Aluminum nitride substrate removal for ultraviolet light-emitting devices
US10756234B2 · kind B2 · utility
0Cited by
4References
34Claims
0Family size
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Key dates
| Filing date | May 11, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | May 11, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/825
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
In various embodiments, extraction efficiency of light-emitting devices fabricated on aluminum nitride substrates is enhanced via removal of at least a portion of the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.