Patents by Inventor Chengliang Liang

Chengliang Liang 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).

  • Lighting apparatus
    Patent number: 11898729
    Abstract: A lighting apparatus includes a driver module, a light source, a main housing and an optical plate. The driver module converts an external power to a driving current. The light source includes multiple LED chips. The light source is coupled to to the drive module to emit a light. The main housing is used for disposing the driver module and the light source. The optical plate is detachably inserted into a sliding track of the main housing via a lateral opening of the main housing so that the optical plate is replaceable. The optical plate changes a light direction of the light emitted by the light source to a light opening. A first surface of the light opening is substantially perpendicular to a second surface of the lateral opening.
    Type: Grant
    Filed: November 27, 2022
    Date of Patent: February 13, 2024
    Assignee: LEEDARSON LIGHTING CO., LTD.
    Inventors: Yunfei Ou, Aijun Cheng, Bin Yi, Chengliang Liang, Hongxian San, Zongyuan Liu, Haiyan Chen, Yongjun Bao
  • LIGHTING APPARATUS
    Publication number: 20230417397
    Abstract: A lighting apparatus includes a driver module, a light source, a main housing and an optical plate. The driver module converts an external power to a driving current. The light source includes multiple LED chips. The light source is coupled to to the drive module to emit a light. The main housing is used for disposing the driver module and the light source. The optical plate is detachably inserted into a sliding track of the main housing via a lateral opening of the main housing so that the optical plate is replaceable. The optical plate changes a light direction of the light emitted by the light source to a light opening. A first surface of the light opening is substantially perpendicular to a second surface of the lateral opening.
    Type: Application
    Filed: November 27, 2022
    Publication date: December 28, 2023
    Inventors: Yunfei Ou, Aijun Cheng, Bin Yi, Chengliang Liang, Hongxian San, Zongyuan Liu, Haiyan Chen, Yongjun Bao