Laptop Displays - CompTIA A+ 220-1101 - 1.2

Liquid Crystal Display (LCD)

- Screen type used on many laptops today.

- Lightweight, uses little power, and inexpensive.

- Difficult to repair or replace

TN (Twisted Nematic) LCD

- The original LCD technology

- Has fast response times but poor viewing angles

IPS (In Plane Switching) LCD

- Has excellent color representation

- This LCD is more expensive to produce

VA (Vertical Alignment) LCD

- A good compromise between the rest of the LCD technologies.

- Good color representation but slower response times

Organic Light Emitting Diode (OLED)

- Organic compound that emits light when receiving an electric current

- Thinner, lighter, and no backlight

- Found on tablets, phones, and smart watches

Cold Cathode Fluorescent Lamp (CCFL)

- Found on older laptops and is no longer a common backlight

- Has added thickness to the display

- Needs higher voltage and power

LED-backlit LCD display

- An LCD display with an array of LEDS behind the screen

- Found on the latest laptops

Laptop Inverter

This component is responsible for converting DC power to AC

Digitizer

Converts finger and stylus contact into input data for a device like a laptop, tablet, or hybrid device