An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:
[EN] BRIDGED BENZIMIDAZOLE-CARBENE COMPLEXES AND USE THEREOF IN OLEDS<br/>[FR] COMPLEXES BENZIMIDAZOLE-CARBÈNE PONTÉS ET LEUR UTILISATION DANS LES DELO
申请人:BASF SE
公开号:WO2012020327A1
公开(公告)日:2012-02-16
The present invention concerns a metal-carbene complex of the general formula (I) in which R5 and R6 together, or R6 and R7 together, a unit of the formula: in which * denotes the connection to the carbon atoms of the benzene ring bearing the R5 and R6 radicals or R6 and R7 radicals, and the oxygen atom is connected to the carbon atom bearing the R5, R6 or R7 radical, and A is oxygen or sulfur. The present invention further concerns light-emitting layer comprising at least one metal-carbene complex according to the present invention and an organic light-emitting diode comprising a light-emitting layer according to the present invention, a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination means and the use of a metal-carbene complex according to the present invention in organic light-emitting diodes, especially as emitter, matrix material, charge carrier material and charge blocker material.
[EN] LUMINESCENT DIAZABENZIMIDAZOLE CARBENE METAL COMPLEXES<br/>[FR] COMPLEXES DIAZABENZIMIDAZOLE CARBÈNE-MÉTAL LUMINESCENTS
申请人:BASF SE
公开号:WO2015014835A1
公开(公告)日:2015-02-05
The present invention relates to metal-carbene complexes of the general formula (I), where variable M is Ir or Pt and that are characterized by variable R being a group of formula (a). The complexes are used in organic electronic devices, especially OLEDs (Organic Light-Emitting Diodes), illuminating elements, stationary visual display units and in material layers as emitter, charge transport material and/or charge or exiton blocker.
POLYCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME
申请人:SAMSUNG DISPLAY CO., LTD.
公开号:US20180123057A1
公开(公告)日:2018-05-03
Disclosed are a polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an embodiment is represented by the following Formula 1,