Device for controlling liquid crystal display or LCD has microchip mounted on glass of LCD and current and voltage limiting elements in current supply line leading to microchip

摘要

The device has a microchip mounted on the glass of the LCD and current and voltage limiting elements in the current supply line leading to the microchip. At least one voltage multiplier is provided in the microchip. Two current supply lines are connected to the cathodes of Zener diodes whose abodes are earthed.