Integral apparatus for sensing touch and force
A technology that integrates devices and pressure, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve problems such as difficult bonding and high cost of sensors
Inactive Publication Date: 2017-12-05
SUPERC TOUCH CORP
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[0002] Thin, light and small mobile devices have driven the trend of touch display panels, and due to the maturity of touch man-machine interface technology and the continuous improvement of users' demand for 3D touch operations, pressure touch technology has also been introduced; the known Pressure touch display panels often place micro-electromechanical pressure sensors on the edge or corner of the display panel to sense the touch pressure on the surface of the panel. Not only the cost of the sensor is high, but it is also difficult to fit
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[0033] For the detailed description and technical content of the present invention, please refer to the following detailed description and accompanying drawings as follows. It should be noted that the accompanying drawings and detailed description are for illustration purposes only, and are not intended to limit the scope of protection of the present invention.
[0034] refer to figure 1 As shown, it is a schematic diagram of a touch device 10a, the touch device 10a includes a touch panel 20a, a touch detection integrated circuit (IC) 700a located on a flexible circuit board 80a, the touch device 10a The flexible printed circuit board 80a is electrically connected to a host 600a to receive commands from the host 600a, or to transmit touch detection results to the host 600a. Secondly, the touch panel 20a includes several conductive pads 22a and electrode connecting lines 24a; the touch panel 20a has several touch electrodes TE1~TEn, which are respectively electrically connected...
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An integral apparatus for sensing touch and force includes a touch-control panel, a force electrode layer, a touch sensing integrated circuit, and a force sensing integrated circuit. In a touch sensing operation, a plurality of touch sensing electrodes of the touch-control panel are electrically connected to the touch sensing integrated circuit through a plurality of switch circuits in the force sensing integrated circuit to conduct the touch sensing operation. In a force sensing operation, the touch sensing electrodes are electrically connected to a capacitance sensing circuit in the force sensing integrated circuit through a plurality of switch circuits in the force sensing integrated circuit to conduct a force sensing operation.
Description
technical field [0001] The invention relates to a sensing device, in particular to a touch sensing and pressure sensing integrated device. Background technique [0002] Thin, light and small mobile devices have driven the trend of touch display panels, and due to the maturity of touch man-machine interface technology and the continuous improvement of users' demand for 3D touch operations, pressure touch technology has also been introduced; the known For pressure touch display panels, MEMS pressure sensors are usually placed on the edge or corner of the display panel to sense the touch pressure on the surface of the panel. The sensor is expensive and difficult to attach. There are also fine and deformable elastic microstructures produced by complex production procedures, which increase the correlation between pressure and deformation, thereby generating more changes in physical quantities for detection; therefore, there is still room for improvement in pressure-sensing touch ...
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IPC IPC(8): G06F3/044
CPCG06F3/044G06F2203/04107G06F3/0446G06F3/0443G06F3/04164G06F3/04166G06F3/0445G06F3/0448G06F2203/04105
Inventor 李祥宇金上林丙村
Owner SUPERC TOUCH CORP