Display panel and manufacturing method thereof
A technology for display panels and manufacturing methods, which is applied in the directions of instruments, computing, and electrical digital data processing, etc., can solve the problems of excessive wiring size, small contact area, and high cost, and achieve narrow frame design, enhanced conductive effect, The effect of increasing the contact area
Pending Publication Date: 2018-11-30
GUANGZHOU GOVISIONOX TECH CO LTD
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Problems solved by technology
Among them, TX or RX includes several metal wires and transparent electrodes stacked, and the commonly used transparent electrode is ITO (indium tin oxide). With the popularization of flexible display products, the disadvantages of ITO are gradually exposed: due to its large resistance, The problems of high cost and poor damage resistance limit the development of flexible touch screens
[0004] Based on the above factors, in recent years, it has become a trend to replace ITO with nano-metal wires such as nano-silver wires that have outstanding performance in terms of conductivity, light transmittance, and bendability. Problems, such as the contact area between each silver nanowire and the wiring in the subsequent wiring layer is small, and a larger size wiring is required to ensure that enough nanosilver wires touch the wiring and make it conduct. Trace size is not conducive to narrow bezel design
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[0031] It has been mentioned in the background that although metal oxides such as ITO have excellent light transmittance and conductivity, they are not suitable for the preparation of flexible devices due to their problems of high resistance, high cost, and poor damage resistance. Therefore, the industry is trying to develop materials to replace ITO such as conductive polymers, carbon nanotubes, graphene, silver nanowires, etc. Among them, silver nanowires (Silver Nano Wires, SNW) are transparent conductive films prepared due to the nanoscale size effect. The surface is flat, resistant to bending, and has good electrical conductivity. It is considered to be the preferred alternative material for metal oxides.
[0032] However, there are still technical problems that need to be solved urgently in the silver nanowire itself. The diameter of a single silver nanowire is very small, which will lead to the contact between it and the wiring not surface-to-surface, but point-to-surface...
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Abstract
The invention discloses a display panel and a manufacturing method thereof. The display panel comprises a substrate; a nano metal wire layer comprising a plurality of nano metal wires disposed on thesubstrate; a wiring layer disposed on at least a part of the nano metal wire layer, wherein the nano metal wires in the nano metal wire layer are welded on the wiring layer by fusion. According to thedisplay panel and the manufacturing method, the nano metal wires in the nano metal wire layer are welded on the wiring layer by fusion, the contact area between a single nano metal wire and the wiring layer is increased, and the conductive effect of the contact point between the single nano metal wire and the wiring layer is improved, so that the wiring layer can be conducted by connecting few nano metal wires. The reduction of the size of the wiring layer can be achieved conveniently, and the design of a narrow frame is facilitated.
Description
technical field [0001] The present invention relates to the field of touch technology, in particular to a display panel and a manufacturing method thereof. Background technique [0002] Touch panel (English full name is Touch Panel), also known as touch screen and touch screen, is a device formed on the display surface of an image display device, which uses conductors such as human body or capacitive pen to input commands, and can replace the mouse, keyboard, etc. Input devices such as external input devices and mechanical input keys can effectively simplify the structure of electronic products such as computers and mobile phones, and have very broad application prospects. [0003] The touch panel includes a substrate and a touch structure formed on the substrate. The touch position is sensed by the capacitance change of the touch structure. The touch structure includes two pairs of touch electrodes, which are commonly referred to as TX (transmission signal electrode) and R...
Claims
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IPC IPC(8): G06F3/041G06F3/045
CPCG06F3/0412G06F3/045G06F2203/04102G06F2203/04103
Inventor 董强
Owner GUANGZHOU GOVISIONOX TECH CO LTD