Backlight source device and liquid crystal display
A backlight and light source technology, applied in the direction of instruments, optics, nonlinear optics, etc., can solve the problems of large incident dark area, small incident dark area, low uniformity of light output, etc., to increase brightness and uniformity , Improve the effect of beam utilization
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[0022] see Figure 4 , is the first embodiment of the backlight device of the present invention, the backlight device 100 includes a plurality of point light sources 110 and a light guide plate 120 . The point light source 110 emits light beams, and the light guide plate 120 guides the transmission direction of the light beams emitted by the point light source 110 and converts them into planar light sources for emission.
[0023] The point light source 110 can be a light emitting diode or a light bulb, and a plurality of light emitting diodes or light bulbs of different colors can be configured to adjust the required color and brightness of the light source.
[0024] Please refer to FIG. 5 together. The light guide plate 120 is a flat light guide plate made of transparent materials such as acrylic, glass or polycarbonate, and includes an incident surface 121, a light exit surface 122 connected to the incident surface 121, and a The bottom surface 123 opposite to the light emi...
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