576 Series

The OPB^TM 576 Series is designed for full lamination of optical components in smartphones and large-sized touch displays. This adhesive features an elastic gradient design, providing superior processing characteristics compared to conventional optical adhesives. The high modulus inner layer offers excellent mechanical strength, improving bonding yield and facilitating rework operations. The low modulus outer layer prevents color shift after bonding with the LCD module and excels in ink gap filling.

Specification

Typical Properties

Item	Unit	OPB^TM-57610
Thickness	um	250
Total Transmittance(TT)	%	90.45
Hue(L, a, b*)	-	96.0, -0.4, 0.4
Release Film(Haze)	%	0.2
Yellowness Index(YI)	-	0.5
Storage Modulus(G')	kPa	80
Adhesion Force(Peeling Force)	Kgf/inch	2.0

Reliability Properties

Reliability Condition	Optical Properties^a	Appearance^b
95˚C, 1000h	Δ Haze < 1 Δ YI < 1 T% > 90% Δ b* < 1	No Bubble No Delamination
-40˚C, 1000h
85˚C/85%RH, 1000h
-40~85˚C, 1000cycles
^aStructure of Test Specimen Glass/OCA 250um/Glass，尺寸4x4 cm²。 ^bAppearance of Test Specimen Glass/OCA/Polarizer/Glass，尺寸10x10 cm²。

Products

576 Series

Specification

Structure

Application