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  • There are a variety of backlighting technologies available for LCD's. Whether a display requires backlighting depends upon the ambient light. The following are some common backlighting methods:

    1. LED (matrix or edge lit)
    2. EL Panel
    3. Incandescent lamp
    4. Fluorescent lamp
    5. Light guide with reflector

TYPE

EL

LED

CCFL

FEATURE

  • Even brightness
  • Low heat
  • Thin and light
  • Inverter not required
  • Long life
  • High brightness
  • High heat generation
  • Long life time
  • Lower power consumption

LIFETIME

2,000 ~ 5,000 Hrs

20,000 ~ 100,000 Hrs

10,000 ~ 20,000 Hrs

INVERTER

Required when operating EL with battery or a DC power supply

Not required

Required





  • There are a variety of backlighting technologies available for LCD's. Whether a display requires backlighting depends upon the ambient light. The following are some common backlighting methods:

    1. LED (matrix or edge lit)
    2. EL Panel
    3. Incandescent lamp
    4. Fluorescent lamp
    5. Light guide with reflector

TYPE

EL

LED

CCFL

FEATURE

  • Even brightness
  • Low heat
  • Thin and light
  • Inverter not required
  • Long life
  • High brightness
  • High heat generation
  • Long life time
  • Lower power consumption

LIFETIME

2,000 ~ 5,000 Hrs

20,000 ~ 100,000 Hrs

10,000 ~ 20,000 Hrs

INVERTER

Required when operating EL with battery or a DC power supply

Not required

Required





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