Side-light type back light
A backlight and side-light technology, applied in optics, nonlinear optics, lighting devices, etc., can solve the problems of reducing backlight brightness and light intensity attenuation, and achieve the goal of increasing brightness, reducing light intensity attenuation, and improving utilization. Effect
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[0015] Brightness is an important parameter in the performance of the backlight. Only a high-brightness backlight can make the color of the picture more vivid. The side-light type backlight source of the invention can provide high-brightness light to improve the brightness of the liquid crystal display screen.
[0016] Such as figure 2 As shown, it is a schematic structural view of the first embodiment of the edge-lit backlight of the present invention. This embodiment includes a light source 10 , a light guide plate 20 , a light source reflection cover 30 , and a reflection plate 40 , wherein a convex lens 50 is correspondingly arranged between the light source 10 and the light guide plate 20 for converging incident light from the light source 10 . The height of the convex lens 50 should be the same as or close to the height of the light guide plate, so that the refraction angle of the light entering the light guide plate should be as concentrated as possible between 1° and...
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