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HOW TOUCHSCREEN WORK
Touchscreen Method & Type
TYPES & FEATURES

Types and characteristics of Touchscreen Systems

There are many types of Touchscreens. Considering the characteristics of each type, they are used in a variety of fields and applications. DMC mainly provides projected capacitive touchscreens and analog resistive touchscreens.

  • Resistive Touchscreen

    The resistive film method has been the mainstream for a long time in industrial applications. This page introduces the methods and types based on the principle and structure.

  • Resistive
    Touchscreen
    Features
  • Resistive
    Touchscreen
    Principles
  • Resistive
    Touchscreen
    Structures
  • Resistive
    Touchscreen
    Products

  • Capacitive Touchscreen

    Capacitive touchscreens are the most popular type of touchscreen today. This section introduces the methods and types based on principles and structures.

  • Capacitive
    Touchscreen
    Features
  • Capacitive
    Touchscreen
    Principles
  • Capacitive
    Touchscreen
    structures
  • Capacitive
    Touchscreen
    Products

Comparison of resistive and projected capacitance methods

  Projected capacitance method Analog resistive film method
Operating principle
  • Electrodes are formed in a matrix on the panel
  • The capacitance between the finger and the electrode changes as the finger approaches
  • Touch position is detected by examining the change in capacitance increase between the vertical and horizontal electrodes
  • Upper and lower substrates with electrodes face each other through a gap
  • Touch pushes down the upper board and makes contact with the lower board
  • Detects the touch position by measuring the change in voltage upon contact
Strong point
  • High Durability
  • High Transmittance
  • Multi-touch Gestures
  • Improved design with Cover-Glass
  • Improved robustness with Cover-Glass
  • Flat Surface Design
  • Any input media can be used
  • High cost performance
  • Less susceptible to electrical noise
Weak point
  • Influence of ambient noise causes malfunction
  • Higher cost than resistive film
  • Durability is inferior to the capacitive method
  • Input needs to be thick.
Main applications Smart phones, tablet PCs, car navigation systems, vending machines, kiosk terminals, medical equipment, industrial equipment, office equipment, digital signage, electronic blackboards, arcade games Industrial equipment, POS terminals, kiosks, mobile terminals, medical equipment, financial terminals, automatic teller machines, ATMs, ticket vending machines
Available sizes 4.3～55inch 3.8～21.5inch
Multi-Touch ✔︎ ✔︎ or x
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