Stretchable electronic device and method for fabricating the same

1 . A stretchable electronic device comprising:

an array including a plurality of islands spaced apart from each other and an interconnector to perform a stretchable action between the plurality of islands, one of the plurality of islands including a plurality of devices; and

an external connection to apply an electrical signal to the array,

wherein a configuration of the array includes:

an interconnecting layer including the interconnector and configured to supply the applied electrical signal from the external connection to the plurality of islands through the interconnector;

a circuit layer on the interconnecting layer; and

a device layer disposed on the circuit layer and including the plurality of devices,

wherein the interconnecting layer includes;

a first insulating layer positioned at a lower portion of the Interconnecting layer;

a first conductive layer on the first insulating laver; and

a second insulating layer on the first conductive layer;

wherein the circuit layer includes:

a second bonding layer on and electrically connected to the interconnecting layer;

a second conductive layer on the second bonding layer; and

a third insulating layer on the second conductive laver, and

wherein an empty space is provided between a bottom surface of the second conductive layer and an upper surface of the second insulating laver.

2 . The stretchable electronic device of claim 1 , wherein the interconnector has no circuit layer and device layer.

3 . The stretchable electronic device of claim 1 , wherein

the second insulating layer includes a plurality of openings exposing the first conductive laver; and

the interconnecting layer further includes a first bonding layer in the plurality of openings and electrically connecting the exposed first conductive layer to the second bonding layer.

4 . The stretchable electronic device of claim 3 , wherein the first bonding layer is in three or four of the plurality of openings in the one of the plurality of islands.

5 . The stretchable electronic device of claim 1 , wherein the plurality of devices are on the third insulating layer and the device layer further includes:

for each device of the plurality of devices, first and second electrodes each electrically connecting the device to the second conductive layer to input or output an electrical signal; and

a protective layer on and to protect the plurality of devices and the first and second electrodes.

6 . The stretchable electronic device of claim 1 ,

wherein the plurality of devices include a first device and a second device which have different types, and

wherein all of the first device and the second device are mounted on the one of the plurality of islands.

7 . The stretchable electronic device of claim 6 ,

wherein the first device includes a number of first devices, the second device includes a number of second devices, and the number of first devices is greater than the number of second devices, and

wherein the second devices are configured to control the first devices.

8 . The stretchable electronic device of claim 1 , wherein a number of the plurality of devices is n{circumflex over ( )}2, where n is natural number greater than 1.

9 . A stretchable electronic device comprising:

an array including a plurality of islands spaced apart from each other and an interconnector to perform a stretchable action between the plurality of islands, one of the plurality of islands including a device; and

an external connection to apply an electrical signal to the arrays,

wherein a configuration of the array includes:

an interconnecting layer including the interconnector and configured to supply the applied electrical signal from the external connection; to the plurality of islands through the interconnector;

a circuit layer on the interconnecting layer; and

a device layer on the circuit layer and including the device,

wherein the interconnector includes:

a first interconnector extending in a left-right direction; and

a second interconnector extending in an up-down direction, and

wherein three independent conductive lines are provided through the first and second interconnectors.