3D Curved Display Interlayer Prevents Adhesive Penetration

The patent divides the attachment structure into multiple functional layers: a shaping layer (with curvature matching the protective cover lens), an interlayer (bonded to the liquid crystal display module), and a first adhesive layer (between the protective cover lens and shaping layer). This segmentation allows each layer to perform its specific function - the shaping layer provides geometric compatibility for sealing, the interlayer provides bonding to the display module, and the adhesive layer provides attachment - thereby improving attachment reliability while keeping each component relatively simple.

The shaping layer acts as an intermediary component between the curve-shaped protective cover lens and the flat liquid crystal display module. It mediates the geometric mismatch by providing a curved surface that matches the protective cover lens while being bonded to the flat display module through the interlayer, thus enabling hermetic sealing without requiring direct contact between incompatible surfaces.

The interlayer serves as a protective intermediary between the first adhesive layer and the liquid crystal display module. It allows the low viscosity adhesive to be poured and fill the gap effectively (improving ease of manufacture) while preventing the adhesive from penetrating into the liquid crystal display module (avoiding damage). The interlayer thus mediates between the manufacturing convenience of using low viscosity adhesive and the need to protect the display module.

The interlayer is placed beforehand on the liquid crystal display module to provide protective cushioning against potential adhesive penetration. This prior protective measure allows the use of low viscosity adhesive that can flow easily to fill gaps, while the interlayer stands ready to prevent any harmful penetration, thus cushioning against the potential harm before it can occur.