# US 12,118,928 B2 · Display apparatus

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,118,928 B2
- Document ID: US12118928B2
- Status: Granted
- Kind: B2
- Application number: 18/500,502
- Filed: 2023-11-02
- Published: 2024-02-22
- Granted: 2024-10-15
- Earliest claimed: 2017-10-27
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: Namwook Cho; Changsoo Kim; Cheolhwan Lee
- Web page: https://patentgrep.com/patent/US12118928B2

## CPC

- G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED]
- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- G09G 2300/0408: Integration of the drivers onto the display substrate
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2300/0439: Pixel structures
- G09G 2310/0278: Details of driving circuits arranged to drive both scan and data electrodes
- G09G 2310/0286: Details of a shift registers arranged for use in a driving circuit
- G09G 2330/04: Display protection
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

## Abstract

A display apparatus includes a display panel including an active area that includes at least one module area and a bezel area positioned outside the active area, wherein a pixel array is positioned in the active area, and the at least one module area is formed as a light-transmissive area.

## Claims

### Claim 1

A display panel comprising:
an active area including at least one module area; and
a bezel area positioned outside the active area,
wherein the active area comprises a pixel array,
wherein each pixel in the pixel array includes a light emitting diode, a thin film transistor, and a connection electrode connecting the light emitting diode to the thin film transistor,
wherein the at least one module area is configured to have a light-transmissive area including at least one insulation layer between adjacent pixels of the pixel array,
wherein the at least one insulation layer comprises a first planarizing film disposed between the thin film transistor and the connection electrode,
wherein the first planarizing film is disposed in the light-transmissive area and the adjacent pixels of the pixel array,
wherein the bezel area comprises shift registers of a gate driver, the shift registers of the gate driver positioned on both sides of the active area to generate a gate signal to be supplied to the pixel array.

### Claim 2 (depends on 1)

The display panel of claim 1, wherein the connection electrode is directly on the first planarizing film, and the first planarizing film is continuously disposed in the light-transmissive area and the adjacent pixels of the pixel array.

### Claim 3 (depends on 1)

The display panel of claim 1, wherein the at least one insulation layer further comprises a second planarizing film disposed between the connection electrode and the light emitting diode,
wherein the second planarizing film is disposed in the light-transmissive area and the adjacent pixels of the pixel array.

### Claim 4 (depends on 3)

The display panel of claim 3, wherein the second planarizing film is directly on the connection electrode, and continuously disposed in the light-transmissive area and the adjacent pixels of the pixel array.

### Claim 5 (depends on 1)

The display panel of claim 1, wherein the at least one module area is positioned in the active area such that information is displayed in at least two regions of an upper side, a lower side, a left side, and a right side of the at least one module area.

### Claim 6 (depends on 5)

The display panel of claim 5, wherein the at least one module area is positioned in a region adjacent to a corner of the active area or one side of the active area such that information is displayed in an upper side, a lower side, a left side, and a right side of the at least one module area.

### Claim 7 (depends on 1)

The display panel of claim 1, further comprising:
a first potential supply electrode disposed in the bezel area to supply a first potential to the pixel array of the active area;
a second potential supply electrode disposed in the bezel area to supply a second potential lower than the first potential to the pixel array of the active area; and
first potential supply lines connected to the first potential supply electrode, extended to the active area, and disposed to avoid the at least one module area.

### Claim 8 (depends on 7)

The display panel of claim 7, further comprising:
another first potential supply electrode disposed in the bezel area to supply the first potential to the pixel array,
wherein both ends of the first potential supply electrode and the other first potential supply electrode are connected by link lines disposed in the bezel area.

### Claim 9 (depends on 1)

The display panel of claim 1, wherein one of a camera, a speaker or a sensor is disposed on the other surface of the display panel by overlapping the at least one module area.

### Claim 10 (depends on 1)

The display panel of claim 1, wherein the light emitting diode includes an anode electrode, a cathode electrode, and a light emitting structure between the anode electrode and the cathode electrode, wherein the cathode electrode is not positioned in the at least one module area.

### Claim 11 (depends on 10)

The display panel of claim 10, wherein the anode electrode is connected to the thin film transistor via the connection electrode.

### Claim 12 (depends on 10)

The display panel of claim 10, wherein the cathode electrode is formed of magnesium, calcium, aluminum, silver, or an alloy thereof.

### Claim 13 (depends on 10)

The display panel of claim 10, further comprising:
a polarizer positioned on the cathode electrode, wherein the polarizer is not positioned in the at least one module area.

### Claim 14 (depends on 1)

The display panel of claim 1, wherein the at least one module area includes only the at least one insulation layer between the adjacent pixels of the pixel array.

### Claim 15 (depends on 1)

The display panel of claim 1, wherein the at least one module area transmits light incident on one surface of the display panel to at least one module disposed to overlap the at least one module area on another surface of the display panel.

### Claim 16

A display panel comprising:
an active area including at least one module area; and
a bezel area positioned outside the active area,
wherein the active area comprises a pixel array,
wherein each pixel in the pixel array includes a light emitting diode,
wherein the at least one module area is configured to have a light-transmissive area including at least one insulation layer between adjacent pixels of the pixel array,
wherein the light emitting diode includes an anode electrode, a cathode electrode and an organic light emitting layer between the anode electrode and the cathode electrode,
wherein the cathode electrode is not positioned in the at least one module area.

### Claim 17 (depends on 16)

The display panel of claim 16, wherein each pixel further includes a thin film transistor and a connection electrode,
wherein the connection electrode connects the light emitting diode to the thin film transistor.

### Claim 18 (depends on 17)

The display panel of claim 17, further comprising:
a first planarizing film is disposed on the thin film transistor,
wherein the connection electrode is disposed on the first planarizing film in a direction light is emitted from the display panel.
