Many industrial and commercial settings need durable touch screen solutions. Infrared touch screens are a popular choice because they aren&#;t just durable&#;they are also resistant to environmental factors and have multi-touch capabilities.
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In this blog, we will talk about what an industrial infrared touch display is, its types, and the benefits it might have for your business.
An infrared touch screen uses a grid of invisible infrared (IR) light beams to detect touch interactions. Here&#;s a breakdown of its main components:
When a finger or object touches the screen, it disrupts the IR light beam at that specific location. The photodetectors register this interruption and transmit the X and Y coordinates of the touch point to the control system. This allows the system to recognize and respond to your touch commands.
While there aren&#;t distinct subcategories within infrared touch screen technology itself, there are two main implementation methods:
In this approach, the IR LEDs and photodetectors are directly mounted on the bezel surrounding the display. This offers a more streamlined aesthetic but might be susceptible to dust or moisture ingress if not adequately sealed.
Here, the IR components are positioned behind the touch overlay itself. This method provides a higher level of protection against environmental factors but may create a slight parallax effect, where the touch location appears slightly offset from your actual finger placement.
Here&#;s what makes infrared touch screens a compelling choice for industrial and commercial environments:
The touch overlay&#;s glass construction offers excellent resistance to scratches, impacts, and chemicals, making it ideal for harsh industrial settings.
Infrared technology can detect multiple touchpoints simultaneously, enabling users to leverage advanced gestures and functionalities for improved interaction.
Unlike some touch technologies, infrared screens can work effectively even with thick touch overlays, such as those used with gloves or protective layers. This is particularly beneficial for applications requiring additional screen protection.
Infrared touch screens are less susceptible to dust, moisture, and temperature fluctuations than other touch technologies, making them suitable for a wider range of operating environments.
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At IVS-Tech, we understand that industrial applications often have unique requirements. Infrared touch technology can be readily integrated into custom touch screen solutions, allowing us to tailor displays to your specific needs in size, shape, and touch overlay properties.
We offer a comprehensive range of custom touch screen displays designed to meet the demanding requirements of industrial and commercial environments.
Contact us to discuss your specific project requirements and discover how our infrared touch screen solutions can empower your business.
In advanced industrial settings, there are generally three common types of touch screens used by OEMs to design a variety of applications- capacitive, resistive and infrared. The capacitive and resistive touch screen types have been in usage for many years, but infrared (IR) touch screens have recently gained momentum in industrial applications with several innovative versions.
An infrared touch screen is designed with an LCD display comprising an IR touch frame mounted around its perimeter. This IR touch frame entails Infrared LEDs and photodetectors along with an optical bezel or protective cover. The IR LEDs emit infrared beams (invisible to the naked eye) through the bezel, creating an optical grid on the display&#;s surface. When a touch event happens, it impedes some of the light beams and photodetectors detect these interruptions. Eventually, the controller identifies the touch point through which beams of the X and Y axis&#; are blocked.
This is how an infrared touch screen work. However, there are many other aspects of IR-infrared touch screens. Read on to learn more.
Overview of Infrared Touch Screens
Infrared touch screens allow touch operations with a finger or pen. However, the considerable advantage of this touch technology can be better utilized in flat panel displays as the infrared raster matrix on which it works needs to be on the same plane.
Infrared detection technology can take a simple infrared detection system by using the infrared emitter and receiver tube of the same wavelength. If there are objects blocking the connection between the infrared emitter and receiver tubes, the signal will drop sharply at receiving end. Infrared touch screens were not popular when the majority of monitors were using Cathode Ray Tubes (CRT) having a curved surface. Hence, there&#;s a large gap between the real sensing touch plane and the arc-shaped corners in the display screen.
On the other hand, if infrared is used at a much closer distance with flat panel displays, the sensing touch is right at the surface which means there is no false activation particularly in the corners where this was a problem with CRT monitors.
Infrared emitters on the bezel transmit a fixed frequency signal, the receiver only senses this frequency, so the anti-jamming ability is powerful in IR touch screens with pulse mode. In case, the pulse mode modulates the signal on the working frequency, it can be used in applications requiring digital communication, which is commonly known as infrared communication. Remote controls of various household appliances, infrared communication of computers, and even the fastest optical fiber communication is typically designed with this particular technology.
Infrared Touch Screens by A D Metro
A D Metro offers the most innovative version of infrared (IR) touch screens known as Linear Correlating Infrared (LCIR) touch technology. LCIR touch screen is a great choice for applications that require multi-touch operations but face difficulty in integrating PCAP technology. Unlike standard IR technology, A D Metro&#;s LCIR (Infrared) touch screen technology offers reliable two-touch functionality and input compatibility with gloves and a 5mm stylus. Most importantly, it also offers 100% sunlight immunity even with strobing sunlight which standard IR can&#;t achieve. Coupled with optical clarity with maximum contrast and insignificant radio emissions, it is a perfect choice for defense and avionic applications.
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