Holland & Knight LLP
Organic electroluminescent device
Disclosed is an organic electroluminescent device including a substrate, a first and second electrodes, and a light-emitting layer formed between the first electrode and the second electrode, and a hole-blocking layer formed between the light-emitting layer and the second electrode and using a material of a chemical formula 1.In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, halogen, and hydrogen.
LG Display Co., Ltd.
H H C H H C H H H Y H H C H
H01L H01L C09B H01L H01L C09B H01L H01L H01L Y10S H01L H01L C09B H01L
additional additional inventional additional additional inventional inventional additional additional additional additional additional inventional inventional
Myung Seop Jeong Dae Kyung Hoon Hee Jung Chun Gun Hyoung Yun
Kim Seo Lee Kim Park Oh