Display Specifications

Question 1

Refresh Rate

Answer 1

• Number of times the screen is redrawn
  
  • Measured in Hertz (Hz)
• LCD Display
  
  • No electron beams
  • Refreshes entire screen @ 60Hz, 120Hz, 144Hz, etc
  • Really frame rate

Question 2

Display Resolution

Answer 2

• Number of pixels on a display
• Aspect ratio
• Standard monitor 4:3 = 1600 x 1200 , 2048 x 1536
• Wide screen monitor 16:10 = 1920 x 1200 , 2560 x 1600
• HD 16:9 = 1920 x 1080 , 2560 X 1440

Question 3

Native Resolution

Answer 3

• An LCD display is fixed - #s of pixels doesn’t change
• A display looks best when the videos settings match a display native resolution. Mismatches cause disruption
• If changing the display resolution, try using a multiple of the native resolution
• 2560 x 1600 is the same as 1920 x 1200

Question 4

Luminance

Answer 4

• Condella per square meter ( Cd / M 2)

- More is better

Question 5

Lumens

Answer 5

• An Ansi test
• 3,000 lumens work in a sunlit room
• 6,000 lumens work in a sunlit room

Question 6

Analog vs Digital

Answer 6

• Analog video
  
  • Transmitted as a continuous signal
  • VGA video / DEI5 interface
  • DVI-A
• Digital video
  
  • Transmitted as discrete values
  • DVI-D (Digital Visual Interface)
  • HDMI (High Definition Multimedia Interface)