Transistor Patents (Class 349/42)
  • Publication number: 20150124188
    Abstract: A color conversion substrate and liquid crystal display device of the present invention simplify the manufacturing process thereof and reduce deviations in intensity distribution of emitted light. The color conversion substrate includes a transparent substrate having a first main surface, a phosphor layer having a plurality of phosphors arranged along the first main surface and a plurality of transparent first boundary parts formed so as to surround the respective phosphors, and a plurality of first reflective parts formed on the outer peripheral surface of the respective plurality of first boundary parts. The portions of the first boundary parts where the respective first reflective parts are formed are curved, and the curvature thereof is 0.50/d1 to 0.83/d1, where d1 is the thickness of the respective first boundary parts.
    Type: Application
    Filed: May 27, 2013
    Publication date: May 7, 2015
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Shinya Kadowaki, Ryuzo Yuki
  • Patent number: 9024850
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a pixel array having a plurality of pixels in a matrix on a substrate. First and second pixels are adjacent to each other along a first direction. The first and second pixels each include first and second switching elements. A first common gate line extends in a second direction different from the first direction and is commonly connected to the first and second switching elements. First and second data lines extend in the first direction and are connected to the first and second switching elements, respectively.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bong-Jun Lee, Jong-Hwan Lee
  • Publication number: 20150116617
    Abstract: A liquid crystal display device includes a TFT substrate having a first alignment film and an opposing substrate having a second alignment film with liquid crystals sandwiched therebetween. One of the first and second alignment films, comprises a first polyimide produced via polyamide acid ester containing cyclobutane as a precursor and a second polyimide produced via polyamide acid as a precursor. The polyamide acid has a higher polarity than that of the polyamide acid ester. The one of the first and second alignment films is responsive to photo-alignment. A first side of the one of the first and second alignment films is adjacent to the liquid crystals, and a second side thereof is closer to one of the TFT substrate and the counter substrate than the first side. The first side contains more of the first polyimide and less of the second polyimide than the second side.
    Type: Application
    Filed: January 9, 2015
    Publication date: April 30, 2015
    Inventors: Noboru Kunimatsu, Chikae Matsui, Hidehiro Sonoda, Yuko Matsumoto, Shoichi Uchino, Masaki Matsumori, Yosushi Tomioka
  • Publication number: 20150116616
    Abstract: In the first substrate of a liquid crystal display device, a plurality of gate lines that extend along the row direction, a plurality of data lines that extend along the column direction, a plurality of pixel electrodes and a plurality of thin film transistors that are placed respectively in association with a plurality of pixels that are formed in the row direction and the column direction, and an alignment film, are formed, and the thickness of the alignment film in an edge-part area, which is an area of a predetermined width from an edge part of an image display area that is formed with the plurality of pixels, is thinner than the thickness of the alignment film in the center part of the image display area.
    Type: Application
    Filed: March 4, 2014
    Publication date: April 30, 2015
    Applicant: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Michinori HISAKABE, Hiroshi TSUTSUMI, Hayami TABIRA
  • Publication number: 20150109547
    Abstract: Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.
    Type: Application
    Filed: October 20, 2014
    Publication date: April 23, 2015
    Inventors: Kyeong-Jin KIM, Jung-Im HWANG, Ji-Na JEON, Kyung-Su HA, Min-Geun CHOI
  • Publication number: 20150102335
    Abstract: A method of fabricating metal oxide TFTs on transparent substrates includes the steps of positioning an opaque gate metal area on the front surface of the substrate, depositing transparent gate dielectric and transparent metal oxide semiconductor layers overlying the gate metal and a surrounding area, depositing transparent passivation material on the semiconductor material, depositing photoresist on the passivation material, exposing and developing the photoresist to remove exposed portions, etching the passivation material to leave a passivation area defining a channel area, depositing transparent conductive material over the passivation area, depositing photoresist over the conductive material, exposing and developing the photoresist to remove unexposed portions, and etching the conductive material to leave source and drain areas on opposed sides of the channel area.
    Type: Application
    Filed: February 6, 2012
    Publication date: April 16, 2015
    Inventors: Chan-Long Shieh, Gang Yu
  • Patent number: 9007542
    Abstract: A vertically aligned thin-film transistor array substrate in which there is no reduction in aperture ratio includes an etching-stop layer formed on an insulating layer; a passivation layer formed on the insulating layer that includes the etching-stop layer; a depression formed in the passivation layer and hollowing the passivation layer to the surface of the etching-stop layer; and a pixel electrode, which is recessed in conformity with the depression, formed on the passivation layer that includes the depression; wherein the etching-stop layer comprises a transparent semiconductor.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: April 14, 2015
    Assignee: NLT Technologies, Ltd.
    Inventors: Hirotaka Yamaguchi, Kenichi Takatori
  • Publication number: 20150098039
    Abstract: Discussed are a transparent display device and a manufacturing method thereof, which may reduce diffraction grating. The transparent display device includes gate lines and data lines formed on a substrate and crossing each other with a gate insulator film interposed therebetween to define pixel areas, common lines formed on the substrate and being parallel to the gate lines, thin film transistors formed in the respective pixel areas, pixel electrodes connected to the thin film transistors, and common electrodes connected to the common lines and alternating with the pixel electrodes. In the transparent display device, blocks between the pixel electrodes and the common electrodes are reduced or increased in width by an equal difference with increasing distance from both edges of each pixel area proximate to the data lines or by an equal difference with decreasing distance to the center of the pixel area.
    Type: Application
    Filed: May 30, 2014
    Publication date: April 9, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Ju-Un PARK, Won-Ho LEE, Tae-Han KIM
  • Publication number: 20150092129
    Abstract: A display device includes: a pixel section provided between a pair of substrates and including plural pixels; one or plural active components disposed in a frame region around the pixel section on one substrate of the pair of substrates; an insulating film provided in the frame region on the one substrate to cover the one or plural active components; and a sealing layer provided to seal the pixel section and cover an end edge portion of the insulating film in the frame region.
    Type: Application
    Filed: December 10, 2014
    Publication date: April 2, 2015
    Inventors: Jun Yamaguchi, Morikazu Nomura, Takashi Fujimura
  • Patent number: 8994887
    Abstract: In an active matrix type liquid crystal display device, in which functional circuits such as a shift register circuit and a buffer circuit are incorporated on the same substrate, an optimal TFT structure is provided along with the aperture ratio of a pixel matrix circuit is increased. There is a structure in which an n-channel TFT, with a third impurity region which overlaps a gate electrode, is formed in a buffer circuit, etc., and an n-channel TFT, in which a fourth impurity region which does not overlap the gate electrode, is formed in a pixel matrix circuit. A storage capacitor formed in the pixel matrix circuit is formed by a light shielding film, a dielectric film formed on the light shielding film, and a pixel electrode. Al is especially used in the light shielding film, and the dielectric film is formed anodic oxidation process, using an Al oxide film.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: March 31, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Satoshi Murakami, Jun Koyama, Yukio Tanaka, Hidehito Kitakado
  • Patent number: 8994889
    Abstract: An object is to provide a display device with excellent display characteristics, where a pixel circuit and a driver circuit provided over one substrate are formed using transistors which have different structures corresponding to characteristics of the respective circuits. The driver circuit portion includes a driver circuit transistor in which a gate electrode layer, a source electrode layer, and a drain electrode layer are formed using a metal film, and a channel layer is formed using an oxide semiconductor. The pixel portion includes a pixel transistor in which a gate electrode layer, a source electrode layer, and a drain electrode layer are formed using an oxide conductor, and a semiconductor layer is formed using an oxide semiconductor. The pixel transistor is formed using a light-transmitting material, and thus, a display device with higher aperture ratio can be manufactured.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: March 31, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Junichiro Sakata, Masashi Tsubuku, Kengo Akimoto, Miyuki Hosoba, Masayuki Sakakura, Yoshiaki Oikawa
  • Publication number: 20150085217
    Abstract: The purpose of the present invention is to provide a retardation film which includes cellulose acetate having a low degree of acyl substitution and, despite this, swells very little when immersed in a saponifying solution and which has satisfactory adhesion to polarizing elements. This retardation film comprises: a cellulose ester which has a total degree of substitution with acyl groups of 2.0-2.55 and in which when log [Mw(a)] obtained through analyses by gel permeation chromatography (GPC), low angle laser light scattering (LALLS), and viscosity measurement, is plotted as abscissa and log [Iv(a)], obtained through the analyses is plotted as ordinate, the plot has a slope of 0.65-0.85; and a glass-transition-temperature lowering agent having an SP value of 9.0-11.0. The retardation film contains a solvent remaining therein in an amount of 700-3,000 mass ppm and has a change in weight through storage at 80° C. and 90% RH of ?0.5 to 0.5%.
    Type: Application
    Filed: May 1, 2012
    Publication date: March 26, 2015
    Inventors: Takashi Nanjo, Masumi Nishimura, Kazuki Akasaka, Takahiro Takagi, Takashi Murakami
  • Publication number: 20150085218
    Abstract: The present invention provides a high-definition, high-contrast, and high-aperture-ratio liquid crystal display device that prevents light leakage near wall electrodes. There is provided a liquid crystal display device including: two parallel wall electrodes that are disposed on the both sides of a pixel; an opposite electrode that is disposed in the middle between the two parallel wall electrodes; and a photo-alignment film, wherein the initial alignment direction of liquid crystal of the photo-alignment film is substantially parallel to or orthogonal to the stretching direction of the two parallel wall electrodes, and the opposite electrode is inclined only by a predetermined bias angle relative to the initial alignment direction of liquid crystal.
    Type: Application
    Filed: September 19, 2014
    Publication date: March 26, 2015
    Inventors: Yasushi TOMIOKA, Takato HIRATSUKA, Osamu ITOU
  • Publication number: 20150085216
    Abstract: Embodiments of the disclosure provide an array substrate and a fabrication method thereof, and a display panel and a fabrication method thereof. A passivation layer of the array substrate is made of a black insulation material and the passivation layer is provided with an opening at a pixel display region of the array substrate. The passivation layer is simultaneously used as a black matrix, and thus the aperture ratio of the display panel is effectively increased.
    Type: Application
    Filed: April 26, 2013
    Publication date: March 26, 2015
    Inventors: Jingjing Jiang, Gyuhyun Lee, Min Li, Song Wang
  • Patent number: 8988622
    Abstract: An OLED display includes an organic layer formed using a printing method. A method for manufacturing the OLED display includes: forming a pixel circuit on a substrate; forming a planarization layer on the substrate to cover the pixel circuit, where the planarization layer includes heat generation particles; forming a pixel electrode and a pixel defining layer on the planarization layer; forming an organic layer by discharging ink on the pixel electrode and drying the ink by generating heat from the heat generation particles through microwave irradiation; and forming a common electrode on the organic layer.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: March 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Kenji Takii
  • Publication number: 20150077673
    Abstract: A liquid crystal display panel includes a substrate, a thin film transistor array, a circuit, and a dummy circuit. One surface of the substrate is divided into a display region and a wiring region. The thin film transistor array is formed on the display region. The circuit and the dummy circuit are formed on the wiring region, the dummy circuit is adjacent to the circuit, and the circuit and the dummy circuit protrude from the substrate.
    Type: Application
    Filed: August 7, 2014
    Publication date: March 19, 2015
    Inventors: CHARLES CHIEN, SHANG-YU HUANG, TSAU-HUA HSIEH, HUNG-SHENG CHO
  • Publication number: 20150077672
    Abstract: Disclosed is a liquid crystal display including: a first substrate; a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a pixel electrode connected to the thin film transistor and including a first subpixel electrode and a second subpixel electrode; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, and including liquid crystal molecules therein. The first and second subpixel electrodes include a cross-shaped stem portion including horizontal and vertical stem portions, and a plurality of micro-branch portions extending from the cross-shaped stem portion, a thickness of the liquid crystal layer being 2.4 ?m to 3.2 ?m, the dielectric anisotropy of the liquid crystal molecule being ?3.0 to ?2.0, and a pitch of the micro-branch portion being 4 ?m to 6 ?m.
    Type: Application
    Filed: April 23, 2014
    Publication date: March 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Soon Joon RHO, Kyung Min KIM, Jin-Lak KIM, Hye Lim JANG, Keun Chan OH
  • Publication number: 20150077674
    Abstract: A liquid crystal display panel includes a substrate, a thin film transistor array, a circuit, and a dummy circuit. One surface of the substrate is divided into a display region and a wiring region. The thin film transistor array is formed on the display region. The circuit and the dummy circuit are formed on the wiring region, the dummy circuit is adjacent to the circuit, and the circuit and the dummy circuit protrude from the substrate.
    Type: Application
    Filed: November 13, 2014
    Publication date: March 19, 2015
    Inventors: CHARLES CHIEN, SHANG-YU HUANG, TSAU-HUA HSIEH, HUNG-SHENG CHO
  • Publication number: 20150077671
    Abstract: The present invention discloses an array substrate, which includes a thin-film transistor, a data line, a gate line, and a pixel electrode. The array substrate further includes a common electrode. The common electrode has a first region, a second region, and at least one opening. The first region is defined on the common electrode, and the first region is a projection of the pixel electrode on a plane where the common electrode is located. The second region is defined on the common electrode, and the second region is close to at least one edge of the first region. The at least one opening is defined on the second region of the common electrode.
    Type: Application
    Filed: June 7, 2012
    Publication date: March 19, 2015
    Applicant: Shenzhen China Star Optoelectronics Tehcnology Co. Ltd.
    Inventors: Pei Jia, Liuyang Yang
  • Publication number: 20150077680
    Abstract: A method of manufacturing a display substrate includes forming a plurality of gate lines, a plurality of data lines and a plurality of transistors on a base substrate, forming an insulating layer on the base substrate on which the transistors are formed and forming a first pixel electrode on the insulating layer in a first area of a pixel area. The pixel area is divided into the first area and a second area.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 19, 2015
    Inventors: BYEONG-HEE WON, JOON-HAK OH
  • Publication number: 20150077676
    Abstract: An object of the invention is to provide a circuit technique which enables reduction in power consumption and high definition of a display device. A switch controlled by a start signal is provided to a gate electrode of a transistor, which is connected to a gate electrode of a bootstrap transistor. When the start signal is input, a potential is supplied to the gate electrode of the transistor through the switch, and the transistor is turned off. The transistor is turned off, so that leakage of a charge from the gate electrode of the bootstrap transistor can be prevented. Accordingly, time for storing a charge in the gate electrode of the bootstrap transistor can be shortened, and high-speed operation can be performed.
    Type: Application
    Filed: November 26, 2014
    Publication date: March 19, 2015
    Inventors: Atsushi Umezaki, Hiroyuki Miyake
  • Publication number: 20150077675
    Abstract: A liquid crystal display panel includes a substrate, a thin film transistor array, a circuit, and a dummy circuit. One surface of the substrate is divided into a display region and a wiring region. The thin film transistor array is formed on the display region. The circuit and the dummy circuit are formed on the wiring region, the dummy circuit is adjacent to the circuit, and the circuit and the dummy circuit protrude from the substrate.
    Type: Application
    Filed: November 13, 2014
    Publication date: March 19, 2015
    Inventors: CHARLES CHIEN, SHANG-YU HUANG, TSAU-HUA HSIEH, HUNG-SHENG CHO
  • Patent number: 8981595
    Abstract: In one embodiment a power supply is configured to reuse a single power supply controller to regulate two different output voltages to two voltages including two different voltage values.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: March 17, 2015
    Assignee: Semiconductor Components Industries, LLC
    Inventor: Michael Bairanzade
  • Publication number: 20150070610
    Abstract: Discussed are a liquid crystal display device and a method of fabricating the same in which a single common line is formed at the center of a substrate, which results in an enhanced aperture ratio and transmittance. The liquid crystal display device includes a single common line located at a center of a substrate; a first group of unit pixels located in a right portion of the substrate on the basis of the common line and a second group of unit pixels located in a left portion of the substrate on the basis of the common line, each unit pixel defined by a plurality of gate lines and data lines orthogonally intersecting each other; and a plurality of thin film transistors formed at a right side of the respective unit pixels of the first group and at a left side of the respective unit pixels of the second group.
    Type: Application
    Filed: November 12, 2014
    Publication date: March 12, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Hyuck CHOI
  • Publication number: 20150070611
    Abstract: Pixels of a liquid crystal display device have a polygonal shape long in the longitudinal direction. The pixel is divided into two by a center line, and is line-symmetric with respect to the center line. Pixel electrodes are divided line-symmetrically with respect to the center line. Streaks are formed on the surfaces of the pixel electrodes. Common electrodes are divided line-symmetrically with respect to the center line. Positions of the common electrodes in the lateral direction shift from the pixel electrodes in directions apart from the center line. A film gives a pretilt angle to liquid crystal molecules to tilt the lengthwise direction of the liquid crystal molecules from the vertical direction in the directions in which the common electrodes shift from the pixel electrodes.
    Type: Application
    Filed: November 14, 2014
    Publication date: March 12, 2015
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Yasuhiro SHIMA, Hisashi Nakada, Kenzo Fukuyoshi
  • Patent number: 8969875
    Abstract: The present invention relates to a thin film transistor substrate and method for fabricating the same which can secure an alignment margin and reduce the number of mask steps. A thin transistor substrate according to the present invention includes a gate line and a data line crossing each other to define a pixel, a gate metal pattern under the data line, a thin film transistor having a gate electrode, a source electrode and a drain electrode in the pixel, and a pixel electrode connected to the drain electrode of the thin film transistor by a connection electrode, wherein the data line has a plurality of first slits to disconnect the gate metal pattern from the gate line.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: March 3, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: Seung Hee Nam
  • Patent number: 8970553
    Abstract: Example embodiments are directed to light sensing circuits having a relatively simpler structure by using light-sensitive oxide semiconductor transistors as light sensing devices, and remote optical touch panels and image acquisition apparatuses, each including the light sensing circuits. The light sensing circuit includes a light-sensitive oxide semiconductor transistor in each pixel, wherein the light-sensitive oxide semiconductor transistor is configured as a light sensing device, and a driving circuit that outputs data. The light sensing circuit may have a relatively simple circuit structure including a plurality of transistors in one pixel. As a result, the structure and operation of the light sensing circuit may be simplified.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-ho Park, I-hun Song, Chang-jung Kim, Sang-hun Jeon, Seung-eon Ahn
  • Publication number: 20150055045
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. The first substrate includes a first source line and a second source line extending in a first direction, a main pixel electrode arranged between the first source line and a second source line and extending in the first direction, and a pair of first main common electrodes arranged on the first source line and the second source line interposing an insulating layer and extending in the first direction, respectively. The second substrate includes a pair of second main common electrode arranged above the first main common electrode and extending in the first direction, and the first main common electrode is connected with the second main common electrode. A liquid crystal layer is held between the first substrate and the second substrate.
    Type: Application
    Filed: October 8, 2014
    Publication date: February 26, 2015
    Applicant: JAPAN DISPLAY INC.
    Inventors: Koji YAMAMOTO, Jin Hirosawa
  • Publication number: 20150055042
    Abstract: A display apparatus includes a first substrate and a color filter layer. The first substrate has a curved first side and a display area. The first side has at least a curvature radius and the range of the curvature radius is between 500 mm and 10000 mm. At least a datum line is defined in the display area. The color filter layer is disposed on the first substrate and includes a plurality of filter portions. The filter portions are disposed within the display area. An included angle between the datum line and the first side is between 0° and 10°, and the filter portions located corresponding to the datum line have the same color.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 26, 2015
    Inventors: Chao-Chun CHUNG, Chih-Yung HSIEH
  • Publication number: 20150055044
    Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
    Type: Application
    Filed: September 30, 2014
    Publication date: February 26, 2015
    Inventors: Tohru SASAKI, Takahiro OCHIAI
  • Publication number: 20150055040
    Abstract: The present invention relates to a liquid crystal display that can improve an aperture ratio and liquid crystal control ability. A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and a second substrate which face each other; a pixel electrode disposed on the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, in which the common electrode has a first cutout having a cross shape, and the pixel electrode includes a first subpixel electrode having a rhombus shape, a second subpixel electrode surrounding the first subpixel electrode, a second cutout disposed close to and along at least one of the edges of the second subpixel electrode, and a third cutout spacing the first subpixel electrode and the second subpixel electrode.
    Type: Application
    Filed: April 21, 2014
    Publication date: February 26, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Oh Jeong KWON, Hyeok Jin Lee, Dong-Chul Shin, Jae Hong Park, Sung-Jae Yun, Ki Chul Shin, Seung Wook Nam
  • Publication number: 20150055043
    Abstract: In an IPS mode liquid crystal display device, a counter electrode is formed flat on a first insulating film. A second insulating film is formed in the peripheral portion of the counter electrode. A third insulating film is formed so as to cover the counter electrode and the second insulating film. A pixel electrode is formed on the third insulating film. The second and third insulating films are present between the pixel electrode and the counter electrode in the periphery of the pixel. The third insulating film is present between the pixel electrode and the counter electrode in the portion other than the peripheral portion of the pixel. An electric field between the pixel electrode and the counter electrode is smaller in the periphery of the pixel than in the vicinity of the center of the pixel, to prevent the occurrence of a domain in the periphery of the pixel.
    Type: Application
    Filed: August 13, 2014
    Publication date: February 26, 2015
    Inventors: Takeshi SAKAI, Toshimasa ISHIGAKI, Yasushi TOMIOKA
  • Publication number: 20150055046
    Abstract: A liquid crystal display device includes a plurality of pixels, each including a thin-film transistor and a pixel electrode formed above a substrate, and an organic insulation film formed between one electrode of the thin-film transistor and the pixel electrode. The one electrode and the pixel electrode are connected through a contact hole formed in the organic insulation film, and a sidewall of the contact hole, which is made of the organic insulation film, is tapered. An underlying layer beneath the organic insulation film, in contact with to the organic insulation film, includes a lowermost plane extending substantially in parallel to a plane of the substrate and an uppermost plane extending substantially in parallel to the plane of the substrate. A single step of the underlying layer is formed so as to extend between the lowermost plane and the uppermost plane.
    Type: Application
    Filed: November 5, 2014
    Publication date: February 26, 2015
    Inventors: Jun Fujiyoshi, Yasukazu Kimura, Hideo Tanabe, Masataka Okamoto, Hidekazu Miyake
  • Publication number: 20150055041
    Abstract: A display panel and an encapsulation method thereof, and a liquid crystal display device are provided. The display panel comprises an array substrate and a color filter substrate, the array substrate and the color filter substrate are connected together via a sealant component, the array substrate comprises a display region and a peripheral region surrounding the display region, the sealant component comprises insulating sealant and conductive sealant and is disposed in the peripheral region of the array substrate, a gate electrode driving GOA circuit is disposed in the peripheral region of the array substrate, and the gate electrode driving GOA circuit and the conductive sealant are not located on the same side of the peripheral region of the display region.
    Type: Application
    Filed: December 10, 2013
    Publication date: February 26, 2015
    Inventors: Qinghua Jiang, Feng Qin, Xiaohe Li, Yong Liu, Xianjie Shao
  • Patent number: 8964141
    Abstract: A thin film transistor, a manufacturing method thereof, and a display device having the same are disclosed. The thin film transistor includes a semiconductor layer formed on a substrate, a gate insulating layer formed on the substrate including the semiconductor layer, a gate electrode formed on the gate insulating above the semiconductor layer, source and drain electrodes connected to the semiconductor layer, and 3.5 to 4.5 protrusions formed on the semiconductor layer overlapped with the gate electrode. Malfunction of the thin film transistor and inferior image quality of the display device can be prevented by adjusting the number of protrusions to minimize leakage current and defects.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: February 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-In Ro, Ji-Yong Park, Kyung-Min Park, Jin-Suk Park, Seong-Yeun Kang
  • Publication number: 20150049276
    Abstract: A thin film transistor array panel includes: gate lines; data lines insulated from and crossing the gate lines; and shorting bars disposed outside of a display area in which the gate lines cross the data lines. The shorting bars overlap portions of the data lines disposed outside of the display area. The shorting bar includes a semiconductor material.
    Type: Application
    Filed: May 14, 2014
    Publication date: February 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Tae-Young CHOI, Bo Sung KIM, Jae Woo PARK, Hee Jun BYEON, Young-Wook LEE, Moon-Keun CHOI
  • Publication number: 20150049275
    Abstract: An electronic device may have a housing with a lid that rotates relative to a base. A display in the lid may have a thin-film transistor layer. Display driver circuitry may be mounted to the thin-film transistor layer. A display timing controller integrated circuit may be mounted in the base. A rigid flex printed circuit may have a rigid portion in the base to which the display timing controller integrated circuit is mounted and may have a rigid portion in the lid. A flexible printed circuit portion of the rigid flex printed circuit may be used to couple the rigid printed circuit portion in the lid to the thin-film transistor layer. A flexible printed circuit portion of the rigid flex printed circuit that extends between the lid and the base may be formed from a double-shield-layer single-signal-line-layer flexible printed circuit.
    Type: Application
    Filed: August 15, 2013
    Publication date: February 19, 2015
    Applicant: Apple Inc.
    Inventors: Bryan W. Posner, Dinesh C. Mathew, Eric L. Benson, Jason N. Gomez, Jun Qi, Robert Y. Cao, Victor H. Yin, Christiaan A. Ligtenberg, Wey-Jiun Lin
  • Publication number: 20150042913
    Abstract: A flexible display includes a flexible base substrate, a thin film transistors layer formed on the flexible base substrate, and a light emitting elements layer formed on the thin film transistors layer, where the flexible base substrate includes a first support layer formed below the thin film transistors layer, a second support layer disposed below the first support layer, and a heat-energy blocking/reflecting layer provided between the first support layer and the second support layer. The heat-energy blocking/reflecting layer is configured to block or reflect a sufficient portion of radiated heat-energy that is generated when the flexible base substrate is separated from a supporting carrier substrate so as to prevent the damage from the radiated heat-energy to the light emitting elements layer.
    Type: Application
    Filed: June 2, 2014
    Publication date: February 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Suk-Beom YOU, Dae-Yong KIM, Joo-Hwa LEE
  • Publication number: 20150036070
    Abstract: The present invention provides a liquid crystal display panel that, when subjected to laser repair for repairing defects, can avoid degradation of members other than the target of the laser repair.
    Type: Application
    Filed: February 15, 2013
    Publication date: February 5, 2015
    Inventors: Hijiri Nakahara, Mitsunori Harada, Masakatsu Tominaga
  • Patent number: 8947406
    Abstract: A display method suitable for an image provided by a digital data file and/or a display method of a display device in which the image quality and power consumption are adjusted in accordance with the state of the display device or at user's request to display an image. The image is displayed on the display device in which a plurality of pixels having a pixel electrode connected to a switching element whose off-state current is reduced, using the image provided by the digital data file and data which is provided by the digital data file and is correlated to an operation of the display device.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: February 3, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kenichi Wakimoto, Masahiko Hayakawa
  • Patent number: 8946731
    Abstract: Spalling is employed to generate a single crystalline semiconductor layer. Complementary metal oxide semiconductor (CMOS) logic and memory devices are formed on a single crystalline semiconductor substrate prior to spalling. Organic light emitting diode (OLED) driving circuitry, solar cells, sensors, batteries and the like can be formed prior to, or after, spalling. The spalled single crystalline semiconductor layer can be transferred to a substrate. OLED displays can be formed into the spalled single crystalline semiconductor layer to achieve a structure including an OLED display with semiconductor driving circuitry and other functions integrated on the single crystalline semiconductor layer.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: February 3, 2015
    Assignee: International Business Machines Corporation
    Inventors: Ning Li, Devendra K. Sadana
  • Publication number: 20150029427
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. The first substrate includes a first gate line and a second gate line respectively extending in a first direction. A main pixel electrode is arranged between the first gate line and the second gate line and extending in a second direction orthogonally crossing the first direction. A pair of sub-common electrodes respectively faces the first gate line and the second gate line through an insulating layer and extends in the first direction. The second substrate includes a main common electrode electrically connected with the sub-common electrode and arranged on both sides sandwiching the main pixel electrode. A liquid crystal layer is held between the first substrate and the second substrate.
    Type: Application
    Filed: October 13, 2014
    Publication date: January 29, 2015
    Applicant: JAPAN DISPLAY INC.
    Inventors: Hirofumi FUNAKOSHI, Jin HIROSAWA
  • Publication number: 20150029428
    Abstract: Embodiments of the present invention provide a color filter substrate, a liquid crystal display panel including the color filter substrate, and a manufacturing process of the color filter substrate. The color filter substrate provided in the present invention includes: a substrate, including a display area and a non-display area on the periphery of the display area; and a black matrix, disposed on the substrate, wherein the black matrix in the display area on the substrate defines sub-pixels area, and the black matrix corresponding to the non-display area on the substrate includes a non-flat surface.
    Type: Application
    Filed: May 28, 2014
    Publication date: January 29, 2015
    Applicants: Wuhan Tianma Micro-Electronics Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Nahong WANG, Chao Dai
  • Publication number: 20150022749
    Abstract: An array substrate and a display panel are disclosed. The array substrate includes at least one data line, at least one scanning line, and a pixel cell defined by the data line and the scanning line. The pixel cell includes an ITO thin film and at least one metallic layer below the ITO thin film. The ITO thin film electrically connects to the metallic layer via a through hole. The ITO thin film includes a slit arranged between the ITO thin film and the through hole, and the slit is arranged to avoid the disclination lines so as to improve the display performance.
    Type: Application
    Filed: July 24, 2013
    Publication date: January 22, 2015
    Inventors: Jiali Jiang, Ming-hung Shih, Peng Du
  • Publication number: 20150015820
    Abstract: An array substrate has a plurality of gate signal lines, a plurality of source signal lines orthogonal to the plurality of gate signal lines, a plurality of gate-driver mounting terminals, a plurality of source-driver mounting terminals, a plurality of gate-side array inspection terminals connected to the gate signal lines, a plurality of source-side array inspection terminals connected to the source signal lines, a plurality of gate lead wire disconnection inspection circuits connected between the plurality of gate-driver mounting terminals and a common terminal for a gate lead wire disconnection inspection, and a plurality of source lead wire disconnection inspection circuits connected between the plurality of source-driver mounting terminals and a common terminal for a source lead wire disconnection inspection.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 15, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yuichi MASUTANI, Katsuaki MURAKAMI
  • Publication number: 20150009440
    Abstract: A display device includes a light source generating light and a thin film transistor array panel including a pixel electrode and a common electrode. The display includes an upper panel and a quantum rod layer positioned between the thin film transistor array panel and the upper panel. The display includes an upper polarizer attached outside of the upper panel, in which the quantum rod layer includes quantum rods, and an arrangement direction of the quantum rods is controlled by an electric field generated by the pixel electrode and the common electrode, light is polarized according to the controlled arrangement direction, and the polarizer controls the transmission degree of the polarized light from the quantum rods according to the arrangement direction of the quantum rods.
    Type: Application
    Filed: June 13, 2014
    Publication date: January 8, 2015
    Inventors: Baek Hee LEE, Jong Hyuk KANG, Jae Byung PARK, Hyun Min CHO, Sung-Jin HONG
  • Publication number: 20150009438
    Abstract: A fanout line structure of an array substrate includes first fanout lines arranged on a fanout area of the array substrate, and second fanout lines arranged on the fanout area of the array substrate. A second conducting film is arranged at a bottom of the second fanout line, a second capacitor is formed between the second conducting film and a first conducting film of the second fanout line, the second capacitor is used to reduce an impedance difference between the fanout lines. Capacitance value of the second capacitor is dependent on an overlapping area between the second conducting film and the first conducting film.
    Type: Application
    Filed: July 31, 2013
    Publication date: January 8, 2015
    Applicant: SHENZHEN CHINA STAR OF OPTOELECTRONICS TECHNOLOGY CO., LTDY
    Inventors: Peng Du, Ming hung Shih, Jiali Jiang
  • Publication number: 20150009439
    Abstract: A first substrate includes a gate line extending in a first direction and a source line extending in a second direction. A first sub-common electrode is formed on the gate line. A first main-common electrode is formed along the source line so as to be connected with the first sub-common electrode. A second main-common electrode is formed extending in the second direction and facing the source line. The second main-common electrode is set to the same potential as the first main-common electrode. A second substrate includes a third main-common electrode extending in the second direction so as to face the second main-common electrode. The third main-common electrode is set to the same potential as the second main-common electrode. A second sub-common electrode is connected with the third main common electrode. The second sub-common electrode is formed so as to face the first sub-common electrode on the gate line.
    Type: Application
    Filed: April 25, 2014
    Publication date: January 8, 2015
    Applicant: Japan Display Inc.
    Inventors: Yusuke MORITA, Jin HIROSAWA
  • Patent number: 8928850
    Abstract: A liquid crystal display device and a liquid crystal display panel based on three-dimensional transistor thereof are provided. The liquid crystal display panel includes an array substrate, a printed circuit board, a first chip on film with an integrated circuit, and At least one connector connected between the array substrate and the printed circuit board. The first chip on film is attached between the array substrate and the printed circuit board. The array substrate and the printed circuit board can be supported by the connectors effectively. The connectors share gravity of the printed circuit board with the first chip on film attached between the array substrate and the printed circuit board. Therefore, the present disclosure can avoid damage to lines of the first chip on film and improve the yield rate of the quality of the liquid crystal display panel based on three-dimensional transistor.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: January 6, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Quan Li
  • Patent number: 8928830
    Abstract: In a liquid crystal display which includes a liquid crystal layer between a TFT substrate and a counter substrate, a gate electrode, a gate insulator and a semiconductor layer are laminated. A pixel electrode is formed on the gate insulator and metal source and drain electrodes are formed on the semiconductor layer and gate insulator. At least upper surfaces of the source and drain electrode contain Mo. The source is directly laminated on a portion of the pixel electrode, which portion is disposed on the gate insulating film.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: January 6, 2015
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Kenji Anjo, Tomohiko Ootani