Display device and method of manufacturing the same
A display device includes a first substrate including a conductive particle provided therein; a first line connected with the first substrate on the side of a first surface of the first substrate; a display element connected with the first line; and a second line connected with the first line via the conductive particle on the side of a second surface of the first substrate.
1. A display device, comprising:
a first substrate including a conductive particle provided therein;
a first line connecting the conductive particle from a side of a first flat surface of the first substrate;
a display element connecting the first line; and
a second line connecting the first line via the conductive particle from a side of a second flat surface of the first substrate, wherein
the conductive particle includes a conductive particle portion and an insulation coating portion surrounding the conductive particle portion,
a lower part of the conductive particle portion is exposed from the insulation coating portion, and connects the second line via an anisotropic conductive film from the side of the second flat surface of the first substrate, and
an upper part of the conductive particle portion is exposed from the insulation coating portion, and connects the first line from the side of the first flat surface of the first substrate.
2. The display device according to claim 1 , wherein:
the display element includes a pixel electrode, an electrooptical layer and a common electrode; and
the first line is connected with the pixel electrode.
3. The display device according to claim 1 , wherein the second line is connected with a thin film transistor on the side of the second surface.
4. The display device according to claim 1 , wherein the conductive particle is partially covered with a resin.
5. The display device according to claim 1 , wherein the first substrate is formed of a resin material.
6. The display device according to claim 1 , wherein the conductive particle has a size substantially equal to a thickness of the first substrate.
7. A display device, comprising:
a first substrate including a conductive particle provided therein;
a first line connecting the conductive particle from a side of a first flat surface of the first substrate;
a thin film transistor connecting the first line;
a display element connecting the thin film transistor; and
a second line connecting the first line via the conductive particle from a side of a second flat surface of the first substrate, wherein
the conductive particle includes a conductive particle portion and an insulation coating portion surrounding the conductive particle portion,
a lower part of the conductive particle portion is exposed from the insulation coating portion, and connects the second line via an anisotropic conductive film from the side of the second flat surface of the first substrate, and
an upper part of the conductive particle portion is exposed from the insulation coating portion, and connects the first line from the side of the first flat surface of the first substrate.
8. The display device according to claim 7 , wherein the conductive particle is partially covered with a resin.
9. The display device according to claim 7 , wherein the first substrate is formed of a resin material.
10. The display device according to claim 7 , wherein the conductive particle has a size substantially equal to a thickness of the first substrate.
11. A method for manufacturing a display device, comprising:
applying a resin material containing a conductive particle to a support substrate to form a resin layer;
etching or polishing the resin film from a first flat surface thereof to partially expose the conductive particle;
forming a first line connecting the conductive particle from a side of the first flat surface of the resin layer;
forming a display element connected with the first line;
peeling off the support substrate from the resin layer;
etching or polishing the resin layer from a second flat surface thereof to partially expose the conductive particle; and
bonding a substrate including a second line to the second flat surface of the resin layer to connect the conductive particle and the second line to each other, wherein
the conductive particle includes a conductive particle portion and an insulation coating portion surrounding the conductive particle portion,
a lower part of the conductive particle portion is exposed from the insulation coating portion, and connects the second line via an anisotropic conductive film from a side of the second flat surface of the first substrate, and
an upper part of the conductive particle portion is exposed from the insulation coating portion, and connects the first line from the side of the first flat surface of the first substrate.
12. The method for manufacturing a display device according to claim 11 ; wherein:
the display element includes a pixel electrode, an electrooptical layer and a common electrode; and
the first line is connected with the pixel electrode.
13. The method for manufacturing a display device according to claim 11 , wherein the second line is connected with a thin film transistor included in the substrate.
14. The method for manufacturing a display device according to claim 11 , wherein the conductive particle is partially covered with a resin.
15. The method for manufacturing a display device according to claim 11 , wherein the substrate including the second line and the second flat surface are bonded to each other with the anisotropic conductive film.