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:
Nov. 12, 2019
Filed:
Nov. 20, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Takashi Ikeda, Osaka, JP;
Masafumi Tanaka, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/30 (2018.01); G03B 21/20 (2006.01); B32B 7/12 (2006.01); B32B 15/04 (2006.01); B32B 37/10 (2006.01); G02B 26/00 (2006.01); H04N 9/31 (2006.01); F21Y 115/30 (2016.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); B32B 7/12 (2013.01); B32B 15/04 (2013.01); B32B 37/10 (2013.01); F21V 9/30 (2018.02); G02B 26/008 (2013.01); H04N 9/31 (2013.01); B32B 2038/0076 (2013.01); B32B 2250/02 (2013.01); B32B 2307/422 (2013.01); B32B 2309/02 (2013.01); B32B 2311/24 (2013.01); B32B 2313/00 (2013.01); B32B 2551/00 (2013.01); F21Y 2115/30 (2016.08);
Abstract
The phosphor disc disclosed here includes the following structural elements: a disc-shaped metal plate; a phosphor layer disposed circumferentially on the metal plate; and a bonding layer for bonding the phosphor layer to the metal plate. The metal plate curves convexly toward the phosphor layer.