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:
May. 06, 2014
Filed:
Apr. 03, 2008
Applicants:
Yu-shan Chang, Taichung, TW;
Fu-shiang Yang, Hsinchu, TW;
Hau-wei Wang, Taipei, TW;
Inventors:
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01); G02B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device is provided. The optical device comprises a substrate having a coating region and a non-coating region. A first film is on the coating region, wherein the first film has a band edge structure extending to a portion of the non-coating region with an angle between a surface of the band edge structure and a surface of the first film to diminish the attenuation of an incident light beam.