Display device

Patent metadata

Field	Value
Publication number	US-10032846-B2
Application number	US-201615383294-A
Country	US
Kind code	B2
Filing date	Dec 19, 2016
Priority date	Apr 29, 2016
Publication date	Jul 24, 2018
Grant date	Jul 24, 2018

Abstract

A display device according to an exemplary embodiment of the present invention includes: a scan line extending in a first direction; a data line crossing the scan line and transmitting a data signal; a driving voltage line crossing the scan line and transmitting a driving voltage; a conductive member including a portion connected to the driving voltage line and overlapping the data line, wherein a first insulation layer is interposed between the conductive member and the data line; and a control line including a plurality of main line portions each extending in the first direction, and a detour portion that is located between two of the plurality of main line portions that are adjacent one another in a plan view, wherein the detour portion connects the two adjacent main line portions together, wherein a part of the detour portion is located between the conductive member and the driving voltage line in the plan view.

First claim

What is claimed is:

1. A display device comprising:
a scan line extending in a first direction;
a first data line crossing the scan line and transmitting a data signal;
a first driving voltage line crossing the scan line and transmitting a driving voltage;
a conductive member including a portion connected to the first driving voltage line and overlapping the first data line, wherein a first insulation layer is interposed between the conductive member and the first data line; and
a control line including a plurality of main line portions each extending in the first direction, and a detour portion that is located between two of the plurality of main line portions that are adjacent one another in a plan view,
wherein the detour portion connects the two adjacent main line portions together,
wherein a part of the detour portion is located between the conductive member and the first driving voltage line in the plan view.

2. The display device of claim 1 , further comprising a first driving gate electrode spaced apart from the control line,
wherein the detour portion comprises a portion located between the first driving gate electrode and the conductive member in the plan view.

3. The display device of claim 2 , further comprising a semiconductor member including a first channel region overlapping the first driving gate electrode, wherein a second insulation layer is interposed between the semiconductor member and the first channel region,
wherein the semiconductor member comprises a plurality of channel regions and a conductive region, the plurality of channel regions including the first channel region, and
the conductive region comprises the conductive member.

4. The display device of claim 3 , wherein the plurality of channel regions comprise at least one channel region overlapping the control line.

5. The display device of claim 3 , wherein
the first insulation layer comprises a contact hole disposed on the conductive region of the semiconductor member, and
the first driving voltage line is connected to the conductive region through the contact hole.

6. The display device of claim 5 , wherein
the conductive member is connected to the conductive region that is connected to the first driving voltage line through a connection portion extending in a direction that is different from an extending direction of the conductive member.

7. The display device of claim 2 , wherein
the detour portion comprises a pair of vertical portions extending in parallel with the first data line and a horizontal portion connecting the pair of vertical portions.

8. The display device of claim 7 , wherein
the scan line is located in a same layer as the control line in a cross sectional view, and
the plurality of channel regions comprise at least one channel region overlapping the scan line.

9. The display device of claim 8 , wherein the horizontal portion is located between the conductive member and the scan line in the plan view.

10. The display device of claim 8 , wherein the first driving gate electrode is located between the scan line and the horizontal portion of the control line in the plan view.

11. The display device of claim 7 , wherein the horizontal portion crosses the first data line.

12. The display device of claim 7 , wherein the vertical portion is located between the conductive member and the first driving gate electrode in the plan view.

13. The display device of claim 2 , wherein
the first driving voltage line extends in a second direction that crosses the first direction, and
the first driving voltage line comprises a first expansion portion that extends in the first direction,
the first driving voltage line overlapping the first driving gate electrode and the first insulation layer interposed between the first driving voltage line and the first driving gate electrode forms a capacitor.

14. The display device of claim 13 , further comprising a second data line adjacent the first data line, wherein the conductive member overlaps the second data line.

15. The display device of claim 14 , further comprising:
a second driving gate electrode;
a second driving voltage line comprises a second expansion portion that extends in the first direction,
wherein the two driving gate electrodes are located between the two data lines, and
wherein the two expansion portions respectively overlapping the two driving gate electrodes are connected to each other.

16. The display device of claim 1 , wherein
the main line portions do not overlap the conductive member,
the detour portion does not overlap the conductive member and extends along a periphery of the conductive member.

17. The display device of claim 16 , wherein
the conductive member comprises a recess portion that does not overlap the data line in the plan view.

18. A display device comprising:
a scan line extending in a first direction;
a data line and a driving voltage line extending in a second direction that crosses the first direction;
a control line comprising a first portion that is parallel with the first direction, a second portion connected to the first portion and parallel with the second direction, and a third portion connected to the second portion and parallel with the first direction; and
a driving gate electrode located between a first scan line among the plurality of scan lines and the first portion of the control line in a plan view,
wherein the second portion of the control line is located between the data line and the driving gate electrode in the plan view, and
the third portion of the control line crosses the data line.

19. The display device of claim 18 , further comprising a conductive member connected to the driving voltage line and overlapping the data line,
wherein the second portion and the third portion extend along a periphery of the conductive member.

20. The display device of claim 19 , wherein
the second portion is located between the driving gate electrode and the conductive member in the plan view.

21. The display device of claim 20 , further comprising a semiconductor member comprising a channel region overlapping the driving gate electrode, an insulation layer interposed between the channel region and the driving gate electrode, and a conductive region connected to the channel region,
wherein the conductive region comprises the conductive member.

22. A display device comprising a plurality of pixels, wherein each pixel comprises:
an organic light emitting diode (OLED);
a light emission control transistor connected to the OLED;
a control line configured to apply an emission control signal to a gate electrode of the light emission control transistor;
a data line transmitting a data signal;
a conductor overlapping the data line and receiving a driving voltage,
wherein the control line is bent around a periphery of the conductor.

23. The display device of claim 22 , wherein the control line includes a first portion arranged in a direction of the data line, a second portion arranged in a direction perpendicular to the data line, and a third portion arranged in the direction of the data line.

24. The display device of claim 22 , wherein the conductor comprises a recess portion that does not overlap the data line that connects a remaining portion of the conductor to a driving voltage line supplying the driving voltage.

25. The display device of claim 24 , where a width of the recess portion

Assignees

• Samsung Display Co Ltd

Inventors

• Choi Jun Won
• Pyon Chang Soo

Classifications

• G09G2310/06

  Details of flat display driving waveforms · CPC title

• G09G3/3208 Primary

  organic, e.g. using organic light-emitting diodes [OLED] · CPC title

• G09G2330/08

  Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared · CPC title

• G09G3/3233 Primary

  with pixel circuitry controlling the current through the light-emitting element · CPC title

• G09G3/3258

  with pixel circuitry controlling the voltage across the light-emitting element · CPC title