Abstract: An electronic device includes a shell and a touch panel located in the shell. The touch panel includes a touch sensing unit, a signal transmitting circuit, a signal guiding circuit, a protection unit, and a driving unit. The signal transmitting circuit is electrically connected to the touch sensing unit and the driving unit. The signal guiding circuit surrounds the touch sensing unit and the signal transmitting circuit. The protection unit is electrically connected to the signal guiding circuit and ground. At least one switch signal is outputted from the driving unit and transmitted to the signal transmitting circuit and the signal guiding circuit. An external interference signal is received by the signal guiding circuit and guided to ground via the protection unit.

Abstract: A method for detecting a touch spot of the touch panel includes the following steps. The electrode pairs are scanned along the impedance direction to obtain an electrical signal curve for determining a first coordinate. A number of first driving electrodes and a number of second driving electrodes near the first coordinate are selected. The selected first driving electrodes are scanned to obtain a first sensing signal. The selected second driving electrodes are scanned to obtain a second sensing signal. A second coordinate is determined according to the first and second sensing signals. Finally, the touch spot is determined according to the first and second coordinates.

Abstract: This disclosure is related to a method for making a touch panel. The method includes following steps. A substrate having a surface is provided, wherein the surface defining a touch-view area and a trace area. A first mask layer is supplied to cover the trace area. An adhesive layer is applied on the touch-view area. A carbon nanotube film is placed on the adhesive layer and the first mask layer. The adhesive layer is solidified. The first mask layer and part of the carbon nanotube film on the trace area are removed to expose the trace area. An electrode and a conductive trace are formed on the trace area.

Abstract: The present application relates to a method for adjusting the sensitivity of a touch panel. A look up table is built. The look up table includes a charging station look up table and a discharging station look up table. The charging station look up table includes a threshold value (V0m) of a touch signal, an electrical quantity (A0i) corresponding to the threshold value (V0m), and a computational method g1. The discharging station look up table includes the threshold value (V0m), the electrical quantity (A0i), and a computational method g2. The current electrical quantity and whether the capacitive touch panel is charging are detected. According to the current electrical quantity, the state of charging or discharging, and the computational method g1 or g2, the threshold value (V0m) is adjusted.

Abstract: A touch display device includes a touch panel, a driving and sensing circuit, a data memory, a processor and a display apparatus. The touch panel is adapted to receive a touch trace including at least one touch point. The driving and sensing circuit is adapted to detect an actual signal value Vi of the at least one touch point. The data memory is adapted to store a look up table including a plurality of position coordinates and calibrating rules f each corresponding to each of the position coordinates and can be used to convert actual signal value V0i of a basic contact area A0 to a standard signal value Vs. The processor is adapted to calculate the position coordinate and calibrate the actual signal value Vi to a calibrated signal value V?i. The display apparatus is adapted to display the touch trace.

Abstract: The present disclosure relates to a method for making a plurality of touch panels one time. The method includes following steps. A substrate is provided. The substrate has a surface defining a number of target areas with each including two areas: a touch-view area and a trace area. An adhesive layer is formed on the surface of the substrate. A carbon nanotube film is formed on the adhesive layer. The adhesive layer is solidified. An electrode and a conductive trace are formed on each target area so that part of the carbon nanotube film is exposed from a space between adjacent conductive lines of the conductive trace to form an exposed carbon nanotube film on each trace area. The exposed carbon nanotube film on each trace area is removed to obtain a plurality of transparent conductive layers spaced from each other. A number of touch panels is obtained by cutting the substrate.

Abstract: The present disclosure relates to a method for making a touch panel. The method includes following steps. A substrate is provided, wherein the substrate has a surface and defines two areas: a touch-view area and a trace area; applying an adhesive layer on the surface of the substrate. A carbon nanotube film is placed on a surface of the adhesive layer. The adhesive layer is solidified. An electrode and a conductive trace are formed on a surface of the carbon nanotube film so that part of the carbon nanotube film on the trace area is exposed from space between adjacent conductive lines of the conductive trace to form an exposed carbon nanotube film. The exposed carbon nanotube film is removed.

Abstract: The present disclosure relates to a method for making touch panel. A substrate having a surface is provided. The substrate defines two areas: a touch-view area and a trace area. An adhesive layer is formed on the surface of the substrate. The adhesive layer on the trace area is solidified. A carbon nanotube layer is formed on the adhesive layer. The adhesive layer on the touch-view area is solidified. The carbon nanotube layer on the trace area is removed. At least one electrode and a conductive trace is formed.

Abstract: A printed circuit includes a number of conductive wires. Each of the conductive wires includes a first conductive wire section, a second conductive wire section, and a first connection section. The first connection section includes a first end and a second end opposite to the first end, the first end of the first connection section is connected to the first conductive wire section, and the second end of the first connection section is connected to the second conductive wire section. An angle between the first conductive wire section and the first connection section can be in a range from about 90 degrees to about 180 degrees.

Abstract: A patterned conductive element includes a substrate having a surface, an adhesive layer located on the surface, and a patterned carbon nanotube layer located on the adhesive layer. Part of the patterned carbon nanotube layer is embedded in the adhesive layer, and the other part of the patterned carbon nanotube layer is exposed from the adhesive layer.

Abstract: 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.

Abstract: A touch panel includes a conductive film having anisotropic impedance, a plurality of first electrodes, and a plurality of second electrodes. In a method for detecting a touch spot, a plurality of actual detecting signals are obtained by the first electrodes and the second electrodes, thereby determining two first electrodes and two second electrodes closest to the touch spot. The conductive film between the two first electrodes and two second electrodes is defined as a corrective area. An ideal resistance of the corrective area is set. An arbitrary electrode from the two first electrodes and two second electrodes is defined as electrode i. The actual detecting signal Si obtained by the electrode i is corrected according to a ratio of the ideal resistance to an actual resistance of the untouched corrective area.

Abstract: A computer includes a display screen, a computer body, a keyboard input portion and a touch input device. The computer body is connected with the display screen vie a connecting piece. The touch input device includes a touch panel. The keyboard input portion and the touch panel are located on a same surface of the computer body. The touch panel extends from one side to another side of the surface, and covers the whole surface of the computer body with the keyboard input portion.

Abstract: A touch input device includes a touch panel, a driving and sensing circuit, a data memory, and a processor. The touch panel is adapted to receive a touch trace including at least one touch point. The driving and sensing circuit is adapted to drive the touch panel and detect actual signal value Vi. The data memory is adapted to store a look up table including a plurality of position coordinates and a plurality of calibrating rules f each corresponding to each of the position coordinates. Each of the calibrating rules f can be used to convert actual signal value V0i of the touch point of a basic contact area A0 to a standard signal value Vs. The processor is adapted to calculate the position coordinate and calibrate the actual signal value Vi of the at least one touch point to a calibrated signal value V?i.

Abstract: A transparent conductive film includes a number of first transparent conductive stripes extending along a first direction and a number of second transparent conductive stripes extending along a second direction and intersecting the number of first transparent conductive stripes. The first conductive stripes are spaced from each other and extend substantially along a first direction. The second transparent conductive stripes are spaced from each other and extend substantially along a second direction. The first transparent conductive stripes are electrically connected with the second transparent conductive stripes. The first transparent conductive stripes and the second conductive stripes are arranged in patterns such that the transparent conductive film has an anisotropic impedance. The first direction is a low impedance direction.

Abstract: A touch panel includes an insulating substrate, a transparent conductive layer, a number of electrodes, a number of conductive wires, and at least one conductive zone. The transparent conductive layer corresponding to a touch area of the touch panel is fixed on the insulating substrate. The electrodes are electrically connected to the transparent conductive layer. The conductive wires are electrically connected to a controller and are respectively electrically connected to the electrodes. The at least one conductive zone has two ends. One of the two ends of the at least one conductive zone is electrically connected to the controller. The at least one conductive zone and the conductive wires are disposed in a trace area of the touch panel at a distance.

Abstract: An electronic paper display device includes an electronic paper display panel, and a functional layer. The electronic paper display panel includes a display surface. The functional layer is located on the display surface and includes a carbon nanotube touching functional layer, an anti-glare layer, and a waterproof layer. The carbon nanotube touching functional layer is located between the anti-glare layer and the electronic paper display panel. The waterproof layer is located between the carbon nanotube touching functional layer and the electronic paper display panel.

Abstract: An electronic paper display device includes an electronic paper display panel, and a functional layer. The electronic paper display panel includes a display surface. The functional layer is located on the display surface and includes a carbon nanotube touching functional layer.

Abstract: A hybrid touch panel includes a capacitive touch panel, an electromagnetic touch panel, and a display. The display is sandwiched between the capacitive touch panel and the electromagnetic touch panel. The capacitive touch panel includes a transparent conductive layer. The transparent conductive layer includes a porous carbon nanotube layer. A transmission rate of the porous carbon nanotube layer to an electromagnetic wave with a frequency from 600 KHz to 2000 MHz is larger than 80%.

Abstract: A conductive layer capable of passing through an electromagnetic wave is disclosed in present disclosure. The conductive layer includes a carbon nanotube film including a number of carbon nanotubes. The carbon nanotubes are joined firmly by van der Waals attractive force. The carbon nanotube film further includes a number of micro-gaps between the carbon nanotubes. A transmission rate of the carbon nanotube film to an electromagnetic wave with a frequency from 600 KHz to 2000 MHz is larger than 80%. An electronic device employing the conductive layer is also disclosed.