US 12,684,905 B2 · Light-emitting device, manufacturing method thereof and display apparatus

Abstract

The present disclosure provides a light-emitting device, a method for manufacturing a light-emitting device and a display apparatus, and belongs to the field of display technology, and can solve the problem that the light-emitting device in the related art has low luminescence efficiency. The light-emitting device of the present disclosure includes: a substrate, a light-emitting diode on the substrate and a color conversion layer on a side of the light-emitting diode away from the substrate; the light-emitting device further includes: nano-metal particles; a plurality of grooves are formed in a surface of the light-emitting diode away from the substrate; and the nano-metal particles are filled in the plurality of grooves.

Claims20

Dependent claims

A light-emitting device, comprising:

a substrate;
a light-emitting diode on the substrate;
a color conversion layer on a side of the light-emitting diode away from the substrate;
a plurality of grooves in a surface of the light-emitting diode away from the substrate;
and
nano-metal particles filled in the plurality of grooves;
a metal layer on a side of the conversion layer away from the substrate and electrically connected to the light-emitting diode;
and
a contact electrode electrically connected to the metal layer and for driving the light-emitting diode.

6 more elements

A method for manufacturing a light-emitting device, comprising:

forming a light-emitting diode on a substrate;
forming a plurality of grooves in a surface of the light-emitting diode away from the substrate;
filling nano-metal particles in the plurality of grooves;
forming a color conversion layer on a side of the light-emitting diode away from the substrate
forming a metal layer covering the conversion layer and on a side of the conversion layer away from the substrate;
and
forming a contact electrode electrically connected to the metal layer and for driving the light emitting-diode.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/579,356Filed 29 Aug 2022

Priority

CN 202210585548.126 May 2022

Published

US 2024/0347678 A117 Oct 2024

Granted

14 Jul 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

H10H 20/816
Bodies: having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
H10H 20/821
Characterised by their shape, e.g. curved or truncated substrates: of the light-emitting regions, e.g. non-planar junctions
H10H 20/0137
Having light-emitting regions comprising only Group III-V materials: the light-emitting regions comprising nitride materials
H10H 20/819
Bodies: characterised by their shape, e.g. curved or truncated substrates

Light-emitting device, manufacturing method thereof and display apparatus

Life of this patent

Light-emitting device, manufacturing method thereof and display apparatus

Life of this patent

Abstract

Claims20