What is a grey scale, gray level how to distinguish

'Grey scale' refers to the various color between the most dark and bright color, have different change the color of the class. In general, the gray-scale at 14 bit ( 位) Above, with at least 16384 kinds of color class above, for highly efficient LED display. Will happen if the gray series is insufficient, lack of color levels or layered color levels is not smooth, and can not fully show the colour of the film, the LED display effect is greatly reduced. High gray-scale images of the show, the dark is the color of the part, will still be clearly displayed, the color of the picture color gradation is very smooth, integral colour display effect more clear and bright. The low ash state will not be able to achieve the display effect.