REINFORCED PATTERN DIFFUSER MEMBER

摘要

PURPOSE: A reinforced pattern diffuser member is provided to supplement a disadvantage of having low resistance against warpage, twist, and external shock. CONSTITUTION: In a reinforced pattern diffuser member, a structure layer including a plane part(11) and a pattern unit(12) is formed on a base layer. The diffuser member has a recessed pattern, the volume ratio of the structure layer to the pattern unit is 20~30%. The width of the pattern is 2.5~3 times wider than that of the plane part. The pattern unit has one of polygonal shape and conical shape.