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:
Jan. 03, 2023
Filed:
Jul. 18, 2019
Applicant:
Himax Technologies Limited, Tainan, TW;
Inventors:
Hung-Shan Chen, Tainan, TW;
Ming-Syuan Chen, Tainan, TW;
Ming-Shu Hsiao, Tainan, TW;
Cheng-Hung Chi, Tainan, TW;
Kuan-Ming Chen, Tainan, TW;
Chin-Jung Tsai, Tainan, TW;
Yi-Nung Liu, Tainan, TW;
Assignee:
HIMAX TECHNOLOGIES LIMITED, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133504 (2013.01); G02F 1/133365 (2013.01);
Abstract
A liquid crystal element includes a substrate, a diffractive optical element layer, and a liquid crystal material. The diffractive optical element layer has an uneven surface. The liquid crystal material is between the substrate and the uneven surface of the diffractive optical element layer. The liquid crystal material is disposed contiguously with the uneven surface of the diffractive optical element layer.