摘要 |
<P>PROBLEM TO BE SOLVED: To enhance the light abstraction efficiency of an organic light emitting diode device. <P>SOLUTION: This high light abstraction type organic light emitting diode (OLED) device comprises (a) a transparent substrate, (b) a light scattering layer arranged on the first surface of the transparent substrate, (c) a transparent first electrode layer arranged on the light scattering layer, (d) an organic EL element arranged on the transparent first electrode layer and the organic EL element having one or not less than two organic layers including at least one layer of light emitting layers to generate light, and (e) a transparent second electrode layer arranged on the organic EL element. <P>COPYRIGHT: (C)2004,JPO |