Laser backlight surface light source
A technology of laser light source and backlight surface, applied in the field of laser display, can solve the problems of small color gamut, difficulty in starting at low temperature, non-compliance with environmental protection standards, etc., and achieve the effect of improving spatial resolution and improving energy utilization rate
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[0020] Such as figure 1 As shown, the laser backlight surface light source of the present invention includes a laser light source 1, a beam splitter 2, a broadband dielectric film high reflector 3, a beam expander 4 and a beam expander 5, a fine light guide rod 6, a fine light guide rod 7 and a backlight module 8. The laser light source 1 is located in front of the beam splitter 2, the broadband dielectric film high reflector 3 is located behind the beam splitter 2, and the beam expander 4 and the beam expander 5 are located in the beam splitter 2 and the broadband dielectric film high reflector 3, respectively. On the side, two fine light guide rods 6 and 7 are embedded in the upper and lower sides of the light guide plate 10 in the backlight module 8 and are located on one side of the beam expander 4 and the beam expander 5 respectively.
[0021] Such as figure 2 As shown, the structure and function of the backlight module 8 are similar to those of the existing LCD module, in...
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