Patent ID: 9588281
Date: 2017-03-07
CPC Classifications: G02B,G02F

Claim:
1. A snap-fit for fixing optical films, each of the optical films comprises at least one ear hook arranged above a border of a plastic frame, the plastic frame is assembled with a back frame so as to fix a light guiding plate within the back frame, the snap-fit comprising: a press portion and a connection portion extending from a first side of the press portion, the connection portion and the press portion cooperatively form an angle with a predetermined degree, the press portion presses the ear hook of the optical films on the border of the plastic frame, and the connection portion clasps with the hook of a sidewall of the back frame; and wherein the border of the plastic frame comprises a positioning pillar, the ear hook comprises a positioning hole, a second side of the press portion comprises a semicircle through hole, the connection portion comprises a connecting through hole, the positioning hole and the semicircle through hole engages with the positioning pillar in turn, and the connecting through hole clasps with the hook.