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US 12,183,866 B2Granted
Display device using micro LED, and manufacturing method therefor
AssigneeLG Electronics Inc.
InventorsHwanjoon Choi, Kyoungtae Wi
Life of this patent
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Abstract
Disclosed in the present specification is a micro LED display device, and a manufacturing method therefor, the method forming, in advance, an anisotropic conductive adhesive paste layer only on a conductive electrode part of a semiconductor light emitting element and on a peripheral part thereof, and then transferring the anisotropic conductive adhesive paste layer to a wiring substrate, thereby simultaneously performing a transfer step and a stable wiring step.
Claims10
A display device, comprising:
- a substrate;
- an organic pad positioned above the substrate;
- a wiring electrode positioned on the organic pad, wherein the organic pad has a rough surface on which the wiring electrode is formed;
- an anisotropy conductive adhesive paste layer having conductive particles and positioned on the wiring electrode;
- a semiconductor light emitting element positioned on the anisotropy conductive adhesive paste layer and electrically connected to the wiring electrode by the conductive particles of the anisotropy conductive adhesive paste layer;
- and
- a protective layer provided at an upper surface of the semiconductor light emitting element and not connected to the wiring electrode,
- wherein the organic pad comprises a plurality of nanoparticles, wherein at least one nanoparticle among the plurality of nanoparticles is exposed at the rough surface of the organic pad.
5 more elements
Dependencies are inferred from the claim text.