Electrode structure of roller unit for transferring semiconductor light-emitting element and intelligent integrated assembling and transferring device comprising same

US12538736B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12538736-B2
Application numberUS-202118275548-A
CountryUS
Kind codeB2
Filing dateFeb 3, 2021
Priority dateFeb 3, 2021
Publication dateJan 27, 2026
Grant dateJan 27, 2026

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

Embodiments relate to an electrode structure of a transfer roller part of a semiconductor light emitting device and an intelligent assembly-transfer integration device including the same. Electrode structure of transfer roller part of semiconductor light emitting device according to an embodiment can include a roller rotating part, an assembly substrate mounted on the roller rotating part, an adhesive film disposed between the roller rotating part and the assembly substrate, penetration electrodes penetrating the assembly substrate and roller pad electrodes disposed on the roller rotating part and electrically connected to the penetration electrodes.

First claim

Opening claim text (preview).

The invention claimed is: 1 . An electrode structure of a transfer roller part of a semiconductor light emitting device comprising: a roller rotating part; an assembly substrate mounted on the roller rotating part; an adhesive film disposed between the roller rotating part and the assembly substrate; a penetration electrode penetrating the assembly substrate; and a roller pad electrode disposed on the roller rotating part and electrically connected to the penetration electrode. 2 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 1 , wherein the assembly substrate comprises a base, a plurality of assembly electrodes and assembly pad electrodes disposed on the base, and a dielectric layer on the base, and wherein the penetration electrode penetrates the base and the adhesive film and is electrically connected to the assembly pad electrodes. 3 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 2 , wherein the roller pad electrode comprises a first pad electrode disposed on a first surface of the roller rotating part, a second pad electrode disposed on a side surface of the roller rotating part, and a third pad electrode disposed on a second surface of the roller rotating part. 4 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 1 , wherein the roller pad electrode comprises a first pad electrode disposed on a first surface of the roller rotating part, a second pad electrode disposed on a side surface of the roller rotating prat, and a third pad electrode disposed on a second surface of the roller rotating part. 5 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 1 , wherein the assembly substrate comprises a base, a plurality of assembly electrodes and assembly pad electrodes disposed on the base, and a dielectric layer on the base, and wherein the dielectric layer is disposed to cover the plurality of assembly electrodes. 6 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 5 , wherein the dielectric layer is disposed to cover the plurality of assembly electrodes and the assembly pad electrodes. 7 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 4 , wherein the roller pad electrode comprises a second-first pad electrode disposed on a first surface of the roller rotating part; a second-third pad electrode disposed on a second surface of the roller rotating part, and a second-second pad electrode disposed between the second-first pad electrode and the second-third pad electrode. 8 . The electrode structure of the transfer roller part of the semiconductor light emitting device according to claim 7 , wherein the second-second pad electrode is configured to pass through the roller rotating part. 9 . An intelligent assembly-transfer integration device comprising: a fluid chamber accommodating semiconductor light emitting devices; an assembly substrate on which the semiconductor light emitting devices are assembled; a roller part on which the assembly substrate is mounted and rotated; and an assembly inspection part for inspecting the semiconductor light emitting devices assembled on the assembly substrate, wherein the roller part comprises an electrode structure of a transfer roller part of a semiconductor light emitting device according to claim 1 .

Assignees

Inventors

Classifications

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US12538736B2 cover?
Embodiments relate to an electrode structure of a transfer roller part of a semiconductor light emitting device and an intelligent assembly-transfer integration device including the same. Electrode structure of transfer roller part of semiconductor light emitting device according to an embodiment can include a roller rotating part, an assembly substrate mounted on the roller rotating part, an a…
Who is the assignee on this patent?
Lg Electronics Inc
What technology area does this patent fall under?
Primary CPC classification H01L21/67144. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jan 27 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).