Patent ID: 11892729
Assignee: K-TRONICS (SUZHOU) TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The backlight module according to claim 1, wherein the plurality of dimming film layers comprises: a light guide plate and an optical film located on a side of the light guide plate away from the backplane, the protrusion comprises: a second sub-protrusion fixedly disposed on a side surface of the optical film and provided with a first positioning hole, each of the bezel sidewalls is provided with a limiting slot opening toward the optical film and into which the second sub-protrusion is extended, and a second positioning hole coaxially disposed and in communication with the first positioning hole, and the fixing structure comprises: a positioning pin extending through the first positioning hole and the second positioning hole.