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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 10497840 B1

PDFFull Text
Date of Patent:
Dec. 03, 2019

Filed:

Oct. 25, 2017

Wavelength-converting film and light emitting device and display device using the same

Applicant:

Lextar Electronics Corporation, Hsinchu, TW;

Inventors:

Ching-Yi Chen, New Taipei, TW;

Wen-Wan Tai, Kaohsiung, TW;

Yu-Chun Lee, Zhubei, TW;

Tzong-Liang Tsai, Taichung, TW;

Assignee:

LEXTAR ELECTRONICS CORPORATION, Hsinchu, TW;

Attorney:

McClure, Qualey & Rodack, LLP

Primary Examiner:

Jae Lee

Int. Cl.
CPC ...
H01L 33/50 (2010.01); F21V 9/30 (2018.01); C09K 11/72 (2006.01); C09K 11/77 (2006.01); H01L 33/00 (2010.01); H01L 33/56 (2010.01); F21K 9/64 (2016.01); F21Y 115/10 (2016.01); H01L 25/075 (2006.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); C09K 11/727 (2013.01); C09K 11/7774 (2013.01); F21V 9/30 (2018.02); H01L 33/0095 (2013.01); H01L 33/507 (2013.01); H01L 33/56 (2013.01); F21K 9/64 (2016.08); F21Y 2115/10 (2016.08); H01L 25/0753 (2013.01); H01L 2224/32225 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48227 (2013.01); H01L 2224/73265 (2013.01); H01L 2924/12041 (2013.01);
Abstract

A wavelength-converting film and a light emitting device and a display device using the same are disclosed. The wavelength converting film comprises a fluoride phosphor powder with a Mnas an activator, wherein the fluoride phosphor powder with the Mnas the activator comprises a sheet-like crystal and has a chemical formula of A[MF]:Mn, wherein A is Li, Na, K, Rb, Cs, NH, or a combination thereof, and M is Ge, Si, Sn, Ti, Zr, or a combination thereof.

Find Patent Forward Citations

Chen, Ching-Yi. (2019). Wavelength-converting film and light emitting device and display device using the same (U.S. Patent No. 10497840). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10497840

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