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:
Nov. 03, 2015
Filed:
Jun. 12, 2013
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Hideto Takeuchi, Osaka, JP;
Toshiyuki Fujita, Osaka, JP;
Tatsuo Sugahara, Osaka, JP;
Yuuki Kawamura, Osaka, JP;
Mamoru Yahata, Osaka, JP;
Hiroshi Takahashi, Osaka, JP;
Keita Ito, Osaka, JP;
Kenzo Toshiyuki, Osaka, JP;
Kenichiro Ito, Osaka, JP;
Kazuki Nakamichi, Osaka, JP;
Tomoo Sasaki, Osaka, JP;
Kenta Moribe, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
It is to provide a reflection sheet, light source device and display device, not only for uniforming the luminance of light emitted from a light source, but also for utilizing a single sheet material to form the reflection sheet having a frame portion that continues to all rims of a flat portion. The reflection sheet is provided with a flat portion that is formed in a substantially square shape, and a frame portion that is folded at a first fold formed on a rim of the flat portion. It is formed in a case shape. It is provided with three second folds divergent from a corner of the flat portion to a rim of a corner on the frame portion, between each corner of the flat portion and the rim of the corner on the frame portion. No gap and step are generated on the corner.