Light-emitting diodes (LEDs) are being developed in terms of improving luminous efficiency and widely used in solid-state lighting (SSL) application with the continuous innovations of SSL technology [1], [2], [3], [4], [5] and [6]. In recent years, monolithic alternating current (AC) light-emitting diodes (LEDs) has been revealed and regarded as a potential device for SSL application as it is implemented by connecting multiple LEDs in series to sustain high power supply voltage like AC 110 V or even 220 V. The overriding advantage of AC LEDs over direct current (DC) LEDs lies in their AC to DC converter free process and AC LEDs can be driven by main AC power directly. This solution improves AC LEDs reliability under specific circumstances and avoids 15–30% energy loss that consumed by the converter [7], [8] and [9].