Philips 19B1CB/27 User Manual

Also see for 19B1: User manual

Contents

defects and several types of sub pixel defects within each category.Bright Dot Defects Bright dot defects appear as pixels or sub pixels that are always lit or 'on'. That is,a bright dot is a sub-pixel that stands out on the screen when the monitor displays a dark pattern.There are the types of bright dot defects:One lit red, green or blue subpixelTwo adjacent lit sub pixels:- Red + Blue = Purple- Red + Green = Yellow- Green + Blue = Cyan (Light Blue)Three adjacent lit sub pixels(one white pixel)A red or blue bright dot must be more than 50 percent brighter than neighboring dotswhile a green bright dot is 30 percent brighter than neighboring dots.Black Dot Defects Black dot defects appear as pixels or sub pixels that are always dark or 'off'. Thatis, a dark dot is a sub-pixel that stands out on the screen when the monitor displays a light pattern.These are the types of black dot defects:One dark sub pixel Two or three adjacent dark sub pixelsProximity of Pixel DefectsBecause pixel and sub pixels defects of the same type that are near to one another may be morenoticeable, Philips also specifies tolerances for the proximity of pixel defects.