Bistable electrowetting displays

Karlheinz Blankenbach; Juergen Rawert

doi:10.1117/12.871039

3 February 2011 Bistable electrowetting displays

Karlheinz Blankenbach, Juergen Rawert

Proceedings Volume 7956, Advances in Display Technologies; and E-papers and Flexible Displays; 795609 (2011) https://doi.org/10.1117/12.871039
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

The electrowetting D³ technology ("Droplet-Driven-Displays") was invented by ADT. Those displays have features like bistability and highest reflectivity, which offer unique application options for real "No Power ("green") applications ranging from indicators to billboards. This paper describes the fundamentals of D³ EW displays (Passive Matrix, no Active Matrix needed) and system design incl. electronic driving using commercial ICs. We recently demonstrated all backlight modes (reflective, transflective and transmissive). Pixel size ranges from 0.5 to 10 mm and a wide temperature range is covered; color is realized by subtractive CMY stacks with printer-like gamut. The measurements of ambient light contrast ratio and color gamut clearly demonstrates the excellent performance of ADT's electrowetting displays for applications like "No Power" bistable LED indicator replacements and sunlight readable electronic billboards.

Citation Download Citation

Karlheinz Blankenbach and Juergen Rawert "Bistable electrowetting displays", Proc. SPIE 7956, Advances in Display Technologies; and E-papers and Flexible Displays, 795609 (3 February 2011); https://doi.org/10.1117/12.871039

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