White reflective film for edge light type backlight and backlight for liquid crystal display using the same

摘要

Even when used over a housing having an uneven part for arranging a circuit or the like or used with an LED, it is possible to improve luminance and luminance unevenness, and non-uniform contact with a light guide plate In order to provide a white reflective film for an edge-light type backlight that can prevent damage to the light guide plate and further reduce the collapse of the convex portions formed on at least one side of the white reflective film. It is set as the white reflective film for edge light type backlights which satisfy | fills following (i)-(iii). (I) The rigidity is 2 to 10 mN · m. (Ii) A convex portion is formed on at least one surface (A), and the maximum height of the convex portion is 5 to 60 μm. (Iii) The convex part contains an aromatic polyester.