Reflecting mirror
First Claim
1. A reflecting mirror comprising:
- a substantially transparent glass substrate having opposite sides, a reflecting film which provided on one side of said glass substrate for reflecting light incident on the other side of said glass substrate, a hydrophilic coating predominantly composed of silicon dioxide, provided on the side of said glass substrate opposite said reflecting film, having a thickness ranging from 5 nm to 20 nm, and a photocatalytic coating predominantly composed of titanium dioxide, provided between said hydrophilic coating and said glass substrate, having a thickness ranging from 220 nm to 280 nm, for decomposing organic substances adhered on said hydrophilic coating by photocatalytic action.
1 Assignment
0 Petitions
Accused Products
Abstract
A reflecting mirror is obtained which prevents double images from being formed and provides sufficient the hydrophilic property. The hydrophilic coating is approximately 15 nm in thickness and the photocatalytic coating between the hydrophilic coating and the glass substrate is approximately 240 nm in thickness. This setting of dimensions reduces the surface optical reflectance of light having a wavelength ranging from approximately 550 nm to 580 nm. This also reduces the deterioration of the photocatalytic action caused by the diffusion of sodium ions contained in the glass substrate into the photocatalytic coating. Furthermore, the aforementioned setting of dimensions turns the color of surface reflected light to whitish. Even when images formed by the surface reflected light or images formed by reflected light from the reflecting film interfered by surface reflected light are viewed, the after-image thereof hardly remains.
10 Citations
7 Claims
-
1. A reflecting mirror comprising:
-
a substantially transparent glass substrate having opposite sides, a reflecting film which provided on one side of said glass substrate for reflecting light incident on the other side of said glass substrate, a hydrophilic coating predominantly composed of silicon dioxide, provided on the side of said glass substrate opposite said reflecting film, having a thickness ranging from 5 nm to 20 nm, and a photocatalytic coating predominantly composed of titanium dioxide, provided between said hydrophilic coating and said glass substrate, having a thickness ranging from 220 nm to 280 nm, for decomposing organic substances adhered on said hydrophilic coating by photocatalytic action. - View Dependent Claims (2, 3, 4, 5)
a reflecting film body for reflecting incident light, and an optical thin film, for selectively absorbing light of a wavelength other than a wavelength ranging mainly from 430 nm to 490 nm, provided between said reflecting film body and said glass substrate.
-
-
5. A reflecting mirror according to claim 3, wherein said glass substrate selectively absorbs light of a wavelength other than a wavelength ranging mainly from 430 nm to 490 nm of transmitted light.
-
6. A reflecting mirror comprising:
-
a substantially transparent glass substrate having opposite sides, a reflecting film provided on one side of said glass substrate and which reflects light incident on the other side of said glass substrate, a hydrophilic coating and provided on the other side of said glass substrate, and a photocatalytic coating, predominantly composed of titanium oxide, having a thickness ranging from 230 nm to 270 nm, provided between said hydrophilic coating and said glass substrate, for decomposing organic substances on said hydrophilic coating by photocatalytic action. - View Dependent Claims (7)
-
Specification