Display apparatus

Patent metadata

Field	Value
Publication number	US-11935903-B2
Application number	US-202217832445-A
Country	US
Kind code	B2
Filing date	Jun 3, 2022
Priority date	Nov 30, 2018
Publication date	Mar 19, 2024
Grant date	Mar 19, 2024

Abstract

A display apparatus includes a substrate, a display unit, a wire structure, and a first power supply structure. The substrate includes a display area, a first non-display area neighboring the display area, a second non-display area, and a bending area between the first non-display area and the second non-display area. The display unit is on the display area. The wire structure is on the first non-display area, the bending area, and the second non-display area and includes a first wire set and a second wire set overlapping the bending area and spaced from each other. The first power supply structure includes a first conductive line and a second conductive line on the first non-display area and the second non-display area, respectively, and includes a connection line connecting the first conductive line to the second conductive line and positioned between the first wire set and the second wire set. optimized.

First claim

What is claimed is:

1. A display apparatus comprising:
a substrate including a display area, a first non-display area adjacent to the display area, a second non-display area, and a bending area connected between the first non-display area and the second non-display area;
a display unit including a pixel positioned on the display area;
a wire structure comprising a plurality of wirings positioned on the first non-display area, the bending area, and the second non-display area; and
a first power supply structure, the first power supply structure comprising:
a first conductive line extending in a first direction on the first non-display area;
a second conductive line extending in the first direction on the second non-display area; and
a first connection line extending in a second direction intersecting the first direction on the bending area and connecting the first conductive line to the second conductive line,

wherein each of the plurality of wirings includes a first tilted portion extending in a diagonal direction on the first non-display area and a second tilted portion extending in the diagonal direction on the second non-display area,
the first conductive line overlaps the first tilted portion and the second conductive line overlaps the second tilted portions, and
the first connection line is disposed in a separation area between two adjacent wirings among the plurality of wirings, and does not overlap the plurality of wirings of the wire structure.

2. The display apparatus of claim 1 ,
wherein the first tilted portions of the plurality of wirings in the first non-display area are disposed at equal intervals from each other.

3. The display apparatus of claim 1 ,
wherein the plurality of wirings of the wire structure comprises a first wirings and a second wirings spaced apart from each other.

4. The display apparatus of claim 3 , wherein:
the plurality of wirings of the wire structure are parallel to the first connection line on the bending area,
the first wirings are disposed at equal intervals from each other on the bending area,
the second wirings are disposed at an equal interval from each other on the bending area, and
one of the second wirings that is closest to the first wirings, and one of the first wirings that is closest to the second wirings, corresponds to the two adjacent wirings with the separation area therebetween.

5. The display apparatus of claim 1 ,
wherein the first power supply structure is electrically connected to an electrode of the display unit.

6. The display apparatus of claim 1 , further comprising:
a second power supply structure positioned on the first non-display area, the bending area, and the second non-display area, wherein
the second power supply structure is disposed outside the first power supply structure so as to be closer to an edge of the substrate than the first power supply structure.

7. The display apparatus of claim 6 ,
wherein the display unit comprises a pixel electrode, a common electrode overlapping the pixel electrode, and an emission layer between the pixel electrode and the common electrode, and wherein the second power supply structure is electrically connected to the common electrode.

8. The display apparatus of claim 6 , wherein at least a part of the second power supply structure overlaps the wire structure.

9. The display apparatus of claim 1 ,
wherein a width of the second conductive line in the first direction is greater than a width in the first direction of the wire structure disposed in the second non-display area.

10. The display apparatus of claim 1 ,
wherein an end of the first conductive line is located outside the wire structure disposed in the first non-display area.

11. The display apparatus of claim 1 ,
wherein each of the plurality of wirings of the wire structure includes a first conductive portion disposed on the first non-display area, a second conductive portion disposed on the second non-display area, and a connection portion disposed on the bending area, and
the connecting conductive layer electrically connects the first conductive portion to the second conductive portion.

12. The display apparatus of claim 11 , further comprising:
an insulating layer interposed between the connection portion and the first conductive portion and, between the connection portion and the second conductive portion, and
wherein the connection portion and the first conductive portion are connected to each other through a first contact hole penetrating the insulating layer, and the connecting portion and the second conductive portion are connected to each other through a second contact hole penetrating the insulating layer.

13. The display apparatus of claim 11 , further comprising:
an inorganic insulating layer extending from the display area and disposed on the non-display area, and
wherein the inorganic insulating layer has an opening exposing an upper surface of the substrate corresponding to the bending area, and
an organic material layer is located in the opening.

14. The display apparatus of claim 13 ,
wherein at least a portion of the connecting portion is in direct contact with the upper surface of the organic material layer.

15. The display apparatus of claim 11 ,
wherein the pixel comprises a thin-film transistor and a light-emitting device connected to the thin-film transistor,
the thin-film transistor comprises a semiconductor layer, a gate electrode overlapping the semiconductor layer, and an electrode layer electrically connected to the semiconductor layer, and
the first conductive layer and the second conductive layer comprise a same material as the gate electrode, and wherein the connection layer comprises a same material as the electrode layer.

16. The display apparatus of claim 1 , further comprising:
a touch unit positioned above the display unit; and
a bridge structure positioned in at least one of the first non-display area and the second non-display area to supply power to the touch unit.

17. The display apparatus of claim 16 ,
wherein the bridge structure is spaced apart from the wire structure and located on the outside of the wire structure.

18. The display apparatus of claim 16 , further comprising:
a second power supply structure positioned in the first non-display area, the bending area, and the second non-display area, and
the second power supply structure is disposed outside the first power supply structure so as to be closer to the edge of the substrate than the first power supply structure,
wherein the bridge structure is located between the wire structure and the second power supply wiring.

19. The display apparatus of claim 16 ,
wherein the second power supply structure comprises a third conductive line and a fourth conductive line positioned in the first direction on the first non-display area and the second non-display area, respectively, and a second connection line arranged in a second direction intersecting the first direction and connecting the third conductive line to the fourth conductive line.

20. The display apparatus of claim 19 ,
wherein in the first non-display area, the first conductive line and the third conductive line are parallel to each other, and the bridge structure is spaced apart from the third conductive line.

Assignees

• Samsung Display Co Ltd

Inventors

• Park Hyungjun
• Kim Jaewon
• Sung Seungwoo
• An Junyong
• Yoon Youngsoo
• Youn Ilgoo
• Lee Jieun
• In Yunkyeong
• Jang Donghyeon
• Jo Junyoung

Classifications

• H10D86/443 Primary

  adapted for preventing breakage, peeling or short circuiting · CPC title

• H10D86/60 Primary

  wherein the TFTs are in active matrices · CPC title

• H10D86/411

  characterised by materials, geometry or structure of the substrates · CPC title

• H10K77/111

  Flexible substrates · CPC title

• H10K2102/311

  Flexible OLED · CPC title