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:
Aug. 17, 2010
Filed:
Nov. 16, 2006
Applicants:
Shih-yi Chuang, Kaohsiung, CN;
Chao-yi Tsai, Kaohsiung, CN;
Inventors:
Shih-Yi Chuang, Kaohsiung, CN;
Chao-Yi Tsai, Kaohsiung, CN;
Assignee:
Eternal Chemical Co., Ltd., Kaohsiung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); B32B 3/28 (2006.01); B32B 3/30 (2006.01); F21V 5/02 (2006.01); G02B 5/02 (2006.01); G02B 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical sheet includes a substrate, a light diffusion layer formed on the substrate, and a light gathering layer formed on the light diffusion layer. The light diffusion layer includes a polymeric resin having a plurality of bubbles mixed therein. The light gathering layer has at least one microstructure. The optical sheet of the subject invention can be used in LCD's as a photo-diffusive brightness enhancement film.