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.:

US 7294865 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 13, 2007

Filed:

Jul. 28, 2005
Applicant:

Cheng-chuan Chen, Tainan Hsien, TW;

Inventor:

Cheng-Chuan Chen, Tainan Hsien, TW;

Assignee:

Genesis Photonics Inc., Tainan Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light emitting device includes a die and a photostimulable luminescent substance. The die has a first semiconductor light-emitting layer emitting a first color light having a first wavelength range, and a second semiconductor light-emitting layer emitting a second color light having a second wavelength range different from the first wavelength range. The photostimulable luminescent substance is excitable by at least one of the first and second color lights to emit a third color light having a third wavelength range. The third color light is mixed with the first and second color lights to emit a light blend having a wavelength range covering the first, second, and third wavelength ranges.


Find Patent Forward Citations

Chen, Cheng-Chuan. (2007). Light emitting device and the use thereof (U.S. Patent No. 7294865). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7294865

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