What is a Cold cathode tube?

Cold cathode tubes are a type of fluorescent light that does not require heating of the cathode to initiate discharge. Unlike traditional fluorescent lights that rely on heated cathodes to generate the discharge, cold cathode tubes directly generate the discharge without heating, offering longer lifespan and higher energy efficiency. They are commonly used in applications like backlighting, displays, and lighting systems, offering the advantage of being thinner and more compact. These tubes are widely utilized in electronic devices, LCD backlighting, and advertising displays due to their high brightness and uniform light output.

Application of Cold cathode tube

１．LCD Backlighting: Cold cathode tubes are used as backlighting for liquid crystal displays, providing high brightness.
２．Advertising Displays: They are used in advertising displays and billboards, offering bright and uniform light.
３．Thin Lighting Systems: Due to their thin design, cold cathode tubes are used in compact lighting systems.

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