Touch panel, manufacturing method thereof, and display device
A technology for touch panels and substrates, which is applied in the fields of instruments, calculations, and electrical digital data processing, etc., and can solve problems such as poor adhesion, metal residue on the flexible circuit board 102, and the inability to effectively reduce the risk of flexible circuit board falling off, etc.
Active Publication Date: 2020-12-01
KUSN INFOVISION OPTOELECTRONICS
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Problems solved by technology
As we all know, the adhesion between metal and glass is better but the adhesion between metal and metal is poor, and the line bonding area for bonding and connecting with the flexible circuit board 102 is a double-layer metal structure, which will make the flexible circuit board 102 bonded. The circuit board 102 is easy to fall off, and there will be obvious metal residues on the fallen flexible circuit board 102
[0005] In the current existing technology, only by improving the design of the flexible circuit board to reduce the force of the line bonding area, it will be limited by the design of the flexible circuit board and cannot effectively reduce the risk of the flexible circuit board falling off
Method used
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[0025] Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. In the various figures, identical elements are indicated with similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale. In the following, many specific details of the present invention are described, such as device structures, materials, dimensions, processing techniques and techniques, for a clearer understanding of the present invention. However, the invention may be practiced without these specific details, as will be understood by those skilled in the art. In order to avoid obscuring the essence of the present invention, well-known methods, procedures, and flow charts are not described in detail.
[0026] figure 2 A structural diagram of a touch panel according to an embodiment of the present invention is shown. The touch panel 200 includes: a substrate 4, a plurality of electrodes located in the...
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The invention discloses a touch panel, a preparation method thereof and a display device. The touch panel comprises a substrate, a plurality of electrodes, a plurality of binding pads and flexible circuit boards, wherein the plurality of binding pads are correspondingly connected with the plurality of electrodes through leads; the flexible circuit boards are bound on the plurality of binding pads; each binding pad comprises a first metal layer and a second metal layer; through holes are formed in the first metal layers; and the second metal layers are in contact with the substrate through the through holes. According to the touch panel, the through holes are formed in the first metal layer, the second metal layers are in contact with the substrate through the through holes, and adhesive force between metal and glass is relatively strong, so that the risk that the flexible circuit boards fall off from the binding pads can be effectively reduced.
Description
technical field [0001] The present invention relates to the fields of touch control and liquid crystal display, and more specifically, to a touch panel, a manufacturing method thereof, and a display device. Background technique [0002] Touch panel (Touch Panel) is currently the most simple, convenient and natural way of human-computer interaction. It endows multimedia with a new look and is a very attractive new multimedia interactive device. [0003] The touch panel generally includes a touch function area and a circuit binding area. When a finger touches the display screen, the flexible circuit board processes the touch signals on the touch electrodes to realize the touch function. [0004] figure 1 A cross-sectional view of a wire bonding area in the prior art is shown. The leads include a first lead layer 10 and a second lead layer 20, a first insulating layer 30 is arranged between the first lead layer 10 and the second lead layer 20, and a second insulating layer 4...
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IPC IPC(8): G06F3/041
CPCG06F3/0412G06F2203/04103
Inventor 刘鹏张云杨莉牛孝思
Owner KUSN INFOVISION OPTOELECTRONICS