Display device

Patent metadata

Field	Value
Publication number	US-9893093-B2
Application number	US-201615344690-A
Country	US
Kind code	B2
Filing date	Nov 7, 2016
Priority date	Apr 5, 2016
Publication date	Feb 13, 2018
Grant date	Feb 13, 2018

Abstract

A display device includes a substrate including a pixel area and a peripheral area located outside the pixel area; pixels located in the pixel area; power supply lines configured to provide an operating power to the pixels; and a plurality of data fanout wires configured to provide data signals to the pixels, wherein, in at least a portion of the peripheral area, the power supply lines and the plurality of data fanout wires are arranged on a same layer.

First claim

What is claimed is:

1. A display device, comprising:
a substrate comprising a pixel area and a peripheral area located outside the pixel area;
pixels located in the pixel area;
power supply lines configured to provide an operating power to the pixels; and
a plurality of data fanout wires configured to provide data signals to the pixels,
wherein, in at least a portion of the peripheral area, the power supply lines and the plurality of data fanout wires are arranged on a same layer,
wherein a first power supply line is disposed along a first side of the pixel area between the pixel area and the peripheral area, and
wherein a second power supply line is disposed along second, third and fourth sides of the pixel area, the first and third sides of the pixel area are opposite each other, and the second and fourth sides of the pixel area are opposite each other.

2. The display device according to claim 1 ,
wherein the substrate comprises a first plane area in which the pixel area is located;
a first bending area located at one side of the first plane area; and
a second plane area located at one side of the first bending area.

3. The display device according to claim 2 ,
wherein the power supply lines and the plurality of data fanout wires are located on a same layer in the first bending area.

4. The display device according to claim 2 ,
wherein, in the first bending area, the plurality of data fanout wires comprise:
a first data fanout wire part, a second data fanout wire part spaced apart from the first data fanout wire part by a first distance, a third data fanout wire part spaced apart from the second data fanout wire part by a second distance, and a fourth data fanout wire part spaced apart from the third data fanout wire part by a third distance.

5. The display device according to claim 4 ,
wherein, in the first bending area, at least one of the power supply lines is located between the first data fanout wire part and the second data fanout wire part, between the second data fanout wire part and the third data fanout wire part, or between the third data fanout wire part and the fourth data fanout wire part.

6. The display device according to claim 5 , further comprising:
a pad portion arranged at one side of the second plane area,
wherein the power supply lines are electrically connected to the pad portion.

7. The display device according to claim 6 ,
wherein
the first power supply line comprises a first connecting part configured to be connected to the pad portion, and
the second power supply line is configured to be connected to the pad portion, and comprises a pair of second connecting parts located at both sides of the first connecting part.

8. The display device according to claim 7 ,
wherein, in the first bending area, the first connecting part is located between the second data fanout wire part and the third data fanout wire part.

9. The display device according to claim 7 ,
wherein, in the first bending area, one second connecting part of the pair of second connecting parts is located between the first data fanout wire part and the second data fanout wire part, and the other second connecting part of the pair of second connecting parts is located between the third data fanout wire part and the fourth data fanout wire part.

10. The display device according to claim 9 ,
wherein the pair of second connecting parts is configured to extend from the pad portion to one side of the first bending area contacting the first plane area in a straight line.

11. The display device according to claim 7 ,
wherein a layer in the first bending area where the plurality of data fanout wires are located and a layer in the first plane area where the plurality of data fanout wires are located are different from each other.

12. The display device according to claim 7 ,
wherein a layer in the first bending area where the second connecting part is disposed and a layer in the first plane area where the second connecting part is disposed are different from each other.

13. The display device according to claim 7 ,
wherein, in the first plane area, a layer where the plurality of data fanout wires are disposed and a layer where the second connecting part is disposed is are different from each other.

14. The display device according to claim 7 ,
wherein a first voltage applied to the first power supply line is greater than a second voltage applied to the second power supply line.

15. The display device according to claim 14 ,
wherein each of the pixels comprises a light emitting diode and at least one thin film transistor, and
the light emitting diode comprises a first electrode electrically connected to the thin film transistor, and a second electrode facing the first electrode.

16. The display device according to claim 15 ,
wherein the first voltage is applied to the first electrode, and the second voltage is applied to the second electrode.

17. The display device according to claim 4 ,
wherein at least one of the plurality of data fanout wires has a greater width in the first plane area than in the first bending area.

18. The display device according to claim 4 ,
wherein at least one of the plurality of data fanout wires has a greater width in the second plane area than in the first bending area.

19. The display device according to claim 17 ,
wherein the width of at least one of the plurality of data fanout wires in the first plane area increases as a distance from the pad portion to the pixel area increases.

20. The display device according to claim 18 ,
wherein the width of at least one of the plurality of data fanout wires in the second plane area increases as a distance from the pad portion to the pixel area increases.

21. A display device, comprising:
a substrate comprising a first plane area, a second plane area and a bent area disposed between the first and second plane areas;
a plurality of data fanout wires disposed in first plane area, the second plane area and the bent area; and
a plurality of power wires disposed in first plane area, the second plane area and the bent area,
wherein the power wires and the data fanout wires are included in a same layer in the bent area and the power wires and the data fanout wires are included in different layers in the first or second plane areas,
wherein a first power wire is disposed along a first side of the first plane area between the first plane area and the bent area, and
wherein a second power wire is disposed along second, third and fourth sides of the first plane area, the first and third sides of the first plane area are opposite each other, and the second and fourth sides of the first plane area are opposite each other.

22. A display device, comprising:
a substrate comprising a first plane area, a second plane area and a bent area disposed between the first and second plane areas;
a plurality of data fanout wire areas disposed in the bent area; and
a first portion of a first power wire disposed between at least two pairs of the data fanout wire areas in the bent area,
wherein the data fanout wires areas and the first portion of the first power wire are disposed in a same layer in the bent area,
wherein a second portion of the first power wire is disposed along a first side of the first plane area, and
wherein a second power wire is disposed along a second side of the first plane area opposite the first side of the first plane area.

23. A dis

Assignees

• Samsung Display Co Ltd
• Samsung Display Co Ltd

Inventors

• Kim Yang Wan
• Kwon Sun Ja
• Kim Byung Sun
• Park Hyun Ae
• Lee Su Jin
• Lee Jae Yong

Classifications

• H01L27/124 Primary

  Electricity · mapped topic

• H10D86/411

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

• H10D86/441 Primary

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60 Primary

  wherein the TFTs are in active matrices · CPC title

• H10K77/111

  Flexible substrates · CPC title