Abstract:
본 발명은 플루오렌카바졸계 유도체 및 이를 포함하는 유기전계발광소자에 관한 것으로서, 본 발명의 플루오렌카바졸계 유도체는 기존 물질에 비해 우수한 정공주입능을 나타내므로, 유기전계발광소자의 정공주입층 물질로 사용되어 유기전계발광소자의 구동전압, 발광효율 및 수명 특성을 현저히 개선시킬 수 있다.
Abstract:
본 발명은 신규한 질소 함유 헤테로환 유도체, 및 낮은 전압에서도 높은 발광 효율을 실현할 수 있는 상기 신규한 질소 함유 헤테로환 유도체를 포함한 유기 전계발광 소자에 관한 것이다. 질소 함유 헤테로환 유도체, 전자수송층(ETL), 유기 전계발광 소자
Abstract:
본 발명은 정공주입층/정공수송층 물질 및 이를 포함하는 유기전계발광소자에 관한 것으로서, 화학식 1로 표시되는 본 발명의 화합물은 기존 물질에 비해 우수한 정공주입능 및 정공수송능을 나타내므로, 유기전계발광소자의 정공주입층/정공수송층 물질로 사용되어 유기전계발광소자의 구동전압, 발광효율 및 수명 특성을 현저히 개선시킬 수 있다.
Abstract:
PURPOSE: A phenyl-fluorene derivative is provided to realize excellent hole transport ability, high the luminous efficiency and luminescent brightness, and long lifetime, thereby improving driving voltage, luminous efficiency and lifetime property of an organic electroluminescence device. CONSTITUTION: A phenyl-fluorene derivative has a structure represented by chemical formula 1. In chemical formula 1, R^1 and R^2 are independently hydrogen, C1-30 alkyl or cycloalkyl group containing or not containing at least one hetero atom selected from the group consisting of S, N, O, P and Si, C1-10 alkenyl, aryloxy or arylalkyl- substituted aryl group; an aryl group C1-10 alkenyl, aryloxy or arylalkyl substituted with containing or not containing at least one hetero waters.
Abstract:
PURPOSE: A novel heterocyclic derivative containing nitrogen is provided to ensure high electronic stability, high luminescent degree, and long lifetime. CONSTITUTION: A heterocyclic derivative containing nitrogen is denoted by chemical formula 1. In chemical formula 1, R is halogen atom, or substituted or non-substituted aliphatic hydrocarbon group. An organic electroluminescence device containing electron transport layer(ETL) with the heterocyclic derivative. The organic electroluminescence device comprises anode(hole injection electrode), hole injection layer, hole transport layer, light emitting layer, electron transport layer, electron injection layer, and anode(electron injection electrode).
Abstract:
PURPOSE: An organic electro luminescence device using pyrrole derivative is provided to remarkably improve driving voltage, luminescence efficiency and lifetime of the device. CONSTITUTION: A pyrrole derivative is denoted by chemical formula 1. An organic electro luminescence derive comprises anode, cathode, and plural organic compound layers between the anode and cathode. The organic compound layer contains the pyrrole derivative compound. The organic compound layer comprises hole-transport layer containing the compound of chemical formula 1.