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This work deals with the maximum achievable output flux of LED-projectors which is limited by physics. With the objective of increasing the output flux further, the illumination unit of LED-based projectors is enhanced systematically by improving existing technologies and developing new concepts.
Hochleistungs-LED --- Projektion --- luminance --- light recycling --- Leuchtdichte --- LED --- Projektor --- light-emitting diode --- projection --- micro-display
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In this work, printable organic tandem light emitting diodes for future cost-efficient, long-time stable and white light emitting devices are presented. The key to such multilayer devices is to develop charge carrier injection layers based on metal-oxides like WO3, MoO3, V2O5 and modified ZnO, which can be applied from precursors. Furthermore, these precursor-based approach enables the fabrication of OLED with inverted architecture as well as transparent light emitting diodes.
Charge Carrier injection --- Multischicht-OLED --- tandem-OLED --- multiphoton emission OLED --- Weißlicht --- Ladungsträger-Injektionorganic light emitting diode --- Organische Leuchtdiode --- white light emission --- Tandem-OLED
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