Patents Assigned to AU Optronics
  • Patent number: 11656704
    Abstract: A driving circuit includes a driving transistor, a capacitor, a reset circuit, a touch sensing electrode, a sensing circuit, and a read circuit. The capacitor is electrically coupled to a gate terminal of the driving transistor. The reset circuit is electrically coupled to the gate terminal of the driving transistor, and the reset circuit is configured to reset the voltage level of the gate terminal of the driving transistor. The sensing circuit is electrically coupled between the touch sensing electrode and the gate terminal of the driving transistor, and the sensing circuit is configured to transmit the voltage level of the touch sensing electrode to the gate terminal of the driving transistor. The read circuit is electrically coupled to the driving transistor, and the read circuit is configured to output a touch sensing signal according to the voltage level of the gate terminal of the driving transistor.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: May 23, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Shu-Hao Huang, Sung-Yu Su
  • Publication number: 20230143881
    Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, a pixel electrode, a common electrode, a first polarizer and a second polarizer. The pixel electrode includes a trunk portion, first to fourth branch portions, and first to fourth strip portions. The trunk portion extends along a first direction. The first and second branch portions are connected to a first end of the trunk portion. The third and fourth branch portions are connected to a second end of the trunk portion. The first strip portions are connected to the first and second branch portions. The second strip portions are connected to the third and fourth branch portions. The third strip portions are connected to the first and third branch portions and the trunk portion. The fourth strip portions are connected to the second and fourth branch portions and the trunk portion.
    Type: Application
    Filed: March 15, 2022
    Publication date: May 11, 2023
    Applicant: Au Optronics Corporation
    Inventors: Tzu-Wei Kuo, Yi-Chu Wang, Hung-Che Lin, Shun-Ling Hou, Sheng-Ju Ho, Chian-Wen Hsu
  • Patent number: 11644708
    Abstract: A light shielding element substrate includes a substrate, a transparent island structure and a first light shielding layer. The transparent island structure is located on the substrate. The first light shielding layer is located on the transparent island structure. The first light shielding layer is overlapping with a part of the top surface of the transparent island structure. The first light shielding layer has a first through hole overlapping the top surface of the transparent island structure.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: May 9, 2023
    Assignee: Au Optronics Corporation
    Inventors: Ming-Yao Chen, Jui-Chi Lo, Jui-Ping Yu
  • Patent number: 11644705
    Abstract: Provided is a display apparatus including a first display panel, a second display panel, and at least one light-absorbing layer. The first display panel has a first splicing surface. The second display panel has a second splicing surface opposite to the first splicing surface. The at least one light-absorbing layer is disposed on at least one of the first splicing surface and the second splicing surface.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: May 9, 2023
    Assignee: Au Optronics Corporation
    Inventors: Hao-Shiun Yang, Chien-Chi Chen, Shang-Chiang Lin
  • Patent number: 11646301
    Abstract: A display device includes a circuit board and a plurality of light-emitting units disposed on the circuit board. The circuit board includes a substrate and a plurality of signal lines disposed on the substrate. Each light-emitting unit includes a base board, at least one light-emitting element and a driving circuit layer. The light-emitting element is between the base board and the substrate. The driving circuit layer is between the light-emitting element and the base board, and electrically connected to the light-emitting element and the signal line.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: May 9, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chi-Ho Chang, Yang-En Wu
  • Patent number: 11646320
    Abstract: A pixel array substrate, including multiple pixel structures, is provided. Each of the pixel structures includes a first common electrode, a thin film transistor, a conductive pattern, a first insulating layer, a color filter pattern, a second insulating layer, and a pixel electrode. The conductive pattern is electrically connected to the thin film transistor. A first portion of the conductive pattern is disposed on the first common electrode. The first insulating layer is disposed on the conductive pattern. The color filter pattern is disposed on the first insulating layer. The second insulating layer is disposed on the color filter pattern. The pixel electrode is disposed on the second insulating layer. In a top view of the pixel array substrate, the first portion of the conductive pattern covers all edges of the first common electrode within an opening of the color filter pattern.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: May 9, 2023
    Assignee: Au Optronics Corporation
    Inventors: Yueh-Chi Wu, Ti-Kuei Yu, Shu-Wen Liao
  • 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
  • Publication number: 20230137029
    Abstract: A photosensitive device includes a substrate, an active element layer, a first photosensitive element and a second photosensitive element. Each first photosensitive element includes a first lower conductive structure, a first photosensitive layer, and a first upper conductive structure stacked in sequence. Each second photosensitive element includes a second lower conductive structure, a second photosensitive layer, and a second upper conductive structure stacked in sequence. The first upper conductive structure includes an opaque electrode or a semi-transparent electrode, and the second upper conductive structure includes a transparent electrode. The first upper conductive structure is configured to make a signal difference between a photocurrent signal and a dark current signal of the first photosensitive element smaller than a signal difference between a photocurrent signal and a dark current signal of the second photosensitive element.
    Type: Application
    Filed: May 11, 2022
    Publication date: May 4, 2023
    Applicant: Au Optronics Corporation
    Inventors: Chih-Chung Su, Shin-Shueh Chen
  • Publication number: 20230136759
    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: Application
    Filed: March 24, 2022
    Publication date: May 4, 2023
    Applicant: Au Optronics Corporation
    Inventors: Hung-Che Lin, Yi-Chu Wang, Chien-Huang Liao, Yi-Tse Lin, Fu-ming Yu
  • Publication number: 20230140381
    Abstract: A stretchable display panel includes a first stretchable film, a first transparent optical clear adhesive, a patterned organic layer, multiple light-emitting elements, and multiple wires. The first transparent optical clear adhesive is located on the first stretchable film. The patterned organic layer includes multiple first island portions and multiple first bridge portions. Any adjacent two of the first island portions are connected via a corresponding one of the first bridge portions. The light-emitting elements are located above the first island portions. The first transparent optical clear adhesive is located between the light-emitting elements and the first stretchable film. A first surface of the patterned organic layer faces away from the light-emitting elements. An included angle between the first surface and a first side surface of the first island portions is greater than 90 degrees. The wires are located above the first bridge portions.
    Type: Application
    Filed: March 24, 2022
    Publication date: May 4, 2023
    Applicant: Au Optronics Corporation
    Inventors: Cheng-Wei Jiang, Yi-Da He
  • Patent number: 11640785
    Abstract: A pixel driving device includes a driving transistor, a pixel driving circuit, an optical sensor circuit, and a reset and reading circuit. Driving transistor controls a light emission device. Pixel driving circuit is connected to the driving transistor and resets according to a first sweep signal. Pixel driving circuit compensates according to a second sweep signal. Pixel driving circuit controls the driving transistor according to a driving signal to drive light emission device. Optical sensor circuit includes a node. Optical sensor circuit resets the node to a voltage level of the driving signal. Light sensing circuit performs sensing to generate a light sensing signal. Reset and reading circuit is connected to the driving transistor, the pixel driving circuit, and the optical sensor circuit. Reset and reading circuit receives a reset and reading signal so as to reset the pixel driving circuit and to read out the light sensing signal.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: May 2, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chia-En Wu, Ming-Hsien Lee, Shu-Han Chang, Chun-Shiang Dai
  • Patent number: 11640097
    Abstract: A total internal reflection display includes a sub-pixel, a reflecting layer, at least one first stereoscopic electrode and a display medium layer. The sub-pixel is defined by a color filter and a black matrix disposed adjacently to the color filter. The reflecting layer is located beneath the sub-pixel. The first stereoscopic electrode is located beneath the black matrix. The width of the first stereoscopic electrode is less than the width of the black matrix. The display medium layer is located between the sub-pixel and the reflecting layer. The height of the first stereoscopic electrode is greater than half of the thickness of the display medium layer.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: May 2, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chun-Yu Lin, Kun-Cheng Tien
  • Patent number: 11641192
    Abstract: A level shifter includes a buffer circuit, a first shift circuit, and a second shift circuit. The buffer circuit provides a first signal and a first inverted signal to the first shift circuit, such that the first shift circuit provides a second signal and a second inverted signal to the second shift circuit. The second shift circuit generates a plurality of output signals according to the second signal and the second inverted signal. The first shift circuit includes a plurality of first stacking transistors and a first voltage divider circuit. The first voltage divider circuit is electrically coupled between a first system high voltage terminal and a system low voltage terminal. The first voltage divider circuit is configured to provide a first inner bias to gate terminals of the first stacking transistors.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: May 2, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yi-Chen Lu, Hsu-Chi Li, Yi-Jan Chen, Boy-Yiing Jaw, Chin-Tang Chuang, Chung-Hung Chen
  • Patent number: 11637136
    Abstract: A display device, including a pixel array substrate and a sensor element substrate, is provided. The sensor element substrate overlaps the pixel array substrate, and includes a substrate, a switch element, and a photosensitive element. The switch element is located on the substrate. The photosensitive element is electrically connected to the switch element, and includes a transparent electrode, a sensing layer, a metal electrode, and a barrier layer. The sensing layer is located on the transparent electrode. The metal electrode is located on the sensing layer, and covers a first sidewall of the sensing layer. The barrier layer covers a first sidewall of the transparent electrode. The barrier layer is located between the metal electrode and the sensing layer, or between the transparent electrode and the sensing layer.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: April 25, 2023
    Assignee: Au Optronics Corporation
    Inventors: Shin-Shueh Chen, Yi-Wei Chen
  • Patent number: 11636794
    Abstract: A pixel driving device includes at least one data line and at least one driver integrated circuit. The at least one data line includes a first area and a second area on both sides. The first area and the second area are separated by the at least one data line. The at least one driver integrated circuit includes a first circuit and a second circuit. The first circuit is disposed in the first area, is configured to receive at least one first high-frequency signal so as to at least one first driving signal. The second circuit is disposed in the second area, is coupled to the first circuit and is configured to receive at least one low-frequency signal.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: April 25, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Che-Chia Chang, Yi-Jung Chen, Shang-Jie Wu, Yu-Chieh Kuo, Hsien-Chun Wang, Ming-Hung Chuang, Mei-Yi Li, Chen-Ying Chou, Sin-An Lin
  • Patent number: 11635530
    Abstract: An X-ray sensing device includes a photosensitive element, lead-containing glass, and an X-ray conversion structure. The photosensitive element is configured to sense light having a first wavelength. The lead-containing glass overlaps the photosensitive element. The X-ray conversion structure is disposed on the lead-containing glass. The lead-containing glass is located between the photosensitive element and the X-ray conversion structure. The X-ray conversion structure is configured to at least partially convert X-rays into light having the first wavelength.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: April 25, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chia-Hsiu Tsai, Chia-Ming Chang, Ruei-Pei Chen
  • Patent number: 11638380
    Abstract: An illumination apparatus including a transparent substrate, an opposite substrate and an electroluminescence structure disposed between the transparent substrate and the opposite substrate is provided. The transparent substrate has a first region and a second region adjacent to the first region. The electroluminescence structure is disposed on the transparent substrate. The electroluminescence structure includes a first electrode disposed in the first region, an optical adjusting layer disposed in the second region, an organic electroluminescence layer disposed above the first electrode and the optical adjusting layer and a common electrode disposed above the organic electroluminescence layer. The optical adjusting layer is disposed between the organic electroluminescence layer and the transparent substrate.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 25, 2023
    Assignee: Au Optronics Corporation
    Inventors: Hsin-Hui Wu, Kuan-Heng Lin, Meng-Ting Lee
  • Patent number: 11631701
    Abstract: A display device includes a display medium layer, an active component array layer, a support layer, and a first adhesive layer. The display medium layer has a light-emitting surface. The active component array layer is disposed on a side of the display medium layer away from the light-emitting surface. The support layer is disposed on a side of the active component array layer away from the display medium layer. The first adhesive layer is connected between the active component array layer and the support layer, in which the active component array layer is directly connected to the first adhesive layer. The first adhesive layer has a Young's modulus greater than 10 GPa.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: April 18, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Tsung-Ying Ke
  • Publication number: 20230112531
    Abstract: A display panel includes a pixel array substrate, a plurality of vertical light emitting devices and a flip-chip light emitting device. The pixel array substrate has a first pixel area and a second pixel area. The vertical light emitting devices are disposed in the first pixel area and the second pixel area and electrically connected to the pixel array substrate. The flip-chip light emitting device is disposed in the second pixel area and electrically connected to the pixel array substrate. A color of an emitted light beam of the flip-chip light emitting device and a color of an emitted light beam of one of the vertical light emitting devices located in the first pixel area are identical.
    Type: Application
    Filed: March 23, 2022
    Publication date: April 13, 2023
    Applicant: Au Optronics Corporation
    Inventors: Yang-En Wu, Shih-Hsiung Lin, Jenn-Jia Su, June Woo Lee
  • Patent number: 11624949
    Abstract: A display device including a display area and a non-display area is provided. The display area includes a display panel, a switch unit and a first reflective film. The non-display area includes a second reflective film. The switch unit is disposed on the display panel. The first reflective film is disposed between the display panel and the switch unit. When the display device is set in a pattern mode, the display panel does not emit image light. For the pattern mode, the reflectivity in the display area is approximately equal to the reflectivity in the non-display area for ambient light.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: April 11, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chun Hsu, Yu-Ping Kuo, Hsiao-Wei Cheng