cold-cathode tube

cold-cathode tube

[′kōld ′kath‚ōd ‚tüb]
(electronics)
An electron tube containing a cold cathode, such as a cold-cathode rectifier, mercury-pool rectifier, neon tube, phototube, or voltage regulator.
References in periodicals archive ?
Edge-mounted cold-cathode tubes achieved this with a combination of diffusers and polarizers.
Demand for LEDs for backlighting will grow rapidly as they replace cold-cathode tubes.