light emitting diode driving device with a simple structure and an enhanced efficiency

Jiann-Fuh Chen (Inventor), Tsorng-Juu Liang (Inventor)

Research output: Patent

Abstract

一種發光二極體驅動裝置,包含:一發光二極體電路,電連接一交流電源的負端以接收一輸入電壓,並隨著該輸入電壓的變化而產生相對應變化的一驅動電壓,且於該驅動電壓遞增超過一臨界值時產生一驅動電流;及一箝制電路,電連接於該交流電源的正端和該發光二極體電路之間,以提供一具有一調變阻抗且用於傳導該驅動電流的傳導路徑
Original languageEnglish
Patent number8427071
Publication statusPublished - 2011 Jul 30

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