We know liquid crystal material itself is not light, that need the LCD panel back light source to provide light support. The light source in the past have been based on CCFL cold light lamp, CCFL cold light lamp light similar to fluorescent tubes we use every day. Whereas CCFL cold light lamp face brightness not uniform, high power consumption, and includes issues such as mercury. Comparatively, LED backlight power consumption and better material environmental protection, brightness uniformity is also relatively high and volume can be made thinner. LED backlighting is manufacturers are optimistic about the prospects. Let us recall the principle of LCD monitors.
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