The bulbs inside scanners (before transitioning to LED, anyway) were cold cathode fluorescent tubes that emit a fairly wide bandwidth of light. They were purpose-built to produce a very specific ...

For example, the backlights in earlier LCD screens were cold cathode fluorescent tubes, which were later replaced with LEDs (see CCFL). See cathode. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Finally, cold cathode ... fluorescent tubes doing unexpected things. The build details are a little scant, but we were able to coax an imgur album of [James]’ build. He’s using these 20 ...

LG Display said that it used its edge-lit LED backlight system instead of the commonly used Cold Cathode Fluorescent Lamp (CCFL), giving the panel a thickness of 5.9mm. Using proprietary Light ...