Display Devices Flashcards
What are the two types of active matrix LCD technologies?
Twisted Nematic (TN) and In-Plane Switching (IPS)
Which active matrix LCD Technology twists and untwists at different angles to let certain amounts of light through?
Twisted Nematic (TN)
Which active matrix LCD Technology aligns the liquid crystals on a plane that is parallel to the glass
In-Plane Switching (IPS)
What is the light source the LCD’s use
Cold Cathode Fluorescent Light (CCFL)
What are two types of technologies the LED monitors use?
Surface-Mounted Device (SMD) Technology and Discrete LED Technology
Which of the two technology types is more common for LED Monitors?
Surface-Mounted Device (SMD) Technology
What is the main difference between LED and LCD monitors
They use different backlights
What is the main advantage of OLED’s over LED.
OLED is cheaper.
What type of display basically resembles a fluorescent lamp and why?
Plasma - because it uses small cells that contain ionized gases
The term used to describe the number of bits that represent colour.
Colour Depth
The number of pixels displayed on the screen.
Display resolution
An image’s width divided by its height
Aspect Ratio
What is the aspect ratio of an HD Ready Resolution?
16:9 (1.78:1)
What is pixel dimension of a high definition screen
1920 X 1080
What is the pixel dimension of a Widescreen Super extended graphics array plus (HD)? WXSGA+(HD)
1680X945
