Dynamic EL lighting with a single power source

An electroluminescence cell lightening device comprising:

• a single power supply for lightening an electroluminescence cell (EL);
• a plurality of ELs connected to said single power supply;
• dynamic lightening means for dynamically lightening said plurality of ELs by sequentially scanning a plurality of lightening signals with time division, said dynamic lightening means connects said plurality of ELs to an output side of a single inverter through AC switches, and further provides a control circuit for controlling the lightening of the ELs;
• said control circuit is connect to said AC switches, and said control circuit outputs EL lightening signals to control ON/OFF operations of said AC switches and also applies an AC voltage to each EL by time division so that said ELs are lightened;
• and
• EL luminescence brightness switching means for individually switching the luminescence brightness of said plurality of ELs in accordance with the timing at which said scanning is performed, said EL luminescence brightness switching means varies the time during which said AC voltage is applied, in accordance with the timing of said dynamic lightening means at which the EL is lightened.

An electroluminescence cell lighting device comprising;

• a plurality of electroluminescence cells;
• a single power supply for lighting said plurality of electroluminescence cells;
• dynamic lighting means for dynamically connecting said plurality of electroluminescence cells to said single power supply in a time division manner;
• EL luminescence brightness switching means for individually switching a luminescence level of each of said plurality of electroluminescence cells between a first and second level in accordance with said connecting of said cells to said power supply, said first and second levels being having a luminescence magnitude greater than zero.