如何揣摸液晶显示器的质量短长(国外英文资料).docVIP

怎么判断液晶显示器的质量好坏(国外英文资料) How to judge the quality of LCD? Q: how to judge the quality of LCD? Answer: brightness and contrast: brightness and contrast are the most basic conditions for judging the quality of lcd. Usually, the brightness of the screen has a higher value, can make the picture more beautiful, and the LCD screen need at least 200 cd/m2 above the brightness value, to meet the basic requirements of the display screen, of course, the higher the brightness value, representing the performance better, more vivid picture. Contrast refers to the brightness contrast between black and white colors. In other words, a liquid crystal display with a high contrast can display a richer color hierarchy. Basically, the liquid crystal display contrast index at least to 200:1, or display the same color gradually layers of pictures may occur uneven color, showing poor texture. The index is, of course, the higher the value. Signal response time: the signal response time is the time required for each pixel of the LCD display from dark to bright and from bright to dark. The general manual indicates the average of the above two, but some manufacturers will list the two values. Thats pretty important for consumers who want to use LCD to play games and watch movies. If the signal response time is too long, dynamic picture is prone to blur, the display effect will be greatly reduced. Generally speaking, the signal response time of LCD on the market should be below 30ms at present, and even the models under 15ms can be seen everywhere. If the user has a large number of dynamic screen requirements, such as gamers, etc., it is better to choose products with shorter response times. In addition to the instructions often appear on the famous word, the quality of LCD display is also an important criterion: bright spot number. The highlight is the picture appeared in a continuous shine, do not accept the pixel out signal (pixel), also known as dead. Bright spots are usually not easy to spo