Patents Assigned to AU Optronics Corporation
  • Patent number: 11372297
    Abstract: A display panel including a pixel array substrate, an opposite substrate, and a display media is provided. The pixel array substrate includes a substrate, a plurality of scan lines, a plurality of data lines, a plurality of pixel units, and a gate driving circuit. The gate driving circuit including a plurality of first signal lines, a plurality of second signal lines, a plurality of dummy signal lines, and a plurality of contact structures is disposed in a peripheral region of the substrate. Each of the second signal lines is electrically connected to one corresponding first signal line. Each of the dummy signal lines is electrically connected to one corresponding second signal line via one corresponding contact structure. Each of the first signal lines is electrically connected to the corresponding second signal line via one corresponding contact structure.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: June 28, 2022
    Assignee: Au Optronics Corporation
    Inventors: Cheng-Hung Ko, Yi-Fu Chen, Yu-Sen Chang, Chia-Heng Chen, Hsiao-Chun Chen, You-Ying Lin, Cheng-An Hsieh
  • Patent number: 11371885
    Abstract: An optical sensor circuit is provided. In the optical sensor circuit, an output stage circuit transmits a voltage of first and second node to the output line according to a first driving signal. A first sensor is configured to generate a first photocurrent according to a first color light that senses an ambient light, and generate a second photocurrent according to a second color light. A second sensor is configured to generate a third photocurrent according to a third color light, and generate a fourth photocurrent according to the second color light. In a sensing phase, when the first sensor senses the first color light, and the second sensor senses the third color light, the first sensor adjusts a voltage level of the voltage according to the first photocurrent, and the second sensor adjusts the voltage level of the voltage according to the third photocurrent.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: June 28, 2022
    Assignees: Au Optronics Corporation, National Cheng-Kung University
    Inventors: Chih-Lung Lin, Chia-En Wu, Chia-Lun Lee, Jui-Hung Chang, Jian-Shen Yu
  • Patent number: 11374034
    Abstract: A display panel includes a pixel array, a plurality of first wirings, a plurality of second wirings, a conductive line and an insulation layer. The pixel array includes a plurality of first pixels and a plurality of second pixels. The first wirings are electrically connected to the first pixels, respectively. The second wirings are electrically connected to the second pixels, respectively. The conductive line extends to partially overlap the second wirings and is electrically connected to the second wirings, in which the conductive line is configured to provide a same-color signal to the second pixels. The insulation layer is disposed between the first wirings and the conductive line.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: June 28, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Meng-Ting Hsieh
  • Publication number: 20220198175
    Abstract: A display device includes a substrate, a sensing element, a lighting-emitting element, a driving element, and a transfer wire. The substrate has a first surface, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface. The sensing element is disposed on the first surface of the substrate, and the lighting-emitting element is disposed on the second surface of the substrate. The driving element is disposed on the first surface or the second surface of the substrate. The transfer wire is disposed on the side surface of the substrate. The driving element is electrically connected to the lighting-emitting element or the sensing element via the transfer wire. An orthogonal projection of the sensing element on the substrate is located outside an orthogonal projection of the lighting-emitting element on the substrate.
    Type: Application
    Filed: October 31, 2021
    Publication date: June 23, 2022
    Applicant: Au Optronics Corporation
    Inventors: Shin-Shueh Chen, Chih-Chung Su
  • Patent number: 11367378
    Abstract: A driving method includes the following steps: driving a first dummy pixel circuit according to a first test signal, and driving a display pixel circuit according to a driving signal, wherein the first test signal is maintained at a value corresponding to a first gray level; detecting a detection voltage change value cross a light-emitting element in the display pixel circuit is driven for a driving time, and detecting a first test voltage change value cross a light-emitting element in the first dummy pixel circuit is driven for the driving time; and adjusting the driving signal according to the detection voltage change value, the first test voltage change value and a second test voltage change value, wherein the second test voltage change value is obtained by detecting a second dummy pixel circuit or from a memory unit.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: June 21, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Pei-Lin Hsieh, Che-Ming Hsu
  • Patent number: 11367386
    Abstract: A light sensing pixel including a first transistor, a compensation circuit, an output circuit, a capacitor and a light sensing circuit is provided. The control terminal of the first transistor is coupled with a first node. The first terminal of the first transistor is configured to receive a first operation voltage or a second operation voltage lower than the first operation voltage. The compensation circuit is configured to detect a threshold voltage of the first transistor, and is configured to form a diode-connected structure with the first transistor. The output circuit is coupled between the second terminal of the first transistor and a sensing line. The capacitor is coupled between the first node and the light sensing circuit. In response to the light sensing circuit is illuminated by light, the first terminal of the capacitor and the second terminal of the capacitor generate voltage variations simultaneously.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: June 21, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Li-Wei Shih, Po-Chun Lai
  • Patent number: 11366358
    Abstract: A display apparatus includes a display panel and a switching panel disposed outside the display panel. The switching panel includes a first base, first and second electrodes disposed on the first base, a second base, third and fourth electrodes disposed on the second base, and a liquid crystal layer disposed between the first base and the second base. When the display apparatus is operated in a first anti-peep mode, the first electrode and the second electrode disposed on the first base have a first AC driving signal and a second AC driving signal respectively, and the third electrode and the fourth electrode disposed on the second base have DC reference signals respectively, wherein the first AC driving signal and the second AC driving signal are in synchronization.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: June 21, 2022
    Assignee: Au Optronics Corporation
    Inventors: Cian-Rou Wu, Kun-Cheng Tien, Chien-Huang Liao, Chin-An Lin
  • Patent number: 11367795
    Abstract: A semiconductor device including a first substrate and a thin film transistor disposed on the first substrate is provided. The thin film transistor includes a gate, a semiconductor pattern, a first insulating layer, a source and a drain. The first insulating layer is disposed between the gate and the semiconductor pattern. The source and the drain are separated from each other and disposed corresponding to the semiconductor pattern. At least one of the source and the drain has a first copper patterned layer and a first copper oxynitride patterned layer. The first copper oxynitride patterned layer covers the first copper patterned layer. The first copper patterned layer is disposed between the first copper oxynitride patterned layer and the first substrate. Moreover, a manufacturing method of the semiconductor device is also provided.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: June 21, 2022
    Assignee: Au Optronics Corporation
    Inventors: Ting-Fong Chien, Po-Liang Yeh, Chen-Chung Wu, Chia-Ming Chang, Chun-An Chang
  • Publication number: 20220188589
    Abstract: An integrated circuit, a wireless communication card and a wiring structure of an identification mark are provided. The integrated circuit includes a power supply wiring, a ground wiring and at least one identification mark pattern. Each identification mark pattern has a first conductive wiring and a second conductive wiring that overlap each other, wherein the first conductive wiring is electrically connected to the power wiring, and the second conductive wiring is electrically connected to the ground wiring.
    Type: Application
    Filed: March 1, 2022
    Publication date: June 16, 2022
    Applicant: Au Optronics Corporation
    Inventors: Shyh-Bin Kuo, Hsiang-Chi Cheng, Sin-Jie Wang, Yi-Cheng Lai, Chung-Hung Chen, Shih-Hsing Hung
  • Patent number: 11361701
    Abstract: The present disclosure relates to a driving circuit including a pulse amplitude modulation (PAM) circuit and a pulse width modulation (PWM) circuit. The PAM circuit includes a first transistor, a first capacitor, and a second transistor. The PWM circuit includes a second capacitor, a third transistor, and a fourth transistor. The first capacitor's first terminal is connected to the first transistor's gate. The second transistor's first terminal is connected to the first capacitor's first terminal, and the second transistor's second terminal is connected to the first transistor's second terminal. The third transistor's gate is connected to the second capacitor's second terminal. The fourth transistor's first terminal is connected to the third transistor's gate, the fourth transistor's second terminal is connected to the third transistor's second terminal, and the fourth transistor's gate is connected to the second transistor's gate and configured to receive a first control signal.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: June 14, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Che-Wei Tung, Shang-Jie Wu, Yu-Chieh Kuo, Yu-Hsun Chiu, Che-Chia Chang, Yu-Zuo Lin, Chen-Ying Chou, Yi-Fan Chen
  • Patent number: 11360595
    Abstract: A touch display device, including a substrate and multiple light-emitting units bonded to the substrate, is provided. Each of the multiple light-emitting units includes at least one light-emitting element. A first light-emitting unit of the multiple light-emitting units includes at least one sensing element. In the first light-emitting unit, the at least one sensing element is located between the at least one light-emitting element and the substrate. The orthographic projection of the at least one sensing element on the substrate overlaps the orthographic projection of the at least one light-emitting element on the substrate.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventors: Guan-Wu Chen, Chun-Yen Kuo
  • Patent number: 11362168
    Abstract: A display panel including sub pixels, a plurality of first and second scan lines, a plurality of first and second data lines, a plurality of first and second auxiliary lines and first conductive vias is provided. The sub pixels are arranged into first rows arranged in a first direction and second rows arranged in a second direction. The second rows are electrically connected to the first and second scan lines in alternation and are electrically connected to the first and second data lines in alternation. Each first auxiliary line includes a first portion electrically connected to a corresponding first scan line and a second portion spaced away from the first portion. The second auxiliary lines are respectively located between two adjacent first rows. Each second scan line is electrically connected to a corresponding first scan line through at least one second auxiliary line.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventors: Jia-Hong Wang, Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Han-Ming Chen, Ping-Wen Chen, Hung-Chia Liao, Ya-Ling Hsu, Chen-Hsien Liao
  • Patent number: 11360593
    Abstract: A touch panel includes a substrate, touch signal lines, sub-pixels, touch electrode groups, and at least one common signal array. The touch signal lines and the sub-pixels are located on substrate. Each of the sub-pixels includes a switch element and a pixel electrode. The switch element is electrically connected to a corresponding scan line and a corresponding data line. The touch electrode groups include touch electrodes. The touch electrodes overlap the pixel electrodes of the sub-pixels. Each of the touch electrode groups is electrically connected to a corresponding one of the touch signal lines. The common signal array includes common electrodes. Each of the common electrodes overlaps at least one of the scan line and the data line. The number of the sub-pixels overlapped by the common signal array is greater than the number of the sub-pixels overlapped by each of the touch electrode groups.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Sheng-Chin Fan, Che-Min Lin, Chun-Ru Huang, Chen-Hao Chiang, Yu-Hsin Hsieh, Zeng-De Chen
  • Patent number: 11362216
    Abstract: An active device substrate includes a substrate, a first active device, and a second active device. The first active device includes a first gate, a crystallized metal oxide layer, a first insulation layer, a first source, and a first drain. The crystallized metal oxide layer is located on the first gate. The first insulation layer is sandwiched between the crystallized metal oxide layer and the first gate. An area from the top surface of the crystallized metal oxide layer to the bottom surface of the crystallized metal oxide layer is observed via a selected area diffraction mode of a transmission electron microscope, and a diffraction pattern of a crystallized phase can be observed. The second active device includes a second gate, a silicon semiconductor layer, a second source, and a second drain. A manufacturing method of an active device substrate is further provided.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventor: Jia-Hong Ye
  • Patent number: 11362244
    Abstract: A light-emitting diode display having sub-pixel regions is provided. Each of the sub-pixel region includes a substrate, first and second electrodes, a light-emitting diode, and at least one blocking wall. The substrate has an active device. The first and second electrodes are separately disposed on the substrate. The first electrode is electrically connected to the active device, and a horizontal distance between the first and second electrodes is W1. The light-emitting diode is disposed on the substrate and includes a semiconductor stack, and first and second pads. The first pad contacts the first electrode, the second pad contacts the second electrode, and a maximum thickness of the semiconductor stack is H1. The blocking wall is disposed on the substrate and located between the first and second pads to prevent a contact therebetween. A height of the blocking wall is H2 and a width thereof is W2. H2?½H1, and W2?W1.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventors: Yi-Fen Lan, Tsung-Tien Wu
  • Publication number: 20220182508
    Abstract: A display device includes a first substrate, a red sub-pixel, a green sub-pixel, a blue sub-pixel, a plurality of photosensitive devices, and a second substrate. The red sub-pixel, the green sub-pixel, and the blue sub-pixel are located on a first side of the first substrate. The photosensitive devices are located on the first side of the first substrate. Each of the photosensitive devices overlaps at least one of the red sub-pixel, the green sub-pixel, and the blue sub-pixel. Each of the photosensitive devices includes an active element and a photosensitive element. The active element is located on the first substrate. The photosensitive element is electrically connected to the active element. The second substrate overlaps the first substrate.
    Type: Application
    Filed: November 2, 2021
    Publication date: June 9, 2022
    Applicant: Au Optronics Corporation
    Inventors: Hsun-Chen Chu, Tsu-Chien Tung, Yu-Han Huang, Chia-Bin Hsiao, Chao-Chien Chiu
  • Patent number: 11355045
    Abstract: A multiplexer circuit includes a first switch unit and a second switch unit. The first switch unit is electrically connected to a first data line and a first pixel circuit, and configured to turn on according to a first signal in a first time duration. The second switch unit is electrically connected to the first data line and a second pixel circuit, and configured to turn on according to a second signal in a second time duration. The first time duration and the second time duration substantially start or end at a same time, so that the first time duration and the second time duration have overlap.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: June 7, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Rong-Fu Lin, Chi Yu, Chih-Fu Yang, Jie-Chuan Huang, Sung-Yu Su
  • Patent number: 11355569
    Abstract: An active device substrate includes a substrate, a silicon layer, a first insulating layer, a first gate, a first dielectric layer, a first transfer electrode, a second transfer electrode, and a second dielectric layer. Two openings penetrate through the first dielectric layer and overlap the silicon layer. The first transfer electrode and the second transfer electrode are respectively located in the two openings. The second dielectric layer is located on the first transfer electrode and the second transfer electrode. Two first through-holes penetrate through the second dielectric layer. The first transfer electrode and the second transfer electrode are etch stop layers of the two first through-holes.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: June 7, 2022
    Assignee: Au Optronics Corporation
    Inventors: Chen-Shuo Huang, Hung-Wei Li
  • Patent number: 11348502
    Abstract: The present invention of the embodiment provides a drive circuit, comprising a first group of drive circuits and a second group of drive circuits each having multiple stages of gate drive circuits connected in series, each stage of the gate drive circuits comprising a shift register outputting a first gate drive signal and a touch voltage stabilizing unit coupled to the shift register, the touch voltage stabilizing unit comprising a reference end electrically connected to a reference potential of the shift register, a first voltage stabilizing end electrically connected to the first gate drive signal, a second voltage stabilizing end outputting a second gate drive signal and a signal end electrically connected to a control signal, wherein the control signal disables the touch voltage stabilizing unit during a display period, and the control signal enables the touch voltage stabilizing unit during a touch period.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: May 31, 2022
    Assignees: AU OPTRONICS (KUNSHAN) CO., LTD., AU OPTRONICS CORPORATION
    Inventors: Tsi-Hsuan Hsu, Manman Li, Chun-Da Tu, Fu Liang Lin
  • Patent number: 11348509
    Abstract: A display device includes multiple shift register groups, multiple multiplexer groups, a driver IC, and multiple pixel circuits. The driver IC is configured to control the multiple shift register groups and the multiple multiplexer groups. A shift register group of the multiple shift register groups and a multiplexer group of the multiple multiplexer groups cooperatively drive a part of pixel circuits of the multiple pixel circuits. When the shift register group and the multiplexer group are enabled in a first time period, other shift register groups and other multiplexer groups are enabled in a second time period within the first time period. The first time period is longer than the second time period to render the part of pixel circuits and another part of pixel circuits to respectively have a first frame rate and a second frame rate.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: May 31, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Che-Chia Chang, Ming-Hsien Lee, Chun-Fu Chung, Ming-Hung Chuang