Display apparatus

Patent metadata

Field	Value
Publication number	US-12382801-B2
Application number	US-202218046420-A
Country	US
Kind code	B2
Filing date	Oct 13, 2022
Priority date	Jan 11, 2022
Publication date	Aug 5, 2025
Grant date	Aug 5, 2025

Abstract

A display apparatus includes: a substrate including a display area, and a peripheral area outside the display area; a common voltage supply line including a first common voltage input unit, a second common voltage input unit, and a body portion; a common voltage division line including a first division line branching from the first common voltage input unit, a second division line branching from the second common voltage input unit, and a third division line connecting the first division line and the second division line to each other; a first common voltage line connected to the third division line, and extending in a first direction to cross the display area; and a second common voltage line connected to the first division line or the second division line, and extending in a second direction crossing the first direction to cross the display area.

First claim

What is claimed is:

1. A display apparatus comprising:
a substrate comprising a display area, and a peripheral area outside the display area;
a common voltage supply line comprising a first common voltage input unit and a second common voltage input unit at the peripheral area and adjacent to a first edge of the display area, and a body portion connecting the first common voltage input unit and the second common voltage input unit to each other;
a common voltage division line comprising a first division line branching from the first common voltage input unit, a second division line branching from the second common voltage input unit, and a third division line connecting the first division line and the second division line to each other;
a first common voltage line connected to the third division line, and extending in a first direction to cross the display area; and
a second common voltage line connected to the first division line or the second division line, and extending in a second direction crossing the first direction to cross the display area.

2. The display apparatus of claim 1 , further comprising a first organic layer extending to the peripheral area from the display area, and covering the common voltage division line,
wherein the first organic layer comprises a first opening between the body portion and the common voltage division line.

3. The display apparatus of claim 2 , wherein the body portion is spaced from the first opening.

4. The display apparatus of claim 2 , further comprising:
a light-emitting diode at the display area, and comprising a pixel electrode, an emission layer, and an opposite electrode; and
a metal pattern at the peripheral area, and electrically connecting the body portion and the opposite electrode to each other.

5. The display apparatus of claim 4 , wherein the metal pattern is located on the first organic layer,
wherein the first organic layer includes a second opening exposing an upper surface of the common voltage division line, and
wherein the metal pattern and the common voltage division line are in direct contact with each other in the second opening.

6. The display apparatus of claim 4 , wherein a boundary of the opposite electrode overlaps with a boundary of the first organic layer, or is located adjacent to the boundary of the first organic layer.

7. The display apparatus of claim 4 , further comprising a second organic layer between the metal pattern and the opposite electrode,
wherein the second organic layer includes a second opening overlapping with the first opening of the first organic layer, and
wherein the opposite electrode is in contact with the metal pattern in the second opening.

8. The display apparatus of claim 4 , wherein the pixel electrode and the metal pattern are located at a same layer as each other.

9. The display apparatus of claim 4 , wherein the metal pattern includes a plurality of through-holes.

10. The display apparatus of claim 1 , wherein the common voltage division line and the first common voltage line are located at a same layer as each other.

11. The display apparatus of claim 1 , wherein the body portion comprises:
a first metal line at the peripheral area;
a second metal line on the first metal line; and
a third metal line on the second metal line.

12. The display apparatus of claim 11 , wherein the common voltage division line is located at a same layer as that of the third metal line.

13. The display apparatus of claim 11 , wherein the second common voltage line comprises:
a first horizontal connection portion protruding in the second direction from the first division line;
a second horizontal connection portion protruding in an opposite direction to the second direction from the second division line; and
a horizontal voltage line between the first horizontal connection portion and the second horizontal connection portion.

14. The display apparatus of claim 13 , wherein the first horizontal connection portion and the second horizontal connection portion are located at a same layer as that of the common voltage division line, and
the horizontal voltage line is located at a different layer from that of the common voltage division line.

15. The display apparatus of claim 1 , further comprising a first driving circuit located between the body portion and the first division line.

16. The display apparatus of claim 1 , further comprising a second driving circuit located between the body portion and the second division line.

17. The display apparatus of claim 1 , wherein the common voltage supply line further comprises a third common voltage input unit between the first common voltage input unit and the second common voltage input unit, and
wherein a portion of the first common voltage line extends to the third division line from the third common voltage input unit.

18. The display apparatus of claim 17 , further comprising:
a first data line located at one side with respect to a virtual line passing through the third common voltage input unit;
a first data input line at the peripheral area; and
a first connection line at the display area and connecting the first data input line and the first data line to each other.

19. The display apparatus of claim 18 , wherein the first connection line comprises:
a vertical connection line extending in the first direction; and
a horizontal connection line crossing the vertical connection line, and
wherein the first common voltage line and the vertical connection line are located at a same layer as each other.

20. The display apparatus of claim 19 , wherein the second common voltage line comprises a horizontal voltage line extending in the second direction at the display area, and
wherein the horizontal connection line and the horizontal voltage line are located at a same layer as each other.

Assignees

• Samsung Display Co Ltd

Inventors

• Park Beomyeol
• Park Jiryun
• Yeo Inhyuck
• Jung Eunae
• Cho Seunghwan
• Choi Wonsuk
• Choi Yoonsun

Classifications

• H10K59/124

  Insulating layers formed between TFT elements and OLED elements · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/423

  comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• G09G2380/02

  Flexible displays · CPC title