Substrate for liquid crystal display device, liquid crystal display element, and liquid crystal display device
A substrate for liquid crystal display includes at least: at least two substrates (a glass substrate and a TFT substrate); a liquid crystal layer disposed between the substrates; an ITO film that applies an electric field to the liquid crystal layer; a photospacer that regulates cell thickness (a thickness of a liquid crystal layer) between the substrates; a light-shielding film; and a colored layer, in which at least a part of the photospacer is formed on the light-shielding film or at a portion where the light-shielding film and the colored layer overlap; and the light-shielding film includes at least one of a resin and a precursor thereof and also includes metal particles having a silver-tin alloy portion.
1. A substrate for liquid crystal display comprising at least:
at least two substrates;
a liquid crystal layer disposed between the substrates;
an electrode that applies an electric field to the liquid crystal layer;
a photospacer that regulates cell thickness between the substrates;
a light-shielding film; and
a colored layer, wherein
at least a part of the photospacer is formed on the light-shielding film or at a portion where the light-shielding film and the colored layer overlap; and
the light-shielding film includes at least one of a resin and a precursor thereof and also includes metal particles having a silver-tin alloy portion.
2. The substrate for liquid crystal display of claim 1 , wherein the ratio of silver in the metal particles having a silver-tin alloy portion is in a range of 30 to 80% by mole.
3. The substrate for liquid crystal display device of claim 1 , wherein an in-plane height variation of the light-shielding film is within 0.2 μm in terms of 3σ (σ: a standard deviation among measurement points taken every 1 cm on a 1 m×1 m substrate).
4. The substrate for liquid crystal display of claim 1 , wherein the amount of the metal particles in the light-shielding film is in a range of 5 to 20% by volume with respect to the total solid content of the light-shielding film.
5. The substrate for liquid crystal display device of claim 1 , wherein the light-shielding film is formed by a coating process.
6. The substrate for liquid crystal display device of claim 1 , wherein the light-shielding film is formed by a transfer process.
7. The substrate for liquid crystal display device of claim 1 , wherein the metal particles have a number average particle size in a range of 20 to 700 mm.
8. A liquid crystal display element, comprising the substrate for liquid crystal display of claim 1 .
9. A liquid crystal display device, comprising the liquid crystal display element of claim 8 .