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:
Jul. 16, 2013

Filed:

Aug. 04, 2012
Applicants:

Heh-lung Huang, Taipei County, TW;

Teng-chih Chao, Pingjhen, TW;

Hao-chun Lee, Hsinchu, TW;

Inventors:

Heh-Lung Huang, Taipei County, TW;

Teng-Chih Chao, Pingjhen, TW;

Hao-Chun Lee, Hsinchu, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07D 241/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

A quinoxaline derivative represented by Formula (I) of or Formula (II) of is provided. In Formula (I) or (II), R, R, Rand Rare, independently, hydrogen, halogen, methyl, ethyl, propyl, butyl, aryl or heteroaryl, for example phenyl, furyl, thienyl, pyridyl, pyrimidyl, benzothiazolyl or benzoimidazolyl. The disclosure also provides an organic light-emitting diode including the quinoxaline derivative.


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