LED emissive display device and method for producing such a device
US11482567B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2019 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Nov 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0364
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A display device including a first integrated circuit including: an assembly of light-emitting diodes, each diode including a vertical stack of a first semiconductor layer of a first conductivity type and of a second semiconductor layer of a second conductivity type; and on the side of a surface of the first circuit opposite to the first semiconductor layer, a connection structure including a dielectric layer having a plurality of identical or similar connection pads, regularly distributed across the entire surface of the first circuit, arranged therein, each diode having a first electrode in contact with at least one pad of the connection structure, and a second electrode in contact with a plurality of pads of the connection structure at the periphery of the plurality of diodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.