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:
Nov. 15, 2011
Filed:
Nov. 10, 2008
Seok-hwan Hwang, Suwon-si, KR;
Young-kook Kim, Suwon-si, KR;
Yoon-hyun Kwak, Suwon-si, KR;
Hee-joo Ko, Suwon-si, KR;
Seok-Hwan Hwang, Suwon-si, KR;
Young-Kook Kim, Suwon-si, KR;
Yoon-Hyun Kwak, Suwon-si, KR;
Hee-Joo Ko, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Giheung-Gu, Yongin, Gyunggi-Do, KR;
Abstract
Provided is a heterocyclic compound represented by Formula I: wherein Aris a linking group and a C6-C16 arylene or heteroarylene group; Arand Arare each independently a C6-C20 aryl group, a C4-C20 heteroaryl group or a C6-C20 fused polycyclic group; Aris a C6-C20 aryl group, a C6-C20 aryloxy group, a C4-C20 heteroaryl group or a C6-C20 fused polycyclic group; and Arand Ar, or Arand Armay be connected to each other to form a ring. The heterocyclic compound has high electrical stability and excellent charge transporting capability, and thus can be efficiently used as a material for forming at least one of a hole injecting layer, a hole transporting layer and an emitting layer suitable for fluorescent and phosphorescent devices realizing all colors including red, green, blue and white.