INVERTER FOR EL AND CCFL DRIVE

摘要

PURPOSE: An inverter for an EL and a CCFL is provided to extend lifespan and reduce power consumption by receiving an input of a sensor and automatically adjusting the brightness and luminance. CONSTITUTION: An AC power supply unit(1) supplies a common power of the AC 220V. A DC power supply unit(2) comprises a chargeable secondary battery lithium battery(8). An oscillation and a wave combination circuit(4) combines a square wave with a sine wave. An inverter output controller(5) controls the brightness and luminance of EL and CCFL. A digital conversion and program controller(7) compares and outputs programmed internal data with the data of a sensor.