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:
Feb. 27, 2024

Filed:

Jul. 17, 2020
Applicant:

Huizhou China Star Optoelectronics Technology Co., Ltd., Guangdong, CN;

Inventor:

Chingyuan Cheng, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); G02F 1/139 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1323 (2013.01); G02F 1/13338 (2013.01); G02F 1/133512 (2013.01); G02F 1/133531 (2021.01); G02F 1/1396 (2013.01); G06F 3/0412 (2013.01); G02F 1/133331 (2021.01); G02F 2202/28 (2013.01);
Abstract

A touch panel and a touch display device are provided. The touch panel includes a display module and a package cover plate. The display module includes a display screen and a first polarizer placed on a side of the display screen. A first frame glue is placed between the package cover plate and the display module, and the first frame glue, the package cover plate and the display module form a cavity. A first liquid crystal is filled in the cavity. The first liquid crystal includes a plurality of first liquid crystal molecules, and orthogonal projections of light axes of some of the first liquid crystal molecules intersect a polarization direction of the first polarizer.


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