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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 9500326 B1

PDFFull Text
Date of Patent:
Nov. 22, 2016

Filed:

Mar. 29, 2014

Reduced-blue-light led lighting device, method of its manufacture, and led lighting method

Applicant:

Asahi Rubber Inc., Saitama-shi, Saitama, JP;

Inventor:

Takashi Kanahira, Saitama, JP;

Assignee:

ASAHI RUBBER INC., Saitama-shi, JP;

Attorney:

James Judge

Primary Examiner:

Karabi Guharay

Assistant Examiner:

Jessica M Apenteng

Int. Cl.
CPC ...
F21K 99/00 (2016.01); H01L 25/075 (2006.01); F21V 3/04 (2006.01); F21V 9/16 (2006.01); F21V 17/10 (2006.01); F21Y 101/02 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
F21K 9/56 (2013.01); H01L 25/0753 (2013.01); F21K 9/90 (2013.01); F21V 3/0463 (2013.01); F21V 9/16 (2013.01); F21V 17/104 (2013.01); F21Y 2101/02 (2013.01); H01L 33/504 (2013.01); H01L 2224/32245 (2013.01); H01L 2224/45144 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/73265 (2013.01);
Abstract

LED lighting device in which color-mixed light according to a mixture of a blue optical emission spectrum according to the emission from an LED element, a red optical emission spectrum according to the emission from a red phosphor, and a green optical emission spectrum according to the emission from a green phosphor is emitted, wherein in the spectrum for the emitted color-mixed light, letting the relative spectral area for the principal-wavelength peak of the blue optical emission spectrum be Aand the peak emission intensity be I, letting the relative spectral area of the green optical emission spectrum be Aand the peak emission intensity be I, and letting the relative spectral area of the red optical emission spectrum be Aand the peak emission intensity be I, then I<I, I<I, A≦A, A≦A, and A/(A+A)≦0.4.

Find Patent Forward Citations

Kanahira, Takashi. (2016). Reduced-blue-light led lighting device, method of its manufacture, and led lighting method (U.S. Patent No. 9500326). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9500326

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