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The technology of white organic light-emitting diodes (WOLEDs) is attracting growing interest due to their potential application in indoor lighting. Nevertheless the simultaneous achievement of high luminous efficacy (LE), high color rendering index (CRI), very low manufacturing costs and compatibility with flexible thin substrates is still a great challenge. Indeed, very high efficiency devices show...
A new approach to generate and manage white light from an organic light emitting diode is shown. It consists in the coupling of two microcavity resonators made of only metallic and organic layers, whose operation principle is analogous to that of two mechanical harmonic oscillators coupled by a spring (see figure). This approach allows the solution of key open points in the field of plastic white...
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