Conductive film with networked nano-material
A conductive film includes a base film, a primer layer formed on the base film, the primer layer having voids, and a conductive layer formed on the primer layer. The conductive layer includes a conductor that contains a nano-material forming a network structure.
1. A conductive film comprising:
a base film;
a primer layer on the base film, the primer layer having a plurality of voids being non-conductive and filler particles; and
a conductive layer on the primer layer, the conductive layer including a conductor that contains a nano-material for forming a network structure, wherein the conductive layer includes:
a conductive region in which the conductor is provided, and
a non-conductive region in which the conductor is not provided,
wherein the plurality of voids are provided in a first portion of the primer layer that corresponds to the non-conductive region of the conductive layer, and
wherein the filler particles are provided in a second portion of the primer layer that corresponds to the conductive region of the conductive layer.
2. The conductive film according to claim 1 , wherein the conductor includes a silver nano-wire.
3. An electronic device comprising the conductive film according to claim 1 .
4. The conductive film according to claim 1 , wherein the filler particles include at least one of calcium carbonate and an oxide.
5. The conductive film according to claim 4 , wherein the oxide includes at least one selected from the group consisting of zirconium oxide, silicon oxide and iron oxide.
6. The conductive film according to claim 1 , wherein the filler particles have a particle diameter of 20 nm to 150 nm.
7. The conductive film according to claim 1 , wherein a volume ratio of the filler particles is 10% to 30%.
8. The conductive film according to claim 1 , wherein a volume ratio of the voids in the first portion of the primer layer is 10% to 30%.
9. The conductive film according to claim 1 , wherein a difference in diffuse reflectivity between the conductive region and the non-conductive region is 1.5% or less.
10. The conductive film according to claim 9 , wherein the difference in diffuse reflectivity between the conductive region and the non-conductive region is 0.7% or less.
11. The conductive film according to claim 1 , further comprising:
an over-coating layer for covering the conductor on the conductive layer,
wherein voids having a network structure are formed in a portion of the over-coating layer corresponding to the non-conductive region of the conductive layer.
12. The conductive film according to claim 1 , wherein the voids have a particle diameter of 20 nm to 150 nm.
13. The conductive film according to claim 1 , wherein the primer layer has a thickness of 50 nm to 200 nm.
14. The conductive film according to claim 1 , wherein the primer layer includes a curable resin.
15. The conductive film according to claim 1 , wherein the primer layer has a refractive index of 1.56 to 1.6.