What is a Red Pixel?
Liquid crystal display (LCD) monitors work basically through grouping of subpixels, one each for the red, the blue, and the green colors. Using these three colors the monitor can create any of the colors needed to display images. Unfortunately, because of the fragile nature of LCD monitors, a number of things can go wrong with them, causing defective pixels of one sort or another. Two of the main types of monitor defect involve a pixel being stuck either on or off. The first of these, when a pixel is stuck on at all times, is known as a hot pixel. Hot pixels look like pure white marks on the screen, and usually show up most clearly against a dark background. The second of these, when a pixel is off, is known as a dead pixel. Dead pixels are simply black spots on the screen, and show up most clearly against a lighter background. The third type of defective pixel is a stuck pixel. A stuck pixel can be any of the six main pure colors or color composites: red, green, blue, cyan, magenta, o
