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:
Jun. 26, 2018
Filed:
Jan. 30, 2014
Applicant:
Sakai Display Products Corporation, Sakai-shi, Osaka, JP;
Inventor:
Daisuke Teragawa, Sakai, JP;
Assignee:
Sakai Display Products Corporation, Sakai-shi, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0088 (2013.01); G02F 1/133308 (2013.01); G02F 1/133615 (2013.01); G02F 2001/13332 (2013.01); G02F 2001/133314 (2013.01);
Abstract
A light source device comprising a light guide platereceiving light from a light source through a side surface and emitting the light through one main surface; a reflection sheetlayered on another main surface of the light guide plate; and a housing having a back plateprovided with a recessed channel for reinforcement and housing the light guide plateand the reflection sheet, further comprises a support member (spacer) arranged in the recessed channel and partially supporting the reflection sheetat the opening position of the recessed channel.