A BT.2020 wide color gamut is obtained using a laser backlight liquid crystal display (LCD). A conventional side-edgelaser backlight requires a wide bezel area to achieve uniform brightness. We developed stacked double light guide plates,with each plate comprising light-mixing and light-emitting areas. The light-mixing area of each plate overlaps thelight-emitting area of another light guide plate, thereby reducing the bezel width from 150 to 15 mm for a 17-inch LCD.
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