16:9 refers to the aspect ratio of the display. According to the research of ergonomics, the visual field of human eyes is a rectangle with the aspect ratio of 16: 9, so the TV and display industries all design products according to this golden ratio.
superiority
High image quality
In terms of usage, the 16:9 scale display connected with high-definition devices such as PS3 and Xbox360 is better, which can completely eliminate the appearance of black edges. The 1080P high-definition display also meets people's demand for pursuing high-quality life.
Clear resolution
The screen of 16:9 can extend the resolution higher and be very clear.
Reference to the above content: Baidu Encyclopedia-16: 9