Projected Capacitive Touch Screen Solutions

Projected Capacitive Touch Screen Solutions

Yunlea is a leading provider of projected capacitive touch screens (PCAP), offers exceptional solutions for various industries and applications. Our PCAP touch screens are widely used in transportation, healthcare, agriculture, and industrial markets, showcasing our unparalleled expertise in building solutions for demanding applications. Since the introduction of the iPhone in 2007, multi-touch PCAP technology has revolutionized the way we interact with mechanical devices and people. Today, interacting with touch screens in public spaces has become commonplace. As the market for touch devices continues to evolve, we can design the ultimate solution for your next project.

We not only offer a wide range of touch screen technologies with countless substrate options and endless stacking possibilities, but also provide custom cover glass and graphics for exquisite products that set you apart from competitors. Yunlea's touch technology consistently delivers outstanding optical performance and unmatched durability for applications such as land navigation systems, ATMs, and handheld medical devices.

Pinch, zoom, swipe, scroll - all can be accomplished with our customized multi-touch screens. Here's an overview of our projected capacitive touch screens:

  • Multi-touch capability - up to 40 points
  • Wear-resistant
  • Water-friendly
  • Excellent optical performance
  • High-resolution capability
  • Flexible sensors - conforming to curved surfaces
  • Reliable performance in extreme environments
  • Finger, glove, or passive stylus input
  • Supports up to 9mm glass or plastic cover plate
  • Accurate touch coordinates with no drift

Let us transform your next project with our expertise in projected capacitive touch screen solutions. Contact our dedicated team to discuss your requirements and discover how Yunlea can enhance your business with interactive experiences.

PCAP Specifications


Light Transmission:

Film/Film - 82% ± 3 (Typical)*



Glass/Glass - 89% ± 3 (Typical)*


Input Method:

Finger, Glove, Stylus


Insulation Impedance:

Exceeds 20M Ohms, @10KV


Operational Voltage:

D.C. 5V


Surface Hardness:

3H to 6H


Touch Activation Space:

25-50g Force for Finger and Passive Stylus (Typical)


Operational Temperature:

-15 C ~ 70 C*


Storage Temperature:

-40 C - 80 C*



10% - 90% RH, Non-Condensing


Touch Durability:

300 Million Touches in a Single Location (Electrically)



250 Million Touches in a Single Location (Cosmetically)



UL 94HB (Varies Based on Touch Screen Materials)*


Chemical Resistance:

Tested for Resistance to Methyl Alcohol (50%)



Ethyl Alcohol (50%), Toluene, Acetone, Benzene, Etc.


Touch Screen Thickness (Glass):

0.7mm (Standard)



1 Years


How PCAP Works

Projected Capacitive (PCAP) touch screens are a popular technology used in various devices, including smartphones, tablets, and interactive displays. These touch screens utilize a specific construction method to enable accurate and responsive touch input. The Yunlea brand incorporates advanced PCAP technology into their touch screens, providing a high-quality user experience.

The basic principle behind PCAP touch screens involves the use of a sensing mechanism known as an Indium Tin Oxide (ITO) layer, which is positioned beneath the touch surface. Unlike traditional touch screens, PCAP touch screens do not rely on moving parts for input detection. Instead, they utilize the concept of mutual capacitance.

Mutual capacitance takes advantage of the fact that conductive objects can hold a charge when they are in close proximity to each other. In the case of PCAP touch screens, this property is used to detect touch input. When a conductive object, such as a finger, comes into contact with the touch surface, it creates an interruption in the charge field.

To accurately detect and locate touch input, PCAP touch screens employ a scanning method. The touch screen consists of a matrix of rows and columns, which are scanned or read one by one to obtain a reading or count. By analyzing the results from multiple row/column intersections, the touch screen can triangulate the precise touch location.

Yunlea, as a leading brand in the PCAP touch screen industry, incorporates innovative technology and design to ensure exceptional performance. Their touch screens offer high sensitivity and responsiveness, allowing users to interact with devices seamlessly. The advanced scanning technique employed by Yunlea touch screens ensures precise and accurate touch detection, resulting in an enhanced user experience.

In summary, Yunlea's PCAP touch screens utilize an ITO layer and mutual capacitance to detect touch input. With their sophisticated scanning method and cutting-edge technology, Yunlea touch screens deliver exceptional performance and responsiveness, making them an ideal choice for a wide range of applications.