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:
Jan. 20, 2009
Filed:
Jun. 17, 2005
Chih-chin Chang, Hsinchu, TW;
Hsiang-cheng Hsieh, Taoyuan County, TW;
Teng-huei Huang, Hsinchu County, TW;
Chih-Chin Chang, Hsinchu, TW;
Hsiang-Cheng Hsieh, Taoyuan County, TW;
Teng-Huei Huang, Hsinchu County, TW;
LightHouse Technology Co., Ltd., Hsinchu County, TW;
Abstract
An LED package structure including a carrier, an LED chip, an encapsulant and a PL material is provided, wherein the LED chip is disposed on the carrier for emitting light. The encapsulant encapsulates the LED chip. The PL material is distributed in the encapsulant. The PL material is suitable for being excited by the light emitted from the LED chip and scattering the light. Moreover, the present invention provides a novel PL material with a molecular formula of WMo(Y,Ce,Tb,Gd,Sc)(Al,Ga,Tl,In,B)(O,S,Se): Ce, Tb, wherein 0<t<5 and 0<m, n, u, v<15.