What causes LCD backlight failure?

Related questions

1. Which display is better TFT or IPS LCD?
2. Is LCD or LED monitor better?
3. What is the purpose of backlight on an LCD screen?
4. Why are projectors so expensive?
5. What is the difference between LCD and LED screen?
6. What is difference between LED and OLED?
7. Which consumes more power LED or LCD?
8. Which is better LED or LCD projector?
9. Which uses less power LED or LCD?
10. What's better edge lit or backlit?

Tags

1. #filter
2. #display
3. #common
4. #defective
5. #backlight
6. #water
7. #breaks
8. #failures
9. #result
10. #causes
11. #inside
12. #power
13. #failure
14. #circuit
15. #occurs
16. #severing
17. #damage
18. #simply
19. #screen
20. #occur
21. #short