Anti-ultraviolet planar light source optical structure, anti-UV diffusion layer and LED panel light
A technology of LED flat light and flat light source, applied in the field of optical structure, can solve the problems of uneven brightness, reduced brightness, discoloration and yellowing, etc., and achieve the effect of slowing down the aging speed, avoiding the reduction of brightness, and saving the cost of materials
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Example Embodiment
[0084] Embodiment 1: The present invention provides an LED panel lamp containing the above-mentioned anti-ultraviolet planar light source optical structure, such as Figure 3.1 As shown, it also includes a light source 16, a back plate 6 and a frame 7, the back plate is located outside the reflective layer, the anti-ultraviolet diffusion layer, the light guide layer, the reflective layer and the back plate are all It is fixed in the outer frame, and the incident point of the light source is located on the side of the light guide layer.
Example Embodiment
[0085] Embodiment 2: a kind of LED flat light, such as Figure 3.2 , Figure 4 , Figure 5 , Figure 7 and Figure 8 As shown, there is a buffer layer 4 between the back plate and the reflective layer. The back plate, the light guide layer, the reflective layer, the buffer layer and the anti-ultraviolet diffusion layer are stacked. Constructed as a flat plate.
[0086] The buffer layer 4 is a blister buffer layer, and the blister buffer layer is a blister product formed by connecting the convex part 41 and the concave part 42, such as: Figure 4 and Figure 5 As shown, the buffer layer can also be a buffer material of non-blister products, such as spring, EVA (ethylene-vinyl acetate copolymer) buffer material, EPP (expanded polypropylene) buffer material, EPE (expandable polyethylene) ) buffer material or EPO (foamed polystyrene polyethylene blend) buffer material, but not limited thereto.
[0087] Preferably, the thickness of the buffer layer 4 is 0.3-15 mm.
[0088] ...
Example Embodiment
[0096] Embodiment 3: an LED panel light, such as Image 6 As shown, the light guide layer is a wedge-shaped light guide layer with a right-angled trapezoid cross-section, the thick side of the light guide layer is the light entrance side, the light entrance side is provided with an LED light bar 19, and the thin side of the light guide layer is A buffer material 9 is provided. Wherein, the cross section of the buffer layer or the back plate is also a right-angled trapezoid, and it is sufficient to ensure that the laminated structure composed of the back plate, the light guide layer, the reflection layer and the buffer layer is a flat plate.
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