Patents by Inventor Heng-Che Chen

Heng-Che 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).

  • LIGHT-EMITTING PACKAGE AND LIGHT-EMITTING ELEMENT
    Publication number: 20240162382
    Abstract: The present disclosure provides a light-emitting package. The light-emitting package includes a main body, a cavity disposed in the cavity, a base plane in the cavity and a light-emitting element. The light-emitting element is disposed in the cavity and connected to the base plane. The light-emitting element includes a substrate and a semiconductor stack on the substrate. The substrate includes a side wall, and the side wall incudes a first cutting trace. The main body includes a step portion disposed in the cavity and it surrounds the light-emitting element. The step portion comprises a first height relative to base plane, and the first cutting trace comprises a second height relative to the base plane. The second height is greater than the first height.
    Type: Application
    Filed: November 10, 2023
    Publication date: May 16, 2024
    Inventors: Wu-Tsung LO, Chih-Hao CHEN, Wei-Che WU, Heng-Ying CHO, Tsun-Kai KO
  • Driving methods to produce a mixed color state for an electrophoretic display
    Patent number: 11217145
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: January 4, 2022
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • Driving methods for color display device
    Patent number: 11004409
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: May 11, 2021
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • DRIVING METHODS TO PRODUCE A MIXED COLOR STATE FOR AN ELECTROPHORETIC DISPLAY
    Publication number: 20200320921
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • Driving methods to produce a mixed color state for an electrophoretic display
    Patent number: 10726760
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.
    Type: Grant
    Filed: June 30, 2019
    Date of Patent: July 28, 2020
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • DRIVING METHODS TO PRODUCE A MIXED COLOR STATE FOR AN ELECTROPHORETIC DISPLAY
    Publication number: 20190325804
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.
    Type: Application
    Filed: June 30, 2019
    Publication date: October 24, 2019
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • DRIVING METHODS FOR COLOR DISPLAY DEVICE
    Publication number: 20190272792
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Inventors: Craig LIN, Jo-Cheng HUANG, Heng-Che CHEN, Peter B. LAXTON, Ming WANG, Ping-Yueh CHENG, HongMei ZANG
  • Driving methods for color display device
    Patent number: 10380931
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: August 13, 2019
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • Driving methods for color display device
    Patent number: 10339876
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: July 2, 2019
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • DRIVING METHODS FOR COLOR DISPLAY DEVICE
    Publication number: 20170263176
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states.
    Type: Application
    Filed: April 25, 2017
    Publication date: September 14, 2017
    Inventors: Craig Lin, Jo-Cheng Huang, Heng-Che Chen, Peter B. Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • DRIVING METHODS FOR COLOR DISPLAY DEVICE
    Publication number: 20150097877
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics.
    Type: Application
    Filed: October 6, 2014
    Publication date: April 9, 2015
    Inventors: Craig LIN, Jo-Cheng Huang, Heng-Che Chen, Peter Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang