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. 03, 2016
Filed:
Mar. 16, 2010
Applicants:
Shoei Kataoka, Tokyo, JP;
Teruyuki Kataoka, Tokyo, JP;
Inventors:
Shoei Kataoka, Tokyo, JP;
Teruyuki Kataoka, Tokyo, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); F21V 14/00 (2006.01); F21K 99/00 (2016.01); F21S 8/04 (2006.01); G02F 1/1335 (2006.01); G02F 1/1333 (2006.01); G02F 1/1334 (2006.01); H05B 37/02 (2006.01); F21V 3/00 (2015.01); F21W 131/40 (2006.01); F21Y 101/02 (2006.01); F21Y 111/00 (2016.01);
U.S. Cl.
CPC ...
F21V 14/003 (2013.01); F21K 9/135 (2013.01); F21S 8/04 (2013.01); G02F 1/1334 (2013.01); G02F 1/133371 (2013.01); G02F 1/133526 (2013.01); G02F 1/133603 (2013.01); H05B 37/0245 (2013.01); F21V 3/00 (2013.01); F21W 2131/40 (2013.01); F21Y 2101/02 (2013.01); F21Y 2111/005 (2013.01);
Abstract
Light from an LED (light-emitting diodes) has strong directional characteristics; therefore, lighting over large area, as well as control of the quality or the distribution of lighting was impossible. Placing a liquid-crystal panel in front of an LED (light-emitting diodes) enables to control light from the LED and the quality or the distribution of lighting.