Backlight module and liquid crystal display device
A technology of backlight module and liquid crystal display module, which is applied in the direction of light guide, optics, optical components, etc., can solve the problems of backlight module components being damp, poor display of liquid crystal display devices, etc., and achieve the effect of improving service life and waterproof performance
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no. 1 example
[0043] The present invention provides a backlight module, please refer to figure 1 and figure 2 The backlight module 100 provided in the embodiment of the present application includes a backplane 10, a light guide plate 20, a reflective structure 30, and a waterproof coating 40. The backplane 10 is used to support the entire backlight module 100, which includes a bottom plate 11 and a side wall 12, The bottom plate 11 and the side wall 12 are connected to each other, and the connection method can be connected and fixed by a third-party structure such as a screw, or it can be connected by a structure such as a groove or a protrusion on the bottom plate 11 and the side wall 12, or it can be The bottom plate 11 and the side wall 12 are connected in an integrated structure. The bottom plate 11 and the side wall 12 enclose and form a receiving groove K1, and the light guide plate 20, the reflective structure 30, the waterproof coating 40, etc. are all fixedly installed in the rec...
no. 2 example
[0051] see figure 1 and Figure 4 , in this embodiment, the backlight module 100 further includes a first adhesive part 81 , a second adhesive part 82 and a glue frame 90 . Both the reflective structure 30 and the waterproof coating 40 cover the first region D1 and the second region D2, and the first adhesive member 81 is a sealant, which is arranged on the edge of the back plate 10 close to the through hole K2, and its two opposite surfaces Connect with the waterproof coating 40 and the bottom plate 11 respectively, so as to bond and fix the waterproof coating 40 and the back plate 10 , and further, realize the fixing of the reflective structure 30 and the light guide plate 20 in the accommodation groove K1 . The glue frame 90 is disposed between the light guide plate 20 and the side wall 12 for fixing the backlight module 100 . A second adhesive member 82 is also provided between the plastic frame 90 and the bottom plate 11 , and the plastic frame 90 is fixed on the backpl...
no. 3 example
[0055] see figure 1 and Figure 6 , in this embodiment, the reflective structure 30 covers the first area D1 and the second area D2, the waterproof coating 40 covers the first area D1, the first adhesive member 81 connects the waterproof coating 40 and the bottom plate 11, and the light guide plate 20 passes through the second area. An adhesive member 81 is fixed on the base plate 11 , and a second adhesive member 82 is connected to the surface of the reflective coating 30 facing away from the second region D2 to fix the side of the light guide plate 20 away from the through hole K2 to the back plate 10 . In this embodiment, by making the waterproof coating 40 only cover the first region D1, and the reflective structure 30 covering the entire surface of the light guide plate 20 opposite to the bottom plate 11, while reducing the amount of the waterproof coating 40, taking into account the backlight module The light effect of 100 edge light not only achieves excellent waterpro...
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