The shutters are a style of windows, originating in China. In ancient Chinese architecture, there are lattice windows, from the Warring States to Han dynasties have been used. Straight line of the Yue straight lattice window, there are bars, called lying lattice window. The lattice window is a primitive design of the shutter, or it is the original state of the shutter.

　　But modern shutters were invented by Americans, called 约翰·汉普逊, and made the invention patent on August 21, 1841. Shutters are generally relatively wide, generally used for indoor and outdoor shading, ventilation. Now more and more people agree that the Venetian curtain wall evolved from the shutters. Venetian curtain wall features many advantages, and very beautiful, generally used in high-rise buildings.

　　Compared with the blinds, the blinds can be flexibly adjusted to the blades with curtains that are lacking in function. In terms of shading, the blinds can withstand ultraviolet radiation, also can adjust the indoor light, in the ventilation aspect, the shutter fixed type installment as well as the thick texture, may comfortably enjoy the breezy breeze without other concerns; the curtains decked will be in the interior life, the shutter layer overlay design guarantees the privacy of home In addition, when the shutters are completely closed, they are as much as a window, which can play the role of sound insulation.

　　Today's shutter types are many, has developed into: aluminum alloy blinds, can open shutters, electric shutters (also known as automatic blinds).