Patents by Inventor Zhangxian CHENG

Zhangxian 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).

  • OPTICAL ASSEMBLY, LIQUID CRYSTAL DISPLAY DEVICE, AND ELECTRONIC EQUIPMENT
    Publication number: 20210405457
    Abstract: The present disclosure provides an optical assembly, a liquid crystal display device, and an electronic equipment. The optical assembly includes: a linear polarizer, a half-wave plate, and a quarter-wave plate stacked in sequence. An absorption axis of the linear polarizer is substantially perpendicular to a first direction, and the first direction is parallel to a surface of the linear polarizer; an angle between an in-plane slow axis of the half-wave plate and the first direction is in a range of 100° to 110°; an angle between an in-plane slow axis of the quarter-wave plate and the first direction is in a range of 160° to 170°.
    Type: Application
    Filed: September 26, 2019
    Publication date: December 30, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuan ZHONG, Hongliang YUAN, Jian WANG, Qi ZHENG, Wei ZHAO, Xiaojuan WU, Zhangxian CHENG, Jiaxing WANG