Flexible Display Bezel Bending Structure for Peeling Prevention

The patent applies dimensionality change by bending the non-display area of the flexible substrate into a three-dimensional configuration. The wiring and driving circuits are arranged on a bent surface rather than a flat plane, allowing these components to occupy less projected area while maintaining their functional integrity. This enables the bezel area to be reduced significantly while still accommodating all necessary wiring and driving circuits.

The patent implements nesting by folding the non-display area containing the wiring and driving circuits into a compact configuration. The wiring layers and circuit components are nested within the bent non-display region, similar to how elements are nested in a doll's doll structure. This nesting approach allows the functional components to be contained within a smaller spatial footprint, thereby reducing the visible bezel area.

The patent applies beforehand cushioning by introducing a cushioning layer between the flexible substrate and the wiring/driving circuit layers in the bending area. This cushioning layer compensates for the stress and strain generated during bending, preventing the substrate and circuit layers from peeling apart or cracking. The cushioning effect is built into the structure before the device is assembled, ensuring protection against bending-induced defects.

The patent uses composite materials by combining multiple layers with different mechanical properties in the bending area. The flexible substrate is复合ed with cushioning layers, protective films, and adhesive layers that have complementary characteristics. This composite structure provides both the flexibility needed for bending and the structural integrity to prevent peeling and cracking, resolving the contradiction between aesthetic appeal and manufacturing precision.

The patent applies composite materials by replacing the single-layer micro coating with a multi-layer protective structure in the bending area. This includes a cushioning layer, protective film, and adhesive layer, each contributing different protective functions. The composite structure provides enhanced crack resistance compared to a single thick coating, while the overall thickness remains minimized due to the thin nature of each individual layer.

The patent implements beforehand cushioning by placing a dedicated cushioning layer and protective film in the bending area before final assembly. These layers are positioned in advance to provide stress distribution and crack prevention, allowing the micro coating layer to be minimized in thickness without compromising protective function. The cushioning effect is built into the structure prior to device completion.