Display apparatus including a shielding conductive layer

Patent metadata

Field	Value
Publication number	US-12426451-B2
Application number	US-202217950227-A
Country	US
Kind code	B2
Filing date	Sep 22, 2022
Priority date	Dec 13, 2018
Publication date	Sep 23, 2025
Grant date	Sep 23, 2025

Abstract

A display apparatus including a shielding conductive layer is disclosed. The display apparatus includes a substrate, a driving thin film transistor disposed on the substrate, wherein the driving thin film transistor includes a driving semiconductor layer and a driving gate electrode, a scan line overlapping the substrate and extending in a first direction, a data line extending in a second direction crossing the first direction, wherein the data line is insulated from the scan line by an insulating layer, a node connection line disposed on a same layer as the scan line, and a shielding conductive layer disposed between the data line and the node connection line, in which a first end of the node connection line is connected to the driving gate electrode via a first node contact hole.

First claim

What is claimed is:

1. A display apparatus comprising:
a substrate;
a thin film transistor disposed on the substrate, the thin film transistor includes a semiconductor layer and a gate electrode;
a first line disposed on a same layer as the gate electrode and extending in a first direction;
a horizontal line disposed on a layer different from the first line and extending in the first direction; and
a vertical line disposed on a layer different from the first line and the horizontal line, and extending in a second direction crossing the first direction,
wherein the gate electrode is provided as a part of the first line, and a first region of the semiconductor layer is connected to the horizontal line, and
wherein the horizontal line extends continuously in the first direction to overlap opposite sides of each of a data line and the vertical line.

2. The display apparatus of claim 1 , wherein the horizontal line is connected to the vertical line through a contact hole.

3. The display apparatus of claim 1 , wherein a second region of the semiconductor layer is connected to a driving thin film transistor.

4. The display apparatus of claim 1 , further comprising a scan line extending in the first direction, wherein the scan line is disposed on a same layer as the horizontal line.

5. The display apparatus of claim 1 , wherein the first line is disposed closer to an upper surface of the substrate than the horizontal line.

6. The display apparatus of claim 1 , wherein the first line is disposed closer to an upper surface of the substrate than the vertical line.

7. The display apparatus of claim 1 , wherein the horizontal line is disposed closer to an upper surface of the substrate than the vertical line.

8. A display apparatus comprising:
a substrate;
a thin film transistor disposed on the substrate, the thin film transistor includes a semiconductor layer and a gate electrode;
a first insulating layer disposed between the semiconductor layer and the gate electrode;
a first line disposed on the first insulating layer;
a second insulating layer covering the gate electrode and the first line;
a third insulating layer disposed on the second insulating layer;
a horizontal line disposed on the third insulating layer and extending in a first direction;
a fourth insulating layer disposed on the horizontal line, and
a vertical line disposed on the fourth insulating layer and extending in a second direction crossing the first direction,
wherein the gate electrode is provided as a part of the first line, and a first region of the semiconductor layer is connected to the horizontal line, and
wherein the horizontal line extends continuously in the first direction to overlap a data line and the vertical line.

9. The display apparatus of claim 8 , wherein the vertical line is connected to the horizontal line through a contact hole defined in the fourth insulating layer.

10. The display apparatus of claim 8 , wherein a second region of the semiconductor layer is connected to a driving thin film transistor.

11. The display apparatus of claim 8 , wherein the first line extends in the first direction.

12. The display apparatus of claim 8 , further comprising a scan line extending in the first direction, wherein the scan line is disposed on a same layer as the horizontal line.

13. A display apparatus comprising:
a substrate;
a driving thin film transistor disposed on the substrate, the driving thin film transistor includes a driving semiconductor layer and a driving gate electrode;
a storage capacitor including a lower electrode and an upper electrode over the lower electrode, the lower electrode is integral with the driving gate electrode,
a horizontal line disposed on a layer different from the lower electrode and the upper electrode, and extending in a first direction; and
a vertical line disposed on a layer different from the horizontal line, and extending in a second direction crossing the first direction,
wherein the vertical line is connected to the upper electrode, and
wherein the horizontal line extends continuously to overlap a data line.

14. The display apparatus of claim 13 , wherein the horizontal line is connected to the vertical line through a contact hole.

15. The display apparatus of claim 13 , wherein the horizontal line is disposed closer to an upper surface of the substrate than the vertical line.

16. The display apparatus of claim 13 , further comprising a scan line extending in the first direction, wherein the scan line is disposed on a same layer as the horizontal line.

17. The display apparatus of claim 13 , further comprising a first line disposed on a same layer as the driving gate electrode and extending in the first direction.

18. The display apparatus of claim 13 , further comprising a conductive layer protruded from the upper electrode of the storage capacitor.

19. The display apparatus of claim 18 , further comprising a scan line extending in the first direction, wherein the scan line overlaps the conductive layer.

20. The display apparatus of claim 19 , wherein the scan line is disposed on a same layer as the horizontal line.

Assignees

• Samsung Display Co Ltd

Inventors

• Lee Wonse
• Kim Kyunghoon

Classifications

• H10W42/00

  Arrangements for protection of devices (arrangements for thermal protection H10W40/00) · CPC title

• H10D86/481

  integrated with passive devices, e.g. auxiliary capacitors · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10D1/692

  Electrodes · CPC title