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. 197-1308
Mfr. Part No.EA LED94X67-GR
€25.14
Each
units
LED - - - - - - - - - EA DOGS104x-A
RS Stock No. 168-3902
Mfr. Part No.BF26240-24B
€9.567
Each (In a Bag of 100)
units
CCFL White Yes 1 2.6 Dia. x 240mm - 2.6mm 240mm - - -
RS Stock No. 168-3910
Mfr. Part No.BF3380-20B
€11.073
Each (In a Bag of 100)
units
CCFL White Yes 1 3 Dia. x 380mm - 3mm 380mm - - -
RS Stock No. 168-3906
Mfr. Part No.BF3100-20B
€8.661
Each (In a Bag of 100)
units
CCFL White Yes 1 3 Dia. x 100mm - 3mm 100mm - - -
RS Stock No. 168-3896
Mfr. Part No.BF20292-24B
€10.145
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS Stock No. 197-1304
Mfr. Part No.EA LED94X67-A
€21.377
Each (In a Tray of 6)
units
LED Amber - - - - - - - - EA DOGS104x-A
RS Stock No. 758-8699
Mfr. Part No.EA LED55x46-W
€19.25
Each
units
LED White - 40 - 46 x 55mm - - 46mm 55mm -
RS Stock No. 197-1283
Mfr. Part No.EA LED94x40-W
€27.94
Each
units
LED White - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1254
Mfr. Part No.EA LED40x33-A
€6.284
Each (In a Tray of 20)
units
LED Amber - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1231
Mfr. Part No.EA LED39x41-W
€12.82
Each
units
LED White - - - - - - - - EA DOGS104x-A
RS Stock No. 201-0368
Mfr. Part No.AC 821
€10.60
Each
units
- - - - - - - - - - -
RS Stock No. 168-3897
Mfr. Part No.BF20325-24B
€8.61
Each (In a Bag of 100)
units
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS Stock No. 534-9934
Mfr. Part No.BF26250-24B
€13.09
Each
units
CCFL White Yes 1 2.6 Dia. x 250mm - 2.6mm 250mm - - -
RS Stock No. 758-8658
Mfr. Part No.EA LED55x31-G
€5.07
Each
units
LED Yellow-Green - 40 - 31 x 55mm - - 31mm 55mm -
RS Stock No. 197-1282
Mfr. Part No.EA LED94x40-W
€25.994
Each (In a Tray of 7)
units
LED White - - - - - - - - EA DOGS104x-A
RS Stock No. 535-0007
Mfr. Part No.BF3380-20B
€16.58
Each
units
CCFL White Yes 1 3 Dia. x 380mm - 3mm 380mm - - -
New
RS Stock No. 197-1258
Mfr. Part No.EA LED40x33-ERW
€9.82
Each
units
LED - - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1270
Mfr. Part No.EA LED66x40-A
€7.57
Each
units
LED Amber - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1287
Mfr. Part No.EA LED94x40-GR
€18.341
Each (In a Tray of 7)
units
LED - - - - - - - - - EA DOGS104x-A
RS Stock No. 197-1268
Mfr. Part No.EA LED66x40-W
€18.33
Each
units
LED White - - - - - - - - EA DOGS104x-A