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. 09, 2011
Filed:
May. 29, 2008
Applicants:
Daekeun Yoon, Beijing, CN;
Chulyoun Kim, Beijing, CN;
Haijun Liu, Beijing, CN;
Inventors:
Assignee:
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/00 (2006.01); F21V 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention disclosed a light source, comprising a light tube and a plurality of prism members disposed on an outer surface of the light tube for reducing amount of external lights entering the light tube. According to the invention, the prism members disposed on the outer surface of the light tube can not only focus the light emitting from the light tube, but also increase the possibility of total reflection of the incident light.