Patents Assigned to AU Optronics Corporation
  • 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
  • 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: 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: 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: 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: 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: 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: 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
  • Patent number: 11626425
    Abstract: A display panel includes a plurality of sub-pixel structures and a plurality of transfer elements. The sub-pixel structures include a plurality of first sub-pixel structures. A data line of each of the first sub-pixel structures is disposed adjacent to a corresponding transfer element, and a scan line of each of the first sub-pixel structures is electrically connected to the corresponding transfer element. The first sub-pixel structures include a plurality of first-type sub-pixel structures and a plurality of second-type sub-pixel structures. When the display panel displays a grayscale picture, each of the first-type sub-pixel structures has first brightness, each of the second-type sub-pixel structures has second brightness. The first brightness is less than the second brightness. A total number of the first sub-pixel structures of the display panel is A, a number of the first-type sub-pixel structures in the first sub-pixel structures is a, and 50%<(a/A)<100%.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: April 11, 2023
    Assignee: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Ya-Ling Hsu, Chen-Hsien Liao
  • Patent number: 11625943
    Abstract: A fingerprint sensing apparatus including a first substrate, a light sensing structure, a second substrate, a lens layer, a filler, and a first light shielding layer is provided. The light sensing structure is disposed on a sensing area of the first substrate. The lens layer is disposed on the second substrate. The lens layer has multiple first convex portions and a first concave portion. The filler is disposed between the lens layer and the light sensing structure. The refractive index of the filler is greater than the refractive index of the lens layer. The first light shielding layer is disposed between the second substrate and the lens layer. A solid of the first light shielding layer overlaps the first convex portions of the lens layer. An opening of the first light shielding layer overlaps the first concave portion of the lens layer.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: April 11, 2023
    Assignee: Au Optronics Corporation
    Inventors: Jui-Ping Yu, Che-Wei Lin
  • Patent number: 11626553
    Abstract: A light-emitting apparatus including a circuit substrate and a light-emitting device is provided. The circuit substrate includes a first electrode and a second electrode. The light-emitting device is disposed on a first surface of the circuit substrate. The light-emitting device includes a first conductive terminal and a second conductive terminal. The first conductive terminal and the second conductive terminal are embedded between the first electrode and the second electrode. In a first direction, there is a first distance between an inner edge of the first electrode and an inner edge of the second electrode, there is a second distance between an outer edge of the first conductive terminal and an outer edge of the second conductive terminal, and the first distance is greater than or equal to the second distance.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: April 11, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chung En Peng, Chung-Chan Liu
  • Patent number: 11626272
    Abstract: A sputtering equipment is adapted for sputtering substrates, where each of the substrates includes two opposite main surfaces and side surfaces connecting the two main surfaces. The sputtering equipment includes a cavity, at least one target set and a carrier box. The at least one target set is disposed in the cavity, the target set includes targets, and the targets are staggered at both side surfaces of an axis. The carrier box is movably disposed so as to enter and exit the cavity, and includes substrate accommodating grooves. The substrates are adapted for being placed in the substrate accommodating grooves of the carrier box, and at least one side surface of each of the substrates is located outside the carrier box and protrudes toward the at least one target set.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: April 11, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chun-Yueh Hou, Hao-An Chuang
  • Patent number: 11620026
    Abstract: A touch apparatus includes first touch electrodes and second touch electrodes. The first touch electrodes and the second touch electrodes are interlaced, so as to define first interlaced regions. Each of the first touch electrodes includes first main portions extended in a first direction and second main portions extended in a second direction. The first main portions and the second main portions are crossed, so as to form first grids. Each of the first touch electrodes further includes first branches crossed with two segments of two adjacent first main portions of at least one of the first grids.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: April 4, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chieh-Ming Chen, Bo-Ru Jian
  • Patent number: 11620940
    Abstract: The present disclosure provides a driving circuit, including a transistor and a level shifter. The first terminal of the transistor is electrically connected to a light emitting diode and is configured to receive a supply voltage. The second terminal of the transistor is configured to receive a first reference voltage. The level shifter is configured to receive an input signal from a previous-stage driving circuit and adjust the voltage level of the input signal according to a voltage operating range formed by the supply voltage and the first reference voltage to generate a level-shifted signal corresponding to the voltage operating range and configured to control the transistor. The input signal varies between a second reference voltage and the supply voltage. The second reference voltage and the first reference voltage are different from each other and both lower than the supply voltage.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: April 4, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chung-Hsien Hsu, Ming-Hung Tu, Ya-Fang Chen, Chih-Hsiang Yang
  • Patent number: 11619845
    Abstract: This disclosure relates to a display device which includes a light transmissible layer and a second material. The light transmissible layer includes a first material, wherein the first material generates a first color transformation from a first color to a second color after being exposed under a light of the first wavelength range. The second material is either included in the light transmissible layer or has a projective area overlapped with the light transmissible layer. The second material generates a second color transformation from the second color to the first color after being exposed under a light of the first wavelength range.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: April 4, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Shih-Ping Lin
  • Publication number: 20230097567
    Abstract: Provided is a manufacturing method of an active device substrate including the following steps. A blind hole is formed in a substrate. A first conductive pattern and an active device are formed on a first surface of the substrate, where the first conductive pattern overlaps the blind hole. After the first conductive pattern and the active device are formed, an etching process is executed on the substrate to form a through hole penetrating the substrate at the position of the blind hole. A conductive material is filled into the through hole to form a conductive hole. The conductive hole is electrically connected to the first conductive pattern. A second conductive pattern is formed on a second surface of the substrate, where the second conductive pattern is electrically connected to the first conductive pattern through the conductive hole.
    Type: Application
    Filed: November 4, 2021
    Publication date: March 30, 2023
    Applicant: Au Optronics Corporation
    Inventors: Yi-Yueh Hsu, Kuan-Hsun Chen
  • Publication number: 20230101106
    Abstract: A display device includes a first substrate, a first circuit structure, and light-emitting element package structures. The first circuit structure is located above the first substrate, and the first circuit structure has holes. Light-emitting element package structures are located above the first circuit structure. Each light-emitting element package structure includes a second substrate and at least one light-emitting element. The light emitting element is located between the second substrate and the first substrate, emitting toward the first circuit substrate, and overlapping with corresponding hole of the first circuit structure. The width of the corresponding hole near the first substrate is greater than the width of the corresponding hole near the second substrate.
    Type: Application
    Filed: October 26, 2021
    Publication date: March 30, 2023
    Applicant: Au Optronics Corporation
    Inventors: Chi-Ho Chang, Jian-Jhou Tseng