Patents Examined by Sang V Nguyen
  • Patent number: 11579504
    Abstract: A thin film transistor array substrate includes an insulating substrate, a plurality of data lines, a plurality of common electrodes, and a common electrode layer. The insulating substrate defines a plurality of sub-pixel area arranged into a sub-pixel array including a plurality of rows and a plurality of columns. The plurality of data lines extend in a direction of the columns in the sub-pixel array. The plurality of common electrodes extend in the direction of the columns in the sub-pixel array. At least two of the plurality of data lines are between adjacent common electrodes of the plurality of common electrodes, and the plurality of common electrodes are applied with a same voltage. The common electrode layer is on the insulating substrate and the common electrodes are connected to different locations of the common electrode layer.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: February 14, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Yuan Xiong, Chih-Chung Liu, Qi Xu, Hui Wang, Ning Fang
  • Patent number: 11579501
    Abstract: The present invention provides a LCOS structure and a method for fabricating same. The LCOS structure includes: a silicon substrate; a liquid crystal layer and a transparent conductive layer both disposed above the silicon substrate. In the silicon substrate, there are formed a conductive pad, an opening where the conductive pad is exposed, and at least one metal layer. The opening is located peripherally around the liquid crystal layer, there is no portion of the metal layer located under the conductive pad. The conductive backing is located at the same vertical level as one metal layer in the at least one metal layer and electrically connected thereto, a conductive adhesive fills in the opening and a gap between the silicon substrate and the transparent conductive layer. The transparent conductive layer is electrically connected to the conductive pad by conductive metal particles in the conductive adhesive.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: February 14, 2023
    Assignee: OMNIVISION SEMICONDUCTOR (SHANGHAI) CO., LTD.
    Inventors: Pei-Wen Ko, Chun-Sheng Fan
  • Patent number: 11567252
    Abstract: An optical device includes a first polarization selective reflector; a second polarization selective reflector positioned relative to the first polarization selective reflector so that the first polarization selective reflector directs first light having a first nonplanar polarization toward the second polarization selective reflector and the second polarization selective reflector directs at least a portion of the first light toward the first polarization selective reflector as second light. The optical device includes a first reflector positioned relative to the first polarization selective reflector so that the first polarization selective reflector directs at least a portion of the second light having a second nonplanar polarization toward the first reflector as third light.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: January 31, 2023
    Assignee: META PLATFORMS TECHNOLOGIES, LLC
    Inventors: Andrew John Ouderkirk, Tanya Malhotra, Weichuan Gao, Ying Geng, Babak Amirsolaimani
  • Patent number: 11556037
    Abstract: In an array substrate, a first area of overlap between projections of a first source and a first gate of an active matrix switch of a first type on a base substrate is greater than a second area of overlap between projections of a second source and a second gate of an active matrix switch a second type on the base substrate.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: January 17, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventor: Huailiang He
  • Patent number: 11552109
    Abstract: A circuit substrate includes a substrate portion having a variable-external-shape portion; a circuit portion, having a configuration in which circuit blocks adjacent to each other in a first direction; a plurality of trunk wiring lines bent along the circuit blocks displaced with respect to each other in a second direction; and a plurality of branch wiring lines, wherein the plurality of trunk wiring lines include a first trunk wiring line and a second trunk wiring line, and among the plurality of branch wiring lines, a plurality of branch wiring lines connected to a plurality of unit circuits constituting a center-side circuit block include at least a first branch wiring line connected to the first trunk wiring line and a second branch wiring line connected to the second trunk wiring line and disposed farther than the first branch wiring line from a end-side circuit block in the first direction.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: January 10, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yoshihiro Asai, Satoshi Horiuchi, Seiya Kawamorita, Shinji Matsubara, Seijirou Gyouten
  • Patent number: 11543716
    Abstract: An electro-optical device includes a scanning line extending along a first direction and having a light shielding property, a transistor having a semiconductor layer extending along the first direction so as to overlap with the scanning line, a contact hole electrically coupled to the scanning line at a side of a channel region of the semiconductor layer, and an opening provided at a side of a first LDD region and a second LDD region of the semiconductor layer.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: January 3, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Mitsutaka Ohori
  • Patent number: 11536889
    Abstract: A novel display device that is highly convenient, useful, or reliable is provided. The display device includes a light guide plate, a display panel, and an intermediate layer, and the light guide plate includes a first surface and a second surface. The first surface is irradiated with light, the second surface has a function of distributing light, the second surface is in contact with the intermediate layer, and the second surface has a first refractive index N1 in a region in contact with the intermediate layer. The display panel faces the second surface, the display panel is in contact with the intermediate layer, and the display panel has a function of scattering the distributed light. The intermediate layer includes a region positioned between the second surface and the display panel, and the intermediate layer has a second refractive index N2 in a region in contact with the second surface. The second refractive index N2 is smaller than the first refractive index N1.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: December 27, 2022
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei Yamazaki, Ryo Hatsumi, Tetsuji Ishitani, Akio Yamashita
  • Patent number: 11531241
    Abstract: A substrate in an array substrate includes a light aperture region and a winding region arranged around the light aperture region. On the substrate, an orthographic projection of a first winding in each first signal line is overlapped with an orthographic projection of a second winding in a corresponding second signal line. In this way, the distance between two adjacent signal lines in the winding region is larger, and the parasitic capacitance generated between them is smaller.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: December 20, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongqiang Zhang, Jingyi Xu, Hong Liu, Peng Liu, Peirong Huo, Aiyu Ding, Zhenhong Xiao, Bo Li, Bo Huang
  • Patent number: 11526060
    Abstract: The present disclosure relates to a display device including a substrate, a gate line on the substrate, a data line crossing the gate line, a pixel connected to the gate line and the data line, and a dummy data line disposed at an edge on the substrate and crossing the gate line, wherein the dummy data line includes openings that is disposed on a portion that is near an overlapping portion with the gate line, and portions of the dummy data line separated by the openings are electrically insulated from each other.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: December 13, 2022
    Inventors: Gwon-Heon Ryu, Yang Gyu Jang, Kook Hyun Choi, Beom Jun Kim, Hyung Gi Jung
  • Patent number: 11524558
    Abstract: A glass structure includes a glass body; a modulating unit coupled to the glass body to modulate optical characteristics of the glass structure; an interaction unit coupled to the glass body to provide an adjusting signal indicating an execution of adjusting the optical characteristics of the glass structure; and a control unit coupled to the modulating unit and the interaction unit respectively, the control unit being configured to receive the adjusting signal from the interaction unit and to control the modulating unit to modulate the optical characteristics of a target region of the glass structure in response to the adjusting signal. The interaction unit and the modulating unit are isolated from each other by a filling material having a transmittance equal to or greater than about 50%, a relative permittivity equal to or less than about 10, and a thickness equal to or greater than about 50 ?m.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 13, 2022
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Xiaofeng Guo, Siteng Ma
  • Patent number: 11520198
    Abstract: A light shielding area including a first conductive layer, a second conductive layer, a first conductor part disposed between the first conductive layer and the second conductive layer, and a transistor surrounded by the first conductive layer, the second conductive layer, and the first conductor part, and a light transmission area surrounded by the light shielding area are provided, wherein an edge of the first conductor part forms a part of a boundary between the light shielding area and the light transmission area.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: December 6, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 11520201
    Abstract: Disclosed is a display apparatus and a method for manufacturing the same, wherein the display apparatus comprises a substrate, a light shielding layer, a signal line and a first electrode on the substrate, an active layer, a gate electrode, a second electrode, a first connection electrode for connecting the active layer with the signal line, and a second connection electrode for connecting the active layer with any one of the first electrode and the second electrode, wherein any one of the first electrode and the second electrode is a pixel electrode of a display device, and the other is a common electrode of the display device, the light shielding layer, the signal line and the first electrode are disposed on the same layer, and the first connection electrode and the second connection electrode are formed of the same material as that of the second electrode.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: December 6, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Yewon Hong, JungHyun Lee, Hyun Soo Shin
  • Patent number: 11520095
    Abstract: Provided is a light control film capable of gradually changing the in-plane transmittance and thereby adding an in-plane gradation between light and dark. A light control film 10 according to the present invention includes: a first electrode 22A and a second electrode 22B disposed facing each other; a light control material 14 disposed between the first electrode 22A and the second electrode 22B and changing the transmittance in accordance with the potential difference between the first electrode 22A and the second electrode 22B; and a potential gradient forming part for providing the gradient of the potential difference in the extension direction of the first electrode 22A and the second electrode 22B.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: December 6, 2022
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Keisuke Miura, Yusuke Hagiwara, Yasunori Hayashida, Makoto Yamaki
  • Patent number: 11515339
    Abstract: A display device has a display area and a peripheral area and includes data lines, scan lines, gate transmission lines, and sub-pixels. The data lines and the gate transmission lines extend from the peripheral area into the display area. The data lines located in the display area extend along a first direction. The scan lines are located in the display area and extend along a second direction intersecting the first direction. The gate transmission lines are electrically connected to the scan lines. One of the gate transmission lines includes first, second, and third wires located in the display area. The first and third wires extend along the first direction. The second wire extends along the second direction. The first, second and third wires are electrically connected in sequence. The third wire is electrically connected to one of the scan lines.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: November 29, 2022
    Assignee: Au Optronics Corporation
    Inventors: Yueh-Chi Wu, Ti-Kuei Yu, Hung-Chia Liao, Shu-Wen Liao, Shiang-Lin Lian
  • Patent number: 11500219
    Abstract: A display system includes: a display element that includes a display surface through which light showing an image is emitted; a concave mirror that reflects the light emitted through the display surface of the display element; and an optical element that includes a wave plate and a transmissive polarizing plate that is a polarizing element, the optical element facing the concave mirror. The concave mirror and the optical element are each provided separately from the display element. The optical element (i) transmits reflected light resulting from the light emitted through the display surface of the display element being reflected by the concave mirror, and (ii) reflects light from outside off a surface of the optical element, the surface facing the concave mirror, the light from the outside entering the optical element from a side through which the reflected light exits, and being reflected by the concave mirror.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: November 15, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenji Nagatomi, Norihiro Imamura
  • Patent number: 11493815
    Abstract: A display device includes a plurality of pixel electrodes disposed so that the numbers of pixel electrodes arranged in a column-wise direction vary according to locations in a row-wise direction, a plurality of image lines having lengths corresponding to the numbers of pixel electrodes arranged in the column-wise direction, a common electrode partially disposed in an area outside the display area, a common wire supplies a common potential signal to the common electrode, a plurality of image lead wires drawn from the plurality of image lines into the area outside the display area and disposed to intersect the common wire, and a plurality of capacitance forming sections connected to the plurality of image lead wires in the area outside the display area and disposed to overlap at least either the common electrode or the common wire via at least either of insulating films.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: November 8, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masahiro Yoshida
  • Patent number: 11497096
    Abstract: A source driver includes at least one data input terminal, a plurality of data output terminals, at least two control terminals and a plurality of source driving circuits. Each source driving circuit is connected to a data input terminal of the at least one data input terminal, a data output terminal of the plurality of data output terminals and the at least two control terminals. The source driving circuit is configured such that: the source driving circuit converts a format of a data signal from the data input terminal; and in response to one of different control signals that is received by all the at least two control terminals, the source driving circuit has a corresponding different output impedance, and transmits the converted data signal to the data output terminal.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 8, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jianwei Sun, Liugang Zhou, Ke Dai, Yizhan Han, Yulong Xiong, Tao Li, Xiaofeng Yin, Maoyang Zhu, Pengjun Fang
  • Patent number: 11487178
    Abstract: This application discloses a display panel and a display device. The display panel includes: a first substrate; a plurality of pixels arranged on the first substrate and including a first pixel and a second pixel; a plurality of data lines and a plurality of scanning lines arranged on the first substrate; a spacer standing portion arranged between two adjacent data lines and at an intersection of four adjacent pixels; and a spacer arranged corresponding to the spacer standing portion. The first pixel and the second pixel are connected to the nth row of data lines and the nth row of scanning lines. The first pixel includes a first main pixel and a first auxiliary pixel arranged adjacent to each other. The second pixel includes a second main pixel and a second auxiliary pixel arranged adjacent to each other.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 1, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: HuaiLiang He
  • Patent number: 11487173
    Abstract: The present application discloses a display panel, a repair method for the display panel and a display device, where a repair line includes a first repair point, a second repair point and a third repair point which overlap with a data line, the first repair point is located on a side of a first overlapping area away from the second repair point, the second repair point is located between the first overlapping area and a second overlapping area, and the third repair point is located on a side of the second overlapping area away from the second repair point.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: November 1, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yanna Yang
  • Patent number: 11487177
    Abstract: A display device includes a substrate, a scan line disposed on the substrate, a storage line parallel to the scan line and a data line intersecting the scan line and the storage line. First and second transistors are electrically connected to the scan line and the data line. A first pixel electrode is disposed on the first transistor and includes a first stem portion, a first contact portion and a first branch portion. The first branch portion electrically connects the first contact portion to the first stem portion, a second pixel electrode is disposed on the second transistor and includes a second stem portion, a second contact portion and a second branch portion. The second branch portion electrically connects the second contact portion to the second stem portion. A first pattern is disposed between the substrate and the second pixel electrode. The first pattern overlaps the second branch portion.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo Hong Cheon, Seong Young Lee, Yong Hee Lee