LIGHTING APPARATUS USING ORGANIC LIGHT EMITTING DIODE

• Main Authors: MOON JAE MIN, KWON JU HYUK, LEE JUNG HYOUNG, KIM TAE MIN, LEE SUN HEE
• Format: Patent
• Language: English; Korean
• Published: 30.06.2020
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The present invention relates to a lighting apparatus using an organic light emitting device and, more particularly, to a lighting apparatus using an organic light emitting device with increased luminous efficiency. According to the present invention, the lighting apparatus using an organic light emitting device comprises: a substrate; a first electrode disposed on the substrate; an organic layer disposed on the first electrode and including a plurality of phosphorescent layers; and a second electrode disposed on the organic layer. Among the plurality of phosphorescent layers, a phosphorescent layer having a high degree of horizontal orientation of a dopant is disposed adjacent to the second electrode, thereby increasing luminous efficiency of the lighting apparatus. 본 발명은 기판, 기판 상에 배치되는 제1 전극, 제1 전극 상에 배치되고, 복수의 인광 발광층을 포함하는 유기층 및 유기층 상에 배치되는 제2 전극을 포함하고, 복수의 인광 발광층 중 도펀트의 수평 배향도가 높은 인광 발광층이 제2 전극에 인접하게 배치되어 조명 장치의 발광 효율을 향상시킬 수 있다.