Patents by Inventor Chien-Huang Liao

Chien-Huang Liao 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: 11955890
    Abstract: A switching converter circuit for switching one end of an inductor therein between plural voltages according to a pulse width modulation (PWM) signal to convert an input voltage to an output voltage. The switching converter circuit has a driver circuit including a high side driver, a low side driver, a high side sensor circuit, and a low side sensor circuit. The high side sensor circuit is configured to sense a gate-source voltage of a high side metal oxide semiconductor field effect transistor (MOSFET), to generate a low side enable signal for enabling the low side driver to switch a low side MOSFET according to the PWM signal. The low side sensor circuit is configured to sense a gate-source voltage of a low side MOSFET, to generate a high side enable signal for enabling the high side driver to switch a high side MOSFET according to the PWM signal.
    Type: Grant
    Filed: January 2, 2022
    Date of Patent: April 9, 2024
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Ting-Wei Liao, Chien-Yu Chen, Kun-Huang Yu, Chien-Wei Chiu, Ta-Yung Yang
  • Publication number: 20240090215
    Abstract: The method of forming the semiconductor structure includes the following steps. First trenches and second trenches are respectively formed in a substrate of the logic region and the substrate of the array region. A dielectric liner is formed in the first trenches and second trenches. First coating blocks and second coating blocks are respectively formed in the first trenches and second trenches. A cap layer is formed on the first coating blocks and the second coating blocks. Oxide structures are formed on the cap layer. Part of the oxide structures and part of the cap layer is removed. A semiconductor layer is formed in the array region and disposed on the substrate and between the oxide structures.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 14, 2024
    Inventors: Yuan-Huang WEI, Chien-Hsien WU, Hsiu-Han 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: 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: 20230030752
    Abstract: A display panel, including a circuit substrate, a light emitting diode, and a reflective layer, is provided. The light emitting diode includes a light emitting layer and first and second semiconductor layers. The light emitting layer is located between the first and second semiconductor layers. The second semiconductor layer is located between the first semiconductor layer and the circuit substrate. The reflective layer is in contact with a part of a side surface of the light emitting diode. A part of the reflective layer is located between the light emitting diode and the circuit substrate. Taking a direction perpendicular to a top surface of the circuit substrate as a height direction, a horizontal height of a top surface of the reflective layer is located between a horizontal height of a top surface of the light emitting layer and a horizontal height of a top surface of the light emitting diode.
    Type: Application
    Filed: November 1, 2021
    Publication date: February 2, 2023
    Applicant: Au Optronics Corporation
    Inventors: Ming-Lung Chen, Kun-Cheng Tien, Chien-Huang Liao
  • Patent number: 11402702
    Abstract: A display apparatus includes a display panel and a switching panel disposed outside the display panel. The switching panel includes a first base, a first electrode, a second electrode, a second base, a third electrode, a fourth electrode and a liquid crystal layer. The first electrode and the second electrode are disposed on the first base. The first electrode has branches, and the branches of the first electrode are arranged in a first direction. The second base is disposed opposite to the first base. The third electrode and the fourth electrode are disposed on the second base. The third electrode has branches, and the branches of the third electrode are arranged in a second direction, and the first direction is interlaced with the second direction. The liquid crystal layer is disposed between the first base and the second base.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: August 2, 2022
    Assignee: Au Optronics Corporation
    Inventors: Kun-Cheng Tien, Chien-Huang Liao, Cian-Rou Wu, Chin-An Lin, Wei-Cheng Cheng
  • 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: 11320710
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 3, 2022
    Assignee: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Patent number: 11194205
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: December 7, 2021
    Assignee: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Patent number: 11194204
    Abstract: A pixel array substrate including a substrate, pixel structures, and transfer lines is provided. The pixel structures are disposed on the substrate. Each pixel structure includes a data line, a gate line, an active device, and a pixel electrode. The active device is electrically connected to the data line and the gate line. The pixel electrode is electrically connected to the active device. The pixel electrode defines alignment domains. The alignment domains have different alignment directions. The transfer lines are arranged in a first direction. Gate lines of the pixel structures are arranged in a second direction. The first direction and the second direction are interlaced. The transfer lines are electrically connected to the gate lines. The pixel structures include a first pixel structure. The transfer lines include a first transfer line. The first transfer line overlaps a boundary between the alignment domains of the first pixel structure.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: December 7, 2021
    Assignee: Au Optronics Corporation
    Inventors: Hung-Che Lin, Min-Tse Lee, Yi-Ren Chen, Yueh-Hung Chung, Sheng-Ju Ho, Yan-Kai Wang, Ya-Ling Hsu, Chien-Huang Liao, Chen-Hsien Liao
  • Patent number: 11126051
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: September 21, 2021
    Assignee: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Patent number: 11126050
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: September 21, 2021
    Assignee: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Publication number: 20210271138
    Abstract: A display apparatus includes a display panel and a switching panel disposed outside the display panel. The switching panel includes a first base, a first electrode, a second electrode, a second base, a third electrode, a fourth electrode and a liquid crystal layer. The first electrode and the second electrode are disposed on the first base. The first electrode has branches, and the branches of the first electrode are arranged in a first direction. The second base is disposed opposite to the first base. The third electrode and the fourth electrode are disposed on the second base. The third electrode has branches, and the branches of the third electrode are arranged in a second direction, and the first direction is interlaced with the second direction. The liquid crystal layer is disposed between the first base and the second base.
    Type: Application
    Filed: July 9, 2020
    Publication date: September 2, 2021
    Applicant: Au Optronics Corporation
    Inventors: Kun-Cheng Tien, Chien-Huang Liao, Cian-Rou Wu, Chin-An Lin, Wei-Cheng Cheng
  • Publication number: 20210271125
    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: Application
    Filed: June 4, 2020
    Publication date: September 2, 2021
    Applicant: Au Optronics Corporation
    Inventors: Cian-Rou Wu, Kun-Cheng Tien, Chien-Huang Liao, Chin-An Lin
  • Publication number: 20210116764
    Abstract: A pixel array substrate including a substrate, pixel structures, and transfer lines is provided. The pixel structures are disposed on the substrate. Each pixel structure includes a data line, a gate line, an active device, and a pixel electrode. The active device is electrically connected to the data line and the gate line. The pixel electrode is electrically connected to the active device. The pixel electrode defines alignment domains. The alignment domains have different alignment directions. The transfer lines are arranged in a first direction. Gate lines of the pixel structures are arranged in a second direction. The first direction and the second direction are interlaced. The transfer lines are electrically connected to the gate lines. The pixel structures include a first pixel structure. The transfer lines include a first transfer line. The first transfer line overlaps a boundary between the alignment domains of the first pixel structure.
    Type: Application
    Filed: April 9, 2020
    Publication date: April 22, 2021
    Applicant: Au Optronics Corporation
    Inventors: Hung-Che Lin, Min-Tse Lee, Yi-Ren Chen, Yueh-Hung Chung, Sheng-Ju Ho, Yan-Kai Wang, Ya-Ling Hsu, Chien-Huang Liao, Chen-Hsien Liao
  • Publication number: 20210041755
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Publication number: 20210041754
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Publication number: 20210041756
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Publication number: 20210041753
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Patent number: 10852609
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: December 1, 2020
    Assignee: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao