摘要:
A surface capacitive touch panel, a driving method thereof, a display apparatus using the same, and an electronic apparatus using the same are provided. The surface capacitive touch panel includes a substrate, a conductive film, and a plurality of driving sensing electrodes. The conductive film is formed on the substrate. The conductive film has an anisotropy of impedance to define a lower impedance direction and a higher impedance direction. The driving sensing electrodes are disposed on at least one side of the conductive film and the at least one side is substantially perpendicular to the lower impedance direction. The surface capacitive touch panel of the invention has high positioning accuracy. The touch sensing accuracy of the display apparatus and the electronic apparatus using the surface capacitive touch panel is also desirable.
摘要:
A capacitive touch panel includes a first conductive film with anisotropic impedance, a second conductive film with conductive structures, and an insulating layer disposed between the first conductive film and the second conductive film. The conducting direction of the conductive structures is perpendicular to the direction of least impedance of the first conductive film.
摘要:
An apparatus and a method for controlling a touch panel are disclosed herein, the apparatus includes an object detection module and an adjusting device. The object detection module can detect a position of at least one object contacting the touch panel. A position analyzer recognizes position of the object and the adjusting device can set the touch panel to a predetermined position according to the result recognized by the position analyzer.
摘要:
A positioning method for a touch screen including a conductive layer having an anisotropic impedance and separated detecting electrodes disposed at a side of the conductive layer is provided. A first voltage is provided to the conductive layer. A second voltage is provided to the conductive layer when the touch screen is touched, wherein a touch point is defined as where the second voltage is applied. Voltages of the detecting electrodes are sequentially measured. The relative extreme voltage and the voltage of the detecting electrode closest to the relative extreme voltage are selected. A coordinate of the touch point in the conductive layer is determined according to the relative extreme voltage and where the detecting electrode providing the voltage closest to the relative extreme voltage is.
摘要:
A driving method and apparatus of a touch panel are provided. The touch panel includes a conductive layer with anisotropic conductivity. The method includes the following steps. An electrode pair is selected one by one in a plurality of electrode pairs. Each of the electrode pairs includes a first electrode and a second electrode. The first electrodes are disposed on a first side of the conductive layer, and the second electrodes are disposed on a second side of the conductive layer. When an electrode pair of the electrode pairs is selected, the first electrode and the second electrode of the selected electrode pair are driven one by one.
摘要:
A multi-touch detecting method is adapted for detecting touched points on a touch panel that includes first and second conductive films. The first conductive film exhibits electric anisotropy, and has a lower resistivity in a first direction. The multi-touch detecting method includes: applying a first voltage to the first conductive film; applying a second voltage greater than the first voltage to the second conductive film; measuring sequentially voltages at different measuring points of the first conductive film; obtaining a first local maximum voltage, a second local maximum voltage and a local minimum voltage from the measured voltages; determining a first location of the touched points based on a location of the measuring point corresponding to the first local maximum voltage; and determining a second location of the touched points based on a location of the measuring point corresponding to the second local maximum voltage.
摘要:
A method for detecting a touch spot of the touch panel includes the following steps. The electrode pairs are scanned along the impedance direction for determining a first coordinate. A number of electrode pairs near the first coordinate are selected to obtain an electrode pair signal. The first driving electrodes of the selected electrode pairs are scanned to obtain a first signal. The second driving electrodes of the selected electrode pairs are scanned to obtain a second signal. A second coordinate is determined according to the electrode pair signal, first signal, and second signal. Finally, the touch spot is determined according to the first coordinate, and second coordinate.
摘要:
The present invention relates to a touch panel. The touch panel includes a sensor, an optically clear adhesive layer, and a cover lens. The sensor has a surface. The optically clear adhesive layer is located on the surface of the sensor. The cover lens is located on a surface of the optically clear adhesive layer. The touch panel defines two areas: a touch-view area and a trace area. A space is defined between the sensor and cover lens in the trace area. The space is filled with dielectric material with a permittivity less than a permittivity of the optically clear adhesive layer.
摘要:
A touchscreen includes a touch panel including a plurality of sensor electrodes, a drive circuit including a plurality of the first transistors respectively corresponding to the sensor electrodes. The drive circuit is configured for detecting voltage on the sensor electrodes. When the touchscreen is initializing, a first voltage is provided to pre-charge the sensor electrodes, and a second voltage is provided to further charge the sensor electrodes via each first transistor. In addition, the first voltage and a voltage difference formed between the first and the second voltage are both less than or about equal to the source-drain withstanding voltage of each first transistor.
摘要:
An electronic paper display device includes an electronic paper display panel, and a functional layer. The electronic paper display panel includes a common electrode layer and a display surface. The functional layer is located on the display surface and includes a carbon nanotube touching functional layer. A distance between the common electrode layer and the carbon nanotube touching functional layer is above 100 microns and equal to or less than 2 millimeters.