Display apparatus

Patent metadata

Field	Value
Publication number	US-11690262-B2
Application number	US-202017107809-A
Country	US
Kind code	B2
Filing date	Nov 30, 2020
Priority date	Jun 1, 2020
Publication date	Jun 27, 2023
Grant date	Jun 27, 2023

Abstract

A display apparatus includes: a display area; a peripheral area on an outer portion of the display area; a substrate; a thin film transistor on the substrate and comprising a semiconductor layer and a gate electrode overlapping at least a portion of the semiconductor layer; a plurality of data lines in the display area and extending in a first direction; a plurality of input lines in the peripheral area; a plurality of connecting lines in the display area that electrically connect the plurality of data lines to the plurality of input lines; a power voltage line on the substrate and extending in the first direction; and an initialization voltage line on the substrate and extending in a second direction intersecting the first direction, wherein a part of each of the plurality of connecting lines overlaps at least one of the power voltage line or the initialization voltage line.

First claim

What is claimed is:

1. A display apparatus including a display area and a peripheral area outside of the display area, the display apparatus comprising:
a substrate;
a thin film transistor on the substrate and comprising a semiconductor layer and a gate electrode overlapping at least a portion of the semiconductor layer;
a plurality of data lines in the display area and extending in a first direction;
a plurality of input lines in the peripheral area;
a plurality of connecting lines in the display area that electrically connect the plurality of data lines to the plurality of input lines;
a power voltage line on the substrate and extending in the first direction; and
an initialization voltage line on the substrate and extending in a second direction intersecting the first direction,
wherein a part of each of the plurality of connecting lines overlaps the power voltage line and the initialization voltage line,
wherein each of the plurality of connecting lines comprises:
a first main body extending in the first direction and overlapping the power voltage line; and
a second main body extending in the second direction and overlapping the initialization voltage line.

2. The display apparatus of claim 1 , wherein the plurality of connecting lines are between the substrate and the semiconductor layer.

3. The display apparatus of claim 1 , wherein each of the plurality of connecting lines further comprises:
a plurality of first branch portions extending from the first main body in the second direction; and
a plurality of second branch portions extending from the second main body in the first direction.

4. The display apparatus of claim 3 , wherein the first branch portions overlap the initialization voltage line, and
the second branch portions overlap the power voltage line.

5. The display apparatus of claim 3 , wherein a first one of the first branch portions has an extension length that is different from an extension length of a second one of the first branch portions, and
a first one of the second branch portions has an extension length that is different from an extension length of a second one of the second branch portions.

6. The display apparatus of claim 1 , wherein the plurality of connecting lines comprise a first connecting line and a second connecting line that are adjacent to each other,
each of the first connecting line and the second connecting line comprises:
a first main body extending in the first direction;
a plurality of first branch portions extending from the first main body in the second direction;
a second main body connected to the first main body and extending in the second direction; and
a plurality of second branch portions extending from the second main body in the first direction,
the first branch portions of the first connecting line and the first branch portions of the second connecting line respectively face each other and are separated from each other with a plurality of first gaps therebetween, and
the second branch portions of the first connecting line and the second branch portions of the second connecting line respectively face each other and are separated from each other with a plurality of second gaps therebetween.

7. The display apparatus of claim 6 , wherein the plurality of first gaps and the plurality of second gaps are randomly provided between the first connecting line and the second connecting line.

8. The display apparatus of claim 1 , wherein the plurality of data lines and the plurality of connecting lines are at different layers from each other.

9. The display apparatus of claim 1 , wherein the initialization voltage line is on a same layer as the gate electrode.

10. The display apparatus of claim 1 , further comprising an insulating layer covering the thin film transistor,
wherein the power voltage line is on the insulating layer.

11. The display apparatus of claim 1 , wherein the plurality of connecting lines include at least one of aluminum (Al), titanium (Ti), or titanium nitride (TiN).

12. A display apparatus including a display area and a peripheral area outside of the display area, the display apparatus comprising:
a substrate;
a plurality of data lines on the substrate in the display area and extending in a first direction;
a pad portion in the peripheral area and configured to provide electrical signals;
a plurality of input lines in the peripheral area and electrically connected to the pad portion;
a plurality of connecting lines in the display area and electrically connecting the plurality of data lines to the plurality of input lines;
a first voltage line on the substrate and extending in the first direction; and
a second voltage line on the substrate and extending in a second direction intersecting the first direction,
wherein a part of each of the plurality of connecting lines overlaps the first voltage line and the second voltage line,
wherein each of the plurality of connecting lines further comprises:
a first main body extending in the first direction and overlapping the first voltage line; and
a second main body extending in the second direction and overlapping the second voltage line.

13. The display apparatus of claim 12 , further comprising a thin film transistor on the substrate and comprising a semiconductor layer and a gate electrode overlapping at least a portion of the semiconductor layer,
wherein the plurality of connecting lines are between the substrate and the semiconductor layer.

14. The display apparatus of claim 12 , wherein each of the plurality of connecting lines further comprises:
a plurality of first branch portions extending from the first main body in the second direction; and
a plurality of second branch portions extending from the second main body in the first direction.

15. The display apparatus of claim 14 , wherein the first branch portions overlap the second voltage line, and
the second branch portions overlap the first voltage line.

16. The display apparatus of claim 12 , wherein the plurality of connecting lines comprise a first connecting line and a second connecting line that are adjacent to each other,
each of the first connecting line and the second connecting line comprises:
a first main body extending in the first direction;
a plurality of first branch portions extending from the first main body in the second direction;
a second main body connected to the first main body and extending in the second direction; and
a plurality of second branch portions extending from the second main body in the first direction,
the first branch portions of the first connecting line and the first branch portions of the second connecting line respectively face each other and are separated from each other with a plurality of first gaps therebetween, and
the second branch portions of the first connecting line and the second branch portions of the second connecting line respectively face each other and are separated from each other with a plurality of second gaps therebetween.

17. The display apparatus of claim 16 , wherein the plurality of first gaps and the plurality of second gaps are randomly provided between the first connecting line and the second connecting line.

18. The display apparatus of claim 12 , wherein the plurality of connecting lines include at least one of aluminum (Al), titanium (Ti), or titanium nitride (TiN).

Assignees

• Samsung Display Co Ltd

Inventors

• Park Beomsoo
• Lee Seungchan
• Lee Wangjo
• Cho Jaebum

Classifications

• H10D86/451

  characterised by the compositions or shapes of the interlayer dielectrics · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H01L27/3276 Primary

  Electricity · mapped topic

• H10K59/12 Primary

  Active-matrix OLED [AMOLED] displays · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title