1.2 Laptop Display

Question 1

What does LDC stand for?

Answer 1

Liquid crystal display

Question 2

What are the advantages / disadvantages of LDC

Answer 2

Advantages: lightweight, low power, low cost

Disadvantages: black levels are a challenge, requires a separate backlight which is difficult to replace

Question 3

What does OLED stand for?

Answer 3

Organic Light Emitting Diode

Question 4

OLED advantages / disadvantages?

Answer 4

Advantages: Thinner and lighter, no backlight

Disadvantages: not ready for laptops; organic materials degrade over time, decayed images can remain on screen; more costly; more energy intensive

Question 5

What are the three types of Wi-Fi antennas found in a laptop display?

Answer 5

Wifi Main, Wifi Aux, Bluetooth

Question 6

What does CCFL stand for?

Answer 6

Cold Cathode Fluorescent Lamp

Question 7

What is used more commonly in modern laptops - LED-backlit LCD displays or CCFL displays?

Answer 7

LED-backlit LCD displays

Question 8

What does an inverter do in a laptop?

Answer 8

Converts DC current to AC current

Question 9

How do you verify if a backlight is working or not when a display is black?

Answer 9

Use a flashlight to see if images are showing up behind display glass.