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:
Apr. 28, 2015
Filed:
Nov. 17, 2010
Yasumori Kuromizu, Osaka, JP;
Yasumori Kuromizu, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In order to improve brightness in a lighting device, a backlight unitincludes: LEDsas a light source; a light guide memberhaving end portions LE facing the LEDsand guiding light from the LEDsto a light output side; a pressing memberconfigured to press the light guide memberfrom the light output side; and a pair of reflection sheetsanddisposed so as to sandwich the end portions LE of the light guide memberthat face the LEDs. The pair of reflection sheetsandincludes the first reflection sheetsdisposed on the light output side with respect to the light guide member, and the second reflection sheetsdisposed on a side opposite to the light output side. The first reflection sheetsare fixed to the pressing member