Organic electroluminescent compound and organic electroluminescent device
An electroluminescence and compound technology, applied in the field of organic electroluminescence devices, can solve the problems of poor thermal stability, short lifespan of organic light-emitting devices, and reduced use degree, and achieves improved film-forming properties, high thermal and chemical stability, and prevention of crystallization Effect
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[0029] Example implementations will now be described more fully with reference to examples. Example embodiments, however, can be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
[0030] In an embodiment of the present invention, an organic electroluminescent compound and an organic electroluminescent device having the same are provided, the compound having the structure shown in formula I:
[0031]
[0032] where L 1 is a direct bond, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C3-C30 heteroaryl group;
[0033] Z 1 -Z 4 One of them is N, and the rest are CH or C;
[0034] X is O or S.
[0035] Preferred L 1 Selected from direct bond, phenyl, naphthyl, pyridyl, quinolyl, biphenyl, fluorenyl, dibenzo...
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