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:
Sep. 13, 2022
Filed:
May. 13, 2020
Chongqing Boe Optoelectronics Technology Co., Ltd., Chongqing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Pan Yuan, Beijing, CN;
Sijun Lei, Beijing, CN;
Liang Gao, Beijing, CN;
Xianyong Gao, Beijing, CN;
Yansheng Sun, Beijing, CN;
Yunsong Li, Beijing, CN;
Zhicai Xu, Beijing, CN;
Yong Long, Beijing, CN;
Ying Zhang, Beijing, CN;
Dengqian Li, Beijing, CN;
Guojian Zhang, Beijing, CN;
Fanjian Zeng, Beijing, CN;
Shanbin Chen, Beijing, CN;
Sen Tan, Beijing, CN;
Hebing Ma, Beijing, CN;
Chaojie Zhang, Beijing, CN;
Song Liu, Beijing, CN;
Xinzhi Shao, Beijing, CN;
Yong Deng, Beijing, CN;
Xiangchao Chen, Beijing, CN;
Genchuan Yan, Beijing, CN;
Ying Yang, Beijing, CN;
Xinyu Wang, Beijing, CN;
Chongqing BOE Optoelectronics Technology Co., Ltd., Chongqing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
Disclosed are a display module, a display device and a viewing-angle switching method. The display module includes a backlight module, a display panel, a lower polarizer sheet, a viewing-angle switching element and a transparent cover plate; the viewing-angle switching element and the transparent cover plate are arranged between the display panel and the lower polarizer sheet, and the transparent cover plate is arranged on a side of the viewing-angle switching element that is close to the lower polarizer sheet; the backlight module is configured to supply light that meets a preset condition, the viewing-angle switching element is configured to switch viewing-angle modes of the display module; the viewing-angle modes include; a first viewing-angle mode and a second viewing-angle mode; and a viewing-angle range of the first viewing-angle mode is smaller than a viewing angle range of the second viewing-angle mode.