# US 12,190,802 B2 · Transparent display device

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- Number: US 12,190,802 B2
- Document ID: US12190802B2
- Status: Granted
- Kind: B2
- Application number: 18/491,619
- Filed: 2023-10-20
- Published: 2024-02-08
- Granted: 2025-01-07
- Earliest claimed: 2020-12-22
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: JaeHee Park
- Web page: https://patentgrep.com/patent/US12190802B2

## CPC

- H10K 59/351: {comprising more than three subpixels, e.g. red-green-blue-white [RGBW]}
- G09G 3/3225: using an active matrix
- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2300/0876: Supplementary capacities in pixels having special driving circuits and electrodes instead of being connected to common electrode or ground; Use of additional capacitively coupled compensation electrodes
- H10K 59/80515: {characterised by their shape}
- H10K 71/861: {Repairing}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- 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 transparent display device that may prevent deterioration of light transmittance, which is caused by a repair line, from occurring. The transparent display device comprises a plurality of first signal lines extended in a first direction and spaced apart from each other, a plurality of second signal lines extended in a second direction and spaced apart from each other, a transmissive area provided between two adjacent first signal lines and between two adjacent second signal lines, a pixel including a plurality of subpixels disposed based on an overlapping area where the first signal line and the second signal line cross each other, a first electrode provided in each of the plurality of subpixels, including a first side and a second side, which are disposed to be adjacent to the transmissive area and have an inclination with respect to each of the first signal line and the second signal line, a circuit area connected with the first electrode through a contact hole disposed to be adjacent to the first side of the first electrode, and an anode line extended from the second side of the first electrode of each of the plurality of subpixels and at least partially overlapped with a circuit area of an adjacent subpixel of the same color.

## Claims

### Claim 1

A transparent display device comprising:
a plurality of first signal lines extended in a first direction and spaced apart from each other;
a plurality of second signal lines extended in a second direction and spaced apart from each other, the second direction being transverse to the first direction;
a transmissive area provided between two adjacent first signal lines and between two adjacent second signal lines;
a pixel including a plurality of subpixels disposed adjacent to an overlapping area where the first signal line and the second signal line cross each other;
a first electrode provided in each of the plurality of subpixels, which are disposed to be adjacent to the transmissive area, the first electrode including a first side and a second side;
a circuit element coupled with the first electrode through a contact hole disposed to be adjacent to the first side of the first electrode, the circuit element including a capacitor including a first capacitor electrode and a second capacitor electrode; and
an anode line extended from the second side of the first electrode and extended along a side of one of the plurality of first signal lines or a side of one of the plurality of second signal lines,
wherein, in a plan view, the anode line extends along at least one side of the transmissive area toward an adjacent subpixel in the first direction or the second direction, and extends along an outer portion of the transmissive area, and
wherein, in a plan view, the anode line is disposed between the first electrode and the transmissive area.

### Claim 2 (depends on 1)

The transparent display device of claim 1, wherein at least a portion of the anode line overlaps the second capacitor electrode of the capacitor coupled with the first electrode of the adjacent subpixel of a same color.

### Claim 3 (depends on 2)

The transparent display device of claim 2, wherein the anode line is directly coupled with the second capacitor electrode of the capacitor coupled with the first electrode of the adjacent subpixel of the same color when a laser is irradiated to the welding point.

### Claim 4 (depends on 1)

The transparent display device of claim 1, wherein the circuit element further includes:
a driving transistor supplying a power source to the first electrode of each of the plurality of subpixels and including an active layer, a gate electrode, a source electrode, and a drain electrode, and
wherein the capacitor is coupled with the driving transistor of each of the plurality of subpixels, and
wherein the second capacitor electrode of the capacitor is extended from either the source electrode or the drain electrode of the driving transistor.

### Claim 5 (depends on 4)

The transparent display device of claim 4, wherein each of the driving transistor and the capacitor does not overlap each of the first signal line and the second signal line.

### Claim 6 (depends on 4)

The transparent display device of claim 4, wherein the driving transistor is disposed to be closer to the overlapping area than the capacitor.

### Claim 7 (depends on 4)

The transparent display device of claim 4, wherein the capacitor has one side provided in parallel with the first side or the second side of the first electrode.

### Claim 8 (depends on 4)

The transparent display device of claim 4, wherein the first electrode is coupled to the second capacitor electrode of the capacitor through a contact hole disposed to be adjacent to the first side.

### Claim 9 (depends on 1)

The transparent display device of claim 1, wherein the plurality of subpixels includes first subpixels overlapped with at least a portion of the first signal line and second subpixels overlapped with at least a portion of the second signal line, and
wherein the anode line includes a first anode line extended from a first electrode of each of the plurality of first subpixels and extended along the side of one of the plurality of first signal lines, and a second anode line extended from a first electrode of each of the plurality of second subpixels and extended along the side of one of the plurality of second signal lines.

### Claim 10 (depends on 9)

The transparent display device of claim 9, wherein the first anode line at least partially overlapped with a circuit element coupled with the first electrode of a first subpixel adjacent thereto, and the second anode line at least partially overlapped with a circuit element coupled with the first electrode of a second subpixel adjacent thereto.

### Claim 11 (depends on 9)

The transparent display device of claim 9, wherein the first anode line is disposed between first subpixels provided in each of two pixels adjacent to each other in the first direction, and
wherein the second anode line is disposed between second subpixels provided in each of two pixels adjacent to each other in the second direction.
