A defective pixel on an LCD screen. Bad pixels are often transistors that are permanently dead and appear as black dots or permanently energized and show up as white or colored dots ("hot pixels").

Most of us don’t think much about the images we look at on a TV, flat-panel display, or on a laptop or desktop computer screen; that is, we don’t think about what comprises the image–because our eyes ...

A rectangular group of screen pixels. In the digital video world, the data are compressed in blocks of pixels to reduce transmission bandwidth and decompressed for display. When the incoming ...

Forbes contributors publish independent expert analyses and insights. Ewan Spence covers the digital worlds of mobile technology. Google has confirmed a launch date of April 10 for the Pixel 9a in the ...