Patents by Inventor Keh-Long Hwu

Keh-Long Hwu 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: 11251257
    Abstract: A display panel including a first array substrate, a first pad, and a second pad is provided. The first array substrate includes a first substrate, a first active element, a first display element, and a second display element. The first active element is disposed on the top surface of the first substrate. The first display element and the second display element are disposed on the top surface of the first substrate. The first display element is electrically connected to the first active element. The first pad and the second pad are disposed on the bottom surface of the first substrate. The first active element is electrically connected to the first pad. Each of the first pad and the second pad includes an embedded part and a protruded part. The embedded part is located in the first substrate. The protruded part is protruded from the bottom surface of the first substrate.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: February 15, 2022
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Ying Ke, Yung-Chih Chen, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Patent number: 11051405
    Abstract: A flexible display including a buffer layer, a plurality of pixel structures, a plurality of first pads, a plurality of first conductive through holes, a flexible circuit board and an adhesive layer is provided. The pixel structures are disposed on a first surface of the buffer layer. The first pads are disposed on a second surface of the buffer layer. The first conductive through holes are embedded in the buffer layer. The first pads are respectively electrically connected to the pixel structures through the first conductive through holes. The adhesive layer is disposed between the second surface of the buffer layer and the flexible circuit board. An orthogonal projection of the adhesive layer on the buffer layer overlaps an orthogonal projection of the pixel structures on the buffer layer. The first pads are electrically connected to first signal lines of the flexible circuit board.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: June 29, 2021
    Assignee: Au Optronics Corporation
    Inventors: Keh-Long Hwu, Yung-Chih Chen, Tsung-Ying Ke, Wan-Tsang Wang, Chun-Hsin Liu
  • Patent number: 11030948
    Abstract: The disclosure provides a display panel including first pixel structures, second pixel structures, first signal lines, second signal lines, a first driving circuit, and a second driving circuit. The first signal lines and the first pixel structures are disposed in a first display area and electrically connected. The second signal lines and the second pixel structures are disposed in a second display area and electrically connected. The first display area and the second display area are arranged in a first direction. The first signal lines and the second signal lines are arranged in a second direction. The first direction and the second direction are perpendicular. The first signal lines and the second signal lines are structurally separated. The first drive circuit is electrically connected to the first signal lines. The second driving circuit is electrically independent from the first driving circuit and electrically connected to the second signal lines.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: June 8, 2021
    Assignee: Au Optronics Corporation
    Inventors: Yung-Chih Chen, Wan-Lin Chen, Tsung-Ying Ke, Li-Chih Hsu, Ya-Ting Hsu, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu, Chih-Ling Hsueh
  • Publication number: 20210057516
    Abstract: A display panel including a first array substrate, a first pad, and a second pad is provided. The first array substrate includes a first substrate, a first active element, a first display element, and a second display element. The first active element is disposed on the top surface of the first substrate. The first display element and the second display element are disposed on the top surface of the first substrate. The first display element is electrically connected to the first active element. The first pad and the second pad are disposed on the bottom surface of the first substrate. The first active element is electrically connected to the first pad. Each of the first pad and the second pad includes an embedded part and a protruded part. The embedded part is located in the first substrate. The protruded part is protruded from the bottom surface of the first substrate.
    Type: Application
    Filed: November 9, 2020
    Publication date: February 25, 2021
    Applicant: Au Optronics Corporation
    Inventors: Tsung-Ying Ke, Yung-Chih Chen, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Patent number: 10879339
    Abstract: A display panel including a first array substrate, a first pad, and a second pad is provided. The first array substrate includes a first substrate, a first active element, a first display element, and a second display element. The first substrate has a top surface and a bottom surface disposed opposite to each other. The first active element is disposed on the top surface of the first substrate. The first display element is disposed on the top surface of the first substrate and is electrically connected to the first active element. The second display element is disposed on the top surface of the first substrate and is disposed separately from the first display element.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: December 29, 2020
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Ying Ke, Yung-Chih Chen, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Patent number: 10854681
    Abstract: A display device includes a pixel circuit substrate, a plurality of light emitting devices, a driver circuit substrate, a plurality of connection terminals, and an electrically conductive adhesion layer. The light emitting devices are electrically connected to the pixel circuit substrate. The driver circuit substrate is disposed on a back side of the pixel circuit substrate. The connection terminals electrically connect the driver circuit substrate to the pixel circuit substrate. The electrically conductive adhesion layer is disposed between the pixel circuit substrate and the driver circuit substrate.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: December 1, 2020
    Assignee: Au Optronics Corporation
    Inventors: Yung-Chih Chen, Chun-Hsin Liu, Li-Chih Hsu, Tsung-Ying Ke, Wan-Tsang Wang, Keh-Long Hwu, Ya-Ting Hsu
  • Publication number: 20200359499
    Abstract: A flexible display including a buffer layer, a plurality of pixel structures, a plurality of first pads, a plurality of first conductive through holes, a flexible circuit board and an adhesive layer is provided. The pixel structures are disposed on a first surface of the buffer layer. The first pads are disposed on a second surface of the buffer layer. The first conductive through holes are embedded in the buffer layer. The first pads are respectively electrically connected to the pixel structures through the first conductive through holes. The adhesive layer is disposed between the second surface of the buffer layer and the flexible circuit board. An orthogonal projection of the adhesive layer on the buffer layer overlaps an orthogonal projection of the pixel structures on the buffer layer. The first pads are electrically connected to first signal lines of the flexible circuit board.
    Type: Application
    Filed: February 17, 2020
    Publication date: November 12, 2020
    Applicant: Au Optronics Corporation
    Inventors: Keh-Long Hwu, Yung-Chih Chen, Tsung-Ying Ke, Wan-Tsang Wang, Chun-Hsin Liu
  • Patent number: 10825383
    Abstract: A display device including a first substrate, pixel structures, a second substrate, first signal lines, and second signal lines is provided. The pixel structures are disposed on a first surface of the first substrate. Each of the pixel structures includes a switch element and a pixel electrode. The switch element has a first terminal, a second terminal, and a control terminal. The pixel electrode is electrically connected to the second terminal of the switch element. The second substrate is disposed under a second surface of the first substrate. The first signal lines and the second signal lines are disposed on the second substrate. The first terminals and the control terminals of the switch elements of the pixel structures are respectively electrically connected to the first signal lines and the second signal lines, wherein the first signal lines are substantially parallel to the second signal lines.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: November 3, 2020
    Assignee: Au Optronics Corporation
    Inventors: Li-Chih Hsu, Yung-Chih Chen, Chun-Hsin Liu, Ya-Ting Hsu, Wan-Lin Chen, Wan-Tsang Wang, Tsung-Ying Ke, Keh-Long Hwu
  • Publication number: 20200193900
    Abstract: The disclosure provides a display panel including first pixel structures, second pixel structures, first signal lines, second signal lines, a first driving circuit, and a second driving circuit. The first signal lines and the first pixel structures are disposed in a first display area and electrically connected. The second signal lines and the second pixel structures are disposed in a second display area and electrically connected. The first display area and the second display area are arranged in a first direction. The first signal lines and the second signal lines are arranged in a second direction. The first direction and the second direction are perpendicular. The first signal lines and the second signal lines are structurally separated. The first drive circuit is electrically connected to the first signal lines. The second driving circuit is electrically independent from the first driving circuit and electrically connected to the second signal lines.
    Type: Application
    Filed: May 23, 2019
    Publication date: June 18, 2020
    Applicant: Au Optronics Corporation
    Inventors: Yung-Chih Chen, Wan-Lin Chen, Tsung-Ying Ke, Li-Chih Hsu, Ya-Ting Hsu, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu, Chih-Ling Hsueh
  • Publication number: 20200185565
    Abstract: A manufacturing method of a light-emitting device including the following steps is provided. A test trace and a first signal trace are formed on a first substrate. A light-emitting element electrically connected to the test trace and the first signal trace is formed. A test procedure is performed on the light-emitting element via the test trace and the first signal trace. An encapsulation layer is formed on the first substrate to cover the light-emitting element. The test trace is removed, and then a driving unit electrically connected to light-emitting element is formed.
    Type: Application
    Filed: June 4, 2019
    Publication date: June 11, 2020
    Applicant: Au Optronics Corporation
    Inventors: Yung-Chih Chen, Tsung-Ying Ke, Li-Chih Hsu, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Patent number: 10665746
    Abstract: A manufacturing method of a light-emitting device including the following steps is provided. A test trace and a first signal trace are formed on a first substrate. A light-emitting element electrically connected to the test trace and the first signal trace is formed. A test procedure is performed on the light-emitting element via the test trace and the first signal trace. An encapsulation layer is formed on the first substrate to cover the light-emitting element. The test trace is removed, and then a driving unit electrically connected to light-emitting element is formed.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: May 26, 2020
    Assignee: Au Optronics Corporation
    Inventors: Yung-Chih Chen, Tsung-Ying Ke, Li-Chih Hsu, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Publication number: 20200160783
    Abstract: A display device including a first substrate, pixel structures, a second substrate, first signal lines, and second signal lines is provided. The pixel structures are disposed on a first surface of the first substrate. Each of the pixel structures includes a switch element and a pixel electrode. The switch element has a first terminal, a second terminal, and a control terminal. The pixel electrode is electrically connected to the second terminal of the switch element. The second substrate is disposed under a second surface of the first substrate. The first signal lines and the second signal lines are disposed on the second substrate. The first terminals and the control terminals of the switch elements of the pixel structures are respectively electrically connected to the first signal lines and the second signal lines, wherein the first signal lines are substantially parallel to the second signal lines.
    Type: Application
    Filed: May 14, 2019
    Publication date: May 21, 2020
    Applicant: Au Optronics Corporation
    Inventors: Li-Chih Hsu, Yung-Chih Chen, Chun-Hsin Liu, Ya-Ting Hsu, Wan-Lin Chen, Wan-Tsang Wang, Tsung-Ying Ke, Keh-Long Hwu
  • Patent number: 10631608
    Abstract: A foldable display device includes a shell. The shell has an expanding state and a folding state. A first direction and a second direction are defined to be orthogonal. When the shell is at the expanding state, the shell has a first length L1 along the first direction and a second length L2 along the second direction. The ratio of the first length L1 to the second length L2 is between 1.3 and 2. When the shell is at the folding state, the shell has a third length L3 along the second direction and a fourth length L4 along the first direction. The ratio of the third length L3 to the fourth length L4 is also between 1.3 and 2.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: April 28, 2020
    Assignee: AU OPTRONICS CORP.
    Inventors: Po-Yang Lin, Chia-Hsun Tu, Keh-Long Hwu
  • Publication number: 20200127073
    Abstract: A display panel including a first array substrate, a first pad, and a second pad is provided. The first array substrate includes a first substrate, a first active element, a first display element, and a second display element. The first substrate has a top surface and a bottom surface disposed opposite to each other. The first active element is disposed on the top surface of the first substrate. The first display element is disposed on the top surface of the first substrate and is electrically connected to the first active element. The second display element is disposed on the top surface of the first substrate and is disposed separately from the first display element.
    Type: Application
    Filed: August 12, 2019
    Publication date: April 23, 2020
    Applicant: Au Optronics Corporation
    Inventors: Tsung-Ying Ke, Yung-Chih Chen, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Publication number: 20200119104
    Abstract: A display device includes a pixel circuit substrate, a plurality of light emitting devices, a driver circuit substrate, a plurality of connection terminals, and an electrically conductive adhesion layer. The light emitting devices are electrically connected to the pixel circuit substrate. The driver circuit substrate is disposed on a back side of the pixel circuit substrate. The connection terminals electrically connect the driver circuit substrate to the pixel circuit substrate. The electrically conductive adhesion layer is disposed between the pixel circuit substrate and the driver circuit substrate.
    Type: Application
    Filed: May 14, 2019
    Publication date: April 16, 2020
    Applicant: Au Optronics Corporation
    Inventors: Yung-Chih Chen, Chun-Hsin Liu, Li-Chih Hsu, Tsung-Ying Ke, Wan-Tsang Wang, Keh-Long Hwu, Ya-Ting Hsu
  • Publication number: 20190319080
    Abstract: A display apparatus and a manufacturing method thereof are provided. The display apparatus includes a signal line substrate, pixel circuit substrates, light emitting device layer, first vertical connection structures and second vertical connection structures. The signal line substrate includes signal lines and vertical signal connection structures electrically connected with the signal lines. The pixel circuit substrates are stacked on the signal line substrate, and respectively include a pixel circuit. The light emitting device layer is disposed on the pixel circuit substrates, and includes light emitting devices. The first and second vertical connection structures are disposed in the pixel circuit substrates. The first vertical connection structures are electrically connected between the light emitting devices and the pixel circuits, respectively. The second vertical connection structures are electrically connected between the pixel circuits and the vertical signal connection structures, respectively.
    Type: Application
    Filed: October 22, 2018
    Publication date: October 17, 2019
    Applicant: Au Optronics Corporation
    Inventors: Tsung-Ying Ke, Yung-Chih Chen, Keh-Long Hwu, Wan-Tsang Wang, Chun-Hsin Liu
  • Publication number: 20170360170
    Abstract: A foldable display device includes a shell. The shell has an expanding state and a folding state. A first direction and a second direction are defined to be orthogonal. When the shell is at the expanding state, the shell has a first length L1 along the first direction and a second length L2 along the second direction. The ratio of the first length L1 to the second length L2 is between 1.3 and 2. When the shell is at the folding state, the shell has a third length L3 along the second direction and a fourth length L4 along the first direction. The ratio of the third length L3 to the fourth length L4 is also between 1.3 and 2.
    Type: Application
    Filed: September 4, 2017
    Publication date: December 21, 2017
    Inventors: Po-Yang Lin, Chia-Hsun Tu, Keh-Long Hwu
  • Patent number: 9844251
    Abstract: A foldable display device includes a shell. The shell has an expanding state and a folding state. A first direction and a second direction are defined to be orthogonal. When the shell is at the expanding state, the shell has a first length L1 along the first direction and a second length L2 along the second direction. The ratio of the first length L1 to the second length L2 is between 1.3 and 2. When the shell is at the folding state, the shell has a third length L3 along the second direction and a fourth length L4 along the first direction. The ratio of the third length L3 to the fourth length L4 is also between 1.3 and 2.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: December 19, 2017
    Assignee: AU OPTRONICS CORP.
    Inventors: Po-Yang Lin, Chia-Hsun Tu, Keh-Long Hwu
  • Patent number: 9513502
    Abstract: A flexible display has a display layer, a thin-film transistor (TFT) layer and a flexible substrate. The display layer has a plurality of display units. The TFT layer has a plurality of pixel control circuits and a plurality of sensing circuits. The pixel control circuits are configured to control operations of the plurality of display units. Each of the sensing circuits is configured to generate a deformation signal according to deformation of the flexible display. The flexible substrate and the TFT layer are stacked.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: December 6, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Ji-Feng Chen, Chia-Hsun Tu, Po-Yang Lin, Chen-Shuo Huang, Keh-Long Hwu
  • Patent number: 9228115
    Abstract: A method of fabricating a flexible substrate structure includes the following steps. A supporting carrier is provided, and a release layer is formed on the supporting carrier, where the release layer includes a photo-sensitive adhesive layer. A local modification process is performed to form a bonding region with adhesion property in modified parts of the release layer, and to form a release region without adhesion property in unmodified parts of the release layer. The local modification process includes performing a local exposure process with a light source to form the bonding region with adhesion property in illuminated parts of the release layer, and to form a release region without adhesion property in unilluminated parts of the release layer.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: January 5, 2016
    Assignee: AU Optronics Corp.
    Inventors: Keh-Long Hwu, Pin-Fan Wang, Chih-Jen Hu