Stretchable display device

1 . A stretchable display device, comprising:

a stretchable display panel, having a first Young's modulus; and

a stretchable touch panel, disposed on the stretchable display panel and having a second Young's modulus,

wherein a ratio of the second Young's modulus to the first Young's modulus is within a range of 0.5 to 1.5,

wherein the stretchable touch panel comprises a plurality of touch micro-units arranged in an array, each of the touch micro-units comprises:

a patterned support layer;

a plurality of first conductive lines, disposed on the patterned support layer;

a plurality of second conductive lines, disposed on the first conductive lines; and

an insulating layer, disposed between the first conductive lines and the second conductive lines,

wherein each of the first conductive lines has a plurality of first bending points, and each of the second conductive lines has a plurality of second bending points,

wherein the patterned support layer comprises a first portion overlapping with the first conductive lines and the second conductive lines, a second portion corresponding to the first bending points, and a third portion corresponding to the second bending points, the second portion has a plurality of first upper surfaces, the third portion has a plurality of second upper surfaces, and a total area of the first upper surfaces is not equal to a total area of the second upper surfaces,

wherein each of the touch micro-units has a first width (W 1 ) in a first direction and a second width (W 2 ) in a second direction, the second width (W 2 ) is greater than the first width (W 1 ), the first conductive lines are symmetrically disposed with respect to a first virtual axis, the second conductive lines are symmetrically disposed with respect to a second virtual axis, the first virtual axis is parallel to the first direction, the second virtual axis is parallel to the second direction, and a ratio of the total area of the first upper surfaces to the total area of the second upper surfaces is within a range of 1 to 2*(W 2 /W 1 ) 1/2 .

2 . The stretchable display device according to claim 1 , wherein the stretchable display panel comprises a plurality of display units arranged in an array, the stretchable touch panel comprises a plurality of touch micro-units arranged in an array, each of the display units has a first width in a first direction and a second width in a second direction, each of the touch micro-units has a third width in the first direction and a fourth width in the second direction, and the third width is not equal to the fourth width.

3 . The stretchable display device according to claim 2 , wherein the first width is not equal to the third width.

4 . The stretchable display device according to claim 3 , wherein the second width is not equal to the fourth width.

5 . The stretchable display device according to claim 1 , wherein the first conductive lines are symmetrically disposed with respect to a first virtual axis, the second conductive lines are symmetrically disposed with respect to a second virtual axis, the first virtual axis is not parallel to the second virtual axis.

6 . The stretchable display device according to claim 5 , wherein the first virtual axis is perpendicular to the second virtual axis.

7 . The stretchable display device according to claim 1 , wherein a length of each of the first conductive lines is different from a length of each of the second conductive lines.

8 . The stretchable display device according to claim 5 , wherein each of the touch micro-units has a first width in a first direction parallel to the first virtual axis, and a second width in a second direction parallel to the second virtual axis, a ratio of a length of each of the first conductive lines to the first width is within a range of 1.5 to 3.0, and a ratio of a length of each of the second conductive lines to the second width is within a range of 1.5 to 3.0.

9 . The stretchable display device according to claim 1 , wherein the first conductive lines and the second conductive lines are bending lines.

10 . The stretchable display device according to claim 1 , wherein the total area of the first upper surfaces is greater than the total area of the second upper surfaces.

11 . The stretchable display device according to claim 1 , wherein a number of the first bending points is not equal to a number of the second bending points.

12 . A stretchable display device, comprising:

a stretchable display panel, having a first Young's modulus and comprising a plurality of display units arranged in an array, wherein each of the display units has a first width in a first direction and a second width in a second direction; and

a stretchable touch panel, disposed on the stretchable display panel and having a second Young's modulus, wherein a ratio of the second Young's modulus to the first Young's modulus is within a range of 0.5 to 1.5, wherein

the stretchable touch panel comprises a plurality of touch micro-units arranged in an array, each of the touch micro-units has a third width in the first direction and a fourth width in the second direction, and comprises

a patterned support layer;

a plurality of first conductive lines, disposed on the patterned support layer;

a plurality of second conductive lines, disposed on the first conductive lines; and

an insulating layer, disposed between the first conductive lines and the second conductive lines,

wherein the third width is not equal to the fourth width,

wherein each of the first conductive lines has a plurality of first bending points, and each of the second conductive lines has a plurality of second bending points,

wherein the patterned support layer comprises a first portion overlapping with the first conductive lines and the second conductive lines, a second portion corresponding to the first bending points, and a third portion corresponding to the second bending points, the second portion has a plurality of first upper surfaces, the third portion has a plurality of second upper surfaces, and a total area of the first upper surfaces is not equal to a total area of the second upper surfaces,

wherein each of the touch micro-units has a first width (W 1 ) in a first direction and a second width (W 2 ) in a second direction, the second width (W 2 ) is greater than the first width (W 1 ), the first conductive lines are symmetrically disposed with respect to a first virtual axis, the second conductive lines are symmetrically disposed with respect to a second virtual axis, the first virtual axis is parallel to the first direction, the second virtual axis is parallel to the second direction, and a ratio of the total area of the first upper surfaces to the total area of the second upper surfaces is within a range of 1 to 2*(W 2 /W 1 ) 1/2 .