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
3.97 Inch 4 Color E-paper Display
Size3.97 Inch
Outline Size(mm)56.24(H)x96.62 (V)
ColorBlack/White/Red/Yellow
View Area(mm)51.84(H)x86.40(V)
DPI235
Resolution(px)480(H)×800(V)
Interface SPI
Pixel (mm)0.108×0.108
Voltage3.0V
Driver ICSSD1677AZ8
Temperature0-50℃
SubstrateTFT
Weight(g)/
DKE Holding Company Limited
DKE was founded in 2005 and has dedicated continuously and diligently for over a decade to the E-paper market. Now we are a professional manufacturer and service provider of E-paper display technology products integrating R&D, design, production, and sales of many E-paper display modules. Now DKE is also one of the core enterprises of the global E-paper industry. DKE boasts four manufacturing bases in Jiaxing City, Zhejiang Province， Dalian City, Liaoning Province, and Vietnam， with a total number of employees of over one thousand.
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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