Patents Examined by Paul C Lee
  • Patent number: 11181778
    Abstract: The present invention provides a display device, including: a first chromatic light source configured to generate first chromatic light, a dichroic reflection layer disposed on a light emergent side of the first chromatic light source and allowing the first chromatic light to pass through, and a quantum dot layer. The dichroic reflection layer has a first surface facing away from the first chromatic light source, and the first surface has a plurality of recessed portions. The quantum dot layer includes a plurality of quantum dot blocks, and the quantum dot blocks are disposed corresponding to the recessed portions.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 23, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Ting-Yi Kuo, Han-Min Tsai, Pi-Fei Tsai, Hung-Chih Luan, Sheng-Hung Wang, He-Yuan Yang
  • Patent number: 11175544
    Abstract: A stretchable electrooptical device includes a liquid crystal cell disposed between first and second ionic conducting gel layers; and first and second electronic conductors in electrical contact with the first and second ionic conducting gel layers, respectively, said first and second electronic conductors connectable to an external voltage source.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: November 16, 2021
    Assignee: President and Fellows of Harvard College
    Inventors: Canhui Yang, Shuang Zhou, Zhigang Suo
  • Patent number: 11169405
    Abstract: A display device includes a substrate having a display region and a peripheral region outside the display region; a liquid crystal layer; an insulating film between the liquid crystal layer and the substrate; an alignment film between the insulating film and the liquid crystal layer and having a front surface in contact with the liquid crystal layer; a pixel electrode having a front surface in contact with the alignment film in the display region; and an electrode having a front surface in contact with the alignment film in the peripheral region. Also, the electrode is supplied with an electric potential in the peripheral region. Each of the alignment film, the pixel electrode, and the electrode is formed on the insulating film. A distance from the substrate to the front surface of the electrode is longer than a distance from the substrate to the front surface of the pixel electrode.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 9, 2021
    Assignee: Japan Display Inc.
    Inventor: Masahiro Kosuge
  • Patent number: 11150526
    Abstract: A display device includes a first substrate formed with a first gate line, a first source line, a first thin film transistor, and a first light shielding unit; a second substrate disposed opposite to the first substrate; and a first liquid crystal layer disposed between the first substrate and the second substrate. The first light shielding unit is disposed between the first thin film transistor and the first liquid crystal layer, and overlaps at least a part of a first channel region of the first thin film transistor in planar view.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: October 19, 2021
    Assignees: Panasonic Liquid Crystal Display Co., Ltd., Pasona Knowledge Partner Inc.
    Inventors: Teruhisa Nakagawa, Daisuke Kajita
  • Patent number: 11126044
    Abstract: A display device and a manufacturing method of the display device are provided. The display device includes a first substrate, and a flip chip film. The first substrate is provided with bonding pins, conductive adhesive layers, and barriers. Each bonding pin is extended to a side edge of the first substrate, and each bonding pin includes a connecting surface which is flush with the side edge of the first substrate. Each conductive adhesive layer covers one side of each bonding pin, each conductive adhesive layer is extended to the side edge of the first substrate, and the conductive adhesive layer includes an auxiliary connecting surface which is flush with the side edge of the first substrate. Each barrier surrounds side surfaces of each conductive adhesive layer. The flip chip film is connected to the connecting surface and the auxiliary connecting surface.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: September 21, 2021
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Hailong Pan, Chao Wang
  • Patent number: 11106092
    Abstract: Provided are a pair of substrates, a seal material disposed between the pair of substrates, an inter-substrate conductive member disposed spaced apart from the seal material, and a moisture-proof film covering a side face of the seal material and a side face of the inter-substrate conductive member.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: August 31, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazu Kobayashi, Takashi Shinohara, Yuji Ikezaki, Tomohito Kawa
  • Patent number: 11106073
    Abstract: According to one embodiment, a display device including a display function layer between a first substrate and a second substrate which are opposed to each other, wherein the second substrate includes, in a display area in which an image is displayed, a first light shielding layer extending in a first direction and a second light shielding layer extending in a second direction crossing the first direction, and the first light shielding layer and the second light shielding layer are layered while contacting each other at a crossing part.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: August 31, 2021
    Assignee: Japan Display Inc.
    Inventors: Toru Kawamura, Seiji Uejima, Koichiro Adachi, Tetsuya Yamamoto
  • Patent number: 11099422
    Abstract: The present disclosure relates to a display panel, a display device, a reflective filter and a control method thereof. The reflective filter includes: a substrate; a first dielectric layer having a first refractive index, and located on one side of the substrate; a periodic array structure located on one side of the first dielectric layer away from the substrate and in direct contact with the first dielectric layer, wherein the periodic array structure includes a plurality of solid material patterns spaced apart by gaps; and a second dielectric layer covering the periodic array structure and filling the gaps, wherein a material of the second dielectric layer is a variable refractive index material; wherein the first refractive index of the first dielectric layer is lower than an equivalent refractive index nneff of the periodic array structure with the gaps filled with the variable refractive index material.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: August 24, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Zheng Fang, Haijun Niu, Ge Shi, Yujie Liu, Jiahui Han, Yuyao Wang
  • Patent number: 11092854
    Abstract: A liquid crystal display device includes a substrate, and a pixel electrode disposed on the substrate, the pixel electrode including a first stem portion that extends in a first direction, a second stem portion that extends in a second direction crossing the first direction and intersecting with the first stem portion, a plurality of branch portions, the branch portions extending to the first direction and the second direction from the first stem portion or the second stem portion, a first connection portion that connects distal ends of some of the branch electrodes to each other, extends in the first direction and intersects with the second stem portion, and a first edge electrode that is connected to one distal end of the second stem portion and extends in the first direction.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Se Hyun Lee, Hak Sun Chang, Cheol Shin
  • Patent number: 11092853
    Abstract: The present disclosure relates to a display device, a liquid crystal display panel and a driving method for a liquid crystal display panel. The liquid crystal display panel includes: an array substrate including a plurality of sub-pixels having active display areas, each of the sub-pixels including a plurality of first electrodes, and a first slit being disposed between adjacent first electrodes; an opposite substrate facing the array substrate, wherein a first surface of the opposite substrate facing the array substrate includes at least a target area facing an edge area of the active display area; and a control electrode disposed in the target area and opposite to the first electrode, for generating an electric field in a target direction with the first electrode, so as to control liquid crystals between an edge area of the array substrate and the target area of the opposite substrate to be deflected.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: August 17, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanli Zhao, Xiaoji Li, Keguo Liu, Xiuzhu Tang, Xiaolong Liu, He Sun
  • Patent number: 11092834
    Abstract: According to one embodiment, a display device includes a liquid crystal display panel having a display surface, a cover panel overlaid on a display surface, a backlight unit opposed to the liquid crystal display panel, a case covering the backlight unit and the liquid crystal display panel, and including at least a part fixed to the cover panel; and an adhesive provided on the cover panel along the liquid crystal display panel. The adhesive includes a surface opposite to the cover panel, a first area on the surface, and a second area on the surface, and locates on an inner side closer to the liquid crystal display panel than the first area. The part of the case is adhered to the second area. The adhesive is formed in a frame shape with an inner opening surrounding the liquid crystal display panel without contacting the liquid crystal display panel.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: August 17, 2021
    Assignee: Japan Display Inc.
    Inventors: Tetsuro Ochi, Hiroyuki Sakakura
  • Patent number: 11086169
    Abstract: A first organic insulating film is arranged on a first substrate in a circumference area outside an active area. A mounting portion is located in the circumference area for mounting a signal source. A second organic insulating film is formed on a second substrate in the circumference area so as to face the first substrate. The second substrate exposes the mounting portion. A seal material is arranged between the first organic insulating film and the second organic insulating film to attach the first substrate and the second substrate. A resin layer is arranged between the first organic insulating film and the second organic insulating film in the circumference area, and formed in a rectangular frame shape including four linear ends. An end along the mounting portion is formed broadly than other ends.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: August 10, 2021
    Assignee: Japan Display Inc.
    Inventor: Atsuko Oono
  • Patent number: 11079632
    Abstract: A curved display device includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first and second substrates, the liquid crystal layer including liquid crystal molecules, a first alignment layer including reactive mesogens which are polymerized with each other, the first alignment layer being disposed between the first substrate and the liquid crystal layer, and a second alignment layer disposed between the liquid crystal layer and the second substrate, where the reactive mesogens have a functional group having charges.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoungcheol Lee, Jang-Il Kim, Osung Seo, YeoGeon Yoon, SooJeong Huh
  • Patent number: 11067841
    Abstract: Provided is a display device having high visibility regardless of the intensity of external light. Provided is a display device capable of a variety of display. Provided is a display device that can operate with low power consumption. The display device includes a first electrode, a second electrode, a first liquid crystal layer, a second liquid crystal layer, a first coloring layer, and a first insulating layer. The first liquid crystal layer overlaps with the second liquid crystal layer with the first insulating layer therebetween. The first electrode is configured to reflect visible light. The second electrode includes a portion not overlapping with the first electrode and is configured to transmit visible light. The second liquid crystal layer includes a first portion overlapping with the first coloring layer and the second electrode, and a second portion not overlapping with the first coloring layer. The first portion contains monomers and liquid crystal.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 20, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Masaru Nakano
  • Patent number: 11061285
    Abstract: By increasing an interval between electrodes which drives liquid crystals, a gradient of an electric field applied between the electrodes can be controlled and an optimal electric field can be applied between the electrodes. The invention includes a first electrode formed over a substrate, an insulating film formed over the substrate and the first electrode, a thin film transistor including a semiconductor film in which a source, a channel region, and a drain are formed over the insulating film, a second electrode located over the semiconductor film and the first electrode and including first opening patterns, and liquid crystals provided over the second electrode.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: July 13, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 11061284
    Abstract: An array substrate, a display panel, and a display device are provided. The array substrate comprises a plurality of pixel regions in an array along intersected first and second directions. The pixel region includes at least three subpixel regions. At least one subpixel region serves as an adjustment-subpixel region. The subpixel region has a first electrode including at least two parallel first straight portions. Second straight portions and first connecting portions are connected to first and second ends of the first straight portions, respectively. The first electrode corresponding to the adjustment-subpixel region serves as an adjustment electrode. An opening is configured at an end between the at least two adjacent second straight portions corresponding to the adjustment electrode. An angle between extending direction of the first straight portion and the second direction is less than an angle between extending direction of the second straight portion and the second direction.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: July 13, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yujiao Liang, Liting Fang, Ankai Ling, Yanping Yu, Boping Shen
  • Patent number: 11048116
    Abstract: Disclosed is an invisible display device driving a display by using wavelengths of a region invisible to humans, thereby being capable of containing pieces of information, which humans no need to see but is necessary for a special purpose including socio-economic activities, and pieces of security information, which normal people should not see, and the invisible display device has a plurality of pixels arranged therein so as to emit infrared rays, wherein each of the plurality of pixels comprising: a first infrared sub pixel for emitting a first infrared ray of a first wavelength range; a second infrared sub pixel for emitting a second infrared ray of a second wavelength range different from the first wavelength range; and a third infrared sub pixel for emitting a third infrared ray of a third wavelength range different from the first and second wavelength ranges.
    Type: Grant
    Filed: December 18, 2016
    Date of Patent: June 29, 2021
    Assignee: Kyonggi University Industry & Academia Cooperation Foundation
    Inventor: Sang Hyun Ju
  • Patent number: 11048294
    Abstract: A liquid crystal display (LCD), an electronic device, and an LCD manufacturing method, where the LCD includes transparent material layers and non-transparent material layers that are disposed in a stacked mode. There is a local transparent region on the LCD. A non-transparent material is applied to the several non-transparent material layers in the local transparent region to form a transparent channel in the local transparent region along a stacking direction. An optical component such as a camera, an ambient light sensor, or an optical fingerprint sensor is completely or partially disposed in the transparent channel of the LCD display.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: June 29, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Bangshi Yin, Fan Yang, Bin Yan, Kangle Xue, Xiaomeng Chen
  • Patent number: 11042184
    Abstract: Certain aspects of the technology disclosed herein integrate a camera with an electronic display. An electronic display includes several layers, such as a cover layer, a color filter layer, a display layer including light emitting diodes or organic light emitting diodes, a thin film transistor layer, etc. In one embodiment, the layers include a substantially transparent region disposed above the camera. The substantially transparent region allows light from outside to reach the camera, enabling the camera to record an image. In another embodiment, the color filter layer does not include a substantially transparent region, and the camera records the light from the outside colored by the color filter layer. According to another embodiment, while none of the layers include a substantially transparent region, the layers are all substantially transparent, and the camera disposed beneath the layers records light reaching the camera from outside.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: June 22, 2021
    Assignee: ESSENTIAL PRODUCTS, INC.
    Inventors: David John Evans, V, Xinrui Jiang, Andrew E. Rubin, Matthew Hershenson, Xiaoyu Miao, Joseph Anthony Tate, Jason Sean Gagne-Keats
  • Patent number: 11036099
    Abstract: An array substrate includes non-touch-signal-transmitting lines that do not have a function of transmitting a touch signal. The non-touch-signal-transmitting lines are parallel with data lines. By connecting the non-touch-signal-transmitting lines with scan lines, the non-touch-signal-transmitting lines may provide electrical connection between the scan lines and a scan line driving circuit so that the scan line driving circuit and a data line driving chip can be arranged on a same one of edge frame parts or two opposite ones of the edge frame parts. Thus, the other ones of the edge frame parts are allowed to have a width of only 0.1-0.3 mm, making it possible to achieve ultra slimming of edge frame for at least two of the edge frame parts.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: June 15, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chengao Yang