How to detect a bad spot on a liquid crystal monitor

The easiest way for a liquid crystal monitor to check out a bad point is to use a paintbrush from windows with draw the same as the desktop resolution of black, white, red, green and blue five Pure color map, and then use ACDSee full-screen way to view, in a pure color environment can easily find the color of the bright spots and color points of these two kinds of bad points, And in a pure white environment, if you look closely, you can find a lower brightness of the dark spots.

Just to really find the dark dots that don't glow, you have to make a program that changes the color of each pixel in sequence in the black background. But now there is no such perfect test software, so only in a simpler way. In addition, can also try Displayx this domestic monitor test software, relative to Nokiamonitortest, it is more suitable for rookie use, each test will have a detailed explanation, and show you how to view the screen.

Liquid crystal display, or LCD (liquid Crystal display), is a flat ultra-thin display device, it consists of a number of color or black and white pixels, placed in the light or reflection side. LCD display power Consumption is very low, so much engineers favor, suitable for the use of battery electronic devices. Its main principle is to stimulate the liquid crystal molecule to create a point, line, surface with the back of the lamp composition screen.