The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2024
Filed:
May. 15, 2020
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, CN;
Lei Wen, Shenzhen, CN;
Zhiqing Shi, Shenzhen, CN;
Miao Jiang, Shenzhen, CN;
Jiangbo Yao, Shenzhen, CN;
Lixuan Chen, Shenzhen, CN;
Xin Zhang, Shenzhen, CN;
Abstract
A projection display device and a projection display equipment are provided. The projection display device includes a display screen body, a photosensitive device, and a control module. The control module is electrically connected to the display screen body, the photosensitive device outputs a photosensitive signal when sensing a projection light beam, and the control module is electrically connected to the photosensitive device to receive the photosensitive signal and to control a section on the display screen body corresponding to a projection position of the projection light beam to be converted from a transparent state to an opaque state according to the photosensitive signal.