BACK LIGHT ASSEMBLY WITH REDUCE SIZE MAINTAINING UNIFORM BRIGHTNESS

摘要

PURPOSE: A back light assembly is provided to reduce the size of a liquid crystal display including the back light assembly. CONSTITUTION: A back light assembly includes a light guide(720), the first lamp(751a) and the second lamp(751b). The light guide includes an incident plane, a light projecting plane and a reflecting plane. The incident plane consists of the first tilted plane projected to the outside of the projecting plane and the reflecting plane, the second tilted plane and a plane connecting the first and second tilted planes. The first lamp is provided at the first tilted plane. The second lamp is located at the second tilted plane. The incident plane is composed of a groove located between the projecting plane and the reflecting plane.