Currently, the industry tends to add a thin SUS sheet in the backside of the rollable display. The thin
SUS can provide some level of supporting and can still be roller. However, SUS is heavy. And trace
mark still exists.
The proposal is to replace the SUS sheet with an air bag and provide good support for display. When
user open display, screw plat device will extrusion the fluids bag and fluid will flow to end direction.
When all fluid bag full of fluid then can provide panel support strength. When user close display,
screw plat device will release the fluids bag and fluid will flow back to middle because the stress of
bag in the end is higher than middle.
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INC, HP, "FLUIDS BAG SUPPORT FOR ROLLABLE DEVICE", Technical Disclosure Commons, (September 17, 2021)