{"rewrite":{"id":"r_35bee5b80664793aedca32e7","clusterId":"c_8b5b3e0b672bdca44fc3ff71","slug":"e-ink-announces-kaleido-4-color-epaper-with-doubled-gamut-18fps-video","model":"deepseek-v4-1-flash","headline":"E Ink Announces Kaleido 4 Color ePaper With Doubled Gamut, 18fps Video","summary":"E Ink announced Kaleido 4 on October 15, 2026, a color e-paper platform with twice the color gamut volume and 50 percent improved contrast over the previous generation, plus 15 percent higher white reflectance. It supports video playback at up to 18fps. The first device to use it is Hanvon's M10C II e-note, which pairs a new front light with the T2000 timing controller. Japanese release and pricing are unknown.","whyItMatters":"Kaleido 4's video playback and doubled gamut move color e-paper past the document reading that Kaleido devices have served, and Hanvon's M10C II is the first hardware built to test that claim.","webCardHtml":"\u003cp\u003eThe M10C II carries a new front light and a battery-free pen with 8192 levels of pressure sensitivity. Hanvon says its own driving technology combined with the T2000 timing controller makes page turns and scrolling 27 percent faster. E Ink describes the panel as layering a color filter over black-and-white e-paper, with an oxide TFT substrate speeding refresh.\u003c/p\u003e\u003cp\u003eScreen graininess is reduced and the contrast gain is 50 percent, per E Ink. The company lists color PDFs, graphs and presentation materials as the content that benefits. Chemically strengthened glass with a finely processed surface is part of the build.\u003c/p\u003e","blueskyPost":"E Ink announced Kaleido 4: double the color gamut volume of the previous generation, 50% better contrast, video playback up to 18fps. First device is Hanvon's M10C II e-note. Japanese release and pricing unknown.","twitterPost":"E Ink announced Kaleido 4 on Oct 15: double the color gamut volume, 50% improved contrast, video up to 18fps. Hanvon's M10C II e-note is the first device with it. No Japanese release or price yet.","threadsPost":null,"newsletterBlurb":"E Ink announced Kaleido 4, its next color e-paper platform, with twice the color gamut volume, 50 percent better contrast and video playback up to 18fps. The first device is Hanvon's M10C II e-note, which E Ink says turns pages and scrolls 27 percent faster with the T2000 timing controller. Pricing and Japanese launch plans for Kaleido 4 devices are not yet known.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20261019-e-ink-kaleido-4/\",\"title\":\"E Ink announces Kaleido 4 color e-paper, color gamut doubled from previous generation and video playback up to 18fps\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4727,"outputTokens":642,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792402632,"createdAt":"2026-10-19T09:31:46.000Z","publishedAt":"2026-10-19T09:36:06.000Z","updatedAt":"2026-10-19T09:36:06.000Z"},"cluster":{"id":"c_8b5b3e0b672bdca44fc3ff71","canonicalTitle":"E Inkがカラー電子ペーパー「Kaleido 4」を発表、色域が前世代の2倍に広がり最大18fpsの動画再生にも対応","representativeArticleId":"a_a24f2ac81e73eff097323890","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"E Ink Kaleido 4\"],\"studios\":[\"E Ink\"],\"people\":[],\"type\":\"announcement\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-19T07:40:00.000Z","lastSeenAt":"2026-10-19T07:40:00.000Z","updatedAt":"2026-10-19T09:36:06.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20261019-e-ink-kaleido-4/","title":"E Inkがカラー電子ペーパー「Kaleido 4」を発表、色域が前世代の2倍に広がり最大18fpsの動画再生にも対応"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["E Ink Kaleido 4"],"studios":["E Ink"],"people":[],"type":"announcement","domain":"other","is_roundup":false},"keyFacts":null}