	US 11,709,297 B2
	Articles coated with coatings containing light absorption materials
Zhixun Ma, Pittsburgh, PA (US); Dennis J. O'Shaughnessy, Allison Park, PA (US); and Adam D. Polcyn, Pittsburgh, PA (US)
Assigned to Vitro Flat Glass LLC, Cheswick, PA (US)
Filed by Vitro Flat Glass LLC, Cheswick, PA (US)
Filed on Sep. 23, 2019, as Appl. No. 16/578,659.
Claims priority of provisional application 62/735,632, filed on Sep. 24, 2018.
Prior Publication US 2020/0096687 A1, Mar. 26, 2020
Int. Cl. G02B 5/22 (2006.01); C03C 17/36 (2006.01)

CPC G02B 5/22 (2013.01) [C03C 17/3618 (2013.01); C03C 17/3644 (2013.01); C03C 17/3649 (2013.01); C03C 17/3657 (2013.01)]

21 Claims

1. A coated article comprising:

a substrate; and

a coating applied over at least a portion of the substrate, the coating comprising:

a first dielectric layer over at least a portion of the substrate;

a first metallic layer over at least a portion of the first dielectric layer;

a second dielectric layer over at least a portion of the first metallic layer; and

an overcoat comprising a light absorbing layer,

wherein the overcoat further comprises two protective films consisting of silica, alumina, or mixtures thereof over at least a portion of the second dielectric layer,

wherein the light absorbing layer comprises Ge, GeO_x, Hf, HfO_x, HfO₂, NbN_x, NbN_xO_y, Si_aAl_b, Si_aAl_bO_x, Si_aCo_b, Si_aCo_bO_x, Si_aCO_bCu_c, Si_aCo_bCu_cO_x, Si_aCr_b, Si_aCr_bO_x, Si_aNi_b, SiNiO_x, SiO_x, SnN_x, SnO_x, SnO_xN_y, TiN_x, Ti_aNb_bN_x, Ti_aNb_bO_x, Ti_aNb_bO_xN_y, TiO_xN_y, WO_x, WO₂, ZnO:Co, ZnO:Fe, ZnO:Mn, ZnO:Ni, ZnO:V, ZnO:Cr, Zn_aSn_b, Zn_aSn_bO_x, or any combination thereof,

wherein a, b, and c are weight percentages of an element,

wherein b is less than or equal to 1−a,

wherein c is less than or equal to 1−a−b, and

wherein x and y are weight percentages in the range of 0 weight percent to any number being a full oxide and/or nitride.