Patent ID: 9645441
Date: 2017-05-09
CPC Classifications: G02B,G02F

Claim:
1. A backlight, which includes a frame and an optical film set, the optical film set including a plurality of optical films that are successively stacked, wherein the backlight further includes a fixing member, the frame includes a supporting part protruding toward the middle part of the backlight, the optical film set is provided on the supporting part, and each optical film in the optical film set includes a film body and an ear part protruding from a side of the film body; each ear part in each optical film is stacked on the ear part in the next adjacent optical film and is configured to contact the ear part in the next adjacent optical film, and in any two adjacent optical films, the boundary of at least one side of the ear part of the lower optical film extends beyond the boundary of the same side of the ear part of the upper optical film, the fixing member is configured to cover the ear parts of the plurality of optical films and contact at least a portion of a surface of the ear part of each optical film, such that the optical film set is fixed on the frame, the surface being a surface away from the supporting plate, and the fixing member can fix the relative positions among the plurality of optical films in the optical film set.