PRIVACY FILM USING VISUAL FIELD INTERFERENCE PATTERN AND METHOD FOR MANUFACTURING SAME

摘要

The present invention relates to a privacy film using a visual field interference pattern and a method for manufacturing the same, wherein use of various visual field interference patterns of very thin barrier types, which are formed in predetermined patterns such as parallel patterns or lattice patterns, not only substantially reduces the thickness of the privacy film, but also limits both the angle of the left/right visual field and the angle of the up/down visual field, thereby further enhancing privacy protection and information security. The privacy film using a visual field interference pattern according to the present invention is characterized by comprising: a lower film made from a transparent material in a thin plate shape; visual field interference patterns formed, from an opaque material, on the lower film in predetermined patterns so as to have uniform heights and thicknesses; and a filler formed, from a transparent material, in a space between the visual field interference patterns on the lower film. The method for manufacturing a privacy film using a visual field interference pattern according to the present invention is characterized by comprising the steps of: a) forming a visual field interference pattern on a lower film made from a transparent material; and b) applying a filler made from a transparent material to a part on the lower film, on which the visual field interference pattern is not formed, thereby coating the same.