External 2D/3D switching displaying device
A display device, an external technology, applied in the direction of optical components, optics, instruments, etc., can solve the problems that the mobile phone case affects the use effect, the mobile phone film is easy to absorb dust, and the display resolution decreases, so as to improve convenience and solve the problem of resolution The effect of falling, simple structure
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0019] refer to Figure 1-4 , an external 2D / 3D switching display device, comprising an external naked eye 2D / 3D mobile phone 1, an external naked eye 2D / 3D mobile phone protective film 2 is provided on the outside of the external naked eye 2D / 3D mobile phone 1, an external naked eye 2D / 3D mobile phone One side of the 3D mobile phone protective film 2 is provided with a 2D / 3D switching grating 3, and the 2D / 3D switching grating 3 is a 2D / 3D switching slit grating or a cylindrical lens grating, and the 2D / 3D switching grating 3 adopts a switchable slit grating structure , the external naked-eye 2D / 3D mobile phone 1 is provided with a switchable 2D / 3D mobile phone case...
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