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:
Apr. 24, 2012
Filed:
Mar. 16, 2010
Chien-tang Wang, Tainan County, TW;
Kuan-hsu Fan-chiang, Tainan County, TW;
Yen-chen Chen, Tainan County, TW;
Chien-Tang Wang, Tainan County, TW;
Kuan-Hsu Fan-Chiang, Tainan County, TW;
Yen-Chen Chen, Tainan County, TW;
Himax Display, Inc., Tainan, TW;
Abstract
A polarization beam splitter (PBS) includes a first prism, a second prism, an alignment layer, and a cholesteric liquid crystal (CLC) layer. The first prism has two first surfaces adjacent to each other and a first slanted surface that forms a first included angle with the two first surfaces, respectively. The second prism has two second surfaces adjacent to each other and a second slanted surface that forms a second included angle with the two second surfaces, respectively. The second slanted surface is opposite to the first slanted surface. The alignment layer is disposed on the first slanted surface of the first prism. The CLC layer is disposed between the alignment layer and the second slanted surface of the second prism.