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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 11203713 B1

PDFFull Text
Date of Patent:
Dec. 21, 2021

Filed:

Mar. 02, 2020

Phosphor, light-emitting device, image display device, and illumination device

Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Shiho Takashina, Chiyoda-ku, JP;

Masahito Isaka, Chiyoda-ku, JP;

Atsushi Oishi, Chiyoda-ku, JP;

Naoyuki Komuro, Chiyoda-ku, JP;

Ryuichi Hasegawa, Chiyoda-ku, JP;

Assignee:

MITSUBISHI CHEMICAL CORPORATION, Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

C Melissa Koslow

Int. Cl.
CPC ...
C09K 11/77 (2006.01); C09K 11/08 (2006.01); G02F 1/13357 (2006.01); H01L 33/50 (2010.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7734 (2013.01); C09K 11/0883 (2013.01); C09K 11/77348 (2021.01); G02F 1/1336 (2013.01); H01L 33/504 (2013.01); G02F 1/133614 (2021.01);
Abstract

Provided is a phosphor that includes a crystal phase represented by the following Formula [1] and has a microstrain of 0.049% or less as calculated by the Halder-Wagner method: EuSiAlON[1] (wherein, a, b, c, d, and e represent values satisfying the following respective ranges: 0<a≤0.2, 5.6<b≤5.994, 0.006≤c<0.4, b+c=6, 0.006≤d<0.4, and 7.6<e≤7.994).

Find Patent Forward Citations

Takashina, Shiho. (2021). Phosphor, light-emitting device, image display device, and illumination device (U.S. Patent No. 11203713). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11203713

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

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