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:
Sep. 09, 2014
Filed:
May. 27, 2011
Applicant:
Toshimi Fukui, Ohtsu, JP;
Inventor:
Toshimi Fukui, Ohtsu, JP;
Assignee:
Empire Technology Development LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); G02B 6/10 (2006.01); G02B 5/00 (2006.01); F21K 2/00 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0001 (2013.01); G02B 5/003 (2013.01); G02F 2001/133614 (2013.01); F21K 2/00 (2013.01); F21V 2008/00 (2013.01); Y10S 385/90 (2013.01);
Abstract
Embodiments described herein generally relate to re-using the energy of natural light. In some examples, a lighting unit is described. An example lighting unit can include a multiple number of bound light-conductive members. A long-lasting phosphorescent material can be dispersed between the multiple number of bound light-conductive members. A luminance of the lighting unit can be at least several thousand cd/m.