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:
Aug. 28, 2007
Filed:
Dec. 29, 2003
Yoon-heung Tak, Gumi-shi, KR;
Yoon-soo Han, Kyongsangbuk-do, KR;
Ki-dong Kim, Daejeon, KR;
Sang-dae Kim, Daegu, KR;
Yong-kwan Kim, Chungcheongbuk-do, KR;
Yoon-Heung Tak, Gumi-shi, KR;
Yoon-Soo Han, Kyongsangbuk-do, KR;
Ki-Dong Kim, Daejeon, KR;
Sang-Dae Kim, Daegu, KR;
Yong-Kwan Kim, Chungcheongbuk-do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
The present invention relates to red color emitting compounds for an organic electroluminescent device (OELD), particularly to red color emitting compounds represented by the following formula (1) having high luminescence efficiency and enhanced thermal-stability:R—CH═CH—X—CH═CH—R
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile