# US 12,190,792 B2 · Display device

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- Number: US 12,190,792 B2
- Document ID: US12190792B2
- Status: Granted
- Kind: B2
- Application number: 18/198,416
- Filed: 2023-05-17
- Published: 2023-09-14
- Granted: 2025-01-07
- Earliest claimed: 2019-09-24
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: Junggyu Lee; JinHo Lim; Boeun Jo
- Web page: https://patentgrep.com/patent/US12190792B2

## 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
- G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing}
- G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)}
- G06F 1/1686: {the I/O peripheral being an integrated camera}
- G09G 3/2003: {Display of colours (specific for liquid crystal displays G09G3/3607)}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2300/0443: with several sub-pixels for the same colour in a pixel, not specifically used to display gradations (G09G3/364 takes precedence)
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing
- G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
- G09G 2310/0267: Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
- G09G 2310/0275: Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
- G09G 2320/0233: Improving the luminance or brightness uniformity across the screen
- G09G 2354/00: Aspects of interface with display user
- 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)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A display device can include a display panel having an active area including a plurality of subpixels; at least one hole area surrounded by the active area; a boundary area between the at least one hole area and the active area; a first gate line on the active area and the boundary area to supply a scan signal to a first group of subpixels; a second gate line on the active area and the boundary area to supply an emission signal to the first group of subpixels. Also, the display device can include a first data line disposed on the active area and the boundary area to supply a first data voltage to a second group of subpixels; and a second data line disposed on the active area and the boundary area to supply a second data voltage to a third group of subpixels.

## Claims

### Claim 1

A display device, comprising:
a display panel including a substrate on which an active area where a plurality of subpixels are disposed is defined;
at least one hole area surrounded by the active area;
a boundary area disposed between the at least one hole area and the active area;
at least one gate line to supply a scan signal or an emission signal to a first group of subpixels among the plurality of subpixels;
a first data line disposed on the active area and the boundary area, the first data line being configured to supply first data voltages to a second group of subpixels including at least one first color subpixel and at least one second color subpixel among the plurality of subpixels, the second group not including any green subpixels; and
a second data line disposed on the active area and the boundary area, the second data line being configured to supply a second data voltage to a third group of subpixels including at least one green subpixel different from the first and second color subpixels among the plurality of subpixels,
wherein in the boundary area, a vertical distance of the second data line from the substrate is different from a vertical distance of the first data line from the substrate, to reduce a load of the second data line to prevent a decrease of luminance in an area located around the at least one hole area.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the second group of subpixels is included in the first group of subpixels, the third group of subpixels is included in the first group of subpixels, and the second group of subpixels is different from the third group of subpixels.

### Claim 3 (depends on 1)

The display device of claim 1, wherein the first group of subpixels includes a red subpixel, a green subpixel and a blue subpixel.

### Claim 4 (depends on 1)

The display device of claim 1, wherein the second group of subpixels includes a red subpixel and a blue subpixel, and does not include a green subpixel.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the third group of subpixels includes the green subpixel, and does not include the red subpixel and the blue subpixel.

### Claim 6 (depends on 5)

The display device of claim 5, further comprising:
an insulating layer disposed between the at least one gate line and the first data line; and
a passivation layer disposed between the first data line and the second data line,
wherein a thickness of the insulating layer is greater than a thickness of the passivation layer.

### Claim 7 (depends on 1)

The display device of claim 1, wherein the at least one gate line includes:
a first gate line disposed on the active area and the boundary area, and configured to supply the scan signal to the first group of subpixels; and
a second gate line disposed on the active area and the boundary area, and configured to supply the emission signal to the first group of subpixels,
wherein the first gate line is one of a plurality of first gate lines,
wherein the second gate line is one of a plurality of second gate lines, and
wherein the plurality of first gate lines and the plurality of second gate lines are arranged in an alternating manner in one direction.

### Claim 8 (depends on 7)

The display device of claim 7, wherein the first data line is one of a plurality of first data lines,
wherein the second data line is one of a plurality of second data lines, and
wherein the plurality of first data lines and the plurality of second data lines are arranged in an alternating manner in another direction crossing the one direction.

### Claim 9 (depends on 7)

The display device of claim 7, wherein the first data line and the second data line overlap with both of the first gate line and the second gate line.

### Claim 10 (depends on 7)

The display device of claim 7, wherein the first data line and the second data line cross over both of the first gate line and the second gate line at the boundary area.

### Claim 11 (depends on 7)

The display device of claim 7, wherein each of the first gate line, the second gate line, the first data line and the second data line includes a curved portion and a straight portion, and
wherein a curved portion of the first gate line crosses over a straight portion of the first data line, or a straight portion of the first gate line crosses over a curved portion of the first data line.

### Claim 12 (depends on 7)

The display device of claim 7, wherein the boundary area includes a first boundary area surrounding the hole area, and a second boundary area surrounding the first boundary area, and
wherein the first gate line, the second gate line, the first data line and the second data line are disposed on the second boundary area and are not included in the first boundary area.

### Claim 13 (depends on 12)

The display device of claim 12, wherein the hole area and the first boundary area are areas that are open and configured to receive a sensor unit.

### Claim 14 (depends on 13)

The display device of claim 13, wherein the first boundary area includes signal lines for driving the sensor unit.

### Claim 15 (depends on 7)

The display device of claim 7, wherein a vertical distance between the second data line and the first gate line is greater than a vertical distance between the first data line and the first gate line.

### Claim 16 (depends on 7)

The display device of claim 7, wherein the first gate line and the second gate line are disposed on a same layer.

### Claim 17 (depends on 1)

The display device of claim 1, wherein the first data line is connected to a plurality of red subpixels and a plurality of blue subpixels, and
wherein the second data line is connected to a plurality of green subpixels.

### Claim 18 (depends on 1)

The display device of claim 1, wherein the second group of subpixels emits a different color than the first group of subpixels.

### Claim 19 (depends on 1)

The display device of claim 1, wherein the first data line and the second data line are disposed in different layers.

### Claim 20 (depends on 1)

The display device of claim 1, wherein the second data line is one of a plurality of second data lines, and
wherein two adjacent second data lines among the plurality of second data include curved portions that curve towards each other.