Bright e-Paper by transport of ink through a white electrofluidic imaging film.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 23132023.
- Also identified by DOI 10.1038/ncomms2175.
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Abstract
Many of the highest performance approaches for electronic paper use voltage to reveal or hide dark pigments or dyes over a white pixel surface, and the reflectance of white pixels is lower than in real paper because the dark pigments or dyes can never be fully removed from the visible pixel area. Here, we introduce a re-designed approach for electronic paper that transposes coloured ink in front of or behind a white microfluidic film. Pixels can provide >90% reflective area and have demonstrated <15 ms switching for 150 pixels-per-inch resolution. This new approach is also the first of its kind for electrowetting-style displays by allowing non-aligned lamination fabrication, and is the first ever colourant-transposing pixel that eliminates the need for ink microencapsulation or pixel borders.