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:
Mar. 12, 2013
Filed:
Dec. 16, 2008
Seok-hwan Hwang, Suwon-si, KR;
Young-kook Kim, Suwon-si, KR;
Yoon-hyun Kwak, Suwon-si, KR;
Jeoung-in Yi, Suwon-si, KR;
Seok-Hwan Hwang, Suwon-si, KR;
Young-Kook Kim, Suwon-si, KR;
Yoon-Hyun Kwak, Suwon-si, KR;
Jeoung-In Yi, Suwon-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A compound for use in an organic light emitting device is represented by The compound has excellent electrical properties and charge transporting characteristics, and is therefore useful as a material for a hole injection layer, a hole transport layer, and an emission layer of phosphorescent and fluorescent devices for emitting light of all colors, including red, green, blue, and white. Organic light emitting devices using the compounds have high efficiency, low driving voltages, and high brightness.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile