Patents by Inventor Zeng-De Chen

Zeng-De Chen 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: 11360593
    Abstract: A touch panel includes a substrate, touch signal lines, sub-pixels, touch electrode groups, and at least one common signal array. The touch signal lines and the sub-pixels are located on substrate. Each of the sub-pixels includes a switch element and a pixel electrode. The switch element is electrically connected to a corresponding scan line and a corresponding data line. The touch electrode groups include touch electrodes. The touch electrodes overlap the pixel electrodes of the sub-pixels. Each of the touch electrode groups is electrically connected to a corresponding one of the touch signal lines. The common signal array includes common electrodes. Each of the common electrodes overlaps at least one of the scan line and the data line. The number of the sub-pixels overlapped by the common signal array is greater than the number of the sub-pixels overlapped by each of the touch electrode groups.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Sheng-Chin Fan, Che-Min Lin, Chun-Ru Huang, Chen-Hao Chiang, Yu-Hsin Hsieh, Zeng-De Chen
  • Patent number: 11112921
    Abstract: A touch display panel includes a first sensing matrix and a second sensing matrix. The first sensing matrix includes a plurality of grid units and a first switch unit. The grid units are arranged in matrix, wherein each grid unit includes at least one first electrode. The first switch unit includes a plurality of switches, and the switches are disposed between adjacent grid units. Wherein, the control end of the switches is configured to receive a first controlling signal, and one end of each of the switches is configured to output a sensing signal. The second sensing matrix includes at least one second electrode, and is configured to receive a common signal. The second sensing matrix includes a plurality of opening units, and each opening unit overlaps with the open area of each pixel circuit in a vertical projection direction of the first substrate.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: September 7, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chia-Chi Lee, Chi-Cheng Chen, Jing-Siang Syu, Shu-Wen Tzeng, Gui-Wen Liu, Zeng-De Chen, Wen-Rei Guo
  • Publication number: 20210255722
    Abstract: A touch panel includes a substrate, touch signal lines, sub-pixels, touch electrode groups, and at least one common signal array. The touch signal lines and the sub-pixels are located on substrate. Each of the sub-pixels includes a switch element and a pixel electrode. The switch element is electrically connected to a corresponding scan line and a corresponding data line. The touch electrode groups include touch electrodes. The touch electrodes overlap the pixel electrodes of the sub-pixels. Each of the touch electrode groups is electrically connected to a corresponding one of the touch signal lines. The common signal array includes common electrodes. Each of the common electrodes overlaps at least one of the scan line and the data line. The number of the sub-pixels overlapped by the common signal array is greater than the number of the sub-pixels overlapped by each of the touch electrode groups.
    Type: Application
    Filed: July 20, 2020
    Publication date: August 19, 2021
    Applicant: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Sheng-Chin Fan, Che-Min Lin, Chun-Ru Huang, Chen-Hao Chiang, Yu-Hsin Hsieh, Zeng-De Chen
  • Patent number: 11068093
    Abstract: A touch display panel is provided, including a common electrode ring, a first and a second common electrode pattern, pixel structures, an edge common signal line, and common signal lines disposed on a substrate. The first and second common electrode patterns and the pixel structures are located in a region surrounded by the common electrode ring. The first common electrode pattern is spaced from the second common electrode pattern by a gap. The first and the second common electrode patterns respectively overlap some of the pixel structures. The edge common signal line is disposed on the substrate, traces along the gap, and extends toward the common electrode ring to be electrically connected to the common electrode ring. The first common electrode pattern overlaps and is electrically connected to one common signal line. The second common electrode pattern overlaps and is electrically connected to another common signal line.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: July 20, 2021
    Assignee: Au Optronics Corporation
    Inventors: Te-Chun Huang, Wen-Yi Hsu, Zeng-De Chen, Pei-Ming Chen
  • Patent number: 10921918
    Abstract: A touch display device has a display area and includes a substrate, induction electrodes, first switches, and a first driver. The induction electrodes are disposed on the substrate and located within the display area, and the induction electrodes are arranged into an array. Each of the first switches has a first gate. Two adjacent induction electrodes in a same column of the array are electrically connected to each other through at least one of the first switches. The first driver is electrically connected to the first gates of the first switches.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: February 16, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chen-Hao Chiang, Yu-Hsin Hsieh, Chia-Chi Lee, Zeng-De Chen
  • 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
  • Patent number: 10877613
    Abstract: A touch display panel includes a touch circuit, a touch electrode layer and a plurality of multiplexers. The touch electrode layer includes a plurality of first electrodes. Each of the multiplexers is electrically connected to the touch circuit and the first electrodes. Each of the multiplexers is configured to output a touch sensing signal, a first guarding signal and a second guarding signal according to a first guarding control signal, a second guarding control signal, a first touch control signal, and a second touch control signal.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: December 29, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chia-Chi Lee, Che-Chia Chang, Tsung-Yen Tu, Zeng-De Chen, Ming-Hung Chuang, Wen-Rei Guo
  • 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
  • Publication number: 20200379594
    Abstract: A touch display device has a display area and includes a substrate, induction electrodes, first switches, and a first driver. The induction electrodes are disposed on the substrate and located within the display area, and the induction electrodes are arranged into an array. Each of the first switches has a first gate. Two adjacent induction electrodes in a same column of the array are electrically connected to each other through at least one of the first switches. The first driver is electrically connected to the first gates of the first switches.
    Type: Application
    Filed: January 16, 2020
    Publication date: December 3, 2020
    Inventors: Chen-Hao CHIANG, Yu-Hsin HSIEH, Chia-Chi LEE, Zeng-De CHEN
  • Patent number: 10732781
    Abstract: A free form touch device includes a substrate, a first switching device, a first touch electrode, a second switching device, and a second touch electrode. The first switching device includes a first channel layer, a first gate, a first source, and a first drain. An overlapping width of the first gate and the first channel layer is W1, and an overlapping length of the first gate and the first channel layer is L1. The first touch electrode is electrically connected with the first switching device. An area of the first touch electrode is A1. The second switching device includes a second channel layer, a second gate, a second source, and a second drain. An overlapping width of the second gate and the second channel layer is W2, and an overlapping length of the second gate and the second channel layer is L2, W1/L1>W2/L2. The second touch electrode is electrically connected with the second switching device. An area of the second touch electrode is A2, and A1>A2.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: August 4, 2020
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Zeng-De Chen
  • Publication number: 20200225793
    Abstract: A touch display panel is provided, including a common electrode ring, a first and a second common electrode pattern, pixel structures, an edge common signal line, and common signal lines disposed on a substrate. The first and second common electrode patterns and the pixel structures are located in a region surrounded by the common electrode ring. The first common electrode pattern is spaced from the second common electrode pattern by a gap. The first and the second common electrode patterns respectively overlap some of the pixel structures. The edge common signal line is disposed on the substrate, traces along the gap, and extends toward the common electrode ring to be electrically connected to the common electrode ring. The first common electrode pattern overlaps and is electrically connected to one common signal line. The second common electrode pattern overlaps and is electrically connected to another common signal line.
    Type: Application
    Filed: October 8, 2019
    Publication date: July 16, 2020
    Applicant: Au Optronics Corporation
    Inventors: Te-Chun Huang, Wen-Yi Hsu, Zeng-De Chen, Pei-Ming Chen
  • Publication number: 20200110483
    Abstract: A touch display panel includes a touch circuit, a touch electrode layer and a plurality of multiplexers. The touch electrode layer includes a plurality of first electrodes. Each of the multiplexers is electrically connected to the touch circuit and the first electrodes. Each of the multiplexers is configured to output a touch sensing signal, a first guarding signal and a second guarding signal according to a first guarding control signal, a second guarding control signal, a first touch control signal, and a second touch control signal.
    Type: Application
    Filed: March 29, 2019
    Publication date: April 9, 2020
    Inventors: Chia-Chi LEE, Che-Chia CHANG, Tsung-Yen TU, Zeng-De CHEN, Ming-Hung CHUANG, Wen-Rei GUO
  • Publication number: 20200089371
    Abstract: A touch display panel includes a first sensing matrix and a second sensing matrix. The first sensing matrix includes a plurality of grid units and a first switch unit. The grid units are arranged in matrix, wherein each grid unit includes at least one first electrode. The first switch unit includes a plurality of switches, and the switches are disposed between adjacent grid units. Wherein, the control end of the switches is configured to receive a first controlling signal, and one end of each of the switches is configured to output a sensing signal. The second sensing matrix includes at least one second electrode, and is configured to receive a common signal. The second sensing matrix includes a plurality of opening units, and each opening unit overlaps with the open area of each pixel circuit in a vertical projection direction of the first substrate.
    Type: Application
    Filed: August 12, 2019
    Publication date: March 19, 2020
    Inventors: Chia-Chi LEE, Chi-Cheng CHEN, Jing-Siang SYU, Shu-Wen TZENG, Gui-Wen LIU, Zeng-De CHEN, Wen-Rei GUO
  • Patent number: 10592026
    Abstract: A touch panel including a first substrate, a plurality of touch electrodes and a plurality of active components is provided. The first substrate has an active region. The touch electrodes are disposed on the active region. Each of the touch electrodes includes a network structure having a solid portion and a plurality of opening portions defined by the solid portion. Each of the active components includes a semiconductor pattern substantially shielded by the solid portion of one corresponding touch electrode.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: March 17, 2020
    Assignee: Au Optronics Corporation
    Inventors: Yu-Hsin Hsieh, Zeng-De Chen
  • Publication number: 20200057516
    Abstract: A free form touch device includes a substrate, a first switching device, a first touch electrode, a second switching device, and a second touch electrode. The first switching device includes a first channel layer, a first gate, a first source, and a first drain. An overlapping width of the first gate and the first channel layer is W1, and an overlapping length of the first gate and the first channel layer is L1. The first touch electrode is electrically connected with the first switching device. An area of the first touch electrode is A1. The second switching device includes a second channel layer, a second gate, a second source, and a second drain. An overlapping width of the second gate and the second channel layer is W2, and an overlapping length of the second gate and the second channel layer is L2, W1/L1>W2/L2. The second touch electrode is electrically connected with the second switching device. An area of the second touch electrode is A2, and A1>A2.
    Type: Application
    Filed: January 7, 2019
    Publication date: February 20, 2020
    Applicant: Au Optronics Corporation
    Inventors: Chia-Chi Lee, Zeng-De Chen
  • Publication number: 20180356924
    Abstract: A touch panel including a first substrate, a plurality of touch electrodes and a plurality of active components is provided. The first substrate has an active region. The touch electrodes are disposed on the active region. Each of the touch electrodes includes a network structure having a solid portion and a plurality of opening portions defined by the solid portion. Each of the active components includes a semiconductor pattern substantially shielded by the solid portion of one corresponding touch electrode.
    Type: Application
    Filed: September 4, 2017
    Publication date: December 13, 2018
    Applicant: Au Optronics Corporation
    Inventors: Yu-Hsin Hsieh, Zeng-De Chen
  • Patent number: 9939942
    Abstract: A touch display panel includes pixels, a first sensing line segment, a first connecting electrode and an insulating layer. The pixels are divided into a first group and a second group, and the first group includes a first region and a second region. Each pixel includes an active device, a pixel electrode and a common electrode. The first sensing line segment is disposed in a portion of the pixels of the first region. The insulating layer includes at least one first opening be adapted to expose a portion of the first sensing line segment or a portion of the first connecting electrode, and the first connecting electrode is connected to the portion of the first sensing line segment via the first opening to form a first sensing line.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: April 10, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yi-Chen Kuo, Zeng-De Chen, Ming-Yuan Tang, Chen-Hao Chiang
  • Publication number: 20170123538
    Abstract: A touch display panel includes pixels, a first sensing line segment, a first connecting electrode and an insulating layer. The pixels are divided into a first group and a second group, and the first group includes a first region and a second region. Each pixel includes an active device, a pixel electrode and a common electrode. The first sensing line segment is disposed in a portion of the pixels of the first region. The insulating layer includes at least one first opening be adapted to expose a portion of the first sensing line segment or a portion of the first connecting electrode, and the first connecting electrode is connected to the portion of the first sensing line segment via the first opening to form a first sensing line.
    Type: Application
    Filed: March 23, 2016
    Publication date: May 4, 2017
    Inventors: Yi-Chen KUO, Zeng-De CHEN, Ming-Yuan TANG, Chen-Hao CHIANG
  • Patent number: 8928598
    Abstract: A touch-sensing liquid crystal display (LCD) panel including an active device array substrate, an opposite substrate, and a liquid crystal layer disposed therebetween is provided. The active device array substrate includes a first substrate, a pixel array, a plurality of touch-sensing pads, and an electric field shielding layer. The pixel array is disposed on the first substrate and includes a plurality of sub-pixels arranged in an array, a plurality of scan lines, and a plurality of data lines. The touch-sensing pads are disposed on the first substrate. The electric field shielding layer is disposed on the pixel array and arranged between sub-pixels adjacent to each other, and the electric field shielding layer includes a pattern. The opposite substrate includes a common electrode and a plurality of touch-sensing protrusions disposed above the touch-sensing pads. Therefore, when the touch-sensing LCD panel is pressed, press mura is substantially eliminated.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: January 6, 2015
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Hong-Ji Huang, Yue-Hung Wu, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8763237
    Abstract: A method of fabricating a touch panel is provided. A substrate having a touch-sensing region and a peripheral region is provided. A touch-sensing circuit layer including first sensing series, and second meshed metal sensing pads is formed on the touch-sensing region of the substrate. An insulating layer having first contact windows is formed on the substrate to cover the touch-sensing circuit layer. The first contact windows expose a portion of the second meshed metal sensing pads. A plurality of second transparent bridge lines are formed on the insulating layer located in the touch-sensing region. Each second transparent bridge line is electrically connected to two adjacent second meshed metal sensing pads through two first contact windows. The second transparent bridge lines completely cover the portion of the second meshed metal sensing pads exposed by the first contact windows.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: July 1, 2014
    Assignee: Au Optronics Corporation
    Inventors: Yu-Feng Chien, Zeng-De Chen, Tun-Chun Yang, Seok-Lyul Lee