Advanced Materials

Cover image for Vol. 28 Issue 6

20_10/2008Cover Picture: Embedding Organic Light-Emitting Diodes into Channel Waveguide Structures (Adv. Mater. 10/2008)

Cost-efficient production of optical lab-on-a-chip sensors requires the integration of a light source and a wave-guiding element onto a single chip. In their Communication on p. 1966, Klaus Meerholz and co-workers demonstrate that the organic light-emitting diode (OLED) technology favourably lends itself to this task. The cover shows a device with eleven parallel waveguides of different length, each of which has an OLED integrated into its core (Picture by A. Reckmann).

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