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.

Date of Patent:
Apr. 23, 2013

Filed:

Aug. 05, 2011
Applicants:

Meng-ting Lee, Taipei, TW;

Chang-yen Wu, Taipei, TW;

Chun-liang Lin, New Taipei, TW;

Chieh-wei Chen, Taichung, TW;

Inventors:

Meng-Ting Lee, Taipei, TW;

Chang-Yen Wu, Taipei, TW;

Chun-Liang Lin, New Taipei, TW;

Chieh-Wei Chen, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic electroluminescent light source including a first organic electroluminescent device and a second organic electroluminescent device is provided. The first organic electroluminescent device is coupled to a first bias voltage to emit a first color light having a color temperature ranging from 2800K to 3500K. The second organic electroluminescent device is coupled to a second bias voltage to emit a second color light. The first color light and the second color light mix to generate a third color light having a color temperature ranging from 3500K to 6500K.


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