10 Questions You Should to Know about Touch Display Module for Medical

Engineers tell us getting a touch panel display up and running from scratch is time-consuming and expensive. There is a steep learning curve, and it takes their focus away from their core competencies. Even small changes can cause significant problems related to maintaining the solution over time. The risk of higher development costs, missed production targets, and maintenance issues lead them to seek alternatives to in-house solutions. So they turn to Reach Technology touch panel displays.

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Touch screens are found everywhere from our smartphones to self-serve kiosks at the airport. Given their many uses, it should come as no surprise that there are several touch monitor types. Each has its advantages and disadvantages and is suited to specific tasks.

Continue reading to learn more about touch monitor types and how they’re used.

Did you know that touch panel technology was invented in the 60s?

That’s right. Long before your precious smartphone entered the market in the late 00s, touch panels had already been an established technology for nearly four decades. Despite the panels’ simplicity of use, the underlying technology is more complex than it appears, with four different touch panel types in existence.

It’s quite possible that you’re not clear on exactly what a touch panel is, what the touch panel types are, or how they’re applied in your daily life, beyond your smartphone. For that and more, we’re here to help.

What Are Touch Panels?

Quite simply, touch panels, also known as touchscreens or touch monitors, allow people to operate computers through direct touch. Using internal sensors, a user’s touch is detected and translated into an instructional command that results in a visible function.

The Different Touch Panel Types

Touch panels are not as simple as they may seem. The way they sense and react to touch varies significantly based on their designs. There are four touch panel types in regular use: Resistive, Optical Imaging, Projected Capacitive, and Infrared. Below, we’ll explore their specifics, including their advantages, disadvantages, and real-life applications.

1. Resistive Touch

Resistive touch panels are cost-effective and detect commands by way of pressure placed on the screen. This pressure sensitivity is generally limited to single-point touch, with a 20-inch maximum screen. It is suitable for many applications ranging from styluses to fingertips. These panels remain functional even if a water drop lands on the screen.

However, resistive touch panels are less durable than their competitors. They rely on single-point touch and are not capable of multi-touch functionality. Resistive touch panels are often found in grocery stores, where stylus-based signatures are required after credit card purchases.

2. Infrared Touch

Infrared touch panels detect touch by setting up a grid of infrared beams across the panel, which can be up to 150-inches. When this grid is disrupted, touch is detected. Infrared touch panels are durable and support multi-touch functionality.

Despite the name, infrared touch panels perform poorly in direct sunlight. The infrared light beams can be disrupted by the sun’s rays, affecting functionality. Therefore, infrared touch panel devices should be placed in appropriately dark locations.

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3. Optical Imaging Touch

Optical imaging touch panels sense touch through infrared cameras and the disruption of light strips. This detection is achieved through various inputs, from gloves to bare hands, across its 100-inch maximum size. Optical imaging touch panels are highly versatile, durable, and support multi-touch.

However, their non-compact design can be a disadvantage. Common applications include interactive whiteboards.

4. Projected Capacitive Touch

Projected capacitive touch panels use electrical-based touch detection and are known for their high precision and high-speed response times. They possess multi-touch functionality and are used in small, compact, yet expensive, devices. However, it is challenging to scale up this technology to larger sizes.

You interact with projected capacitive touch panels daily through devices like smartphones, tablet computers, and GPS devices.

Touch Panel Types in the Professional World

The applications of these touch panel types are not limited to consumer devices. They are used widely in various industries such as finance, manufacturing, retail, medicine, and education. Touch-based solutions offer a form of personnel management.

In hospitals, stores, or banks, touch panels answer basic questions, provide product information, or offer directions. In manufacturing, they enable workplace allocation or attendance tracking. These touch panels play a key role in industry 4.0 practices.

Touch panels have significantly transformed how we teach in classrooms and collaborate with colleagues. Their adoption over the past four decades is remarkable. Understanding the details of each touch panel type will serve you well, particularly if you are interested in ViewSonic’s selection of touch-based solutions.

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