1) The A surface of the 5-wire resistive touch screen is made of conductive glass instead of a conductive coating. The conductive glass process greatly improves the life of the A surface and can increase the light transmittance.
2) The 5-wire resistive touch screen delegates the tasks of the working surface to the long-life A side, while the B side is only used as a conductor, and uses a nickel-gold transparent conductive layer with good ductility and low resistivity. Therefore, B The life span of the noodles has also been greatly improved.
3) Another proprietary technology of the 5-wire resistive touch screen is to correct the linearity problem of the A surface through a precise resistor network. Due to the inevitable thickness unevenness of the production process, the voltage field may be unevenly distributed and precise resistance The network flows most of the current when it is working, so it can compensate for the linear distortion of the working surface.
The outer surface of the 5-wire resistive touch screen is conductive glass instead of a conductive coating. This conductive glass has a longer life span and a higher light transmittance. The 5-wire resistive touch screen is currently the best resistive touch screen, which is most suitable for use in military, medical, and industrial control fields.
The main difference between the 5-wire resistive touch screen and the 4-wire resistive touch screen is that the 5-wire resistive touch screen leads out the 4 ends of one of the conductive layers as 4 electrodes, and the other conductive layer is only used as a measuring conductor to output the X-axis and y-axis voltages. , The voltage should be applied alternately on the X axis and the axis during measurement. The surface layer of the 4-wire resistive touch screen plays the role of sensing and determination. The surface layer of the 5-wire resistive touch screen product is the load voltage layer, which does not play the role of determination. Therefore, if the surface of the 4-wire resistive touch screen is damaged, the touch screen will be unusable. Even if the surface of the 5-wire resistive touch screen is damaged, the touch operation will not be affected.
The 5-wire resistive touch screen has nothing to do with the external environment, and has strong environmental adaptability. The surface has scratch resistance greater than 4H and light transmittance greater than 95 percent . Moreover, the user wears gloves, pens, business cards and other materials. It can be touched. Due to its patented technology, it is the most high-end product among resistive touch screens. It is widely used in public inquiry systems, industrial control systems, medical systems and other fields.
The characteristic of 5-wire resistive touch screen is that the outer resistive layer is only used as a conductor layer. As one of the 5 wires, even if there is a crack, as long as it does not break, the detection calculation will not be affected, which undoubtedly greatly enhances the service life. In the inner resistive coating, the vertical and horizontal voltage distribution field technology of the 4-wire resistive touch screen technology is creatively and cleverly applied to the same coating. The structure is distributed on the X-axis of the thin strips made of metal oxide to form a forward voltage difference, and a reverse voltage difference is formed through the median point, forming a 4-line pattern on the same plane. The inner and outer coatings are still separated by insulating transparent isolation points. When pressed, the inner and outer coatings are connected by touch, causing a partial voltage of different resistances to be generated somewhere on the upper end of the downward voltage on the left side. Based on this, the controller calculates this The horizontal coordinate value of the touch. Each touch on the inner coating has a different corresponding U-axis coordinate value, and the coordinate in the F-axis direction is touched by the controller to measure the current flowing from the inner coating through the touch to the outer coating (one of the 5 lines) The value is OK. In addition to the 5-wire resistive touch screen, the service life is 10 times longer than that of the 4-wire type, reaching 35 million times. Its light transmittance and clarity are also very high. Since it works in a sealed and isolated state from the outside world, it is not afraid of pollution and has good environmental adaptability. Another outstanding feature of it is the high resolution, which can distinguish the touch of very sharp and thin stylus, but it is afraid of the hard poke of sharp objects.
