Rollable Display Device Roller Position Adjustment

The patent removes the auxiliary roller component from the system entirely. Instead of using an auxiliary roller to maintain display part position, the invention uses only a single roller combined with a moving unit that adjusts the roller's position along the rolling direction. This extraction of the harmful auxiliary roller eliminates display area shielding and surface scratching while maintaining positional stability through the moving unit's position adjustment capability.

The patent introduces a moving unit as an intermediary mechanism between the roller and the housing. This moving unit includes a moving groove that guides the roller's position adjustment along the rolling direction. The moving unit acts as a mediator that enables the roller to dynamically adjust its position to compensate for display part position changes during winding/unwinding, replacing the need for an auxiliary roller while maintaining display stability.

The patent makes the roller's position dynamic by introducing a moving unit that allows the roller to move along the rolling direction. The roller's position is no longer fixed but can be adjusted dynamically based on the winding/unwinding state of the display part. This dynamic adjustment capability enables the system to maintain display part position stability while preserving the flexibility and compactness provided by the roller mechanism.

The moving unit with the moving groove provides a feedback mechanism that responds to the display part's winding/unwinding state. As the display part is wound or unwound, the roller automatically adjusts its position along the rolling direction through the moving groove, compensating for position changes and maintaining stable display part positioning throughout the operation.