US 2025/0169263 A1 · Micro LED Display Device and Method for Manufacturing Micro LED Display Device

Abstract

The present relates to a micro LED display device and a method for manufacturing the micro LED display device, wherein micro LEDs and a drive substrate can be stably bonded without a reduction in light extraction efficiency. The micro LED display device a drive substrate having a first pad and a second pad that are connected to different potentials; and micro LEDs having a light-emitting structure in which an n-type semiconductor layer, an active layer, and a p-type semiconductor layer are stacked, an n-type pad electrically connecting the n-type semiconductor layer and the first pad, and a p-type pad electrically connecting the p-type semiconductor layer and the second pad. One of the n-type pad or the p-type pad may be provided on a side surface of the light-emitting substrate.

Claims15

Dependent claims

A micro LED display device comprising:

a driving substrate a first pad and a second pad connected to different potentials;
and
a micro LED a light-emitting structure in which an n-type semiconductor layer, an active layer, and a p-type semiconductor layer are stacked, an n-type pad electrically connecting the n-type semiconductor layer to the first pad, and a p-type pad electrically connecting the p-type semiconductor layer to the second pad,
wherein one of the n-type pad and p-type pad is provided on a side surface of the light-emitting structure.

1 more element

A method for manufacturing a micro LED display device, comprising:

preparing a driving substrate a first pad and a second pad connected to different potentials;
preparing a plurality of micro LEDs a light-emitting structure in which an n-type semiconductor layer, an active layer, and a p-type semiconductor layer are stacked, an n-type pad electrically connected to the n-type semiconductor layer, and a p-type pad electrically connected to the p-type semiconductor layer, one of the n-type pad and the p-type pad being provided on a side surface of the light-emitting structure;
and
bonding the plurality of micro LEDs to the driving substrate so that one of the n-type pad and the p-type pad provided on the side surface of the light-emitting structure is electrically connected to one of the first pad and the second pad and the other of the n-type pad and the p-type pad is electrically connected to the other of the first pad and the second pad.

1 more element

Dependencies are inferred from the claim text.

Micro LED Display Device and Method for Manufacturing Micro LED Display Device

Life of this patent

Micro LED Display Device and Method for Manufacturing Micro LED Display Device

Life of this patent

Abstract

Claims15