Split Pixels Patents (Class 349/144)
  • Patent number: 10466548
    Abstract: A display device includes a first substrate including a first base substrate, a first sub-pixel electrode, which is disposed on a first surface of the first base substrate, a passivation layer, which is disposed on the first sub-pixel electrode, and a second sub-pixel electrode, which is disposed on the passivation layer and partially overlaps the first sub-pixel electrode, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, where the second sub-pixel electrode includes a first portion, which is apart from the first surface of the first base substrate by a first distance, and a second portion, which is apart from the first surface of the first base substrate by a second distance which is less than the first distance.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Tae Kyung Yim, Su Wan Woo, Yeo Geon Yoon, Nak Cho Choi
  • Patent number: 10460633
    Abstract: A pixel array, a display substrate and a display device are provided, the pixel array includes a plurality of pixel units, each pixel unit includes a plurality of windmill-shaped sub-pixels, each windmill-shaped sub-pixel is configured to display one primary color, each windmill-shaped sub-pixel includes a plurality of separated parts which are disposed around a center position of this windmill-shaped sub-pixel, and the plurality of separated parts are disposed apart from each other; between two adjacent separated parts of each windmill-shaped sub-pixel, a separated part of an adjacent windmill-shaped sub-pixel is disposed.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: October 29, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jie Song, Honggang Gu
  • Patent number: 10452221
    Abstract: A liquid crystal display device includes a display device substrate including a first touch sensing wiring, an array substrate including a second touch sensing wiring orthogonally intersecting the first touch sensing wiring, a liquid crystal layer disposed between the display device substrate and the array substrate, a controller that supplies a positive first image signal to the first source wiring, supplies a negative second image to the second source wiring, applies a liquid crystal display voltage between the pixel electrode and the common electrode being synchronized to supply of the first image signal and the second image signal, thereby driving the liquid crystal layer, performing an image display, and applying a voltage to the second touch sensing wiring after performing the image display.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: October 22, 2019
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yukihiro Kimura, Kenzo Fukuyoshi
  • Patent number: 10437114
    Abstract: According to one embodiment, a display device includes a unit pixel including first to fourth sub-pixels exhibiting different colors, each of the first to fourth sub-pixels includes first to third segments for displaying 3-bit gradation, the first segment being a rectangular region including first to fourth sides, the second segment being an L-letter region located on a side closer to a geometric center of the unit pixel than the first segment and formed along the first and second sides which intersect each other, the third segment being an L-letter region located on a side farther from the geometric center than the first segment and formed along the third and fourth sides which intersect each other.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: October 8, 2019
    Assignee: Japan Display Inc.
    Inventors: Masaya Tamaki, Hirotaka Hayashi
  • Patent number: 10401694
    Abstract: A liquid display panel, and a display device are provided. The liquid display panel includes an array substrate. The array substrate includes a base substrate, a plurality of data lines, a plurality of scanning lines, and an auxiliary electrode. The data lines and the scanning lines intersect to form a plurality of pixels arranged in an array. Each pixel includes a first sub-pixel and a second sub-pixel adjacent to each other. Each first sub-pixel includes a first pixel electrode and a first electrode, while each second sub-pixel includes a second pixel electrode. The second sub-pixel has an area larger than the first pixel; and the second pixel electrode has an area larger than the first pixel electrode. At least a portion of the auxiliary electrode and the first electrode overlap with each other to form a first auxiliary capacitance for the first sub-pixel, and an overlap region between the auxiliary electrode and the first electrode extends into the second sub-pixel of a same pixel.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lei Wang, Mingwei Zhang, Xiangjian Kong, Jine Liu, Feng Qin
  • Patent number: 10396100
    Abstract: The present application provides an array substrate, which comprises a plurality of gate lines, a plurality of data lines, a plurality of thin film transistors, a plurality of pixel electrodes, and a plurality of conductive members. In each of the pixel regions, a control terminal of the TFT is electrically connected with the gate line, an input terminal of the TFT is electrically connected with the data line, and an output terminal of the TFT is electrically connected with the pixel electrode. The output terminal comprises a body, and a first contact and a second contact which are connected with the body. The first contact and one of the conductive members extending into the pixel region are overlapping-disposed and insulated from each other. The second contact and another of the conductive members extending into the pixel region are overlapping-disposed and insulated from each other.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 27, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Liyang An
  • Patent number: 10386665
    Abstract: The present disclosure describes increasing a maximum angle of incidence and a maximum angle of output, of an optical element package, with respect to an optical element contained therein, the optical element being reflective. A sealing resin (5) is filled into a gap between an LCOS element (2) and a package housing (1). The sealing resin (5) covers side surfaces (2s) and a rear surface (2b) of the LCOS element (2).
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: August 20, 2019
    Assignee: FUJIKURA LTD.
    Inventor: Hideyuki Wada
  • Patent number: 10325933
    Abstract: The present disclosure provides an array substrate comprising a plurality of gate lines, and a plurality of data lines that intersect the plurality of gate lines. A plurality of pixel units are defined by the plurality of gate lines and the plurality of data lines which intersect each other. Each pixel unit comprises a thin film transistor, a gate insulating layer, a passivation layer arranged on one side of the gate insulating layer, a pixel electrode and a common electrode, wherein a source and a drain of the thin film transistor are arranged between the passivation layer and the gate insulating layer, the common electrode is arranged on the other side of the gate insulating layer opposite to the passivation layer, and the pixel electrode is arranged on the passivation layer. The present disclosure further provides a method for manufacturing an array substrate and a display device.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: June 18, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyun Tian, Hyunsic Choi, Yoonsung Um
  • Patent number: 10297218
    Abstract: The present application discloses an array substrate, a driving method thereof, and related display apparatus based on an improved dual-gate scheme. The array substrate includes multiple groups each having two columns of pixel electrodes without laying a data line in a gap between the two columns. Each group includes multiple second transistors for pre-charging respective pairs of pixel electrodes having reversed polarities in each corresponding scanning cycle. Before each pixel electrode is charged via a first transistor, turning on the second transistor allows charge sharing between the two pixel electrodes having reversed polarities so that the charging time of each pixel electrodes is substantially reduced and the operation power is saved.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: May 21, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Chongqing BOE Optoelectronics Technology CO., Ltd.
    Inventors: Zhuo Xu, Rui Wang, Yajie Bai, Jaikwang Kim, Fei Shang, Haijun Qiu
  • Patent number: 10261368
    Abstract: A pixel structure is disclosed. The pixel structure includes first transparent conductive films that are arranged on color-resists of a color filter substrate, and second transparent conductive films that are arranged on sub pixel regions of an array substrate and correspond to the first transparent conductive films. The first transparent conductive films are connected with one another. An area of each first transparent conductive film is larger than an area of a corresponding second transparent conductive film. The first transparent conductive film is provided with a groove on a part thereof beyond the second transparent conductive film. According to the present disclosure, a light transmittance of the pixel structure can be greatly improved.
    Type: Grant
    Filed: October 10, 2015
    Date of Patent: April 16, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bangyin Peng, Xiaohui Yao
  • Patent number: 10247987
    Abstract: The present disclosure provides a pixel unit, an array substrate and a manufacturing method thereof. The pixel unit comprises slit electrodes and comprises four zones. The slit electrodes in the four zones are electrically connected with each other. The slit incline directions of the slit electrodes of the pixel unit in each of the four zones are the same, and the slit inclined directions of the slit electrodes of the pixel unit in any two adjacent zones of the four zones are different. The pixel unit structure with a plurality of domains and the array substrate comprising the pixel unit structure provided by the present disclosure can eliminate color deviation to the greatest extent, and have excellent light transmittance.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: April 2, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xibin Shao, Dongchuan Chen, Yanping Liao, Zhenyu Zhang
  • Patent number: 10240051
    Abstract: A method for producing a pane having an electrically conductive coating is described. The method includes applying an electrically conductive coating onto a substrate, identifying defects of the coating, focusing the radiation of a laser having an annular beam profile on the coating, wherein the annular beam profile surrounds the defect, and producing an annular de-coated region by simultaneously removing the coating in the region of the beam profile.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: March 26, 2019
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe Letocart, Li-Ya Yeh, Michael Behmke
  • Patent number: 10223990
    Abstract: The present disclosure provides a pixel circuit, a method for driving the pixel circuit and a display panel including the pixel circuit. The pixel circuit comprises a data writing unit, a voltage tracking unit, a voltage storage unit and a liquid crystal capacitor. The data writing unit is constructed to transfer a data voltage on a data line to the voltage storage unit and the voltage tracking unit when the pixel circuit is in a normal display mode. The voltage storage unit is constructed to store the data voltage when the pixel circuit is in the normal display mode and transfer the data voltage or an adjustment voltage to the input terminal of the voltage tracking unit when the pixel circuit is in a static display mode. The voltage tracking unit is constructed to output a data output voltage based on the data voltage or the adjustment voltage, such that the liquid crystal capacitor generates a corresponding liquid crystal deflection field.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: March 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wen Tan, Jia Chen
  • Patent number: 10222668
    Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel has a plurality of scan lines, and a plurality of data lines, which coordinate with the scan lines to form a plurality of subpixel regions. Each subpixel region is provided with a subpixel, and each subpixel comprises a plurality of display regions, areas of the display regions being different from each other. When a scan signal transmitted through the scan line arrives, the display regions each receive a data signal transmitted through a same data line, so that the display regions have different gray scale voltages.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: March 5, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Wei Chen, Xiaoping Tan, Zhenzhou Xing
  • Patent number: 10176740
    Abstract: Provided is a display device including a gate driver configured to output a plurality of gate signals to a plurality of gate lines during each of a first frame and a second frame, and a display panel configured to display a first image during the first frame and to display a second image during the second frame, the second frame being longer in duration than the first frame, wherein each of the gate signals includes a high interval having a first voltage level and a low interval having a second voltage level lower than the first voltage level, and wherein the second voltage level of the gate signals during the second frame is lower than the second voltage level of the gate signals during the first frame.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: January 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yongdoo Park, Keun-tae Jung, Heejune Kwak
  • Patent number: 10162226
    Abstract: Disclosed is a pixel electrode and an array substrate. The pixel electrode is divided into four alignment regions, and each of the alignment regions includes two trunk electrodes arranged in a horizontal direction and a vertical direction respectively. The trunk electrode in the vertical direction is located at independent edges of each of the alignment regions. Each of the trunk electrodes has a maximum width at a perpendicular intersecting point of the trunk electrodes. The pixel electrode significantly reduces a dark area inside of a pixel unit and increases transmittance of a pixel.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: December 25, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jinbo Guo
  • Patent number: 10141345
    Abstract: The present invention provides an array substrate and a manufacturing method thereof, and a display device. The array substrate of the present invention comprises: common electrodes, pixel electrodes, common electrode lines and at least one auxiliary common electrode line, and the at least one auxiliary common electrode line is arranged to intersect with and be electrically connected to the common electrode lines. The manufacturing method of an array substrate of the present invention comprises a step of forming common electrode lines and a step of forming auxiliary common electrode lines, wherein the auxiliary common electrode lines are arranged to intersect with and be electrically connected to the common electrode lines. The display device of the present invention comprises the above array substrate.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: November 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jongwon Moon, Chuanyan Wang, Wenming Ren
  • Patent number: 10133138
    Abstract: A display device may include a pixel electrode, a transistor, a first gate line, a second gate line, and a third gate line. The transistor may be electrically connected to the pixel electrode. The first gate line may be electrically connected to the transistor. The second gate line may extend not parallel to the first gate line. The third gate line may overlap the pixel electrode and may extend not parallel to the first gate line. The second gate line or the third gate line may be electrically connected to the first gate line. The pixel electrode may be partially positioned between the second gate line and the third gate line in a plan view of the display device.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwa Yeul Oh, Sung Man Kim, Min Chul Song, Seong Su Lim, Tae Hyung Hwang
  • Patent number: 10068539
    Abstract: A display device includes: a first substrate; a pixel electrode on the first substrate, the pixel electrode including separately formed first and second sub-pixel electrodes; a first thin film transistor (TFT) connected to the first sub-pixel electrode; a second TFT connected to the second sub-pixel electrode; a third TFT connected to one of the first and second TFTs; a gate line connected to the first, second, and third TFTs; a data line intersecting the gate line and respectively connected to the first and second TFTs; and a storage line, at least a part of the storage line spaced apart from and in parallel with the data line and connected to the third TFT. The first, second, and third TFTs may include a common gate electrode extending from the gate line.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: September 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jangil Kim, Unbyoll Ko, Seiyong Park, Jungwook Lee, Sunghee Hong
  • Patent number: 10031390
    Abstract: A display device including a first base substrate, gate lines disposed on the first base substrate and extending in a first direction, parasitic capacitance electrodes coupled to the gate lines, data lines extending in a second direction crossing the first direction, transistors, each coupled to one of the gate lines and coupled to one of the data lines, and pixels sequentially arranged in the first direction, each of the pixels coupled to a corresponding one of the transistors, respectively, in which each of the transistors includes a gate electrode, a source electrode, and a drain electrode, and wherein widths of the parasitic capacitance electrodes in adjacent pixels measured along the first direction are different from each other.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Sun Kim, Jong Hee Kim, Young Wan Seo, Jae Keun Lim
  • Patent number: 10012881
    Abstract: A repairing method of defective pixels having light spots includes: connecting the pixel electrode and a drain electrode of the of the TFT via a point welding method; cutting off the continuous common electrode to divide the common electrode within the switch area and the common electrode within the pixel area; and removing the pixel electrode arranged above intersections of the common electrode, and connecting the pixel electrode within the switch area and the pixel electrode within pixel area. In addition, an array substrate and a liquid crystal panel are disclosed. By cutting off the common electrode within the pixel area switch area and the pixel area, the defective pixels having light spots are eliminated. In addition, such defective pixels are repaired to be pixels capable of emitting light normally.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: July 3, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Xiangdeng Que
  • Patent number: 9977527
    Abstract: A touch sensing device includes a touch screen coupled with a display panel including data lines, gate lines crossing the data lines, and pixels arranged in a matrix form, and a touch sensing circuit which supplies a driving signal to lines of the touch screen and senses a touch input. The touch sensing circuit detects an optimum sensing time, in which changes in a voltage change of the gate lines are maintained within a previously determined allowable range, in a touch screen drive period in which data is not written to the pixels of the display panel. The touch sensing circuit supplies the driving signal to the lines of the touch screen only in the optimum sensing time of the touch screen drive period.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: May 22, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Sungchul Kim, Junghan Lee
  • Patent number: 9965991
    Abstract: The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; implementing block detection to the image pixels of the image to display to determine dimensions of color blocks where the image pixels are; respectively setting block weights for the respective image pixels according to the dimensions of the color blocks; implementing the color washout compensation to the image to display according to the block weight; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention can reduce the color washout under large view angle to promote the display effect of the large view angle.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: May 8, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-Wei Chu, Jhen-wei He
  • Patent number: 9927664
    Abstract: The present invention provides a pixel electrode and a liquid crystal display panel. The pixel electrode comprises a rectangular frame (40), a plurality of first strip pixel electrode branches (41), a plurality of second strip pixel electrode branches (42), a plurality of third strip pixel electrode branches (43) and a plurality of fourth strip pixel electrode branches (44), which are inside the rectangular frame (40), and connected with the rectangular frame (40), and because the pixel electrode does not including the (cross) keel, it is capable of solving the issue that the (cross) keel part of the pixel electrode causes the penetration rate reduction of the liquid crystal display panel to promote the penetration rate of the liquid crystal display panel for reducing the demand to the backlight brightness of the liquid crystal display panel and the usage power consumption.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: March 27, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xinhui Zhong, Yungjui Lee
  • Patent number: 9875684
    Abstract: The present disclosure provides an array substrate including a plurality of subpixel array arranged in a matrix form. Each subpixel array may include a first subpixel, a second subpixel, a third subpixel, a first gate line for controlling the first subpixel, a second gate line for controlling the second subpixel, a third gate line for controlling the third subpixel, a first data line and a second data line. The first subpixel may be arranged between the first gate line and the second gate line. The second subpixel and the third subpixel may be arranged between the first gate line and the second gate line. The first subpixel, the second subpixel and the third subpixel may be arranged between the first data line and the second data line adjacent to each other. The first subpixel and the second subpixel may share the first data line, or the first subpixel and the third subpixel may share the second data line.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: January 23, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zhaohui Meng
  • Patent number: 9865666
    Abstract: An organic EL display device includes: a display area and an inspection area. The display area includes a plurality of first electrodes each provided in the pixel, a light-emitting organic layer formed in the light-emitting areas and formed of a plurality of organic material layers including a light-emitting layer, and a second electrode formed to cover the display area. The inspection area includes an inspection first electrode electrically formed as at least one block in the inspection area, an inspection organic layer formed of at least one organic material layer of the plurality of organic material layers and being in contact with the inspection first electrode, and an inspection second electrode formed in contact with the inspection organic layer.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: January 9, 2018
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Masamitsu Furuie, Naoki Uetake
  • Patent number: 9846331
    Abstract: A liquid crystal display includes a first panel including a first electrode, which includes side electrodes in edge areas of a pixel, a central electrode connected to the side electrodes and disposed in a central area of the pixel, and fine branches, some of which are connected to the side electrode, a second panel in which a cutout, which corresponds to the first electrode and divides the fine branches, the central electrode and the side electrode into domains is defined, and which includes a second electrode, which is separated by the cutout and corresponds to each of the domains, where second slit patterns, which are provided by partially cutting out ends of the fine branches, separate the side electrodes and the fine branches from each other, and extend in parallel to a longitudinal direction of the side electrodes are defined in the first panel.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: December 19, 2017
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Se Hyun Lee, Cheol Shin, Hak Sun Chang, Ki Chul Shin
  • Patent number: 9799267
    Abstract: Provided is an active matrix display device using an organic EL panel including: a plurality of pixel circuits each including an organic light emitting diode arranged in a pixel region of the organic EL panel and a plurality of transistors configured to drive the organic light emitting diode; a plurality of scanning lines arranged along a first direction in the organic EL panel; and a plurality of data lines arranged along a second direction that is orthogonal to the first direction. In at least one set of pixel circuits that are adjacent in the first direction, gate electrodes and impurity diffusion regions of the plurality of transistors have an axisymmetric layout. Gate electrodes of at least one set of transistors that are symmetrically arranged in the at least one set of pixel circuits are integrated.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 24, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Takeshi Nomura
  • Patent number: 9778526
    Abstract: A pixel array includes pixel rows. Each pixel row includes a first gate line, a second gate line, sub-pixels and data lines. Each data line includes a main portion, a branch portion and a connecting portion. The main portions of the data lines are arranged along a second direction in sequence. The branch portions and the main portions of the data lines are arranged alternately along the second direction in sequence, and each sub-pixel is disposed between any two of the adjoining main portion and branch portion. The connecting portion of each of the data lines is disposed between the first gate line and the second gate line, the connecting portion of each data line is electrically connected with the main portion and the branch portion of each data line, and the connecting portion of each data line penetrates through the corresponding sub-pixel along the second direction.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: October 3, 2017
    Assignee: AU OPTRONICS CORP.
    Inventors: Shiuan-Hua Huang, Jian-Hong Lin
  • Patent number: 9766510
    Abstract: The present invention provides a pixel unit and an array substrate. The pixel electrode includes four branch sections to divide the pixel zone into four display domains, helping improve the large angle color shifting problem of a display product and also simplifying the structure of the pixel electrode and making the manufacturing process simple, and facilitating the production of large-size wide-angle display products. The array substrate of the present invention is composed, in the horizontal direction, of multiple pixel units. The pixel units each include a pixel electrode that includes four branch sections to divide the pixel zone into four display domains, helping improve the large angle color shifting problem of a display product, and the pixel electrode has a simple structure to simplify the manufacturing process and facilitate the production of large-size wide-angle display products.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: September 19, 2017
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lin Meng
  • Patent number: 9759960
    Abstract: A display panel including a first polarizer, a second polarizer, a first substrate, a second substrate, a liquid crystal layer, and a pixel array is provided. The pixel array disposed on the first substrate includes a pixel area wherein a pixel electrode is disposed. The pixel electrode includes a first main electrode, a second main electrode, which substantially perpendicularly intersecting for defining a first domain, a second domain, a third domain, and a fourth domain of the pixel area, and a plurality of branch electrodes separately connected to the first or the second main electrode. When a maximum voltage is applied to the display panel, the liquid crystal layer has an average Azimuthal Angle represented as y1, satisfying B1<y1<A1, A1=0.0000025x3?0.0013716x2+0.1847682x+41.6722409, and B1=?0.00001x3+0.003335x2?0.387814x+52.96697; wherein x represents the pixel per inch of the display panel.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: September 12, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Hsin-Yu Lee, Ching-Che Yang, Chen-Kuan Kao, Kuei-Ling Liu
  • Patent number: 9720291
    Abstract: A liquid crystal display includes: a first substrate; a gate line disposed on the first substrate; an insulating layer disposed on the gate line; and first and second subpixel electrodes respectively including pixel branch electrodes, wherein the first and second subpixel electrodes respectively comprise first and second regions, the first and second regions of the first subpixel electrode have a polygonal shape where two sides meet in a diagonal line, and one of sides of the polygon, excluding the diagonal line, is perpendicular to the gate line, the first and second regions of the second subpixel electrode have grooves disposed at one of sides thereof corresponding to the shape of the first subpixel electrode, the first and second regions of the first subpixel electrode are connected with each other, and the first and second regions of the second subpixel electrode are connected with each other.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: August 1, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Ki Chul Shin, Dan Bi Yang
  • Patent number: 9715847
    Abstract: The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; implementing block detection to the image pixels of the image to display to determine dimensions of color blocks where the image pixels are; respectively setting block weights for the respective image pixels according to the dimensions of the color blocks; implementing the color washout compensation to the image to display according to the block weight; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention can reduce the color washout under large view angle to promote the display effect of the large view angle.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 25, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-wei Chu, Jhen-wei He
  • Patent number: 9709848
    Abstract: A pixel of a transflective liquid crystal display panel having a controllable backlight comprises an array of sub-pixels and a color substrate with an array of colors corresponding to the array of sub-pixels, the array of colors comprising transmissive colors and reflective colors. The color substrate transmits at least one wavelength of light corresponding to the transmissive colors in the array of colors when the controllable backlight emits a first predetermined light level and, from substantially the same area in the color substrate, reflects at least one wavelength of light corresponding to the reflective colors in the array of colors when the controllable backlight emits a second predetermined light level. The transmissive colors may be primary or secondary colors, and the reflective colors may be primary or secondary colors.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: July 18, 2017
    Assignee: Amel Technology, LLC
    Inventor: Nathanael Neveux
  • Patent number: 9685468
    Abstract: The present invention provides a color filter substrate, a display device and a detection method thereof, aims to solve the problems of difficulty in failure positioning and low detection efficiency in existing display panels. The color filter substrate comprises a plurality of sub-pixels arranged in an array, each of the sub-pixels is provided with a color filter, and at least a part of columns of sub-pixels are marked column of sub-pixels. The shapes of the color filters of a part of sub-pixels of the marked column of sub-pixels are different from those of the remaining sub-pixels. The display device comprises the above-mentioned color filter substrate. The color filter substrate can be used in the display device, particularly suitable for the display device which adopts double side GOA circuits.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: June 20, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tiansheng Li, Zhenyu Xie
  • Patent number: 9613588
    Abstract: An image device with improved chrominance quality includes a plurality of RGBW pixels, a plurality of RGBY pixels, and a plurality of RBGB pixels. Each RGBW pixel includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel. Each RGBY pixel includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a yellow sub-pixel. Each RBGB pixel includes a red sub-pixel, a green sub-pixel, and two blue sub-pixels. At least one row or at least one column comprises sub-pixels of having a same first color. The RGBW pixels, RGBY pixels, and RBGB pixels are mixed in the image device. The image device can solve the problem of dark yellow in the conventional RGBW display while achieving a white balance status. As a result the chrominance quality is improved.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: April 4, 2017
    Assignee: VP ASSETS LIMITED
    Inventors: Gia Chuong Phan, Maggie Phan, Anthony Phan
  • Patent number: 9569988
    Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: February 14, 2017
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Matsui, Akira Sakaigawa, Masaaki Kabe, Kenta Seki
  • Patent number: 9552757
    Abstract: The invention provides an image device with improved chrominance quality. The image device includes a plurality of RGBW pixels, a plurality of RGBY pixels, and a plurality of RBGB pixels. Each RGBW pixel includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel. Each RGBY pixel includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a yellow sub-pixel. Each RBGB pixel includes a red sub-pixel, a green sub-pixel, and two blue sub-pixels. The RGBW pixels, RGBY pixels, and RBGB pixels are mixed in the image device. The image device of the present invention can solve the problem of dark yellow in the conventional RGBW display while achieving a white balance status. As a result the chrominance quality is improved.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: January 24, 2017
    Assignee: VP ASSETS LIMITED
    Inventors: Gia Chuong Phan, Maggie Phan, Anthony Phan
  • Patent number: 9541804
    Abstract: A liquid crystal display including: a lower electrode; an upper electrode facing the lower electrode; and a liquid crystal layer disposed between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned perpendicular to surfaces of the lower electrode and the upper electrode, wherein the lower electrode includes a center electrode disposed at the center thereof, a first cutout disposed at the center of the center electrode, and a plurality of minute branches disposed extending outwardly from a side edge of the center electrode, and the upper electrode includes a second cutout disposed between the minute branches and the first cutout, a third cutout connected to upper and lower vertices of the second cutout to form a boundary among a plurality of sub-regions together with the first cutout and a fourth cutout connected to left and right vertices of the second cutout.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyun Lee, Jang Wi Ryu, Ki Chul Shin, Cheol Shin, Hak Sun Chang
  • Patent number: 9519191
    Abstract: A liquid crystal panel and an array substrate are disclosed. The array substrate includes a plurality of pixel cells. Pixel electrodes of each of the pixel cells connect to at least one scanning line and two data lines correspondingly. The two data lines are parallel and spaced apart from each other, and each of the pixel cells is arranged symmetrically along an axis parallel to the two data lines. In this way, the ports corresponding to the intersection of the scanning lines and the adjacent data lines are at the same height to ensure that the pixel cells may be precisely engaged with each other so as to enhance the flexibility of the pixel arrangement.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: December 13, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Hua Zheng
  • Patent number: 9477119
    Abstract: The array substrate according to the present disclosure may include gate lines, data lines, pixel units defined by the gate lines and the data lines, and an alignment film formed above the pixel units. The gate lines may extend in a horizontal direction, and a rubbing direction of the alignment film may be angled relative to a longitudinal direction at a first non-zero angle ?.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: October 25, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuanhui Guo, Feng Qin
  • Patent number: 9466654
    Abstract: An organic light emitting display device is provided having first and second pixel areas. The organic light emitting display device includes a first substrate; a second substrate facing the first substrate; a bank layer on the first substrate at a boundary region between the first and second pixel areas; a light emitting layer on the first substrate within the first pixel area; a light shielding layer on the second substrate at the boundary region between the first and second pixel areas; and a color filter on the second substrate within the first pixel area. A top of the bank layer is higher than a top of the light emitting layer with respect to the first substrate, and a top of the light shielding layer is higher a top of the color filter with respect to the second substrate.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: October 11, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jaewoon Baek, Samyul Boo
  • Patent number: 9448453
    Abstract: A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: September 20, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung-Ho Park, Bo-Yeong Kim, Jae-Won Kim, Byoung-Sun Na, Hyung-Jun Park, Dong-Hyun Yoo, Kye-Uk Lee
  • Patent number: 9423607
    Abstract: An array of electrowetting elements comprising: a first electrowetting element with a first subpixel and a second subpixel, and a second electrowetting element with a third subpixel and a fourth subpixel. The first subpixel and the third subpixel are located on a first column axis having a column axis angle offset substantially 45° from a predetermined display horizon.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: August 23, 2016
    Assignee: Amazon Technologies, Inc.
    Inventors: Petrus Maria De Greef, Gor Manukyan
  • Patent number: 9417488
    Abstract: A liquid crystal display includes: a flexible first substrate; a pixel electrode positioned on the first substrate and including an outer stem with a quadrangular shape, a crossed-shape stem including a transverse stem positioned inside the outer stem and a longitudinal stem crossing the transverse stem, and a plurality of minute branches extending from the outer stem and the crossed-shape stem; a flexible second substrate facing the first substrate; a common electrode positioned on the second substrate; and a liquid crystal layer including liquid crystal molecules interposed between the first substrate and the second substrate. An angle formed by minute branches of one sub-region of the pixel electrode positioned at second, third and fourth zones and the transverse stem is smaller than an angle formed by minute branches of three other sub-regions of the pixel electrode positioned at the second, third, and fourth zones and the transverse stem.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: August 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Won Kim, Oh Jeong Kwon, Hyeok Jin Lee, Ki Chul Shin
  • Patent number: 9411206
    Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: August 9, 2016
    Assignee: SAMSUNG DISPLAY 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: 9349330
    Abstract: The invention provides a pixel structure, including a plurality of pixel units; each pixel unit including: a first, second and third pixel areas, adjacently disposed. First pixel area includes first pixel electrode and first control switch. Second pixel area includes second pixel electrode and second control switch. Third pixel area includes third pixel electrode and third control switch. Third pixel electrode is connected to data signal sequentially through third and the second control switches. Third pixel electrode is connected to second pixel electrode through third control switch so as to make the voltage level at first pixel electrode different from voltage level at second pixel electrode when first control switch, second control switch and third control switch are all conductive.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 24, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Xiaohui Yao, Je-hao Hsu
  • Patent number: 9323120
    Abstract: A liquid crystal panel includes a plurality of main pixels, which may include main pixels having bright spot defects to be repaired. Each of the main pixels is of a charge-share pixel structure and the main pixel includes first and second voltage-division capacitors, which are connected in series. The first voltage-division capacitor includes first and second metal layers that are opposite to each other. The second voltage-division capacitor includes third and fourth metal layers that are opposite to each other. The first metal layer and the second metal layer of the first voltage-division capacitor of the main pixels to be repaired are additionally soldered together and the third metal layer and the fourth metal layer of the second voltage-division capacitor of the main pixels to be repaired are additionally soldered together thereby shorting the first and second voltage-division capacitors to achieve an effect of dark spot repair.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: April 26, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Dongzi Gao, Mei Xiong, Zhicheng Liu
  • Patent number: 9281352
    Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes: an emission unit including an organic light emitting diode, a pixel circuit unit including: a circuit configured to drive the emission unit, and a line configured to apply a signal to the circuit, and a light blocking layer covering the pixel circuit unit, and configured to block light input to the pixel circuit unit, and a repair part disposed in the light blocking layer, the repair part being configured for repairing the line when a defect occurs in a pixel that includes the pixel circuit unit.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: March 8, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Hee Dong Choi, Sung Jin Hong, Soon Il Yun, Il Gi Jeong, Joong Sun Yoon, Kyungsu Lee, Seung-Yong Yang
  • Patent number: RE46025
    Abstract: To reduce viewing angle dependence of ? characteristics in a normally black liquid crystal display. Each pixel 10 has a first sub-pixel 10a and a second sub-pixel 10b which can apply mutually different voltages to their respective liquid crystal layers. Relationships ?V12 (gk)>0 volts and ?V12 (gk)??V12 (gk+1) are satisfied at least in a range 0<gk?n?1 if it is assumed that ?V12=V1?V2, where ?V12 is the difference between root-mean-square voltage V1 applied to the liquid crystal layer of the first sub-pixel 10a and root-mean-square voltage V2 applied to the liquid crystal layer of the second sub-pixel 10b.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: June 7, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Fumikazu Shimoshikiryo