Electrical device

1. An electrical device comprising:

a first substrate and a second substrate which are disposed in an opposing manner so as to interpose a functional element;

a first electrode (rear surface electrode) which is provided more to the first substrate side than the functional element;

a second electrode which is provided on the second substrate and is electrically connected to the first electrode; and

the functional element and an electronic component which drives the functional element in a region which is a region where the first substrate and the second substrate overlap and which is interposed between the first electrode and the second electrode,

wherein at least a portion of the second substrate and the second electrode are disposed so as to wrap around to the first substrate side.

2. The electrical device according to claim 1 ,

wherein the second electrode is a common electrode of the functional element.

3. The electrical device according to claim 1 ,

wherein the first substrate is a laminate of a plurality of base materials, and

the first electrode or the electronic component is respectively disposed on the surface of the first substrate or between the plurality of base materials.

4. The electrical device according to claim 1 ,

wherein a third substrate is provided on the rear surface of the first substrate,

the first electrode is disposed between the first substrate and the third substrate, and

the first electrode is electrically connected with a portion of the second electrode via an external connection terminal which is connected to the electronic component provided on the rear surface.

5. The electrical device according to claim 1 ,

wherein at least a portion of the second substrate and the second electrode are disposed to wrap around onto the rear surface of the first substrate, and

the first electrode is electrically connected to a portion of the second electrode via an external connection terminal which is connected to the electronic component provided on the rear surface.

6. The electrical device according to claim 1 ,

wherein the first electrode is embedded in the first substrate.

7. The electrical device according to claim 1 ,

wherein the first electrode is provided on the rear surface of the first substrate.

8. The electrical device according to claim 1 ,

wherein a connection section which electrically connects the first electrode and the second electrode is formed along at least one side of the first substrate and the second substrate.

9. The electrical device according to claim 8 ,

wherein the connection section is configured from a plurality of wiring sections which are formed on different base materials and a plurality of contact holes which are formed on the different base materials, connect the plurality of wiring sections, and do not overlap in a planar view.

10. The electrical device according to claim 1 ,

wherein a connection section which electrically connects the first electrode and the second electrode is formed in at least one corner of a region where the functional element which is held between the first substrate and the second substrate exists.

11. The electrical device according to claim 1 ,

wherein one out of a pair of electrodes which interpose the functional element is the second electrode,

the other is a plurality of third electrodes which are formed on a surface on the functional element side of the first substrate, and

the electronic component is connected to the plurality of third electrodes via a plurality of connection wirings.

12. The electrical device according to claim 1 ,

wherein the electronic component is an electronic circuit, and

a protection circuit is provided between an output terminal of the electronic circuit and the first electrode.

13. The electrical device according to claim 1 ,

wherein the functional element is an electro-optical element.