Touch Screens - A Brand New Era of Technology
Since the advent of modern smart devices in the early 20th century, tech companies have been on an erratic course of development, with competitors trying relentlessly to outclass themselves and their competition in the market. Gone are the days of breakthroughs, and instead has arrived the age of attention to detail. Even the smallest tweaks in existing technology speak volumes in results, and in no industry is this more prominent than electronics and communication – particularly the sectors obsessed with the production and development of touch screen modules.
Touch screens are essentially a coordinated collection of input and output devices. The input part comprises the touch panel module, and the output is observed on the conveniently named display. The touch screen module is traditionally layered over an information processing system via a display, commonly LED or OLED depending on the type of device. The user can then operate the touch screen module using simple or multi-touch gestures via their fingers or a stylus. This allows the user to interact directly with what is displayed on the screen rather than on a peripheral device such as a mouse or keyboard to interact indirectly.
Although it sounds straightforward, the operation of touch panel modules is not as cut-and-dry as they seem. There are four main types of touch screens in current use, namely Resistive, Optical Imaging, Projected Capacitive, and Infrared. The Resistive and Infrared touch screen modules offer fewer merits than their alternatives and are limited by their basic mode of action.
Of the lot, Projected Capacitive screens are preferred for their high speed, responsiveness, and multi-touch functionality, albeit only on a small scale.
In practice, however, a touch screen cannot be described fully just by itself. The overall system of input and output divisions must be considered in unison. This brings us the system of touch modules that we are most familiar with – the TFT LCD.
What is a TFT LCD Display Module?
A Thin Film Transistor (TFT) LCD system is a combination device that integrates TFT touch technology with an LCD overlay. Basically, a device using the TFT LCD module acts as the display as well as the user interface. These displays are capable of producing vivid colors, high contrast RGB pixels and are used in most touch-sensitive electronic devices on the market today.
Advantages of using a TFT LCD Display over Competing Displays
Apart from just providing an overall user-friendly experience, TFT LCD screens boast a horde of effective advantages for the average consumer. Foremost, these screens consume far less energy than their competitors without compromising the quality of their display. Vibrant colors and sharp picture quality have never been more eco-friendly! The working module is also designed to drastically reduce lag, heighten response time on user inputs and reduce the overall visual strain on the user.
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