Display device
A display device according to an embodiment includes a substrate including a display area and a non-display area. The substrate has a bend in the non-display area. Moisture-sensitive components such as a data driver and a pad unit are also in the non-display area. A dummy pattern unit is between the bend and the moisture-sensitive components, and an inspection circuit unit positioned is between the dummy pattern unit and the moisture-sensitive components. The dummy pattern unit and the inspection circuit may reduce a flow of moisture from the bend to the moisture sensitive components.
1 . A display device, comprising:
a substrate including a display area and a non-display area, the substrate including a bend in the non-display area;
one or more moisture-sensitive components in the non-display area;
a dummy pattern unit in the non-display area, the dummy pattern unit being between the bend and the moisture-sensitive components; and
an inspection circuit unit positioned between the dummy pattern unit and the moisture-sensitive components.
2 . The display device of claim 1 , wherein:
in the display area, the display device further comprises
a semiconductor layer positioned on the substrate,
a first conductive layer including a gate electrode overlapping the semiconductor layer,
a second conductive layer including a drain electrode electrically connected to the semiconductor layer, and
a third conductive layer including a connection electrode electrically connected to the drain electrode.
3 . The display device of claim 2 , wherein:
the dummy pattern unit includes a first dummy pattern positioned on the same layer as the second conductive layer.
4 . The display device of claim 3 , wherein:
the dummy pattern unit includes a second dummy pattern positioned on the same layer as the third conductive layer.
5 . The display device of claim 4 , wherein:
edges of the first dummy pattern and the second dummy pattern are aligned.
6 . The display device of claim 4 , wherein:
section of the first dummy pattern and section of the second dummy pattern are alternately disposed in a plan view.
7 . The display device of claim 2 , further comprising:
a first insulating layer between the first conductive layer and the second conductive layer;
a second insulating layer between the second conductive layer and the third conductive layer; and
a third insulating layer on the third conductive layer.
8 . The display device of claim 7 , wherein:
the second insulating layer is recessed between sections of the first dummy pattern.
9 . The display device of claim 7 , wherein:
the third insulating layer is recessed between sections of the first dummy patterns.
10 . The display device of claim 7 , wherein:
the third insulating layer is recessed between sections of the second dummy pattern.
11 . The display device of claim 7 , wherein at least one of the second insulating layer and the third insulating layer comprises:
a first portion overlapping the dummy pattern unit and having a first thickness; and
a second portion spaced apart from the dummy pattern unit and having a second thickness, the first thickness being smaller than the second thickness.
12 . The display device of claim 2 , wherein:
the inspection circuit unit includes a first inspection circuit unit including a static electricity discharge part.
13 . The display device of claim 12 , wherein:
the first inspection circuit unit includes a first static electricity discharge line and a second static electricity discharge line, and
different voltages are applied to the first static electricity discharge line and the second static electricity discharge line.
14 . The display device of claim 13 , wherein:
the first static electricity discharge line and the second static electricity discharge line are positioned on the same layer as the second conductive layer.
15 . The display device of claim 12 , wherein:
the inspection circuit unit further comprises:
a second inspection circuit unit including a plurality of lighting lines; and
a third inspection circuit including a plurality of crack detection lines.
16 . The display device of claim 15 , wherein:
the first inspection circuit unit, the second inspection circuit unit, and the third inspection circuit unit are positioned away from the display area in order.
17 . The display device of claim 15 , wherein:
the plurality of light lines and the plurality of crack detection lines are positioned on the same layer as the second conductive layer.
18 . The display device of claim 1 , wherein:
an organic insulating layer is positioned at an outermost portion of the bend in the substrate.
19 . The display device of claim 1 , wherein:
no voltage is applied to the dummy pattern unit.
20 . The display device of claim 1 , wherein:
the display area comprises a scan line extending in a first direction and a data line extending in a second direction; and
the first dummy pattern and the second dummy pattern extend along the first direction.