Flat panel monitor characteristics

1
Flat panel monitor characteristics

• Screen size
• Viewing angle
• Response rate How quickly the pixels change
  color.
• Contrast ratio the ratio btn the monitors
  brightest white and darkest black. 400 1 to
  6001
• Native resolution the number of individually
  addressable pixels in the screen matrix.
• Brightness/luminescence measured in candelas per
  square meter (cd/m2). Average is 250 to 500cd/m2
• Other features
• Change orientation
• Built-in speakers
• Anti-theft lock
• Wall mounting
• Built in USB hub

2
Flat panel monitor connections

• Connection types
• 15-pin VGA style connection cable
• DVI-D (dual link Digital Video Interface) digital
  only
• DVI-I digital and analog

3
DVI-D

• Digital-only connection
• Dual-link contains 24 pins in 3 rows of 8 plus a
  grounding slot
• Single-link contains 18 pins

4
DVI-D connector
DVI-I connector
5
DVI-I

• Supports digital and analog signals
• DVI-I contains 4 additional pins over DVI-D
• Extra 4-pins carry analog signals
• Analog signal pins located above and below the
  grounding slot

6
TMDS--Transition minimized differential signaling

• Protocol used to transmit data to digital monitor
• No analog conversion
• Single-link cables use one TDMS transmitter
• Dual-link cables use two TDMS transmitters
• Supported resolutions
• Single-link up to 1920x1080
• Dual-link up to 2048x1596

7
Touch screen

• Touch-sensitive surface
• Pressure-sensitive resistors
• Infrared sensors
• Electronic capacitors
• Uses
• PDAs
• Point-of-sale terminals
• Bank ATMs

8
Touch screen input methods

• Additional layer with electrical current
• Capacitors between layers
• Acoustic waves

9
Multiple monitors
10
Display projectors

• Show computer screen to large groups
• Useful for meetings and classroom
• Connect using
• VGA
• S-Video
• Composite
• USB
• Serial

11
Display Port technology

• New specification developed by VESA
• Covers
• Displays
• CRT
• LCD
• Plasma
• Projection
• Connections
• PCs
• Game systems
• DVD players
• Other image sources

12
LCD monitor issues

• Indicator light colors
• Shaky image
• Fuzzy image
• No image
• Discolored image

13
Speakers connected to a PC
14
Speakers connected together
15
Microphone connection to a PC
16
Music keyboard connected to ? jack
17
MIDI connections
18
Flatbed scanner
19
Multifunction sheetfeed scanner
20
Hand-held scanner