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Backlight options for LCD modules
z EL Backlight
z CCFL Backlight
z LED Backlight
EL Backlight Precautions For Handling LCD Modules
Flat surface light source offers simple and even illumination over large area.
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Max.1.3mm thickness ( Max.
1.5mm for lead portion )
Wide driving condition, 60-
1,000Hz at 150V AC Max. With
inverter, step-up voltage from
1.5V battery is available.
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z
Emitted colors are blue-green,
yellow-green and white.
Operating characteristics of
PC2002-A SERIES is 110V,
400Hz, 8mA, ( Ta=20°C, 60%
RHæ)
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Temperature Range:
{
{
Operating 0°C~ +50°C
Storage -20°C~ +60°C
Inverter for EL Backlight Drive:
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Requires an inverter to operate the EL panel with a battery or DC power supply.
Low inverter loss and high light efficiency since it is designed for EL backlight.
Constant power consumption during operation, given temperature change for extended
hours. This is characterized by the constant supply current, which minimizes the
brightness change of the EL panel.
CCFL Backlight( Cold Cathode Fluorescent Lamp )
http://www.powertipusa.com/bl.htm
12/10/2004
POWERTIP [ POWERTIP TECHNOLOGY ]
