Display device with stretchable wiring
A display device includes a lower substrate which is stretchable and is divided into a first area, a second area, and a third area; a plurality of lower conductive patterns disposed on the first area of the lower substrate; a plurality of pixels which is disposed on the second area of the lower substrate; a plurality of lower connection lines which is disposed on the third area of the lower substrate and is connected to at least one the plurality of pixels; an upper substrate which is opposite to the lower substrate and is stretchable; and a plurality of upper conductive patterns which is disposed below the upper substrate and is overlapped with the plurality of lower conductive patterns. By doing this, the excessive stretching of the display device can be suppressed or controlled.
1 . A display device, comprising:
a lower substrate configured to be stretchable and divided into a first area, a second area, and a third area;
a plurality of lower conductive patterns disposed on the first area of the lower substrate;
a plurality of pixels disposed on the second area of the lower substrate;
a plurality of lower connection lines disposed on the third area of the lower substrate and connected to at least one the plurality of pixels respectively;
an upper substrate disposed opposite to the lower substrate and configured to be stretchable; and
a plurality of upper conductive patterns disposed below the upper substrate and overlapped with the plurality of lower conductive patterns respectively,
wherein the plurality of upper conductive patterns is disposed on the plurality of lower conductive patterns.
2 . The display device according to claim 1 ,
wherein the plurality of upper conductive patterns includes:
a plurality of first upper conductive patterns overlapped with the plurality of lower conductive patterns; and
a plurality of second upper conductive patterns overlapped with the plurality of pixels.
3 . The display device according to claim 2 ,
wherein one of the plurality of pixels includes a light emitting diode and the plurality of lower conductive patterns is electrically connected to the light emitting diode.
4 . The display device according to claim 3 ,
wherein a first voltage which is a driving voltage of the light emitting diode is applied to the plurality of lower conductive patterns, and a second voltage which is different from the first voltage is applied to the plurality of upper conductive patterns.
5 . The display device according to claim 3 , further comprising:
a first single layer disposed below each of the plurality of lower conductive patterns; and
a second single layer disposed on each of the plurality of first upper conductive patterns.
6 . The display device according to claim 5 ,
wherein a top surface of the first single layer is disposed higher than a top surface of the light emitting diode.
7 . The display device according to claim 5 ,
wherein a plurality of lower line patterns is disposed between the lower substrate and the first single layer, and a modulus of elasticity of each of the plurality of lower line patterns is higher than a modulus of elasticity of the lower substrate.
8 . The display device according to claim 3 ,
wherein when the display device is stretched beyond an allowable range, the plurality of lower conductive patterns and the plurality of first upper conductive patterns are in contact with each other.
9 . The display device according to claim 3 ,
wherein when the display device is stretched beyond an allowable range, the plurality of pixels and the plurality of second upper conductive patterns are spaced apart from each other.
10 . The display device according to claim 3 ,
wherein when the display device is stretched beyond an allowable range, the light emitting diode does not emit light or erroneously operates.
11 . The display device according to claim 3 ,
wherein each of the plurality of lower conductive patterns and the plurality of upper conductive patterns has a form in which a plurality of sub conductive patterns disposed in point symmetry is connected.
12 . The display device according to claim 1 ,
wherein a plurality of lower plate patterns is disposed between the lower substrate and the plurality of pixels, a plurality of lower line patterns is disposed between the lower substrate and the plurality of lower connection lines, and a modulus of elasticity of each of the plurality of lower plate patterns and the plurality of lower line patterns is higher than a modulus of elasticity of the lower substrate.
13 . The display device according to claim 1 ,
wherein a plurality of upper line patterns is disposed between the upper substrate and the plurality of upper conductive patterns, and a modulus of elasticity of each of the plurality of upper line patterns is higher than a modulus of elasticity of the upper substrate.