12.1-inch 2-layer ITO Film+ITO Glass Structure Analog 8-wire Resistive Touch Screen
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Dr Pan: Welcome to DISPLAY Museum. I am Dr Pan, the curator of Museum.
Greg: Hello, Dr Pan. I am Greg. I came here to learn about analog 8-wire resistive touch screen.
Dr Pan: Hello, Greg. Analog 8-wire resistive touch screen is an update of analog 4-wire resistive touch screen.
Dr Pan: The most vivid feature is 8-wire FPC.
Dr Pan: It is going to need two layers to achieve the touch function: Top sheet ITO film and Bottom sheet ITO glass. It is supposed that bottom layer is X electrode and top layer is Y electrode, anode end is 5.0 V and cathode end is 0 V.
Dr Pan: We presuppose that the voltages are evenly distributed between the Anode end and the Cathode end, but actually, they are not.
Dr Pan: We add 2 sensors to ITO glass and another 2 to ITO film to adjust the differences of the voltages. It improves the accuracy of the touch.
Greg: Dr Pan, I can barely see any difference between analog 4-wire resistive touch screen and analog 8-wire resistive touch screen, except the latter is more accurate at the touch.
Dr Pan: It is true. It isn’t widely used because it is almost the same as analog 4-wire resistive touch screen. It still can’t solve the short serving time problem. Besides, it is more expensive.
Greg: Thank you, Dr Pan. Now I got it.
Dr Pan: Welcome to contact us if you have any question.
