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Image display system and control method for touch-control panel

An image display system and touch panel technology, applied in the direction of instruments, electrical digital data processing, data processing input/output process, etc. indistinguishable

Active Publication Date: 2014-08-13
INNOLUX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that the known capacitive touch panel has insufficient resolution. In other words, if the contact area is too small, such as the tip of a stylus, the capacitive touch panel may not be able to distinguish
[0003] In addition, when a capacitive touch panel is placed on a thinner display device, parasitic capacitance and noise will be generated between the touch panel and the display device, and there is a problem that line-to-line (line-to-line) cannot be used due to frequency limitations. by-line) scanning problem

Method used

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  • Image display system and control method for touch-control panel
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  • Image display system and control method for touch-control panel

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Embodiment Construction

[0023] According to the present invention, it provides a capacitive touch panel applied to a display device of an image display system. In order to make the description of the present invention more detailed and complete, reference may be made to the following descriptions in conjunction with Figures 1 to 2e .

[0024] refer to figure 1 , which is a display system 1 according to an embodiment of the present invention, comprising an electronic device 10 having a display device 100 (such as a liquid crystal display device or an OLED display device), in particular a capacitive touch panel 200 mounted on the display device 100 , the display device 100 also includes a power supply (not shown) for the operation of the touch panel 200 , and the user can watch the image provided by the display device 100 through the capacitive touch panel 200 .

[0025] In this embodiment, the electronic device 10 with the display device 100 can be implemented as a mobile phone, a digital camera, a...

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PUM

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Abstract

The invention relates to an image display system and a control method for a touch-control panel. The image display system comprises a display device; the display device comprises a capacitance type touch-control panel and a power supply and is provided with a common electrode; the touch-control panel comprises a sensing capacitor module and a sampling capacitor; the sensing capacitor module is connected with the common electrode, and the capacitance of the sensing capacitor module is variable; and the sampling capacitor is selectively and electrically connected with the sensing capacitor module and the common electrode.

Description

technical field [0001] The present invention relates to an image display system. In particular, the image display system of the present invention includes a display device with a touch panel integrated thereon. Background technique [0002] In the prior art, the capacitive touch panel is seldom directly arranged on the screen or the display device, especially for thin display devices, such as liquid crystal screens. The reason is that the known capacitive touch panel has a problem of insufficient resolution. In other words, if the contact area is too small, such as the tip of a stylus, the capacitive touch panel may not be able to distinguish. [0003] In addition, when a capacitive touch panel is placed on a thinner display device, parasitic capacitance and noise will be generated between the touch panel and the display device, and there is a problem that line-to-line (line-to-line) cannot be used due to frequency limitations. by-line) scanning problem. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044
Inventor 杨凯杰
Owner INNOLUX CORP