How much is appropriate screen election

For nearly two years, with flat-panel TV prices continue to drop , more and more people will buy the target focused on large flat-screen TVs body. But for an optional flat-panel televisions, not blindly size bigger the better, but the right to select the appropriate viewing distance size is the most important . Many , especially for small living ,Tsingtek TFT LCD Module it is not suitable to buy 46 inches above products , while 40 -inch large-size flat-panel TV can be better achieved less than the effect .

For flat-panel TV purchase size problem , this topic also gives some advice to define the International Radio Consultative Committee (CCIR) is : When viewing distance is three times the height of the screen , high-definition television system display should be equal to or a person close to normal vision , as in the original spot to watch the demo scene or when feeling. In addition, some TV manufacturers have released a number of flat-panel TV viewing distance and screen size to match , for the majority of consumers to buy large flat-screen TVs provide a reference .

Matching principle states that under the same effective angle from the best high-definition picture perception needs 16:9 widescreen, large-size flat-panel TV to achieve the best display effect. Households watching television at a distance of 1.7 m , 2.0 m , 2.4 m , 2.5 m , 2.7 m , 3.0 m , 3.3 m , the 26 inch, 32 inch , 37 inch, 40 inch, 42 inch , 47 inch, 52 inch LCD TVs are able to maximize the effect of high-definition display , giving an immersive experience ; while in the distance under the 17-inch ,Tsingtek 16x4 lcd 21 inch, 25 inch, 28 inch, 29 inch, 34 inch, 43 -inch CRT TV is enough to play their best to achieve the display.

CRT and flat-panel TVs have such a big reason for the difference is that ordinary CRT is designed to show the current analog television system and preparation of , at best, only reached half of its clarity of high -definition TV resolution , in addition it uses a 4 : 3 aspect ratio , these factors leading to the selection criteria of high -definition LCD TV with ordinary CRT TVs differ .