Invention Grant
- Patent Title: Anti-peeping module and display device
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Application No.: US16910601Application Date: 2020-06-24
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Publication No.: US11409152B2Publication Date: 2022-08-09
- Inventor: Kangle Chang , Pengfei Cheng , Heling Zhu , Lu Yu , Jian Sang
- Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
- Applicant Address: CN Beijing; CN Beijing
- Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.,BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.,BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee Address: CN Beijing; CN Beijing
- Agency: Calfee, Halter & Griswold LLP
- Priority: CN201921234176.8 20190731
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; H01L27/32 ; F21V8/00

Abstract:
An anti-peeping module provided by an embodiment of the application includes a plurality of light transmitting films, each including at least two light transmitting sub-films having different refractive indexes which are disposed in a laminated manner, and a first optical path modulating layer on one side of the plurality of light transmitting films, the first optical path modulating layer comprising a plurality of zigzag structures, the and being configured to allow light entering into the plurality of light transmitting films at a Brewster incident angle to exit from the anti-peeping module in a travelling direction perpendicular to a plane where the anti-peeping module is located.
Public/Granted literature
- US20210033899A1 ANTI-PEEPING MODULE AND DISPLAY DEVICE Public/Granted day:2021-02-04
Information query
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