How To Find The Best Touch Screen Monitor For Your Needs

Touch screen monitor technology has hit the mainstream and is highly favored over the previously used designs. The technology has given rise to several fun and cool high tech devices such as cell phones, digital cameras, media players and computer monitors. On all of these devices traditional push buttons have been replaced with on-screen controls. The finger slide technology make push button devices seem so last century.

The modern touch screen catapulted the computer into the long promised space-age; making it an incredibly easy way to navigate systems with. Touch-screen PCs are available in different forms or configurations.

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The touch-screen laptops, desktop PCs as well as mainframe terminals were invented in the 70’s while the tablet-style laptop recently entered the market in 2002. While the concept was introduced in 2002 it really only became mainstream with the introduction of Apple’s iPad.

3 Types Of Touch Screens

1. Resistive

Resistive screen are well known for its durability and its ability to function even in harsh environments. This ruggedness is one of the reasons this technology is widely used in all kinds of devices, but mainly in the older generations of smart phones. One disadvantage however is the apparent lack of clarity compared to other touch screen technologies and the need for a stylus to operate the screen.

2. Capacitive

The Capacitive screens are durable as well and are also resistant to environmental challenges; yet maintain excellent clarity. They are only operated by finger touch on the capacitive panels and do not respond to a stylus.

3. Surface Wave

The Surface wave touch panels offer the highest clarity when compared with the other two types of touch screens. They are more advanced but are susceptive to outside influences and are easily damaged.

Features and Performance

When purchasing a touch screen monitor there are a few things to consider:

The Panel Sizes And Screen Resolutions

LCD monitors and touch screens are available in the range of 4 inches to 104 inches. The resolution for smaller sizes is 320×240 (QVGA) pixels. The resolutions for 10inches panels and above are 800×600 (SVGA) pixels and 1024 x 768 (XGA) pixels. Some are 1280×1024 pixels (SXGA) as well. The high definition panels are available as wide screens in 24 inches upwards.

The Aspect Ratio

Aspect ratio describes the width to height ratio of the monitor. The standard Television set has an aspect ratio of 4:3. The high-definition flat screen have a larger ratio of 16:9 .Some widescreen caries resolutions of 1024 x 576, 1152 x 648 as well as 1280 x 720. Higher resolutions includes 1600 x 900 and 1920 x 1080 pixels.

The Screen Brightness And Contrast Ratio

The luminance of the LCD is the brightness and is measured in candela per meter squared. The luminance for a standard computer monitor is approximately 300cd/m2. Higher brightness levels in signage applications are required for industrial touch screen monitors.

The contrast ratio describes the ratio of luminance between the brightest (white) color and the darkest (black) that is displayed on the screen.

The Input Signals

VGA and DVI are the standard signals that come with the digital touch screen monitor with additional options for HDMI interface inputs.

The Output Signals

Output Signals are typically provided for HDMI through the HDMI link. Built in speakers might be included and additional ports available to connect external devices.

Before buying any type of touch screen monitor, check reviews online to see what others have to say about the monitor you are thinking of purchasing. There are many types of touch screen monitors, following the above tips you should now be able to easily decide what type of touch screen monitor best suit your needs.