# US 12,218,111 B2 · Display apparatus

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- Number: US 12,218,111 B2
- Document ID: US12218111B2
- Status: Granted
- Kind: B2
- Application number: 18/135,178
- Filed: 2023-04-16
- Published: 2023-08-24
- Granted: 2025-02-04
- Earliest claimed: 2019-12-02
- Assignees: Seoul Semiconductor Co., Ltd.
- Applicants: Seoul Semiconductor Co., Ltd.
- Inventors: Chung Hoon Lee
- Web page: https://patentgrep.com/patent/US12218111B2

## CPC

- H10H 29/45: comprising two substrates, each having active devices thereon, e.g. displays comprising LED arrays and driving circuitry on different substrates
- H10W 90/00: Package configurations
- H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls
- H10H 29/49: Interconnections, e.g. wiring lines or terminals (connection of the pixel electrodes to the driving transistors H10H29/39)
- H10H 20/0364: {of interconnections}
- H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

A display apparatus including a plurality of display modules each including a module substrate and a plurality of light emitting devices mounted on the module substrate, and a support substrate on which the display modules are disposed and including electrodes, in which the module substrate includes through-holes penetrating the module substrate and vias disposed in the through-holes, and the light emitting devices are electrically connected to the electrodes of the support substrate through the vias.

## Claims

### Claim 1

A display module comprising:
a light module comprising a module substrate and a plurality of light sources disposed on the module substrate; and
a drive circuit electrically connected to the light module and configured to control the plurality of light sources,
wherein the module substrate includes:
an upper surface on which the plurality of light sources are disposed, and a lower surface opposing the upper surface;
a plurality of first wires disposed on the upper surface;
a plurality of second wires disposed on the lower surface;
a first region comprising at least one of the plurality of first wires and at least one of the plurality of light sources;
a second region disposed on the module substrate and surrounding the first region; and
holes disposed in the module substrate and vias disposed in the holes,
wherein at least one of the holes and vias is disposed on the second region,
wherein at least one of the plurality of second wires is disposed on a region corresponding to the second region, and
wherein at least one of the plurality of second wires is disposed on a region corresponding to the first region.

### Claim 2 (depends on 1)

The display module of claim 1, wherein at least one of the plurality of first wires is disposed on a region corresponding to the first region.

### Claim 3 (depends on 1)

The display module of claim 1, wherein at least one of the plurality of first wires is disposed on a region corresponding to the second region.

### Claim 4 (depends on 1)

The display module of claim 1, wherein the holes and vias are disposed on the second region.

### Claim 5

A display device comprising:
a light module comprising a module substrate and a plurality of light sources disposed on the module substrate; and
a drive circuit electrically connected to the light module and configured to control the plurality of light sources,
wherein the module substrate includes:
an upper surface on which the plurality of light sources are disposed, and a lower surface opposing the upper surface;
a plurality of first wires disposed on the upper surface;
a plurality of second wires disposed on the lower surface;
a first region comprising at least one of the plurality of first wires and at least one of the plurality of light sources;
a second region disposed on the module substrate and surrounding the first region; and
holes disposed in the module substrate,
wherein at least one of the plurality of second wires is disposed on a region corresponding to the second region, and
wherein at least one of the plurality of second wires is disposed on a region corresponding to the first region.

### Claim 6 (depends on 5)

The display device of claim 5, further comprising vias disposed in the holes.

### Claim 7 (depends on 6)

The display device of claim 6, wherein at least one of the holes and vias is disposed on the second region.

### Claim 8 (depends on 5)

The display device of claim 5, wherein at least one of the plurality of first wires is disposed on a region corresponding to the first region.

### Claim 9 (depends on 5)

The display device of claim 5, wherein at least one of the plurality of first wires is disposed on a region corresponding to the second region.

### Claim 10

A display device comprising:
a light module comprising a module substrate and a plurality of light sources disposed on the module substrate; and
a drive circuit electrically connected to the light module and configured to control the plurality of light sources,
wherein the module substrate includes:
an upper surface on which the plurality of light sources are disposed, and a lower surface opposing the upper surface;
a plurality of first wires disposed on the upper surface;
a plurality of second wires disposed on the lower surface;
a first region comprising at least one of the plurality of first wires and at least one of the plurality of light sources; and
a second region disposed on the module substrate and surrounding the first region,
wherein at least one of the plurality of second wires is disposed on a region corresponding to the second region, and
wherein at least one of the plurality of second wires is disposed on a region corresponding to the first region.

### Claim 11 (depends on 10)

The display device of claim 10, further comprising holes disposed in the module substrate and vias disposed in the holes.

### Claim 12 (depends on 11)

The display device of claim 11, wherein at least one of the holes and vias is disposed on the second region.

### Claim 13 (depends on 10)

The display device of claim 10, wherein at least one of the plurality of first wires is disposed on a region corresponding to the first region.

### Claim 14 (depends on 10)

The display device of claim 10, wherein at least one of the plurality of first wires is disposed on a region corresponding to the second region.

### Claim 15 (depends on 11)

The display device of claim 11, wherein the holes and vias are disposed on the second region.