Claims
- 1. A colored film-covered glass article which comprises a glass substrate sheet and, covering one surface thereof, a colored film which comprises:
- silicon oxide greater than 50 to 95 wt. %;
- at least one member selected from the group consisting of zirconium oxide, tantalum oxide and titanium oxide 0-30 wt. %;
- cerium oxide 0-25 wt. %;
- gold as coloring particles 5-20 wt. %,
- wherein the colored film has a thickness of 50 nm to 180 nm and a visible light reflectance, both at the one surface and at a second surface of the glass substrate sheet opposite the one surface, which is 10.0% or below.
- 2. A colored film-covered glass laminate which comprises: a glass substrate sheet and, covering one surface thereof, a colored film which comprises:
- silicon oxide greater than 50 to 95 wt. %;
- at least one member selected from the group consisting of zirconium oxide, tantalum oxide and titanium oxide 0-30 wt. %;
- cerium oxide 0-25 wt. %;
- gold as coloring particles 5-20 wt. %;
- the colored film having a thickness of 50 nm to 180 nm; and a glass plate laminated to the colored film-covered one surface of the glass substrate sheet, the glass laminate having a visible light reflectance of 10.0% or below.
- 3. A colored film-covered glass article according to claim 1, wherein said colored film comprises:
- silicon oxide 55-93 wt. %;
- at least one member selected from the group consisting of zirconium oxide, tantalum oxide and titanium oxide 0-15 wt. %;
- cerium oxide 0-20 wt. %;
- gold as coloring particles 7-17 wt %.
- 4. A colored film-covered glass article according to claim 1, wherein said glass article has transmitted light color expressed by a chromaticity of a=-5.0.about.10 and b=-15.about.6.0 and a lightness, L, =20.about.90 when expressed by the Lab color system.
- 5. A colored film-covered glass article according to claim 4, wherein said glass article has transmitted light color expressed by a chromaticity of a=-5.0.about.30 and b=-5.0.about.3.0 and a lightness, L, =40.about.90 when expressed by the Lab color system.
- 6. A colored film-covered glass article according to claim 5, wherein said glass article has transmitted light color expressed by a chromaticity of a=-3.0.about.3.0 and b=-3.0.about.3.0 and a lightness, L, =50.about.90 when expressed by the Lab color system.
- 7. A colored film-covered glass article according to claim 1, wherein said glass article has a sunlight transmittance of 55% or below.
- 8. A colored film-covered glass article according to claim 1, wherein said glass article has a UV transmittance (Tuv(ISO)) of 12% or below.
- 9. A colored film-covered glass article according to claim 1, wherein said glass substrate sheet has a thickness of 1.5.about.5.5 mm, a transmitted light chromaticity of a value of a of -10.0.about.-2.0 and a value of b of -4.0.about.4.0 when expressed by the Lab color system, a UV transmittance (at a wavelength of 370 nm) of 10.about.70%, a visible light transmittance of 40.about.85%, and a sunlight transmittance of 20.about.80%.
- 10. A colored film-covered glass article according to claim 9, wherein said glass substrate sheet has a transmitted light color expressed by chromaticity of a=-10.0.about.-4.0 and b=-1.0.about.4.0 when expressed by the Lab color system.
- 11. A colored film-covered glass article according to claim 9, wherein said glass substrate has a UV light transmittance (Tuv(ISO)) of 15% or below.
- 12. A colored film-covered glass article according to claim 2, wherein said glass substrate sheet and said glass plate, respectively, have a thickness of 1.5 mm.about.2.5 mm, and a laminate of said glass substrate sheet not covered with the colored film and said glass plate has a transmitted light chromaticity of a value of a of -10.0.about.-2.0 and a value of b of -4.0.about.4.0 when expressed by the Lab color system, a UV transmittance (at a wavelength of 370 nm) of 0.about.70%, a visible light transmittance of 70.about.85, and a sunlight transmittance of 40.about.80%.
- 13. A colored film-covered glass article according to claim 12, wherein said laminate of said substrate sheet not covered with the colored film and said glass plate has a transmitted light chromaticity of a value of a of -10.0.about.-4.0 and a value of b of -1.0.about.4.0 when expressed by the Lab color system.
- 14. A colored film-covered glass article according to claim 12, wherein said laminate of said substrate sheet not covered with the colored film and said glass plate has a UV transmittance (Tuv(ISO)) of 15% or below.
- 15. A colored film-covered glass article which comprises a colored film comprising:
- silicon oxide 55-93 wt. %; and
- gold as coloring particles 7-17 wt. %,
- and having a thickness of 60.about.150 um, the colored film being covered on a surface of a glass substrate sheet or on the inner surface of a glass substrate sheet of a laminate with another other glass sheet, and the colored film-covered glass article having a transmitted light color expressed by a chromaticity of a of -3.0-3.0 and b of -3.0-3.0 and a lightness L of 50-90 when expressed by the Lab color system, a UV light transmittance (Tuv(ISO)) of 10% or below, a sunlight transmittance of 55% or below, a visible light reflectance at opposing sides of 10.0% or below, wherein the glass substrate sheet not covered with the colored film or the glass substrate sheet of the laminate has a thickness of 1.5-5.5 mm, a transmitted light chromaticity of a value of a of -10.0-4.0 and a value of b of -1.0-4.0 when expressed by the Lab color system, a UV transmittance at a wavelength of 370 nm of 10-70%, a UV transmittance, expressed as Tuv(ISO), of 15% or below, a visible light transmittance of 40-85%, and a sunlight transmittance of 20-80%.
- 16. A colored film-covered glass article according to claim 15, wherein said glass article has a reflected light chromaticity of a of -4.0.about.2.0 and b of -3.0.about.2.0 when expressed by the Lab color system.
- 17. A colored film-covered glass article according to claim 1, wherein visible light reflectance at the second surface of the glass substrate is 8% or less.
- 18. A process for preparation of a colored film-covered glass article which comprises a glass substrate sheet covered on one surface thereof with a colored film which comprises:
- silicon oxide greater than 50 to 95 wt. %;
- at least one member selected from the group consisting of zirconium oxide, tantalum oxide and titanium oxide 0-30 wt. %;
- cerium oxide 0-25 wt. %;
- gold as coloring particles 5-20 wt. %,
- wherein the colored film has a thickness of 50 nm to 180 nm and visible light reflectance, at a second surface of the glass substrate sheet, opposite the one surface, no greater than 10.0%,
- said process comprising:
- coating the one surface of the glass substrate with a solution containing:
- (1) silicon alkoxide;
- (2) chloroauric acid; and
- (3) organic solvent;
- drying the coated glass substrate sheet at 100-400.degree. C.; and then
- thermally treating the dried coating at a temperature above 500.degree. C.
- 19. A process according to claim 18 wherein the coating solution further contains at least one organic compound selected from the group consisting of organic compounds of zirconium, tantalum and titanium.
- 20. A process according to claim 18 wherein the coating solution further contains an organic or inorganic compound of cerium.
Priority Claims (2)
Number |
Date |
Country |
Kind |
8-39226 |
Feb 1996 |
JPX |
|
8-322476 |
Dec 1996 |
JPX |
|
CROSS REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of application Ser. No. 08/849,508, filed Jun. 9, 1997 for "Colored Film-Covered Glass Articles, now abandoned.
US Referenced Citations (3)
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
849508 |
Jun 1997 |
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