There are two types of touch screen’ The most classic is the CRT or cathode ray tube, whereas the LCD or liquid crystal is the latest display technology’ Most people are familiar with the cathode ray tube of the good old LCD TV, but more recent, less common screen’

Despite its apparent newness, LCD is making waves in the display technology’ LCD is gaining in popularity, mainly because it saves space and energy’ Combined with a touch screen and LCD is the hallmark of today? S age’ An LCD touch screen is more compact, efficient, and like any other touch screen, easy to use’

The touch screen LCD monitor is best understood when compared to its predecessor, the more established: the CRT touch screen’ The technologies are very different CRT and LCD displays very different characteristics’ Not only that, but also has an LCD advantage when it comes to size’ LCD monitors are compact and lightweight’ Normally, an LCD touch screen will have only one third of the space occupied by a CRT touch screen of the same size’

The new LCD screens are available even in the 15 – and 17-inches’ Until recently, 17-inch touch screen using CRT monitors’ As the LCD flat screens, the display area is also higher compared to a CRT monitor’ Thus, a 17-inch CRT monitor has a screen area of about 16 inches, where a 17-inch LCD screen will be complete’

Furthermore, the LCD touch screen does not show all colors and can not display multiple resolutions as well as CRTs’ Despite these limitations, the LCD screen for users of touch screens’ In fact, smart phones are the most commonly used LCD touch screens’

Tags: Graphic LCD Module, LCD Touch Display, TFT Displays, Touch Screen Monitor, USB LCD KVM Switch

The touch-screen technology can be mysterious, if you ever stop to wonder what really makes a screen to recognize your finger, pen or pencil’ As technology advances, touch screens are becoming increasingly popular cars that make the user interface intuitive and more exciting for the new devices of modern technology’ There are three basic systems used in touch screens and recognize its editorial of this article, this technology is gaining ground as a fourth system, as well as others in the scale of development of several products’

The first is resistance to a system that uses a driver of resistance and a sheet metal panel of glass’ The two layers are separated by spacers of electrical currents through the two layers, the screen is lighter’ There is also a scratch protection layer covering the layer of metal to keep the screen easily be destroyed’ When the user touches the screen, the two layers are required to play at this time’ There is a change in the electric field when contact is made and the details of the contact point are fed to a computer that is calculated on the screen and said to turn the operating system that determines what a success in this medium’

The capacitive system is constructed with a layer that has an electric charge in the glass’ When a finger touches the screen, part of the cost goes into the finger’ The decrease of the load is measured in circuits that are usually found in some parts of the screen’ And the relative variation of the load in every corner of the computer can calculate what is the point of contact with the finger that was published some of the costs’

The system of surface acoustic waves using a pair of sensors on the sides of the glass plate’ And reflectors are places in the glass plate to reflect the electrical signal that is sent from the sending of a transducer for receiving a transducer’ When a finger touches the screen, the electrical signal is interrupted and the use of two axes, the computer can calculate the contact area’

Because the sound system should not use a metal plate, which allows 100 percent of the light from the screen through a perfect clarity’ In contrast to the strength of the system that transmits about 75 percent of the light and controls the capability of the system that transmits about 90 per cent to improve the image quality of the resistance of the system

Tags: Plasma or LCD, Samsung LCD TV's, Thermal Sensor, Thermal Transducer, Touch Screen Monitor