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. 30, 2019
Filed:
Jul. 26, 2016
Applicant:
Delta Electronics, Inc., Taoyuan, TW;
Inventors:
Keh-Su Chang, Taoyuan, TW;
Chun-Hsien Lu, Taoyuan, TW;
Yen-I Chou, Taoyuan, TW;
Chi Chen, Taoyuan, TW;
Assignee:
DELTA ELECTRONICS, INC., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
H01S 5/0064 (2013.01); G02B 5/0215 (2013.01); G02B 5/0268 (2013.01); G02B 5/0278 (2013.01); G02B 5/0294 (2013.01); H01S 5/005 (2013.01);
Abstract
A diffuser includes a first substrate and a gel layer. The first substrate has a first refractive index n1. The gel layer includes a body and at least one microstructure. The body is disposed on the first substrate. The microstructure is disposed on the body, wherein the dimension of the microstructure is smaller than that of the body. The body is located between the microstructure and the first substrate. The gel layer has a second refractive index n2, and n1>n2.