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:
May. 20, 2014

Filed:

Jul. 06, 2012
Applicants:

Ryohei Takayama, Kitasaku-gun, JP;

Masaki Asai, Kitasaku-gun, JP;

Koji Sakai, Kitasaku-gun, JP;

Inventors:

Ryohei Takayama, Kitasaku-gun, JP;

Masaki Asai, Kitasaku-gun, JP;

Koji Sakai, Kitasaku-gun, JP;

Assignee:

Minebea Co., Ltd., Kitasaku-gun, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An illuminating device has a light source that includes a plurality of light emitting devices and a phosphor; and a lens sheet that stays on an optical axis of the light source, the lens sheet having a plurality of prisms that is symmetrically arranged with respect to the optical axis of the light source. The plurality of prisms is configured at least on a surface of the lens sheet in which to face the light source, and a plurality of light scattering elements is configured at least on a surface of the lens sheet in which not to face the light source.


Find Patent Forward Citations

Takayama, Ryohei. (2014). Illuminating device (U.S. Patent No. 8727580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8727580

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

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