Method for making capacitive touch screen and capacitive touch screen
A capacitive touch screen, touch screen technology, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve the problems of insufficient OGS touch screen, difficulty in IC program debugging, etc., and achieve the effect of improving the linearity of capacitance
Active Publication Date: 2021-04-30
BOE TECH GRP CO LTD +1
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Problems solved by technology
[0003] At present, insufficient attention is paid to the linearity of capacitance of OGS touch screens, which has an impact on the scribing accuracy and resolution of products, and the larger the size of the product, the higher the linearity of capacitance, and the more difficult it is for IC program debugging. Therefore, Improving the capacitance linearity of OGS touch screen is conducive to improving product quality
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[0026] 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; 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 present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details being omitted, or other methods, components, devices, steps, etc. may be adopted.
[0027] It should be noted that in the drawings, the dimensions of layers and regions may be exaggerated for clarity of illustration. Also it will be understood that when an element or layer is referred to as being "on" another ...
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The disclosure provides a method for manufacturing a capacitive touch screen and the capacitive touch screen. The method for manufacturing a capacitive touch screen includes: forming a plurality of first touch electrodes arranged along a first direction, wherein each of the first touch electrodes includes a plurality of electrode units; forming a plurality of first touch electrodes arranged along a second direction second touch electrodes, wherein each of the second touch electrodes includes a plurality of electrode units, and the electrode units of the first touch electrodes and the electrode units of the second touch electrodes form capacitance at intersections; The difference between the capacitance value of the electrode units at the edge of the touch screen and the capacitance value of the electrode units in the middle area. The present disclosure can improve the capacitance linearity of the capacitive touch screen by reducing the difference between the capacitance value of the electrode units at the edge of the capacitive touch screen and the capacitance value of the electrode units in the middle area of the capacitive touch screen.
Description
technical field [0001] The present disclosure relates to the technical field of touch screens, in particular, to a method for manufacturing a capacitive touch screen and the capacitive touch screen. Background technique [0002] OGS (One Glass Solution) touch screen is a technology that directly forms an Indium Tin Oxide (ITO) layer and a sensor on a glass substrate, in which the glass substrate simultaneously functions as a glass cover and a touch sensor. Compared with the G / G touch technology, the OGS solution is advantageous because it saves a piece of glass substrate and the corresponding bonding process, which reduces the production cost. [0003] At present, insufficient attention is paid to the linearity of capacitance of OGS touch screens, which has an impact on the accuracy and resolution of product marking, and the larger the size of the product, the higher the linearity of capacitance, and the more difficult it is for IC program debugging. Therefore, Improving th...
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IPC IPC(8): G06F3/044
CPCG06F3/044G06F2203/04103
Inventor 张卫吴玲艳曾琴谢涛峰
Owner BOE TECH GRP CO LTD