[EN] NOVEL ORGANIC ELECTROLUMINESCENT COMPOUND, AND MULTI-COMPONENT HOST MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME<br/>[FR] NOUVEAU COMPOSÉ ORGANIQUE ÉLECTROLUMINESCENT, MATÉRIAU HÔTE À PLUSIEURS CONSTITUANTS ET DISPOSITIF ORGANIQUE ÉLECTROLUMINESCENT LE COMPRENANT
申请人:ROHM & HAAS ELECT MAT
公开号:WO2015099507A1
公开(公告)日:2015-07-02
The present disclosure relates to an organic electroluminescent compound, and a multi-component host material and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has good luminous efficiency and can be used as a host for a light-emitting layer. By using the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device can have high color purity, low driving voltage, long lifespan, and improved current and power efficiencies.
[EN] HETEROCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE ELEMENT AND APPLICATION THEREFOR<br/>[FR] COMPOSÉ HÉTÉROCYCLIQUE POUR ÉLÉMENT À ÉLECTROLUMINESCENCE ORGANIQUE ET SON APPLICATION
[EN] MULTI-COMPONENT HOST MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME<br/>[FR] MATÉRIAU HÔTE À PLUSIEURS COMPOSANTS ET DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE LE COMPRENANT
申请人:ROHM & HAAS ELECT MAT
公开号:WO2015156587A1
公开(公告)日:2015-10-15
The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.
[EN] MULTI-COMPONENT HOST MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME<br/>[FR] MATÉRIAU HÔTE À CONSTITUANTS MULTIPLES ET DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE COMPRENANT LEDIT MATÉRIAU
申请人:ROHM & HAAS ELECT MAT
公开号:WO2015170882A1
公开(公告)日:2015-11-12
The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a bicarbazole derivative containing pyridine, and a second host compound is a carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, an organic electroluminescent device using the multi-component host compounds has high efficiency and long lifespan compared to a conventional device using one component of a host.
[EN] A PLURALITY OF HOST MATERIALS AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME<br/>[FR] PLURALITÉ DE MATÉRIAUX HÔTES ET DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE COMPRENANT CES MATÉRIAUX
申请人:ROHM & HAAS ELECT MAT
公开号:WO2016076629A1
公开(公告)日:2016-05-19
The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides high efficiency and long lifespan.