IP Library Granted Patent US 11,961,425
Granted Patent B2
US 11,961,425 · App. 18/084,939 · Granted Apr 16, 2024

Display device

Inventors: Hee Rim Song (Seoul, KR); Gyung Soon Park (Seoul, KR); Mu Kyung Jeon (Ulsan, KR)
Assignee: Samsung Display Co., Ltd.
G09F9/301G02F1/133305H10K59/121H10K59/131H10K77/111G02F2202/02G09G2300/0426H10K2102/311
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Quick Facts
Patent No.
US 11,961,425
App. No.
18/084,939
Granted
Apr 16, 2024
Kind
B2
Abstract

A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.

Claims (148)

1. A display device comprising:

a first pixel;

a second pixel;

a third pixel;

a first signal line electrically connected to the first pixel and extended in a first direction;

a second signal line electrically connected to the second pixel and spaced apart from the first signal line and extended in the first direction;

a first wire electrically connected to the first signal line;

a second wire electrically connected to the second signal line and extended in the first direction; and

a connecting wire electrically connecting the second signal line to the second wire,

wherein the connecting wire comprises a first section and a second section,

wherein the second section of the connecting wire is directly connected to the first section of the connecting wire and overlaps the first signal line,

wherein the second section of the connecting wire extends in a second direction different from the first direction,

wherein the first section of the connecting wire overlaps the third pixel,

wherein the first pixel comprises a light emitting diode, and

wherein the first section of the connecting wire overlaps the light emitting diode of the first pixel.

2. The display device of claim 1 ,

wherein the first section of the connecting wire extends in a third direction different from the second direction, and

wherein the second section of the connecting wire is directly connected to the first section of the connecting wire in a display area of the display device which displays an image.

3. The display device of claim 1 , wherein the first signal line comprises a first edge extended in the first direction and a second edge opposite to the first edge, and

wherein the second section of the connecting wire crosses the first edge of the first signal line and the second edge of the first signal line in a plan view of the display device.

4. The display device of claim 1 , wherein the second section of the connecting wire comprises an overlap portion which overlaps the first signal line, and

wherein the overlap portion of the second section of the connecting wire is disposed in a display area of the display device.

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

a driving voltage line electrically connected to the first pixel and extended in the first direction,

wherein the second section of the connecting wire overlaps the driving voltage line in a display area of the display device.

6. The display device of claim 1 , wherein the first wire and the second wire are made of a same material.

7. The display device of claim 1 , wherein the first section of the connecting wire is parallel to the first signal line in the plan view of the display device, and wherein the second section of the connecting wire intersects the first signal line in a plan view of the display device.

8. The display device of claim 1 , wherein the connecting wire includes at least one of aluminum (Al) and titanium (Ti).

9. The display device of claim 1 , further comprising a first organic insulating layer disposed between the second section of the connecting wire and each of the first signal line and the second signal line.

10. The display device of claim 9 , wherein the first organic insulating layer has a thickness of at least 15000 Å.

11. The display device of claim 10 , wherein the first organic insulating layer is formed of at least one of polyacrylic resin and polyimides resin.

12. The display device of claim 1 , further comprising a second organic insulating layer covering the connecting wire.

13. The display device of claim 1 , further comprising an inorganic insulating layer disposed between the connecting wire and the first signal line.

14. The display device of claim 1 , further comprising a pixel definition layer including an opening,

wherein the opening of the pixel definition layer overlaps the light emitting diode of the first pixel, and

wherein the first section of the connecting wire overlaps the opening of the pixel definition layer.

15. The display device of claim 1 , further comprising a first control line electrically connected to the third pixel and extended in a direction different from the first direction;

wherein the first control line transmits a first emission control signal to the third pixel, and

wherein the first section of the connecting wire overlaps the first control line.

16. The display device of claim 15 , further comprising a second control line electrically connected to the first pixel and extended in the direction different from the first direction;

wherein the second control line transmits a second emission control signal to the first pixel, and

wherein the first section of the connecting wire overlaps the second control line.

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

a first scan line electrically connected to the third pixel; and

a second scan line electrically connected to the third pixel;

wherein the first scan line transmits a first scan signal to the third pixel,

wherein the second scan line transmits a second scan signal to the third pixel,

wherein the second scan signal has a gate-on voltage at a different time from the first scan signal, and

wherein the first section of the connecting wire overlaps the first scan line and the second scan line.

18. The display device of claim 17 , further comprising:

a third scan line electrically connected to the first pixel; and

a fourth scan line electrically connected to the first pixel;

wherein the third scan line transmits a third scan signal to the first pixel,

wherein the fourth scan line transmits a fourth scan signal to the first pixel,

wherein the fourth scan signal has a gate-on voltage at a different time from the third scan signal, and

wherein the first section of the connecting wire overlaps the third scan line and the fourth scan line.

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

a first initialization voltage line electrically connected to the third pixel,

wherein the first initialization voltage line transmits an initialization voltage to the third pixel, and

wherein the first section of the connecting wire overlaps the first initialization voltage line.

20. The display device of claim 19 , further comprising:

a second initialization voltage line electrically connected to the first pixel,

wherein the second initialization voltage line transmits the initialization voltage to the first pixel, and

wherein the first section of the connecting wire overlaps the second initialization voltage line.

21. The display device of claim 1 , further comprising a control line electrically connected to the second pixel and extended in a direction different from the first direction;

wherein the control line transmits an emission control signal to the second pixel, and

wherein the second section of the connecting wire overlaps the control line.

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

a first scan line electrically connected to the second pixel; and

a second scan line electrically connected to the second pixel;

wherein the first scan line transmits a first scan signal to the second pixel,

wherein the second scan line transmits a second scan signal to the second pixel,

wherein the second scan signal has a gate-on voltage at a different time from the first scan signal, and

wherein the second section of the connecting wire overlaps the first scan line and the second scan line.

23. A display device comprising:

a first pixel;

a second pixel;

a third pixel;

a first signal line electrically connected to the first pixel and extended in a first direction;

a second signal line electrically connected to the second pixel and spaced apart from the first signal line and extended in the first direction;

a first wire electrically connected to the first signal line;

a second wire electrically connected to the second signal line and extended in the first direction; and

a connecting wire electrically connecting the second signal line to the second wire,

wherein the connecting wire comprises a first section and a second section,

wherein the second section of the connecting wire is directly connected to the first section of the connecting wire and overlaps the first signal line,

wherein the second section of the connecting wire extends in a second direction different from the first direction,

wherein the first section of the connecting wire overlaps the third pixel,

wherein the second pixel comprises a light emitting diode, and

wherein the second section of the connecting wire overlaps the light emitting diode of the second pixel.

24. The display device of claim 23 , further comprising a pixel definition layer including an opening,

wherein the opening of the pixel definition layer overlaps the light emitting diode, and

wherein the second section of the connecting wire overlaps the opening of the pixel definition layer.

25. A display device comprising:

a first pixel;

a second pixel;

a third pixel;

a first signal line electrically connected to the first pixel and extended in a first direction;

a second signal line electrically connected to the second pixel and spaced apart from the first signal line and extended in the first direction;

a first wire electrically connected to the first signal line;

a second wire electrically connected to the second signal line and extended in the first direction; and

a connecting wire electrically connecting the second signal line to the second wire, wherein:

the connecting wire comprises a first section and a second section,

the second section of the connecting wire is directly connected to the first section of the connecting wire and overlaps the first signal line,

the second section of the connecting wire extends in a second direction different from the first direction,

the third pixel comprises a transistor, and

the first section of the connecting wire overlaps an active layer of the transistor of the third pixel.

26. The display device of claim 25 , wherein the first pixel comprises a transistor, and the first section of the connecting wire overlaps an active layer of the transistor of the first pixel.

27. The display device of claim 26 , wherein the first pixel further comprises a light emitting diode, and

wherein the first section of the connecting wire overlaps the light emitting diode of the first pixel.

28. The display device of claim 27 , further comprising a pixel definition layer including an opening,

wherein the opening of the pixel definition layer overlaps the light emitting diode of the first pixel, and

wherein the first section of the connecting wire overlaps the opening of the pixel definition layer.

29. The display device of claim 25 , further comprising a first control line electrically connected to the third pixel and extended in a direction different from the first direction;

wherein the first control line transmits a first emission control signal to the third pixel, and

wherein the first section of the connecting wire overlaps the first control line.

30. The display device of claim 29 , further comprising a second control line electrically connected to the first pixel and extended in the direction different from the first direction;

wherein the second control line transmits a second emission control signal to the first pixel, and

wherein the first section of the connecting wire overlaps the second control line.

31. The display device of claim 25 , further comprising:

a first scan line electrically connected to the third pixel; and

a second scan line electrically connected to the third pixel;

wherein the first scan line transmits a first scan signal to the third pixel,

wherein the second scan line transmits a second scan signal to the third pixel,

wherein the second scan signal has a gate-on voltage at a different time from the first scan signal, and

wherein the first section of the connecting wire overlaps the first scan line and the second scan line.

32. The display device of claim 31 , further comprising:

a third scan line electrically connected to the first pixel; and

a fourth scan line electrically connected to the first pixel;

wherein the third scan line transmits a third scan signal to the first pixel,

wherein the fourth scan line transmits a fourth scan signal to the first pixel,

wherein the fourth scan signal has a gate-on voltage at a different time from the third scan signal, and

wherein the first section of the connecting wire overlaps the third scan line and the fourth scan line.

33. The display device of claim 25 , further comprising:

a first initialization voltage line electrically connected to the third pixel,

wherein the first initialization voltage line transmits an initialization voltage to the third pixel, and

wherein the first section of the connecting wire overlaps the first initialization voltage line.

34. The display device of claim 33 , further comprising:

a second initialization voltage line electrically connected to the first pixel,

wherein the second initialization voltage line transmits the initialization voltage to the first pixel, and

wherein the first section of the connecting wire overlaps the second initialization voltage line.

35. The display device of claim 25 , wherein

the second pixel comprises a transistor, and

the second section of the connecting wire overlaps an active layer of the transistor of the second pixel.

36. The display device of claim 35 , wherein the second pixel comprises a light emitting diode, and

wherein the second section of the connecting wire overlaps the light emitting diode of the second pixel.

37. The display device of claim 36 , further comprising a pixel definition layer including an opening,

wherein the opening of the pixel definition layer overlaps the light emitting diode, and

wherein the second section of the connecting wire overlaps the opening of the pixel definition layer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 25, 2022
From: SONG, HEE RIM; PARK, GYUNG SOON; JEON, MU KYUNG
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 062199/0909 →
Priority Claims (1)
KR 10-2018-0110373 · Sep 14, 2018 · national
Continuity (4)
Continuation 17693616 · Mar 14, 2022
Continuation 16927878 · Jul 13, 2020
Continuation 16512284 · Jul 15, 2019
Related Publication 20230117741A1 · Apr 20, 2023