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:
Mar. 23, 2010
Filed:
Nov. 19, 2007
Applicants:
Tzu-jang Yang, Taoyuan County, TW;
Wen-feng Cheng, Taoyuan County, TW;
Inventors:
Tzu-Jang Yang, Taoyuan County, TW;
Wen-Feng Cheng, Taoyuan County, TW;
Assignee:
Entire Technology Co., Ltd., Taoyuan County, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diffusion plate assembly includes a diffusion plate made from transparent material. Pluralities of bar-type patterns are disposed on the emission surface of the diffusion plate. The outline of these patterns has a first curve and a second curve. The protruding direction of the first curve and the second curve are inversed. The second curve is an arc whose radius curvature is between 0.05 mm and 0.3 mm.
Yang, Tzu-Jang. (2010). Diffusion plate and diffusion plate assembly (U.S. Patent No. 7684118). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7684118
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile