Light emitting devices with textured active layer
US9153739B2 · kind B2 · utility
5Cited by
15References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2014 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Mar 14, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/821
Abstract
A device includes a textured substrate having a trench extending from a top surface of the textured substrate into the textured substrate, wherein the trench comprises a sidewall and a bottom. A light-emitting device (LED) includes an active layer over the textured substrate. The active layer has a first portion parallel to the sidewall of the trench and a second portion parallel to the bottom of the trench.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.