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Layer cross-faded and mixed emission layers


Light emission in OLED is generally located at organic/organic interfaces as a result of energetic barriers between the materials. It is favorable to broaden the recombination and emission zone to achieve higher luminous efficacies. Layer cross-faded and mixed emission layers offer this possibility and furthermore have advantages which increase the luminous power efficacy of OLED considerably.

Organik_RLCF002.jpg

Lindla, F., et al., Mat.. Res. Soc. Symp.. Proc. (2009) 1154

Fig.: Example for layer cross-fading of emissive layers in a monochrome OLED


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