Light-emitting element having a reflective structure with high efficiency
US9685588B2 · kind B2 · utility
1Cited by
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18Claims
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Key dates
| Filing date | Mar 29, 2016 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Mar 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
Abstract
An optoelectronic element comprises a semiconductor stack comprising an active layer, wherein the semiconductor stack has a first surface and a second surface opposite to the first surface; a first transparent layer on the second surface; a plurality of cavities in the first transparent layer; and a layer on the first transparent layer, wherein the first transparent layer comprises oxide or diamond-like carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.