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 168-3904
製造零件編號BF26285-20B
TWD328.00
個 (以毎袋:100)
單位
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS庫存編號 534-9940
製造零件編號BF26285-20B
TWD495.00
單位
CCFL White Yes 1 2.6 Dia. x 285mm - 2.6mm 285mm - - -
RS庫存編號 534-9861
製造零件編號BF20325-24B
TWD542.00
單位
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS庫存編號 168-3897
製造零件編號BF20325-24B
TWD345.90
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 325mm - 2mm 325mm - - -
RS庫存編號 168-3896
製造零件編號BF20292-24B
TWD407.70
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 292mm - 2mm 292mm - - -
RS庫存編號 168-3894
製造零件編號BF20218-24B
TWD369.30
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS庫存編號 534-9849
製造零件編號BF20292-24B
TWD640.00
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
TWD638.00
單位
CCFL White Yes 1 2 Dia. x 218mm - 2mm 218mm - - -
RS庫存編號 534-9956
製造零件編號BF26318-20B
TWD542.00
單位
CCFL White Yes 1 2.6 Dia. x 318mm - 2.6mm 318mm - - -
RS庫存編號 168-3905
製造零件編號BF26318-20B
TWD353.70
個 (以毎袋:100)
單位
CCFL White Yes 1 2.6 Dia. x 318mm - 2.6mm 318mm - - -
RS庫存編號 197-1232
製造零件編號EA LED39x41-GR
TWD165.80
Each (In a Tray of 24)
單位
LED - - - - - - - - - EA DOGS104x-A
RS庫存編號 197-1229
製造零件編號EA LED39x41-A
TWD168.00
/個 (每包:2個)
單位
LED Amber - - - - - - - - EA DOGS104x-A
RS庫存編號 197-1271
製造零件編號EA LED66x40-GR
TWD314.40
Each (In a Tray of 11)
單位
LED - - - - - - - - - EA DOGS104x-A
RS庫存編號 197-1254
製造零件編號EA LED40x33-A
TWD207.90
Each (In a Tray of 20)
單位
LED Amber - - - - - - - - EA DOGS104x-A
RS庫存編號 797-2375
製造零件編號BF22160-24B
TWD524.00
單位
CCFL White - 2 2.2 Dia. x 160mm - 2.2mm 160mm - - -
RS庫存編號 534-9990
製造零件編號BF3300-20B
TWD542.00
單位
CCFL White Yes 1 3 Dia. x 300mm - 3mm 300mm - - -
RS庫存編號 197-1286
製造零件編號EA LED94x40-A
TWD445.00
單位
LED Amber - - - - - - - - EA DOGS104x-A
全新
RS庫存編號 197-1257
製造零件編號EA LED40x33-ERW
TWD312.00
Each (In a Tray of 20)
單位
LED - - - - - - - - - EA DOGS104x-A
RS庫存編號 168-3895
製造零件編號BF20226-24B
TWD365.60
個 (以毎袋:100)
單位
CCFL White Yes 1 2 Dia. x 226mm - 2mm 226mm - - -
RS庫存編號 197-1230
製造零件編號EA LED39x41-W
TWD406.00
Each (In a Tray of 24)
單位
LED White - - - - - - - - EA DOGS104x-A