subject: Mirror Lights "true And False Lcd" Small Screen Look For Va Selection Screen [print this page] "now finally understand, almost on buy a 'fake LCD'! "
"Can not think of screen difference LCD TV Is there such a big difference! "... ...
2008 12 24, visit the city's major Home Appliances Store, it often heard that said consumers.
"Vertical mirror affixed to live below the LCD screen, up micro-Yang 20 degrees. Look at the picture directly to black, and colors like faded photographs, which is typical TN panel, determine the physical properties of this liquid crystal TV Not only screen distortion, but also for the eyes. "Technical experts demonstrated the side while the reporter said," really small screen LCD TV, the use of technology with wide viewing angle VA screen. "
Industry technical experts, said the domestic market and small size TV screen at present there are two, one is generally used in such Mobile , PDA, laptop or desktop display on the TN screen, the other is with wide viewing angle technology, VA screen.
"Because TN screen does not have the wide viewing angle technology, from top to bottom around to see a different side of the screen, there is a screen image will be the existence of black to white or white to black, or even not see the picture of the phenomenon." TN screen general looking for still images, while low contrast, low color richness. From the viewing angle, color, contrast, energy and other aspects of comparison, the VA has a wide viewing angle technology is much better than TN panel screen, is more suitable for viewing from different angles to show the dynamic image of LCD TVs.
"In the past, due to cost factor, VA screen price is much higher than TN screens, so some firms from cost considerations, the use TN panel as the small size of the LCD TV screen." Industry experts said that in addition to intuitive visual effects addition, consumers also can test to compare the energy consumption of "true and false LCD" difference "'true liquid crystal' than 'false LCD' about 50% lower energy consumption."
Knowledge link: Tell liquid crystal tips?? "One to two of the Three test"
The face of small-screen LCD TV's "fake TV" trap, consumers of small size LCD TVs, you can choose to use a simple approach - "one to two of the Three tests."
First of all, consumers can directly compare the screen contrast, VA-screen static contrast ratio of 2000:1, while the TN panel met only 800:1 contrast ratio, "appears in black and white images, VA TN panel screen even more than 'black and white clear '. "
Second, from a different perspective on the upper and lower left screen, the screen image found in the existence of black to white or white to black, or even blind to the phenomenon of the screen is TN panel, while the VA screen angle may reach around 178 degrees, so Image color does not exist the situation;
Third, consumers can consult store staff, the use of power testers, small size LCD TV power consumption testing for comparison. VA-screen LCD TV is usually the small screen than TN panel LCD TV save 30% -40%.
Mirror Lights "true And False Lcd" Small Screen Look For Va Selection Screen
