COMPOUND HAVING TRIAZOLE RING STRUCTURE WITH PYRIDYL GROUP ATTACHED THERETO, AND ORGANIC ELECTROLUMINESCENT ELEMENT
申请人:Hodogaya Chemical Co., Ltd.
公开号:EP2380888A1
公开(公告)日:2011-10-26
A host compound for a light emitting layer, which is excellent in electron transporting capability and hole blocking capability, has a high triplet excitation level and is capable of completely confining triplet excitons of a phosphorescent material, is provided as a material for an organic electroluminescent device having a high efficiency, and an organic electroluminescent device having a high efficiency and a high luminance is provided by using this compound.
The compound having a triazole ring structure to which a pyridyl group substituted with a carbazolyl group is bonded, is represented by the following general formula (1), and the organic electroluminescent device containing a pair of electrodes and at least one organic layer sandwitched therebetween is characterized in that the compound, which is represented by the following general formula (1) and has a triazole ring structure to which a pyridyl group substituted with a carbazolyl group is bonded, is used as a constitutional material of at least one organic layer in the organic electroluminescent device.
本发明提供了一种用于发光层的主化合物,该化合物具有优异的电子传输能力和空穴阻断能力,具有较高的三重激发水平,能够完全限制磷光材料的三重激子,可作为具有高效率的有机电致发光器件的材料,通过使用该化合物可提供具有高效率和高亮度的有机电致发光器件。
该化合物具有三唑环结构,其上键合有被咔唑基取代的吡啶基,由以下通式(1)表示,该有机电致发光器件包含一对电极和至少一个夹在其间的有机层,其特征在于该化合物、该化合物由以下通式(1)表示,具有三唑环结构,其中键合有一个被咔唑基取代的吡啶基,用作有机电致发光装置中至少一个有机层的组成材料。