Matrix Electrodes Patents (Class 349/143)
  • Patent number: 11940700
    Abstract: The present disclosure relates to an array substrate, a display panel, and a display device. The array substrate comprises a display area and a non-display area surrounding the display area; wherein: the display area includes gate lines and data lines, and a plurality of pixel units defined by the intersections of gate lines and data lines, each of the pixel units including a thin film transistor and a pixel electrode electrically connected to a drain electrode of the thin film transistor; the non-display area includes a plurality of dummy pixel units arranged around the display area, each of the dummy pixel units including a dummy thin film transistor and a dummy pixel electrode floating relative to a drain electrode of the dummy thin film transistor; the non-display area further includes a dummy common electrode structure electrically connected to at least some of the dummy pixel units.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: March 26, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Hui Li
  • Patent number: 11886080
    Abstract: A liquid crystal display is provided and includes first substrate; data and gate lines on first substrate; first electrode arranged over data and gate lines; insulating layer on first electrode; second electrode on insulating layer including connection electrode, wherein projection electrodes connected to connection electrode; second substrate; black matrix on second substrate including first black matrix with a constant width, a second black matrix; and liquid crystal layer sandwiched between first and second substrates, wherein width of first black matrix is wider than width of second black matrix, where second black matrix overlaps connection electrode so as to dispose connection electrode inside of second black matrix in plan view.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: January 30, 2024
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 11869903
    Abstract: A method of manufacturing a display apparatus includes forming a first conductive layer on a base substrate including a panel area and a margin area disposed next to the panel area, the margin area including a dummy pattern area, forming a photoresist layer on the first conductive layer, forming a photoresist pattern by exposing and developing the photoresist layer, forming a first conductive pattern by etching the first conductive layer using the photoresist pattern, and removing the photoresist pattern. The forming the first conductive pattern includes forming a first pixel circuit pattern in the panel area, and forming a dummy pattern in the dummy pattern area of the margin area. An opening ratio of a portion where the dummy pattern is not formed with respect to the dummy pattern area is about 30% or more.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jonghee Park, Jin Seock Kim
  • Patent number: 11789323
    Abstract: A liquid crystal display device includes: first and second substrates; a liquid crystal layer interposed between the first and second substrates; a switching element provided on the first substrate; a first pixel electrode provided on the first substrate and electrically connected to a drain electrode of the switching element; an insulating film provided on the first pixel electrode; and a common electrode provided on the insulating film and including a first slit. The first pixel electrode extends in a first direction. The first slit extends in the first direction and is located above the first pixel electrode. In a planar view, both edges of the first pixel electrode in a second direction intersecting the first direction are located inside the first slit.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: October 17, 2023
    Assignee: TOPPAN INC.
    Inventors: Yayoi Nakamura, Kunpei Kobayashi
  • Patent number: 11774805
    Abstract: A liquid crystal apparatus includes a first pixel electrode in a display region, and a second pixel electrode and a circuit such as a scan line driving circuit outside the display region. A TFT provided corresponding to the second pixel electrode is separated from the circuit, and the second pixel electrode extends to the region that overlaps the circuit.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: October 3, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Daisuke Miyawaki
  • Patent number: 11768415
    Abstract: A display device including a pixel electrode disposed in an opening area; a common electrode of which at least a region is disposed to be overlapped with the pixel electrode; a gate line extending along a first direction in a non-opening area surrounding the opening area and transmitting a gate signal to the pixel electrode; a data line extending along a second direction different from the first direction in the non-opening area, and transmitting a data signal to the pixel electrode; and a dummy line disposed to be overlapped with the data line in the non-opening area and electrically connected to the common electrode.
    Type: Grant
    Filed: September 12, 2022
    Date of Patent: September 26, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jinuk Lee, Il Park
  • Patent number: 11747661
    Abstract: A display panel and a display apparatus are provided in the present disclosure. The display panel includes a plurality of pixel units. At least one pixel unit includes a display region and an anti-peep region. The anti-peep region includes a first light-blocking layer and a second light-blocking layer; and along a direction perpendicular to the light-exiting surface of the display panel, a distance between the first light-blocking layer and the second light-blocking layer is greater than zero. The first light-blocking layer includes at least one first light-blocking strip and at least one first opening. The second light-blocking layer includes at least one second light-blocking strip and at least one second opening. A vertical projection of a first or second opening on the light-exiting surface of the display panel is within a vertical projection of a corresponding first or second light-blocking strip on the light-exiting surface of the display panel.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: September 5, 2023
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Wenqi Zhou, Yan Yang, Ting Zhou, Junyi Li
  • Patent number: 11726366
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: August 15, 2023
    Assignee: SATURN LICENSING LLC
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Patent number: 11714319
    Abstract: The disclosure provides a display device and a method for manufacturing the same. The display device includes: an array substrate, an opposite substrate and a liquid crystal layer between the array substrate and the opposite substrate. The array substrate includes a first base, and a first electrode and a second electrode of each of the plurality of sub-pixels, the first electrode and the second electrode being located on a side of the first base proximal to the liquid crystal layer; and the opposite substrate includes: a second base and an interference electrode of each of the sub-pixels, the interference electrode is located on a side of the second base proximal to the liquid crystal layer, orthographic projections of the interference electrode of each sub-pixel and the second electrode of said each sub-pixel on the first base at least partially overlaps.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: August 1, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Chen, Xinxia Zhang, Fengzhen Lv
  • Patent number: 11703705
    Abstract: A liquid crystal display panel includes a first transparent glass layer; a second transparent glass layer overlapping the first transparent glass layer; two or more pixel units disposed on a side of the first transparent glass layer opposite to the second transparent glass layer, each of the pixel units including a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel arranged in accordance with a predetermined rule; a black matrix disposed between the pixel units to isolate two pixel units adjacent to each other; and a fingerprint sensor disposed on the second transparent glass layer, and covered by the black matrix; when the fingerprint sensor is viewed from the top, an area of the fingerprint sensor corresponding to a region of the red sub-pixels is larger than any one of areas of the fingerprint sensors corresponding to respective regions of the green, blue, and white sub-pixels.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: July 18, 2023
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Chih-jen Cheng, Che-jui Hsu, Tsang-chih Wu
  • Patent number: 11670238
    Abstract: A display apparatus includes a substrate including a trench portion, a display area, and a non-display area. The non-display area includes a first non-display area. The display area includes a main area and first and second display areas protruding from the main area. The first non-display area and the trench portion are between the first and second display areas. The display apparatus further includes: first scan lines transmitting scan signals to pixels in the first display area; second scan lines transmitting scan signals to pixels in the second display area; connection scan lines in the first non-display area and connecting the first scan lines and the second scan lines; and driving voltage lines transmitting driving voltages to pixels in the main area. A plurality of first driving voltage lines among the driving voltage lines extend to the first non-display area, and overlap the plurality of connection scan lines.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: June 6, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeonghun Kim, Byeongguk Jeon
  • Patent number: 11653535
    Abstract: A display panel includes a substrate including a transmissive area, a first non-display area surrounding the transmissive area, and a display area at least partially surrounding the first non-display area; display elements in the display area and each including a pixel electrode; scan lines in the display area, at least one of which extending through the first non-display area and detouring along an edge of the transmissive area; a connection line in the first non-display area and at least partially overlapping at least one of the scan lines, and on a first layer that is a same layer as the pixel electrode; a first line on a second layer different from the first layer; and a second line on a third layer different from the first layer and at an opposite side with respect to the first line.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yujin Jeon, Daesuk Kim, Sukyoung Kim, Seungwoo Sung, Wonse Lee, Hyunji Cha
  • Patent number: 11574593
    Abstract: A light emitting display panel having a high resolution is provided. The light emitting display panel includes a plurality of pixels. Each of the plurality of pixels includes a first pixel circuit layer, a second pixel circuit layer, and a light emitting device layer. The first pixel circuit layer includes a first pixel circuit that includes a first layer electrode. The second pixel circuit layer includes a second pixel circuit that includes a second layer electrode which configures a first capacitor along with the first layer electrode. The light emitting device layer includes a light emitting device electrically connected to a driving transistor provided in the second pixel circuit layer.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: February 7, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: JeongHyeon Choi, Sul Lee, Eunil Cho
  • Patent number: 11569272
    Abstract: An array substrate and a display panel are provided. The array substrate includes a data line, a thin film transistor having a gate and a source, a source wire, and a scan line. The source wire includes a predetermined breaking part configured to be cut off to break an electrical connection between the source and the data line. The scan line and the predetermined breaking part have a first predetermined distance in-between, and the first predetermined distance is used to prevent the scan line and the data line from forming a short circuit when a fixing operation is being performed.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 31, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventor: Deli Zhou
  • Patent number: 11527556
    Abstract: Disclosed are an array substrate and a display device. The array substrate includes: a plurality of sub-pixel elements in an array, wherein each row of sub-pixel elements includes a common electrode; the common electrode includes a plurality of sub-common electrodes, each of which corresponds to one of the sub-pixel elements; the sub-common electrode includes a body connection section, a plurality of comb teeth connected with the body connection section, and a shielding section connected with the body connection section, wherein the first comb teeth and the shielding section are on the same side of the body connection section, and the shielding section is on the outermost side of the first comb teeth; and the body connection sections of two adjacent sub-common electrodes in the common electrode are on two opposite sides. The body connection sections of two adjacent sub-common electrodes in each common electrode are arranged on two opposite sides.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: December 13, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pan Li, Xinyin Wu, Yong Qiao
  • Patent number: 11520189
    Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: December 6, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Sheng-Ju Ho, Cheng-Han Tsao, Shang-Jie Wu, Yi-Jung Chen, Hung-Che Lin, Shun-Ling Hou, Nai-Wen Chang
  • Patent number: 11520192
    Abstract: The present disclosure relates to an array substrate. The array substrate may include a base substrate; a first electrode layer on the base substrate, and at least one connection electrode at a periphery of the first electrode unit. The first electrode layer may include a plurality of first electrodes, each of the plurality of first electrodes may include at least one first electrode unit, the first electrode unit may include a plurality of strip electrodes, and a plurality of slits are between the plurality of strip electrodes. The plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: December 6, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Yajie Bai, Ruilin Bi
  • Patent number: 11487168
    Abstract: A liquid crystal panel and a display device are disclosed. The liquid crystal panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first base substrate, and a pixel electrode and a common electrode provided on the first base substrate. The second substrate is opposed to the first substrate and includes a second base substrate. The liquid crystal layer is provided between the first substrate and the second substrate in a direction perpendicular to the first base substrate. An initial alignment of liquid crystal in the liquid crystal layer is vertical alignment.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: November 1, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Meina Yu, Hyun Sic Choi, Pengxia Liang, Xiaochuan Chen, Zheng Fang, Xue Dong
  • Patent number: 11474404
    Abstract: A display device including a pixel electrode disposed in an opening area; a common electrode of which at least a region is disposed to be overlapped with the pixel electrode; a gate line extending along a first direction in a non-opening area surrounding the opening area and transmitting a gate signal to the pixel electrode; a data line extending along a second direction different from the first direction in the non-opening area, and transmitting a data signal to the pixel electrode; and a dummy line disposed to be overlapped with the data line in the non-opening area and electrically connected to the common electrode.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: October 18, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jinuk Lee, Il Park
  • Patent number: 11450290
    Abstract: A pixel structure, a display panel and a display device are disclosed. The pixel structure includes: a first subpixel, including a first horizontal trunk line and a first domain line that form a first angle; and a second subpixel, including a second horizontal trunk line and a second domain line that form a second angle.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: September 20, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yanna Yang
  • Patent number: 11450547
    Abstract: A semiconductor device of an embodiment is manufactured by forming a first layer by applying a liquid containing silicon oxide particles onto a first substrate, performing a first heat treatment, forming a second layer including a first insulator on the upper surface and the side surfaces of the first layer, forming a third layer including an electronic circuit on the second layer, bonding a second substrate including a semiconductor circuit to the third layer, and separating the first substrate and the second substrate at the first layer.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: September 20, 2022
    Assignee: KIOXIA CORPORATION
    Inventor: Shinichi Nakao
  • Patent number: 11424294
    Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of sub-pixel units arranged in an array which includes N rows and 4M columns, sub-pixel units in each row is divided into a plurality of sub-pixel unit groups, and each sub-pixel unit group includes a first sub-pixel unit, a second sub-pixel unit, a third sub-pixel unit and a fourth sub-pixel unit which are sequentially in four adjacent columns along a first direction.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: August 23, 2022
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
  • Patent number: 11415849
    Abstract: A display panel includes scanning lines, data lines, and pixel areas. A plurality of the scanning lines are parallelly disposed along a first direction of the display panel. A plurality of the data lines are parallelly disposed along a second direction of the display panel. Each pixel area is controlled by three adjacent data lines and two adjacent scanning lines to display. Each pixel area includes a base sub-pixel and a matching sub-pixel. The base sub-pixel includes three base unit pixels, and the scanning lines corresponding to each pixel area include a first scanning line and a second scanning line. The first scanning line is coupled with the three base unit pixels, and the second scanning line is coupled with the matching sub-pixel. The matching sub-pixel shares one data line with at least one base unit pixel.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 16, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Huai Liang He
  • Patent number: 11404013
    Abstract: An electrophoretic display having a plurality of display pixels, each of the plurality of display pixels may include a pixel electrode for driving the display pixel, a single thin film transistor (TFT) coupled to the pixel electrode for transmitting waveforms to the pixel electrode, a front plane laminate (FPL) coupled to the single thin film transistor, and a storage capacitor coupled to the pixel electrode and placed in parallel with the FPL, where the storage capacitor is configured to be sufficiently ohmically conductive to allow the discharge of remnant voltages from the FPL through the storage capacitor.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: August 2, 2022
    Assignee: E Ink Corporation
    Inventors: Pierre-Yves Emelie, Teck Ping Sim, Kenneth R. Crounse, Karl Raymond Amundson, Chih-Hsiang Ho, Aaron Chen
  • Patent number: 11315957
    Abstract: A light emitting display apparatus is disclosed. The light emitting display apparatus includes: a substrate; and a plurality of pixels disposed on a pixel area on the substrate. Each of the plurality of pixels includes: a first circuit layer including a first pixel circuit including a driving transistor; a second circuit layer overlapping the first circuit layer, wherein the second circuit layer includes a second pixel circuit including a data supply transistor configured to supply a data signal to the first pixel circuit; a circuit insulating layer between the first circuit layer and the second circuit layer; and a light emitting diode layer including a light emitting diode electrically connected with the first pixel circuit.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: April 26, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sul Lee, Dongwook Choi, Minki Kim
  • Patent number: 11288999
    Abstract: Disclosed is a display device for increasing an aperture ratio of a transmissive part. The display device includes data lines overlapping with one or more of the pixels emitting light to display an image. Each pixel includes subpixels arranged within the pixel along a same direction as the data lines. The display device further includes transmissive parts arranged in the first direction and corresponding to adjacent pixels. In addition to the data lines overlapping the pixels, the display device may include power lines and reference voltage lines parallel with the data lines and overlapping with the pixels. The display device may include scan lines and sensing lines arranged to cross the transmissive parts and data lines. As a result, the number of lines crossing the transmissive parts is reduced, thereby increasing an aperture ratio of the transmissive parts.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: March 29, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Hyeon Choi, Binn Kim, Joon Soo Han
  • Patent number: 11281035
    Abstract: An electronic device is provided. The electronic device includes a display including a sensor area in at least a part of the display, a sensor module disposed under the sensor area, and a processor operatively connected with the display and the sensor module. The display includes a screen area surrounding the sensor area. At least one pixel electrode included in the sensor area is disposed differently from pixel electrodes included in the screen area.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: March 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Songhee Jung, Silkyu Lim, Sungyoung Shin, Hyunchang Shin, Kwangtai Kim, Donghyun Yeom
  • Patent number: 11252822
    Abstract: A flexible printed circuit (FPC) board includes a base film, a pair of traces and a chip. The pair of traces are disposed on the base film, and each trace has opposite first and second terminals. The chip is disposed on the base film and has pins that are respectively coupled to the first terminals of the traces. When the FPC board is bonded to a panel through the second terminals of the traces that are shorted to each other, the chip is configured to transmit a detection signal through one of the pins and receive a reception signal through the other of the pins, and to determine whether the FPC board works normally with the panel depending on the reception signal.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: February 15, 2022
    Assignee: Himax Technologies Limited
    Inventor: Hsuan-Ching Liu
  • Patent number: 11238777
    Abstract: A display apparatus includes a plurality of pixels arranged in rows and columns with a plurality of gate lines extending in a first direction and connected to the pixels, and a plurality of data lines connected to the pixels. In the display apparatus, certain data lines disposed between pixels are arranged in a first row to an e-th row with such data lines including a plurality of column data lines extending in a second direction crossing the first direction and a plurality of row data lines extending in the first direction. The row data lines are electrically connected to the column data lines. The column data lines extend in the second direction between pixels arranged in the e-th row to an f-th row, where e and f are natural numbers and f is equal to or greater than e.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il-joo Kim, Mukyung Jeon, Ansu Lee
  • Patent number: 11227531
    Abstract: A display device includes: a substrate including a first pixel area, a second pixel area having a smaller area than the first pixel area and connected to the first pixel area, and a peripheral area surrounding the first pixel area and the second pixel area; a first pixel provided in the first pixel area and a second pixel provided in the second pixel area; a first line connected to the first pixel and a second line connected to the second pixel; a dummy part disposed in the peripheral area, overlapping at least one of the first line and the second line and providing a parasitic capacitance that compensates for a difference in a load value between the first line and the second line; and a power supply line provided in the first and second pixel areas. The dummy part includes an insulating layer having at least one contact hole.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: January 18, 2022
    Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
  • Patent number: 11215890
    Abstract: An array substrate is provided. The array substrate includes: a base substrate which is provided with a plurality of sub-pixel regions arranged in multiple rows and columns; a plurality of data lines located on the base substrate, each of the plurality of data lines corresponding to at least one of any column of the sub-pixel regions, any row of the sub-pixel regions including a plurality of sub-pixel region pairs, each of the plurality of sub-pixel region pairs including two adjacent sub-pixel regions, any two of the plurality of sub-pixel region pairs including different sub-pixel regions, and two data lines corresponding to the two sub-pixel regions being located at different sides of the two sub-pixel regions in a row direction; and a common electrode and a plurality of pixel electrodes located on the base substrate.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: January 4, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenhua Song, Bo Shi, Shaning Yan, Shiqi Chen, Limiao Wang
  • Patent number: 11209712
    Abstract: To miniaturize an illumination device while meeting requirements of angle characteristics of a liquid crystal panel. A light source 31b is arranged above an outer end portion side of a liquid crystal panel 31d that is positioned radially outward of an illumination housing. A relative position between the liquid crystal panel 31d and the light source 31b is set such that light emitted from the light source 31b is incident within an effective angle range of the liquid crystal panel 31d.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 28, 2021
    Assignee: KEYENCE CORPORATION
    Inventor: Hajime Matsuda
  • Patent number: 11195437
    Abstract: A flexible display device, which at least includes a plurality of bonding pins. A plurality of first bonding pins are disposed on an interlayer between a TFT array substrate and a color film substrate, and the plurality of the first bonding pins respectively extend to a first lateral surface of the TFT array substrate and a first lateral surface of the color film substrate; a plurality of second bonding pins are used for bonding with a first flexible circuit board and are partially disposed on a bottom surface of the TFT array substrate; and a plurality of third bonding pins are used for bonding with a second flexible circuit board and are partially disposed on an upper surface of the color film substrate.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: December 7, 2021
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yingbo Zheng
  • Patent number: 11112659
    Abstract: An array substrate includes a display region and a wiring region. The wiring region includes a plurality of sets of signal line leads and a plurality of wiring regions, and a same set of signal line leads extends to a same bonding region disposed in the wiring region. The wiring region further includes at least one auxiliary wiring structure. Each auxiliary wiring structure is disposed between adjacent two sets of signal line leads and includes a peripheral closed wiring loop. Each peripheral closed wiring loop includes a plurality of corner portion, and a shape of at least one corner portion proximate to the display region is a curve.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: September 7, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guohua Wang, Wenming Ren, Fei Gao
  • Patent number: 11106097
    Abstract: According to one embodiment, a liquid crystal display apparatus includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a gate wiring, a source wiring, an insulating film, a shield electrode, a primary pixel electrode, a peripheral wiring and a peripheral connecting electrode. The shield electrode is opposite to at least a portion of the gate wiring and the source wiring. The peripheral connecting electrode electrically connects the shield electrode and the peripheral wiring. The second substrate includes a pair of primary common electrodes.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: August 31, 2021
    Assignee: Japan Display Inc.
    Inventor: Yuji Sato
  • Patent number: 11086172
    Abstract: A pixel unit, a display panel and a display device are provided. The pixel unit includes: a first sub-pixel, comprising a first sub-region and a second sub-region; and a second sub-pixel, disposed adjacent to the first sub-pixel and comprising a third sub-region and a fourth sub-region; wherein the first sub-region is disposed adjacent to the third sub-region, and the second sub-region is disposed adjacent to the fourth sub-region; wherein a divided voltage of the first sub-region is same as a divided voltage of the third sub-region; the divided voltage of the first sub-region, a divided voltage of the second sub-region and a divided voltage of the fourth sub-region are different from one another. The pixel unit of the embodiment is advantageous for improving the washout and color shift problem of a larger side view angle and improving the optical characteristics of the viewing angle.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 10, 2021
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Zhuo Li, Boqin Cui
  • Patent number: 11016331
    Abstract: A display panel includes an upper display substrate and a lower display substrate. The upper display substrate includes a base substrate, a first partition wall on the base substrate, overlapping the light blocking area, and configured to define first, second, and third internal regions corresponding to the first, second, and third pixel areas, a second partition wall extending from the first partition wall, overlapping at least one area of the first, second, and third pixel areas, and configured to partition a region corresponding to the at least one area into partial regions, and first, second, and third color control layers respectively located in the first, second, and third internal regions.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: May 25, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-hun Lee, Min-jae Kim, Min-hee Kim, Taehoon Kim, Kyunghae Park, Joon-hyoung Park, Danbi Yang
  • Patent number: 11003012
    Abstract: A liquid crystal display (LCD) device, comprising: a substrate, gate wiring including a gate line that is disposed on the substrate to extend in a first direction and a gate electrode that is connected to the gate line, a data conductor disposed on the gate wiring and including a data line that extends in a second direction different from the first direction, and a first electrode that overlaps the gate electrode, a common electrode disposed on the data conductor and including a first opening that partially exposes the first electrode therethrough, an opaque conductive pattern disposed on the common electrode; and a pixel electrode disposed on the opaque conductive pattern and electrically connected to the first electrode exposed through the first opening.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: May 11, 2021
    Inventors: Jeong Ho Lee, Dong Wook Kim, Su Jin Lee, Jean Ho Song
  • Patent number: 10964771
    Abstract: A display panel including a substrate including a display area surrounding an opening area and a non-display area between the opening area and the display area; a plurality of display elements on the display area; a plurality of scan lines extending in a first direction and detouring around an edge of the opening area; a plurality of data lines extending in a second direction that intersects with the first direction, the plurality of data lines detouring around the edge of the opening area; and a plurality of emission control lines extending in the first direction and detouring around the edge of the opening area.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minku Lee, Jihyun Ka, Kwangsae Lee
  • Patent number: 10950170
    Abstract: A display panel, a driving method thereof, and a display device. The display method includes: upon displaying each frame, determining an initial gray scale value corresponding to each sub-pixel according to image data corresponding to the frame; controlling display brightness of the sub-pixels in the second display region and the third display region according to the initial gray scale values corresponding to the sub-pixels, and reducing a display brightness difference between the sub-pixels in the second display region and the sub-pixels in the third display region so as to enhance the brightness uniformity of the regions of a display panel.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 16, 2021
    Assignee: BOE Technology Group Co., Ltd
    Inventor: Zhenzhen Li
  • Patent number: 10943840
    Abstract: A display device includes a display panel having a display area and a non-display area. A window is disposed on the display panel. A bezel portion is disposed on the window. The bezel portion at least partially overlaps the non-display area. An adhesive layer is disposed between the display panel and the window. An interlayer is disposed between the bezel portion and the adhesive layer. The interlayer has at least one ultrasound transmitting area overlapping the bezel portion.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: March 9, 2021
    Assignee: SAMSUNG DISPLAY CO, LTD.
    Inventors: Eunhye Park, Hyangyul Kim, Hyoungjoon Kim, Joohyung Lee
  • Patent number: 10942357
    Abstract: A light illumination device, a light processing apparatus using the light illumination device, a light illumination method, and a light processing method. The light illumination device, the light illumination method, and the light processing method include converting a phase distribution of a transmitted wavefront of light emitted from a light source, changing a ratio between a first diameter of a cross section perpendicular to an optical axis of the light whose phase distribution of the transmitted wavefront is converted in the converting along a first axis and a second diameter along a second axis perpendicular to the first axis and the optical axis of the light, and condensing the light whose ratio between the first diameter and the second diameter is changed in the changing.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: March 9, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventor: Hiroyuki Suhara
  • Patent number: 10916187
    Abstract: A display apparatus in which data signal distortion is reduced and thus is capable of accurately displaying an image includes a substrate including a display area that includes a first display area and a second display area, and a peripheral area surrounding the display area, first and second data lines respectively across the first and second display areas, main scan lines across the display area and disposed in parallel to the first and second data lines, sub scan lines across the display area and respectively connected to the main scan lines, the sub scan lines being disposed to cross the main scan lines, first data line pads connected to the first data lines, second data line pads connected to the second data lines, and scan line pads connected to the main scan lines, the first data line pads, the scan line pads, and the second data line pads being adjacent.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: February 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taehoon Kim, Jisu Na, Seungkyu Lee
  • Patent number: 10909930
    Abstract: A display apparatus includes a substrate including a trench portion, a display area, and a non-display area. The non-display area includes a first non-display area. The display area includes a main area and first and second display areas protruding from the main area. The first non-display area and the trench portion are between the first and second display areas. The display apparatus further includes: first scan lines transmitting scan signals to pixels in the first display area; second scan lines transmitting scan signals to pixels in the second display area; connection scan lines in the first non-display area and connecting the first scan lines and the second scan lines; and driving voltage lines transmitting driving voltages to pixels in the main area. A plurality of first driving voltage lines among the driving voltage lines extend to the first non-display area, and overlap the plurality of connection scan lines.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeonghun Kim, Byeongguk Jeon
  • Patent number: 10896859
    Abstract: A display substrate, a method for forming a display substrate and a method for detecting the same are provided. The display substrate includes a base substrate. The base substrate includes a display region and a non-display region at a periphery of the display region, the non-display region includes a wiring region, the wiring region includes a plurality of signal lines on the base substrate. The display substrate further includes an insulation layer covering the plurality of signal lines and at least one conductive pattern on a surface of the insulation layer away from the signal lines, each of the at least one conductive pattern includes at least one conductive line segment, an orthographic projection of each of the signal lines onto the base substrate is within an orthographic projection of a corresponding conductive line segment of the at least one conductive line segment onto the base substrate.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: January 19, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongwang Jia, Jia Meng
  • Patent number: 10867565
    Abstract: A pixel array substrate including a substrate, a first scan line, a first sub-pixel, a second scan line, a second sub-pixel, and a common electrode is provided. The substrate has a first region and a second region. A length of the first region is smaller than a length of the second region. Two opposite sides of the second region correspond to two opposite sides of the substrate respectively. At least one side of the first region does not correspond to one of the two opposite sides of the substrate. The first scan line is disposed on the first region. The first sub-pixel is electrically connected to the first scan line. The second scan line is disposed on the second region. The second sub-pixel is electrically connected to the second scan line. The common electrode is disposed on the substrate. A vertical distance between the common electrode and the first scan line is V11, a vertical distance between the common electrode and the second scan line is V2, and V2>V11.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 15, 2020
    Assignee: Au Optronics Corporation
    Inventors: Chao-Yu Chu, Hsin-Chun Huang, Shao-Syuan Ji, Mei-Shan Lin, Wen-Rei Guo
  • Patent number: 10838272
    Abstract: An array panel includes at least: a first via-hole disposed on a surface of the interlayer insulating layer; a second via-hole disposed on a surface of the planarization layer; a third via-hole disposed on a surface of the passivation layer; a pixel electrode layer; a light-shielding layer; wherein the third via-hole partially overlaps the first via-hole or an interconnect formed by connecting both ends of the active layer on the first via-hole is parallel to an arrangement direction of the gate signal wire.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: November 17, 2020
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Shidi Xiao
  • Patent number: 10824023
    Abstract: The present disclosure provides a display panel, a preparation method thereof, and a liquid crystal display. The display panel includes a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, and a polymerizable monomer arranged in the liquid crystal layer; wherein a plurality of polymer walls are arranged in the liquid crystal layer; the polymer wall contacts to the first substrate and the second substrate, and a polymerization direction of the polymerizable monomer in the polymer wall is substantially perpendicular to a thickness direction of the polymer wall. By arranging a plurality of polymer walls to limit the flow of the liquid crystal in a liquid crystal layer, improve an edge roughness of a polymer wall, so as to improve light leakage from an edge of pixels and improve a display effect.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: November 3, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xingwu Chen
  • Patent number: 10811437
    Abstract: A display device including a gate line, first and second data lines adjacent to each other in a first direction and crossing the gate line, a first transistor electrically connected to the gate line and the first data line, and a first pixel electrode electrically connected to the first transistor, in which the first pixel electrode includes a first sub-electrode and a second sub-electrode adjacent to each other in the first direction, the first sub-electrode includes a first longitudinal stem extending in a direction substantially parallel to the first data line and overlapping the first data line and a plurality of first branches connected to the first longitudinal stem, and the second sub-electrode includes a second longitudinal stem extending in a direction substantially parallel to the second data line and overlapping the second data line and a plurality of second branches connected to the second longitudinal stem.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyun Lee, Hak Sun Chang, Byoung Sun Na, Seung Min Lee
  • Patent number: 10802348
    Abstract: An array substrate, display panel and display device. The array substrate includes: a source-drain metal layer, a pixel electrode layer, an insulation layer located between the source-drain metal layer and the pixel electrode layer, and a plurality of sub-pixels distributed in an array. Each sub-pixel corresponds to a drain electrode contained in source-drain metal layer, a pixel electrode contained in pixel electrode layer, and a drain through-hole defined in insulation layer. The pixel electrode is connected to the drain electrode via the drain through-hole. For any one row of the array, in a column direction, each drain electrode through hole is located at the same side of the sub-pixel 10 corresponding to the drain electrode through hole. The sub-pixels includes two adjacent support sub-pixels in a row direction, and the two drain through-holes respectively corresponding to the two adjacent support sub-pixels are unaligned in the column direction.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 13, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qian Yang, Huanda Wu, Lei Zhang, Xiufeng Zhou, Boping Shen, Zhaokeng Cao, Huangyao Wu