How to Customize a Suitable Capacitive Touch Screen

How to Customize a Suitable Capacitive Touch Screen

Capacitive touch screens are integral to modern devices—from smartphones and tablets to industrial control panels and automotive displays. Known for their high sensitivity, multi-touch capability, and durability, capacitive touch screens must be carefully selected and customized to match your application needs. Here's a practical guide to help you build the perfect capacitive touch screen solution.

1. Define the Application

Your target application determines everything from touch technology to size and surface treatments:

  • Consumer Devices: Need high sensitivity and sleek design.

  • Industrial Equipment: Requires glove and water support, anti-glare coating, and rugged design.

  • Medical Devices: Often need antimicrobial surfaces and high brightness.

  • Automotive Displays: Must resist shock, vibration, and temperature extremes.

2. Choose the Ideal Size & Aspect Ratio

Pick a screen size based on mounting space and user interaction range. Standard ratios include:

  • 16:9 – Best for multimedia

  • 4:3 – Suited for control panels

  • Custom – For specialized enclosures

3. Select the Right Touch Sensor Type

Two major types of capacitive technologies include:

  • Surface Capacitive (SCT): Single-touch, budget-friendly

  • Projected Capacitive (PCAP/PCT): Supports multi-touch and gloves; best for industrial and mobile use

Mutual Capacitance vs. Self Capacitance

  • Mutual Capacitive: Ideal for multi-touch applications

  • Self Capacitive: Offers better sensitivity—great for wearables

4. Environmental Adaptability

Ensure the screen can withstand operational conditions:

  • Wide Temperature Ranges (-30°C to 85°C)

  • Waterproofing (IP65/IP67 rated)

  • Glove Touch and Stylus Support

5. Surface Treatment & Visual Quality

Optimize usability and clarity:

  • Anti-Glare / Anti-Reflection: For outdoor visibility

  • Anti-Fingerprint Coating: Keeps public touchpoints clean

  • Glass Type: Choose between flat or curved cover lenses

6. Interface & System Integration

Ensure smooth integration with your hardware:

  • Interfaces: USB, I²C, SPI, UART

  • OS Compatibility: Linux, Android, Windows

  • Controller ICs: EXC, EETI, ILITEK, or custom

7. Advanced Customization Options

Yunlea supports a wide range of design modifications:

  • Glass Shape: Round, oval, or custom cutouts

  • Branding: Silk-screen logo or printed border

  • Value Additions: Force touch, haptic feedback, ambient light sensors

8. Testing & Certification

For commercial and industrial use, reliability is key:

  • EMC/EMI Compliance

  • Scratch & Impact Testing

  • Humidity, Altitude, and Salt Spray Testing


✉️ Ready to Build a Custom Solution?

Yunlea offers tailored capacitive touch screens to suit any project. From technical design to integration, we deliver reliable, cost-effective, and industry-grade solutions.

📩 Contact us at sales@yunlea.com for consultation, datasheets, and samples!