IP Library › Granted Patent US 11,158,267
Granted Patent B2
US 11,158,267 · App. 16/810,041 · Granted Oct 26, 2021

Display device

Inventors: Minjae Jeong (Hwaseong-si, KR); Gyung Soon Park (Seoul, KR); Chong Chul Chai (Seoul, KR); Jaeyong Jang (Seoul, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
G09G3/3291H01L27/3276G09G2330/00
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Quick Facts
Patent No.
US 11,158,267
App. No.
16/810,041
Granted
Oct 26, 2021
Kind
B2
Abstract

A display device includes a data driving circuit disposed in a non-display area and including output terminals for outputting a data voltage to the data-lines, a first fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a first-area of a display area and a second end connected to a first contact portion disposed in an area adjacent to an end of the data driving circuit, a second fan-out line disposed in the non-display-area and including a first end connected to an output terminal corresponding to a data-line in a second area of the display-area and a second end connected to the data-line in the second-area, and a bypass fan-out line disposed in the non-display area and the display area and including a first end connected to the first contact portion and a second end connected to the data-line in the first area.

Claims (61)

1. A display device including a display area in which a plurality of data lines is arranged and a non-display area surrounding the display area, the display device comprising:

a data driving circuit disposed in the non-display area and including a plurality of output terminals which outputs a data voltage to the data lines;

a first fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a first area of the display area and a second end connected to a first contact portion disposed in an area adjacent to an end of the data driving circuit;

a second fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a second area of the display area and a second end connected to the data line in the second area; and

a bypass fan-out line disposed in the non-display area and the display area and including a first end connected to the first contact portion and a second end connected to the data line in the first area,

wherein the bypass fan-out line arranged in the display area includes a straight linear portion disposed between a pair of adjacent data lines of the plurality of data lines and a crossing portion crossing at least one of the adjacent data lines of the plurality of data lines.

2. The display device of claim 1 , wherein

the non-display area includes a first non-display area extending in a first direction from the second area of the display area and a second non-display area surrounding an outer edge of the display area, and

wherein the first fan-out line, the second fan-out line and the bypass fan-out line are disposed in the first non-display area.

3. The display device of claim 2 , wherein the first fan-out line extends in a direction perpendicular to a longitudinal direction of the data driving circuit and is bent in the longitudinal direction.

4. The display device of claim 1 , wherein

the second end of the second fan-out line is connected to an end of the data line in the second area through a second contact portion, and

wherein the second contact portion is disposed in a portion of the non-display area corresponding to an outer edge of the second area.

5. The display device of claim 1 , wherein

the second end of the bypass fan-out line is connected to an end of the data line in the first area through a third contact portion, and

wherein the third contact portion is disposed in a portion of the non-display area corresponding to an outer edge of the first area.

6. A display device including a display area in which a plurality of data lines is arranged and a non-display area surrounding the display area, the display device comprising:

a data driving circuit disposed in the non-display area and including a plurality of output terminals which outputs a data voltage to the data lines;

a first fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a first area of the display area and a second end connected to a first contact portion disposed in an area adjacent to an end of the data driving circuit;

a second fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a second area of the display area and a second end connected to the data line in the second area; and

a bypass fan-out line disposed in the non-display area and the display area and including a first end connected to the first contact portion and a second end connected to the data line in the first area, wherein

the non-display area includes a first non-display area extending in a first direction from the second area of the display area and a second non-display area surrounding an outer edge of the display area,

wherein the first fan-out line, the second fan-out line and the bypass fan-out line are disposed in the first non-display area,

the first non-display area includes a fan-out area between the data driving circuit and the second area of the display area, and

wherein the second fan-out line and the bypass fan-out line are alternately disposed in the fan-out area adjacent to the second area of the display area.

7. The display device of claim 6 , wherein a power supply voltage line overlapping the second fan-out line and the bypass fan-out line is disposed in the fan-out area adjacent to the second area of the display area.

8. The display device of claim 7 , wherein

a portion of the first fan-out lines is disposed on a first insulating layer, and

a remaining portion of the first fan-out lines is disposed on a second insulating layer disposed on the first insulating layer.

9. The display device of claim 7 , wherein

a portion of the second fan-out lines is disposed on a first insulating layer, and

a remaining portion of the second fan-out lines is disposed on a second insulating layer disposed on the first insulating layer.

10. The display device of claim 9 , wherein the data line and the power supply voltage line are disposed on a third insulating layer disposed on the second insulating layer.

11. The display device of claim 10 , wherein the bypass fan-out line is disposed on a fourth insulating layer disposed on the third insulating layer.

12. The display device of claim 6 , wherein the fan-out area includes a first fan-out area adjacent to the data driving circuit, a second fan-out area adjacent to the display area and a bending area defined between the first fan-out area and the second fan-out area.

13. The display device of claim 12 , wherein the first contact portion is disposed between the data driving circuit and the bending area.

14. The display device of claim 12 , wherein the first contact portion is disposed between the bending area and the display area.

15. The display device of claim 1 , wherein

the display area has a rectangular shape with rounded corners,

the first area corresponds to an area having the rounded corner, and

the second area corresponds to a central area of the display area.

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

a transistor disposed in the display area; and

an organic light emitting diode disposed on the transistor and including a first electrode connected to the transistor, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer.

17. A display device including a display area in which a plurality of data lines are arranged and a non-display area surrounding the display area, the display device comprising:

a data driving circuit disposed in the non-display area and including a plurality of output terminals to output a data voltage to the data lines;

a first fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a first area of the display area and a second end connected to a first contact portion disposed in an area adjacent to an end of the data driving circuit;

a second fan-out line disposed in the non-display area and including a first end connected to an output terminal corresponding to a data line in a second area of the display area and a second end connected to the data line in the second area;

a bypass fan-out line disposed in the non-display area and the display area and including a first end connected to the first contact portion and a second end connected to the data line in the first area; and

a shielding electrode disposed between the second fan-out line and the bypass fan-out line and overlapping the second fan-out line and the bypass fan-out line,

wherein the second fan-out line and the bypass fan-out line are alternately disposed in a fan-out area adjacent to the second area of the display area.

18. The display device of claim 17 , wherein

the second end of the second fan-out line is connected to an end of the data line in the second area through a second contact portion, and

wherein the second contact portion is disposed in a portion of the non-display area corresponding to an outer edge of the second area.

19. The display device of claim 17 , wherein

the second end of the bypass fan-out line is connected to an end of the data line in the first area through a third contact portion, and

wherein the third contact portion is disposed in a portion of the non-display area corresponding to an outer edge of the first area.

20. The display device of claim 17 , wherein

the non-display area includes a first non-display area extending in a first direction from the second area of the display area and a second non-display area surrounding an outer edge of the display area,

the first fan-out line, the second fan-out line and the bypass fan-out line are disposed in the first non-display area, and

the first non-display area includes the fan-out area between the data driving circuit and the second area of the display area.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 20, 2020
From: JEONG, MINJAE; PARK, GYUNG SOON; CHAI, CHONG CHUL; JANG, JAEYONG
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 052178/0919 →
Priority Claims (1)
KR 10-2019-0036868 · Mar 29, 2019 · national
Continuity (1)
Related Publication 20200312252A1 · Oct 1, 2020
Cited By (3)
US 12,408,433 US 12,550,525 US 12,626,642