White Epoxy Molding Compound for LED Reflector
CEL-W Series
About the product
Resonac’s White Epoxy Molding Compound has been adopted to LED package reflectors of major LED makers.
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Merits
- Contributes to brighter LED packages with high reflectance.
- Retains reflectance by higher resistance against heat- or UV-induced color change compared with thermoplastic resin.
- Contributes to greater reliability of LED packages with strong adhesion to Ag plating and silicone resin.
CEL-W Series
After transfer molding
After Dicing
After chip mounting
Characteristics
| Items | Unit | CEL-W-7005 | Thermoplastics | |
|---|---|---|---|---|
| Reflectance | Initial | % | 93 | 93 |
| 150ºC, 1000h | % | 70 | 40 | |
| After reflow(260ºC, 5cycle) | % | 86 | 71 | |
| Adhesion | Ag plating | MPa | 10 | - |
| Copper | MPa | 12 | - | |
Reflow Resistance(260ºC)
Heat Resistance(150ºC)
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