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.

Date of Patent:
Dec. 25, 2018

Filed:

Feb. 24, 2016
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventor:

Kentaro Kamada, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21S 2/00 (2016.01); F21V 7/22 (2018.01);
U.S. Cl.
CPC ...
G02F 1/133611 (2013.01); F21S 2/00 (2013.01); F21V 7/22 (2013.01); G02F 1/133605 (2013.01); G02F 1/133621 (2013.01); G02F 2001/133614 (2013.01); G02F 2202/36 (2013.01);
Abstract

A lighting deviceincludes LEDs, a chassisincluding a bottom plateand having the LEDstherein, a wavelength conversion sheetdisposed away from the LEDson a light exit side and containing phosphors for converting wavelength of light emitted by the LEDs, a reflection sheetconfigured to reflect the light emitted by the LEDstoward the wavelength conversion sheet, the reflection sheetincluding at least a bottom reflection portiondisposed along the bottom plate, and an extended reflection portionextending from the bottom reflection portiontoward the wavelength conversion sheet, and a color exhibit memberdisposed on a portion of the extended reflection portionand configured to exhibit a tint closer to a tint of the light emitted by the LEDsin comparison to the bottom reflection portion


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