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:
Oct. 22, 2019
Filed:
Mar. 15, 2016
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Akira Gotou, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A backlight device (a lighting device)includes LEDs (a light source), a light guide platehaving a light entering end surfacethat is a part of peripheral edge surfaces and through which light from the LEDsenters and a light exiting plate surfacethat is one of a pair of plate surfaces and through which light exits, a wavelength conversion sheet (a wavelength conversion member)overlapping the light exiting plate surfaceof the light guide plateand containing phosphors that convert the light from the LEDsto light with other wavelengths, and a color exhibit memberdisposed on at least a part of a peripheral portion of the wavelength conversion sheetand exhibiting a color same as or similar to a color of the light converted with wavelength conversion by the phosphors contained in the wavelength conversion sheet