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庫存編號 534-9861
製造零件編號BF20325-24B
TWD636.00
單位
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS庫存編號 534-9940
製造零件編號BF26285-20B
TWD510.00
單位
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS庫存編號 168-3897
製造零件編號BF20325-24B
TWD355.40
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS庫存編號 168-3904
製造零件編號BF26285-20B
TWD365.50
個 (以毎袋:100)
單位
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS庫存編號 534-9849
製造零件編號BF20292-24B
TWD531.00
單位
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS庫存編號 534-9827
製造零件編號BF20218-24B
TWD527.00
單位
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS庫存編號 168-3894
製造零件編號BF20218-24B
TWD388.20
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS庫存編號 168-3896
製造零件編號BF20292-24B
TWD387.50
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS庫存編號 168-3905
製造零件編號BF26318-20B
TWD426.60
個 (以毎袋:100)
單位
CCFL White Yes 1 2.6 Dia. x 318mm - 2.6mm 318mm - - -
RS庫存編號 534-9956
製造零件編號BF26318-20B
TWD584.00
單位
CCFL White Yes 1 2.6 Dia. x 318mm - 2.6mm 318mm - - -
RS庫存編號 534-9928
製造零件編號BF26240-24B
TWD530.00
單位
CCFL White Yes 1 2.6 Dia. x 240mm - 2.6mm 240mm - - -
RS庫存編號 797-2375
製造零件編號BF22160-24B
TWD529.00
單位
CCFL White - 2 2.2 Dia. x 160mm - 2.2mm 160mm - - -
RS庫存編號 534-9962
製造零件編號BF350-20B
TWD473.00
單位
CCFL White Yes 1 3 Dia. x 50mm - 3mm 50mm - - -
全新
RS庫存編號 197-1306
製造零件編號EA LED94X67-GR
TWD865.30
Each (In a Tray of 6)
單位
LED - - - - - - - - - EA DOGS104x-A
RS庫存編號 534-9934
製造零件編號BF26250-24B
TWD545.00
單位
CCFL White Yes 1 2.6 Dia. x 250mm - 2.6mm 250mm - - -
全新
RS庫存編號 197-1233
製造零件編號EA LED39x41-GR
TWD283.00
單位
LED - - - - - - - - - EA DOGS104x-A
RS庫存編號 168-3910
製造零件編號BF3380-20B
TWD426.30
個 (以毎袋:100)
單位
CCFL White Yes 1 3 Dia. x 380mm - 3mm 380mm - - -
RS庫存編號 171-1881
製造零件編號EA LED55X31-RGB
TWD845.30
個 (以毎盒:25)
單位
LED Full Colour (RGB) - 40 - 31 x 55mm - - 31mm 55mm -
RS庫存編號 168-3900
製造零件編號BF26188-20B
TWD382.70
個 (以毎袋:100)
單位
CCFL White Yes 1 2.6 Dia. x 188mm - 2.6mm 188mm - - -
RS庫存編號 758-8664
製造零件編號EA LED55x31-RGB
TWD956.00
單位
LED Full Colour (RGB) - 40 - 31 x 55mm - - 31mm 55mm -