I do not know when starting from a geometric black and white and color disputes had died down, black and white monitors have been "reduced" in the field of special needs (such as coal mine monitoring, etc.), or for less demanding applications such as image color spaces quietly, at this time, color monitors may have bothered to be black and white monitor as a competitor. Of course, the survey data can illustrate: In 2008, the client purchases accounted for 92% of the color monitor (see Figure 1). In an interview for mainstream providers learned that in addition to a few brands stones also produces a small amount of black and white monitor, most are all production color monitor.