Title :
RGB luminescence from passive-matrix organic LED´S
Author :
Kijima, Yasunori ; Asai, Nobutoshi ; Kishii, Noriyuki ; Tamura, Shin-ichiro
Author_Institution :
Res. Center, Sony Corp., Yokohama, Japan
fDate :
8/1/1997 12:00:00 AM
Abstract :
We fabricated an 8×9 (3RGB) passive matrix of organic light-emitting diodes (OLED´s) and operated it at a video-rate to simulate NTSC signals. The color purity of red emission was improved by controlling the depth distribution of DCM in the Alq3 layer. A newly synthesized binuclear metal complex compound was incorporated for blue emission and provided good chromaticity. We found that the rectification property of the OLED is important to drive a passive matrix and about 105 OLED pixels can be driven when aluminum is used as the cathode material
Keywords :
LED displays; electroluminescence; flat panel displays; light emitting diodes; organic compounds; rectification; 8×9 passive matrix; Al; Al cathode material; Alq3 layer; DCM depth distribution control; I-V characteristics; ITO; ITO anode; InSnO; NTSC signal simulation; RGB luminescence; Zn2(oxz)2Cl; binuclear metal complex compound; blue emission; chromaticity; color purity; passive-matrix organic LED; rectification property; red emission; self-luminous flat panel display; video-rate operation; Active matrix organic light emitting diodes; Cathodes; Flat panel displays; Indium tin oxide; Light emitting diodes; Luminescence; Organic light emitting diodes; Organic materials; Substrates; Surface morphology;
Journal_Title :
Electron Devices, IEEE Transactions on
