1. A display device with integrated touch screen, comprising:
a panel including a plurality of electrodes;
a data driver for converting RGB data inputted from a timing controller into a data voltage, and supplying the data voltage to data lines;
a gate driver for sequentially supplying a gate signal to gate lines so as to apply the data voltage to pixels of the panel during a high logic period of a horizontal sync signal; and
a touch IC for supplying the touch scan signal to the plurality of electrodes every low logic period of the horizontal sync signal,
wherein the touch IC applies the touch scan signal, at least once, to each of the electrodes during one frame.
2. The display device of claim 1, wherein the touch IC calculates touch coordinates by receiving a touch sensing signal from the plurality of electrodes.
3. The display device of claim 2, wherein a touch report rate of the touch sensing signal during one frame is higher than a display frame rate during one frame.
4. The display device of claim 1, wherein the panel includes the plurality of electrodes which are divided into n-numbered groups wherein \u2018n\u2019 is an integer above 2.
5. The display device of claim 4, wherein the n-numbered group are divided in a gate line direction.
6. The display device of claim 4, further comprising a plurality of switches being switched to apply the touch scan signal outputted from the touch IC to any one of the n-numbered groups.
7. The display device of claim 6, wherein the plurality of switches are switched to apply the touch scan signal to any one of the groups of the panel during a low logic group period.
8. The display device of claim 6, wherein the low logic group period is the period including the plural low logic periods of horizontal sync signal, also is the period for which the touch scan signal is applied to all the electrodes included in any one group.
9. The display device of claim 6, wherein each of the switches is connected with one electrode by each group.
10. The display device of claim 6, wherein each of the switches is 1 to n demultiplexer.
11. The display device of claim 4, wherein the touch IC includes a plurality of 1 to n demultiplexers switched to apply the touch scan signal outputted from the touch IC to any one of the n-numbered groups.
12. A method of driving a display device with integrated touch screen comprising a panel including a plurality of electrodes, a touch IC, a gate driver and a data driver, comprising:
applying a data voltage to pixels of the panel during a high logic period of a horizontal sync signal by the gate driver and the data driver; and
supplying the touch scan signal to the plurality of electrodes every low logic period of the horizontal sync signal by the touch IC,
wherein the step of applying the touch scan signal is carried out by applying the touch scan signal, at least once, to each of the electrodes during one frame.
13. The method of claim 12, further comprising receiving the touch sensing signal in the touch IC from the plurality of electrodes, and calculating touch coordinates by the touch IC.
14. The method of claim 13, wherein a touch report rate of the touch sensing signal during one frame is higher than a display frame rate during one frame.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A surface acoustic wave device comprising an electrode made of a thin metal film and formed on a piezoelectric substrate, the electrode being made of an electrode material represented by the formula MxVy wherein M is aluminum or an aluminum-copper alloy, and V is vanadium, wherein x and y equal 100 wt. % and y is at least 0.10 wt. % to not greater than 0.2 wt. %.
2. A surface acoustic wave device according to claim 1 wherein the electrode is made of an electrode material represented by the formula MxVy wherein x and y equal 100 wt. % and y is at least 0.15 wt. % to not greater than 0.2 wt. %.
3. A surface acoustic wave device according to claim 1 wherein the electrode is made of an electrode material represented by the formula MxVy wherein x and y equal 100 wt. % and y is 0.15 wt. %.
4. A surface acoustic wave device comprising an electrode made of a thin metal film and formed on a piezoelectric substrate, the electrode being formed from an electrode material comprising a base material composed of aluminum or an aluminum-copper alloy, and vanadium, and dopants added to the base material for reducing the resistivity of the base material by annealing, the electrode being annealed, the electrode having the relationship of R1>R2 wherein R1 is the resistivity of the electrode before annealing, and R2 is the resistivity of the electrode after annealing.
5. A surface acoustic wave device according to claim 4 wherein the dopants for reducing the resistivity of the base material by annealing is palladium or platinum.
6. A surface acoustic wave device according to claim 5 wherein the electrode is made of an electrode material represented by the formula MxVyAz wherein A is palladium or platinum, M is aluminum or an aluminum-copper alloy, and V is vanadium, wherein x, y and z equal 100 wt. %, y is at least 0.10 wt. % to not greater than 0.2 wt. %, and z is equal to or not greater than 2.0 wt. %.
7. A surface acoustic wave device according to claim 6 wherein the electrode is formed from an electrode material represented by the composition formula MxVyAz wherein x, y and z equal 100 wt. %, y is at least 0.10 to not greater than 0.2, and z is at least 0.1 to equal to or not greater than 0.3.
8. A surface acoustic wave device comprising an electrode made of a thin metal film and formed on a piezoelectric substrate, the electrode comprising an orientation control layer formed on a surface of the piezoelectric substrate, and an electrically conductive layer formed on a surface of the orientation control layer, the orientation control layer being formed from a material capable of improving the orientation of the conductive layer, the conductive layer being made of a material represented by the formula MxVy wherein M is aluminum or an aluminum-copper alloy, V is vanadium, wherein x and y equal 100 wt. %, and y is at least 0.10 wt. % to not greater than 0.2 wt. %.
9. A surface acoustic wave device according to claim 8 wherein orientation control layers and conductive layers are alternately superposed on the surface of the piezoelectric substrate.
10. A surface acoustic wave device according to claim 8 wherein the orientation control layer is formed from titanium.
11. A surface acoustic wave device according to claim 8 wherein the orientation control layer is at least 15 nm to not larger than 20 nm in thickness.
12. A surface acoustic wave device according to claim 11 wherein the orientation control layer is 17 nm in thickness.
13. A surface acoustic wave device comprising an electrode made of a thin metal film and formed on a piezoelectric substrate, the electrode comprising an orientation control layer formed on a surface of the piezoelectric substrate, and an electrically conductive layer formed on a surface of the orientation control layer, the orientation control layer being formed from a material capable of improving the orientation of the conductive layer, the conductive layer being formed from a material represented by the formula MxVyAz wherein M is aluminum or an aluminum-copper alloy, V is vanadium, A is palladium or platinum, wherein x, y, and z equal 100 wt. %, y is at least 0.10 wt. % to not greater than 0.2 wt. %, and z is equal to or not greater than 2.0 wt. %.