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:
Jul. 02, 2013

Filed:

Jun. 15, 2010
Applicant:

Osamu Iwasaki, Shizuoka, JP;

Inventor:

Osamu Iwasaki, Shizuoka, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light guide plate comprises: a rectangular light exit plane and at least one light entrance plane in contact with the light exit plane, wherein the light guide plate comprises three or more structural layers disposed on each other in a direction normal to the light exit plane, each structural layer containing scattering particles dispersed therein, the structural layers having different particle densities of scattering particles.


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