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:
Mar. 06, 2012
Filed:
Dec. 22, 2008
Applicants:
Hideki Sawada, Kyoto, JP;
Yasuhiro Nagao, Kyoto, JP;
Inventors:
Hideki Sawada, Kyoto, JP;
Yasuhiro Nagao, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An elongate light guide includes a light incident portion provided at an end in the longitudinal direction of the guide, a light reflecting portion extending in the longitudinal direction, a light emitting portion extending in the longitudinal direction for emitting linear light, and a scatterer for scattering the light entering through the light incident portion. For instance, the scatterer is provided as a grained portion formed at least part of the reflecting portion.