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`1.
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`A display device comprising:
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`a display region;
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`a first wire region extending in a direction from a side of the display region;
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`a second wire region extending in the direction from the first wire region;
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`a peripheral region surrounding the display region, the first wire region, and the
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`second wire region;
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`a pixel structure disposed on a substrate in the display region;
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`a first wire part disposed on the substrate in the first wire region, and includingfirst
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`wires electrically connected to the pixel structure;
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`an inorganic insulating layer covering the first wire part;
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`a second wire part disposed on the inorganic insulating layer in the second wire
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`region, and including second wires electrically contacting the first wires through first
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`through-holes formed through the inorganic insulating layer and arranged along a boundary
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`betweenthefirst wire region and the second wire region, respectively;
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`an organic insulating layer covering the second wire part; and
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`a protective layer disposed on the organic insulating layer, and at least partially
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`overlapping the first through-holes in a plan view.
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`2.
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`The display device of claim 1, further comprising:
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`a sealing region defined by a sealing opening that penetrates the organic insulating
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`layer, and surrounding the display region.
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`3.
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`The display device of claim 2, wherein
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`the second wire region is spaced apart from the sealing region in a plan view, and
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`a portion of the first wire region overlaps a portion of the sealing region in a plan
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`view.
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`4.
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`The display device of claim 3, wherein the protective layer covers a portion
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`of a top surface of the inorganic insulating layer exposed by the sealing opening in a region
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`where the portion of the first wire region overlaps the portion of the sealing region in a plan
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`view.
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`5.
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`The display device of claim 4, wherein the protective layer further covers the
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`sealing opening and the entire top surface of the inorganic insulating layer exposed by the
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`sealing opening in the region wherethe portion ofthe first wire region overlaps the portion of
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`the sealing region in a plan view.
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`6.
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`The display device of claim 2, further comprising:
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`a sealing memberdisposed within the sealing opening; and
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`a cover membersupported by the sealing member.
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`7.
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`The display device of claim 1, wherein the pixel structure includes:
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`a semiconductor layer disposed on the substrate;
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`a gate electrode disposed on the semiconductor
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`layer and at
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`least partially
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`overlapping a portion of the semiconductor layer in a plan view, the gate electrode and the
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`first wire part including a same material;
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`the inorganic insulating layer covering the gate electrode;
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`a source-drain electrode disposed on the inorganic insulating layer and electrically
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`contacting another portion of the semiconductor layer,
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`the source-drain electrode and the
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`second wire part including a same material;
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`the organic insulating layer covering the source-drain electrode; and
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`a pixel electrode layer disposed on the organic insulating layer and electrically
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`contacting the source-drain electrode,
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`the pixel electrode layer and the protective layer
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`including a same material.
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`8.
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`The display device of claim 1, wherein
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`the first wire part includes a material havinga first resistivity, and
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`the second wire part includes a material having a secondresistivity that is lower than
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`the first resistivity.
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`9.
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`The display device of claim 1, further comprising:
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`a first power supply electrode layer disposed on the substrate and adjacentto the side
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`of the display region, and receiving a first power supply voltage; and
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`a second power supply electrode layer disposed on the substrate in the peripheral
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`region, and receiving a second powersupply voltage.
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`10.
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`The display device of claim 9, wherein the first power supply electrode layer
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`and the protective layer include a same material.
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`11.
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`The display device of claim 9, wherein the first power supply electrode layer
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`is electrically insulated from the protective layer.
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`12.
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`The display device of claim 9, wherein the protective layer is electrically
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`connected to the second power supply electrodelayer.
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`13.
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`A display device comprising:
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`a display region;
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`a first wire region extending fromaside of the display region;
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`a second wire region extending from the first wire region;
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`a peripheral region surrounding the display region, the first wire region, and the
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`second wire region, and including a pad region in which pad electrodes are disposed;
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`a pixel structure disposed on a substrate in the display region;
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`a first wire part disposed on the substrate in the first wire region, and includingfirst
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`wires electrically connected to the pixel structure;
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`an inorganic insulating layer covering the first wire part;
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`a second wire part disposed on the inorganic insulating layer in the second wire
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`region, and including second wires electrically contacting the first wires through first
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`through-holes formed through the inorganic insulating layer and arranged along a boundary
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`between the first wire region and the second wire region, respectively;
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`an organic insulating layer covering the second wire part; and
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`a first power supply electrode layer disposed on the organic insulating layer,
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`electrically connected to at least one of the pad electrodes, and at least partially overlapping
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`the first through-hole in a plan view.
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`14.
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`The display device of claim 13, further comprising:
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`a sealing region defined by a sealing opening that penetrates the organic insulating
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`layer, and surrounding the display region.
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`15.
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`The display device of claim 14, wherein
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`the second wire region is spaced apart from the sealing region in a plan view, and
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`a portion of the first wire region overlaps a portion of the sealing region in a plan
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`view.
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`16.
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`The display device of claim 15, wherein the first power supply electrode layer
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`covers the sealing opening and an entire top surface of the inorganic insulating layer exposed
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`by the sealing opening in a region where the portion of the first wire region overlaps the
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`portion of the sealing region in a plan view.
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`17.
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`The display device of claim 14, further comprising:
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`a sealing memberdisposed within the sealing opening; and
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`a cover membersupported by the sealing member.
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`18.
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`The display device of claim 13, wherein the pixel structure includes:
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`a semiconductor layer disposed on the substrate;
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`a gate electrode disposed on the semiconductor
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`layer and at
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`least partially
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`overlapping one portion of the semiconductor layer in a plan view, the gate electrode and the
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`first wire part including a same material;
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`the inorganic insulating layer covering the gate electrode;
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`a source-drain electrode disposed on the inorganic insulating layer and electrically
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`contacting another portion of the semiconductor layer,
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`the source-drain electrode and the
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`second wire part including a same material;
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`the organic insulating layer covering the source-drain electrode; and
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`a pixel electrode layer disposed on the organic insulating layer and electrically
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`contacting the source-drain electrode, the pixel electrode layer and the first power supply
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`electrode layer including a same material.
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`19.
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`The display device of claim 13, wherein
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`the first wire part includes a material havinga first resistivity, and
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`the second wire part includes a material having a secondresistivity that is lower than
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`the first resistivity.
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`20.
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`The display device of claim 13, further comprising:
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`a second power supply electrode layer disposed on the substrate in the peripheral
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`region, wherein
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`the first power supply electrode layer receives a first power supply voltage, and
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`the second powersupply electrode layer receives a second powersupply voltage.
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