1. A photoelectric cell comprising:
a first insulating base having on its surface a first electrode layer, said first electrode layer having on its surface a metal oxide semiconductor film on which a photosensitizer is adsorbed, wherein the metal oxide semiconductor film is obtained by implanting ions of at least one gas selected from the group consisting of O2, N2, H2, neon, argon, krypton and other inert gases of Group 0 of the periodic table and thereafter annealing;
a second insulating base having on its surface a second electrode layer, said first electrode layer and said second electrode layer arranged opposite to each other; and
an electrolyte sealed between the metal oxide semiconductor film and the second electrode layer,
wherein:
at least one of said first insulating base having an electrode layer and said second insulating base having an electrode layer is transparent; and
the metal oxide semiconductor film comprises anatase titanium oxide particles obtained by decomposing peroxotitanic acid.
2. The photoelectric cell as claimed in claim 1, wherein the anatase titanium oxide particles have a crystalline diameter ranging from 5 to 50 nm.
3. The photoelectric cell as claimed in claim 1, wherein the anatase titanium oxide particles are colloid particles having an average particle diameter ranging from 5 to 600 nm.
4. The photoelectric cell as claimed in claim 1, wherein peroxotitanic acid is decomposed by subjecting it to heating and aging.
5. The photoelectric cell as claimed in claim 1, wherein the metal oxide semiconductor layer contains a titanium oxide binder.
6. The photoelectric cell as claimed in claim 1, wherein the metal oxide semiconductor layer is one obtained by implanting ions of at least one gas selected from the group consisting of O2, N2, H2, neo, argon and krypton and thereafter annealing.
7. The photoelectric cell as claimed in claim 1, wherein the metal oxide semiconductor layer has a core volume of 0.05 to 0.8 mlg and an average pore diameter of 2 to 250 nm.
8. The photoelectric cell as claimed in claim 2, wherein the anatase titanium oxide particles are colloid particles having an average particle diameter ranging from 5 to 600 nm.
9. The photoelectric cell as claimed in claim 2, wherein the peroxotitanic acid is decomposed by subjecting it to heating and aging.
10. The photoelectric cell as claimed in claim 3, wherein the anatase titanium oxide particles are those obtained by subjecting peroxotitanic acid to heating and aging.
11. A coating liquid for forming a metal oxide semiconductor film for use in a photoelectric cell, comprising peroxotitanic acid, anatase titanium oxide particles that have been obtained from an alkaline solution of peroxotitanic acid and a dispersion medium, wherein the coating liquid has an alkaline pH.
12. The coating liquid as claimed in claim 11, wherein the anatase titanium oxide particles are those obtained by subjecting the peroxotitanic acid solution to heating and aging.
13. A process for producing a metal oxide semiconductor film for use in a photoelectric cell, comprising applying the coating liquid of claim 11 to a substrate to thereby a coating film and curing the coating film.
14. The process as claimed in claim 13, wherein the curing of the coating film is performed by irradiating the coating film with ultraviolet light.
15. A process for producing a metal oxide semiconductor film for use in a photoelectric cell, comprising applying the coating liquid of claim 12 to substrate to thereby obtain a coating film and curing the coating film.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A touch-screen liquid crystal display, comprising: an array substrate, a counter substrate provided opposite to the array substrate, liquid crystal between the array substrate and the counter substrate, an induction read-out circuit and a scanning circuit,
wherein the counter substrate is provided thereon with an upper electrode plate, and the array substrate is provided thereon with a lower electrode plate; the upper electrode plate and the lower electrode plate form a first capacitor for induction; the array substrate comprises a touch unit provided within a pixel region, and
the touch unit comprises a second capacitor, a photosensitive thin film transistor (TFT) and a resetting TFT;
wherein the drain electrode of the photosensitive TFT is connected to the lower electrode plate, and the drain electrode of the photosensitive TFT is also connected to the scanning circuit; and an output-signal line of the touch unit is connected to the read-out circuit, and
wherein the second capacitor is connected between the drain electrode and a source electrode of the photosensitive TFT; the source electrode and a gate electrode of the photosensitive TFT and a source electrode of the resetting TFT are all electrically connected to the output-signal line of the touch unit; a drain electrode of the resetting TFT is connected to a charging-signal line; and a gate electrode of the resetting TFT is connected to a resetting-signal line.
2. The touch-screen liquid crystal display according to claim 1, wherein spacers are provided between the counter substrate and the array substrate.
3. The touch-screen liquid crystal display according to claim 2, wherein the spacers are post spacers, and the upper electrode plate is in the same shape as the spacers.
4. The touch-screen liquid crystal display according to claim 1, wherein the photosensitive TFT is provided in a region, other than a display region and a black-matrix region, within the pixel region.
5. The touch-screen liquid crystal display according to claim 1, wherein the touch unit further comprises a coupling capacitor, and the induction coupling capacitor is connected between the scanning circuit and the drain electrode of the photosensitive TFT.
6. The touch-screen liquid crystal display according to claim 1, wherein the charging-signal line and the output-signal line are parallel to a data line on the array substrate.
7. The touch-screen liquid crystal display according to claim 1, wherein the counter substrate is a color-filter substrate.
8. The touch-screen liquid crystal display according to claim 1, wherein one touch unit is provided for two or more pixel regions.