Abstract
Unsurprisingly, the FPD industry began life making flat display panels. In recent years curved displays have entered production, including TVs and foldable smartphone displays built on polyimide. These are manufactured in a flat state, then uniaxially curved.However, many real‐world surfaces have surfaces with biaxial curvature, either for aesthetic or functional reasons, and require biaxially curved displays with active optics that enable these surfaces to actively modulate, steer and focus light.We report on recent developments which show that flexible OTFT arrays, LC cells and Organic LCDs (OLCDs) can be biaxially thermoformed to spherically curved surfaces.
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