Light-emitting device and manufacturing method thereof
US10741721B2 · kind B2 · utility
0Cited by
12References
11Claims
0Family size
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Key dates
| Filing date | Apr 3, 2019 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Apr 3, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0364
Abstract
A light-emitting device is provided. The light-emitting device comprises a substrate; an insulating layer on the substrate, wherein the insulating layer comprises a first hole; a light-emitting stack on the insulating layer and comprising an active region comprising a top surface, wherein the top surface comprises a first part and a second part; and an opaque layer covering the first part of the top surface and exposing the second part of the top surface, wherein the second part is directly above the first hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.