Substrate for light emitting device, light emitting device, and method for manufacturing substrate for light emitting device
US10167566B2 · kind B2 · utility
0Cited by
2References
13Claims
0Family size
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Key dates
| Filing date | Jul 25, 2014 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Sep 3, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/856
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A substrate (5) in which a surface of an aluminum base (10) other than a surface on which an insulating thin film layer (17) is formed is covered with a protective layer (19) which is an aluminum anodic oxide film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.