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Proceedings Paper

Bistable electrowetting displays
Author(s): Karlheinz Blankenbach; Juergen Rawert
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Paper 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.

Paper Details

Date Published: 3 February 2011
PDF: 15 pages
Proc. SPIE 7956, Advances in Display Technologies; and E-papers and Flexible Displays, 795609 (3 February 2011); doi: 10.1117/12.871039
Show Author Affiliations
Karlheinz Blankenbach, Pforzheim Univ. (Germany)
Juergen Rawert, Advanced Display Technology GmbH (Germany)

Published in SPIE Proceedings Vol. 7956:
Advances in Display Technologies; and E-papers and Flexible Displays
Karlheinz Blankenbach; Liang-Chy Chien; Sin-Doo Lee; Ming Hsien Wu, Editor(s)

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