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. 24, 2016
Filed:
Dec. 13, 2010
Hsueh-chih Chang, Changhua County, TW;
Sheng-pan Huang, Changhua County, TW;
Chiu-ling Chen, Hsinchu County, TW;
Hsueh-Chih Chang, Changhua County, TW;
Sheng-Pan Huang, Changhua County, TW;
Chiu-Ling Chen, Hsinchu County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An illuminating device is provided. The illuminating device includes a light source and a lampshade. The light source provides a first light beam and a second light beam. The lampshade includes a first curved surface and a second curved surface. The first light beam is refracted by the first curved surface. The second light beam is reflected by the second curved surface, and a curvature of the first curved surface differs from a curvature of the second curved surface.