logo

For the Inventor, By the Inventor

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 9476565 B1

PDFFull Text
Expired
Date of Patent:
Oct. 25, 2016

Filed:

Jun. 12, 2013

Illuminating apparatus and method of producing lens sheet used therein

Applicant:

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

Inventors:

Koji Sakai, Fukuroi, JP;

Ryohei Takayama, Fukuroi, JP;

Assignee:

MINEBEA CO., LTD., Kitasaku-gu, JP;

Attorney:

Oliff PLC

Primary Examiner:

Jong-Suk (James) Lee

Assistant Examiner:

Mark Tsidulko

Int. Cl.
CPC ...
F21V 5/04 (2006.01); F21V 13/02 (2006.01); F21V 5/00 (2015.01); F21V 5/02 (2006.01); G02B 5/02 (2006.01); F21Y 101/02 (2006.01);
U.S. Cl.
CPC ...
F21V 5/045 (2013.01); F21V 5/007 (2013.01); F21V 5/02 (2013.01); F21V 13/02 (2013.01); G02B 5/0221 (2013.01); G02B 5/0278 (2013.01); G02B 5/0294 (2013.01); F21V 5/005 (2013.01); F21Y 2101/02 (2013.01);
Abstract

An illuminating apparatus includes: a light source, and a lens sheet arranged on an optical axis of the light source on which a plurality of prisms arranged in concentric circles centered on the optical axis of the light source are formed. A light diffusing part including a plurality of hemispherical light scattering elements is provided on the lens sheet, the light diffusing part includes light scattering elements whose shape is distorted due to influence of light scattering elements that are adjacent in at least one direction, and the plurality of light scattering elements is arranged in concentric circles centered on the optical axis of the light source.

Find Patent Forward Citations

Sakai, Koji. (2016). Illuminating apparatus and method of producing lens sheet used therein (U.S. Patent No. 9476565). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9476565

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

Loading…