[EN] ORGANIC LIGHT EMITTING DIODES AND METHODS OF USE THEREOF<br/>[FR] DIODES ÉLECTROLUMINESCENTES ORGANIQUES ET LEURS PROCÉDÉS D'UTILISATION
申请人:UNIV NORTH CAROLINA STATE
公开号:WO2019195383A1
公开(公告)日:2019-10-10
Disclosed herein are organic light emitting diode (OLED) devices and methods of use thereof. In one embodiment, an organic light emitting diode (OLED) device includes an emitting layer including: a host and an emitter, wherein the host exhibits triplet-triplet annihilation up-conversion, wherein the emitter has a band gap and exhibits triplet-triplet annihilation up-conversion, wherein the host and the emitter are different, and wherein the emitter has a concentration of 5% or more in the emitting layer.