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:
Oct. 05, 2004
Filed:
Oct. 14, 2002
Fluorene compound, polymers thereof having a polyphenylene group, and el element comprising the same
Applicant:
Inventors:
Hyun-Nam Cho, Seoul, KR;
Sung Hyun Jung, Seoul, KR;
Sang Won Son, Jeonju, KR;
Jong Bok Kim, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/300 ; C08G 6/300 ;
U.S. Cl.
CPC ...
H05B 3/300 ; C08G 6/300 ;
Abstract
A fluorene compound and polymers thereof having a polyphenylene group, and EL element comprising the same, which can be prepared through a Diels-Alder reaction of a compound having one or more cyclopentadienone group and a compound having one or more acetylene group and can be used as a core material for organic and polymeric EL element and/or other optical devices.