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:
Jan. 22, 2019
Filed:
Mar. 04, 2016
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventor:
Kentaro Kamada, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/30 (2018.01); F21K 9/61 (2016.01); F21K 9/64 (2016.01); G02F 1/1335 (2006.01); F21S 2/00 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 9/30 (2018.02); F21K 9/61 (2016.08); F21K 9/64 (2016.08); F21S 2/00 (2013.01); G02F 1/133603 (2013.01); F21Y 2115/10 (2016.08); G02F 1/133608 (2013.01); G02F 2001/133613 (2013.01);
Abstract
A lighting device includes LEDs (a light source), a wavelength conversion sheet (a wavelength conversion member)containing phosphors for converting light emitted by the LEDswith wavelength conversion, and a diffuser platethat exerts diffusing effects on the light from the LEDsand is thicker than the wavelength conversion sheetand disposed on a light exit side with respect to the wavelength conversion sheet