With the express emergence of LCD technology, misconceptions have spread widely. Let us take a closer look at these misconceptions and find out the truth about this new and instantly loved technology.
LCD actually stands for Liquid Crystal Display. Some would say that the acronym actually stands for Liquid Crystal Diode; do not believe it. Those who claim this are actually confused about LCD and LED. LED is an acronym for Light Emitting Diode. They are very much different. The latter is actually the red light we see on clock radios; but today, LED are produced in many different colors. To clear things up, a diode is an electronic check regulator that prevents current from moving to an unfavorable direction. It is significantly not related with the transmittance or light projection for televisions.
One of the interesting things about LCD is its three well-defined types. First, we have the Flat Panel LCD which is somewhat similar to its major competitor, the Plasma TV. Second, we have the Rear Projection type of LCD which competes with the Digital Light Projection or DLP device. And third, we have the Front Projection LCD which transmits onto a screen and is extremely large in size measuring as big as 200 inches for a home cinema system. It can even be as big as 300 inches for bigger home theater rooms.
The sleekest and lightest form is the flat panel LCD. Probably this is the most popular and most loved of them all. The rear projection types are quite thicker than their flat panel sister. They are usually 15 to 19 inch in thickness range and weighs around 100 pounds. On the other hand, the front projecting types are small, lightweight like the flat panels, and extremely portable. There is actually a front projecting type model that is only 4 pounds in weight. However, you need an area to have the image projected. The leading brand that creates these three types of LCD is Toshiba.
The terms used to describe LCDs are liquid and crystal. These terminologies refer to the characteristic of the current applied. Depending on the electrical current sent, minuscule compelling molecules weave and bend. The twisting is measured in degree and the shape changes allows light to pass thus allowing an approximate of 1080 grey shades to display. This technology is actually similar to the digital watch or wall clock mechanism.
At present, the rear projection technology, which includes HDTVs, DLPs, LCDs, and LCos or Liquid Crystal or Silicon, has replaced the Cathode Ray Tube (CRT) models. These new forms of viewing entertainment have competed successfully in its equally interesting rival, which is the Plasma TV. The mentioned technologies offer superb picture quality in bigger screen sizes. Although there are still advantages in owning Plasma, the differences are unnoticeable. LCD technology is also being further developed so expect a more interesting package in the years to come.
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