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 8993130 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 31, 2015

Filed:

Dec. 17, 2012
Applicant:

Luminescence Technology Corporation, HsinChu, TW;

Inventors:

Feng-Wen Yen, Hsin-Chu, TW;

Cheng-Hao Chang, Hsin-Chu, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0057 (2013.01); H01L 51/0058 (2013.01); H01L 51/006 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); Y10S 428/917 (2013.01);
Abstract

The present invention discloses a novel organic compound is represented by the following formula(I), the organic EL device employing the organic compound as host material or dopant material of emitting layer and/or as electron transporting material can lower driving voltage, prolong half-lifetime and increase the efficiency. wherein m represent an integer of 0 to 10, n represent an integer of 0 to 2. X is a divalent bridge selected from the atom or group consisting from O, S, C(R), N(R), Si(R). Ar, Rto Rare substituents and the same definition as described in the present invention.


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