LED device with cerium oxide dispersion layer and method for manufacturing same
US8759861B2 · kind B2 · utility
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3References
6Claims
0Family size
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Key dates
| Filing date | Dec 3, 2012 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Dec 3, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0362
Abstract
An LED device includes: a substrate; an LED element provided on the substrate; a cerium oxide-dispersed composition layer containing a silicone resin and cerium oxide in an amount of 0.005 parts by weight or more and 0.03 parts by weight or less with respect to 100 parts by weight of the silicone resin, for covering the LED element; and a sealing material containing no cerium oxide for covering the cerium oxide-dispersed composition layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.