The brand new show tech affords improved colour copy and refresh charges.
E Ink has announced the most recent model of its Kaleido colour e-paper expertise, introducing enhancements that might be the promoting level of future e-readers and writing tablets. The corporate’s new Kaleido 4 show is meant to have the ability to produce a wider vary of colours, whereas bettering issues like refresh fee, a standard downside with e-paper screens.
Kaleido 4 “doubles the colour gamut quantity” so it may possibly produce over 40,000 colours, in response to E Ink, whereas growing “white reflectance” and distinction. The corporate additionally claims that the refresh fee enhancements launched with Kaleido 4 imply it may possibly show video content material at 18 fps. That sounds ridiculous when in comparison with the 120Hz OLED display you may have already got in your smartphone, however for the usually gradual refresh charges of e-paper, it is significant.
As a result of E Ink’s screens are utilized by a number of the greatest names in e-readers, like Amazon, Kobo and Boox, the enhancements supplied by Kaleido 4 might imply your subsequent e-reader may have extra correct colour photographs, with out compromising as a lot on the readability of black and white textual content. The relative fuzziness of textual content on older Kaleido 3 shows is considered one of their drawbacks, and why some companies use Gallery 3, considered one of E Ink’s different colour e-paper applied sciences. Kaleido shows apply a colour filter to the black and white pigments that transfer round to type textual content and pictures on a conventional e-paper panel. E Ink’s Gallery shows use coloured pigments, which produce richer photographs and textual content, however take longer to refresh.
E Ink says the addition of an oxide backplate to its show stack improves refresh charges on the Kaleido 4, an analogous modification Amazon stated it made to the Kaleido screens used within the unique Kindle Colorsoft. We’ll have to check the brand new tech alongside older Kaleido shows to see how large of a distinction E Ink’s enhancements have made, however for now, Kaleido 4 is just formally being utilized in one system: Hanvon Know-how’s M10 C II. The e-paper pill is just obtainable in China and ships with a Kaleido 4 display, a redesigned entrance gentle and micro-etched glass that gives a extra paper-like really feel if you write on it.
