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:
Feb. 21, 2012
Filed:
Jun. 02, 2009
Applicant:
Makoto Takamura, Kyoto, JP;
Inventor:
Makoto Takamura, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J 7/44 (2006.01); H01J 13/46 (2006.01); H01J 17/34 (2006.01); H01J 19/78 (2006.01); H01J 23/16 (2006.01); H01J 29/96 (2006.01); H01K 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescence lighting device includes a planar organic electroluminescence element; a planer heat diffusion plate provided on one surface of the organic electroluminescence element; and a constant current circuit element that is placed so as to contact the heat diffusion plate and supplies a constant current to the organic electroluminescence element.