Fabrication of Red, Green, and Blue Organic Light-Emitting Diodes Using m-MTDATA as a Common Hole-Injection Layer
Fabrication of Red, Green, and Blue Organic Light-Emitting Diodes Using m-MTDATA as a Common Hole-Injection Layer
박진호(영남대학교); Jeongmoon Kim(Yeungnam University); Minchul Song(Yeungnam University); Jiyoun Seol(Yeungnam University); Hyunmin Hwang(Yeungnam University)
22권 4호, 643~647쪽
초록
Organic light-emitting diodes (OLEDs) of metal-semiconductor-metal (MSM) structure have been fabricated by using m-MTDATA [4,4',4''-tris (3-methylphenylphenylamino)triphenylamine] as a hole-injection layer (HIL). The m-MTDATA is shown to be an effective hole-injecting material for the OLED, in that the insertion of m-MTDATA greatly reduces the roughness of anode surface, lowers the turn-on voltage, and increases the luminous efficiency. Red, green and blue OLEDs were fabricated, and their color coordinates in CIE chromaticity were found to be (0.600, 0.389), (0.240, 0.525) and (0.171, 0.171), respectively. The luminous efficiencies of the fabricated OLEDs were 1.4 lm/W at 106 cd/m2 for red, 1.4 lm/W at 100 cd/m2 for green, and 2.0 lm/W at 104 cd/m2 for blue.
Abstract
Organic light-emitting diodes (OLEDs) of metal-semiconductor-metal (MSM) structure have been fabricated by using m-MTDATA [4,4',4''-tris (3-methylphenylphenylamino)triphenylamine] as a hole-injection layer (HIL). The m-MTDATA is shown to be an effective hole-injecting material for the OLED, in that the insertion of m-MTDATA greatly reduces the roughness of anode surface, lowers the turn-on voltage, and increases the luminous efficiency. Red, green and blue OLEDs were fabricated, and their color coordinates in CIE chromaticity were found to be (0.600, 0.389), (0.240, 0.525) and (0.171, 0.171), respectively. The luminous efficiencies of the fabricated OLEDs were 1.4 lm/W at 106 cd/m2 for red, 1.4 lm/W at 100 cd/m2 for green, and 2.0 lm/W at 104 cd/m2 for blue.
- 발행기관:
- 한국화학공학회
- 분류:
- 화학공학