Patents Examined by Sang V Nguyen
  • Patent number: 11977292
    Abstract: The present disclosure provides a color filter substrate, a display panel, a display device. The color filter substrate comprises a first pixel area and a second pixel area adjacent to the first pixel area. The color filter substrate further comprises a base; a plurality of micro light emitting diode (Micro LED) light-emitting units disposed on the base corresponding to the first pixel area; a planarization layer disposed on the Micro LED light-emitting units and the base; and color resists disposed on the planarization layer corresponding to the second pixel area. The present disclosure solves the problem that optical sensors cannot overlap optical display spatially in LCD screens.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: May 7, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guowei Zha
  • Patent number: 11977286
    Abstract: A display device comprising a spatial light modulator having a display polariser arranged on one side is provided with an additional polariser arranged on the same side as the display polariser and a polar control retarder between the additional polariser and the display polariser. The polar control retarder includes a liquid crystal retarder having two surface alignment layers disposed adjacent to a layer of liquid crystal material on opposite sides. The surface alignment layers provide alignment in the adjacent liquid crystal material with a twist. The out-of-plane orientation of the twisted layer of liquid crystal material is modified across at least one region of the display device to provide a transmission function in response to the measured location of an off-axis snooper, achieving increased size of polar region for which desired uniformity of security factor, or reduced distraction across the display to the driver in an automotive application is achieved.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: May 7, 2024
    Assignee: RealD Spark, LLC
    Inventors: Graham J. Woodgate, Michael G. Robinson, Jonathan Harrold, Robert A Ramsey
  • Patent number: 11977303
    Abstract: According to one embodiment, a display device includes, the first substrate including an insulating substrate, first and second light-shielding layers, a stacked layer film, first and second source lines, and a first insulating layer, the second substrate including first and second light-shielding materials. A first width of the first light-shielding layer along the first direction is equal to or greater than a second width of the first light-shielding material along the first direction, and a third width of the second light-shielding layer along the first direction is equal to or greater than a fourth width of the second light-shielding material along the first direction.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: May 7, 2024
    Assignee: Japan Display Inc.
    Inventors: Hirofumi Funakoshi, Mototaka Eguchi, Tatsunori Muramoto
  • Patent number: 11971631
    Abstract: The present disclosure provides a liquid crystal display panel and a display device. The liquid crystal display panel includes an array substrate. A hollow structure is defined in a common electrode layer. The hollow structure includes a first hollow structure corresponding to a display area. An area of the first hollow structure progressively increases along a direction from an array routing area to the display area, so that an area of the common electrode layer corresponding to the display area progressively decreases along the direction from the array routing area to the display area, thereby making RC loadings uniform and keeping charging rates in various areas same.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: April 30, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Suping Xi
  • Patent number: 11971545
    Abstract: There is provided a small-sized HUD device having a high image display reliability and a high thermal reliability. A HUD device 1 includes: an image display unit 2 including a display panel (liquid crystal panel) 22 that displays an image, and an optical system 3 that projects image light of the displayed image onto a windshield of a vehicle, in which a virtual image of the image is visually recognized by light reflected off the windshield. In the image display unit 2, an effective display region 22a that displays the image is set to a region on a side close to one end of the display panel 22. The optical system 3 includes a first reflector 31 that reflects the image light emitted from the image display unit 2 and a second reflector 32 that reflects the reflected light of the first reflector 31 toward the windshield. The image display unit 2 is disposed to face the first reflector 31, and the display panel 22 is disposed in an attitude in which the one end faces the second reflector 32 side.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 30, 2024
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventor: Takanobu Toyoshima
  • Patent number: 11966111
    Abstract: An example liquid crystal film for automotive glass comprises a first base layer, a first conductive layer, a microstructured liquid crystal layer, a second conductive layer, a second base layer, wherein the microstructured liquid crystal layer is disposed between the first conductive layer and the second conductive layer. In one embodiment, the microstructured liquid crystal layer comprises a bottom plate, a partition plate, and a liquid crystal mixture. The partition plate comprises sidewalls vertically arranged on the bottom plate, and the bottom plate is attached to the second conductive layer. The partition plate divides a space between the bottom plate and the first conductive layer into a plurality of polygonal receiving spaces. The liquid crystal mixture is positioned in the plurality of polygonal receiving spaces.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: April 23, 2024
    Assignee: Wicue USA INC.
    Inventors: Fenghua Li, Osamu Yamada, Cai Guo
  • Patent number: 11966134
    Abstract: An array substrate and a display device. The array substrate includes a base substrate, a plurality of pixel electrodes, a plurality of first common electrodes, a first-common-signal line and a connection line, that are disposed on the base substrate. The first common electrode is a common electrode of the array substrate. The connection line is connected between the first-common-signal line and the first common electrode, enabling a voltage from the first-common-signal line to be output to the first common electrode through the connection line. The array substrate also includes a detection line, the detection line and the first-common-signal line are insulated from each other, and an orthographic projection of the detection line on the base substrate and an orthographic projection of the first-common-signal line on the base substrate have at least one intersection point. The detection line is also arranged to be extended outside the base substrate.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: April 23, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yanna Yang, Wei Li
  • Patent number: 11966126
    Abstract: A light control unit includes a wiring member including a mount section and an extending section, and a light control sheet that includes a light control layer formed between first and second transparent electrodes. The first transparent electrode has a first wiring region which is exposed from the light control layer, the second transparent electrode has a second wiring region which is exposed from the light control layer, the mount section is in the first wiring region and extends in a first direction along the edge portion of the first transparent electrode, the extending section extends from the mount section toward an outside of the first transparent electrode, the mount section has a first width along a first perpendicular direction perpendicular to the first direction, and the extending section has a second width greater than the first width of the mount section.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: April 23, 2024
    Assignee: TOPPAN Inc.
    Inventor: Masaki Tsuji
  • Patent number: 11960166
    Abstract: A display device includes an organic EL element layer, a liquid crystal element layer disposed on top of the organic EL element layer, and a polarizing plate disposed at a side of the liquid crystal element layer that faces an observer. The liquid crystal element layer includes two transparent substrates and a liquid crystal layer disposed between the two transparent substrates. The liquid crystal element layer is configured to be able to, by applying a voltage to the liquid crystal layer, cause a substantially quarter-wavelength retardation in light passing through the liquid crystal layer.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: April 16, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Naru Usukura, Masahiro Imai, Yuhichiroh Murakami, Takahiro Yamaguchi, Shige Furuta
  • Patent number: 11960181
    Abstract: Disclosed are an array substrate, a display panel and a display. The array substrate is provided with a thin film transistor and a gate driving circuit. A trigger signal input terminal of the gate driving circuit corresponds to an output terminal of the thin film transistor, a first insulating layer is provided between a first metal layer corresponding to the output terminal of the thin film transistor and a second metal layer corresponding to the trigger signal input terminal of the gate driving circuit. A projected area of the first metal layer on the first insulating layer is partially overlapped with a projected area of the second metal layer on the first insulating layer.
    Type: Grant
    Filed: June 14, 2023
    Date of Patent: April 16, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Hongyan Chang, Bing Han, Haijiang Yuan
  • Patent number: 11960175
    Abstract: According to one embodiment, a liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes scanning line extending in a first direction, signal line extending in a second direction, pixel electrodes including and a common electrode. The common electrode includes sub-electrodes extending in the first or second direction. Each of the sub-electrodes includes a first portion having a width greater than the scanning or signal line, and a second portion having a width less than the first portion but greater than the scanning or signal line. The first and second portions are alternately arranged along a direction in which the sub-electrodes extend.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: April 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Kyosuke Watanabe, Yuji Maede
  • Patent number: 11960161
    Abstract: Provided is a display panel. The display panel includes a display substrate, a diffusion sheet, a transflective film, and a fingerprint identification circuit, wherein the diffusion sheet is provided with at least one through hole, and an orthographic projection of the at least one through hole onto the display substrate is within the orthographic projection of the fingerprint identification circuit onto the display substrate.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 16, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jinzhao Zhou, Tingting Zhao, Litao Fan, Jian Zhang, Shubai Zhang, Zhiqiang Zhang, Qin Xin
  • Patent number: 11953791
    Abstract: There are provided a display panel and a manufacturing method thereof. The display panel includes first and second display sub-panels with a gap region arranged therebetween; and a light-shielding layer at least located in the gap region, the first and second display sub-panels each include multiple pixel units arranged in an array, each pixel unit includes: a substrate; a data line on the substrate; a black matrix on a side of the data line away from the substrate, an orthographic projection of the data line on the substrate falls within that of the black matrix on the substrate, in at least one of the first and second display sub-panel, the black matrix of the pixel unit closest to the gap region and the light-shielding layer are arranged with an interval therebetween, the black matrix is located on a side of the light-shielding layer away from the gap region.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: April 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Zhou, Xiaojing Qi, Bo Wu, Xiangdong Qin
  • Patent number: 11947227
    Abstract: A display device includes a display panel including a first signal pad portion including first signal pads, a second signal pad portion including second signal pads, and a first dummy pad portion disposed between the first signal pad portion and the second signal pad portion and including at least one first dummy pad, and a flexible circuit board including a first terminal portion including first terminals, a second terminal portion including second terminals, and a first cut portion disposed between the first terminal portion and the second terminal portion. The flexible circuit board is compressed to the display panel. The first terminals are electrically connected to the first signal pads. The second terminals are electrically connected to the second signal pads. The first cut portion overlaps the first dummy pad portion.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ha Young Choi, Joong Mok Lee, Chung Seok Lee, Eun Jeong Jeon
  • Patent number: 11947230
    Abstract: The present application discloses an array substrate, a liquid crystal display panel, and a display device. Each pixel unit includes a first sub-pixel electrode and a second sub-pixel electrode electrically connected to a same data line. In each row of pixel units, the first sub-pixel electrode and the second sub-pixel electrode are arranged alternately. The first sub-pixel electrode is connected with a scanning line at an upper level and adjacent to a row where the pixel unit is located, and the second sub-pixel electrode is connected with a scanning line at a lower level and adjacent to a row where the pixel unit is located.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: April 2, 2024
    Assignee: SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yingying Liu
  • Patent number: 11947211
    Abstract: A display panel includes: a liquid crystal cell; an optical layer configured to transmit part of light incident onto the optical layer whose polarization direction is parallel to a transmission axis of the optical layer, and reflect a remaining part of the light incident onto the optical layer; a first polarization structure configured to transmit part of light incident onto the first polarization structure whose polarization direction is parallel to a transmission axis of the first polarization structure, and absorb a remaining part of the light incident onto the first polarization structure; and a second polarization structure configured to transmit part of light incident onto the second polarization structure whose polarization direction is parallel to a transmission axis of the second polarization structure, and absorb a remaining part of the light incident onto the second polarization structure.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: April 2, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jing Wang, Yangyang Cai, Guojian Qu, Guangyun Tong, Fan Yang, Chengwei Wang, Zhanchang Bu, Bochang Wang, Yu Zhang, Hetao Wang, Xiang Li
  • Patent number: 11940701
    Abstract: A writing panel includes an array substrate, a flexible substrate disposed opposite to the array substrate, a liquid crystal layer disposed between the array substrate and the flexible substrate, and a plurality of spacers each in a shape of a column disposed on a surface of the array substrate proximate to the liquid crystal layer. The array substrate includes a base and a pixel driving circuit layer disposed on the base, and the pixel driving circuit layer includes a plurality of thin film transistors and a plurality of signal lines. An orthographic projection of each spacer on the base is non-overlapping with orthographic projections of the plurality of thin film transistors and the plurality of signal lines on the base.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: March 26, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaojuan Wu, Jiaxing Wang, Yang Ge, Yu Zhao, Jian Wang, Hao Yan
  • Patent number: 11934003
    Abstract: A planar light source includes: a support member; a light guide member disposed on the support member and having a light source positioning part; and a light source disposed on the support member while being in the light source positioning part of the light guide member. The support member includes: an insulation base having a first face positioned closer to the light source and a second face positioned opposite the first face, a first conductive layer disposed on the first face of the insulation base and electrically connected to the light source, an adhesive layer disposed on and in contact with the first face of the insulation base and the first conductive layer, and a light reflecting sheet disposed on the adhesive layer.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: March 19, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Yukihiro Miura, Masaaki Katsumata, Ryohei Yamashita, Takashi Matsuo
  • Patent number: 11927841
    Abstract: The disclosure provides a display panel and a display apparatus, and belongs to the field of display technology. The display panel includes a display backplane and an antenna structure; the display panel further includes a frequency selective surface on a side of the antenna structure close to a light exit surface of the display panel; the frequency selective surface is configured to transmit an electromagnetic wave with a specific frequency, so as to enhance a radiation gain of the antenna structure.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: March 12, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafei Zhang, Hai Yu, Yanzhao Li, Feng Qu
  • Patent number: 11927856
    Abstract: A display panel and a display device are provided according to embodiments of the application. In the display panel, a first metal electrode layer further includes multiple second metal electrode lines which are located in the same layer as multiple first metal electrode lines. An end of the second metal electrode line is electrically connected with the drain of a thin film transistor; and the other end of the second metal electrode line is electrically connected with the pixel electrode, so that the pixel electrode is electrically connected with the drain of the corresponding thin film transistor through the second metal electrode line. The area occupied by the electric connection region of the pixel electrode and the drain of the corresponding thin film transistor is reduced and the display area of the display panel is increased, when the size and the thickness of the display panel are not increased.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: March 12, 2024
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ankai Ling, Limei Zhou, Menglan Chen, Poping Shen