Which type of laptop display has components that may contain mercury and use either a CCFL or LED backlight?
- plasma
- OLED
- LCD
- LED
Answers Explanation & Hints: Liquid crystal displays (LCDs) use more power than light-emitting diode (LED) or organic LED (OLED) displays. Both LCDs and LEDs use backlights, but LCD screens could use either a cold cathode fluorescent lamp (CCFL) or LED backlight.