Patents by Inventor Guan-Wu CHEN

Guan-Wu 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: 11934610
    Abstract: A touch control method is provided. The touch control method is applied in a touch device including a plurality of touch electrodes, the touch control method includes: step S1, sending a scanning signal to the plurality of touch electrodes, the scanning signal being a multi-frequency scanning signal; step S2, acquiring touch data according to the multi-frequency scanning signal; and step S3, calculating a current touch position according to the touch data.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: March 19, 2024
    Assignee: FocalTech Electronics (Shenzhen) Co., Ltd.
    Inventors: Wei-Jing Hou, Jian-Wu Chen, Hui-Dan Xiao, Da-Chun Wu, Zhen-Huan Mou, You-Gang Gong, Guan-Qun Pan
  • Patent number: 11360595
    Abstract: A touch display device, including a substrate and multiple light-emitting units bonded to the substrate, is provided. Each of the multiple light-emitting units includes at least one light-emitting element. A first light-emitting unit of the multiple light-emitting units includes at least one sensing element. In the first light-emitting unit, the at least one sensing element is located between the at least one light-emitting element and the substrate. The orthographic projection of the at least one sensing element on the substrate overlaps the orthographic projection of the at least one light-emitting element on the substrate.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 14, 2022
    Assignee: Au Optronics Corporation
    Inventors: Guan-Wu Chen, Chun-Yen Kuo
  • Publication number: 20210397284
    Abstract: A touch display device, including a substrate and multiple light-emitting units bonded to the substrate, is provided. Each of the multiple light-emitting units includes at least one light-emitting element. A first light-emitting unit of the multiple light-emitting units includes at least one sensing element. In the first light-emitting unit, the at least one sensing element is located between the at least one light-emitting element and the substrate. The orthographic projection of the at least one sensing element on the substrate overlaps the orthographic projection of the at least one light-emitting element on the substrate.
    Type: Application
    Filed: September 30, 2020
    Publication date: December 23, 2021
    Applicant: Au Optronics Corporation
    Inventors: Guan-Wu Chen, Chun-Yen Kuo
  • Patent number: 11011680
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: May 18, 2021
    Assignee: Epistar Corporation
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Publication number: 20200020829
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 16, 2020
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Patent number: 10446721
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 15, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Publication number: 20180212126
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Application
    Filed: January 26, 2018
    Publication date: July 26, 2018
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Patent number: 9966502
    Abstract: A light-emitting device includes a light-emitting element, and a covering layer. The light-emitting element includes a top surface, a bottom surface, a light-emitting stack between the top surface and the bottom surface, and an adhesion enhancing layer surrounding the light-emitting stack. The covering layer covers the light-emitting element and contacts the adhesion enhancing layer. Moreover, the adhesion enhancing layer includes an oxide and a thickness greater than 5 nm and less than 1000 nm.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: May 8, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Tai Cheng, Yih-Hua Renn, Guan-Wu Chen, Chun-Hua Shih
  • Publication number: 20170288095
    Abstract: A light-emitting device includes a light-emitting element, and a covering layer. The light-emitting element includes a top surface, a bottom surface, a light-emitting stack between the top surface and the bottom surface, and an adhesion enhancing layer surrounding the light-emitting stack. The covering layer covers the light-emitting element and contacts the adhesion enhancing layer. Moreover, the adhesion enhancing layer includes an oxide and a thickness greater than 5 nm and less than 1000 nm.
    Type: Application
    Filed: April 1, 2016
    Publication date: October 5, 2017
    Inventors: Ching-Tai CHENG, Yih-Hua RENN, Guan-Wu CHEN, Chun-Hua SHIH