Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 11448915
    Abstract: According to one embodiment, a display device includes, a first transparent substrate having a side surface and a main surface, a first alignment film disposed along the main surface, a first transparent layer located between the first transparent substrate and the first alignment film, a second transparent substrate, a pixel electrode electrically connected to a switching element, a liquid crystal layer, and a light-emitting element opposed to the side surface. The first transparent layer overlaps a part of the pixel electrode and has a lower refractive index than the first transparent substrate.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: September 20, 2022
    Assignee: Japan Display Inc.
    Inventor: Yudai Numata
  • Patent number: 11442306
    Abstract: An optical display system includes an information display (image-generating) component, a polarization rotator, a polarization dependent optical element, an input holographic coupler, a light guide and an output holographic coupler. By controlling the polarization of the displayed light through the polarization rotator, the polarization dependent optical element changes the viewable content to different distances from the viewer. This enables the generation of a proper light field which will then be coupled into the light guide through the input holographic coupler, and finally go through the output holographic coupler to a user's eye.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: September 13, 2022
    Assignee: University of Central Florida Research Foundation, Inc
    Inventors: Yun-han Lee, Fenglin Peng, Guanjun Tan, Yishi Weng, Shin-Tson Wu
  • Patent number: 11442322
    Abstract: A light control sheet including a light control layer sandwiched between first and second orientation layers and including a polymer network in which domains are dispersed and filled with a liquid crystal composition including a liquid crystal molecule and a dichroic dye, a pair of transparent electrodes sandwiching the orientation layers, and a polarizing layer positioned on an opposite side of the first orientation layer to the light control layer. The light control layer has a transmittance that increases upon application of a driving voltage to the pair of transparent electrodes. When the driving voltage is not applied between the transparent electrodes, the orientation layers orient the liquid crystal molecule and the dichroic dye horizontally to the orientation layers and orient an orient absorption ax of the dichroic dye to cross an absorption axis of the polarizing layer as viewed in a thickness direction of the light control layer.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 13, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Tetsushi Yoshida
  • Patent number: 11428997
    Abstract: A liquid crystal panel is provided which is capable of performing displaying with sufficiently high quality while reducing power consumption. The liquid crystal panel 20 includes a plurality of pixel electrodes, a plurality of counter electrodes which are smaller in number and larger in individual size than the plurality of pixel electrodes, a liquid crystal layer disposed between the plurality of pixel electrodes and the plurality of counter electrodes, and a control unit configured to control a voltage applied to the plurality of pixel electrodes and a voltage applied to the plurality of counter electrodes. In a predetermined case, the control unit operates in a power saving operation mode in which the control unit performs control such that a fixed voltage is applied to the plurality of pixel electrodes and a voltage corresponding to an image signal is applied to the plurality of counter electrodes.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: August 30, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Daisuke Suehiro, Tatsuhiko Suyama, Atsushi Aoki, Daiji Kitagawa
  • Patent number: 11429003
    Abstract: A liquid crystal display device is provided and includes first and second substrates; first wiring provided on first substrate along first direction; second wiring provided along second direction intersecting with first direction; thin-film transistor provided at intersection between first and second wirings; drain electrode electrically connected to thin-film transistor; organic insulating film formed on thin-film transistor and covering part of drain electrode; first opening that penetrates organic insulating film and exposing drain electrode; island-shaped electrode disposed on first opening and organic insulating film, and electrically connected to drain electrode; inorganic insulating film disposed on organic insulating film, the drain electrode, and the island-shaped electrode inside the first opening; a second opening that penetrates the inorganic insulating film and exposing the drain electrode; and a pixel electrode formed on the inorganic insulating film and electrically connected to the island-shap
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: August 30, 2022
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 11422416
    Abstract: An array substrate includes a pixel electrode and a first common electrode. The pixel electrode has a frame and a branch. An edge plate of the first common electrode includes a shielding polar plate that surrounds the orthographic projection of the frame. The side of the edge plate facing the branch is provided with a groove.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: August 23, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Zhongnian Liu
  • Patent number: 11409182
    Abstract: The present invention provides a liquid lens comprising a first plate having a cavity for receiving conductive liquid and nonconductive liquid formed thereon, a first electrode disposed on an upper portion of the first plate, a second electrode disposed on a lower portion of the first plate, a second plate disposed on an upper portion of the first electrode, and a third plate disposed on a lower portion of the second electrode, wherein at least one of the first plate and the second plate comprises a structure through which at least one of the conductive liquid and the nonconductive liquid can flow.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: August 9, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Su Eom, Jun Phill Eom, Kyu Tae Lee, Seung Han Hyun
  • Patent number: 11402698
    Abstract: According to one embodiment, a display device includes first to third scanning lines, first and a second protrusion portions disposed on the second scanning line and arranged in a first direction, third and seventh protrusion portions disposed on a side close to the third scanning line on the second scanning line, fourth and sixth protrusion portions disposed on a side close to the first scanning line on the second scanning line, and a fifth protrusion portion disposed between the first protrusion portion and the second protrusion portion. The third and sixth protrusion portions are arranged in the second direction, and the fourth and seventh protrusion portions are arranged in the second direction.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11402711
    Abstract: An array substrate, a display panel, a display device, and a manufacturing method for an array substrate are provided. The array substrate includes a pixel unit group which includes a first pixel and a second pixel; the first pixel includes a first pixel electrode, a first switching element, and a first connection portion extending and protruding from the first pixel electrode; the second pixel includes a second pixel electrode, a second switching element, and a second connection portion extending and protruding from the second pixel electrode; the first pixel electrode and the first switching element are electrically connected to each other via the first connection portion; the second pixel electrode and the second switching element are electrically connected to each other via the second connection portion; and an extension length of the first connection portion is not equal to an extension length of the second connection portion.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 2, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zongxiang Li, Wenchao Wang, Jinglong Yan, Hongjiang Wu, Baoqiang Wang, Wenrui Liu, Xi Chen, Yao Liu, Hongtao Lin, Wenchang Tao
  • Patent number: 11397366
    Abstract: A switchable light-collimating film can be used as a privacy filter for computer monitors or other display devices. The film comprises a plurality of elongated chambers having pigment particles, the position of which can be controlled by the applied electric field. Distribution of the pigment particles throughout the elongated chambers, as opposed to their concentration on one side of the chambers, narrows the viewing angle to the light passing through the film and provides privacy of the viewing images to the user.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: July 26, 2022
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Xiaolong Zheng, Yih-Ming Kang, HongMei Zang
  • Patent number: 11372278
    Abstract: A liquid crystal panel cutting device for cutting a liquid crystal panel includes a first cutter, a second cutter and a control member, the first cutter having two first cutting wheels that are separated from each other with a distance; the second cutter having a second cutting wheel, and the first cutter and the second cutter are opposite provided and the second cutting wheel is located between the first cutting wheels; and the control member connecting to the first cutter and the second cutter by signals, the control member controlling the first cutter to cut the upper plate downward along a gravity direction, and controlling the second cutter to cut the lower plate upward in a reverse direction of the gravity direction.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: June 28, 2022
    Assignee: LITEMAX ELECTRONICS INC.
    Inventor: Jung-Chi Lo
  • Patent number: 11365348
    Abstract: A quantum dot includes a core including a first semiconductor nanocrystal and a multi-layered shell disposed on the core and including at least two layers, a production method thereof, and an electronic device including the same. The quantum dot does not include cadmium; the first semiconductor nanocrystal includes a Group III-V compound, the multi-layered shell includes a first layer surrounding at least a portion of a surface of the core, the first layer including a second semiconductor nanocrystal, the second semiconductor nanocrystal including a Group II-V compound, and a second layer disposed on the first layer, the second layer including a third semiconductor nanocrystal, the third semiconductor nanocrystal comprising a composition different from that of the second semiconductor nanocrystal.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: June 21, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Young Seok Park, Eun Joo Jang, Shin Ae Jun, Nayoun Won, Jooyeon Ahn, Sung Woo Kim
  • Patent number: 11347111
    Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel (100) includes: a first substrate (111); a second substrate (112) and a sealant (132), adhering the first substrate (111) and the second substrate (112) in a sealed manner. The first substrate (111) is provided with at, least one metallic wire (120) in a sealant region (130). The sealant region (131) is provided with a depressed portion (141).
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: May 31, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Patent number: 11347088
    Abstract: An anti-peep structure, a method for manufacturing an anti-peep structure, and a display device are provided. The anti-peep structure includes a substrate made of a first material having a first refractive index, the substrate including a light incident surface and a light outgoing surface disposed opposite to each other, where a plurality of grooves are disposed in the substrate at a side of the light incident surface or the light outgoing surface; a second material having a second refractive index disposed in the plurality of grooves; and a refractive index regulating component configured to control the second refractive index; where a viewing angle at the light outgoing surface is determined by a difference between the first refractive index and the second refractive index.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: May 31, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongchuan Chen, Xueqiang Qian, Bingyang Liu, Dan Wang, Xinli Ma
  • Patent number: 11314129
    Abstract: Provided are a front light source and a display apparatus. The front light source is disposed on a light emitting side of a display panel. The front light source includes: a light guide member and a light emitting member disposed on a light incident side of the light guide member, the light guide member being configured to guide light emitted by the light emitting member onto the display panel; the light emitting member includes: a light source element and a quantum dot element which are disposed on a same layer, the light source element being configured to emit light of a first color, and the quantum dot element being configured to emit light of three colors including three-primary colors under excitation of the light emitted by the light source element, the first color is one of the three-primary colors.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: April 26, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Zheng Fang, Ge Shi, Haijun Niu, Yujie Liu, Jiahui Han, Yuyao Wang
  • Patent number: 11294219
    Abstract: A quantum dot color filter substrate, a display panel, and a display device are provided. The quantum dot color filter substrate includes a plurality of pixel units arranged in an array. The pixel unit includes a blue sub-pixel, a red sub-pixel, and a green sub-pixel. The red sub-pixel includes a red quantum dot color filter. The green sub-pixel includes a green quantum dot color filter. An area ratio of the blue sub-pixel, the red sub-pixel, and the green sub-pixel is 1:X:Y, and 2.5?X?5, 4?Y?6. The quantum dot color filter substrate is used for cooperating with a blue backlight, and for compensating the difference in the conversion efficiency of the blue dot color filter with different colors for the blue light, and improving the color shift phenomenon caused by the difference in the conversion efficiency of the blue dot color filter with different colors to blue light.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: April 5, 2022
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yongli Jiang, Qijun Yao
  • Patent number: 11289044
    Abstract: A display device includes a substrate, a plurality of scan lines and a plurality of data lines. The data lines respectively have a first segment that overlaps one of the scan lines and a second segment that is located between adjacent two of the scan lines. A first segment of a first data line and a first segment of a second data line are separated by a distance Wa. A first segment of a third data line and a first segment of a fourth data line are separated by a distance Wc. A second segment of the first data line and a second segment of the second data line are separated by a distance W1. A second segment of the third data line and a second segment of the fourth data line are separated by a distance W3. The distances Wa, Wc, W1 and W3 have a relationship (W1/Wa)?(W3/Wc).
    Type: Grant
    Filed: June 14, 2020
    Date of Patent: March 29, 2022
    Assignee: InnoLux Corporation
    Inventors: Chia-Min Yeh, Hui-Min Huang, Hsieh-Li Chou, Cheng-Tso Chen, Yu-Chien Kao, Li-Wei Sung
  • Patent number: 11221510
    Abstract: Embodiments of the present disclosure relate to a movable electrode structure and a liquid crystal lens. The movable electrode structure includes: a substrate; a support on the substrate; a first beam having elasticity and attached to the support; an electrode attached to the first beam; and an opposing member located on the substrate and at least partially facing the first beam.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 11, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Wang, Lijia Zhou, Junrui Zhang, Rongjian Yan, Quanguo Zhou, Li Tian, Ronghua Lan, Xuehui Zhu
  • Patent number: 11221523
    Abstract: A liquid crystal display includes: a gate line connected to a gate electrode; a semiconductor layer disposed on the gate line and including silicon; an ohmic contact layer disposed on the semiconductor layer; and a data conductor disposed on the ohmic contact layer. The semiconductor layer includes a source region, a drain region, and a channel region disposed between the source region and the drain region. The data conductor includes a data line transmitting a data signal, a source electrode corresponding to the source region, and a drain electrode corresponding to the drain region. A channel step of the semiconductor layer is a height difference between an upper surface in the source region or the drain region and an upper surface in the channel region. The upper surface in the source region or the drain region has a maximum height of the semiconductor layer.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: January 11, 2022
    Inventors: Ki Pyo Hong, Wan Namgung, Seung-Kyu Lee, Hyun Seong Kang, Byeong Jae Ahn
  • Patent number: 11221531
    Abstract: The preset disclosure discloses a display substrate and a display device. The display substrate includes a signal line. The display substrate further includes: a discharge-limiting component, and an orthographic projection of the discharge-limiting component on the base substrate of the display substrate and an orthographic projection of the signal line on the base substrate at least partially overlap.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: January 11, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hongfei Cheng