Advertising & Display

EL Technology - Definition:
The EL lamp is essentially a capacitor structure with phosphor dielectric sandwiched between the electrodes, one of which is transparent to allow light to escape. The application of a voltage through an inverter across the electrodes generates a changing electric field within the phosphor, which causes the phosphor to emit light.

The lifetime:
The lifetime of the EL varies depending on the activated voltage and frequency. When used as POS advertisement the lifetime of the EL will be somewhat shorter than the EL backlight used for electronic instruments because a relatively high voltage and frequency (normally 800 Hz and 110V) is needed to reach this higher brightness. For these product frequencies EL signage products can have a lifetime of about 10,000 to 20,000 hours.

In the EL business sector people normally define the lifetime of the EL based on a frequency of 400Hz and a voltage of AC100V.That is when the EL was first commercially used as backlight for aircraft and electronic instruments. Our EL is activated with a frequency of 400Hz and a voltage of AC100V and has a lifetime of more than 20,000 hours.