Precise Measurement of External Quantum Efficiency of Organic Light-Emitting Devices

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概要

• 論文の詳細を見る

• We report on the direct measurement of the external quantum efficiency of electroluminescence of organic light-emitting devices with different emission colors and patterns using an integrating sphere and a highly sensitive charge-coupled device spectral analyzer. Using this direct-measurement method, precise external quantum efficiency can be obtained more easily and more quickly than using the conventional luminance-conversion method. This method is shown to be very useful for determining the external quantum efficiency of organic light-emitting devices.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2004-11-15

著者

• TANAKA Isao

  NHK Science and Technical Research Laboratories

• Tokita Shizuo

  NHK Science and Technical Research Laboratories, Kinuta, Setagaya-ku, Tokyo 157-8510, Japan

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