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Device combined with capacitive touch sensor, and manufacturing method thereof

A capacitive touch and sensor technology, applied in the direction of instruments, electrical digital data processing, input/output process of data processing, etc.

Active Publication Date: 2018-08-17
SOLOMON SYSTECH CHINA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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Method used

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  • Device combined with capacitive touch sensor, and manufacturing method thereof
  • Device combined with capacitive touch sensor, and manufacturing method thereof
  • Device combined with capacitive touch sensor, and manufacturing method thereof

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Embodiment Construction

[0103] In the following detailed description, for purposes of illustration and not limitation, specific details are set forth in order to provide a better understanding of the present disclosure. It will be apparent to those skilled in the art that the present disclosure may be practiced in other embodiments that depart from these specific details.

[0104] figure 1 An exemplary touch sensor 10 is shown with an exemplary touch sensing controller 12, commonly referred to in the art as a touch integrated circuit (touch IC) or touch sensor / screen controller / chip ( TSC). Touch sensor 10 and touch-sensing controller 12 may detect the presence and location of a touch or the proximity of an object within the touch-sensitive area of ​​touch sensor 10 . Touch sensor 10 may include one or more touch-sensitive areas. The touch sensor 10 may include an electrode array that may be arranged in a single layer or in multiple layers. The electrode array is typically a conductive material,...

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Abstract

The invention provides a device combined with a capacitive touch sensor, and a manufacturing method thereof, wherein the device comprises a set of crossing X and Y electrodes whose crossing points form a two-dimensional array of nodes which define a touch sensitive area. As well as the main electrode spines which cross, referred to as zeroth order electrode branches, the electrodes have higher order branches, some of which interdigitate. By varying the dimensions of the electrode branches, such as width and length, the overall area of the X and Y electrodes can be varied relatively independently of each other. It is therefore possible to produce an electrode pattern in which the self capacitances of the X and Y electrodes have a certain ratio, e.g. unity, and thereby compensate for the aspect ratio of the touch sensitive area, and / or to have a certain absolute value, e.g. in order not to overload a touch-sensor controller to which the sensor is to be connected.

Description

technical field [0001] The present invention relates to position sensitive capacitive touch sensors and in particular, but not exclusively, to capacitive touch sensors integrated with displays to form touch screens. Background technique [0002] A capacitive touch sensor, hereinafter simply referred to as a touch sensor, can detect the approach of an object such as a user's finger or a stylus or the presence and position of a touch on a surface. Touch sensors are often combined with a display to create a touch screen. In other devices, the touch sensor is not combined with the display, for example, the touchpad of a laptop computer. Touchscreens enable users to interact directly with what is displayed on the screen through a graphical user interface (GUI), rather than indirectly using a mouse or trackpad. For example, a touch sensor can be attached to or be part of a mobile phone, tablet or laptop. [0003] Touch sensors can be classified into grid and matrix types. In t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/044
CPCG06F3/044G06F3/0443G06F3/0446G06F3/0448G06F2203/04103G06F3/0412G06F2203/04112G06F3/047
Inventor 贾斯汀·安东尼·察尔其大卫·布伦特·咖尔德
Owner SOLOMON SYSTECH CHINA LTD
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