SPIRO COMPOUND WITH EXCELLENT LUMINESCENT BRIGHTNESS, COLOR PURITY, AND LIFETIME PROPERTIES AND AN ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME

摘要

PURPOSE: A spiro compound is provided to obtain an organic electroluminescent device useful for a display and a lamp due to excellent brightness, color purity, and lifetime properties.;CONSTITUTION: A spiro compound is represented by chemical formula 1. In chemical formula 1, R1-R5 are selected from the group consisting of hydrogen, deuterium, halogen, substituted or unsubstituted arylamino group, substituted or unsubstituted C3-40 aryloxy group, substituted or unsubstituted C6-40 aryl group, substituted or unsubstituted C3-40 heteroaryl group, substituted or unsubstituted germanium group, substituted or unsubstituted phosphorous, and substituted or unsubstituted boron; A is C or Si; L is substituted or unsubstituted C2 ethylene or ethenylene group; and Cy1 and Cy2 are 5-8 membered cyclic substituted or unsubstituted C6-40 aryl group, or substituted or unsubstituted C3-40 heteroaryl group.;COPYRIGHT KIPO 2012