Electrochromic materials are the key to low-cost simple displays, according to Swedish firm Rdot Displays, which claims wide viewing angles and high contrast for its reflective technology. Mass-production of flexible displays is possible on plastic substrates without needing metal or ITO layers – by either sheet-to-sheet or roll-to-roll printing. The underlying technology involves organic materials ...

This story continues at Updated: Fully printed flexible display offers low power for simple IoT devices

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