High‑light‑blocking Performance**: The black component delivers superior light‑blocking capability, effectively eliminating light leakage and crosstalk, preventing stray‑light interference to optical components and improving imaging and sensing accuracy. The white component features high reflectivity to enhance light‑efficiency utilization.

**Light‑tight after Curing**: The cured glue forms a dense layer with no light‑penetrable gaps. It resists photo‑aging and hardly yellows or discolors over long‑term service, ensuring stable optical performance.