本篇論文主要採用定電流輸出之升壓式電源轉換器做為紅綠藍發光二極體驅動與調光控制，使用人機控制介面做為紅綠藍發光二極體調光命令的輸入，針對二極體驅動時，其順向電壓與順向電流之特性曲線提出一個智慧型數位控制電源之方式，同時探討升壓式轉換器操作在不連續導通模式其補償器之設計與應用，並且研究與測試均流電路在定電流輸出之升壓式轉換器所造成的影響與效果。論文最後提供模擬與實驗結果以驗證本文所提電路之有效性。實驗結果顯示，本文所提電路可成功的驅動紅綠藍發光二極體，且可利用所開發之人機介面成功的進行調光與混色之動作。

In this thesis, a constant current output of boost converter for RGB LED backlight module is presented, and a human machine interface (HMI) for dimming the backlight module is also developed. To successfully drive the RGB LED backlight module, a smart digital controller which takes the forward voltage – forward current relationships of the RGB LED modules into account is first proposed to control the proposed driving circuit. Next, the compensation circuit design for discontinuous conduction mode boost converter is discussed and different current sharing methods are presented and compared. Finally, simulation and experimental results are presented to validate the effectiveness and correctness of the proposed system. According to the experimental results, the presented system can successfully drive the RGB LED backlight module, and the dimming and color-mixing function can be achieved using the developed HMI and driving system.

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