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Definition: WOLED

(White OLED) An OLED display panel that emits white light. In a WOLED TV, the white light is beamed through color filters similar to LCD TVs. In contrast, direct emission RGB, which is used in smartphones, emits red, green and blue light directly. WOLEDs are also used for ceiling and light fixtures (see OLED lighting). See LED TV and OLED.

Also known as WRGB because it has a white (W) subpixel, WOLED uses a color sandwich of yellow-blue (this example) or red-green-blue emitters that combine to shine white light through subpixel filters for TV screens. See OLED layers.