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. 25, 2014
Filed:
Sep. 24, 2010
Applicants:
Hiroyuki Yoneyama, Kanagawa, JP;
Yasuyuki Sasada, Kanagawa, JP;
Yujiro Yanai, Kanagawa, JP;
Inventors:
Assignee:
Fujifilm Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133611 (2013.01); B32B 2457/202 (2013.01); G02F 1/133604 (2013.01); G02F 2001/133607 (2013.01);
Abstract
A surface light source unit includes, in the following order: a light source; a light collecting sheet having light collection portions on at least one side of the light collecting sheet; and a light transmissive substrate having a flat portion and recesses on at least one side of the light transmissive substrate.