Organic compound and organic light emitting diode device including the same
申请人:Samsung Display Co., Ltd.
公开号:US09548456B2
公开(公告)日:2017-01-17
Disclosed are a novel organic compound and an organic light emitting diode device using the same. More particularly, a novel organic compound having electrical stability, high charge transport capability, and light emitting performance, high glass transition temperature and being capable of preventing crystallization, and an organic light emitting diode device including an organic layer including the same are disclosed.
Novel cyclopenta[def]phenanthrene based blue emitting oligomers for OLEDs
作者:Suhee Song、Youngeup Jin、Kwanghyun Kim、Sun Hee Kim、Yoon Bo Shim、Kwanghee Lee、Hongsuk Suh
DOI:10.1016/j.tetlet.2008.04.015
日期:2008.5
Novel blue emitters, oligo-MCPPs (tri-MCPP, tetra-MCPP, and penta-MCPP), have been synthesized and characterized. The introduction of cyclopenta[def]phenantbrene (CPP) units into the structure of oligo-MCPPs gave LEDs with high efficiency and pure blue emission. UV-visible absorption spectra of the thin films of these compounds appear at 333-354 nm, and their maximum PL emission at 416-447 nm. Multilayer organic EL devices with oligo-MCPPs as an emitting layer showed the turn-on voltage of about 4.8 V, the maximum brightness of 1076 cd/m(2) (at 8.2 V), the maximum luminescence efficiency of 0.81 cd/A, and the CIE coordinates of (0.17, 0.14) with blue color. (C) 2008 Elsevier Ltd. All rights reserved.