Split Pixels Patents (Class 349/144)
  • Patent number: 8228456
    Abstract: A liquid crystal display includes; a first substrate, a gate line disposed on the first substrate, a first data line disposed substantially perpendicularly to the gate line on the first substrate, and which insulates and the gate line, a first thin film transistor connected to the gate line and the first data line, a first pixel electrode connected to the first thin film transistor, a liquid crystal capacitor including the first pixel electrode and a second pixel electrode as two terminals thereof, and a liquid crystal layer disposed between the first pixel electrode and the second pixel electrode, and a short transistor having a control terminal connected to a previous gate line, and which is controlled to short the first pixel electrode to a voltage approaching a voltage of the second pixel electrode.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
  • Patent number: 8223290
    Abstract: A liquid crystal display includes a substrate, a plurality of a gate line and a plurality of a data line disposed on the substrate, a plurality of a thin film transistor each connected to a gate line and a data line, a plurality of a pixel electrode each connected to a thin film transistor, a common electrode facing the pixel electrodes, and a liquid crystal layer between the pixel electrodes and the common electrode. Each of the pixel electrodes includes a first longitudinal edge adjacent to a first data line and a second longitudinal edge adjacent to a second data line adjacent to the first data line. A first distance between an edge of the first longitudinal edge and the first data line is larger than a second distance between the second longitudinal edge and an edge of the second data line.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: July 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Young Lee, Seung-Soo Baek, Yun-Jung Cho, Young-Goo Song
  • Patent number: 8223306
    Abstract: A display device includes a plurality of pixel regions each of which is surrounded by a pair of gate signal lines and a pair of the drain signal lines. Each of the pixel regions includes a first electrode and a second electrode formed on one substrate and each of the pixel regions is constituted of a first region and a second region which are arranged in a direction in which the pair of the drain signal lines extend. In the pixel region, the first electrode is formed in a planar shape and below an insulation film, and the second electrode has a plurality of linear parts which extend linearly and are arranged with respect to each other and is formed above the insulation film.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: July 17, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yoshiaki Nakayoshi, Kazuhiko Yanagawa, Takahiro Ochiai, Hirotaka Imayama
  • Patent number: 8223302
    Abstract: A display panel includes a first substrate, a second substrate, signal lines, sub-pixels, and at least one thickness adjusting layer. The second substrate is disposed above the first substrate and has a transparent electrode layer thereon. The signal lines are disposed on the first substrate. The sub-pixels are arranged between the first and second substrates. The sub-pixels are electrically connected with the signal lines, and parts of them have at least one transparent area and at least one reflective area. The transparent area has a transparent electrode therein, and the reflective area has a reflective electrode therein, respectively. The thickness adjusting layer is disposed above the reflective electrode and located at the reflective area of the part of the sub-pixels.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: July 17, 2012
    Assignee: Au Optronics Corporation
    Inventors: Yu-Ping Kuo, Shih-Chyuan Fan Jiang, Chih-Jen Hu
  • Patent number: 8212950
    Abstract: A liquid crystal display panel includes a first and second substrates which are opposite, and further includes scanning lines, data lines, pixel electrodes and switches, intersection of two adjacent scanning lines and data lines forming a pixel region. The pixel electrodes are disposed in pixel regions. Each pixel electrode crosses one data line and includes a first and second sub-pixel electrodes which are electrically connected to each other; the first and second sub-pixel electrodes are arranged on two sides of the data line; there is a gap between the first and second sub-pixel electrodes, and the data line is configured in the gap. A problem that conventional liquid crystal display panel has a complex manufacture process, leaks light at a dark state and has a low penetrability can be solved, thereby improving yield of the products.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: July 3, 2012
    Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.
    Inventors: Yanbing Qiao, Te-Chen Chung, Liufei Zhou
  • Patent number: 8208098
    Abstract: A liquid crystal display device includes: a liquid crystal panel including red, green, and blue subpixels and a viewing angle control subpixel, wherein the viewing angle control subpixel includes a lower transparent electrode formed between a shielding electrode and an upper transparent electrode, the lower transparent electrode is formed on the first substrate and connected to the upper transparent electrode, the lower transparent electrode overlaps with the shielding electrode with a first insulation film interposed therebetween to form a storage capacitor.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: June 26, 2012
    Assignee: LG Display Co. Ltd.
    Inventors: Hwideuk Lee, Jaeseok Park, Dongseok Park
  • Publication number: 20120154716
    Abstract: A liquid crystal display device (100) according to the present invention includes: a plurality of pixel electrodes (124) arranged in a matrix array of a plurality of rows and a plurality of columns; a counter electrode (144); and a liquid crystal layer (160) interposed between the plurality of pixel electrodes (124) and the counter electrode (144). The counter electrode (144) includes a plurality of split counter electrodes (145), and each of the plurality of split counter electrodes (145) overlaps a portion of a pixel electrode (124) in each of two adjoining rows. Alternatively, each of the plurality of split counter electrodes (145) may overlap an entire pixel electrode (124) in each corresponding row.
    Type: Application
    Filed: August 27, 2010
    Publication date: June 21, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuyoshi Kaise, Hiroyuki Ohgami
  • Patent number: 8203678
    Abstract: A pixel unit of a liquid crystal display includes a first sub-pixel electrode coupled by a direct current path to a corresponding switching element and a second sub-pixel electrode capacitively connected to the first sub-pixel electrode. The second sub-pixel electrode has a protrusion extending upwardly toward a spaced apart common electrode. The common electrode has a cut-out directly above the protrusion.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: June 19, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Hyun Kim, Gee-Bun Kim, Ae Shin
  • Publication number: 20120147302
    Abstract: A vertical alignment type liquid crystal display, having a specific resistance within a range of from 1×1010 ?cm to 2×1011 ?cm, and containing a liquid crystal layer sandwiched by a substrate having a front electrode on the surface and a substrate having a back electrode, wherein the liquid crystal layer is aligned perpendicular to the electrode surface when no voltage is applied, and upon application of a voltage by multiplex driving, the liquid crystal layer in pixels undergoes an alignment change to align parallel to the substrates. By using slits as pixel dividing structures provided on the front of the electrode, one pixel is divided into a plurality of sub-pixels, such that the directions of the alignment change upon application of a voltage are different between adjacent sub-pixels interposing the slits, and the sub-pixels are formed within a range of from 50 ?m to 100 ?m.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 14, 2012
    Applicant: OPTREX Corporation
    Inventors: Yutaka NAKAGAWA, Yuji Soda, Koretomo Harada
  • Publication number: 20120147314
    Abstract: The display device (100) of this invention has pixels (P) arranged in columns and rows to form a matrix pattern. Each pixel (P) is defined by subpixels (R, G, B, Y) arranged in m columns and n rows (where n and m are integers and n and m?2) to form a matrix pattern and that include first, second, third and fourth subpixels (R, B, Y, G) representing first, second, third and fourth colors, respectively. In three arbitrary pixels (P) arranged in line in one of row and column directions, if the central one of the three is called a first pixel (P1) and the other two second and third pixels (P2, P3), the arrangement of the subpixels (R, G, B, Y) in the first pixel (P1) is different from that of the subpixels (R, G, B, Y) in the second and third pixels (P2, P3). The first subpixels (R) of the first and second pixels (P1, P2) are adjacent to each other, so are their second subpixels (B). The third subpixels (Y) of the first and third pixels (P1, P3) are adjacent to each other, so are their fourth subpixels (G).
    Type: Application
    Filed: August 19, 2010
    Publication date: June 14, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Yoshizawa, Keiichi Tanaka
  • Patent number: 8199266
    Abstract: A pixel structure electrically connected to a data line and a scan line, and including a first and a second active device, a first and a second pixel electrode, and a first and a second capacitance electrode is provided. The first pixel electrode electrically connected to the first active device includes a first and a second electrode block electrically connected to each other. The second pixel electrode electrically connected to the second active device is electrically insulated from the first pixel electrode and separates the first and the second electrode block. The first pixel electrode respectively forms a first and a second capacitor with the first and the second capacitance electrode. The second pixel electrode respectively forms a third and a fourth capacitor with the first and the second capacitance electrode. The first and the second capacitor have different capacitances. The third and the fourth capacitor have different capacitances.
    Type: Grant
    Filed: March 16, 2008
    Date of Patent: June 12, 2012
    Assignee: Au Optronics Corporation
    Inventors: Jenn-Jia Su, Ting-Wei Su, Wen-Hao Hsu
  • Publication number: 20120140160
    Abstract: A display panel includes a first display substrate, a second display substrate, and a liquid crystal layer. The first display substrate includes a first base substrate having a plurality of display cells, a plurality of data lines, a plurality of gate lines, and a plurality of pixel electrodes. The data lines, the gate lines and the pixel electrodes are respectively separated in each of the display cells. The second display substrate includes a second base substrate, a light blocking pattern corresponding to the data lines and the gate lines, a common electrode facing the pixel electrodes, and a common line overlapping with the blocking pattern. The liquid crystal layer is disposed between the first and second display substrate.
    Type: Application
    Filed: April 11, 2011
    Publication date: June 7, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-Tai HAN, Eun-Guk LEE, Young-Goo SONG, Hyuk-Jin KIM, Min-Wook PARK, Jong-In KIM, Hyo-Seop KIM
  • Patent number: 8194201
    Abstract: The present invention relates to a display panel and a liquid crystal display including the same. The display panel includes a pixel electrode, which includes a first subpixel electrode, a second subpixel electrode, and a third subpixel electrode insulated from each other, a first thin film transistor connected to the first subpixel electrode, a second thin film transistor connected to the second subpixel electrode, a third thin film transistor connected to the third subpixel electrode, a gate line connected to the first, second, and third thin film transistors, a data line connected to the first, second, and third thin film transistors, and a voltage differentiating member to change voltages of the first, second, and third subpixel electrodes, the voltages of the first, second, and third subpixel electrodes being different from each other.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: June 5, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon-Sung Um, Hoon Kim, Hye-Ran Yoo, Jae-Jin Lyu, Seung-Beom Park
  • Patent number: 8194213
    Abstract: A liquid crystal display panel includes a pair of substrates opposed to each other with a liquid crystal layer interposed therebetween. In the liquid crystal display panel, a plurality of pixel areas are formed in one of the pair of substrates and each of the pixel areas is provided with an upper electrode having a plurality of slit-shaped openings, a lower electrode formed in the substrate through the upper electrode and an insulation layer, and an alignment film formed close to the liquid crystal layer. A longitudinal direction of the plurality of slit-shaped openings and a rubbing direction of the alignment film form a predetermined angle therebetween. In addition, in the lower electrode, areas where the lower electrode does not exist are formed in portions in which ends of the slit-shaped openings of the upper electrode overlap with the lower electrode in plan view.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: June 5, 2012
    Assignee: Sony Corporation
    Inventors: Hayato Kurasawa, Tomoaki Sekime
  • Patent number: 8194221
    Abstract: In a liquid crystal display panel, a pixel electrode includes at least a main electrode strip and a plurality of sub electrode branches. The sub electrode branches extend outwardly from two opposite edges of the main electrode strip. The main electrode strip includes at least a node-controlling portion, the controlling width of the node-controlling portion are different from a trunk width of the main electrode strip. Otherwise, a plurality of first sub electrode branches and a plurality of second sub electrode branches are extend outwardly from two opposite edges of the main electrode strip respectively. Relating to the position of the first sub electrode branches, the second sub electrode branches has a position-shift amount along the extending direction of the main electrode strip. The position-shift amount is smaller than the branch width of the first or second sub electrode branch.
    Type: Grant
    Filed: May 25, 2009
    Date of Patent: June 5, 2012
    Assignee: AU Optronics Corp.
    Inventors: Wan-Hua Lu, Chia-Yu Lee, Pei-Chun Liao, Ting-Jui Chang
  • Patent number: 8189160
    Abstract: A display substrate comprises gate lines, data lines intersecting the gate lines, and a pixel electrode connected to at least one of the gate lines and at least one of the data lines. The pixel electrode comprises one or more micro-slit patterns each of which comprises a plurality of micro-electrodes separated by slits. The pixel electrode comprises a first shielding pattern interconnecting end portions of two or more of the micro-electrodes of one of the one or more micro-slit patterns, the end portions overlapping with one of the gate lines.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: May 29, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Gyu Kim
  • Patent number: 8179513
    Abstract: A transflective liquid crystal display panel includes an array substrate and a color filter substrate. The array substrate includes a plurality of scanning lines and signal lines arranged in a matrix, a lower electrode and an upper electrode in each of pixel regions surrounded by the scanning lines and the signal lines, and a reflecting plate disposed partly below each lower electrode, the lower electrode and the upper electrode in each pixel region being disposed facing each other with an insulating film therebetween, the lower electrodes being composed of a transparent conductive material, the upper electrodes each having a plurality of slits. The color filter substrate includes color filter layer segments arranged in correspondence to the pixel regions. The plurality of slits in each upper electrode have first open ends and second closed ends.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: May 15, 2012
    Assignee: Sony Corporation
    Inventor: Hayato Kurasawa
  • Patent number: 8179492
    Abstract: The invention relates to a liquid crystal display device and provides a liquid crystal display device which can achieve high display quality. A liquid crystal display device is provided with first and second TFTs each having a gate electrode connected to an nth gate bus line and a drain electrode connected to a drain bus line; a first pixel electrode connected to a source electrode of the first TFT; a second pixel electrode connected to a source electrode of the second TFT; a third TFT having a gate electrode connected to an (n+1)th gate bus line and a source electrode connected to the second pixel electrode; and a buffer capacitance portion having a buffer capacitance electrode which is formed in the same layer as the first and second pixel electrodes and is connected to a drain electrode of the third TFT and a buffer capacitance electrode connected to a storage capacitance bus line.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: May 15, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasutoshi Tasaka, Yohei Nakanishi, Masakazu Shibasaki, Tsuyoshi Kamada, Hidefumi Yoshida, Hideaki Tsuda
  • Patent number: 8179344
    Abstract: In one embodiment of the invention, a pixel unit has two sub-pixel regions each including a liquid crystal capacitor (LCC) and storage capacitor (SC). The capacitance ratio of the SC to LCC of the first sub-pixel differs from the capacitance ratio of the SC to LCC of the second sub-pixel.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: May 15, 2012
    Assignee: Chimei Innolux Corporation
    Inventors: Ming-Feng Hsieh, Chih-Yung Hsieh, I-Lin Ho, Chien-Hong Chen, Che-Ming Hsu
  • Patent number: 8169582
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate and including a first sub-pixel electrode and a second sub-pixel electrode spaced apart from the first sub-pixel electrode by a gap, a common electrode disposed on the second substrate, a shielding member disposed on the first substrate or the second substrate and overlapping the gap between the first sub-pixel electrode and the second sub-pixel electrode, an alignment layer disposed on at least one of the pixel electrode and the common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: May 1, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mee-Hye Jung, Chong-Chul Chai, Yong-Woo Lee, Young-Gu Kim
  • Patent number: 8169557
    Abstract: A display substrate includes a first pixel part including a first switching element, a second pixel part including a second switching element, a third pixel part including a third switching element, a first pixel electrode, a second pixel electrode and a third pixel electrode. The third pixel part is adjacent to the first pixel part. The first pixel electrode is electrically connected to the first switching element, and is formed on the first and second pixel part. The second pixel electrode is electrically connected to the second switching element, and is formed on a portion of the second pixel part. The third pixel electrode is electrically connected to the third switching element, and is formed on the first and third pixel parts. Therefore, an opening ratio is increased, thereby improving an image display quality.
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: May 1, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Young Choi, Jin Jeon
  • Publication number: 20120099071
    Abstract: A multi-domain liquid crystal display is disclosed. The display includes embedded polarity regions within the color dots of the display. Specifically, the embedded polarity regions have a polarity that is different from the polarity of the color dot containing the embedded polarity region. This difference in polarity enhances the fringe fields of the color dot or in some situations may create additional fringe fields. The enhanced fringe fields or additional fringe fiends can more quickly restore liquid crystals to their proper position.
    Type: Application
    Filed: December 30, 2011
    Publication date: April 26, 2012
    Inventor: Hiap L. Ong
  • Patent number: 8164730
    Abstract: A liquid crystal display includes a substrate and a plurality of pixel electrodes that are formed on the substrate, each of the pixel electrodes including first and second subpixel electrodes, wherein the first and second subpixel electrodes are adjacently disposed in a lateral direction. Each of the first and second subpixel electrodes includes at least two parallelogram shaped electrode pieces having different inclination directions and at least one of electrode pieces of the second subpixel electrode is positioned on or under the first subpixel electrode.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: April 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Gyu Kim, Hee-Joon Kim
  • Patent number: 8164702
    Abstract: A display substrate includes; a dual transistor electrically connected to a first gate line and a data line, which is disposed in a direction substantially perpendicular to the first gate line, the dual transistor including a first drain electrode and a second drain electrode, a pixel electrode having a first pixel part and a second pixel part which are respectively connected to the first drain electrode and the second drain electrode, a connection transistor electrically connected to the second pixel part and a second gate line which is adjacent to the first gate line, the connection transistor comprising a connection drain electrode, a voltage-decreasing electrode extended from a connection drain electrode of the connection transistor a voltage-decreasing line extended in substantially the same direction as the first and second gate lines, and disposed on a data insulation layer overlapping the voltage-decreasing electrode and the data insulation layer.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: April 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kee-Bum Park, Eun Cho, Dong-Gyu Kim
  • Patent number: 8159430
    Abstract: A liquid crystal display are provided, which includes: a liquid crystal panel assembly including a plurality of pixels arranged in a matrix including a plurality of rows and a plurality of columns, a plurality of gate lines, and a plurality of data lines, wherein the number of the data lines is larger than the number of the columns, the data lines are separated from each other in the panel assembly, each pixel is connected to one of the gate lines and adjacent to two of the data lines, and the pixels in each column are alternately connected to the adjacent data lines at least every one row.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: April 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jang-Kun Song, Yun Jang, Eun-Hee Han
  • Patent number: 8154700
    Abstract: An electronic device can include an electrode and an organic active region. In one aspect, the electronic device can include the electrode having a corresponding pitch and an organic active region adjacent to the electrode, wherein the organic active region has a width greater than the corresponding pitch. In another aspect, an electronic device can include a first set of electrodes oriented substantially along a direction and a second set of electrodes oriented substantially along the direction. The electronic device can also include a space between the first and second sets of the electrodes. The electronic device can still further include an organic active region overlying or underlying the first and second sets of electrodes and the space. In other aspects, processes of forming the electronic devices are also disclosed.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: April 10, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Shiva Prakash, Marie B. O'Regan, William F. Feehery
  • Patent number: 8144302
    Abstract: A display substrate includes a first metal pattern including a gate line and a signal line, a first insulation layer formed on a substrate where the first metal pattern is formed, a first electrode formed on the first insulation layer, and a second metal pattern including a connecting electrode and a data line. The first insulation layer includes a first opening portion exposing a portion of the signal line. The first electrode corresponds to a unit pixel. The connecting electrode is connected to the first electrode and the signal line through the first opening portion.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: March 27, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chun-Gi You, Se-Il Cho
  • Patent number: 8144298
    Abstract: A liquid crystal display device and method of fabricating the device where the device can control a viewing angle in all directions without forming a white pixel. The liquid crystal display device includes a display control region that is controlled such that liquid crystal molecules are inclined and a viewing-angle control region that is controlled such that liquid crystal molecules are aligned in a horizontal or vertical direction, where a control voltage is supplied through a viewing angle control line independent of a common line for the display control region.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: March 27, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Nagayama Kazuyoshi, Yuichi Momoi
  • Patent number: 8144291
    Abstract: A display device includes an active matrix substrate and a color filter substrate facing each other, wherein the active matrix substrate includes a scanning line, a signal line, and a switching element, and has a pixel, the switching element being arranged at an intersection of the scanning line and the signal line, the pixel including two sub-pixels, the two sub-pixels being arranged with the scanning line or the signal line therebetween, the color filter substrate includes a bank and a plurality of colored layers surrounded by the bank, the bank being arranged in regions overlapping with the signal line, and the switching element, and the plurality of colored layers include the first colored layer and the second colored layer, the first colored layer overlapping with one sub-pixel positioned at an end and a region outside a sub-pixel-arranged region, and the second colored layer overlapping with two sub-pixels.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: March 27, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Hirotaka Niiya
  • Patent number: 8144297
    Abstract: A display device includes a pair of substrates with liquid crystal therebetween, and a plurality of pixel regions provided on one substrate. Each pixel region is constituted of one and another region including a switching element, a pixel electrode, and a counter electrode. In the one region, the counter electrode extends substantially planar at a center except at a periphery of the one region, and the pixel electrode is constituted of a first group of electrodes which extend in one direction and arranged in parallel at a first distance. In the another region the counter electrode is constituted of a group of electrodes which extend in one direction and arranged in parallel in a direction which intersects the one direction in the another region, and the pixel electrode is constituted of a second group of electrodes which extend in the one direction and arranged in parallel at a second distance.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: March 27, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yoshiaki Nakayoshi, Kazuhiko Yanagawa, Takahiro Ochiai, Hirotaka Imayama
  • Patent number: 8139191
    Abstract: A pixel array structure includes scan lines, data lines, first pixels, and second pixels. The scan lines and the data lines are intersected. The first and the second pixels are staggered. Each first pixel includes a first switching element, a first pixel electrode and a second pixel electrode electrically connected to the first switching element. Each second pixel includes a second switching element, a third pixel electrode and a fourth pixel electrode electrically connected to the second switching element. The first and the second switching elements electrically connect corresponding scan lines and data lines. A pattern of the first pixel electrode is symmetrical to a pattern of the fourth pixel electrode with respect to an extending direction of the scan lines. A pattern of the second pixel electrode is symmetrical to a pattern of the third pixel electrode with respect to the extending direction of the scan lines.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: March 20, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Kuei-Wei Huang, Chien-Kuo He
  • Patent number: 8134653
    Abstract: An LCD panel includes a pixel unit having a first and a second pixel electrodes.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: March 13, 2012
    Assignee: AU Optronics Corp.
    Inventors: Yi-Pai Huang, Te-Wei Chan, Yen-Ting Chen
  • Patent number: 8128271
    Abstract: A light emitting sign including a lightguide having a thickness not greater than 0.5 millimeters. The lightguide having an array of elongated legs extending therefrom, wherein each leg terminates in a bounding edge and is folded such that the bounding edges are stacked. At least one light source emits light into the stacked bounding edges. The light travels within the legs to the lightguide, with the light from each leg combining and totally internally reflecting within the lightguide. A plurality of light scattering features frustrate totally internally reflected light within the lightguide such that the light exits the sign in a light emitting area.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: March 6, 2012
    Assignee: FLEx Lighting II, LLC
    Inventor: Anthony J. Nichol
  • Patent number: 8125604
    Abstract: A liquid crystal display device includes a first substrate; a second substrate which faces the first substrate and comprises a common electrode; and a liquid crystal layer located between the first and second substrates, the first substrate comprises: a data line and a gate line which cross each other; and a pixel electrode which is bent at least once and comprises a first sub-pixel electrode and a second sub-pixel electrode which are separated from each other, the first sub-pixel electrode is extended along the direction of the data line, the second sub-pixel electrode comprises a first part located on the right side of the first sub-pixel electrode and a second part located on the left side of the first sub-pixel electrode, and the data line comprises a first data line passing through the first part and a second data line passing through the second part.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: February 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-young Lee, Sahng-ik Jun, Dong-gyu Kim
  • Patent number: 8125603
    Abstract: An in-plane switching mode LCD having a plurality of pixels arranged in a matrix includes a gate line formed on a lower substrate, a data line formed such that the data line intersect the gate line to define a pixel region, a TFT (Thin Film Transistor) formed at the intersection of the gate line and the data line, a pixel electrode connected to the TFT, a common electrode to generate a horizontal electric field with the pixel electrode, and a common line supplying common voltage to the common electrode, wherein the common line comprises a first common line formed parallel to the gate line in a lower portion of the pixel region, a second common line formed parallel to the date line in a side portion of the pixel region adjacent to the data line, and a third common line formed parallel to the gate line in a upper portion of the pixel region, and wherein the data line comprises a pair of sub-lines facing directly with each other in every two pixel regions.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: February 28, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Young Oh, Dong Su Shin, Jae Kyun Lee, Joon Young Yang, Kum Mi Oh
  • Patent number: 8125609
    Abstract: An IPS (In-Plane Switching) mode LCD (Liquid Crystal Display) includes first and second substrates facing each other; a plurality of gate lines and data lines arranged in a matrix configuration on the first substrate and defining a plurality of pixel regions; at least one common electrode and one pixel electrode alternatingly disposed at the pixel region to generate a horizontal electric field, at least one of them having a structure of a dual layer; and a liquid crystal layer formed between the first and second substrates.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: February 28, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Ji Young Ahn
  • Publication number: 20120044449
    Abstract: A twisted nematic liquid crystal display device includes a first substrate, a plurality of gate lines and a plurality of data lines formed on the first substrate, a plurality of pixels connected to the gate lines and the data lines and each pixel having a first subpixel and a second subpixel, a first subpixel electrode formed in the first subpixel, and a second subpixel electrode formed in the second subpixel. The voltage of the first subpixel electrode is greater than the voltage of the second subpixel electrode, and a ratio of the area of the second subpixel electrode to the area of the first subpixel electrode is in the range of 0.66 to 1.5.
    Type: Application
    Filed: August 9, 2011
    Publication date: February 23, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Hwan HONG, Soon-Joon RHO, Jae-Soo JANG, Hee-Seop KIM
  • Publication number: 20120038845
    Abstract: A liquid crystal display panel having improved lateral visibility. The liquid crystal display panel includes a first substrate including a pixel electrode formed on a pixel area including a first sub-pixel area and a second sub-pixel area; and a second substrate coupled to the first substrate with a liquid crystal layer accommodated between the first substrate and the second substrate, and including a common electrode formed on an area corresponding to the pixel area, wherein the pixel electrode includes a first sub-pixel electrode formed on the first sub-pixel area; a second sub-pixel electrode formed on the second sub-pixel area; and a contact electrode formed between the first sub-pixel area and the second sub-pixel area, and wherein the first sub-pixel electrode and the contact electrode are spaced apart from each other by a predetermined distance.
    Type: Application
    Filed: March 11, 2011
    Publication date: February 16, 2012
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 8111341
    Abstract: A liquid crystal display according to the present invention includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate and including a first sub-pixel electrode and a second sub-pixel electrode spaced apart from the first sub-pixel electrode by a gap, a common electrode disposed on the second substrate, a shielding member disposed on the first substrate or the second substrate and overlapping the gap between the first sub-pixel electrode and the second sub-pixel electrode, an alignment layer disposed on at least one of the pixel electrode and the common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: February 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mee-Hye Jung, Chong-Chul Chai, Yong-Woo Lee, Young-Gu Kim
  • Patent number: 8111226
    Abstract: A multi-domain vertical alignment liquid crystal display device includes a data line, a first gate line, a second gate line, a first sub-pixel unit, and a second sub-pixel unit. The first sub-pixel unit includes a first switch, a first liquid-crystal capacitor and a first storage capacitor. The first switch functions to control writing the data signal of the data line into the first liquid-crystal and storage capacitors based on the first gate signal of the first gate line. The second sub-pixel unit includes a second switch, a second liquid-crystal capacitor, an auxiliary switch, a second storage capacitor and a third storage capacitor. The second and auxiliary switches are employed to control writing the data signal into the second liquid-crystal capacitor, the second storage capacitor and the third storage capacitor based on the first gate signal and the second gate signal of the second gate line respectively.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: February 7, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Yi-Cheng Tsai, Kuei-Wei Huang
  • Publication number: 20120026447
    Abstract: A pixel structure includes at least one first sub-pixel electrode, at least one second sub-pixel electrode, at least one common line, at least one first transistor electrically connected to the first sub-pixel electrode, and at least one second transistor electrically connected to the second sub-pixel electrode. The common line overlaps and is coupled respectively with the first sub-pixel electrode and the second sub-pixel electrode so as to respectively form a first storage capacitor and a second storage capacitor. The second storage capacitor is larger than the first storage capacitor. A first adjusting capacitor of the first transistor is larger than a second adjusting capacitor of the second transistor.
    Type: Application
    Filed: January 30, 2011
    Publication date: February 2, 2012
    Inventors: Peng-Bo Xi, Shin-Hung Yeh, Wei-Kai Huang, Ya-Ling Hsu
  • Publication number: 20120026446
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode layer disposed on the first substrate and a plurality of pixel structures disposed on the second substrate. Each of the pixel structure includes a first data line, a second data line, a third data line and at least a capacitance adjusting layer. The capacitance adjusting layer is disposed between the common electrode layer and the second data line.
    Type: Application
    Filed: January 27, 2011
    Publication date: February 2, 2012
    Inventors: Peng-Bo Xi, Shin-Hung Yeh
  • Patent number: 8107045
    Abstract: A large screen display suitable for displaying moving images has a high operational property and is realized at low cost. A vertically aligned mode liquid crystal display comprises a scan wiring, a video signal wiring, a pixel electrode, an alignment directional control electrode, and a thin film transistor element formed in a position where a scan wiring and a video signal wiring intersect with each other, and a common electrode formed in a color filter substrate side. An electric field distribution formed with three electrodes comprising an alignment directional control electrode, a pixel electrode, and a common electrode formed in an countering substrate side controls motion directions of vertically aligned anisotropic liquid crystal molecules having a negative dielectric constant.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: January 31, 2012
    Assignee: Obayashiseikou Co., Ltd.
    Inventor: Naoto Hirota
  • Patent number: 8094281
    Abstract: The present invention relates to a substrate for a liquid crystal display device and a liquid crystal display device which are used as, for example, a display unit of an electronic apparatus, and an object of the present invention is therefore to provide a substrate for a liquid crystal display device and a liquid crystal display device capable of providing high transmittance, high luminance, and good display characteristics as well as a high production yield.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: January 10, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yoshihisa Taguchi
  • Patent number: 8094282
    Abstract: A liquid crystal display device includes: first and second substrates facing and spaced apart from each other, each of the first and second substrates having an image-displaying sub pixel and a viewing angle-adjusting sub pixel; a thin film transistor corresponding to each of the image-displaying sub pixel and the viewing angle-adjusting sub pixel; a liquid crystal display layer between the first and second substrates, the liquid crystal layer having a negative dielectric constant anisotropy; a first field distortion means in the image-displaying sub pixel; and a second field distortion means in the viewing angle-adjusting sub pixel.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: January 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Tae-Han Kim, In-Hyuk Song, Kyung-Eon Lee
  • Patent number: 8094256
    Abstract: An active matrix substrate in which wherever a short between adjacent pixel electrodes of a liquid crystal panel is located in peripheral portions of the pixel electrodes, the short can be efficiently corrected without forming both short-circuited pixels into black dots, and a liquid crystal panel having the active matrix substrate, as well as methods of correcting the AM substrate and the liquid crystal panel. Each of pixel electrodes arranged in a matrix in an active matrix substrate is divided into a plurality of minute regions, and the minute regions are integrally connected by electrically connecting portions. A plurality of lines arranged to transmit signals to each of the pixel electrodes are placed so as not to coincide with the electrically connecting portions of each of the pixel electrodes.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: January 10, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaomi Okamoto, Toshihide Tsubata
  • Patent number: 8094277
    Abstract: The present invention provides a liquid crystal display device used as a display part of an electronic apparatus which exhibits high brightness and favorable display quality. The liquid crystal display device includes a pair of substrates which are arranged to face each other in an opposed manner; vertical-alignment type liquid crystal which is sealed between the pair of substrates; a plurality of pixel regions, each pixel region including a sub pixel having a pixel electrode on one substrate and a sub pixel having a pixel electrode on one substrate, a slit formed between the pixel electrodes; and a singular point control part which includes projecting portions which are formed on end portions of the pixel electrodes on the slit-side and controls singular points of the liquid crystal.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: January 10, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasutoshi Tasaka, Takahiro Sasaki, Yohei Nakanishi, Masakazu Shibasaki, Takashi Sasabayashi, Hidefumi Yoshida, Tsuyoshi Kamada, Hideaki Tsuda, Kazuya Ueda
  • Patent number: 8094284
    Abstract: A method of manufacturing a liquid crystal display panel is provided. A photo-alignment layer and a patterned pixel electrode are formed on a first and a second substrates respectively. A liquid crystal layer is formed between the photo-alignment layer and the patterned pixel electrode. The patterned pixel electrode includes intersected electrodes having a first directional portion and a second directional portion intersected therewith, and stripe electrodes having slits therebetween connect at least one of the first directional portion and the second directional portion. When an electric field between the first and the second substrates is substantially zero, the liquid crystal molecules near the photo-alignment layer have a pre-tilt angle while those on another side are substantially perpendicular to the second substrate. As the liquid crystal layer is driven, the liquid crystal molecules of the liquid crystal layer are substantially arranged along an extending direction of the slits.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: January 10, 2012
    Assignee: Au Optronics Corporation
    Inventors: Rong-Ching Yang, Ming-Hung Wu, Chia-Ming Chen, Yu-Ping Kuo
  • Patent number: 8089597
    Abstract: A liquid crystal display (LCD) panel including a first substrate, a plurality of scan lines, a plurality of data lines, a plurality of pixel structures, a second substrate, and a liquid crystal layer is provided. The scan lines, data lines, and pixel structures are disposed on the first substrate. The pixel structures are electrically connected to the corresponding scan lines and data lines. The liquid crystal layer is disposed between the first and the second substrates. Each pixel structure includes a first active device, a first pixel electrode electrically connected to the first active device, and a second pixel electrode. A V-shaped main slit formed between the first and the second pixel electrodes has a tip and two branches connected thereto. The tip of the V-shaped main slit directs towards the second pixel electrode. The edges of the first and the second pixel electrodes adjoining each branch are substantially parallel.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: January 3, 2012
    Assignee: Au Optronics Corporation
    Inventors: Chieh-Wei Chen, Te-Wei Chan, Jenn-Jia Su
  • Patent number: 8089588
    Abstract: A thin-film transistor array substrate, used in a transflective liquid crystal display. The thin-film transistor array substrate has a substrate, a plurality of pixels, a plurality of scan lines and a plurality of data lines. Each of the pixels has a transparent sub-pixel and a reflective sub-pixel, while the transparent sub-pixel further has a transparent electrode and a first thin-film transistor, and the reflective sub-pixel has a reflective pixel electrode and a second thin-film transistor. The pixel electrode of each sub-pixel is thus electrically connected to a different thin-film transistor. The step of forming a molybdenum layer is thus not required, saving fabrication cost.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: January 3, 2012
    Assignee: Au Optronics Corporation
    Inventor: Fang-Chen Luo