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:
Dec. 15, 2009
Filed:
Jul. 05, 2007
Teng-ming Chen, Hsinchu, TW;
Yi-chen Chiu, Hsinchu, TW;
Shian-jy Wang, Hsinchu, TW;
Yao-tsung Yeh, Taoyuan County, TW;
Shyue-ming Jang, Hsinchu, TW;
Teng-Ming Chen, Hsinchu, TW;
Yi-Chen Chiu, Hsinchu, TW;
Shian-Jy Wang, Hsinchu, TW;
Yao-Tsung Yeh, Taoyuan County, TW;
Shyue-Ming Jang, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
The invention provides a red phosphor composed of M(EuLaBi)SiO, wherein M is Ca, Sr, Ba, or combinations thereof, 0<x<1, and 0<y<1. Under excitation of blue light or ultraviolet light, the red phosphor emits red light having a major emission peak of about 613 nm. The red phosphor of the invention may be collocated with green and blue phosphors to provide a white light illumination device.