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:
Jul. 23, 2024
Filed:
Apr. 19, 2022
Applicant:
Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;
Inventors:
Assignee:
Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3016 (2013.01); G02F 1/133528 (2013.01); G02F 1/13363 (2013.01); G02F 2413/04 (2013.01); G02F 2413/07 (2013.01);
Abstract
A birefringence film is provided with a plurality of birefringence layers including a hybrid-aligned liquid crystalline polymer. The plurality of birefringence layers is stacked in a state in which the alignment directions of the liquid crystal polymer are identical, and the rising directions of the tilt angle of the liquid crystal polymer are identical.