臺灣博碩士論文加值系統

本文利用RGB感測器建立色彩多工偵測系統，為一套非接觸式RGB多感測器色彩量測系統。顯示器之色彩表現，是重要技術指標之ㄧ，但實際觀察同一廠商所生產之顯示器，因製程上的種種問題，造成不同機器間所呈現的色外貌不同。所以在此設計一RGB檢測電路，用來檢測顯示器的色溫表現，並使用sRGB色域當檢測標準來印証，提高本電路的準確度與實用性。同時希望將本電路應用於廣泛之色溫量測領域。
本系統針對紫外線波長400nm量測太陽眼鏡與抗UV鏡片之紫外線阻隔率，並用光譜儀做分析比較驗證量測結果，經實驗結果，三者都無法完全阻隔UV光，而抗UV能力以太陽眼鏡最佳，抗UV鏡片次之，一般鏡片則無抗UV弁遄C同時針對市售LCD顯示器做相關色溫與color cross talk量測，將測得的RGB值與照度計和Srgb的色域比對分析，經反覆比對証實本系統與照度計量測結果吻合，與Srgb色域定義之色溫誤差在± 3%以內。

The purpose of this study is to design a wide color Gamut LCD monitor measurement system which measures the chromaticity coordinates, color temperature and color cross talk of LCD monitor using the RGB color sensor, the technology of optoelectronic detection and color space transfer matrix. The color space transfer matrix compensates for the LCD and LED display. It is a linear transformation from the RGB color space to CIE1931 XYZ color space. While the test distance of 3 mm from the RGB color sensor to LCD monitor and the accuracy of chromaticity coordinates measurement is better than ± 3%. In this study, the color cross talk of all LCD monitor are good. The advantages of this system are real time, compact, low cost and multi-point measurement by multi-RGB sensor.

目 錄
誌謝………………………………………………………………… I
摘要………………………………………………………………… II
Abstract…………………………………………………………… III

目錄………………………………………………………………… IV

圖目錄……………………………………………………………… VII
表目錄……………………………………………………………… IX
第一章、緒 論……………………………………………………… 1
1.1研究背景與動機…………………………………………… 1
1.2研究目的…………………………………………………… 1
1.3文獻回顧…………………………………………………… 2
1.4論文架構…………………………………………………… 3
第二章、原理……………………………………………………… 4
2.1 色彩的原理………………………………………………… 4
2.1.1 光源……………………………………………………… 4
2.1.2物體的顏色與照射光之關係………………………… 7
2.1.3 人類肉眼的視覺………………………………………… 10
2.2 CIE 表色系統……………………………………………… 13
2.2.1 白色光之混光實驗……………………………………… 16
2.2.2 CIE xy色度座標系統…………………………………… 19
2.3 色度座標和三刺激值轉換………………………………… 21
2.4 色溫原理…………………………………………………… 24
2.4.1 色溫與黑體幅射………………………………………… 24
2.4.2 黑體與色溫……………………………………………… 24
2.4.3測量相關色溫的方法……………………………………… 25
2.5 光電轉換效應……………………………………………… 27
2.6 計笡色彩rgb比率………………………………………… 29
2.7 柔光測試…………………………………………………… 30
2.8 sRGB色彩空間……………………………………………… 32
第三章、系統架構………………………………………………… 37
3.1 廣色域量測之誤差與修正………………………………… 38
3.2 s9032-02特性與信號偵測………………………………… 38
3.3 光信號處理架構…………………………………………… 40
3.4 RGB信號處理與顯示……………………………………… 41
3.5 電路設計與製作…………………………………………… 43
3.6 廣色域量測系統程式流程………………………………… 48
第四章、實驗與結果……………………………………………… 51
4.1 眼鏡鏡片抗UV值量測…………………………………… 51
4.2 LCD顯示器量測與準確度驗証…………………………… 53
4.3 LCD Display的Color cross talk測試……………………… 58
第五章、結論與未來建議………………………………………… 61
參考文獻…………………………………………………………… 63
附錄………………………………………………………………… 66
附錄一 程式………………………………………………… 66
附錄二 本系統與CL-200 量測LCD顯示器相關色溫…… 83
作者簡介…………………………………………………………… 86

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