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.

Date of Patent:
Jan. 16, 2007

Filed:

Apr. 06, 2004
Applicants:

Tetsu Shimizu, Nara, JP;

Motohiko Matsushita, Nara, JP;

Akihiro Funamoto, Nara, JP;

Shigeru Aoyama, Kyoto, JP;

Inventors:

Tetsu Shimizu, Nara, JP;

Motohiko Matsushita, Nara, JP;

Akihiro Funamoto, Nara, JP;

Shigeru Aoyama, Kyoto, JP;

Assignee:

Omron Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A front light and a reflective display using the same are provided. A light guide of the front light includes a plurality of patterns on the upper surface, each of the patterns including a first surface inclining relative to the light-emitting surface toward the light-entering surface, a second surface substantially perpendicular to the light-emitting surface or inclining relative to the light-emitting surface opposite to the light-entering surface, and a third surface inclining relative to the light-emitting surface toward the light-entering surface.


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