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:
Nov. 20, 2012
Filed:
Oct. 05, 2010
Yi-jung Chen, Tucheng, TW;
Chih-chieh Yang, Tucheng, TW;
Chin-chang Shen, Tucheng, TW;
Ru-shi Liu, Tucheng, TW;
Yi-Jung Chen, Tucheng, TW;
Chih-Chieh Yang, Tucheng, TW;
Chin-Chang Shen, Tucheng, TW;
Ru-Shi Liu, Tucheng, TW;
Everlight Electronics Co., Ltd., Tucheng, Taipei County, TW;
Abstract
A white-light emitting device and its preparation method are provided. The white-light emitting device comprises an ultraviolet (UV) light emitting diode (LED) chip, a first phosphor, and a second phosphor, wherein the UV LED chip generates a first radiation; the first phosphor is composed of Zn(CNH)powder and is excited by the first radiation to generate a second radiation; and the second phosphor is excited by the first radiation and/or the second radiation to generate a third radiation. The third radiation is then mixed with the first radiation and/or the second radiation to generate a white light.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile