Semiconductor light emitting device having convex portion made with different materials
US9748453B2 · kind B2 · utility
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40References
19Claims
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Key dates
| Filing date | May 4, 2016 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | May 4, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/872
Abstract
A semiconductor light emitting device includes a substrate formed of a first material; and a convex portion protruding from the substrate and including: a first layer formed of the first material as that of the substrate; and a second layer formed of a second material different from the first material and disposed on the first layer. A second height of the second layer is greater than a first height of the first layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.