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.

Date of Patent:
Jul. 09, 2024

Filed:

Feb. 13, 2023
Applicant:

Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;

Inventors:

Zhiyuan Zhang, Shanghai, CN;

Xintong Ling, Shanghai, CN;

Fan Tian, Shanghai, CN;

Xiongping Li, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); F21V 8/00 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1343 (2006.01); G02F 1/1347 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1323 (2013.01); G02B 6/0053 (2013.01); G02F 1/13338 (2013.01); G02F 1/133514 (2013.01); G02F 1/133528 (2013.01); G02F 1/13363 (2013.01); G02F 1/134309 (2013.01); G02F 1/1347 (2013.01); G02F 2413/02 (2013.01);
Abstract

Anti-peep display assembly and display device are provided. The anti-peep display assembly includes a backlight module, a first birefringence control type liquid crystal cell, a second birefringence control type liquid crystal cell, and a display liquid crystal cell. Along a thickness direction of the anti-peep display assembly, the first birefringence control type liquid crystal cell and the second birefringence control type liquid crystal cell are between the backlight module and the display liquid crystal cell, and the first birefringence control type liquid crystal cell is between the second birefringence control type liquid crystal cell and the backlight module. A first polarizer is arranged on a side of the display liquid crystal cell away from the second birefringence control type liquid crystal cell, and a second polarizer is arranged between the display liquid crystal cell and the second birefringence control type liquid crystal cell.


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