Organic Multifunction Diodes Operable for Emission and Photodetection Modes

概要

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We have proposed multifunction diodes (MFDs) with both emission and photodetection functions. The basic structure is similar to a conventional organic light emitting diode. To fabricate MFDs, a special organic material of pyrazoline derivative was used. For organic light emitting operation, the highest luminance was 9,270 cd/m2 under forward bias condition. For organic photodiode operation, the photocurrent density was 71 μA/cm2 and the photoconductivity to dark conductivity was $10^{4}$ under reverse bias condition and xenon lamp irradiation. A prototype $4\times 4$ matrix was demonstrated and we achieved a clear emission pattern of the organic light-emitting diodes and also a clear photodetection of organic photodiode.
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2006-04-30