LIGHT DIFFUSIVE INK COMPOSITION, LIGHT GUIDE PANEL AND BACK LIGHT UNIT USING THE SAME

摘要

PURPOSE: A light diffusing ink composition, an optical guiding panel, and a backlight unit using thereof are provided to remove white dot caused by dot pattern and improve luminance. CONSTITUTION: A light diffusing ink composition comprises more than one type of ink binder selected from a group consisting of acrylic resins and chloride-vinyl acetate copolymers, light diffusing agent with particle size of 0.8-3 micron, and an ink solvent. The light diffusing agent is more than one kind selected from a group consisting of poly(methyl methacrylate) particle and silicon particle. The poly(methyl methacrylate) particle and/or silicon particle is included 25-200 parts by weight based on 100 parts by weight of the ink binder.