When the privacy filter is installed on the display screen, if there are a lot of streaks, this phenomenon is due to the incorrect positioning of the die cutting in the manufacturer, and the angle is not set when the die cutting is performed. The anti-peeping film must be squared, but the squared angle will reduce the output of the finished product per unit area, so many businesses will cut in the normal direction in order to save costs, resulting in unclear and streaky anti-peeping films. In other words, if a certain amount of material is required to swing the angle, the output rate of the product will be reduced, which will cause the cost of the manufacturer to rise.
The cutting angle of the privacy filter is shown in the figure:
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The laptop privacy screen is also called the anti-peep film, which is “left and right anti-theft” (also called 180 degree anti-peeping).