Monitors

• Monitors are the devices used to display the information of CPU.
• Upto this time there are four types of Monitors.
• CRT
• LCD
• LED
• OLED

CRT (Cathode Ray Tube) Monitors :

• Cathode Ray Tube these are the old fashioned monitors which are used years back.
• Functionality of the CRT
• Electronic Guns(Red, Green and Blue) emits electronic beam.
• Focusing Coil changes the focus of the ray.
• Horizontal and Vertical Focus deflects the light ray.
• Mask used to make beam project as dots on florescent screen.

• CRT screens are Large is size.
• CRT screens consumes more power.
• CRT screens picture clarity is not very clear.

LCD (Liquid Crystal Display) Monitors:

• Uses florescent tube for emitting light and LCD for displaying.
• Functionality of the LCD:
• Florescent Tube emits the light beam.
• This beam process through the polarize(Filter the same axis waves).
• Then LCD twists the wave in 90 degrees.
• Again light passed through polarize.
• Beam heats RGB coated layer  to emit colors.

• LCD screens are Thinner in size.
• Cannot Produce Perfect Black color.

LED (Light Emitting Diode) Monitors:

• Light Emitting Diode monitors also use LCD, change is used LEDs to emit light.
• Functionality same as LCDs:
• Instead of Florescent we use the LEDs.
• LED makes more perfect colors and perfect black color.
• LEDs consumes less power.
• Screen can be clearly visible in any angle.

OLED (Organic Light Emitting Diode) Monitors:

• These uses OLEDs.
• Functionality :
• OLEDs are coated with the colored layer(ie.;RGBW)
• USES four colors of OLEDs to display.
• They directly hit on the glass screen.
• OLED Monitors are light weight.
• OLED Monitors produce natural colors.
• Screen can be twisted in direction.