FlexCase: Enhancing Mobile Interaction with a Flexible Sensing and Display Cover
summary
A flexible flip cover prototype combines a flexible e-paper display with a printed piezoelectric 3x5 matrix sensor to add touch, pressure, grip and continuous bend input to existing phones without changing the handset. One single sensor matrix distinguishes touch from bending via global activation statistics and reconstructs shape; a linear classifier hits ~70% grip accuracy while a non-linear random‑features mapping reaches ~90%. Built apps (clipboard, map navigation, camera controls) run on the prototype and informal studies report promising, workable interactions.
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chapters (9)
- 0:00Start
- 3:01augment the phone with a bendable interactive eye paper
- 3:12define a set of high-level design goals
- 4:15integrating an additional flexible device into a flip cover
- 12:58demonstrate the use of the cover as an extended visual clipboard
- 13:40transfer route to the secondary display by closing the cover
- 15:31displaying a feedback and hints on the flexible epaper
- 16:08integrated a flexible epaper display
- 22:10subtract the bending from the surface
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