4.2" E-PAPER

The 4.2-inch E-paper display is frequently applied to industrial control panels because of its advantages, such as low power consumption, wide viewing angles, able to maintain displayed content for extended periods without the need for a backlight. Plus clear visibility even in direct sunlight. 
The 4.2-inch size is suitable for various application fields, Optima Opto can provide users with more user-friendly and efficient display solutions.


  • Module size: 91x77 mm
  • Resolution: 400x300
  • Active Area: 84.8x63.6 mm
  • Interface: SPI
  • Display color: Black & Red & White



  • Industrial control panel
  • Smart home devices
  • Electronic shelf labels
  • Electronic billboard