发明申请
US20060110622A1 Organic electroluminescent device 审中-公开
有机电致发光器件

Organic electroluminescent device
摘要:
A phosphorescent device with high brightness and a long usable life including at least an emitting layer situated between a pair of electrodes and at least one hole blocking layer in direct contact with the emitting layer, wherein the phosphorescent device employs as the hole blocking layer, a compound which can be used as a blue luminescent host material.
信息查询
0/0