High & Low Refractive Index Structural Layers

High & Low Refractive Index Structural Layers

Based on high refractive index UV curable resin, it enables light concentration and improves the light extraction efficiency of display modules.

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Technical Parameters 

Status Test Item Units IJ7201A OL3002A L2305C1 Test Method
Before Curing Refractive Index (nd) nd 1.61 1.38 Abbe refractometer at 25°C
Viscosity cps 25-30 400-600 2-8 Viscometer
Curing Conditions Oxygen-free environment 395 nm LED, 3000 mJ/cm² Oxygen-free environment 395 nm LED, 5000 mJ/cm² Oxygen-free environment 395 nm LED, 5000 mJ/cm²
After Curing Refractive Index nd 1.70 1.40 n@515nm 1.296 Abbe refractometer at 25°C
n@633nm 1.287
Light Transmittance % >97 >97 93.32 UV-Vis spectrophotometer(400-700nm)
Haze % 0.40 <0.5 0.14 Hazemeter
Yellowness Index <0.5 <0.3 -0.39 Color difference meter
Peel Strength N/25mm 300~400 Tensile testing machine
(peel force between glass substrates)
Application Scenarios OLED Light Extraction Layer Low-RI Filling Layer for Silicon-based OLED Displays Glass Substrate Coating

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