A new British firm that creates electrophoretic displays has revealed plans to make flexible plastic tech for cards featuring fingerprint sensors.Cambridge-based FlexEnable, which announced its launch on 2 February, has been created from UK plastic electronics firm Plastic Logic.The firm says its technology enables smart cards to include active matrix displays, fingerprint sensors and logic on a single sheet of plastic. It also notes that its products fit in a standard credit card form factor of 0.76mm.