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Principle of capacitive touch screen? What is the difference between capacitive touch screen and resistive touch screen? part three

Principle of capacitive touch screen? What is the difference between capacitive touch screen and resistive touch screen? part three

Feb 06, 2024

 

4. The difference between capacitive touch screen and resistive touch screen

Working principle: The capacitive touch screen is based on the principle of capacitance change, and the resistive touch screen is based on the principle of resistance change.

Touch mode: The capacitive touch screen adopts pressure-free touch mode and can be operated with just a light touch. Resistive touch screens require a certain amount of pressure to bring the two resistive layers into contact for positioning.

Touch Sensing: Capacitive touch screens can sense conductor contact without the need for true physical contact. Resistive touch screens require physical contact and can only sense conductive objects.

Sensitivity: Capacitive touch screens are more sensitive and only require a light touch when touching. Resistive touch screens require a certain amount of pressure, so their sensitivity is low.

Multi-touch: The capacitive touch screen supports multi-touch and can achieve a variety of gesture operations. Resistive touch screens can only achieve single-touch control.

Light transmittance: The light transmittance of the capacitive touch screen is good and will hardly affect the display effect. The resistive touch screen will affect the display effect and needs to be protected by adding a light-transmitting layer.

Summarize:

Capacitive touch screens and resistive touch screens are two common touch screen technologies. They are very different in terms of principles, structures and characteristics. Capacitive touch screens use changes in capacitance to achieve touch positioning. Their features such as high sensitivity, fast response speed, and multi-touch support make them widely used in modern smart devices.

 

HEISSE TAGS : resistive touch screen
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