ePaper Applications

Flexible OTFT backplanes for curved ePaper displays

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Flexible ePaper displays on plastic

ePaper displays, also known as EPD (Electronic Paper Displays), offer a low cost, low power display solution across diverse applications – from eReaders and wearables to price labels and digital signage. ePaper displays are reflective just like paper and can be read easily in bright outdoor conditions. They also consume no power when displaying an image – energy is only consumed to change the image.

Pixels in displays require transistors to switch them on and off.

FlexEnable’s FlexiOM™ organic transistor materials and backplane technology are used today to manufacture ePaper displays that are robust, thin, light and flexible. This unique ability to conform around tight curves unlocks new form factors and entirely new product categories not possible with rigid, silicon-based displays. Organic-thin film transistors’ inherent flexibility and robustness offers enhanced durability for mass market applications such as consumer products and digital signage.

DKE FLEX OTFT E-paper Displays

FlexEnable’s low-temperature manufacturing process makes organic-thin film transistors (OTFT) suitable for driving all types of EPD frontplanes, including foldable ePaper displays for consumer electronics and large area colour flexible displays for digital signage. The OTFT backplanes are produced at our manufacturing partners, and the final flexible EPD display modules, branded DKE FLEX, are made and sold by DKE.

The first product in the new portfolio – the 3.9” OTFT-driven ePaper display – is on the market, based on the technology featured in a consumer device where the screen uniquely wraps around a 180-degree bend.

With flexible colour and large-size OTFT ePaper solutions in development, DKE FLEX addresses the needs of product designers and OEMs who are continually pushing the boundaries of form factor and functionality.

Key advantages of DKE FLEX:

  • 3x more rugged than a-Si transistors
  • Tight radius bend to <2mm for wrap-around and edge displays
  • Dynamic bending/folding
  • Daylight readable
  • Low power (consumes power only when the image is changed)
  • Commercially proven in a consumer product
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