Low-temp e-paper display suits dynamic labeling, signage in sub-zero conditions

April 13, 2018 // By Julien Happich
Pervasive Displays (PDi) has released a TFT active matrix Electronic Paper Display (EPD) module that provides a dynamic, easily-readable display of information down to freezing temperatures of -25°C.

The 2.13-inch E2213HS091 low-temperature, low-power, high-resolution display module comes with a built-in timing controller and other support circuitry to help designers speed up product development.

Its low-temperature operation, ultra-low power consumption, clarity, and ease-of-integration make it suitable for new signage, labeling, tagging and informational applications in public information, retail, healthcare, transportation, warehousing, laboratories, cold-chain logistics, and food packaging and storage. Typical application areas include electronic shelf labels (ESL), Internet of Things (IoT) devices, retail freezers, e-POP (point of purchase) and signage, electronic bulletins, and navigation.

The display uses TFT active matrix monochrome E Ink display panel technology for sharp Text and graphics. Thanks to its bi-stable nature, EPD module technology requires no power to maintain an image and very little power to update an image. Developers building applications around this new module can reduce their component costs and shorten their application development time, as features like the integrated chip-on-glass (CoG) timing controller and booster circuit reduce the need for external driving circuitry and cut down software development overhead. 

To ensure the best image quality, fastest display update speed, and greatest reliability, the timing controller's one time programmable (OTP) look up table holds driving waveforms, which control the series of electrical impulses that change the color of the e-paper display's pixels. PDi's stored driving waveforms also help to simplify programming, and to ensure the pre-tested waveforms are ideally tuned.

Pervasive Displays -  www.pervasivedisplays.com

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