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. 02, 2021
Filed:
Apr. 19, 2017
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Dongchuan Chen, Beijing, CN;
Xibin Shao, Beijing, CN;
Yanping Liao, Beijing, CN;
Zhenyu Zhang, Beijing, CN;
Fangyu Wang, Beijing, CN;
Xueqiang Qian, Beijing, CN;
Wenchao Wang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
The present application discloses a backlight module for a display apparatus. The backlight module for a display apparatus includes a light guide plate; and a light transmittance control layer on the light guide plate configured to receive light from the light guide plate and modulate light intensity of the light from the light guide plate. The light transmittance control layer includes a light transmittance control material having a variable light transmissivity. Light transmittance in a plurality of regions of the light transmittance control layer is individually controllable.