Patents by Inventor Chang-Chiang CHENG

Chang-Chiang 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).

  • Publication number: 20240061312
    Abstract: An electronic device including a first panel and a second panel overlapped with the first panel is provided. The first panel includes a substrate, a first medium layer, a first electrode layer and a second electrode layer. The first medium layer is disposed on the substrate. The first electrode layer is disposed between the substrate and the first medium layer. The second electrode layer is disposed between the first electrode layer and the first medium layer. A first voltage is applied to the first electrode layer, a second voltage is applied to the second electrode layer, and the first voltage is different from the second voltage.
    Type: Application
    Filed: August 18, 2022
    Publication date: February 22, 2024
    Applicant: Innolux Corporation
    Inventors: Mei-Wen Jao, Chang-Chiang Cheng, Yung-Hsun Wu, Rui-An Yu, Yi-Hsin Lin
  • Publication number: 20230314807
    Abstract: An electronic device includes a light modulation module. The light modulation module includes multiple first signal lines and multiple second signal lines. The first signal lines extend along a first direction. The second signal lines extend along a second direction. The second direction is different from the first direction. The first signal lines and the second signal lines are curves. Each of the first signal lines and each of the second signal lines respectively include multiple first patterns, and each of the first patterns has an inflection point.
    Type: Application
    Filed: February 8, 2023
    Publication date: October 5, 2023
    Applicant: Innolux Corporation
    Inventors: Huai-Ping Huang, Chih-Lung Lin, Chang-Chiang Cheng
  • Publication number: 20230168760
    Abstract: The present disclosure provides an electronic device including a first sensing circuit, a second sensing circuit and a power line. The first sensing circuit includes a first sensing unit and a first transistor, and a first end of the first sensing unit is coupled to a control end of the first transistor. The second sensing circuit includes a second sensing unit and a second transistor, and a first end of the second sensing unit is coupled to a control end of the second transistor. A first end of the first transistor and a first end of the second transistor are coupled to the power line.
    Type: Application
    Filed: November 1, 2022
    Publication date: June 1, 2023
    Applicant: InnoLux Corporation
    Inventors: Shu-Fen LI, Chuan-Chi CHIEN, Hsiao-Feng LIAO, Rui-An YU, Chang-Chiang CHENG, Po-Yang CHEN, I-An YAO
  • Publication number: 20230036433
    Abstract: An electronic device includes a substrate including an active area and a peripheral area adjacent to the active area; a plurality of spacers disposed in the active area and including a first spacer and a second spacer; a plurality of signal lines disposed on the substrate and extending along a first direction; a plurality of gate lines disposed on the substrate and extending along a second direction; and a gate driving unit disposed in the active area and including a receiving switch element and a buffer switch element, wherein the receiving switch element is disposed corresponding to the first spacer and receives an input signal through one of the signal lines, and the buffer switch element is disposed corresponding to the second spacer and is electrically connected to the receiving switch element, wherein the buffer switch element outputs a scan signal to one of the gate lines.
    Type: Application
    Filed: July 22, 2022
    Publication date: February 2, 2023
    Inventors: Huai-Ping HUANG, Rui-An YU, Chang-Chiang CHENG, Chia-Hao TSAI, Chih-Lung LIN, Jian-Min LEU
  • Patent number: 11532281
    Abstract: A display panel includes a first shift register, a first demultiplexer, a plurality of first gate lines, and a plurality of rows of first sub-pixels. The first shift register outputs a first shift signal. The first demultiplexer is coupled to the first shift register and receives the first shift signal and outputs a plurality of first gate driving signals. The plurality of first gate lines receive the plurality of first gate driving signals. Each row of first sub-pixels is coupled to a corresponding first gate line of the plurality of first gate lines. The first sub-pixels of the same row emit light of a same color.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: December 20, 2022
    Assignee: InnoLux Corporation
    Inventors: Yi-Shiuan Cherng, Chia-Hao Tsai, Chang-Chiang Cheng, Yung-Hsun Wu
  • Publication number: 20220244601
    Abstract: The present disclosure provides an electronic device, and the electronic device includes a touch sensing element including a plurality of touch sensing electrodes, a fingerprint sensing element overlapped with the plurality of touch sensing electrodes, and a plurality of pixels. A portion of the plurality of touch sensing electrodes is not overlapped with the fingerprint sensing element. The plurality of pixels includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to display a red light, a green light, and a blue light respectively, wherein the fingerprint sensing element overlaps at least two of the plurality of pixels.
    Type: Application
    Filed: April 15, 2022
    Publication date: August 4, 2022
    Applicant: InnoLux Corporation
    Inventors: Huai-Ping Huang, Chih-Lung Lin, Chang-Chiang Cheng
  • Patent number: 11333936
    Abstract: The present disclosure provides an electronic device, and the electronic device includes a plurality of touch sensing electrodes and a plurality of ultrasonic fingerprint sensing electrodes. The plurality of ultrasonic fingerprint sensing electrodes are disposed on the plurality of touch sensing electrodes, and a portion of the plurality of touch sensing electrodes are not overlapped with the plurality of ultrasonic fingerprint sensing electrodes.
    Type: Grant
    Filed: July 19, 2020
    Date of Patent: May 17, 2022
    Assignee: InnoLux Corporation
    Inventors: Huai-Ping Huang, Chih-Lung Lin, Chang-Chiang Cheng
  • Publication number: 20210287615
    Abstract: A display panel includes a first shift register, a first demultiplexer, a plurality of first gate lines, and a plurality of rows of first sub-pixels. The first shift register outputs a first shift signal. The first demultiplexer is coupled to the first shift register and receives the first shift signal and outputs a plurality of first gate driving signals. The plurality of first gate lines receive the plurality of first gate driving signals. Each row of first sub-pixels is coupled to a corresponding first gate line of the plurality of first gate lines. The first sub-pixels of the same row emit light of a same color.
    Type: Application
    Filed: May 31, 2021
    Publication date: September 16, 2021
    Inventors: Yi-Shiuan Cherng, Chia-Hao Tsai, Chang-Chiang Cheng, Yung-Hsun Wu
  • Patent number: 11092861
    Abstract: An electronic device having a display panel is provided. The display panel includes a first pixel circuit, a second pixel circuit, a first signal line, a second signal line and a first buffer circuit unit. The second pixel circuit is adjacent to the first pixel circuit. The first signal line is electrically connected to the first pixel circuit. The second signal line is electrically connected to the second pixel circuit. The first buffer circuit unit is disposed between the first pixel circuit and the second pixel circuit. At least a portion of the first pixel circuit and at least a portion of the second pixel circuit are disposed between the first signal line and the second signal line.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: August 17, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Chang-Chiang Cheng, Huai-Ping Huang, Yung-Hsun Wu, Peng-Wen Wang, Chih-Lung Lin, Chia-Hao Tsai
  • Patent number: 11056064
    Abstract: A display panel includes a first shift register, a first demultiplexer, a plurality of first gate lines, and a plurality of rows of first sub-pixels. The first shift register outputs a first shift signal. The first demultiplexer is coupled to the first shift register and receives the first shift signal and outputs a plurality of first gate driving signals. The plurality of first gate lines receive the plurality of first gate driving signals. Each row of first sub-pixels is coupled to a corresponding first gate line of the plurality of first gate lines. The first sub-pixels of the same row emit light of a same color.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: July 6, 2021
    Assignee: InnoLux Corporation
    Inventors: Yi-Shiuan Cherng, Chia-Hao Tsai, Chang-Chiang Cheng, Yung-Hsun Wu
  • Publication number: 20210048718
    Abstract: The present disclosure provides an electronic device, and the electronic device includes a plurality of touch sensing electrodes and a plurality of ultrasonic fingerprint sensing electrodes. The plurality of ultrasonic fingerprint sensing electrodes are disposed on the plurality of touch sensing electrodes, and a portion of the plurality of touch sensing electrodes are not overlapped with the plurality of ultrasonic fingerprint sensing electrodes.
    Type: Application
    Filed: July 19, 2020
    Publication date: February 18, 2021
    Inventors: Huai-Ping Huang, Chih-Lung Lin, Chang-Chiang Cheng
  • Patent number: 10789444
    Abstract: A display apparatus includes a first substrate; a pixel array layer disposed on the first substrate and defining a display area and a non-display area, and the pixel array layer including a pixel signal line; a second substrate disposed opposite to the first substrate; a display medium disposed between the first substrate and the second substrate; and an ultrasonic element (UE) layer, disposed on the second substrate and including an ultrasonic signal line. Within at least parts of the display area corresponding to the ultrasonic element layer, a projection area on the first substrate by projecting the ultrasonic signal line along the normal direction of the first substrate at least partially overlaps with another projection area on the first substrate by projecting the pixel signal line along the normal direction of the first substrate.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 29, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Chang-Chiang Cheng, Chih-Hao Chang
  • Publication number: 20200166794
    Abstract: An electronic device having a display panel is provided. The display panel includes a first pixel circuit, a second pixel circuit, a first signal line, a second signal line and a first buffer circuit unit. The second pixel circuit is adjacent to the first pixel circuit. The first signal line is electrically connected to the first pixel circuit. The second signal line is electrically connected to the second pixel circuit. The first buffer circuit unit is disposed between the first pixel circuit and the second pixel circuit. At least a portion of the first pixel circuit and at least a portion of the second pixel circuit are disposed between the first signal line and the second signal line.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 28, 2020
    Inventors: Chang-Chiang CHENG, Huai-Ping HUANG, Yung-Hsun WU, Peng-Wen Wang, Chih-Lung LIN, Chia-Hao TSAI
  • Publication number: 20200160793
    Abstract: A display panel includes a first shift register, a first demultiplexer, a plurality of first gate lines, and a plurality of rows of first sub-pixels. The first shift register outputs a first shift signal. The first demultiplexer is coupled to the first shift register and receives the first shift signal and outputs a plurality of first gate driving signals. The plurality of first gate lines receive the plurality of first gate driving signals. Each row of first sub-pixels is coupled to a corresponding first gate line of the plurality of first gate lines. The first sub-pixels of the same row emit light of a same color.
    Type: Application
    Filed: October 28, 2019
    Publication date: May 21, 2020
    Inventors: Yi-Shiuan Cherng, Chia-Hao Tsai, Chang-Chiang Cheng, Yung-Hsun Wu
  • Patent number: 10503953
    Abstract: A display device is described. The display device includes a first substrate, a second substrate, and a display layer disposed between the first substrate and the second substrate. The first substrate includes a pixel driving unit. The second substrate includes the light sensing unit.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 10, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Chang-Chiang Cheng, Chih-Hao Chang
  • Publication number: 20190317372
    Abstract: The present disclosure provides a curved display panel including a bending axis parallel to a first direction. The curved display panel includes: a first substrate; a plurality of sub-pixels disposed on the first substrate, wherein each of the sub-pixels includes a longer edge and a shorter edge, the shorter edge is parallel to the first direction, the longer edge is parallel to a second direction, and the first direction and the second direction are not parallel; a plurality of first metal lines disposed on a surface of the first substrate and extending in the first direction, wherein each of the sub-pixels is disposed corresponding to one of the first metal lines; and a first black matrix layer disposed on the surface of the first substrate, the first black matrix layer overlapping the first metal lines in a normal direction of the surface of the first substrate.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 17, 2019
    Inventors: Chia-Hao Tsai, Ming-Jou Tai, Yi-Shiuan Cherng, Chang-Chiang Cheng
  • Publication number: 20190065806
    Abstract: A display apparatus includes a first substrate; a pixel array layer disposed on the first substrate and defining a display area and a non-display area, and the pixel array layer including a pixel signal line; a second substrate disposed opposite to the first substrate; a display medium disposed between the first substrate and the second substrate; and an ultrasonic element (UE) layer, disposed on the second substrate and including an ultrasonic signal line. Within at least parts of the display area corresponding to the ultrasonic element layer, a projection area on the first substrate by projecting the ultrasonic signal line along the normal direction of the first substrate at least partially overlaps with another projection area on the first substrate by projecting the pixel signal line along the normal direction of the first substrate.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 28, 2019
    Inventors: Chang-Chiang CHENG, Chih-Hao CHANG
  • Publication number: 20180165496
    Abstract: A display device is described. The display device includes a first substrate, a second substrate, and a display layer disposed between the first substrate and the second substrate. The first substrate includes a pixel driving unit. The second substrate includes the light sensing unit.
    Type: Application
    Filed: November 28, 2017
    Publication date: June 14, 2018
    Inventors: Chang-Chiang CHENG, Chih-Hao CHANG
  • Publication number: 20170316730
    Abstract: A display panel includes a substrate, multiple data lines, multiple gate lines, a power line and a gate driver circuit. The power line is coupled to a power source. The gate driver circuit is disposed in an active area of the substrate and is coupled to the gate lines and the power line. The gate driver circuit generates multiple gate driving signals in response to a start pulse. The gate lines include a first metal layer disposed above the substrate. The data lines include a second metal layer disposed above the first metal layer. The power line includes a third metal layer disposed above the second metal layer. An orthogonal projection of at least one of the data lines onto the substrate overlaps an orthogonal projection of the power line onto the substrate.
    Type: Application
    Filed: April 14, 2017
    Publication date: November 2, 2017
    Inventors: Chang-Chiang CHENG, Chien-Hsueh CHIANG, Bo-Feng CHEN