Display Backlighting

Display backlighting is used to illuminate LCDs (liquid crystal displays), as well as for machine vision, image scanning and task lighting. Unlike frontlights, which illuminate from the front, backlights usually produce illumination from the sides or from the back of the screen.

Types of display backlighting

You can choose from display backlighting in a range of colours (including white, green and yellow) and levels of brightness, depending on the application you need it for. The two main types of display backlight are:

  • LED (light emitting diodes) backlighting – this uses 10 to 18 LEDs arranged in a uniform pattern and usually provides white light.
  • CCFL (cold cathode fluorescent) backlighting – this uses a single straight glass tube, which works much like a normal fluorescent lamp.

Applications of display backlighting

As LCD screens are unable to illuminate themselves, they require a backlight to provide the illumination and make the image on the screen viewable. Apart from being used in computer displays, LCD televisions and smartphones, backlights are also used in small devices such as watches and pocket calculators to improve readability in low-light conditions.


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Description Price Backlight Type Backlight Colours Variable Brightness Number of Pins CCFL Dimensions Dimensions CCFL Diameter CCFL Length Height Width Series
RS Stock No. 534-9934
Mfr. Part No.BF26250-24B
MYR63.89
Each
units
CCFL White Yes 1 2.6 Dia. x 250mm - 2.6mm 250mm - - -
RS Stock No. 168-3903
Mfr. Part No.BF26250-24B
MYR41.596
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 250mm - 2.6mm 250mm - - -
RS Stock No. 534-9899
Mfr. Part No.BF26188-20B
MYR60.78
Each
units
CCFL White Yes 1 2.6 Dia. x 188mm - 2.6mm 188mm - - -
RS Stock No. 168-3894
Mfr. Part No.BF20218-24B
MYR46.318
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS Stock No. 168-3900
Mfr. Part No.BF26188-20B
MYR45.849
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 188mm - 2.6mm 188mm - - -
RS Stock No. 168-3908
Mfr. Part No.BF3300-20B
MYR44.36
Each (In a Bag of 100)
units
CCFL White Yes 1 3 Dia. x 300mm - 3mm 300mm - - -
RS Stock No. 534-9990
Mfr. Part No.BF3300-20B
MYR69.71
Each
units
CCFL White Yes 1 3 Dia. x 300mm - 3mm 300mm - - -
RS Stock No. 797-2371
Mfr. Part No.BF20125-28B
MYR60.78
Each
units
CCFL White - 2 2 Dia. x 125mm - 2mm 125mm - - -
RS Stock No. 168-3982
Mfr. Part No.BF20125-28B
MYR45.11
Each (In a Bag of 100)
units
CCFL White - 2 2 Dia. x 125mm - 2mm 125mm - - -
RS Stock No. 534-9827
Mfr. Part No.BF20218-24B
MYR61.76
Each
units
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS Stock No. 534-9849
Mfr. Part No.BF20292-24B
MYR62.21
Each
units
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS Stock No. 168-3896
Mfr. Part No.BF20292-24B
MYR47.175
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS Stock No. 168-3904
Mfr. Part No.BF26285-20B
MYR41.126
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS Stock No. 168-3898
Mfr. Part No.BF22140-24B
MYR53.70
Each (In a Bag of 100)
units
CCFL White Yes 1 2.2 Dia. x 140mm - 2.2mm 140mm - - -
RS Stock No. 534-9861
Mfr. Part No.BF20325-24B
MYR75.93
Each
units
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS Stock No. 534-9833
Mfr. Part No.BF20226-24B
MYR60.78
Each
units
CCFL White Yes 1 2 Dia. x 226mm - 2mm 226mm - - -
RS Stock No. 534-9940
Mfr. Part No.BF26285-20B
MYR74.08
Each
units
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS Stock No. 168-3901
Mfr. Part No.BF26214-24B
MYR71.135
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 214mm - 2.6mm 214mm - - -
RS Stock No. 534-9928
Mfr. Part No.BF26240-24B
MYR62.17
Each
units
CCFL White Yes 1 2.6 Dia. x 240mm - 2.6mm 240mm - - -
RS Stock No. 168-3895
Mfr. Part No.BF20226-24B
MYR47.175
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 226mm - 2mm 226mm - - -