Display device

Patent metadata

Field	Value
Publication number	US-11243645-B2
Application number	US-201916482238-A
Country	US
Kind code	B2
Filing date	Jan 30, 2019
Priority date	Aug 13, 2018
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

A display device is provided. The display device includes a display unit which includes a display area and a first hole formed in the display area; and an input sensing unit which is disposed on the display unit and comprises a second hole corresponding to the first hole, the input sensing unit further including: a base layer which includes: an adjacent area disposed adjacent to the second hole and a sensing area overlapping the display area and surrounding the adjacent area; detection electrodes which are disposed on the sensing area; and a first connection wiring which is disposed on the adjacent area, the first connection wire electrically connecting at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole.

First claim

What is claimed is:

1. A display device, which comprises a display area, a hole and an adjacent area between the display area and the hole, the display device, comprising:
a first substrate;
a display element layer disposed on the first substrate;
a first sensing electrode and a second sensing electrode disposed on the display element layer, the first sensing electrode and the second sensing electrode spaced apart by the hole; and
a first connection wiring connecting the first sensing electrode and the second sensing electrode, the first connection wiring disposed in the adjacent area.

2. The display device of claim 1 , further comprising a thin film encapsulation layer disposed between the display element layer and the first sensing electrode,
wherein the first connection wiring is disposed on the thin film encapsulation layer.

3. The display device of claim 2 , wherein the first sensing electrode, the second sensing electrode and the first connection wiring are disposed in a same layer.

4. The display device of claim 3 , wherein the first sensing electrode, the second sensing electrode and the first connection wiring include a same conductive material.

5. The display device of claim 4 , further comprising a metal conductive pattern disposed directly on the first connection wiring.

6. The display device of claim 1 , further comprising a circuit element layer disposed between the first substrate and the display element layer, the circuit element layer comprising a transistor;
wherein the display element layer comprises a light emitting element disposed in the display area and electrically connected to the transistor.

7. The display device of claim 6 , wherein the first substrate and the circuit layer forms the hole therethrough.

8. The display device of claim 1 , further comprising a guard line disposed on the display element layer,
wherein the guard line is disposed in the adjacent area and fully surrounds the hole in a plan view.

9. The display device of claim 1 , further comprising:
a third sensing electrode and a fourth sensing electrode disposed on the display element layer, the third sensing electrode and the fourth sensing electrode spaced apart by the hole; and
a second connection wiring connecting the third sensing electrode and the fourth sensing electrode, the second connection wiring disposed in the adjacent area and spaced apart from the first connection wiring,
wherein a line width of the first connection wiring is different from a line width of the second connection wiring.

10. The display device of claim 9 , wherein the first sensing electrode, the second sensing electrode, the third sensing electrode, the fourth sensing electrode, the first connection wiring and the second connection wiring are disposed in a same layer.

11. The display device of claim 1 , further comprising:
a second substrate disposed on the first substrate; and
a sealing member disposed between the first substrate and the second substrate, the sealing member disposed in the adjacent area and surrounding the hole,
wherein the display element layer is disposed between the first substrate and the second substrate, and the first connection wiring overlapping the sealing member.

12. The display device of claim 11 , wherein the second substrate is disposed between the sealing member and the first connection wiring.

13. The display device of claim 1 , further comprising wirings disposed between the first substrate and the first connection wiring,
wherein the wirings are disposed in the adjacent area, and the first connection wiring overlapping at least two of the wirings.

14. The display device of claim 1 , further comprising a plurality of dams disposed between the first substrate and the first connection wiring,
wherein the plurality of dams are disposed in the adjacent area, each of the plurality of dams surrounds the hole, and the first connection wiring overlapping at least one of the plurality of dams.

15. The display device of claim 14 , further comprising a groove formed between two adjacent dams of the plurality of dams, the groove being inversely tapered.

16. A display device comprising:
a substrate which comprises a display area, a non-display area disposed surrounding edges of the display area, and a first hole formed in the display area;
a circuit element layer which is disposed on the substrate and comprises a transistor;
a display element layer which is disposed on the circuit element layer, the display element layer comprising a light emitting element disposed in the display area and electrically connected to the transistor;
a thin-film encapsulation layer which is disposed on the display element layer; and
an input sensing layer which is disposed on the thin-film encapsulation layer, the input sensing layer comprising:
a first sensing electrode and a second sensing electrode disposed in the display area, the first sensing electrode and the second sensing electrode spaced apart by the first hole; and
a connection wiring connecting the first sensing electrode and the second sensing electrode,
wherein the connection wiring is disposed between the display area and the first hole.

17. The display device of claim 16 , wherein the first sensing electrode, the second sensing electrode and the connection wiring comprise a metal conductive layer of a metal mesh pattern.

18. The display device of claim 16 , wherein the substrate, the circuit element layer, and the input sensing layer form the hole therethrough.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Chang Bum
• Kim Hyung Chul
• Park Jung Mok
• Kim Young Sik
• Yoo Young Seok

Classifications

• H10K50/844

  Encapsulations · CPC title

• H10K50/865

  comprising light absorbing layers, e.g. light-blocking layers · CPC title

• H10K59/8792

  comprising light absorbing layers, e.g. black layers · CPC title

• H10K59/873

  Encapsulations · CPC title

• G06F3/0445 Primary

  using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer · CPC title