INPUT-OUTPUT DEVICE FOR PREVENTING A COLOR SPREADING PHENOMENON AND A COLOR INVADING PHENOMENON

摘要

PURPOSE: An input-output device is provided to arrange a light transmitting different kind color pattern in other side of a light guide film, thereby increasing visibility with various pieces of input/output information.;CONSTITUTION: Light guide films comprise a pattern exposed by lighting irradiation of a light source in one side. A light transmitting different kind color pattern is arranged in the other side of a light guide film The light transmitting different kind color pattern is formed in light transmitting units of a shading sheet(S). A printed circuit board is arranged in a lower side of the light guide film. A selective lighting means lights a specific light source.;COPYRIGHT KIPO 2013