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Sitao HUO, Wenxin Jiang
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Publication number: 20130250218Abstract: The present invention provides a liquid crystal display device which includes a first pixel and a second pixel which are arranged close to each other and are allocated to the same color, and color filters which differ in color tone and are formed on the first pixel and the second pixel, wherein a voltage for driving liquid crystal of the first pixel and a voltage for driving liquid crystal of the second pixel are controlled independently from each other.Type: ApplicationFiled: May 24, 2013Publication date: September 26, 2013Applicant: Hitachi Displays, Ltd.Inventors: Koichi IGETA, Toshiki ASAKURA
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Publication number: 20130250226Abstract: A storage capacitor counter electrode (22) provided on an active matrix substrate (100) includes a first portion (22b) creating a storage capacitance with a storage capacitor bus line (12), a second portion (22a) interposed between the first portion (22b) and a drain electrode (24), and a third portion (22c) being provided opposite from the second portion (22a) with the first portion (22b) sandwiched therebetween and protruding from the first portion (22b). The third portion (22c) is disposed so as not to overlie any pixel electrode other than a pixel electrode (30) that is electrically connected to the drain electrode (24).Type: ApplicationFiled: December 5, 2011Publication date: September 26, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Masahiro Yoshida, Takaharu Yamada
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Patent number: 8542337Abstract: An embodiment of the invention provides a pixel structure of an active matrix organic light emitting display comprising a gate line, a common electrode line, a signal line, a power line, a first thin film transistor which is used as an addressing element, and a second thin film transistor which controls the organic light emitting display. A short-circuit-ring structure is connected between the common electrode line and the signal line and the short-circuit-ring structure communicates the signal line and the common electrode line in the case where a large current flows.Type: GrantFiled: March 23, 2010Date of Patent: September 24, 2013Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventor: Mi Zhang
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Publication number: 20130242217Abstract: In one embodiment, a liquid crystal display device includes an array substrate having a sensor electrode and a plurality of pixel electrodes, and a counter substrate facing the array substrate. The sensor electrode includes an electric conductive oxide layer, a first electric conductive layer arranged on the electric conductive oxide layer and formed of one metal selected from the group consisting of molybdenum (Mo), titanium (Ti), nickel (nickel), and chromium (Cr), and a second electric conductive layer arranged on the first electric conductive layer and formed of aluminum. The plurality of pixel electrodes is arranged on the sensor electrode in a matrix shape so as to face the electric conductive oxide layer. Each pixel electrode is provided with slits. The thickness of the first electric conductive layer is equal to or less than 10% of the thickness of the second electric conductive layer.Type: ApplicationFiled: February 26, 2013Publication date: September 19, 2013Inventor: Yasuo NAOE
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Patent number: 8537319Abstract: A liquid crystal display and a method for fabricating the liquid crystal display are provided. The liquid crystal display includes: a first substrate; scan lines arranged in a first direction on the first substrate; data lines arranged in a second direction such that the data lines cross the scan lines; pixel regions defined by the scan lines and the data lines; a thin film transistor region positioned on a cross region of the scan lines and the data lines such that the thin film transistor region is positioned over at least two of the pixel regions; pixel electrodes overlapped with at least a part of the thin film transistor region while being positioned on the pixel regions; a second substrate positioned apart from the first substrate and equipped with a common electrode, the second substrate opposing the first substrate; and a liquid crystal layer interposed between the first substrate and the second substrate.Type: GrantFiled: November 18, 2005Date of Patent: September 17, 2013Assignee: Samsung Display Co., Ltd.Inventor: Kyung-Ho Choi
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Publication number: 20130235318Abstract: Provided is an active matrix substrate manufacturing method, including the steps of: selectively forming a laminated structure pattern, by forming the laminated structure on a glass substrate (2), by forming a first photosensitive resin pattern (PR) on the laminated structure, and by selectively forming the laminated structure pattern using the first photosensitive resin pattern (PR), the laminated structure including a metal layer (a scanning signal line (11) material), a gate insulative layer (30), and a semiconductor layer (31, 33) (transistor material); fluorinating a surface of the first photosensitive resin pattern (PR) by dry-etching with fluorine gas; applying a coating-type transparent insulative resin (60) onto the glass substrate (2) to fill a space in the laminated structure pattern; and removing the fluorinated first photosensitive resin pattern (PR).Type: ApplicationFiled: April 25, 2013Publication date: September 12, 2013Applicant: Sharp Kabushiki KaishaInventor: Kiyohiro KAWASAKI
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Patent number: 8531641Abstract: A Liquid Crystal Display (LCD) device and a method of manufacturing the same are provided. The liquid crystal molecules are inclined and rearranged in a radial shape by patterning upper and lower electrodes across and apart from each other on dummy pixels disposed on a black matrix formed in a non-display area of an LCD device and applying an electric field to a liquid crystal layer via the upper and lower electrodes. Thus, ion impurities in the non-display area can be prevented from dispersing to a display area, thereby improving edge part stains of the LCD device.Type: GrantFiled: January 11, 2011Date of Patent: September 10, 2013Assignee: Samsung Display Co., Ltd.Inventors: Dae-Won Lee, Kyung-Min Park
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Patent number: 8531408Abstract: Aspects of the present disclosure relate to single-domain electrode configurations that may be implemented in the unit pixels of a LCD device, such as a fringe field switching (FFS) LCD, to provide a “pseudo-multi-domain” effect, wherein the benefits of both conventional single-domain and multi-domain pixel configuration devices are retained. In accordance with aspects of the present technique, single-domain unit pixels are angled or tilted in differing directions with respect to a vertical axis of the LCD panel (e.g., y-axis) to provide an alternating and/or periodic arrangement of different-angled pixel electrodes along each scanning line, data line, or a combination of both scanning and data lines. In this manner, the transmittance rates of conventional single-domain LCD panels may be retained while providing for improved viewing angle and color shift properties typical of conventional multi-domain LCD panels.Type: GrantFiled: February 13, 2009Date of Patent: September 10, 2013Assignee: Apple Inc.Inventors: Ming Xu, Cheng Chen, Mingxia Gu, John Z. Zhong, Shawn Robert Gettemy, Shih Chang Chang
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Publication number: 20130222752Abstract: According to one embodiment, a liquid crystal optical apparatus includes first and second substrate units, a liquid crystal layer, and a drive unit. The first substrate unit includes a first substrate having a first major surface, a plurality of first and second electrodes. The first electrodes are provided on the first major surface to extend in a first direction. The second electrodes are provided on the first major surface to extend in the first direction. The second substrate unit includes a second substrate having a second major surface opposing the first major surface and an opposing electrode. The opposing electrode is provided on the second major surface. The liquid crystal layer is provided between the first and second substrate units. The drive unit is electrically connected to the first and second electrodes, and the opposing electrode and forms a refractive index distribution in the liquid crystal layer.Type: ApplicationFiled: August 29, 2012Publication date: August 29, 2013Inventors: Ayako TAKAGI, Shinichi UEHARA, Masako KASHIWAGI, Masahiro BABA
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Patent number: 8520178Abstract: When a conductive layer is formed, a first liquid composition containing a conductive material is applied on an outer side of a pattern that is desired to be formed (corresponding to a contour or an edge portion of a pattern), and a first conductive layer (insulating layer) having a frame-shape is formed. A second liquid composition containing a conductive material is applied so as to fill a space inside the first conductive layer having a frame-shape, whereby a second conductive layer is formed. The first conductive layer and the second conductive layer are formed so as to be in contact with each other, and the first conductive layer is formed so as to surround the second conductive layer. Therefore, the first conductive layer and the second conductive layer can be used as one continuous conductive layer.Type: GrantFiled: July 27, 2010Date of Patent: August 27, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Hironobu Shoji, Ikuko Kawamata
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Publication number: 20130208224Abstract: According to one embodiment, an apparatus includes a support substrate, first electrodes, second electrodes, a counter substrate, and a liquid crystal layer. The first and second electrodes are provided on a surface of the support substrate. The first and second electrodes are alternately arranged. A counter substrate opposes the surface. The liquid crystal layer is held between the support substrate and the counter substrate. 0.7?D/(L+S)?2 is satisfied. L is an average width of at least two of the first electrodes and at least two of the second electrodes. S is an average distance between at least two pairs of adjacent ones of the first and second electrodes. D is a distance between the support substrate and the counter substrate.Type: ApplicationFiled: August 16, 2012Publication date: August 15, 2013Inventors: Yuko Kizu, Hajime Yamaguchi, Yukio Kizaki, Masao Tanaka, Machiko Ito
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Patent number: 8508835Abstract: A display structure is described comprising a displaying medium, a backplane provided with an active matrix and a pixel pad comprising a plurality of pixels having an inter-pixel spacing, said pixel pad superposing the active matrix, wherein the inter-pixel spacing is in the range of 2.5-40 micrometers, preferably in the range of 8-20 micrometers.Type: GrantFiled: November 2, 2010Date of Patent: August 13, 2013Assignee: Creator Technology B.V.Inventors: Nicolaas Aldegonda Jan Maria Van Aerle, Kevin Michael O'Neill, Petrus Johannes Gerardus Van Lieshout
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Patent number: 8508123Abstract: Disclosed herein is a display panel based on active matrix driving having a display area made up of N pixel control lines, M video signal lines orthogonally intersecting the N pixel control lines, and pixel circuits arranged at intersections between the N pixel control lines and M video signal lines, wherein positional identification patterns are arranged on every k (k being a natural number) pixel control lines inside each of the pixel circuits.Type: GrantFiled: August 22, 2008Date of Patent: August 13, 2013Assignee: Sony CorporationInventor: Kazuo Nakamura
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Patent number: 8502932Abstract: An LCD device is disclosed. The LCD device includes: a gate line and a gate electrode formed on a substrate; a common line formed in the same layer as the gate line; a gate insulation film entirely formed on the substrate with the gate line; a data line formed on the gate insulation film opposite to the common line and configured to cross with the gate line and to define a pixel region; a source electrode formed to protrude from the data line; a drain electrode separated by a first distance from the source electrode; a passivation film entirely formed on the substrate with the data line; and a pixel electrode formed on the passivation film and connected to the drain electrode. The common line includes first and second common lines separated by a second distance from each other, and a third common line formed within the second distance between the first and second common lines and used as a repair pattern during a repairing process.Type: GrantFiled: August 24, 2010Date of Patent: August 6, 2013Assignee: LG Display Co., Ltd.Inventors: Dong Chun Kang, Dae Young Seok, Mon Soo Kang, Jae Ho Yoon, Hyun Jeong Lee
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Patent number: 8502948Abstract: An active device array substrate includes a substrate, first scan lines, second scan lines, data lines, and pixels. The first and the second scan lines are alternately arranged along a first direction. The data lines are arranged in parallel along a second direction. The pixels are arranged to form first pixel rows and second pixel rows alternately arranged in the first direction. The first pixel row includes first and second pixels electrically connected to the first scan lines, the second scan lines, and the data line, respectively. The second pixel row includes third and fourth pixels electrically connected to the first scan lines, the second scan lines, and the data line, respectively. The pixels between two adjacent data lines are arranged in two columns. Among the pixels in the same column, the pixels in odd rows and in even rows are electrically connected to different data lines, respectively.Type: GrantFiled: August 17, 2010Date of Patent: August 6, 2013Assignee: Au Optronics CorporationInventors: Kuo-Chang Su, Kuo-Hua Hsu, Chun-Hsin Liu, Yung-Chih Chen
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Publication number: 20130194536Abstract: A liquid crystal display is provided. A liquid crystal display includes: a first substrate; a thin film transistor disposed on the first substrate; and a first electrode disposed on the thin film transistor and connected to an output terminal of the thin film transistor, wherein the first electrode includes a first region and a second region each including a plurality of minute branches separated from each other by open parts, portions of at least two minute branches among the plurality of minute branches are connected to form a plurality of minute plate branches, and wherein the minute plate branch has a wider width than a minute branch.Type: ApplicationFiled: August 17, 2012Publication date: August 1, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Chang II TAE, Sung Hoon KIM, Hyun-Ho KANG, Yong Woo HYUNG, Jang-Il KIM, Eun-Kil PARK, Jeong Soo CHOI, Bo Yeong KIM, Jae-Jin SONG
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Patent number: 8497969Abstract: A liquid crystal display device includes an array substrate including a pixel electrode which is disposed in each of pixels, a counter-substrate which is disposed to be opposed to the array substrate and includes a counter-electrode which is common to a plurality of the pixels, and a liquid crystal layer which is held between the array substrate and the counter-substrate. The pixel electrode includes a first major electrode portion having a strip shape, and the counter-electrode includes second major electrode portions each having a strip shape, the second major electrode portions being disposed in parallel to the first major electrode portion in a manner that the first major electrode portion is interposed between the second major electrode portions and that the first major electrode portion and the second major electrode portions are alternately arranged.Type: GrantFiled: November 23, 2011Date of Patent: July 30, 2013Assignee: Japan Display Central Inc.Inventor: Jin Hirosawa
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Publication number: 20130182211Abstract: A liquid crystal display device using a wall electrode facilitates enclosing of liquid crystal and improves transmittance. The liquid crystal display device includes a plurality of pixels arranged in a matrix. Each of the pixels includes large walls, a small wall, a TFT-side electrode, and a wall electrode. The large walls extend in a long-side direction of the pixel at both ends of the pixel. The small wall extends parallel to the large walls between the large walls. The TFT-side electrode is formed on the small wall. The wall electrode is formed on a side surface of the large wall and formed between the large wall and the small wall. The large walls are separated between the pixels in the long-side direction. The small wall which has a height lower than the large walls is arranged between the separated large walls.Type: ApplicationFiled: January 4, 2013Publication date: July 18, 2013Applicant: JAPAN DISPLAY EAST INC.Inventor: Japan Display East Inc.
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Patent number: 8488093Abstract: The present invention relates to an array substrate for a liquid crystal display (LCD) and a manufacturing method thereof. The array substrate comprises gate lines crossing data lines on a transparent substrate to define pixel areas; thin film transistors connected to a gate line and a data line; pixel electrodes overlapping the gate and data lines, the pixel electrodes being connected to one of the thin film transistors through a contact hole, and stretched over two adjacent pixel areas to form an electric field; and storage electrodes overlapping with the gate lines, connected to a pixel electrode through a contact hole, wherein the storage electrodes maintain an intensity of the electric field formed by the pixel electrodes at a level equal to or higher than a predetermined level.Type: GrantFiled: December 12, 2006Date of Patent: July 16, 2013Assignee: LG Display Co., Ltd.Inventor: Sang Hee Yu
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Publication number: 20130176523Abstract: In one aspect of the invention, a liquid crystal display device includes a pixel matrix having a plurality of pixels. Each pixel includes a first pixel electrode having a plurality of first pixel electrode stripes and a second pixel electrode having a plurality of second pixel electrode stripes. The first pixel electrode stripes and the second pixel electrode stripes are alternately placed to define a plurality of pitches therebetween. Each pixel is defined between two adjacent first pixel electrode and second pixel electrode stripes, and has a width. In one embodiment, the width of at least one of the pitches is different from that of the other pitches. In another embodiment, the width of each pitch is variable along the adjacent first pixel electrode and second pixel electrode stripes.Type: ApplicationFiled: January 10, 2012Publication date: July 11, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Kuan-Yu Chen, Tien-Lun Ting, Chien-Huang Liao
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Publication number: 20130176524Abstract: In one aspect of the invention, a liquid crystal display device includes a pixel matrix having a plurality of pixels. Each pixel includes a first pixel electrode having a plurality of first pixel electrode stripes and a second pixel electrode having a plurality of second pixel electrode stripes. The first pixel electrode stripes and the second pixel electrode stripes are alternately placed to define a plurality of pitches therebetween. Each pitch is defined between two adjacent first pixel electrode and second pixel electrode stripes, and has a width. In one embodiment, the width of at least one of the pitches is different from that of the other pitches. In another embodiment, the width of each pitch is variable along the adjacent first pixel electrode and second pixel electrode stripes.Type: ApplicationFiled: December 13, 2012Publication date: July 11, 2013Applicant: AU OPTRONICS CORPORATIONInventor: AU Optronics Corporation
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Publication number: 20130176522Abstract: The active device array substrate including a substrate, a plurality of scan lines, data lines, and pixel units is provided. The scan lines, data lines and pixel units are disposed on the substrate. Each pixel unit is electrically connected the corresponding scan line and data line, and each pixel unit includes an active device, a dielectric layer, and a pixel electrode. The dielectric layer covers the active device and has an opening. The pixel electrode is electrically connected to the active device through the opening of the dielectric layer. The pixel electrode has a slit separating the pixel electrode into a first sub pixel electrode and a second sub pixel electrode, wherein the first and second sub pixel electrodes are electrically connected by two connection portions disposed at two ends of the slit. The protrusions are disposed on each connection portion of the pixel electrode.Type: ApplicationFiled: January 4, 2013Publication date: July 11, 2013Applicants: WINTEK CORPORATION, Dongguan Masstop Liquid Crystal Display Co., Ltd.Inventors: Yi-Chun Wu, Wun-Yi Shie, Shuan-Sui Hung, Jun-Jie Huang
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Publication number: 20130169918Abstract: In one embodiment, a first substrate is provided with a pixel electrode including a contact portion, a pair of main pixel electrodes extending in a first direction from the contact portion, a sub-pixel electrode arranged between the contact portion and an end of the extending main pixel electrodes and extending in a second direction so as to connect the pair of main pixel electrodes. A second substrate is provided with a common electrode including first and second main common electrodes sandwiching the pair of the main pixel electrodes, a third main common electrode arranged substantially in the center between the pair of main pixel electrodes and extending in parallel with the first and second main common electrodes, and a sub-common electrode arranged between the contact portion and the sub-pixel electrode and connected with the first, second and third main common electrodes extending in the second direction.Type: ApplicationFiled: December 26, 2012Publication date: July 4, 2013Inventors: Masato Kesho, Hirokazu Morimoto, Kazuhiro Takahashi, Jin Hirosawa
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Patent number: 8471994Abstract: A liquid crystal display device including first and second substrates, with a liquid crystal layer sealed therebetween; and first and second electrodes formed, respectively, on the first and second substrates. A first molecule orientation film is formed on the first substrate so as to cover the first electrode and a second molecule orientation film formed on the second substrate so as to cover the second electrode. A polarizer with a light absorption axis P is provided outside of the first substrate, and an analyzer with a light absorption axis A is provided outside of the second substrate. The light absorption axis A crosses the light absorption axis P. A plurality of micro structures are associated with at least one of the first and second electrodes, wherein the micro structures are obliquely arranged with respect to the light absorption axis P and the light absorption axis A.Type: GrantFiled: March 18, 2011Date of Patent: June 25, 2013Assignee: Sharp Kabushiki KaishaInventors: Shingo Kataoka, Arihiro Takeda, Takahiro Sasaki, Tsutomu Seino, Yoshio Koike, Hidefumi Yoshida, Yuichi Inoue, Kazutaka Hanaoka, Seiji Tanuma, Takatoshi Mayama, Kimiaki Nakamura, Hideo Chida, Seiji Doi, Tetsuya Fujikawa, Takashi Takagi, Hiroyasu Inoue
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Publication number: 20130155366Abstract: In one embodiment, a first wiring line is pulled out from an active area, and a short ring circuit is provided in a peripheral portion of the active area. A first electrode is formed in the same layer as the first wiring line. A semiconductor layer is formed on the first electrode. A portion of a second electrode faces the first electrode through an insulating layer and arranged on the semiconductor layer. A third electrode is arranged on the semiconductor layer in the same layer as the second electrode. The first electrode includes a cutout portion arranged under an edge of the second electrode.Type: ApplicationFiled: December 6, 2012Publication date: June 20, 2013Inventor: Shin MORITA
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Patent number: 8467024Abstract: A liquid crystal display panel is capable of implementing high resolution without reducing an aperture ratio. A liquid crystal display panel includes: a substrate; a sustain electrode at a pixel region on the substrate; opaque wires positioned around the pixel region, having a lattice form extending in a first direction and a second direction crossing the first direction, and coupled with the sustain electrode; a gate wire and a data wire insulated from the gate wire with a second insulating layer interposed therebetween and extending in the second direction; a thin film transistor coupled with the gate wire and the data wire; and a pixel electrode coupled with the thin film transistor. The sustain electrode includes a transparent conductive material, and the opaque wires includes a conductive material having an electrical resistance lower than that of the transparent conductive material.Type: GrantFiled: June 29, 2011Date of Patent: June 18, 2013Assignee: Samsung Display Co., Ltd.Inventors: Won-Sang Park, Dong-Hun Lim, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim
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Publication number: 20130148071Abstract: The invention provides a vertical alignment liquid crystal display, including: a first substrate; a plurality of data lines formed on the first substrate; a plurality of gate lines formed on the first substrate, wherein the gate lines intersect the data lines to define a plurality of the pixel regions; a plurality of common electrodes formed on the first substrate, wherein the common electrodes are located on a border of the pixel regions and next to the gate lines; a second substrate oppositely disposed to the first substrate; and a liquid crystal layer formed between the first substrate and the second substrate, wherein the liquid crystal layer includes a plurality of optically active materials.Type: ApplicationFiled: December 10, 2012Publication date: June 13, 2013Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
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Publication number: 20130148070Abstract: A parallax barrier for a 3D image display includes a first substrate; and a second substrate opposite to the first substrate, a first gap control electrode disposed on the first substrate, a first passivation layer disposed on the first gap control electrode, a liquid crystal control electrode disposed on the first passivation layer, an opposing electrode disposed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate, where the liquid crystal control electrode includes a plurality of unit liquid crystal control electrodes, where two neighboring unit liquid crystal control electrodes are spaced apart with a gap, and where the first gap control electrode overlaps the gap between the unit liquid crystal control electrodes.Type: ApplicationFiled: May 30, 2012Publication date: June 13, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Ho KIM, Seong Nam LEE, Jung-Hun LEE, Seung Beom PARK, Duck Jong SUH
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Patent number: 8462305Abstract: The present invention relates to a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode facing the pixel electrode, and a liquid crystal layer formed between the pixel electrode and the common electrode and including a plurality of liquid crystal molecules. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.Type: GrantFiled: August 21, 2012Date of Patent: June 11, 2013Assignee: Samsung Display Co., Ltd.Inventors: Mee-Hye Jung, Ji-Won Sohn, Jae-Jin Lyu, Chong-Chul Chai
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Patent number: 8456600Abstract: An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate including a pixel region, the pixel region including a first domain at a lower side with respect to the gate line and a second domain at an upper side with respect to the gate line; a data line crossing the gate line; a thin film transistor in the pixel region and at a crossing portion of the gate and data lines; a plurality of first pixel electrodes in the first domain; a plurality of second pixel electrodes in the second domain, the plurality of first pixel electrodes and plurality of second pixel electrodes sharing the thin film transistor; a plurality of first common electrodes in the first domain and alternately arranged with the plurality of first pixel electrodes; and a plurality of second common electrodes in the second domain and alternately arranged with the plurality of second pixel electrodes.Type: GrantFiled: April 15, 2011Date of Patent: June 4, 2013Assignee: LG Display Co., Ltd.Inventor: Won-Ho Lee
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Publication number: 20130135572Abstract: A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels.Type: ApplicationFiled: August 23, 2012Publication date: May 30, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung-Ho PARK, Bo-Yeong KIM, Jae-Won KIM, Byoung-Sun NA, Hyung-Jun PARK, Dong-Hyun YOO, Kye-Uk LEE
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Patent number: RE44470Abstract: A first electrode 14 provided in a liquid crystal display device of a vertical alignment mode includes, for each picture element region, a lower conductive layer 11, a dielectric layer 12 covering the lower conductive layer 11, and an upper conductive layer 13 provided on one side of the dielectric layer 12 which is closer to a liquid crystal layer 30. The upper conductive layer 13 includes an upper layer opening 13a, and the lower conductive layer 11 includes a lower layer opening 11a, thus forming first, second and third regions (R1, R2, R3) having gradually decreasing electric field strengths. Liquid crystal molecules 30a of the liquid crystal layer 30 in an orientation-regulating region T1 in which the first, second and third regions are arranged in this order in a predetermined direction change the orientation direction thereof so that they are inclined in a single direction in the presence of an applied voltage.Type: GrantFiled: November 11, 2010Date of Patent: September 3, 2013Assignee: Sharp Kabushiki KaishaInventor: Fumikazu Shimoshikiryo