CompTIA A+ 1101 (Laptop) Display Types Flashcards | Quizlet

What does the acronym LCD stand for?

Liquid Crystal Display

What does the acronym TN LCD stand for?

Twisted Nematic Liquid Crystal Display

What does the acronym IPS LCD stand for?

In Plane Switching Liquid Crystal Display

What does the acronym VA LCD stand for?

Vertical Alignment Liquid Crystal Display

What does the acronym OLED stand for?

Organic Light Emitting Diode

What does the acronym LED stand for?

Light Emitting Diode

How does an LCD display generate an image?

Light shines through liquid crystals.

What are three advantages of LCD displays?

Lightweight, relatively low power, and relatively inexpensive.

What are the disadvantages of an LCD display?

Black levels are a challenge, and it requires a separate backlight (such as florescent or LED).

What types of separate backlights can an LCD display require?

Florescent or LED

Which display type is identified as the original LCD technology?

TN LCD

What are the characteristics of TN LCD displays regarding response times and viewing angles?

Fast response times and poor viewing angles (color shifts).

What visual issue occurs with TN LCD displays due to poor viewing angles?

Color shifts

What are two key characteristics of IPS LCD displays?

Excellent color representation and more expensive than TN LCD.

Which LCD technology is referred to as the "middleground" LCD?

VA LCD

How do the response times of a VA LCD compare to a TN LCD?

VA LCD has slower response times than TN LCD.

How does OLED technology produce light?

An organic compound emits light when receiving an electric current.

What are the advantages of OLED displays?

Thinner and lighter than LCD (commonly used for mobile devices), no backlight needed, and very accurate color representation.

What is the primary disadvantage of OLED displays compared to LCD?

Costlier than LCD

Why does an OLED display not require a backlight?

Its organic compound emits light when receiving an electric current.

On what type of devices is fluorescent backlighting often seen?

Older laptops

What component is used in fluorescent backlighting to convert DC power to AC power?

An inverter

What does the acronym CCFL stand for?

Cold Cathode Fluorescent Lamp

What are the characteristics and requirements of CCFL backlighting?

High voltage and power needed, and very thick.

What is the layout of LEDs in LED backlighting?

Contains a matrix of LEDs behind the screen and LEDs surrounding the edge of the screen.