What is the difference between LCD and LED screen?

Related questions

1. Which display is better TFT or IPS LCD?
2. Which TV is best LED or LCD or plasma?
3. Is OLED better than LCD for eyes?
4. Is Direct led better than edge lit?
5. Is led better than IPS?
6. Why are projectors so expensive?
7. What is the difference between OLED and LCD?
8. What's better edge lit or backlit?
9. What's better for gaming LCD or LED?
10. What is difference between LED and OLED?

Tags

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2. #while
3. #lights
4. #liquid
5. #diodes
6. #stands
7. #which
8. #those
9. #really
10. #subset
11. #displays
12. #crystal
13. #general
14. #display
15. #emitting
16. #light
17. #technically
18. #differs