Laminate glass ceramic articles with UV-and NIR-blocking characteristics and methods of making the same

Patent metadata

Field	Value
Publication number	US-11890833-B2
Application number	US-202217734276-A
Country	US
Kind code	B2
Filing date	May 2, 2022
Priority date	Dec 15, 2017
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

A laminate glass-ceramic article is provided that includes: a core glass layer having a first coefficient of thermal expansion (CTE); and a plurality of clad glass-ceramic layers, each having a CTE that is lower than or equal to the first CTE of the core glass layer. A first of the clad glass-ceramic layers is laminated to a first surface of core glass layer and a second of the clad glass-ceramic layers is laminated to a second surface of the core glass layer. Further, a total thickness of the plurality of clad glass-ceramic layers is from about 0.05 mm to about 0.5 mm. In addition, each of the glass-ceramic layers includes: an alumino-boro-silicate glass, 0 mol %≤MoO3≤15 mol %, and 0 mol %≤WO3≤15 mol %, the WO3 (mol %) plus the MoO3 (mol %) is from 0.7 mol % to 19 mol %.

First claim

What is claimed is:

1. A glass-ceramic article, comprising:
an alumino-boro-silicate glass, comprising:
0 mol %≤MoO 3 ≤15 mol %,
0 mol %≤WO 3 ≤15 mol %,
1 mol %≤Al 2 O 3 ≤20 mol %,
0.1 mol %≤R 2 O≤15 mol %, R 2 O is one or more of Li 2 O, Na 2 O, K 2 O and Cs 2 O, and

a glassy phase and at least one crystalline phase selected from the group consisting of a stoichiometric crystalline phase, a non-stoichiometric crystalline phase and a mixed stoichiometric and non-stoichiometric crystalline phase,
wherein the WO 3 (mol %) plus the MoO 3 (mol %) is from 0.7 mol % to 19 mol %,
wherein R 2 O (mol %) minus the Al 2 O 3 (mol %) is from −12 mol % to 4 mol %, and
wherein the at least one crystalline phase comprises a crystalline phase of M x WO 3 and/or M y MoO 3 , wherein M is at least one of H, Li, Na, K, Rb, Cs, Mg, Ca, Sr, Sn, P, S, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Se, Zr, Nb, Ru, Rh, Pd, Ag, Cd, In, Sb, Te, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ta, Os, Ir, Pt, Au, Tl, Pb, Bi, and U, and wherein 0≤x≤1 and 0≤y≤1.

2. The glass-ceramic article of claim 1 , further comprising:
40 mol %≤SiO 2 ≤80 mol %;
1 mol %≤Al 2 O 3 ≤20 mol %;
3 mol %≤B 2 O 3 ≤50 mol %;
0 mol %≤R 2 O≤15 mol %, R 2 O is one or more of Li 2 O, Na 2 O, K 2 O and Cs 2 O;
0 mol %≤RO≤2 mol %, RO is one or more of MgO, CaO, SrO and BaO;
0 mol %≤P 2 O 5 ≤3 mol %; and
0 mol %≤SnO 2 ≤0.5 mol %,
wherein R 2 O (mol %) minus the Al 2 O 3 (mol %) is from −12 mol % to 4 mol %.

3. The glass-ceramic article of claim 2 , further comprising: 0.7 mol %≤WO 3 ≤15 mol %, and 0 mol %≤MoO 3 ≤0.1 mol %, and further wherein the WO 3 (mol %) plus the MoO 3 (mol %) is from 0.7 mol % to 15 mol %.

4. The glass-ceramic article of claim 2 , further comprising: 0 mol %≤WO 3 ≤0.1 mol %, and 3 mol %≤MoO 3 ≤10 mol %.

5. The glass-ceramic article of claim 2 , further comprising: 0.1 mol %≤WO 3 ≤7 mol %, and 0.1 mol %≤MoO 3 ≤15 mol %.

6. The glass-ceramic article of claim 1 , further comprising a total transmittance of less than or equal to 5% at ultraviolet (UV) wavelengths below 390 nm and a total transmittance from about 1% to about 15% in the near infrared (NIR) spectrum from 700 nm to 1500 nm.

7. The glass-ceramic article of claim 6 , further comprising a total transmittance from about 1% to about 30% in the visible spectrum from 400 nm to 700 nm.

8. The glass-ceramic article of claim 6 , further comprising a total transmittance of greater than or equal to about 70% in the visible spectrum from 400 nm to 700 nm.

Assignees

• Corning Inc

Inventors

• Dejneka Matthew John
• Kohl Jesse

Classifications

• B32B17/101 Primary

  having a predetermined coefficient of thermal expansion [CTE] · CPC title

• B32B7/027

  Thermal properties · CPC title

• B32B17/06 Primary

  comprising glass as the main or only constituent of a layer, next to another layer of a specific {material} · CPC title

• B32B17/10045

  with at least one intermediate layer consisting of a glass sheet · CPC title

• B32B17/10678

  comprising UV absorbers or stabilizers, e.g. antioxidants · CPC title