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. 11, 2005
Filed:
Oct. 27, 2003
Lung-chien Chen, Hsin-Chuang, TW;
Feng-ku Chien, Chung-Ho, TW;
Wen-how Lan, Taoyuan, TW;
Fen-ren Chien, Yung-Ho, TW;
Lung-Chien Chen, Hsin-Chuang, TW;
Feng-Ku Chien, Chung-Ho, TW;
Wen-How Lan, Taoyuan, TW;
Fen-Ren Chien, Yung-Ho, TW;
Formosa Epitaxy Incorporation, Taoyuan, TW;
Abstract
A white LED device includes a member, a plurality of LEDs, fixed on the member, the LEDS further comprising blue GaN LEDs, a reflector, in parabolic shape, to encase thed member and the plurality of LEDs, yellow phosphor, coated on the surface of the reflector facing the LEDs, and a supporting component, for connecting the member and the reflector in order to connect the LEDs, the member and the reflector together. The main feature of the present invention includes that the LEDs emit blue light when positively biased. The blue light triggers yellow phosphor to generate a yellow light, and the blue light mixed with the yellow light to become a white light. The white light is reflected by the reflector to project onto target objects.