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What is the screen protector?

Views:0     Author:Site Editor     Publish Time: 2019-02-21      Origin:https://en.wikipedia.org/wiki/Screen_protector

Screen protector


A screen protector,yet to be installed


A smartphone with a screen protector installed

A screen protector is an additional sheet of material—commonly polyurethane or glass—that can be attached to the screen of an electronic device and protect it against physical damage.



History

The first screen protector was designed and patented by Herbert Schlegel in 1968 for use on television screens.


Screen protectors first entered the mobile-device market after the rise of personal digital assistants (PDAs). Since PDAs were often operated via a stylus,the tip of the stylus could scratch the sensitive LCD screen surface. Therefore, screen protectors provided sacrificial protection from this damage. Since then, the ubiquity of mobile-devices have seen the screen protector become more widely used.


Materials

Screen protectors are made of either plastics, such as polyethylene terephthalate (PET) or thermoplastic polyurethane (TPU), or of tempered glass, similar to the device’s original screen they are meant to protect. Plastic screen protectors cost less than glass and are thinner, around 0.1 mm (0.004 in) thick, compared to 0.3 to 0.5 mm (0.012 to 0.020 in) for glass.At the same price, glass will resist scratches better than plastic, and feel more like the device's screen, though higher priced plastic protectors may be better than the cheapest tempered glass models, since glass will shatter or crack with sufficient impact force.


Disadvantages

Screen protectors have been known to interfere with the operation of some touchscreens.Also, an existing oleophobic coating of a touchscreen will be covered. When the screen protector is removed, the oleophobic coating will be damaged or removed entirely sometimes.


On some devices, the thickness of screen protectors can affect the look and feel of the device.


Hangzhou Taoxing Glass Tec Co.,Ltd. was established in 2008, located in Linping, which is known as the Hangzhou's backyard. 

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