Birch, Stewart, Kolasch & Birch, LLP
Organic light-emitting device
The present application provides a hetero-cyclic compound capable of greatly enhancing a lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.
LT MATERIALS CO, LTD.
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Dae Hyuk Gi Back Yun Ji Jin Seok Won Jang Hyun Ju
Choi Lee Lee Choi Jeong La