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.:
Date of Patent:
Sep. 08, 2015
Filed:
Feb. 11, 2011
Applicants:
Chang Bun Yoon, Gyunggi-do, KR;
Hyong Sik Won, Gyunggi-do, KR;
Chul Soo Yoon, Gyunggi-do, KR;
Inventors:
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/79 (2006.01); C09K 11/80 (2006.01); C09K 11/77 (2006.01); C04B 35/597 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7734 (2013.01); C04B 35/597 (2013.01); C09K 11/0883 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3213 (2013.01); C04B 2235/3215 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3865 (2013.01); C04B 2235/3873 (2013.01); C04B 2235/442 (2013.01);
Abstract
There is provided a phosphor having a β-type SiNcrystal structure including oxynitride expressed by an empirical formula SiAlON:Eu,M, M being at least one selected from among strontium (Sr) and barium (Ba), an amount (a) of europium (Eu) ranging from 0.1 to 5 mol %, an amount (b) of M ranging from 0.1 to 10 mol %, and a composition rate (z) of aluminum (Al) satisfying 0.1<z<1, and the phosphor emitting light having a peak wavelength ranging from 500 to 550 nm when excitation light is irradiated thereto.