Interdigited (comb-shaped) Electrodes Patents (Class 349/141)
  • Patent number: 11953773
    Abstract: A display device is provided and includes first substrate; first line extending in first direction on first substrate; second line extending in a second direction crossing the first lines; pixel electrode on the first substrate; insulating film on the pixel electrode; common electrode on the insulating film, including a first electrode arranged in a second direction and a plurality of second electrodes connected to the first electrode; second substrate facing first substrate; liquid crystal layer provided between first and second substrates; and wherein, in plan view, pixel electrode is rectangular in shape, and in plan view, part of first electrode overlaps second line.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: April 9, 2024
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 11940690
    Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The liquid crystal layer comprises a plurality of liquid crystal molecules. When the display panel is in a first display mode, the plurality of liquid crystal molecules rotate in a slanted plane parallel to a first direction and a second direction. The first direction is slanted with respect to a thickness direction of the display panel, and the second direction is perpendicular to the thickness direction of the display panel and the first direction.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: March 26, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei Cheng, Rui He, Xindong Mei
  • Patent number: 11927853
    Abstract: The embodiments of the present disclosure relate to the field of display technology, and in particular to a display substrate, a display panel, and a display device. The display substrate includes a first electrode, a first wire, and a second wire; the first electrode is provided with a plurality of slits; the first wire is provided on a side of the first electrode, and a first gap is provided between the first wire and the first electrode, and the first wire being electrically connected to the first electrode; a second wire provided on a side of the first electrode away from the first wire, and a second gap being provided between the second wire and the first electrode; wherein each of the slits is provided with a first end and a second end opposed to each other, and the first end is close to the first wire, and the second end is close to the second wire, and a light-transmitting part of the first end is larger than a light-transmitting part of the second end.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: March 12, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunfei Liu, Wei Zhang, Jilei Gao, Bin Li, Benzhi Xu, Chao Li, Lu Niu, Qi Liu
  • Patent number: 11929369
    Abstract: An electronic device includes a first substrate including a first surface and a first side-surface adjacent to the first surface, a second substrate including a second surface and a second side-surface adjacent to the second surface, a plurality of first conductive wires disposed on the first surface, a plurality of dam walls disposed on the first surface and located between any adjacent two of the first conductive wires respectively and a plurality of second conductive wires disposed on the first side-surface and the second side-surface. The plurality of first conductive wires are electrically connected to the plurality of second conductive wires respectively.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: March 12, 2024
    Assignee: InnoLux Corporation
    Inventor: Shuhei Hosaka
  • Patent number: 11923378
    Abstract: The present disclosure provides an electronic device including a substrate, a common electrode, and a plurality of pixels. The common electrode is disposed on the substrate. The pixels are disposed on the substrate, and at least one of the pixels includes a thin film transistor, a first electrode, a second electrode, and an auxiliary electrode. The first electrode is electrically connected to the thin film transistor. The auxiliary electrode is partially overlapped with the first electrode in a top view direction of the electronic device. The auxiliary electrode is electrically connected to the common electrode and electrically isolated from the first electrode, and the first electrode and the auxiliary electrode have a minimum distance less than a minimum distance between the first electrode and the common electrode.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: March 5, 2024
    Assignee: InnoLux Corporation
    Inventors: Chi-Lun Kao, Ker-Yih Kao, Ming-Chun Tseng, Kung-Chen Kuo
  • Patent number: 11917868
    Abstract: An organic light emitting diode (OLED) display device and a method of manufacturing thereof are provided. The organic light emitting diode display device includes a display area and a non-display area. The display area includes a pixel area and a photosensitive area disposed between the pixel areas. The photosensitive area includes a first thin film transistor. The pixel area includes a second thin film transistor, which the same type as the first thin film transistor. The non-display area includes a third thin film transistor, which is a different type from the first thin film transistor.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: February 27, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xuyang Liu, Chao Liang
  • Patent number: 11899320
    Abstract: The present disclosure provides an array substrate and a liquid crystal display panel, belonging to the file of display technology. The array substrate includes a base substrate, a first electrode, an insulating dielectric layer and a second electrode stacked in sequence; the second electrode is provided with at least one hollow hole, and the hollow hole is in a shape of convex polygon, circle or ellipse.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: February 13, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hongpeng Li, Pengxia Liang, Zheng Fang, Ge Shi, Hyunsic Choi, Yanliu Sun, Jiahui Han, Song Yang, Yujie Liu
  • Patent number: 11892736
    Abstract: An array substrate and a display panel are disclosed. A common electrode layer on the array substrate includes a common electrode trunk and multiple common electrode branches. A pixel electrode layer includes multiple interconnected pixel electrode branches, each of which includes a branch body and a branch end connected therewith. The branch end includes a first side opposite to the common electrode trunk to form a first gap, and a second side and a third side respectively disposed opposite to the corresponding common electrode branches to form a second gap and a third gap. A fourth gap is formed between the branch body and the common electrode branch. Of the first, the second and the third gaps, the width value corresponding to at least one gap is smaller than the width of the fourth gap.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: February 6, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xinglong Zheng, Jiheng Feng
  • Patent number: 11869978
    Abstract: To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: January 9, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tetsuji Ishitani, Daisuke Kubota
  • Patent number: 11860485
    Abstract: According to an aspect, a liquid-crystal display device includes a first substrate, a second substrate, and a liquid-crystal layer. The first substrate includes a first electrode and a second electrode, and one of the first electrode and the second electrode is a pixel electrode provide, the first electrode includes an electrode base portion extending in a first direction and comb tooth portions extending in a second direction and protruding in a comb teeth shape from the electrode base portion with a predetermined distance interposed therebetween, and adjacent comb tooth portions include adjacent comb tooth portions having a relation in which a first long side of one comb tooth portion closest to a boundary between pixels is not parallel to a first long side of the other comb tooth portion.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: January 2, 2024
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 11852928
    Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: December 26, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshihiro Sakurai, Hironao Tanaka, Hidemasa Yamaguchi
  • Patent number: 11846859
    Abstract: A display panel is disclosed, including a substrate, a first metal layer, a first insulation layer, an active layer, and a second metal layer stacked sequentially, wherein the first metal layer includes a first electrode, the second metal layer includes a second electrode, the first electrode and the second electrode are partially overlapped to form a first overlapping region, a plurality of pads are disposed between the first insulation layer and the second metal layer, and a part of the pads are at least located in the first overlapping region, to improve an anti-static ability of the first electrode and the second electrode on an overlapping location.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: December 19, 2023
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Feifei Xie, Mengyang Liu, Wuhui Wang
  • Patent number: 11841588
    Abstract: According to one embodiment, a display device includes a first substrate with a first alignment film, a second substrate with a second alignment film, and a liquid crystal layer interposed therebetween. The first substrate has first and second electrodes. An initial alignment direction of liquid crystal molecules of the liquid crystal layer is parallel to a first direction or a direction orthogonal to the first direction. The second electrode includes comblike electrodes extending parallel to the first direction and a connecting portion which connects the comblike electrodes. The connecting portion includes a projection which projects in a second direction more than an outermost comblike electrode.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: December 12, 2023
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 11815773
    Abstract: A display device has a frame region in a displaying region. The frame region includes a first scan line, and a first signal line and a second signal line adjacent to each other. The first signal line has a first wide section, and the first signal line intersects the first scan line at the first wide section in plan view. The first scan line has a second wide section. The second signal line has a pair of third wide sections, and the second signal line intersects the second wide section of the first scan line at the pair of third wide sections in plan view. The first wide section of the first signal line is opposite to the second signal line between the pair of third wide sections without being opposite to the pair of third wide sections.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: November 14, 2023
    Assignee: Japan Display Inc.
    Inventor: Hideki Shiina
  • Patent number: 11818924
    Abstract: Provided is a flexible organic electroluminescent device and a method for fabricating the same. In the flexible electroluminescent device, line hole patterns are formed on surfaces of a plurality of inorganic layers positioned in a pad region in which a flexible printed circuit board is connected to prevent a path of cracks caused by repeated bending and spreading of the organic electroluminescent device from spreading to the interior of the device.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: November 14, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Su Ho Kim, Sang Bae Kim, Jun Tae Jeon, Yong Sam Lee
  • Patent number: 11796868
    Abstract: A display panel has a display region including a first display region and a second display region. In an embodiment, the display panel includes sub-pixels located in the display region, an array substrate and the color filter substrate that are opposite to each other, and liquid crystal molecules located between the array substrate and the color filter substrate. In an embodiment, the sub-pixels include first sub-pixels located in the first display region and second sub-pixels located in the second display region. In an embodiment, in the second display region, some of the second sub-pixels are first-type sub-pixels. In an embodiment, the first-type sub-pixel includes a first electrode and a second electrode.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: October 24, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Hailiang Wang, Yaying Li, Wenhuan Zhang, Yan Yang, Ting Zhou, Junyi Li
  • Patent number: 11789299
    Abstract: A driving substrate and a display panel are provided. The driving substrate includes a plurality of driving units. Each of driving unit includes a first metal layer. The first metal layer includes a shielding common electrode and a storage capacitance common electrode. A light-shielding portion of the shielding common electrode extends toward the storage capacitance common electrode. A pixel accommodating region is enclosed by the shielding common electrode and the storage capacitance common electrode. There is a gap between the light-shielding portion of the shielding common electrode and the storage capacitance common electrode.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: October 17, 2023
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Zhengqin Lian, Yoonsung Um, Lixia Li, Chungching Hsieh
  • Patent number: 11774814
    Abstract: According to one embodiment, a display device includes a plurality of detection electrodes, a first shield electrode and a second shield electrode. The plurality of detection electrodes are disposed in a peripheral area surrounding a display area configured to display an image. The first shield electrode is disposed on a first substrate and in at least the peripheral area, the first shield electrode having a predetermined fixed potential. The second shield electrode is disposed on a second substrate and in at least the peripheral area, the second shield electrode having the predetermined fixed potential. The first shield electrode and the second shield electrode are disposed, in a plan view, on a side of the display area with respect to each of the detection electrodes.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: October 3, 2023
    Assignee: Japan Display Inc.
    Inventors: Kaoru Ito, Akihiko Fujisawa
  • Patent number: 11733575
    Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other; a liquid crystal layer between the first and second substrates; a thin film transistor in a subpixel on an inner surface of first substrate; a pixel electrode connected to the thin film transistor; a common electrode generating an electric field with the pixel electrode; a black matrix in a border portion of the subpixel on an inner surface of the second substrate, the black matrix including a metallic material, and a voltage applied to the black matrix; and a color filter layer in a center portion of the subpixel on the black matrix.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: August 22, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji-Hoon Yu, Hye-Ji Jeon, Kyoung-Seok Park, Key-Young Yang, Si-Hyun Kim, Hyun-Ho Park
  • Patent number: 11710748
    Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: July 25, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Xi Chen, Yingming Liu, Xiaoliang Ding, Weijie Zhao, Shengji Yang, Hongjuan Liu, Changfeng Li, Wei Liu
  • Patent number: 11686960
    Abstract: An optical forming device includes a resin tank that holds a photocurable resin, a light source that emits light for curing the photocurable resin, and an optical modulator. The optical modulator includes a liquid crystal, a first substrate and a second substrate that sandwich the liquid crystal, and a first electrode and a second electrode that apply voltage to the liquid crystal. The optical modulator modulates, in a pattern based on the shape of a three-dimensional shaped object, light that causes the photocurable resin to cure, and irradiates the modulated light on the photocurable resin. The optical modulator includes a plurality of modulation regions including a first region and a second region that have mutually different voltage transmittance characteristics.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: June 27, 2023
    Assignee: TIANMA JAPAN, LTD.
    Inventor: Chikaaki Mizokuchi
  • Patent number: 11681175
    Abstract: Display device is provided and includes first substrate; first and second lines; first electrode on first substrate; insulating film on first electrode; second electrode including connection electrode arranged in parallel with second lines and comb electrodes connected to the connection electrode; second substrate facing first substrate; liquid crystal layer provided between first and second substrates; and light shielding portion extending along extending direction of first lines, wherein in plain view, part of comb electrodes arranged at end of comb electrodes and part of first electrode overlaps with light shielding portion in the same area.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: June 20, 2023
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 11675240
    Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 13, 2023
    Assignee: Japan Display Inc.
    Inventors: Daisuke Ito, Hideyuki Omori
  • Patent number: 11664843
    Abstract: An electronic modulating device is provided. The electronic modulating device includes a substrate, a plurality of first electrodes, a plurality of second electrodes, and a plurality of second electrodes. The plurality of first electrodes are disposed on the substrate. The plurality of second electrodes are disposed on the substrate. The common electrode is disposed opposite to the plurality of first electrodes and the plurality of second electrodes, and includes a plurality of openings. The electronic modulating device modulates an electromagnetic wave of radio frequency in a range from 1 G Hz to 100 T Hz.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: May 30, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Tsung-Han Tsai, Kuan-Feng Lee
  • Patent number: 11656552
    Abstract: A device having color resists pattern and method for manufacturing are disclosed. The device includes a substrate, at least two color resist layers. The at least color resist layers are formed on the curved and construct a visible pattern, wherein at a boundary of the color resist pattern, the at least two color resist layers form a ramp structure and each of the at least two color resist layers contacts the substrate; and the ramp structure is formed in sequential order by one exposure process, one removal process and one baking process of the at least two color resist layers.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 23, 2023
    Inventors: Ming-An Hsu, Wen-Fu Lin
  • Patent number: 11644726
    Abstract: A display device includes two adjacent pixel electrodes spaced apart from each other by a gap extending in a first direction, at least one signal line extending in the first direction and having at least one protrusion at at least one side thereof, and two adjacent common electrode lines spaced apart from each other. The orthogonal projection of one/the other common electrode line on the substrate is located between the orthogonal projection of the signal line on the substrate and the orthogonal projection of one/the other pixel electrode on the substrate. Each common electrode line has a bend segment bending away from the signal line, wherein the protrusion of the at least one signal line positionally corresponds to the bend segment of each common electrode line, and the length of the protrusion is not larger than the length of the bend segment.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: May 9, 2023
    Assignee: Au Optronics Corporation
    Inventors: Hung-Che Lin, Yi-Chu Wang, Chien-Huang Liao, Yi-Tse Lin, Fu-ming Yu
  • Patent number: 11640084
    Abstract: Provided is a horizontal electric field mode reflective or transflective liquid crystal display device that achieves an increased reflectance. The liquid crystal display device sequentially includes: a first substrate; a first alignment layer; a liquid crystal layer containing liquid crystal molecules horizontally aligned with no voltage applied; a second alignment layer; and a second substrate including a pixel electrode and a common electrode, the liquid crystal display device further including a reflective layer disposed in at least part of a pixel at a position closer to a back surface than the first alignment layer, the liquid crystal layer, the second alignment layer, the pixel electrode, and the common electrode, at least one alignment layer of the first alignment layer or the second alignment layer having an azimuthal anchoring energy value of less than 1×10?4 J/m2.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: May 2, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroaki Asagi, Kiyoshi Minoura
  • Patent number: 11630357
    Abstract: A display device is provided. The display device includes a first substrate, a second substrate, a patterned electrode, a switch unit, and a liquid-crystal layer doped with a chiral dopant. The second substrate is disposed corresponding to the first substrate, and the patterned electrode is disposed on the first substrate or the second substrate. The switch unit is disposed adjacent to the patterned electrode. The liquid-crystal layer doped with the chiral dopant is disposed between the first substrate and the second substrate. In addition, an edge of the patterned electrode that is closest to the switch unit has an open area and a closed area, wherein the open area is adjacent to the closed area, and the patterned electrode extends a connecting portion out from the closed area and the connecting portion is connected to the switch unit.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: April 18, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Yi-Hsin Chen, Ying-Jen Chen
  • Patent number: 11620009
    Abstract: A touch sensing type liquid crystal display device includes an array substrate includes a first substrate, a common electrode, a pixel electrode, and a touch sensing unit; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including an organic material and a carbon nano-tube; and a liquid crystal layer between the first substrate and an inner side of the second substrate.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: April 4, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Kum-Mi Oh, Jin-Wuk Kim, Sung-Hee Kim
  • Patent number: 11600171
    Abstract: A crosswalk warning light is provided, the crosswalk warning light comprising: a housing which includes a front, the front including a first end and a second end, at least one end including at least one slot, a face with at least one aperture, the aperture defining an outside edge, a step with a riser, the step including or housing at least one optical element, the riser adjacent the outside edge, a top shaped to conform to the front, a bottom shaped to conform to the top, and a back; and at least one bank of light emitting diode (LED) lights positioned such that a portion of the bank of light emitting diodes is aligned with the aperture and a portion of the bank of light emitting diodes is aligned with the step, wherein the at least one optical element is configured to deviate an incident optical path by ninety degrees to provide a deviated optical path that is aligned with the at least one slot.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: March 7, 2023
    Inventors: Gregory Miller, Robert Magyar
  • Patent number: 11561437
    Abstract: An optical element is provided. The optical element includes a positive-C film including a liquid crystal (“LC”) layer. The optical element also includes a positive-A film. The optical element also includes a negative biaxial retardation film disposed between the positive-A film and the positive-C film.
    Type: Grant
    Filed: January 30, 2021
    Date of Patent: January 24, 2023
    Assignee: META PLATFORMS TECHNOLOGIES, LLC
    Inventors: Afsoon Jamali, Yingfei Jiang
  • Patent number: 11551631
    Abstract: A display panel includes a first display region and a second display region. The light transmittance of the first display region is greater than the light transmittance of the second display region. The first display region includes a plurality of first sub-pixels. At least one of the first sub-pixels includes an electrode group. The electrode group includes a first electrode and a second electrode. In the first direction, the orthographic projection of the first electrode at least partially overlaps the orthographic projection of the second electrode. The first direction is parallel to the light-emitting surface of the display panel. In the stage of capturing, the voltage difference between the first electrode and the second electrode is greater than zero volts. The phase of a voltage difference of the first electrode to the second electrode is reversed as a frame is reversed.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: January 10, 2023
    Assignee: Xiamen Tianma Microelectronics Co., Ltd.
    Inventors: Linyan Guan, Hailiang Wang, Yaying Li, Weipeng Wang, Suxia Xu, Junyi Li
  • Patent number: 11550191
    Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 10, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshihiro Sakurai, Hironao Tanaka, Hidemasa Yamaguchi
  • Patent number: 11537251
    Abstract: A display device is provided and includes first substrate comprising first base member, first terminal and pixel electrodes; second substrate comprising second base member comprising first surface opposing and spaced apart from first terminal and second surface on an opposite side to first surface, second terminal located on side of second surface, and first hole which penetrates from first surface to second surface and second terminal; organic insulating layer provided between first terminal and second base member and adjacent to display area, organic insulating layer having second hole beneath first hole; and connecting material provided on first and second hole to electrically connect first terminal and second terminal, wherein organic insulating layer includes sealant attaches first substrate and second substrate, diameter of second hole is greater than diameter of first hole, and at least one of first terminal and second terminal including oxide electrode in contact with connecting material.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: December 27, 2022
    Assignee: Japan Display Inc.
    Inventors: Shuichi Osawa, Shoji Hinata, Yoshikatsu Imazeki, Yoichi Kamijo, Yoshihiro Watanabe
  • Patent number: 11532646
    Abstract: A display panel, a display device, and a display system are provided. The display panel includes a plurality of conductive portions. Each of the conductive portions is respectively disposed between corresponding metal layers to be electrically connected in the display panel, and is used to electrically connect with the metal layers to be electrically connected. At least two conductive portions are provided between any two of the metal layers to be electrically connected. The at least two conductive portions are used for an electrical connection to realize multi-point connection of different metal layers, which improves a reliability in a conversion of different metal layers.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: December 20, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Ruixi Wu
  • Patent number: 11513398
    Abstract: A display panel is provided. The display panel includes: a first substrate structure and a second substrate structure. The first substrate structure has an overlapping region and two protruding regions between which the overlapping region is disposed. The second substrate structure is disposed opposite to the first substrate structure and includes a main spacer and a sub spacer. The main spacer overlaps the overlapping region of the first substrate structure. The first height difference between the overlapping region and one of the two protruding regions is greater than zero and less than the thickness of the sub spacer.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: November 29, 2022
    Assignee: Innolux Corporation
    Inventors: Luca Hung, Lynn Kuo
  • Patent number: 11500252
    Abstract: The liquid crystal display device includes: a TFT substrate including scanning lines extending in a first direction and being arranged in a second direction, video signal lines extending in the second direction and being arranged in the first direction, pixel electrodes arranged in regions surrounded by the scanning lines and the video signal lines, and common electrodes formed with an insulating film arranged between the common electrodes and the pixel electrodes; a counter substrate opposed to the TFT substrate; and a liquid crystal. The first common electrode extends between the first and second scanning lines in the first direction, and the second common electrode extends between the second and third scanning lines in the first direction. The first and second common electrodes are electrically connected by a bridge. The bridge covers the first video signal line without covering the second video signal line, when seen in a plan view.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 15, 2022
    Assignee: Japan Display Inc.
    Inventor: Motoharu Miyamoto
  • Patent number: 11493822
    Abstract: The invention relates to a diffractive optical element which comprises a first substrate and a second substrate, between which a liquid crystal layer is provided. The diffractive optical element also has strip-shaped electrodes on the first substrate and strip-shaped electrodes on the second substrate. The electrodes on the first substrate are arranged at an angle of greater than 50° relative to the electrodes on the second substrate. Furthermore, the electrodes on the first substrate and the electrodes on the second substrate are controllable in such a way that a defined out-of-plane field can be produced in a respective overlapping area of the electrodes on the first substrate with the electrodes on the second substrate. The diffractive optical element can be used in a display device for displaying preferably three-dimensional scenes.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: November 8, 2022
    Assignee: SEEREAL TECHNOLOGIES S.A.
    Inventors: Bo Kroll, Norbert Leister
  • Patent number: 11489032
    Abstract: The Embodiments of the present disclosure relate to a display panel and a display device. The display panel includes a plurality of wirings extending parallel to a display surface of the display panel, and a plurality of light shielding portions extending parallel to the display surface, wherein projections of at least two wirings of the plurality of wirings with parallel extending directions on the display surface are within a projection of a same light shielding portion on the display surface, wherein at least a portion of each light-shielding portion has a curved profile along the extending direction.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: November 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Mingche Hsieh
  • Patent number: 11480837
    Abstract: An embodiment of the present disclosure provides an array substrate, a display panel, and a display device, including a substrate, a data line located above the substrate, and a shielding member located on a side, away from the substrate, of the data line, the shielding member includes a conductive screening portion, an orthographic projection of the conductive screening portion on the substrate partially covering an orthographic projection of the data line on the substrate, or the shielding member includes a filling body, an orthographic projection of the filling body on the substrate covering an orthographic projection of the data line on the substrate, and the filling body protruding outward from a surface of the substrate in a direction away from the substrate.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 25, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xingxing Song, Kun Yu, Zhongzhen Li, Dayong Yu, Biao Luo, Wenjie Wang
  • Patent number: 11480831
    Abstract: A liquid crystal display device includes a TFT substrate and a counter substrate and a liquid crystal layer sandwiched therebetween. A scanning line, a video signal line, a thin film transistor connected to the scanning line and the video signal line, a pixel electrode connected to the thin film transistor, and a counter electrode are formed on the TFT substrate, and a columnar spacer formed on the counter substrate. The pixel and counter electrodes are transparent, and the liquid crystal layer is controlled by an electric field generated between the pixel and counter electrodes. The counter electrode contacts with a metal line having a first part which is extended in parallel with the scanning line and a second part which is extended in parallel with the video signal line, a width of the first part of the metal line being narrower than a width of the scanning line.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: October 25, 2022
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co.. Ltd.
    Inventors: Hidehiro Sonoda, Chikae Matsui, Noboru Kunimatsu
  • Patent number: 11454850
    Abstract: A pixel electrode and a display panel are provided. The pixel electrode includes a sub-pixel region and a main pixel region arranged at intervals. The sub-pixel region includes a first sub-pixel region and a second sub-pixel region, wherein a receiving chamber is formed between the first sub-pixel region and the second sub-pixel region, and the main pixel region is disposed in the receiving chamber.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: September 27, 2022
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yoonsung Um, Kaili Qu
  • Patent number: 11442319
    Abstract: The present application discloses display substrate having a base substrate; an insulating layer on the base substrate; and an electrode layer on a side of the insulating layer distal to the base substrate and having a plurality of electrode blocks. The insulating layer has a first side distal to the base substrate and a second side opposite to the first side and proximal to the base substrate. Each of the plurality of electrode blocks has a third side distal to the base substrate and a fourth side opposite to the third side and proximal to the base substrate. The first side of the insulating layer in the inter-electrode block region has a first height relative to a surface of the base substrate greater than a second height of the fourth side of an adjacent electrode of the plurality of electrode blocks relative to the surface of the base substrate.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: September 13, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng Zhang, Zhijun Lv, Wenqu Liu, Liwen Dong, Shizheng Zhang, Ning Dang
  • Patent number: 11435608
    Abstract: Provided are a display substrate and a control method therefor, a display panel, and a display device. The display substrate is disposed in the display panel and includes a first substrate and multiple mode switching electrodes and multiple data lines disposed on the first substrate; wherein, the mode switching electrode is disposed on a side of the data line away from the first substrate and insulated from the data line, and an orthographic projection of the mode switching electrode on the first substrate covers part of an orthographic projection of the data line on the first substrate; and the mode switching electrode is configured to switch display modes of the display panel, wherein the display modes include a normal mode and a privacy mode.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: September 6, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Qi Zheng, Hongliang Yuan, Xiaojuan Wu, Yao Bl, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang, Lanjun Guo
  • Patent number: 11428974
    Abstract: To provide a thin touch panel, a touch panel having a simple structure, a touch panel which can be easily incorporated into an electronic device, or a touch panel with a small number of components. The touch panel includes pixel electrodes arranged in a matrix, a plurality of signal lines, a plurality of scan lines, a plurality of first wirings extending in a direction parallel to the signal lines, and a plurality of second wirings extending in a direction parallel to the scan line. Part of the first wiring and part of the second wiring function as a pair of electrodes included in a touch sensor. The first wiring and the second wiring each have a stripe shape or form a mesh shape and are each provided between two adjacent pixel electrodes in a plan view.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: August 30, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideaki Shishido, Daisuke Kubota, Yusuke Kubota
  • Patent number: 11415842
    Abstract: The present disclosure provides a pixel electrode and a display panel. The pixel electrode includes a trunk portion including a first trunk and a second trunk and branch portions. The first trunk and the second trunk are pixel electrode areas. An intersection point of the first trunk and the second trunk is a central point of the trunk portion. the first trunk intersects with the second trunk to form four equal pixel electrode areas and the four pixel areas are four branch portions. Each of the four branch portions includes a plurality of branches. An end of each branch or an end of an extension line thereof intersects with the first trunk or an extension line thereof. An other end of each branch or an other end of the extension line thereof intersects with the second trunk or an extension line thereof.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: August 16, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Hongyan Chang
  • Patent number: 11409028
    Abstract: A layered body including a polarizer material film that is a product of stretching in one or more directions, and a substrate film provided on the polarizer material film, the substrate film being a product of stretching in one or more directions, wherein a stretching ratio X of the polarizer material film is 1.5 or more and 5.5 or less, a thickness T2 is 20 ?m or less, the thickness T2 being a thickness of the polarizer material film as a result of free end uniaxial stretching of the layered body at a stretching ratio 6.0/X, an angle ?2 formed by a stretching direction of the polarizer material film and a stretching direction of the substrate film is less than 1°, and a stretching ratio Y of the substrate film is smaller than the stretching ratio X of the polarizer material film.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: August 9, 2022
    Assignee: ZEON CORPORATION
    Inventors: Hiromu Mashima, Takamichi Inomata
  • Patent number: 11397358
    Abstract: The present application discloses display substrate having a base substrate; an insulating layer on the base substrate; and an electrode layer on a side of the insulating layer distal to the base substrate and having a plurality of electrode blocks. The insulating layer has a first side distal to the base substrate and a second side opposite to the first side and proximal to the base substrate. Each of the plurality of electrode blocks has a third side distal to the base substrate and a fourth side opposite to the third side and proximal to the base substrate. The first side of the insulating layer in the inter-electrode block region has a first height relative to a surface of the base substrate greater than a second height of the fourth side of an adjacent electrode of the plurality of electrode blocks relative to the surface of the base substrate.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: July 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng Zhang, Zhijun Lv, Wenqu Liu, Liwen Dong, Shizheng Zhang, Ning Dang
  • Patent number: 11391978
    Abstract: A detection device is provided and includes a first substrate; a plurality of detection electrodes arranged in a first direction and a second direction intersecting the first direction, and located in a display region; a second substrate facing the first substrate; a first conductive layer provided in a peripheral region located outside the display region in planar view, and including a plurality of wires forming a mesh-like pattern; and a second conductive layer electrically coupled to the first conductive layer, the second substrate being located between the second conductive layer and the first substrate, wherein the first conductive layer is arranged to be part of an electrically connected loop around the display region.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: July 19, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Koji Ishizaki
  • Patent number: RE49271
    Abstract: A liquid crystal display includes first and second gate lines and first and second data lines, on a first substrate, a first thin film transistor connected to the first gate and data lines and including a first source and drain electrode, a second thin film transistor connected to the second gate and data lines and including a second source and drain electrode, first and second pixel electrodes contacting a portion of the first and second drain electrodes, respectively, a passivation layer on the first and second pixel electrodes and the first and second thin film transistors, and a reference electrode on a passivation layer and overlapping the first pixel electrode and the second pixel electrode. The reference electrode includes a plurality of branch electrodes. The first thin film transistor is right of the first data line and the second thin film transistor is left of the second data line.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Wuk Kim, Jang-Kun Song, Seon-Ah Cho, Eun-Je Jang, You-Sik Shin