Companies show ITO-free, Printed Flexible OLED lighting, paving the way to low-cost large-size OLEDs

Agfa, Philips and the Holst Center are showing a large-area (12x12cm2) flexible OLED – without ITO as transparent electrode, and with printed shunting lines. This means that costly materials and lithography processes are not needed, and the OLEDs are much cheaper.

Up till now, ITO was needed as supporting layer for the PEDOT/PSS* anode layer with lower conductivity. Thanks to Agfa’s high-conductive transparent polymer OrgaconTM, a PEDOT/PSS-based solution with six orders better conductivity than its predecessor, the use of ITO can now be avoided. Proof is the latest OLED lighting demonstrator of Holst Centre’s shared programs: a homogeneous white OLED tile of 12x12cm2 without the use of ITO.

via Companies show ITO-free, Printed Flexible OLED lighting, paving the way to low-cost large-size OLEDs.

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