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LCD stands for liquid crystal display and whilst the technology has been around for 3 decades, it is only now that LCD monitors and televisions are becoming part of the average person's every day life.
The obvious advantages to using an LCD monitor over the older CRT monitors is the size difference. The LCD screens are a fraction of the depth which gives you more room. This is also applicable to televisions. Large screen sizes still only have a minimum depth so it will not take up your whole lounge space.
LCD screen do have some disadvantages to them, though these are becoming less and less apparent as the demand for them grows. Most companies have stopped manufacturing CRT monitors now and it will not be long before CRT televisions are a thing of the past.
When buying an LCD TV there are certain things you should look out for to ensure you get what you need.
Viewing Angle
Not really a major one these days as most monitors you will only be looking directly at the screen. TVs you may not be so a wider viewing angle is preferred. Quite simply it is the angle you can be facing the screen to still get a decent picture so if the viewing angle is 160 degrees, sitting within a 160 degree angle you will still have a good picture. Outside of this you may lose some of the colouring.
Resolution
Some cheaper models or older screens may have issues with unsupported resolutions. This isn't usually a problem but worth considering depending on your intended use. Running in an n unsupported resolution can lead to blurry images.
Contrast Ratio
Contrast ratio is important and it is often the defining factor in an expensive model against a cheap model. 1000:1 is a good contrast ratio but the more standard 700:1 is adequate. Probably best not going much lower than this.
Brightness
Depending on your use for it you want to get the highest number possible. For the hard core movie lover then 300 cd/m2 is perfect but otherwise 250 is perfectly adequate.
Response time
This is literally how quickly the screen responds. Cheaper models tend to have slower response times that can affect you if you intend to play fast paced games and/or intend to watch films in the best image possible. True response time is measured in changing black to white - If you want something decent then aim to go 8ms or below/ As with everything, you get what you pay for!
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