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:
Feb. 12, 2013
Filed:
Oct. 26, 2010
Kazutaka Hara, Ibaraki, JP;
Naoki Takahashi, Ibaraki, JP;
Kentarou Takeda, Ibaraki, JP;
Miki Shiraogawa, Ibaraki, JP;
Kazutaka Hara, Ibaraki, JP;
Naoki Takahashi, Ibaraki, JP;
Kentarou Takeda, Ibaraki, JP;
Miki Shiraogawa, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, JP;
Abstract
A light source comprising sidelight type backlight light guide plate (L), wherein a transmittance angle dependent layer (T) which transmits normally incident light and reflects obliquely incident light is disposed on one surface of the sidelight type backlight light guide plate (L), and a reflection plate (R) having a repetitive slope structure is disposed on the other surface of the sidelight type backlight light guide plate (L). The invention light source is less in absorption loss due to repetition of light reflection and the like.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile