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:
Sep. 08, 2015
Filed:
Apr. 15, 2011
Applicant:
Kentaro Kamada, Osaka, JP;
Inventor:
Kentaro Kamada, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/60 (2010.01); H01L 25/075 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
H01L 25/0753 (2013.01); G02F 1/133605 (2013.01); G02F 1/133603 (2013.01); H01L 33/60 (2013.01);
Abstract
A technology to suppress or prevent an uplift of a reflection sheet included in a direct type lighting unit is provided. A direct type backlight unit according to the present invention includes an LED board, an LEDarranged on a surface of the LED board, a reflection sheetarranged on the surface of the LED board. The reflection sheethas a through holethrough which the LEDis passed. The reflection sheetis arranged such that a partof a peripheryof the through holeis located between a light emitting surfaceof the LEDand the LED board