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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Part Details Brand Backlight Type Backlight Colours Number of Pins CCFL Dimensions Dimensions CCFL Diameter CCFL Length Height Width
Ledtech Green Backlight, LED 8-Pin 23.3 x 48.7mm Ledtech LED Green 8 - 23.3 x 48.7mm - - 23.3mm 48.7mm
JKL Components White Backlight, CCFL, 2 dia xmm, 258mm JKL Components CCFL White 1 2.2 Dia. x 258mm - 2.2mm 258mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 140mm JKL Components CCFL White 1 2.2 Dia. x 140mm - 2.2mm 140mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 218mm JKL Components CCFL White 1 2 Dia. x 218mm - 2mm 218mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 318mm JKL Components CCFL White 1 2.6 Dia. x 318mm - 2.6mm 318mm - -
Electronic Assembly White Backlight, LED 40-Pin 31 x 55mm Electronic Assembly LED White 40 - 31 x 55mm - - 31mm 55mm
JKL Components White Backlight, CCFL, 3 dia xmm, 380mm JKL Components CCFL White 1 3 Dia. x 380mm - 3mm 380mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 214mm JKL Components CCFL White 1 2.6 Dia. x 214mm - 2.6mm 214mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 292mm JKL Components CCFL White 1 2 Dia. x 292mm - 2mm 292mm - -
JKL Components White Backlight, CCFL, 3 dia xmm, 100mm JKL Components CCFL White 1 3 Dia. x 100mm - 3mm 100mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 226mm JKL Components CCFL White 1 2 Dia. x 226mm - 2mm 226mm - -
JKL Components White Backlight, CCFL, 3 dia xmm, 228mm JKL Components CCFL White 1 3 Dia. x 228mm - 3mm 228mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 188mm JKL Components CCFL White 1 2.6 Dia. x 188mm - 2.6mm 188mm - -
JKL Components White Backlight, CCFL, 3 dia xmm, 300mm JKL Components CCFL White 1 3 Dia. x 300mm - 3mm 300mm - -
Electronic Assembly White Backlight, LED 40-Pin 51 x 68mm Electronic Assembly LED White 40 - 51 x 68mm - - 51mm 68mm
JKL Components White Backlight, CCFL, 2 dia xmm, 240mm JKL Components CCFL White 1 2.6 Dia. x 240mm - 2.6mm 240mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 250mm JKL Components CCFL White 1 2.6 Dia. x 250mm - 2.6mm 250mm - -
JKL Components White Backlight, CCFL, 2 dia xmm, 285mm JKL Components CCFL White 1 2.6 Dia. x 285mm - 2.6mm 285mm - -
Electronic Assembly Yellow-Green Backlight, LED 40-Pin 31 x 55mm Electronic Assembly LED Yellow-Green 40 - 31 x 55mm - - 31mm 55mm
Electronic Assembly Full Colour (RGB) Backlight, LED 40-Pin 31 x 55mm Electronic Assembly LED Full Colour (RGB) 40 - 31 x 55mm - - 31mm 55mm
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