SHIELDING DEVICE TO BE USED FOR A SUN SHADE OF A VEHICLE, A CURTAIN, A BLINDER, A TRANSPARENT WINDOW, AND A WINDOW SCREEN AND MOUNTED AT VEHICLE WINDOWS FOR SECURING A VISUAL FIELD FOR DRIVERS

摘要

PURPOSE: A shielding device is provided to improve acknowledgement quality by driving automatically or manually rollers and installing a lighting unit and to realize various visual patterns by forming a light transmission area, a light cut-off area, a window screen, and pictures along the longitudinal direction of a light guide plate or a film member. CONSTITUTION: A shielding device(10) is composed of first and second rollers(13,14) separated from each other at a predetermined gap; a film member(20) wound around or unwound from the first and second rollers to obtain an opening area and a shading area; housings(11,12) for supporting the first and second rollers; a guide member(30) for connecting upper and lower sides of the housings and guiding upper and lower sides of the film member; and a driving unit(40) comprising first and second driven gear members installed at each rotary shaft of the first and second rollers and first and second driving gears engaged with the first and second driven gear members and mounted with a knob or a motor at the rotary shaft.