Application | Attaching touch panel to display panel |
---|---|
Bonding process |
• General dispensing method |
Advantages |
- Able to control the thickness of adhesives within ~50um. - Simple process and equipment for laminating and attachment. - Low process costs. |
Item | Unit | Reliability Test | MRH1250 | MRH9690 | MRH0972 |
---|---|---|---|---|---|
Curing dosage (@80%, LED 365nm) |
mJ/㎠ | - | 700 | 2400 | 2400 |
Curing dosage (@95%, LED 365nm) |
mJ/㎠ | - | 1350 | 6500 | 6000 |
Viscosity | cPs | - | 900 | 1,100 | 1,300 |
Refractive index | - | - | 1.48 | 1.48 | 1.48 |
Density | g/cc | - | 0.8983 | 0.9048 | 0.9011 |
Density | g/cc | - | 0.9020 | 0.9401 | 0.9291 |
Shrinkage | % | - | 1.64 | 3.75 | 3.01 |
Hardness | - | - | 30 | 37 | 28 |
Modulus | Pa | - | 7.0E+03 | 1.8E+04 | 5.8E+03 |
Adhesive Shear Stress (Glass to Glass) |
Pa | 0 hr | 5.8E+05 | 1.4E+06 | 1.2E+06 |
500 hrs | 7.5E+05 | 1.6E+06 | 1.6E+06 | ||
CTE(above Tg) | ppm | 0 hr | 690 | 850 | 870 |
500 hrs | 660 | 650 | 690 | ||
Dielectric constant | - | 0 hr | 3.08 | 2.72 | 3.11 |
500 hrs | 2.17 | 3.20 | 2.91 | ||
Refractive index | - | - | 1.48 | 1.48 | 1.48 |
transmittance | % | 0 hr | 99.4 | 98.5 | 99.1 |
500 hrs | 99.7 | 99.0 | 99.5 | ||
Haze | % | 0 hr | 0.16 | 0.18 | 0.06 |
500 hrs | 0.39 | 0.12 | 0.46 | ||
Yellowish | - | 0 hr | 0.04 | 0.13 | 0.05 |
500 hrs | 0.16 | 0.27 | 0.16 |