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.:

US 8388207 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 05, 2013

Filed:

Dec. 03, 2009
Applicants:

Makoto Kurihara, Chiba, JP;

Norihiro Dejima, Chiba, JP;

Inventors:

Makoto Kurihara, Chiba, JP;

Norihiro Dejima, Chiba, JP;

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

Provided is an illuminating device including a plurality of light sources. Micro prisms are provided in an opposed surface of a light guide plate. Each of the micro prisms is provided so that a reflective surface has a bottom side located at substantially 90 degrees with respect to an optical path of a beam from any one of the light sources. In a display device including a liquid crystal panel illuminated by the illuminating device, at least two micro prisms are provided in each area overlapped with aperture portions of the liquid crystal panel.


Find Patent Forward Citations

Kurihara, Makoto. (2013). Illuminating device and display device having the same (U.S. Patent No. 8388207). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8388207

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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