Shielding structure for electromagnetic waves

A shielding structure for electromagnetic waves, comprising:

• a first glass plate having a first surface and a second surface opposing the first surface;
• a second glass plate provided on the second surface of the first glass plate, the second glass plate having a third surface adjacent to the second surface and a fourth surface opposing the third surface;
• a metal frame surrounding edges of the first and second glass plates;
• a first transparent conductive layer provided on the first surface of the first glass plate;
• a second transparent conductive layer provided on the fourth surface of the second glass plate;
• and
• a circuit block provided on the fourth surface of the second glass plate and spaced apart from the second transparent conductive layer,
• wherein the first transparent conductive layer comprises a first area and a second area in contact with each other, wherein the first transparent conductive layer on the first area has a lattice structure in which first unit lattices are connected to each other,
• wherein the second transparent conductive layer comprises a third area and a fourth area in contact with each other, wherein the second transparent conductive layer on the third area has a lattice structure in which second unit lattices are connected to each other,
• wherein a length of one side of each of the first and second unit lattices is about 0.02 times to about 0.05 times a wavelength λ of an electromagnetic wave to be blocked.

A shielding structure for electromagnetic waves, comprising:

• a substrate having a first surface and a second surface opposing each other;
• a first conductive layer provided on the first surface of the substrate;
• and
• a second conductive layer provided on the second surface of the substrate,
• wherein the first conductive layer has a lattice structure in which first unit lattices are connected to each other, and
• the second conductive layer has a lattice structure in which second unit lattices are connected to each other,
• wherein a width of each of the first and second unit lattices is about 0.02 times to about 0.05 times a wavelength 2 of an electromagnetic wave to be blocked.