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. 534-9940
Mfr. Part No.BF26285-20B
TWD495.00
Each
units
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS Stock No. 534-9861
Mfr. Part No.BF20325-24B
TWD542.00
Each
units
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS Stock No. 168-3897
Mfr. Part No.BF20325-24B
TWD345.90
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS Stock No. 168-3904
Mfr. Part No.BF26285-20B
TWD328.00
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS Stock No. 168-3894
Mfr. Part No.BF20218-24B
TWD369.30
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS Stock No. 534-9956
Mfr. Part No.BF26318-20B
TWD542.00
Each
units
CCFL White Yes 1 2.6 Dia. x 318mm - 2.6mm 318mm - - -
RS Stock No. 534-9827
Mfr. Part No.BF20218-24B
TWD638.00
Each
units
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS Stock No. 534-9849
Mfr. Part No.BF20292-24B
TWD640.00
Each
units
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS Stock No. 168-3905
Mfr. Part No.BF26318-20B
TWD353.70
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 318mm - 2.6mm 318mm - - -
RS Stock No. 168-3896
Mfr. Part No.BF20292-24B
TWD407.70
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS Stock No. 197-1242
Mfr. Part No.EA LED36x28-A
TWD195.70
Each (In a Tray of 25)
units
LED Amber - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1243
Mfr. Part No.EA LED36x28-A
TWD235.00
Each
units
LED Amber - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1244
Mfr. Part No.EA LED36x28-ERW
TWD335.10
Each (In a Tray of 25)
units
LED - - - - - - - - - EA DOGS104x-A
RS Stock No. 534-9883
Mfr. Part No.BF22258-25B
TWD514.00
Each
units
CCFL White Yes 1 2.2 Dia. x 258mm - 2.2mm 258mm - - -
RS Stock No. 534-9899
Mfr. Part No.BF26188-20B
TWD550.00
Each
units
CCFL White Yes 1 2.6 Dia. x 188mm - 2.6mm 188mm - - -
RS Stock No. 197-1245
Mfr. Part No.EA LED36x28-ERW
TWD414.00
Each
units
LED - - - - - - - - - EA DOGS104x-A
RS Stock No. 534-9906
Mfr. Part No.BF26214-24B
TWD538.00
Each
units
CCFL White Yes 1 2.6 Dia. x 214mm - 2.6mm 214mm - - -
RS Stock No. 534-9990
Mfr. Part No.BF3300-20B
TWD542.00
Each
units
CCFL White Yes 1 3 Dia. x 300mm - 3mm 300mm - - -
RS Stock No. 197-1246
Mfr. Part No.EA LED36x28-GR
TWD226.90
Each (In a Tray of 25)
units
LED - - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1254
Mfr. Part No.EA LED40x33-A
TWD207.90
Each (In a Tray of 20)
units
LED Amber - - - - - - - - EA DOGS104x-A