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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 8853937 B1

PDFFull Text
Date of Patent:
Oct. 07, 2014

Filed:

Aug. 17, 2012

Wavelength conversion structure, manufacturing method thereof, and light-emitting device comprising the wavelength conversion structure

Applicants:

Min-hsun Hsieh, Hsinchu, TW;

Steve Meng-yuan Hong, Hsinchu, TW;

Yi-jui Huang, Hsinchu, TW;

Ming-chi Hsu, Hsinchu, TW;

Inventors:

Min-Hsun Hsieh, Hsinchu, TW;

Steve Meng-Yuan Hong, Hsinchu, TW;

Yi-Jui Huang, Hsinchu, TW;

Ming-Chi Hsu, Hsinchu, TW;

Assignee:

Epistar Corporation, Hsinchu, TW;

Attorney:

Ditthavong & Steiner, P.C.

Primary Examiner:

Thomas A Hollweg

Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01J 63/04 (2006.01); B32B 9/04 (2006.01); H05B 33/10 (2006.01); B32B 5/16 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
B32B 5/16 (2013.01); H01L 2933/0041 (2013.01); B32B 9/04 (2013.01); H01L 33/508 (2013.01); H05B 33/10 (2013.01);
Abstract

A wavelength conversion structure comprises a first phosphor layer and a second phosphor layer formed on the first phosphor layer, wherein the first phosphor layer comprises a plurality of first phosphor particles, and the second phosphor layer comprises a plurality of second phosphor particles. The average particle size of the second phosphor particles is not equal to that of the first phosphor particles.

Find Patent Forward Citations

Hsieh, Min-Hsun. (2014). Wavelength conversion structure, manufacturing method thereof, and light-emitting device comprising the wavelength conversion structure (U.S. Patent No. 8853937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8853937

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

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