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:
Aug. 30, 2011
Filed:
Dec. 29, 2008
Nitride red phosphors and white light emitting diode using rare-earth-co-doped nitride red phosphors
Joo-seok Park, Daejeon, KR;
Bo-yoon Jang, Daejeon, KR;
Soon-jae Yu, Kyeonggi-Do, KR;
Joon-soo Kim, Daejeon, KR;
Joo-Seok Park, Daejeon, KR;
Bo-Yoon Jang, Daejeon, KR;
Soon-Jae Yu, Kyeonggi-Do, KR;
Joon-Soo Kim, Daejeon, KR;
Korea Institute of Energy Research, Daejeon, KR;
Abstract
Disclosed are nitride red phosphors and white light emitting diodes using the same. More particularly, the present invention provides a nitride red phosphor with easily controlled composition of phosphor fraction and improved uniformity and color gamut thereof, a method for preparation thereof, a white light emitting diode with excellent color rendition and high light emitting efficiency, and a white light emitting diode package using the same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile