Light-emitting device and manufacturing method thereof
US9548420B2 · kind B2 · utility
1Cited by
0References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 20, 2015 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | Apr 20, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
Abstract
A light-emitting device comprises a substrate comprising a top surface; a light-emitting stack formed on a portion of the top surface of the substrate; and a plurality of pores formed in an area of the substrate, wherein the area is under another portion of the top surface where the light-emitting stack is not formed thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.