ULRコーティングが偏光フィルムで0.41%ヘイズを達成（既存品0.68%比）
アジアの大手ディスプレイフィルムメーカー
主要指標
01
課題
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
アプローチ
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
成果
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.
Kriyaの強み
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.
主要指標
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