Solar control coatings with discontinuous metal layer

A coated article, comprising:

• a glass substrate;
• and
• a coating over at least a portion of the substrate, the coating comprising:
• a first dielectric layer formed over at least a portion of the glass substrate;
• a continuous metallic layer formed over at least a portion of the first dielectric layer;
• a second dielectric layer formed over at least a portion of the first metallic layer;
• a subcritical metallic layer formed over at least a portion of the second dielectric layer such that the subcritical metallic layer forms discontinuous metallic regions;
• a third dielectric layer formed over at least a portion of the subcritical metallic layer;
• a third continuous metal layer formed over at least portion of the third dielectric layer;
• a third dielectric layer formed over at least a portion of the third metal layer;
• and
• a protective layer formed over at least a portion of the third metallic layer.

A coated article, comprising:

• a substrate;
• and
• a coating over at least a portion of the substrate, the coating comprising:
• a first dielectric layer formed over at least a portion of the substrate;
• a first metallic layer formed over at least a portion of the first dielectric layer;
• a second dielectric layer formed over at least a portion of the first metallic layer;
• a second metallic layer formed over at least a portion of the second dielectric layer;
• and
• a third dielectric layer formed over at least a portion of the second metallic layer,
• wherein at least one of the metallic layers is a subcritical metallic layer having discontinuous metallic regions.

A coated article, comprising:

• a substrate;
• a coating stack over at least a portion of the substrate, the coating stack comprising:
• a first dielectric layer;
• at least one discontinuous metallic layer over the first dielectric layer;
• and
• a second dielectric layer over the discontinuous metallic layer.

A coated article, comprising:

• a substrate;
• and
• a coating over at least a portion of the substrate, the coating comprising:
• a first dielectric layer formed over at least a portion of the substrate and comprising a zinc oxide layer over a zinc stannate layer;
• a first, continuous metallic silver layer comprising silver over the first dielectric layer;
• a first primer layer over the first continuous metallic silver layer, the first primer comprising titanium;
• a second dielectric layer over the first primer layer comprising a zinc stannate layer over a zinc oxide layer;
• a second, discontinuous metallic silver layer over the second dielectric layer;
• a second primer over the second discontinuous metallic silver layer and comprising a nickel-chromium alloy;
• a third dielectric layer over the second primer layer and comprising a zinc oxide layer, a zinc stannate layer, and another zinc oxide layer;
• a third continuous metallic silver layer over the third dielectric layer;
• a third primer layer comprising titanium over the third continuous metallic silver layer;
• a fourth dielectric layer comprising a zinc stannate layer over a zinc oxide layer over the third primer layer;
• and
• a protective coating comprising titania over the fourth dielectric coating.