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. 02, 2014
Filed:
Mar. 24, 2011
DO Hwan Kim, Gwangju, KR;
Jeong Ho Ryu, Gyunggi-do, KR;
Sang Hyun Kim, Seoul, KR;
Chul Soo Yoon, Gyunggi-do, KR;
Do Hwan Kim, Gwangju, KR;
Jeong Ho Ryu, Gyunggi-do, KR;
Sang Hyun Kim, Seoul, KR;
Chul Soo Yoon, Gyunggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
A complex crystal phosphor is an inorganic composition containing at least an M element, an Al element, silicon, oxygen, and nitrogen. The inorganic composition has particles having at least two types of crystal phase, and the at least two types of crystal phase include a first crystal phase which is the same as a MSiOcrystal and a second crystal phase as a β-sialon crystal. Here, M is at least one element selected from the group consisting of (Mg), calcium (Ca), strontium (Sr), and barium (Ba).