Touch control structure, touch control panel, VT testing method, display device and control method

A touch panel and display device technology, applied in the direction of instruments, electrical digital data processing, input/output process of data processing, etc., can solve the problems of affecting the display effect, visible touch electrodes, etc., and achieve the effect of ensuring consistency

Inactive Publication Date: 2016-07-20
XIAMEN TIANMA MICRO ELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the difference in electrical characteristics and driving capabilities between the touch electrodes and the common electrodes, it may cause the VCOM voltages on the touch electrodes and the common electrodes in different areas on the touch display panel to be different, which will lead to When the panel is displaying images, the touch electrodes are visible, which affects the display effect

Method used

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  • Touch control structure, touch control panel, VT testing method, display device and control method
  • Touch control structure, touch control panel, VT testing method, display device and control method
  • Touch control structure, touch control panel, VT testing method, display device and control method

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Embodiment Construction

[0057] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted.

[0058] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the invention. However, those skilled in the art will appreciate...

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PUM

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Abstract

The invention discloses a touch control structure, a touch control panel, a VT testing method, a display device and a control method.The touch control structure comprises multiple touch control electrodes, multiple first leads, multiple second leads and a grid electrode, and the touch control electrodes are correspondingly arranged in multiple grid areas of the grid electrode; the first leads are correspondingly connected with the touch control electrodes, and the second leads are correspondingly connected with multiple first branch parts; switch elements are electrically connected between the grid electrode and the touch control electrode, the switch elements are controlled to be switched on in the display stage, and common voltage signals are supplied to the touch control electrodes and the grid electrode through the first leads and the second leads respectively; the switch elements are controlled to be switched off in the touch control stage, and touch control signals are supplied to the touch control electrodes through the first leads.Accordingly, the switch elements are connected between the touch control electrodes and the common electrode, the touch control electrodes are short connected with the common electrode in the display stage, and the situation that the display effect is affected due to the fact that the touch control electrodes are visible can be avoided.

Description

technical field [0001] The present invention relates to the technical field of touch display, in particular to a touch structure, a touch panel and a VT test method thereof, a display device and a control method thereof. Background technique [0002] Currently, in the field of display panels, display panels with touch functions have become more and more mainstream display products, and various integration methods of display panels and touch panels have emerged, which can be described as various, such as incell, Out-of-the-box (oncell) and plug-in. On the other hand, if classified from the working principle, the display panel with touch function can be roughly divided into capacitive, resistive, infrared and so on. [0003] When the capacitive touch display panel is in the touch mode, it mainly locates the touch point according to the capacitance change of the touch electrode caused by sensing finger contact. When the capacitive touch display panel is in the display mode, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0418G06F3/044G06F2203/04112
Inventor 吴常志杨康鹏许育民黄敏
Owner XIAMEN TIANMA MICRO ELECTRONICS
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