Display device including pad area
AssigneeSamsung Display Co., Ltd.
InventorsChungi You, Younggug Seol, Kijong Eom
Life of this patent
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Abstract
A display device includes a substrate including a pad region, a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view, an insulating layer disposed on the substrate and covering the first conductive pattern, and a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer. The plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view.
Claims23
A display device comprising:
- a substrate including a pad region;
- and
- a plurality of pads disposed on the pad region,
- wherein a first pad of the plurality of pads comprises:
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the quadrangle shape includes a first side extending in a first direction and a second side extending in a second direction perpendicular to the first direction,
- wherein, in the first pad, the plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view, and
- wherein, in the first pad, along at least one of the first direction and the second direction, each of the plurality of contact holes does not overlap any contact hole of the first pad.
A display device comprising:
- a substrate including a pad region;
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view, and
- wherein a material included in the second conductive pattern is the same as a material included in the third conductive pattern.
A display device comprising:
- a substrate including a pad region;
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view, and
- wherein the second conductive pattern and the third conductive pattern each have a Ti/Al/Ti structure.
A display device comprising:
- a substrate including a pad region;
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view,
- wherein the substrate further comprises a display region adjacent to the pad region, and
- wherein the display device further comprises:
- an active pattern disposed on the substrate and overlapping the display region in the plan view;
- a gate electrode disposed in a same layer as the first conductive pattern and overlapping the active pattern in the plan view;
- a first connection electrode disposed in a same layer as the second conductive pattern and contacting the active pattern;
- a second connection electrode disposed in a same layer as the third conductive pattern and contacting the first connection electrode;
- a first electrode disposed on the second connection electrode and contacting the second connection electrode;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer.
A display device comprising:
- a substrate including a pad region;
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view,
- wherein the display device further comprises:
- a first dummy pattern disposed on the substrate, overlapping the pad region, and spaced apart from the first conductive pattern in the plan view;
- a second dummy pattern disposed on the first dummy pattern and contacting the first dummy pattern through a dummy contact hole defined in the insulating layer,
- wherein an area of the dummy contact hole is different from an area of each of the plurality of the contact holes in the plan view, and
- wherein the area of the dummy contact hole is larger than the area of each of the plurality of the contact holes.
A display device comprising:
- a substrate including a pad region;
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the plurality of the contact holes are arranged along a diagonal direction of the quadrangle shape in the plan view,
- wherein the display device further comprises:
- a first dummy pattern disposed on the substrate, overlapping the pad region, and spaced apart from the first conductive pattern in the plan view;
- a second dummy pattern disposed on the first dummy pattern and contacting the first dummy pattern through a dummy contact hole defined in the insulating layer, and
- wherein the first dummy pattern and the second dummy pattern each are electrically floated.
A display device comprising:
- a substrate including a pad region;
- and
- a plurality of pads disposed on the pad region,
- wherein a first pad of the plurality of pads comprises:
- a first conductive pattern disposed on the pad region of the substrate and having a quadrangle shape in a plan view;
- an insulating layer disposed on the substrate and covering the first conductive pattern;
- and
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer,
- wherein the plurality of the contact holes includes a first contact hole, a second contact hole, and a third contact hole which are spaced apart from each other,
- wherein the first contact hole and the second contact hole are arranged along a first diagonal direction of the quadrangle shape, and
- wherein the second contact hole and the third contact hole are arranged along a second diagonal direction intersecting the first diagonal direction,
- wherein the quadrangle shape includes a first side extending in a first direction and a second side extending in a second direction perpendicular to the first direction, and
- wherein, in the first pad, along the first direction, each of the first contact hole, the second contact hole, and the third contact hole does not overlap any contact hole of the first pad.
A display device comprising:
- a substrate including a pad region;
- a first conductive pattern on the pad region of the substrate;
- a first dummy pattern disposed in a same layer as the first conductive pattern and spaced apart from the first conductive pattern;
- an insulating layer disposed on the substrate and covering the first conductive pattern and the first dummy pattern;
- a second conductive pattern disposed on the insulating layer and contacting the first conductive pattern through a plurality of contact holes defined in the insulating layer;
- and
- a second dummy pattern disposed on the insulating layer and contacting the first dummy pattern through a dummy contact hole, wherein the dummy contact hole is defined in the insulating layer and has an area different from an area of each of the plurality of the contact holes,
- wherein the area of the dummy contact hole is larger than the area of each of the plurality of the contact holes.
Dependencies are inferred from the claim text.