GLASS LAMINATE AND PORTABLE ELECTRONIC DEVICE
A glass laminate includes a glass substrate; and an anti-reflection layer laminated on the glass substrate and a minimum of absorbances of the glass laminate in wavelengths of 380 to 780 nm is 0.01 or more.
1 . A glass laminate comprising: a glass substrate; and an anti-reflection layer laminated on the glass substrate, wherein
a minimum of absorbances of the glass laminate in wavelengths of 380 to 780 nm is 0.01 or more.
2 . The glass laminate according to claim 1 , wherein an average of the absorbances of the glass laminate in the wavelengths of 380 to 780 nm is 0.1 or more.
3 . The glass laminate according to claim 1 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for vertically incident light in wavelengths of 420 to 680 nm is 0.5% or less.
4 . The glass laminate according to claim 3 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for vertically incident light in wavelengths of 440 to 620 nm is 0.3% or less.
5 . The glass laminate according to claim 1 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for 45° incident light in wavelengths of 420 to 680 nm is 1.0% or less.
6 . The glass laminate according to claim 5 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for 45° incident light in wavelengths of 440 to 620 nm is 0.6% or less.
7 . The glass laminate according to claim 1 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for vertically incident light in wavelengths of 420 to 680 nm is more than 0.5%.
8 . The glass laminate according to claim 7 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for vertically incident light in wavelengths of 440 to 620 nm is more than 0.3%.
9 . The glass laminate according to claim 1 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for 45° incident light in wavelengths of 420 to 680 nm is more than 1.0%.
10 . The glass laminate according to claim 9 , wherein a difference between a maximum and an average of spectral reflectances of the glass laminate for 45° incident light in wavelengths of 440 to 620 nm is more than 0.6%.
11 . The glass laminate according to claim 1 , wherein a minimum of spectral reflectances of an anti-reflection layer side of the glass laminate for vertically incident light in wavelengths of 380 to 780 nm is 3% or less.
12 . The glass laminate according to claim 1 , wherein an average of spectral reflectances of an anti-reflection layer side of the glass laminate for vertically incident light in wavelengths of 380 to 780 nm is 3% or less.
13 . The glass laminate according to claim 12 , wherein the average of the spectral reflectances is 0.2 to 3%.
14 . The glass laminate according to claim 1 , wherein a lightness L* of light emitted from an F2 light source in an L*a*b* color system and reflected by an anti-reflection layer side of the glass laminate is less than 25.
15 . The glass laminate according to claim 14 , wherein the lightness L* is 1.5 to 20.
16 . The glass laminate according to claim 1 , further comprising an antifouling layer on the anti-reflection layer.
17 . The glass laminate according to claim 1 , wherein the anti-reflection layer comprises: a multi-layer and a surface protection layer on the multi-layer, the multi-layer including a high-refractive index layer and a low-refractive index layer.
18 . The glass laminate according to claim 1 , wherein the anti-reflection layer comprises three to ten layers.
19 . The glass laminate according to claim 1 , wherein an average spectral reflectance of the glass laminate for the vertically incident light in wavelengths of 440 to 620 nm is 0.3 to 2%.
20 . The glass laminate according to claim 1 , wherein a surface roughness Ra of an anti-reflection layer side of the glass substrate according to JIS B0633 (2001) is 0.2 to 1 μm.
21 . The glass laminate according to claim 1 , for an exterior of an electronic device.
22 . The glass laminate according to claim 21 , wherein the electronic device is a portable electronic device.
23 . The glass laminate according to claim 1 , for an exterior of a building material or an indoor device.
24 . A portable electronic device comprising an electric device and the glass laminate according to claim 1 on the electronic device.