臺灣博碩士論文加值系統

電器用品在使用過程中消耗功率是變動的，若能夠將即時消耗功率的狀況，利用有線或無線的方式傳至電腦，利用電腦計算消耗功率與記錄與電力使用狀況，推動使用者選用更節能的電器用品，有助於使用者掌握電器用品的消耗功率狀態，進而改變使用條件或使用習慣，來達到省電的效果。
在本篇論文研究中，根據液晶顯示器的系統架構，分析了液晶顯示器的消耗功率來自於類比數位板、液晶面板與背光模組，並利用電力分析儀量測液晶顯示器在開啟模式、睡眠模式與關閉模式的消耗功率，將量測數據當作相關消耗功率參數，建立在液晶顯示器軟體中。根據液晶顯示器的工作原理，以及液晶顯示器支援的顯式模式範圍，分析出螢幕更新頻率為影響類比數位板消耗功率的因素、螢幕更新頻率與畫面顯示資料為液晶面板消耗功率的因素，背光亮度PWM為影響背光模組消耗功率的因素。而這些因素存在於液晶顯示器軟體中的變數，再搭配電源模式來判斷液晶顯示器的操作模式，搭配電源控制旗標來判斷液晶面板與背光模組開關狀態，就能夠以軟體方式計算液晶顯示器即時消耗功率。在電腦上實作應用軟體，透過顯示器本身液晶既有的串列傳輸介面，讀取液晶顯示器消耗功率相資料，計算與顯示目前的消耗功率值，消耗功率軟體計算值與量測值比較，平均誤差小於3%，最大誤差為7.41%，達到液晶顯示器即時消耗功率之功能。

The consumed power of most electronic products is usually varied. If the power consumption status can be transferred to PC via wire or wireless way, and the power consuming information to be measured and recorded immediately, user can choose power-saving products based on the information or adjust the using method or habit to achieve the purpose of saving power.
According to the system architecture of LCD monitor, the sources of power consumption are AD board, LCD panel, and backlight module. The power consumption of active mode, sleep mode, and power off mode can be measured by a power analyzer, and the measured data can be transferred to some power consumption parameters and integrated into LCD monitor software. According to the working principle and the supported timing mode, some power consumption factors can be analyzed as follows: the refresh rate is the power factor of the AD board, the refresh rate and display data are power factors of the LCD panel, and the backlight PWM is the power factor of backlight module. Since all these factors can be accessed as variables of the software of the LCD monitor and the display mode can be accessed by the power mode as well and some power flags can be used to judge the power status of the LCD panel and the backlight module, the power consumption of the LCD monitor can be calculated real-time by the software. A PC application is also implemented to read power information of the LCD monitor through the inherent serial transfer interface and calculate the current power consumption. The difference between the calculated data and the measured data is under 3% and 7.41% in most case. The result shows the target of acquiring power consumption status of the LCD monitor real-time can be achieved.

第一章 緒論
第二章 液晶顯示器系統
第三章 建立液晶顯示器系統消耗功率資訊
第四章 液晶顯示器即時消耗功率軟體
第五章 結論及未來研究方向
參考文獻與附錄

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