How did FlexEnable enable a credit card-sized e-paper with 180-degree bend?

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FlexEnable Achieves 180-Degree Bend in Credit Card-Sized E-Paper Display Through Organic Transistor Technology

FlexEnable has successfully enabled a 180-degree bend in the E Ink display of the Ledger Stax, a credit card-sized crypto wallet. This significant achievement was made possible by FlexEnable's proprietary organic thin-film-transistors (OTFTs), which are manufactured directly onto plastic sheets. The use of these flexible OTFTs, which are made from polymers instead of traditional silicon, allows for displays that are substantially thinner and lighter than conventional glass-based screens, paving the way for unprecedented display form factors in consumer electronics.
Organic Thin-Film-Transistors Enable Extreme Flexibility

The core of FlexEnable's innovation lies in its organic thin-film-transistors (OTFTs). Unlike conventional transistors that use silicon and are typically manufactured on rigid glass substrates, FlexEnable's OTFTs are composed of organic polymer materials. This fundamental difference allows them to be produced directly onto flexible plastic sheets. This manufacturing approach inherently imbues the display backplane with a high degree of flexibility, a critical factor in achieving the extreme 180-degree curvature seen in the Ledger Stax.
Collaboration Drives Mass Production and Manufacturing

The realization of this flexible display technology in a mass-produced consumer product was facilitated by strategic partnerships. FlexEnable collaborated with DKE in Shanghai for the volume production capability and the crucial 180-degree bend lamination of the flexible ePaper displays. Concurrently, Giantplus, a leading Taiwanese display manufacturer located in Toufen City, implemented FlexEnable's unique transistor materials and a patented low-temperature process technology. This established manufacturing process is key to producing the flexible OTFT backplanes at scale.
New Generation of Flexible Displays

The successful implementation of FlexEnable's OTFT technology in the Ledger Stax marks a significant milestone, ushering in a new era for flexible display applications. By moving away from rigid glass and embracing polymer-based transistors on plastic, the technology enables displays with form factors previously unimaginable. This breakthrough is poised to influence a range of future products, including optics for augmented reality (AR) and virtual reality (VR) devices, ePrivacy screens, advanced automotive smart windows, and Organic Liquid Crystal Displays (OLCDs), meeting the growing demand for innovative and adaptable electronic interfaces.

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How did FlexEnable enable a credit card-sized e-paper with 180-degree bend?

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