A composition for an organic electroluminescent device is a composition for forming an organic light emitting layer of an organic electroluminescent device by wet coating process. The composition contains a phosphorescent material, a charge transport material, and a solvent, in which the phosphorescent material and the charge transport material are each an unpolymerized organic compound, and the first oxidation potential of the phosphorescent material ED+, the first reduction potential of the phosphorescent material ED-, the first oxidation potential of the charge transporting material ET+, and the first reduction potential of the charge transporting material ET- satisfy the following condition: ET-+0.1≤ED-
一种用于有机电致发光器件的组合物是一种用于通过湿涂层工艺形成有机电致发光器件的有机发光层的组合物。该组合物包含磷光材料、电荷传输材料和溶剂,其中磷光材料和电荷传输材料均为未聚合的有机化合物,磷光材料的第一氧化电位 ED+、磷光材料的第一还原电位 ED-、电荷传输材料的第一氧化电位 ET+、电荷传输材料的第一还原电位 ET- 满足以下条件:ET-+0.1≤ED-
ORGANIC COMPOUND, CHARGE TRANSPORT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE
申请人:Pioneer Corporation
公开号:EP1858094A1
公开(公告)日:2007-11-21
An organic compound is represented by following Formula (I) :
wherein Cz1 and Cz2 may be the same as or different from each other and each represent a carbazolyl group; Q1 and Q2 may be the same as or different from each other and each represent a direct bond or an arbitrary linkage group; and Cz1, Cz2, Q1, Q2, Ring B1 and Ring B2 may each be substituted. The organic compound and charge transporting material show both excellent hole transporting ability and excellent electron transporting ability and have satisfactory durability against electric oxidation/reduction and a high triplet excitation level. An organic electroluminescent device using the organic compound emits light with a high efficiency and is highly stably driven.
有机化合物由下式(I)表示:
其中 Cz1 和 Cz2 可以相同或不同,各自代表一个咔唑基团;Q1 和 Q2 可以相同或不同,各自代表一个直接键或任意连接基团;Cz1、Cz2、Q1、Q2、环 B1 和环 B2 可以各自被取代。该有机化合物和电荷传输材料同时显示出优异的空穴传输能力和优异的电子传输能力,并具有令人满意的抗电氧化/还原耐久性和高三重激发水平。使用该有机化合物的有机电致发光器件发光效率高,驱动高度稳定。
COMPOSITION FOR ORGANIC DEVICE, POLYMER MEMBRANE AND ORGANIC ELECTROLUMINESCENT DEVICE
申请人:Mitsubishi Chemical Corporation
公开号:EP2117062A1
公开(公告)日:2009-11-11
A composition for use in an organic device, useful in producing an organic device, such as an organic electroluminescent element, having high operation stability, is a composition for use in an organic device that contains at least two cross-linking compounds, at least two of the cross-linking compounds having different numbers of cross-linking groups. A polymer film produced by forming a film of the composition for use in an organic device and then polymerizing the cross-linking compounds. An organic electroluminescent element that includes an anode and a cathode on a substrate and at least one organic layer disposed between the anode and the cathode, wherein at least one of the at least one organic layer is a layer that is produced by forming a film of the composition for use in an organic device and then polymerizing the cross-linking compounds.
一种用于有机器件的组合物,可用于生产具有高操作稳定性的有机器件,如有机电致发光元件,它是一种用于有机器件的组合物,含有至少两种交联化合物,其中至少两种交联化合物具有不同数量的交联基团。一种聚合物薄膜,由用于有机设备的组合物形成薄膜,然后将交联化合物聚合而成。一种有机电致发光元件,包括基底上的阳极和阴极,以及设置在阳极和阴极之间的至少一个有机层,其中至少一个有机层是通过形成用于有机器件的组合物薄膜然后聚合交联化合物而产生的层。
ORGANIC ELECTROLUMINESCENT ELEMENT
申请人:FUJIFILM Corporation
公开号:EP2461390A1
公开(公告)日:2012-06-06
Provided is an organic electroluminescence device that can be driven at a low voltage, and has a high efficiency, excellent durability and a small change in chromaticity when driving at a high temperature. The organic electroluminescence device has a pair of electrodes disposed on a substrate and at least one organic layer including a light emitting layer disposed between the electrodes. The organic electroluminescence device contains a compound represented by the following Formula (1) in any one layer of the organic layers and a phosphorescence emitting material represented by the following Formula (C-1) in the light emitting layer.
(Cz)p-L-(A)q (1)
In Formula (1), Cz is a substituted or unsubstituted arylcarbazolyl group or a carbazolylaryl group, L is a single bond or a substituted or unsubstituted arylene group, a substituted or unsubstituted cycloalkylene group, or a substituted or unsubstituted aromatic heterocyclic ring, A is a substituted or unsubstituted nitrogen-containing six-membered aromatic heterocyclic ring, and each of p and q is independently an integer of 1 to 6.
In Formula (C-1), each of Q1, Q2, Q3 and Q4 independently represents a ligand which is coordinated to Pt. Each of L1, L2 and L3 independently represents a single bond or a divalent linking group.
本发明提供了一种有机电致发光器件,它可以在低电压下驱动,并且效率高、耐用性好,在高温下驱动时色度变化小。该有机电致发光器件具有一对设置在基板上的电极和至少一个设置在电极之间的包括发光层在内的有机层。有机电致发光器件在有机层的任意一层中含有下式(1)代表的化合物,在发光层中含有下式(C-1)代表的磷光发光材料。
(Cz)p-L-(A)q (1)
在式 (1) 中,Cz 是取代或未取代的芳基咔唑基团或咔唑芳基,L 是单键或取代或未取代的芳烯基团、取代或未取代的环亚烷基或取代或未取代的芳香杂环,A 是取代或未取代的含氮六元芳香杂环,p 和 q 中的每一个独立地为 1 至 6 的整数。
在式(C-1)中,Q1、Q2、Q3 和 Q4 各自独立地代表与铂配位的配体,L1、L2 和 L3 各自独立地代表单键或二价连接基团。
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