Retro Reflective Sheet Comprising Patterns for improving Coefficient of Retro Reflection

摘要

Disclosed is a retroreflective sheet including a pattern for improving a retroreflective coefficient. A retroreflective sheet according to an embodiment of the present invention includes a base layer including a polymer resin; A light path guiding layer in contact with the lower side of the base layer and comprising an adhesive resin; A pattern layer in contact with the lower side of the light path guiding layer and including a corner cube pattern and an additional pattern formed on different surfaces may be included.