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Electron beam patterning for high-resolution full-color OLED displays

: Bodenstein, Elisabeth; Vogel, Uwe

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UV + EB technology 4 (2018), Nr.4, S.23-26
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer FEP ()
OLED; microdisplay

Organic light-emitting diode (OLED) microdisplays are increasingly establishing themselves in consumer-ready wearables and data glasses. In order to meet the requirements for higher efficiency, higher contrast and higher resolutions in these applications, Fraunhofer FEP scientists have developed a new micropatterning approach for OLEDs on silicon substrates. This might eliminate the use of color filters and shadow masks in the future and allow full-color displays to be developed by means of a new process. An increase in efficiency and considerably broader color gamut already have been demonstrated in first experiments.