LAMPSHADE, BACKLIGHT MODULE AND DISPLAY DEVICE

摘要

A lampshade, a backlight module and a display device. The lampshade comprises a receiving part (1) and a light exit part (2). A cavity (3) for receiving a light source (7) is arranged inside the receiving part (1), and protruding ridges (5) protruding outwards are arranged on the outer surface of the light exit part (2) that is opposite to the receiving part (1), in order to converge light emitted by the light source (7) inside the cavity (3). The backlight module comprises an optical film (10) and a light source device comprising a plurality of lampshades. The display device comprises the backlight module.