PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICE

• Main Authors: AHN, JI SOO, LIM, CHOON WOO, KWON, DAE RYUN, KIM, SEO RA
• Format: Patent
• Language: English; Korean
• Published: 10.11.2017
• Subjects: ADHESIVES; CHEMISTRY; DYES; ELECTRICITY; HETEROCYCLIC COMPOUNDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES

The present invention relates to a phosphorescent organic light emitting device. More specifically, the present invention relates to a phosphorescent organic light emitting device which can have high light emitting efficiency even at a low driving voltage by containing one or more than one selected from the group comprising 9-phenyl-3,6-bis(4,6-diphenyl-1,3,5-triazine-2-yl)-9H-carbazole, 2-(4,6-diphenyl-1,3,5-triazine-2-yl)-9,9-diphenyl-9H-fluorene, 2-(4,6-diphenyl-1,3,5-triazine-2-yl)-9,9-dimethylfluorene-2-boronic acid pinacol ester, 9-phenyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9H-carbazole, 9-phenyl-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9H-carbazole, and 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9,9-diphenyl-9H-fluorene in the organic light emitting layer as an organic light emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic light emitting layer disposed between the first and second electrodes. 본 발명은 인광 유기발광소자에 관한 것으로서, 보다 상세하게는 제 1 전극; 상기 제 1 전극과 마주보는 제 2 전극; 및 상기 제 1 및 제 2 전극 사이에 위치하는 유기발광층을 포함하는 유기발광다이오드로, 상기 유기발광층은 9-페닐-3,6-비스(4,6-디페닐-1,3,5-트리아진-2-일)-9H-카바졸, 2-(4,6-디페닐-1,3,5-트리아진-2-일)-9,9-디페닐-9H-플루오렌, 2-(4,6-디페닐-1,3,5-트리아진-2-일)-9,9-디메틸플루오렌-2-보로닉 에시드 피나콜 에스테르, 9-페닐-3-(4,4,5,5-테트라메틸-1,3,2-디옥사보로란-2-일)-9H-카바졸, 9-페닐-3,6-비스(4,4,5,5-테트라메틸-1,3,2-디옥사보로란-2-일)-9H-카바졸 및 2-(4,4,5,5-테트라메틸-1,3,2-디옥사보로란-2-일)-9,9-디페닐-9H-플루오렌으로 이루어진 군에서 선택된 1종 이상의 물질을 함유함으로써, 낮은 구동 전압에서도 높은 발광효율을 가질 수 있는 인광 유기발광소자에 관한 것이다.