| abstract |
The invention provides a mobile device protective sleeve and a mobile device. The mobile device protective sleeve comprises a bottom plate, and a protective cover board connected with the bottom plate and opposite to the bottom plate, wherein a cylindrical lens or a slit grating is arranged on a display area of the protective cover board, a function material is arranged in the mobile device protective sleeve, or coats the surface of the mobile device protective sleeve, and can emit far infrared rays and anions, therefore, mobile device protective sleeve with the function material has a health care function. The protective cover board of the mobile device protective sleeve is further provided with the cylindrical lens and the slit grating which can cause binocular parallax of a user, so that the stereoscopic vision is generated, and therefore, when the protective cover board attaches to a display area, the user can observe the 3D display picture through the cylindrical lens or the slit grating; and after the protective cover board is removed, the user can observe the 2D display picture normally, and thus the free switching between 2D display and 3D display is realized. |