Ultra-thin lamp box with built-in LED lamp and preparation method of ultra-thin lamp box
A technology for LED lamps and LED strips, which is applied to components of lighting devices, cooling/heating devices of lighting devices, display devices, etc., can solve the problems of high packaging and transportation costs, complicated assembly, etc.
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Embodiment 1
[0032] Please refer to figure 1 and figure 2 As shown, the present invention discloses an ultra-thin light box with built-in LED lamps, including a light guide plate 1 and an LED light bar 2. Connected groove 11, groove 11 is 3mm wide and 4mm deep, LED light bar 2 is set in groove 11, light guide plate 1 is located inside groove 11, and laser dots 12 are marked on the bottom surface A reflective paper 13 is attached, and the reflective paper 13 is PC reflective paper with a thickness of at least 0.35 mm. The outer edge of the light guide plate 1 is wrapped with aluminum foil 3 .
[0033] One side of the bottom surface of the light guide plate 1 is provided with an outlet 14 communicating with the groove 11. When the LED light bar is installed in the groove 11, after the wire is drawn out from the outlet 14, there is hot melt adhesive to seal the outlet 14. .
[0034] The bottom surface of the light guide plate 1 is located on the inner side of the groove 11, and the high-v...
Embodiment 2
[0038] A method for manufacturing an ultra-thin light box with built-in LED lights, comprising the following steps:
[0039] S1. Engraving interconnected grooves on the four sides of the bottom surface of the 5mm thick light guide plate at 3mm near the edge, the grooves are 3mm wide and 4mm deep, and engrave the outlet on one side;
[0040] S2. Use a vibrating mirror laser machine to mark laser dots on the inner side of the groove of the engraved light guide plate, paste the reflective paper on the bottom surface of the light guide plate, and reflect until PC reflective paper with a thickness of ≥0.35 is used. There must be enough stiffness sex;
[0041] S21. Use laser to mark laser dots on the position inside the groove of the engraved light guide plate;
[0042] S22. Paste 3M double-sided adhesive tape on the inner side of the groove on the bottom surface of the light guide plate, and set a 2mm exhaust seam between the 3M double-sided adhesive tape on the adjacent two sides...
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Abstract
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