This approach works well enough to have made LCDs the dominant display technology, but only a small fraction of the light (typically 10-20%) from the backlight passes through the display.

这种技术表现非凡，让液晶显示屏称为屏幕显示的主导技术，但光仅有一小部分（常规10-20%）能从背光通过到达显示屏上。

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Power saving: Turn off display or reduce backlight in LiveView during idle times.

省电：在实时显示时关闭显示屏或减少在空闲时间的背光。

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Optical plate, method of manufacturing optical plate, backlight assembly and liquid crystal display device.

光学板，制造光学板的方法，背光组件及液晶显示装置。

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One pitfall, though, is that the display exhibits some backlight bleeding.

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The display's backlight has nanopatterned grooves that send blue, green and red in multiple directions, letting the LCD show only the light that would be seen from a given viewpoint.

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The other display on hand was monochrome with a backlight that flickered on and off as a generic desk lamp shone directly onto it.

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