SHENZHEN XINMEIZHE INDUSTRIAL CO., LTD
National High-Tech Enterprise of digital electronics, LCD modules and backlights
Location : Suitable for light source editing
Release time:28/12/2020 By:Admin
Suitable for light source editing
In the design of backlight, the selection of light source is very important. The light source used determines the power consumption, brightness, color and other photoelectric parameters of the backlight, as well as its service conditions and service life. The following table is a brief comparison of the light sources and their characteristics that can be used for LCD backlight: light source shape, light source type, color power consumption (W) (watt) life (H)
The lamp is 2800k or so, more than 1.0 2000, simple, small, low price, large volume and serious heating
LED (light emitting diode) blue ~ red, 430 ~ 700nm, over 0.038, long life, low heating, low brightness
Linear light source CCFL (cold cathode fluorescent tube) red, green, blue and their mixed color 1.0 ~ 10.0 25000, high brightness, long life, high inverter driving voltage
Hcfl (hot cathode fluorescent tube) 4.0 ~ 220 5 ~ 7000 has serious heating
Surface light source VFD (flat fluorescent lamp) under 200MW / cm2, high brightness, good uniformity, dual power drive
EL (electroluminescent sheet) below 20MW / cm2, 5000 thin, good uniformity, short life, low brightness
OLED (organic light emitting diodes) are thin, uniform, high brightness and short life
Fed (flat field emission) over 10000 brightness high development
In the design of backlight, the selection of light source is very important. The light source used determines the power consumption, brightness, color and other photoelectric parameters of the backlight, as well as its service conditions and service life. The following table is a brief comparison of the light sources and their characteristics that can be used for LCD backlight: light source shape, light source type, color power consumption (W) (watt) life (H)
The lamp is 2800k or so, more than 1.0 2000, simple, small, low price, large volume and serious heating
LED (light emitting diode) blue ~ red, 430 ~ 700nm, over 0.038, long life, low heating, low brightness
Linear light source CCFL (cold cathode fluorescent tube) red, green, blue and their mixed color 1.0 ~ 10.0 25000, high brightness, long life, high inverter driving voltage
Hcfl (hot cathode fluorescent tube) 4.0 ~ 220 5 ~ 7000 has serious heating
Surface light source VFD (flat fluorescent lamp) under 200MW / cm2, high brightness, good uniformity, dual power drive
EL (electroluminescent sheet) below 20MW / cm2, 5000 thin, good uniformity, short life, low brightness
OLED (organic light emitting diodes) are thin, uniform, high brightness and short life
Fed (flat field emission) over 10000 brightness high development
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