Patent ID: 7379246
Filing Date: 2008-05-27
Classification: G02B,Y10T

Abstract:
1. A light-diffusing film, consisting of: a transparent base sheet; a light-diffusing layer, which is laminated on a surface of the base sheet and includes a light-diffusing resin and light-diffusing particles that satisfy the relation A >3/r, where A is a specific surface area of a light-diffusing particle and r is a radius of a light-diffusing particle; and an antiblocking layer, which is laminated on the other surface of the base sheet and includes an antiblocking resin and antiblocking particles, wherein said light-diffusing particles or antiblocking particles are formed of at least one resin selected from the group consisting of acryl, polyurethane, polyvinyl chloride, polystyrene, polyacrylonitrile, polyamide, and polymethylmethacrylate, and said light-diffusing particles or antiblocking particles have a diameter ranging from 0.1 to 100 km.