影像處理應用於TFT-LCD塗佈機台流率控制之設計與實現

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姓名

楊子泓(Zi-Hong Yang) 查詢紙本館藏

畢業系所

機械工程學系

論文名稱

影像處理應用於TFT-LCD塗佈機台流率控制之設計與實現
(Design and Implementation of Flow Control for TFT-LCD Coating System on Image Processing)

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摘要(中)

隨著科技的日新月異，電腦的運算速度提升，使得電腦不僅為生活中重要的幫手，更是工廠線上不可或缺的主角，工業上的機械視覺應用廣泛，視覺檢測、影像追蹤、精密訂位…等，皆可以透過電腦幫忙完成。而狹縫式塗佈更是目前TFT-LCD製程上的重要關鍵製程，其高效率與低消耗的特性促使目前面板業界皆採用這種形式的塗佈，來達到更佳塗佈與節省成本之功用。
本論文主要是以Visual C++為基礎，解決寬玻璃基板在狹縫式塗佈上的製程問題，因而建立一套可調變流率的系統，整個系統分為兩個部份，第一部分為因應塗佈上一些狀況所設計研發的機構：雙針頭供料系統，可以連續自行調節期流率、流量，任意時間點的供料起始與停止；第二部份為透過影像處理技術來監測塗佈頭與玻璃基板間的間距，經由電腦運算回授給馬達控制端，達到即時的流率控制，使塗佈液出口不產生破損與缺陷，並能產生寬且一致的塗佈。

摘要(英)

With the change of science and technology, the level of our computer is getting higher, it make computer not only beneficial for our life, but also be an essential role in nowadays industry. The industrial mechanical vision is used much extensively, such as visional inspection, image tracking, accurate orientation…etc. These all can be processed by computer. Slit coating is an important segment during the TFT-LCD production, its high efficiency and low consumption impel all of LCD-Panel industry to adopt the way of coating to achieve best coating and cost down.
This thesis is based on Visual C++, to solve the problem of slit coating on the wide glass. An adjustable system which included two parts was designed. In first part mechanism was designed for conditions of coatings. This mechanism could tune its flow and flow rate continuously. It could start or stop supplying in any time. Second part was monitoring the gap between the coating die and the glass of boron silicate by image processing co-operating with a supply system. The system can produce a feedback signal to the controller of the motor after processed by the computer. The target is to reach the on-line control of flow rate and to make liquid uniformly flow through the outlet.

關鍵字(中)

★ 塗佈
★ 流率控制
★ 影像處理

關鍵字(英)

★ flow control
★ image processing
★ TFT-LCD
★ coating

論文目次

目錄
第一章導論.................1
1.1 簡介......................1
1.2 狹縫式塗佈的優勢..........3
1.2 彩色濾光片...............5
第二章影像處理..............8
2.1 簡介......................8
2.2 門檻值的選取..............9
2.3 尋邊......................12
2.4 細線化....................14
第三章硬體架構與機構設計.....17
3.1 實驗系統的硬體架構........17
3.2 雙針頭供料系統............19
3.3 電路硬體架構..............22
3.3.1 電磁閥端電路............22
3.3.2 觸發電路................23
3.3.3 馬達驅動端端電路........23
3.4 狹縫式塗佈機台............23
3.5 影像擷取卡................25
3.6 PCL-818H卡................26
第四章實驗結果與討論.........27
4.1 硬體成果..................27
4.1.1 雙針頭系統成果..........27
4.1.2 CCD懸吊機構成果.........29
4.1.3 電路成果................30
4.2 軟體成果..................30
4.2.1 人機介面................30
4.2.2 影像處理成果............31
4.3 初步塗佈參數分析..........36
4.4 實驗結果..................38
4.4.1 實驗流程圖..............38
4.4.2 開迴路的灰階值分析......40
4.4.3 閉迴路的塗佈分析........42
4.4.4 閉迴路、塗佈機台加速後的塗佈分析......44
第五章結論與未來展望.........47
參考文獻......................48

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指導教授

董必正(Pi-Cheng Tung)

審核日期

2006-7-11

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