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:
Jun. 23, 2009
Filed:
Jan. 05, 2006
Byung-hee Sohn, Yongin-si, KR;
Woon-jung Paek, Yongin-si, KR;
In-nam Kang, Ansan-si, KR;
Samsung Mobile Display Co., Ltd., Yongin, Gyunggi-Do, KR;
Abstract
A blue-emitting polymer in which a bisindenospirofluorene unit is incorporated in a polyarylene polymer backbone, and an organic EL device using the blue-emitting polymer as a light-emitting material. One example of the blue-emitting polymer may be represented by Formula 1: where Ar, Rthrough R, Xand X, M and n are defined in the specification. The organic EL device exhibits excellent emission efficiency, low turn-on voltage, good color stability and color purity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile