| 摘要 |
A backlight unit is provided to increase light transmittance of a light guide panel and improve brightness of the backlight unit by punching injection-molded silicon rubber with high transmittance, and forming a light guide pattern of the light guide panel at the time of injection-molding or through laser marking. A light guide pattern unit includes a light guide pattern(33) at one side of a light guide panel(30), and the light guide panel is formed of silicon rubber including pure silicon resin type silicon as a pillar. The light guide pattern of the light guide panel is formed as one pattern selected from the group consisting of a dot, a straight line, a quadrangle, a lattice protrusion, and a groove. The dot is a triangular pyramid, a trapezoid, a cone, or a pyramid. The light guide pattern of the light guide panel is formed by injection-molding through a mold including a pattern, or by laser marking. The light guide panel is bent with a curvature. |
