Flexible Display Lamination with Pre-Stress Neutralization

The patent applies preliminary action by introducing pre-applied stress during the lamination process in the unfolded state. The stress applying component generates compressive stress on the first laminate layer before folding occurs, which counteracts the tensile stress that would normally develop during folding. This preliminary stress application prevents fatigue accumulation and extends service life.

The patent implements preliminary anti-action by applying stress in the opposite direction to the stress that occurs during folding. The stress applying component generates compressive stress on the first laminate layer during lamination in the unfolded state, which is opposite to the tensile stress experienced during folding. This counter-stress neutralizes the harmful effects of folding stress and reduces fatigue.

The patent applies local quality by concentrating the stress application function on specific components rather than redesigning the entire lamination system. The stress applying component (including stress applying rollers and vacuum chambers) is localized to where it is most needed - on the laminate layers during lamination - allowing precise stress control without unnecessary system-wide complexity.

The patent uses an intermediary approach by introducing a dedicated stress applying component as a mediator between the lamination process and the laminate layers. This component (with rollers and vacuum chambers) serves as an intermediate device that applies the necessary pre-stress during lamination without requiring fundamental changes to the base lamination system, thus managing complexity while achieving the reliability improvement.