Patents by Inventor Liji CHENG

Liji CHENG 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 device including light coupling sub-layers having a stacked step structure, and manufacturing method thereof
    Patent number: 11404675
    Abstract: The present disclosure provides a light emitting device and a manufacturing method thereof, a display panel and a display apparatus. The light emitting device includes a substrate; a light emitting element on the substrate; and a light coupling layer on a light emitting side of the light emitting element, wherein a thickness of the light coupling layer gradually decreases in a direction from a central region of the light emitting device toward an edge region of the light emitting device.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: August 2, 2022
    Assignees: Chongqing Boe Display Technology Co., Ltd., Boe Technology Group Co., Ltd.
    Inventors: Can Huang, Dawei Shi, Weilin Lai, Jiandong Bao, Lu Yang, Wentao Wang, Liji Cheng
  • DISPLAY PANEL, DISPLAY SCREEN AND DISPLAY DEVICE
    Publication number: 20220093690
    Abstract: Embodiments of the application provide a display panel, a display screen and a display device. The display panel includes a backplane, a color filter layer, and a black matrix between the backplane and the color filter layer. The backplane includes a base substrate, the color filter layer includes a plurality of sub-pixel color filters, and the plurality of sub-pixel color filters are arranged along a plane of the color filter layer and spliced together to form the color filter layer.
    Type: Application
    Filed: April 7, 2021
    Publication date: March 24, 2022
    Inventors: Wenqiang WANG, Ao HUANG, Peng ZHOU, Liji CHENG, Sheng GUO, Jiandong BAO, Weilin LAI
  • LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF, DISPLAY PANEL AND DISPLAY APPARATUS
    Publication number: 20210111377
    Abstract: The present disclosure provides a light emitting device and a manufacturing method thereof, a display panel and a display apparatus. The light emitting device includes a substrate; a light emitting element on the substrate; and a light coupling layer on a light emitting side of the light emitting element, wherein a thickness of the light coupling layer gradually decreases in a direction from a central region of the light emitting device toward an edge region of the light emitting device.
    Type: Application
    Filed: May 20, 2020
    Publication date: April 15, 2021
    Inventors: Can HUANG, Dawei SHI, Weilin LAI, Jiandong BAO, Lu YANG, Wentao WANG, Liji CHENG