Display device and method of manufacturing the same
A display device includes a display panel including a base substrate and a plurality of pixels disposed on the base substrate, a light blocking cushion layer disposed under the display panel, wherein the light blocking cushion layer directly contacts the base substrate, and a metal layer disposed under the light blocking cushion layer, wherein the metal layer directly contacts the light blocking cushion layer.
1 . A display device comprising:
a display panel comprising a base substrate and a plurality of pixels disposed on the base substrate;
a light blocking cushion layer disposed under the display panel, wherein the light blocking cushion layer directly contacts the base substrate; and
a metal layer disposed under the light blocking cushion layer, wherein the metal layer directly contacts the light blocking cushion layer,
wherein adhesive layer does not exist between the base substrate and the light blocking cushion layer, and between the light blocking cushion layer and the metal layer.
2 . The display device of claim 1 , wherein the light blocking cushion layer comprises a light blocking pigment and at least one of urethane acrylate, silicone, and epoxy.
3 . The display device of claim 2 , wherein the light blocking pigment comprises carbon.
4 . The display device of claim 1 , wherein a thickness of the light blocking cushion layer is equal to or more than about 50 micrometers and equal to or less than about 250 micrometers.
5 . The display device of claim 1 , wherein light absorption rate of the light blocking cushion layer is 99.9% or more.
6 . The display device of claim 1 , wherein the metal layer comprises copper.
7 . The display device of claim 1 , wherein a thickness of the metal layer is equal to or more than about 10 micrometers and equal to or less than about 50 micrometers.
8 . The display device of claim 1 , wherein the light blocking cushion layer comprises:
a light blocking layer disposed under the display panel, wherein the light blocking layer directly contacts the base substrate; and
a cushion layer disposed under the light blocking layer, wherein the cushion layer directly contacts each of the light blocking layer and the metal layer.
9 . The display device of claim 8 , wherein a thickness of the light blocking layer is equal to or more than about 10 micrometers and equal to or less than about 30 micrometers.
10 . A method of manufacturing a display device, comprising:
forming a display panel comprising a base substrate and a plurality of pixels disposed on the base substrate;
forming a light blocking cushion layer by applying a resin comprising an elastic polymer and a light blocking pigment on a lower surface of the base substrate; and
forming a metal layer by coating metal particles on a lower surface of the light blocking cushion layer,
wherein adhesive layer does not exist between the base substrate and the light blocking cushion layer, and between the light blocking cushion layer and the metal layer.
11 . The method of claim 10 , wherein the forming of the light blocking cushion layer comprises:
curing the resin by applying heat of equal to or more than about 50 Celsius and equal to or less than about 80 Celsius.
12 . The method of claim 10 , wherein the forming of the light blocking cushion layer comprises:
curing the resin by irradiating the resin with ultraviolet (UV) light and then drying the resin naturally.
13 . The method of claim 10 , wherein the resin further comprises a curing agent.
14 . The method of claim 10 , wherein the forming of the metal layer comprises:
injecting a plasma gas comprising the metal particles toward the lower surface of the light blocking cushion layer.
15 . The method of claim 10 , wherein the forming of the metal layer comprises:
applying ink comprising the metal particles and a solvent on the lower surface of the light blocking cushion layer;
evaporating the solvent by applying heat of equal to or more than about 40 Celsius and equal to or less than about 80 Celsius to the ink; and
sintering the metal particles by irradiating the ink with light.
16 . A method of manufacturing a display device, comprising:
forming a display panel comprising a base substrate and a plurality of pixels disposed on the base substrate;
forming a light blocking layer by applying a first resin comprising a light blocking pigment on a lower surface of the base substrate;
forming a cushion layer by applying a second resin comprising an elastic polymer on a lower surface of the light blocking layer; and
forming a metal layer by coating metal particles on a lower surface of the cushion layer,
wherein adhesive layer does not exist between the base substrate and the light blocking cushion layer, and between the light blocking cushion layer and the metal layer.
17 . The method of claim 16 , wherein the forming of the light blocking layer further comprises:
curing the first resin by irradiating the first resin with UV light.
18 . The method of claim 17 , wherein a thickness of the light blocking layer is equal to or more than about 10 micrometers and equal to or less than about 30 micrometers.
19 . The method of claim 16 , wherein the forming of the metal layer comprises:
injecting a plasma gas comprising the metal particles toward the lower surface of the cushion layer.
20 . The method of claim 16 , wherein the forming of the metal layer comprises:
applying ink comprising the metal particles and a solvent on the lower surface of the cushion layer;
evaporating the solvent by applying heat of equal to or more than about 40 Celsius and equal to or less than about 80 Celsius to the ink; and
sintering the metal particles by irradiating the ink with light.