| 摘要 |
PROBLEM TO BE SOLVED: To provide a light diffusion member that is superior in both light transmitting properties and light diffusing properties, and has a light weight and good designability, and can meet the needs for low cost, with excellent recyclability, and provide a light source unit including the light diffusion member.SOLUTION: A light diffusion member comprises a polymeric resin containing a light diffusion element composed of air bubbles, and the diffuse transmittance T(%) and diffuse reflectance R(%) satisfy following formulas (1) and (2): T≥40 (1) and T+R≥90 (2). |
