ULR coating achieves 0.41% haze vs 0.68% incumbent on polariser film
A leading Asian display film producer
Kerncijfers
01
De uitdaging
The display film producer needed an ultra-low-reflection coating on TAC polariser film that could match or exceed the performance of the incumbent Japanese supplier. The existing solution suffered from strong substrate curl and higher haze, impacting yield and optical quality in large-format TV panel production.
02
Onze aanpak
Kriya developed a 4-layer ULR stack (HC + HRI + HRI + ARAF) on 60 µm TAC substrate. Hand-coated prototypes were benchmarked head-to-head against machine-coated competitor samples. Optical modelling confirmed reflection below 0.2% across the 450–650 nm visible band, and formulation was iterated through three versions to optimise haze-reflection balance.
03
Het resultaat
Kriya ULR achieved 0.41% haze (C-illuminant) versus 0.68% for the competitor—a 40% haze reduction. Pencil hardness reached 4H (vs 3H), transmission matched at 97.0%, and the Kriya coating eliminated substrate curl entirely. Steel wool abrasion at 10 rubs showed no scratches versus visible scratches on the competitor film.
Waarom Kriya
Kriya is the only PFAS-free supplier with overcoatable LRI down to RI 1.16, enabling the full multi-layer AR stack from a single vendor with no curl and superior mechanical durability.
Kerncijfers
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