LCD TVs are in demand today. The 42 inch LCD TV has proven to be popular. It is elegant, requires less space and is suitable for any type of room. TV LCD 42 inch is also more buyers demand more than a TV LCD 32 inches on the market. If you plan to buy a 42 inch LCD TV, there are a few tips that should be followed by the purchase. If you decided to buy a model of the mark, or if you are unsure that you have to go to a mark that is popular, its popular for a reason. You should not worry about any type of 42 inch LCD TV which you must educate yourself on all the different types of 42 inch LCD TVs .If you are unaware technical terms here are some specifications listed below.
Viewable screen size:
Screen sizes are measured in diagonale.Il are many types of visible screen market sizes so you decide on your budget.
Native pixel resolution:
LCD flat panels have a number of pixels on the screen surface which are called pixels natifs.Vous need therefore find higher pixel natif.principalement 42 inch LCD TV are available in 1280 * 720 pixels native resolutions. This is the minimum number of pixels. But now offers, TVs LCD 1920 * 1080 pixels are a bit expensive but much more desirable.
Scaling:
Scaling is a process in which, a video processor television is the resolution on the incoming signals to its native resolution of pixel.Il means lower resolution should evolve, but signals high-resolution processor so that it can be viewed as a native television resolution. It is therefore necessary to buy a HD Ready TV 42 LCD widescreen. The poor scale mainly results in poor display results as of the jagged edges and incompatible details.Results depend also on the incoming signals.This is the main reason that affects the display.
Response time of the motion:
Response of movement is nothing else than the capacity of 42-inch LCD TV fast without no blur effect to display objects move.He was previously a weakness of LCD technology and now it has been improved beaucoup.spécifications movement response time are good = millisecondes.Un LCD TV ms should have a time of 8 ms ms or 10ms.Lesser value more will be better.Always beware of LCD TVs that have no movement response time.
Contrast ratio:
This is the relation between the variation between brightness and darkest image.This is the most important to consider.If a 42 inch LCD TV has low contrast and dark images look muddy and gray, while the bright images look washed à.Un right level of contrast is 1,500: 1 or higher.
Brightness:
It is the most important factor of your 42 inch LCD TV because without a sufficient brightness, your image appears to be muddy and mild even in the noire.Contrôle access room that is listed for the brightness is 550 cd/msquare or later, it is good enough.
Viewing angle:
You must ensure that the viewing angle is good enough so that it can be viewed from all sides as well as the first vision zones.Angle display must be 60 degrees or 180 degrees.
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