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Color conversion film and multicolor-emitting, organic electroluminescent device comprising the color conversion film
Color conversion film and multicolor-emitting, organic electroluminescent device comprising the color conversion film
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机译:颜色转换膜和包括该颜色转换膜的多色发射有机电致发光器件
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摘要
A color conversion film is disclosed that absorbs light from an organic electroluminescent part emitting blue-green light and converts the light to visible light at a longer wavelength. The color conversion film includes two different dyes. A first dye is a polymer dye with an average molecular weight of 1000 to 1,000,000 that absorbs light incident on the color conversion film and transfers the energy of the light to a second dye. The second dye is a dye that receives the energy from the first dye and emits light. With a multicolor-emitting, organic electroluminescent device including the color conversion film, it is possible to achieve excellent conversion efficiency without increasing the thickness of the color conversion film as in a conventional device using a binder resin.
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