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: 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
  • Patent number: 8742437
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: June 3, 2014
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8735916
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: May 27, 2014
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8674952
    Abstract: A touch display panel which includes a first substrate, a second substrate, at least a multi-sensing structure, a display medium and at least a display controlling device is provided. The multi-sensing structure is disposed between the first substrate and the second substrate, and the multi-sensing structure includes a sensing upper electrode and a plurality of first sensing lower electrodes. The sensing upper electrode is disposed on the second substrate. The first sensing lower electrodes are disposed on the first substrate and electrically connected to each other in series, wherein a plurality of first sensing gaps are designed between the first sensing lower electrodes and the sensing upper electrode, and the first sensing gaps have different distances. The display medium is sandwiched between the first substrate and the second substrate. The display controlling device is disposed on the first substrate for controlling the display medium.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: March 18, 2014
    Assignee: Au Optronics Corporation
    Inventors: Kuo-Feng Kao, Che-Cheng Kuo, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8629959
    Abstract: An optical compensation film includes an optical film and a retardation film. The optical film provides a plate retardation in the direction of thickness (Rth), while the retardation film is disposed on the optical film. The retardation film includes first retarders and second retarders, wherein the first retarders are disposed on at least partial areas of the optical film and provide a first planar retardation (Ro1); the second retarders are disposed on partial areas of the optical film but outside the first retarders and provide a second planar retardation (Ro2) and the first planar retardation (Ro1) is different from the second planar retardation (Ro2). The above-mentioned optical compensation film is capable of compensating the displays for different display areas in a liquid crystal display panel. In addition, the present invention also provides a fabricating method of optical compensation film.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: January 14, 2014
    Assignee: Au Optronics Corporation
    Inventors: Yue-Shih Jeng, Zeng-De Chen, Kuan-Yi Hsu, Chih-Ming Chang, Feng-Yuan Gan
  • Patent number: 8599321
    Abstract: A touch-sensing display device, specifically to a borderless touch-sensing display device, is disclosed. The touch-sensing display device includes a display module and a touch-sensing module. The touch-sensing module includes a first sensing sheet and a second sensing sheet, wherein a space exists between the first sensing sheet and the second sensing sheet. The first sensing sheet includes a lens layer, a plurality of first conductive portions, and a conductive film, wherein the conductive film is disposed on the lens layer while the first conductive portions are distributed on two opposite sides of the lens layer. The second sensing sheet includes a substrate, a plurality of second conductive portions, and a plurality of conductive strips, wherein the second conductive portions are selectively distributed on one of two sides of the substrate while the conductive strips are respectively connected to the second conductive portions and have different voltages.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: December 3, 2013
    Assignee: AU Optronics Corporation
    Inventors: Kuo-Feng Kao, Tsung-Chin Cheng, Kung-Chieh Huang, Zeng-De Chen, Seok-Lyul Lee
  • Publication number: 20130312253
    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: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: Au Optronics Corporation
    Inventors: Yu-Feng Chien, Zeng-De Chen, Tun-Chun Yang, Seok-Lyul Lee
  • Publication number: 20130313600
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Application
    Filed: July 31, 2013
    Publication date: November 28, 2013
    Applicant: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Publication number: 20130313599
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Application
    Filed: July 31, 2013
    Publication date: November 28, 2013
    Applicant: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8581878
    Abstract: A method for mitigating pooling mura on LCD apparatus and a LCD apparatus are provided. The method is adapted for a LCD apparatus having a plurality of pixels. The LCD apparatus is for displaying frames according to a received original display data, and each of at least a part of the pixels comprises two pixel electrodes to drive a plurality of liquid crystal molecules between the two pixel electrodes. The method comprises changing a corresponding portion of the original display data so as to rotate at least a part of the liquid crystal molecules between the two pixel electrodes of the pressed pixel toward a natural angle; and maintaining another corresponding portion of the original display data. The natural angle is a finally-presented tilt angle of the liquid crystal molecules between the corresponding two pixel electrodes having substantially no potential difference therebetween.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: November 12, 2013
    Assignee: AU Optronics Corp.
    Inventors: Zeng-De Chen, Hong-Ji Huang, Seok-Lyul Lee, Yuet-Ping Lee, Yu-Cheng Tsai