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Question:
Because they can turn individual pixels off, Organic LED (OLED) displays have an incredible color contrast ratio. They also have a fantastic viewing angle. However, they may not be as bright as an LED (Light Emitting Diode) display. Backlighting is provided by LEDs in LED and mini-LED displays, but the LCD (Liquid Crystal Display) panel is still required. QLED is a marketing term, but QLED displays use a quantum dot layer to provide greater color depth than standard LED displays. Each pixel in a micro-LED is made up of three microscopic LEDs (red, green, and blue), and each pixel can be turned on and off like an OLED TV. QLED, mini-LED, and micro-LED are not yet included in the CompTIA A+ objectives.