Backlight module and liquid crystal display device using the backlight module
A backlight module and backplane technology, which is applied in the direction of lighting devices, fixed lighting devices, lighting device components, etc., can solve the problems of inappropriateness, high cost of elastic metal sheets, and small deformation of optical diaphragms, etc., and achieve reduction Probability of bending deformation, increased brightness, and easy installation
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[0023] The invention discloses a liquid crystal display device comprising a backlight module, as an embodiment of the backlight module of the invention, such as Figure 1 to 3 As shown, the backlight module includes a back plate 2 and an optical film 1 arranged on the back plate 2. The optical film 1 is provided with a lug 11 for positioning, and the lug 11 has a portion 111 and a direction An expanded portion 112 extending outward, the width of the expanded portion 112 is greater than the width of the root 111, a first protrusion 21 is provided on the side wall of the back plate 2, and an opening 211 is provided on the first protrusion 21, The root 111 of the lug 11 of the optical film 1 is accommodated in the opening 211, the side wall of the back plate 2 is further provided with a second protrusion 22, and the second protrusion 22 has an extension 221, The expanded portion 112 of the lug 11 of the optical film 1 is accommodated under the extension portion 221 of the second p...
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