IP Library Granted Patent US 12,471,467
Granted Patent B2
US 12,471,467 · App. 18/788,141 · Granted Nov 11, 2025

Display device and electronic device having the same

Inventors: Cheol Gon Lee (Yongin-si, KR); So Il Yoon (Yongin-si, KR); Kyung Hoe Lee (Yongin-si, KR); Mu Kyung Jeon (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/131H10K59/126H10K59/65H10K59/88G06V40/1318
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Quick Facts
Patent No.
US 12,471,467
App. No.
18/788,141
Granted
Nov 11, 2025
Kind
B2
Abstract

A display device may include: a substrate including a display area which includes a first area and a second area and a non-display area; data lines located in the first area and the second area; readout lines located in the first area and the second area, the readout lines being spaced apart from the data lines; connection lines extending from the first area to the second area, the connection lines being electrically connected to corresponding readout lines disposed in the second area; and bridge lines extending from the second area to the first area, the bridge lines being electrically connected to corresponding data lines disposed in the first area. The connection lines and the bridge lines does not overlap with each other.

Claims (62)

1 . A display device comprising:

a substrate including a display area which includes a first area and a second area, and a non-display area;

a plurality of data lines located in the first area and the second area;

a plurality of readout lines located in the first area and the second area, the plurality of readout lines being spaced apart from the plurality of data lines, respectively;

a plurality of connection lines extending from the first area to the second area, the plurality of connection lines being electrically connected to corresponding readout lines disposed in the second area; and

a plurality of bridge lines extending from the second area to the first area, the plurality of bridge lines being electrically connected to corresponding data lines disposed in the first area,

wherein the plurality of connection lines and the plurality of bridge lines do not overlap with each other,

wherein the plurality of connection lines includes a plurality of horizontal connection lines extending from the first area to the second area along a first direction and a plurality of vertical connection lines which are located in the first area and extend in a second direction intersecting the first direction, and

wherein the plurality of bridge lines includes a plurality of horizontal bridge lines extending from the second area to the first area along the first direction and a plurality of vertical bridge lines which are located in the second area and extend in the second direction.

2 . The display device of claim 1 , further comprising:

a plurality of first lines located in a fan-out area which is disposed in the non-display area, the plurality of first lines being electrically connected to the plurality of connection lines, respectively;

a plurality of second lines located in the fan-out area, the plurality of second lines being electrically connected to the plurality of bridge lines, respectively; and

a pad part located in a pad area which is disposed in the non-display area,

wherein the pad part includes a first pad part including a plurality of first pads electrically connected to the plurality of first lines, respectively, and a second pad part including a plurality of second pads electrically connected to the plurality of second lines, respectively, and

wherein the plurality of first lines are disposed at both sides of the plurality of second lines, and the first pad part is disposed at both sides of the second pad part.

3 . The display device of claim 2 , wherein the plurality of readout lines disposed in the first area is directly connected to corresponding first pads, and

wherein the plurality of data lines disposed in the second area is directly connected to corresponding second pads.

4 . The display device of claim 1 , further comprising:

a plurality of first lines located in a fan-out area which is disposed in the non-display area, the plurality of first lines being electrically connected to the plurality of connection lines, respectively;

a plurality of second lines located in the fan-out area, the plurality of second lines being electrically connected to the plurality of bridge lines, respectively; and

a pad part located in a pad area which is disposed in the non-display area,

wherein the pad part includes a first pad part electrically connected to the plurality of first lines and a second pad part electrically connected to the plurality of second lines, and

wherein the plurality of second lines are disposed at both sides of the plurality of first lines, and the second pad part is disposed at both sides of the first pad part.

5 . The display device of claim 1 , wherein the plurality of vertical connection lines, the plurality of vertical bridge lines, the plurality of data lines, and the plurality of readout lines are disposed in the same layer.

6 . The display device of claim 1 , wherein the plurality of data lines disposed in the first area is electrically connected to the plurality of vertical bridge lines through the plurality of horizontal bridge lines, respectively, and

wherein the plurality of readout lines disposed in the second area is electrically connected to the plurality of vertical connection lines through the plurality of horizontal connection lines, respectively.

7 . The display device of claim 6 , wherein an insulating layer is disposed between one ends of the plurality of horizontal bridge lines and the plurality of vertical bridge lines and between the other ends of the plurality of horizontal bridge lines and the plurality of data lines, and

wherein the insulating layer is disposed between one ends of the plurality of horizontal connection lines and the plurality of vertical connection lines and between the other ends of the plurality of horizontal connection lines and the plurality of readout lines.

8 . The display device of claim 7 , wherein the one ends of the plurality of horizontal bridge lines are electrically connected to the plurality of vertical bridge lines through first contact holes formed through the insulating layer, and the other ends of the plurality of horizontal bridge lines are electrically connected to the plurality of data lines through second contact holes formed through the insulating layer, and

wherein the one ends of the plurality of horizontal connection lines are electrically connected to the plurality of vertical connection lines through third contact holes formed through the insulating layer, and the other ends of the plurality of horizontal connection lines are electrically connected to the plurality of readout lines through fourth contact holes formed through the insulating layer.

9 . The display device of claim 1 , wherein, in the first area, the plurality of vertical connection lines, the plurality of readout lines, and the plurality of data lines are disposed to be spaced apart from each other,

wherein, in the second area, the plurality of vertical bridge lines, the plurality of readout lines, and the plurality of data lines are disposed to be spaced apart from each other, and

wherein the plurality of horizontal connection lines and the plurality of horizontal bridge lines are disposed to be spaced apart from each other.

10 . The display device of claim 1 , wherein the plurality of horizontal connection lines and the plurality of vertical connection lines are disposed in different layers, and

wherein the plurality of horizontal bridge lines and the plurality of vertical bridge lines are disposed in different layers.

11 . The display device of claim 1 , wherein the plurality of horizontal connection lines and the plurality of horizontal bridge lines are disposed in the same layer, and

wherein the plurality of vertical connection lines and the plurality of vertical bridge lines are disposed in the same layer.

12 . The display device of claim 1 , wherein the plurality of horizontal connection lines and the plurality of horizontal bridge lines are disposed in different layers.

13 . The display device of claim 1 , further comprising a dummy line disposed between the plurality of connection lines and the plurality of bridge lines in the display area, respectively,

wherein a DC signal having a constant level is applied to the dummy line.

14 . The display device of claim 13 , wherein the dummy line includes:

a plurality of horizontal dummy lines extending from the first area to the second area along the first direction;

a plurality of first vertical dummy lines located in the first area, the plurality of first vertical dummy lines extending in the second direction; and

a plurality of second vertical dummy lines located in the second area, the plurality of second vertical dummy lines extending in the second direction.

15 . The display device of claim 14 , wherein the plurality of horizontal dummy lines are disposed between the plurality of horizontal bridge lines and the plurality of horizontal connection lines, respectively, and

wherein the plurality of vertical dummy lines are disposed between the plurality of vertical bridge lines and the plurality of vertical connection lines, respectively.

16 . The display device of claim 15 , wherein the plurality of horizontal dummy lines, the plurality of horizontal bridge lines, and the plurality of horizontal connection lines are disposed in the same layer, and

wherein the plurality of vertical dummy lines, the plurality of vertical bridge lines, and the plurality of vertical connection lines are disposed in the same layer.

17 . The display device of claim 15 , wherein the plurality of vertical dummy lines, the plurality of vertical bridge lines, and the plurality of vertical connection lines are disposed in the same layer, and

wherein the plurality of horizontal dummy lines are disposed in a layer different from a layer in which the plurality of horizontal bridge lines and the plurality of horizontal connection lines are disposed.

18 . The display device of claim 1 , further comprising a plurality of sub-pixels which are located in the display area and each includes a light emitting element emitting light and photo sensing pixels which are located in the display area and each including a light receiving element outputting a sensing signal corresponding to the light.

19 . An electronic device comprising:

a processor configured to provide input image data to a display device; and

the display device configured to display an image based on the input image data,

wherein the display device includes:

a substrate including a display area which includes a first area and a second area, and a non-display area;

a plurality of data lines located in the first area and the second area;

a plurality of readout lines located in the first area and the second area, the plurality of readout lines being spaced apart from the plurality of data lines;

a plurality of connection lines extending from the first area to the second area, the plurality of connection lines being electrically connected to corresponding readout lines disposed in the second area;

a plurality of bridge lines extending from the second area to the first area, the plurality of bridge lines being electrically connected to corresponding data lines disposed in the first area; and

a plurality of dummy lines disposed between the plurality of connection lines and the plurality of bridge lines in the display area, respectively,

wherein a DC signal having a constant level is applied to the dummy line.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 30, 2024
From: LEE, CHEOL GON; YOON, SO IL; LEE, KYUNG HOE; JEON, MU KYUNG
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 068129/0878 →
Priority Claims (1)
KR 10-2023-0100691 · Aug 1, 2023 · national
Continuity (1)
Related Publication 20250048866A1 · Feb 6, 2025
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