Plate including fine pattern, and electronic device including same
Disclosed is an electronic device that includes a first plate that forms a first surface of the electronic device through which contents are output, a second plate that forms a second surface facing away from the first surface, and a side member that surrounds a space between the first plate and the second plate. The second plate includes a UV curable resin layer including a fine pattern that implements an interference effect and a prism effect of light and a metal nanoparticle layer printed on the fine pattern so as to have a specific orientation. Besides, it may be permissible to prepare various other embodiments speculated through the specification.
1. An electronic device comprising:
a first plate configured to form a first surface of the electronic device through which contents are output;
a second plate configured to form a second surface facing away from the first surface; and
a side member configured to surround a space between the first plate and the second plate,
wherein the second plate includes:
a UV curable resin layer including a fine pattern configured to implement an interference effect and a prism effect of light; and
a metal nanoparticle layer printed on the fine pattern so as to have a specific orientation,
wherein the fine pattern is formed in a shape including ridges and valleys,
wherein metal nanoparticles included in the metal nanoparticle layer are disposed in the valley,
wherein a cross section of the metal nanoparticles is shaped as an ellipse with a first length in a long axis direction and a second length in a short axis direction, and
wherein inclined surfaces between the ridges and the valleys of the fine pattern are inclined with respect to the long axis direction and the short axis direction.
2. The electronic device of claim 1 , wherein a distance between the ridges of the fine pattern is greater than a height between the ridges and the valleys of the fine pattern.
3. The electronic device of claim 1 , wherein a cross-section of the fine pattern has a triangular shape, and the fine pattern has a form in which the cross-section extends in one direction.
4. The electronic device of claim 1 , wherein a cross-section of the fine pattern has a triangular wave shape, and the fine pattern has a form in which the cross-section extends in one direction.
5. The electronic device of claim 1 , wherein a cross-section of the fine pattern has a sinusoidal wave shape, and the fine pattern has a form in which the cross-section extends in one direction.
6. The electronic device of claim 1 , wherein the fine pattern has a lenticular form.
7. The electronic device of claim 1 , wherein the second plate includes:
a glass substrate; and
a polymer compound film attached to the glass substrate through a transparent adhesive layer, and
wherein the polymer compound film includes:
a polymer compound substrate; and
a primer layer printed on the polymer compound substrate and configured to implement a color of the second plate.
8. The electronic device of claim 7 , wherein the UV curable resin layer is formed by coating UV molding on the primer layer and transferring the fine pattern to the UV molding through a mold.
9. The electronic device of claim 1 , wherein the metal nanoparticle layer is formed by printing a silver paste containing the metal nanoparticles on the fine pattern through a silk screen method.
10. The electronic device of claim 9 , wherein the metal nanoparticles are printed on the fine pattern by repeatedly performing the silk screen method in a certain direction.