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My RFQ

Touch Screen Overlays

Category Introduction

Touch Screen Overlays are designed to overlay a screen or a display that has no touch interface to provide for the interaction of physical contact (usually with a finger or stylus) on the display. Overlay types such as capacitive, resistive and infrared are available with a range of control interfaces such as USB, RS-232, and others serial protocols.

Product List

292 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusLengthWidthHeightInterfaceTypeDiagonal Screen Size
FTAS00-104A5
FTAS00-104A5
TOUCH SCREEN RESISTIVE 10.4"
NKK Switches
 10 $80.56
FT Bulk Active8.66" (219.96mm)0.083" (2.10mm)6.61" (167.90mm)RS232, USBResistive10.4" (264.16mm)
FTAS00-10.4AV-4A
FTAS00-10.4AV-4A
TOUCH SCREEN RESISTIVE 10.4"
NKK Switches
 5 $82.69
FT Box Active8.52" (216.41mm)0.08" (2.03mm)6.43" (163.40mm)4-WireResistive10.40" (264.16mm)
TS-TFT3.5Z
TS-TFT3.5Z
TOUCH SCREEN RESISTIVE 3.5"
Newhaven Display Intl
 87 $10.38
Box Active2.82" (71.82mm)0.04" (1.02mm)2.07" (52.56mm)4-WireResistive3.5" (88.90mm)
CTP035
CTP035
3.5'' PCAP TOUCH
Orient Display - duplicate use 3444
 39 $12.71
Box Obsolete2.79" (70.86mm)2.10" (53.34mm)0.071" (1.80mm)I²CCapacitive3.5" (88.90mm)
CTP043
CTP043
4.3'' PCAP TOUCH
Orient Display - duplicate use 3444
 4 $13.67
Box Obsolete4.11" (104.50mm)2.61" (66.36mm)0.071" (1.80mm)I²CCapacitive4.3" (109.22mm)
CTP035B0
CTP035B0
3.5'' PCAP TOUCH
Orient Display - duplicate use 3444
 25 $15.95
Box Active3.00" (76.40mm)2.49" (63.30mm)0.055" (1.40mm)I²CCapacitive3.5" (88.90mm)
62100100
62100100
PCAP Touch Screen, NCR XR7 7702
Plazmo Industries
 4 $239.68
Box Active----Capacitive15" (381.00mm)
FTAS00-150A4
FTAS00-150A4
TOUCH SCREEN RESISTIVE 15"
NKK Switches
 6 $115.27
FT Bulk Active12.91" (328.00mm)9.80" (248.92mm)0.083" (2.10mm)4-WireResistive15" (380mm)
FIT0478
FIT0478
TOUCH SCREEN CAPACITIVE 7"
DFRobot
 2 $18.84
Bulk Active----Capacitive7.0" (177.80mm)
FTAS00-6.5AS-4A
FTAS00-6.5AS-4A
TOUCH SCREEN RESISTIVE 6.5"
NKK Switches
 16 $53.16
FT Box Active5.43" (138.00mm)0.06" (1.40mm)4.13" (105.00mm)4-WireResistive6.5" (165.1mm)
FTAS00-104AV4
FTAS00-104AV4
TOUCH SCREEN RESISTIVE 10.4"
NKK Switches
 10 $81.53
FT Bulk Active8.92" (226.57mm)7.21" (183.00mm)0.083" (2.10mm)4-WireResistive10.4" (264.16mm)
FTAS00-10.4AS-4A
FTAS00-10.4AS-4A
TOUCH SCREEN RESISTIVE 10.4"
NKK Switches
 4 $82.71
FT Box Active8.47" (215.00mm)0.08" (2.03mm)6.39" (162.40mm)4-WireResistive10.40" (264.16mm)
FTAS00-12.1AN-4A
FTAS00-12.1AN-4A
TOUCH SCREEN RESISTIVE 12.1"
NKK Switches
 11 $89.20
FT Box Active9.83" (249.60mm)0.08" (2.03mm)7.41" (188.10mm)4-WireResistive12.1" (307.34mm)
FTAS00-121AS4
FTAS00-121AS4
TOUCH SCREEN RESISTIVE 12.1"
NKK Switches
 12 $89.32
FT Bulk Active10.28" (261.00mm)7.80" (198.00mm)0.083" (2.10mm)4-WireResistive12.1" (307.34mm)
FTAS00-121A5
FTAS00-121A5
TOUCH SCREEN RESISTIVE 12.1"
NKK Switches
 5 $96.75
FT Bulk Active9.94" (252.40mm)0.083" (2.10mm)7.50" (190.60mm)RS232, USBResistive12.1" (307.34mm)
TP02104A-4K
TP02104A-4K
TOUCH SCREEN RESISTIVE 10.4"
NKK Switches
 10 $83.21
TP02 Box Active8.46" (215.00mm)6.39" (162.40mm)0.083" (2.10mm)-Resistive10.40" (264.16mm)
FTAS00-15AN-4A
FTAS00-15AN-4A
TOUCH SCREEN RESISTIVE 15"
NKK Switches
 3 $123.48
FT Box Active12.13" (308.10mm)0.08" (2.03mm)9.14" (232.10mm)4-WireResistive15" (380mm)
TP02150A-4K
TP02150A-4K
TOUCH SCREEN RESISTIVE 15"
NKK Switches
 5 $136.17
TP02 Box Active12.13" (308.10mm)9.14" (232.10mm)0.083" (2.10mm)-Resistive15" (381.00mm)
TP02156W-4K
TP02156W-4K
TOUCH SCREEN RESISTIVE 15.6"
NKK Switches
 3 $142.28
TP02 Box Active13.68" (347.50mm)7.75" (196.80mm)0.083" (2.10mm)-Resistive15.60" (396.24mm)
FTAS00-19AN-4A
FTAS00-19AN-4A
TOUCH SCREEN RESISTIVE 19"
NKK Switches
 4 $194.78
FT Box Active15.04" (382.00mm)0.08" (2.03mm)12.10" (307.40mm)4-WireResistive19" (482.6mm)

About Touch Screen Overlays

What are Touch Screen Overlays?

Touch Screen Overlays

Touch screen overlays are thin, transparent layers placed over display screens to enable touch interaction. They function by detecting touch inputs, such as finger taps or stylus gestures, and translating them into commands that the device can understand. The basic operating principle involves sensing the change in electrical signals or light patterns when a touch occurs, which is then processed by the device's software to perform the desired action. These overlays can be integrated into various devices, from smartphones and tablets to larger displays like kiosks and interactive whiteboards, enhancing user interaction and experience.

Types of Touch Screen Overlays

1. Resistive Touch Overlays

Resistive touch overlays consist of multiple layers, including two thin, electrically conductive layers separated by a small gap. When pressure is applied to the screen, the layers make contact, creating a change in electrical current that is registered as a touch event. These overlays are known for their durability and affordability, making them suitable for environments where precision is not critical, such as ATMs and industrial controls.

2. Capacitive Touch Overlays

Capacitive touch overlays use the electrical properties of the human body to detect touch. They are coated with a transparent conductor, and when a finger touches the screen, it changes the screen's electrostatic field. Capacitive overlays are highly responsive and support multi-touch gestures, making them ideal for smartphones, tablets, and other consumer electronics that require a smooth and intuitive user interface.

3. Infrared Touch Overlays

Infrared touch overlays use an array of infrared LEDs and photodetectors around the screen's edges to create an invisible grid of light beams. When an object interrupts these beams, the system calculates the touch location. These overlays are highly durable and can detect any input method, including gloved hands or styluses, making them suitable for public kiosks and outdoor displays.

4. Surface Acoustic Wave (SAW) Touch Overlays

SAW touch overlays use ultrasonic waves that pass over the screen surface. When a touch occurs, it absorbs part of the wave, allowing the system to determine the touch location. These overlays offer excellent image clarity and are often used in high-end applications like medical devices and professional monitors.

How to choose Touch Screen Overlays?

When selecting touch screen overlays, consider the following key parameters:

  • Touch Technology: Choose between resistive, capacitive, infrared, or SAW based on the intended application and user interaction requirements.
  • Durability: Evaluate the overlay's resistance to scratches, impacts, and environmental conditions, especially for outdoor or industrial applications.
  • Transparency and Clarity: Ensure the overlay maintains high image quality and does not distort the display.
  • Multi-Touch Capability: Determine if multi-touch gestures are necessary for your application.
  • Compatibility: Verify that the overlay is compatible with the existing display and device software.

To evaluate product quality and reliability, research supplier reputation, request product samples, and review customer feedback. Consider environmental factors such as temperature and humidity, and ensure proper installation to avoid performance issues.

Applications of Touch Screen Overlays

1. Consumer Electronics

In consumer electronics, touch screen overlays are integral to devices like smartphones, tablets, and laptops. They provide intuitive user interfaces, enabling users to interact with applications through gestures and taps, enhancing the overall user experience.

2. Retail and Hospitality

Touch screen overlays are widely used in retail and hospitality for point-of-sale systems, self-service kiosks, and interactive menus. They streamline operations, reduce wait times, and offer customers a seamless and engaging experience.

3. Healthcare

In healthcare, touch screen overlays are used in medical devices and patient monitoring systems. They allow healthcare professionals to quickly access and input data, improving efficiency and patient care.

4. Industrial and Manufacturing

In industrial settings, touch screen overlays are employed in control panels and machinery interfaces. They provide robust and reliable input methods, even in harsh environments, facilitating efficient operation and monitoring.

5. Education and Training

Touch screen overlays are used in educational settings for interactive whiteboards and learning tools. They promote engagement and collaboration, allowing students and educators to interact with digital content dynamically.