cold cathode

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cold cathode

n
(Electronics) electronics a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cold cathode - a cathode that is a source of electrons without being heated
cathode - a negatively charged electrode that is the source of electrons entering an electrical device
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References in periodicals archive ?
Micro-X, a provider of cold-cathode x-ray technology has announced a multi-faceted collaboration with Thales to develop X-ray imaging systems based on X-ray sources that use Carbon NanoTubes (CNT) cathodes, the company said.
LEDs have consigned cold-cathode fluorescent (CCFL) tubes to the dustbin of history.
Curved in-floor white 3,000K LEDs matches ceiling cold-cathode cove lighting.
As LED backlight is gradually replacing cold-cathode fluorescent lamps (CCFLs), the LED TV penetration rate is expected to surge to 65~70% this year from 40% of last year, according to Unity executives.
Other efficient lighting types include cold-cathode fluorescent lamps (CCFLs), which provide backlighting for LCD displays, and low-voltage lighting, lighting that operates at 30 volts or less and provides a lot more flexibility in design and location.
The cold room design (flat walls with coved corners, cold-cathode lighting, point-of-use HEPA filtration, movable, locking stainless steel workbenches and seamless flooring) also permits easy, rapid cleaning and allows for establishment of immediate product changeover procedures.
Arranging the LED elements in an evenly spaced array improves the uniformity of brightness compared to conventional CCFL (cold-cathode fluorescent lamp) backlights.
Replace incandescent lights with ENERGY STAR-qualified CFLs, cold-cathode compact fluorescent lamps (CCFLs), or light-emitting diodes (LEDs).
the DC260 includes dual cold-cathode lamps on the gooseneck to illuminate objects uniformly from any angle.
Additionally, the DC260 has a 22-inch gooseneck to capture larger or wide-angle images and two cold-cathode lamps that can uniformly illuminate objects from any angle.
Matsushita found that the lighting equipment, which uses LEDs (DC24V 0.3A, 7.2W) and cold-cathode tubes (DC24V 0.2A, 4.8W), helps maintain the quality and freshness of flowers through photosynthesis.