Some four decades after the discovery of (semi)conductive polymers, three devices based on these materials have reached a high level of technological maturity: the organic LED, the organic solar cell and the organic field-effect transistor. At the same time there exists a large number of 'niche devices' at different levels of maturity, aiming for new or enhanced functionality. Many of these are hybrid devices where the aim is to combine attractive properties of organic semiconductors with those of inorganics, ferroelectrics, ions etc. In this seminar, I will touch upon a number of such devices on which we worked in our lab. Prospects and limitations will be shortly addressed.

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