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:
Feb. 22, 2022
Filed:
Oct. 10, 2018
South China Normal University, Guangzhou, CN;
Shenzhen Guohua Optoelectronics Co., Ltd., Shenzhen, CN;
Academy of Shenzhen Guohua Optoelectronics, Shenzhen, CN;
Guofu Zhou, Guangzhou, CN;
Xiaowen Hu, Guangzhou, CN;
Wei Zhao, Guangzhou, CN;
Qiumei Nie, Guangzhou, CN;
Weijie Zeng, Guangzhou, CN;
Haitao Sun, Guangzhou, CN;
SOUTH CHINA NORMAL UNIVERSITY ELECTRONIC PAPER DISPLAY INSTITUTE, Guangzhou, CN;
SHENZHEN GUOHUA OPTOELECTRONICS CO., LTD., Shenzhen, CN;
ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS, Shenzhen, CN;
Abstract
Disclosed are a laser protective film and a laser protective device comprising the same. The laser protective film comprises, stackingly disposed: a first liquid crystal polymer layer for reflecting left-hand polarized light, a second liquid crystal polymer layer for reflecting right-hand polarized light, and a third liquid crystal polymer layer for absorbing incident laser. In the above way, the laser protective film of the present disclosure has a large angle of protection, high flexibility. In addition, it is easy to find any damage to the laser protective film of the present disclosure. Moreover, it can make modification to existing equipment. Thus, the present disclosure has a good application prospect in many fields such as laser goggles, window glass and the like.