Four particle ink system which incorporates retailer’s requests for additional color functionality, by utilizing black, white, red and yellow particles to offer vibrant color for rich content. Spectra 3100 has an improved update time, and an expanded temperature range for red and yellow states to satisfy retailers’ needs to operate ESL tags in various environments within their stores. In addition, Spectra 3100 is offered in panels with an updated all-in-one driver IC that supports premium ESLs with higher resolution across various sizes.
Four-color
4.2 Inch 4 Color E-paper Display
Size4.2 Inch
Exterior(mm)91 (H)×77 (V)
ColorBlack/White/Red/Yellow
Visual field(mm)84.8(H)×63.6 (V)
DPI120
Resolution(px)300(H)×400(V)
Connection type SPI
Pixel distance(mm)0.212×0.212
Working voltage 3.0V
ICSSD1683
Operation temperature0-50℃
Substrate Type Glass base
Weight(g)16.1±0.3
DKE 东方科脉
DKE成立于2005年，十多年来一直致力于电子纸市场。现已成为集研发、设计、生产为一体的电子纸显示技术产品的专业制造商和服务商。如今，DKE也是全球电子纸行业的核心企业之一，在浙江嘉兴、辽宁大连市和越南拥有四个生产基地，员工总数超过千人。
How e-paper works
| E-paper Series | Color |
| Black&White | Black,White |
| Tri-Color | Black, White, Red, |
| Four-Color | Black, White, Red, Yellow |
| N-Color | Black, White, Red, Yellow, Blue, Green, Orange |
| Flexible | Bendable, Thin and Robust |
| Segment | Customization Supported |
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