Spliced Display Panel Lens Assembly for Seam Alignment

The patent introduces a lens assembly as an intermediary component between the cover plate and the display screen. This lens assembly includes multiple lens groups (first lens group, second lens group, third lens group) that are specifically designed to converge light at the splicing seam. By placing this intermediary optical system in the optical path, the patent achieves both goals: the cover plate can be positioned at a reasonable distance from the screen while still obtaining excellent alignment assembly effect through the light convergence function of the lens assembly.

The patent employs a nested arrangement of multiple lens groups within the limited space between the cover plate and the panel body. The lens assembly comprises three lens groups (first lens group with positive power, second lens group with negative power, third lens group with positive power) that are nested along the optical axis. This nested configuration allows the complex optical system to be compactly arranged in a constrained space while maintaining the light convergence function necessary for improving alignment assembly effect.

The patent applies the local quality principle by designing the lens assembly with specific optical properties localized at the splicing seam region. The lens groups are configured with different optical powers (positive, negative, positive) to create a focused light convergence effect specifically at the splicing seam area. This localized optical treatment improves the alignment assembly effect precisely where it is needed without unnecessarily complicating the entire device structure.