Patents by Inventor Ching-Feng Tsai

Ching-Feng Tsai 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: 12046688
    Abstract: The present invention discloses a light sensing unit of a light sensing device including a light sensing element and a switching element. The light sensing element includes a gate, a semiconductor layer, a gate insulating layer, a source, and a drain. The gate and the semiconductor layer are disposed on a substrate, the gate insulating layer separates the gate from the semiconductor layer, and the source and the drain are connected to the semiconductor layer respectively. At least one of the source and the drain are formed of a light-transmissive conductive layer. The semiconductor layer is disposed between one of the source and the drain and the gate, and when viewed along a normal direction of the substrate, the gate overlaps the one of the source and the drain, and the gate does not overlap another one of the source and the drain.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: July 23, 2024
    Assignee: HannsTouch Holdings Company
    Inventors: Sheng-Chia Lin, Ching-Feng Tsai
  • Publication number: 20230034080
    Abstract: The present invention discloses a light sensing unit of a light sensing device including a light sensing element and a switching element. The light sensing element includes a gate, a semiconductor layer, a gate insulating layer, a source, and a drain. The gate and the semiconductor layer are disposed on a substrate, the gate insulating layer separates the gate from the semiconductor layer, and the source and the drain are connected to the semiconductor layer respectively. At least one of the source and the drain are formed of a light-transmissive conductive layer. The semiconductor layer is disposed between one of the source and the drain and the gate, and when viewed along a normal direction of the substrate, the gate overlaps the one of the source and the drain, and the gate does not overlap another one of the source and the drain.
    Type: Application
    Filed: July 27, 2021
    Publication date: February 2, 2023
    Applicant: HannsTouch Solution Incorporated
    Inventors: Sheng-Chia Lin, Ching-Feng Tsai
  • Patent number: 11489085
    Abstract: A light sensing device includes a substrate, a gate electrode, a shielding electrode, a insulating layer, a semiconductor layer, a source electrode, and a drain electrode. The gate electrode and the shielding electrode are disposed over the substrate and spaced apart from each other. The insulating layer is disposed over the gate electrode and the shielding electrode. The semiconductor layer is disposed over the insulating layer. The source and drain electrodes are respectively connected to the semiconductor layer, and the semiconductor layer has a channel region between the source and drain electrodes. The channel region is divided into a first region adjacent to the drain electrode and overlapping the gate electrode and a second region adjacent to the source electrode and not overlapping the gate electrode, and the second region partially overlaps the shielding electrode.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: November 1, 2022
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Che-Yu Chuang, Ching-Feng Tsai
  • Patent number: 10825879
    Abstract: A pixel structure includes a substrate and a thin-film transistor having a first top surface and disposed above the substrate. The first top surface has a first projection area. A data line has a data line adjoining area connected to the thin-film transistor. A pixel electrode has a second top surface and disposed above the thin-film transistor. The second top surface has a second projection area that is greater than the first projection area. The second projection area has a first part and a second part; the first part corresponding to the first projection area is removed by at least 50%; and the second part corresponding to the data line adjoining area is at most 70% removed. The pixel structure omits an insulation layer under the pixel electrode to lower the cost of production and speed up the manufacturing process.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: November 3, 2020
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Ching-Feng Tsai, Che-Yu Chuang
  • Patent number: 10817119
    Abstract: A touch panel includes a substrate, a touch electrode, a control unit, and a trace structure. The substrate has a touch sensing area and a peripheral circuit area. The touch electrode is disposed on the touch sensing area of the substrate. The touch electrode includes a first transparent conductive layer, a second transparent conductive layer, and a metal mesh layer. The second transparent conductive layer is disposed on the first transparent conductive layer. The metal mesh layer is disposed between the first transparent conductive layer and the second transparent conductive layer, in which the metal mesh layer is at least partially in contact with the first transparent conductive layer and the second transparent conductive layer, and the metal mesh layer comprises plural metal lines. The trace structure is disposed on the peripheral circuit area of the substrate and configured to electrically connect the touch electrode to the control unit.
    Type: Grant
    Filed: April 21, 2019
    Date of Patent: October 27, 2020
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Ching-Feng Tsai, Wei-Ren Lo
  • Patent number: 10695016
    Abstract: A handheld radiation image detecting system and an operation method thereof are provided. The handheld radiation image detecting system includes a handheld device including a radiation emitter and a first transceiver and a sensing device including a radiation image sensor and a second transceiver. The first transceiver is coupled to the radiation emitter and used for generating a first wave with directionality. The second transceiver is used for receiving the first wave and for generating a second wave with directionality, and the first transceiver is used for receiving the second wave.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: June 30, 2020
    Assignees: HannsTouch Solution Incorporated, Energy Resources International Co., LTD.
    Inventors: Chi-Kuang Lai, Hsu-Ho Wu, Wei-Hsuan Ho, Ching-Feng Tsai, Che-Yu Chuang, Tsung-Min Yang, Yu-Wei Chen
  • Patent number: 10606393
    Abstract: A display device includes a display substrate, at least one micro light-emitting diode (LED) chip, and at least one reflective layer. The display substrate includes at least one sub-pixel circuit. The micro LED chip is electrically connected to the sub-pixel circuit. The micro LED chip is at least partially disposed between the reflective layer and the sub-pixel circuit.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: March 31, 2020
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Chih-Jen Cheng, Ching-Feng Tsai
  • Patent number: 10521039
    Abstract: A method for manufacturing a flexible touch display panel is provided. First, a display mother substrate including a plurality of first pad sets and a flexible touch mother substrate including a plurality of second pad sets are provided. Next, a plurality of first openings are formed in the display mother substrate, and a plurality of second openings are formed in the flexible touch mother substrate. Then, the flexible touch mother substrate is adhered to the display mother substrate by an adhesive layer, in which each first opening exposes one of the second pad sets respectively, and each second opening exposes one of the first pad sets respectively. Afterward, a cutting process is performed to form a plurality of touch display units.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: December 31, 2019
    Assignee: HannsTouch Solution Incorporated
    Inventors: Shi-Wei Ma, Ching-Feng Tsai
  • Publication number: 20190258346
    Abstract: A display device includes a display substrate, at least one micro light-emitting diode (LED) chip, and at least one reflective layer. The display substrate includes at least one sub-pixel circuit. The micro LED chip is electrically connected to the sub-pixel circuit. The micro LED chip is at least partially disposed between the reflective layer and the sub-pixel circuit.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 22, 2019
    Inventors: Chih-Jen CHENG, Ching-Feng TSAI
  • Publication number: 20190246996
    Abstract: A handheld radiation image detecting system and an operation method thereof are provided. The handheld radiation image detecting system includes a handheld device including a radiation emitter and a first transceiver and a sensing device including a radiation image sensor and a second transceiver. The first transceiver is coupled to the radiation emitter and used for generating a first wave with directionality. The second transceiver is used for receiving the first wave and for generating a second wave with directionality, and the first transceiver is used for receiving the second wave.
    Type: Application
    Filed: June 6, 2018
    Publication date: August 15, 2019
    Inventors: Chi-Kuang Lai, Hsu-Ho Wu, Wei-Hsuan Ho, Ching-Feng Tsai, Che-Yu Chuang, Tsung-Min Yang, Yu-Wei Chen
  • Publication number: 20190250750
    Abstract: A method for manufacturing a flexible touch display panel is provided. First, a display mother substrate including a plurality of first pad sets and a flexible touch mother substrate including a plurality of second pad sets are provided. Next, a plurality of first openings are formed in the display mother substrate, and a plurality of second openings are formed in the flexible touch mother substrate. Then, the flexible touch mother substrate is adhered to the display mother substrate by an adhesive layer, in which each first opening exposes one of the second pad sets respectively, and each second opening exposes one of the first pad sets respectively. Afterward, a cutting process is performed to form a plurality of touch display units.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Inventors: Shi-Wei Ma, Ching-Feng Tsai
  • Publication number: 20190243491
    Abstract: A touch panel includes a substrate, a touch electrode, a control unit, and a trace structure. The substrate has a touch sensing area and a peripheral circuit area. The touch electrode is disposed on the touch sensing area of the substrate. The touch electrode includes a first transparent conductive layer, a second transparent conductive layer, and a metal mesh layer. The second transparent conductive layer is disposed on the first transparent conductive layer. The metal mesh layer is disposed between the first transparent conductive layer and the second transparent conductive layer, in which the metal mesh layer is at least partially in contact with the first transparent conductive layer and the second transparent conductive layer, and the metal mesh layer comprises plural metal lines. The trace structure is disposed on the peripheral circuit area of the substrate and configured to electrically connect the touch electrode to the control unit.
    Type: Application
    Filed: April 21, 2019
    Publication date: August 8, 2019
    Inventors: Ching-Feng TSAI, Wei-Ren LO
  • Patent number: 10318030
    Abstract: A flexible touch display panel and a method for manufacturing the same are provided. First, a display mother substrate including a plurality of first pad sets and a flexible touch mother substrate including a plurality of second pad sets are provided. Next, a plurality of first openings are formed in the display mother substrate, and a plurality of second openings are formed in the flexible touch mother substrate. Then, the flexible touch mother substrate is adhered to the display mother substrate by an adhesive layer, in which each first opening exposes one of the second pad sets respectively, and each second opening exposes one of the first pad sets respectively. Afterward, a cutting process is performed to form a plurality of touch display units.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: June 11, 2019
    Assignee: HannsTouch Solution Incorporated
    Inventors: Shi-Wei Ma, Ching-Feng Tsai
  • Patent number: 10318080
    Abstract: A touch panel includes a substrate, a touch electrode, a control unit, and a trace structure. The substrate has a touch sensing area and a peripheral circuit area. The touch electrode is disposed on the touch sensing area of the substrate. The touch electrode includes a first transparent conductive layer, a second transparent conductive layer, and a metal mesh layer. The second transparent conductive layer is disposed on the first transparent conductive layer. The metal mesh layer is disposed between the first transparent conductive layer and the second transparent conductive layer, in which the metal mesh layer is at least partially in contact with the first transparent conductive layer and the second transparent conductive layer, and the metal mesh layer comprises plural metal lines. The trace structure is disposed on the peripheral circuit area of the substrate and configured to electrically connect the touch electrode to the control unit.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: June 11, 2019
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Ching-Feng Tsai, Wei-Ren Lo
  • Patent number: 10168841
    Abstract: A touch panel is disclosed, which includes a substrate, plural sensing units, plural wires, and a grounding component. The substrate includes a touch area and a wiring area surrounding the touch area. The sensing units are formed in the touch area. The wires are formed in the wiring area and are connected to the sensing units. The ground component is formed in the wiring area and includes plural hollow portions and conductive portions. At least parts of the hollow portions and at least parts of the conductive portions are alternatingly arranged. The situation of metal peeling can be prevented by slicing the grounding component in the touch panel.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: January 1, 2019
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Hui-Shu Lee, Yao-Chih Chuang, Ching-Feng Tsai, Yu-Sheng Yen, Bin-Yu Shu
  • Patent number: 10121832
    Abstract: A touch display device includes an organic light emitting diode display panel and a touch panel. The organic light emitting diode display panel includes an organic light emitting diode array having a plurality of pixel regions and a non-pixel region surrounding the pixel regions. Each of the pixel regions has an organic light emitting diode unit thereon, and a metal wire is located in the non-pixel region. The touch panel includes a transparent substrate, a sensing electrode layer and a light-shading pattern. The sensing electrode layer and the light-shading pattern are disposed on the transparent substrate, and overlapped each other. An orthogonal projection of the light-shading pattern onto the organic light emitting diode array is in the non-pixel region, and overlap the metal wire.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 6, 2018
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Hsu-Ho Wu, Che-Yu Chuang, Ching-Feng Tsai, Wei-Hsuan Ho
  • Patent number: 10095339
    Abstract: A touch panel is provided and includes a substrate and a plurality of sensing pads disposed on the substrate. Each sensing pad includes a metal layer, an insulation layer and a transparent conductive layer. The insulation layer is disposed between the metal layer and the transparent conductive layer, and the metal layer is in contact with the transparent conductive layer.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: October 9, 2018
    Assignee: HannsTouch Solution Incorporated
    Inventors: Ching-Feng Tsai, Shi-Wei Ma
  • Publication number: 20180203531
    Abstract: A touch panel includes a substrate, a touch electrode, a control unit, and a trace structure. The substrate has a touch sensing area and a peripheral circuit area. The touch electrode is disposed on the touch sensing area of the substrate. The touch electrode includes a first transparent conductive layer, a second transparent conductive layer, and a metal mesh layer. The second transparent conductive layer is disposed on the first transparent conductive layer. The metal mesh layer is disposed between the first transparent conductive layer and the second transparent conductive layer, in which the metal mesh layer is at least partially in contact with the first transparent conductive layer and the second transparent conductive layer, and the metal mesh layer comprises plural metal lines. The trace structure is disposed on the peripheral circuit area of the substrate and configured to electrically connect the touch electrode to the control unit.
    Type: Application
    Filed: January 19, 2017
    Publication date: July 19, 2018
    Inventors: Ching-Feng TSAI, Wei-Ren LO
  • Patent number: 10014352
    Abstract: A display device includes a back board, a substrate, a display layer, and a cover lens. The back board includes a first portion, a second portion, and a bendable portion. The bendable portion is between the first portion and the second portion and separating the first portion from the second portion, and a rigidity of the bendable portion is smaller than a rigidity of the first portion and the second portion. The substrate is disposed on the first portion, the second portion, and the bendable portion, and the substrate is attached to the back board by an adhesive. The display layer is disposed on the substrate. The cover lens is disposed on the display layer.
    Type: Grant
    Filed: July 9, 2017
    Date of Patent: July 3, 2018
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Ching-Feng Tsai, Shi-Wei Ma
  • Publication number: 20180157356
    Abstract: A flexible touch display panel and a method for manufacturing the same are provided. First, a display mother substrate including a plurality of first pad sets and a flexible touch mother substrate including a plurality of second pad sets are provided. Next, a plurality of first openings are formed in the display mother substrate, and a plurality of second openings are formed in the flexible touch mother substrate. Then, the flexible touch mother substrate is adhered to the display mother substrate by an adhesive layer, in which each first opening exposes one of the second pad sets respectively, and each second opening exposes one of the first pad sets respectively. Afterward, a cutting process is performed to form a plurality of touch display units.
    Type: Application
    Filed: February 6, 2017
    Publication date: June 7, 2018
    Inventors: Shi-Wei Ma, Ching-Feng Tsai