Back light apparatus
A backlight device, light source technology, applied in optics, nonlinear optics, instruments, etc., can solve problems such as increased brightness deviation
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[0028] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0029] figure 2 is an exploded perspective view showing the backlight device according to the first embodiment of the present invention. As shown in the figure, the backlight device 100 according to the present invention is installed on the inspection equipment for detecting defects on the object to be inspected, such as an LCD panel. , transmission and other light properties to detect defects on the object to be inspected, including a light source 110 for emitting light, a reflector 120 for reflecting light, and a brightness correction pattern 130 arranged on the reflector 120 .
[0030] The light source 110 may use a light-emitting diode (also called LED) with a long lifespan, or a cold cathode fluorescent lamp (also called CCFL) that emits less noise and heat, or a hot cathode fluorescent lamp (also called HCFL) that can achieve high brightness, or a As ...
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