NOVEL ORGANOMETALLIC COMPLEXES WHICH EMIT IN THE RED TO GREEN SPECTRAL REGION AND THEIR USE IN OLEDS

摘要

The present invention is an organometallic complex having at least one ligand having a unit having a triplet energy of 22,000 cm ^-1 or more, a method for preparing the organometallic complex, a mixture comprising at least one organometallic complex of the present invention, the organometallic complex The use of the mixture in organic light-emitting diodes (the organometallic complex is preferably used as a luminous material), and specific nitrogen or phosphorus substituted triphenylene derivatives and methods for their preparation.