Patents by Inventor He-Yi Cheng

He-Yi Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11983052
    Abstract: A display device and a bezel thereof are provided. The display device includes a display panel and a bezel. The display panel has a first surface and a second surface. The first surface includes at least one pixel pad section, and the second surface includes at least one circuit pad section. The bezel includes a first surface connecting portion, a second surface connecting portion and at least one conductive wire. The edge of the display panel having the pixel pad section and the circuit pad section is accommodated between the first surface connecting portion and the second surface connecting portion. Each conductive wire has a first end and a second end. The first end is disposed on the first surface connecting portion and the second end is disposed on the second surface connecting portion. The part of the first connecting portion having the first end corresponds to the pixel pad section, and the part of the second connecting portion having the second end corresponds to the circuit pad section.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: May 14, 2024
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yi-Fan Chen, Che-Chia Chang, Shang-Jie Wu, Yu-Chieh Kuo, Yi-Jung Chen, Yu-Hsun Chiu, Mei-Yi Li, He-Yi Cheng
  • Patent number: 11610533
    Abstract: A driving circuit includes a light-emitting element, a first transistor, a second transistor, a third transistor, a fourth transistor, a first capacitor and a regulator circuit. The first transistor, the second transistor and the light-emitting element are coupled in series between a first system voltage terminal and a second system voltage terminal. A first terminal of the first transistor is coupled to the first system voltage terminal. The third transistor is electrically coupled between a gate terminal and a second terminal of the first transistor. The fourth transistor is electrically coupled between the gate terminal of the first transistor and the second system voltage terminal. A first terminal of the first capacitor is electrically coupled to the gate terminal of the first transistor. A regulator circuit is electrically coupled to a second terminal of the first capacitor.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: March 21, 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, He-Yi Cheng, Yi-Fan Chen
  • Patent number: 11611024
    Abstract: A display device includes a substrate and pixels. The substrate has an intermediate region and a peripheral region. Each of the pixels includes sub-pixels. Each of the sub-pixels includes a pad group and a light emitting diode (LED) element. The pad group has a first pad and a second pad. The LED element is electrically connected to the first pad and the second pad. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. The first pads and the second pads of the pad groups of the sub-pixels of each of the standard pixels are arranged in a first direction. The peripheral pixels include a first peripheral pixel. The first pads and the second pads of the pad groups of the sub-pixels of the first peripheral pixel are arranged in a second direction, and the first direction crosses over the second direction.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: March 21, 2023
    Assignee: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Patent number: 11600221
    Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: March 7, 2023
    Assignee: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Patent number: 11552230
    Abstract: A pixel array substrate includes a base, pixel structures, first bonding pads, first wirings, and a first testing element. The pixel structures are disposed on an active area of a first surface of the base. The first bonding pads are disposed on a peripheral region of the first surface. Each of the first wirings is disposed on a corresponding first bonding pad, a first sidewall of the base, and a corresponding second bonding pad. The first testing element is disposed on the active area of the first surface and has a first testing line. The first testing line is electrically connected to at least one of the first bonding pads, and an end of the first testing line is substantially aligned with an edge of the base.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: January 10, 2023
    Assignee: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Hao-An Chuang, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li, Yu-Chin Wu
  • Publication number: 20220114947
    Abstract: A driving circuit includes a light-emitting element, a first transistor, a second transistor, a third transistor, a fourth transistor, a first capacitor and a regulator circuit. The first transistor, the second transistor and the light-emitting element are coupled in series between a first system voltage terminal and a second system voltage terminal. A first terminal of the first transistor is coupled to the first system voltage terminal. The third transistor is electrically coupled between a gate terminal and a second terminal of the first transistor. The fourth transistor is electrically coupled between the gate terminal of the first transistor and the second system voltage terminal. A first terminal of the first capacitor is electrically coupled to the gate terminal of the first transistor. A regulator circuit is electrically coupled to a second terminal of the first capacitor.
    Type: Application
    Filed: September 8, 2021
    Publication date: April 14, 2022
    Inventors: Che-Chia CHANG, Yi-Jung CHEN, Shang-Jie WU, Yu-Chieh KUO, Hsien-Chun WANG, Ming-Hung CHUANG, Mei-Yi LI, He-Yi CHENG, Yi-Fan CHEN
  • Publication number: 20220059024
    Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Applicant: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Publication number: 20210373623
    Abstract: A display device and a bezel thereof are provided. The display device includes a display panel and a bezel. The display panel has a first surface and a second surface. The first surface includes at least one pixel pad section, and the second surface includes at least one circuit pad section. The bezel includes a first surface connecting portion, a second surface connecting portion and at least one conductive wire. The edge of the display panel having the pixel pad section and the circuit pad section is accommodated between the first surface connecting portion and the second surface connecting portion. Each conductive wire has a first end and a second end. The first end is disposed on the first surface connecting portion and the second end is disposed on the second surface connecting portion. The part of the first connecting portion having the first end corresponds to the pixel pad section, and the part of the second connecting portion having the second end corresponds to the circuit pad section.
    Type: Application
    Filed: May 28, 2021
    Publication date: December 2, 2021
    Inventors: YI-FAN CHEN, CHE-CHIA CHANG, SHANG-JIE WU, YU-CHIEH KUO, YI-JUNG CHEN, YU-HSUN CHIU, MEI-YI LI, HE-YI CHENG
  • Publication number: 20210359180
    Abstract: A pixel array substrate includes a base, pixel structures, first bonding pads, first wirings, and a first testing element. The pixel structures are disposed on an active area of a first surface of the base. The first bonding pads are disposed on a peripheral region of the first surface. Each of the first wirings is disposed on a corresponding first bonding pad, a first sidewall of the base, and a corresponding second bonding pad. The first testing element is disposed on the active area of the first surface and has a first testing line. The first testing line is electrically connected to at least one of the first bonding pads, and an end of the first testing line is substantially aligned with an edge of the base.
    Type: Application
    Filed: August 31, 2020
    Publication date: November 18, 2021
    Applicant: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Hao-An Chuang, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li, Yu-Chin Wu
  • Patent number: 11170699
    Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: November 9, 2021
    Assignee: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Publication number: 20210151650
    Abstract: A display device includes a substrate and pixels. The substrate has an intermediate region and a peripheral region. Each of the pixels includes sub-pixels. Each of the sub-pixels includes a pad group and a light emitting diode (LED) element. The pad group has a first pad and a second pad. The LED element is electrically connected to the first pad and the second pad. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. The first pads and the second pads of the pad groups of the sub-pixels of each of the standard pixels are arranged in a first direction. The peripheral pixels include a first peripheral pixel. The first pads and the second pads of the pad groups of the sub-pixels of the first peripheral pixel are arranged in a second direction, and the first direction crosses over the second direction.
    Type: Application
    Filed: September 2, 2020
    Publication date: May 20, 2021
    Applicant: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Patent number: 10971058
    Abstract: A display apparatus includes pixels, each of which includes first and second pixel driver circuits, first and second driver pads electrically connected to the first and second pixel driver circuits, respectively, a first LED element, first and second connection lines electrically connected to the first and second pixel driver circuits, respectively, and first and second repair pads electrically connected to the first and second connection lines, respectively. A first electrode of the first LED element is electrically connected to the first driver pad. The first repair pad, the second repair pad, the first driver pad, and the second driver pad are structurally separated. A first pixel of the pixels further includes a second LED element overlapping the first and second repair pads of the first pixel, and a first electrode of the second LED element is electrically connected to the second repair pad.
    Type: Grant
    Filed: June 21, 2020
    Date of Patent: April 6, 2021
    Assignee: Au Optronics Corporation
    Inventors: He-Yi Cheng, Yu-Chieh Kuo, Shang-Jie Wu, Che-Chia Chang, Yi-Fan Chen, Yi-Jung Chen, Yu-Hsun Chiu, Mei-Yi Li, Hsin-Chun Huang
  • Publication number: 20210043131
    Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.
    Type: Application
    Filed: March 10, 2020
    Publication date: February 11, 2021
    Applicant: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Patent number: 10895931
    Abstract: A touch display apparatus includes a first transmission line, first and second signal lines, a touch signal line, a control signal line, first and second active devices, a first switch device, first and second pixel electrodes and a touch electrode. The first signal line is parallel and adjacent to the second signal line. The first active device is electrically connected to the first transmission line and the first signal line. The second active device is electrically connected to the first transmission line and the second signal line. The first switch device is electrically connected to the touch signal line and the control signal line. The first and second pixel electrodes are electrically connected to the first and second active devices respectively. The first and second pixel electrodes are not located between the first and second signal lines.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: January 19, 2021
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Yu-Zhang Huang, He-Yi Cheng, Zeng-De Chen
  • Publication number: 20200387281
    Abstract: A touch display apparatus includes a first transmission line, first and second signal lines, a touch signal line, a control signal line, first and second active devices, a first switch device, first and second pixel electrodes and a touch electrode. The first signal line is parallel and adjacent to the second signal line. The first active device is electrically connected to the first transmission line and the first signal line. The second active device is electrically connected to the first transmission line and the second signal line. The first switch device is electrically connected to the touch signal line and the control signal line. The first and second pixel electrodes are electrically connected to the first and second active devices respectively. The first and second pixel electrodes are not located between the first and second signal lines.
    Type: Application
    Filed: October 4, 2019
    Publication date: December 10, 2020
    Applicant: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Yu-Zhang Huang, He-Yi Cheng, Zeng-De Chen
  • Patent number: 9673230
    Abstract: A pixel array includes a plurality of scan lines, a plurality of data lines, a first active device, a second active device, a first pixel electrode and a second pixel electrode. The first active device and the second active device are electrically connected to the corresponding scan line and data line respectively. The first pixel electrode is electrically connected to the first active device through a contact hole. The second pixel electrode is electrically connected to the second active device through the contact hole.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: June 6, 2017
    Assignee: Au Optronics Corporation
    Inventors: He-Yi Cheng, Hsin-Chun Huang, Ching-Sheng Cheng
  • Publication number: 20160300855
    Abstract: A pixel array includes a plurality of scan lines, a plurality of data lines, a first active device, a second active device, a first pixel electrode and a second pixel electrode. The first active device and the second active device are electrically connected to the corresponding scan line and data line respectively. The first pixel electrode is electrically connected to the first active device through a contact hole. The second pixel electrode is electrically connected to the second active device through the contact hole.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 13, 2016
    Inventors: He-Yi Cheng, Hsin-Chun Huang, Ching-Sheng Cheng
  • Patent number: 9142572
    Abstract: An array substrate includes a plurality of gate lines, first data line segments, second data line segments, first thin film transistors and second thin film transistors. Each first thin film transistor includes a first gate electrode, a first source electrode and a first drain electrode, and each second thin film transistor includes a second gate electrode, a second source electrode and a second drain electrode. The first data line segment, the second data line segment and the next first data line segment arranged sequentially in a first direction define a first gap and a second gap, where the second gap is greater than the first gap. The first source electrode, the second source electrode and the next first source electrode arranged sequentially in the first direction define a third gap and a fourth gap, where the third gap is greater than the first gap, and the fourth gap is smaller than the second gap.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: September 22, 2015
    Assignee: AU Optronics Corp.
    Inventors: He-Yi Cheng, Hsin-Chun Huang, Ching-Sheng Cheng
  • Publication number: 20150129984
    Abstract: A pixel array includes a plurality of scan lines, a plurality of data lines, a first active device, a second active device, a first pixel electrode and a second pixel electrode. The first active device and the second active device are electrically connected to the corresponding scan line and data line respectively. The first pixel electrode is electrically connected to the first active device through a contact hole. The second pixel electrode is electrically connected to the second active device through the contact hole.
    Type: Application
    Filed: March 26, 2014
    Publication date: May 14, 2015
    Applicant: Au Optronics Corporation
    Inventors: He-Yi Cheng, Hsin-Chun Huang, Ching-Sheng Cheng