Touch detecting function display apparatus, driving circuit, driving method of touch detecting function display apparatus and electronic equipment
First Claim
1. A touch detecting function display apparatus comprising:
- a plurality of common driving electrodes that are disposed in parallel so as to extend in one direction;
a display element that performs display based on a pixel signal and a display driving signal;
a touch detection element that detects an external approaching object based on a touch detection driving signal; and
a scanning driving unit that performs first scanning driving for sequentially applying the display driving signal to the plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying the touch detection driving signal to the plurality of common driving electrodes in a time division manner,wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.
4 Assignments
0 Petitions
Accused Products
Abstract
A touch detecting function display apparatus includes a plurality of common driving electrodes, a display element performing display, a touch detection element detecting an external approaching object, and a scanning driving unit performing first scanning driving for sequentially applying a display driving signal to the plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying a touch detection driving signal to the plurality of common driving electrodes in a time division manner, wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.
61 Citations
13 Claims
-
1. A touch detecting function display apparatus comprising:
-
a plurality of common driving electrodes that are disposed in parallel so as to extend in one direction; a display element that performs display based on a pixel signal and a display driving signal; a touch detection element that detects an external approaching object based on a touch detection driving signal; and a scanning driving unit that performs first scanning driving for sequentially applying the display driving signal to the plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying the touch detection driving signal to the plurality of common driving electrodes in a time division manner, wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A display apparatus comprising:
-
a plurality of driving electrodes; a display element that performs display based on a display driving signal; a detection element that performs detection based on a detection driving signal; and a scanning driving unit that performs first scanning driving for applying the display driving signal to the plurality of driving electrodes and second scanning driving for applying the detection driving signal to the plurality of driving electrodes at a scanning speed different from that of the first scanning driving. - View Dependent Claims (9, 10)
-
-
11. A driving circuit comprising a scanning driving unit that performs first scanning driving for sequentially applying a display driving signal to a plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying a touch detection driving signal to the plurality of common driving electrodes in a time division manner, for a touch detecting function display unit that includes the plurality of common driving electrodes disposed in parallel so as to extend in one direction;
- a display element performing a display based on a pixel signal and the display driving signal; and
a touch detection element detecting an external approaching object based on the touch detection driving signal,wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.
- a display element performing a display based on a pixel signal and the display driving signal; and
-
12. A driving method of a touch detecting function display apparatus comprising:
-
performing first scanning driving for display based on a pixel signal and a display driving signal by sequentially applying the display driving signal to a plurality of common driving electrodes which are disposed in parallel so as to extend in one direction in a time division manner and sequentially applying the pixel signal to pixel electrodes corresponding to the common driving electrode to which the display driving signal is applied in synchronization with the application of the display driving signal in a time division manner; performing second scanning driving for sequentially applying a touch detection driving signal used to detect an external approaching object to the plurality of common driving electrodes at a scanning speed higher than that of the first scanning driving in a time division manner; and applying the display driving signal to an overlapping common driving electrode when the common driving electrodes selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.
-
-
13. Electronic equipment comprising:
-
a touch detecting function display apparatus; and a control unit that performs an operation control using the touch detecting function display apparatus, wherein the touch detecting function display apparatus includes a plurality of common driving electrodes that are disposed in parallel so as to extend in one direction; a display element that performs display based on a pixel signal and a display driving signal; a touch detection element that detects an external approaching object based on a touch detection driving signal; and a scanning driving unit that performs first scanning driving for sequentially applying the display driving signal to the plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying the touch detection driving signal to the plurality of common driving electrodes in a time division manner, wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.
-
Specification