臺灣博碩士論文加值系統

近年來，平面顯示器產業技術(LCD、OLED、PDP、FED等)已趨成熟，很多公司及研究單位紛紛投入下一世代顯示器的開發。彩色濾光片是液晶顯示器的關鍵零組件，目前彩色濾光片以旋轉塗佈加上刮刀式方法製程為主流，但旋轉塗佈在材料成本考量上還是過於浪費，且製程步驟繁複、重複。另外，旋轉塗佈法對於下一世代的面板(超大型基板)製程難度越來越高。
利用噴墨列印技術，可以精確地列印出所需要的圖形，並且可以以最少材料及最環保製程來製作顯示器的彩色濾光片。
因此，本論文根據噴墨墨水(如photo spacer)特性，對於ITO玻璃基板做製程上的表面處理，墨滴(photo spacer)在ITO玻璃上的附著力是一項重要的指標，接觸角改善是一項重要依據，需使墨滴黑色矩陣牆上保持疏水性，又要與ITO表面呈現親水性，本論文共使用兩種方法於製程上，作為參考。並討論其表面特性的改變以及其他效應的產生，進一步說明此二種方法在實際噴塗的應用性。
本論文並使用顯示科技的噴墨列印系統，實際進行噴塗，完成利用噴墨式印刷設備，來測試傳統製程生產製造中所使用的彩色濾光片材料，所能做的的最佳條件，開發新的製程技術。

In recent years, flat panel display (LCD, OLED, PDP, FED, etc.) is very popular. The many companies and research center is planning to develop the next generation technology of display. Especially, color filter is the important components in LCD’s supply chain. They always use the spin and slit coating technology to approach this process currently. But the spin and slit coating always wasted much material(~98%), clean process is highly requirement to environment in the future. In addition, traditional method is difficult to cover resist on the large substrate smoothly.
Using ink-jet printing technology, we just print out ink to the required area of color filter. So compare to traditional technology, the material will save much a lot. It will be an excellent process, and friendly to environment.
The paper is used ink of photo spacer printing on the ITO substrate. By contact angle measurement, we study the interface effect of spacer material and substrate. According to the results, we improve the substrate surface character by different chemical treatment. The wall and area of color filter is necessary with difference surface character. We split many of condition to find the relationship of hydrophilic between the material and substrate and hydrophobic between wall and substrate. It is the best condition to print ink on ITO substrate. And also we obtain important parameter for ink-jet equipment by variation of frequency, voltage and ink head size, respectively.
In conclusion, the new display technology by inkjet printing system is feasible in the future. Many of company have pay much attention to develop ink-jet process. We believe the mass production equipment will be appeared on next generation LCD fab.

摘要 II
Abstract III
致謝 V
目錄 VI
表目錄 VIII
圖目錄 IX
第一章 緒論 1
1.1 研究背景 1
1.2 研究動機與目的 1
第二章 介紹 2
2.1 液晶介紹 2
2.1.1 平面顯示器的應用 3
2.1.2 面板TFT-LCD製程介紹 3
2.2 傳統彩色濾光片製程 5
2.2.1 顯示器面板製程方式 5
2.2.2 彩色濾光片製程 6
2.3 噴墨技術製程方式 7
2.4 噴墨技術優點 8
第三章 噴墨印刷技術之研究 9
3.1 噴墨印刷技術簡介 9
3.1.1 噴墨印刷種類 10
3.1.2 噴墨印刷技術 10
3.1.3 噴墨印刷技術研發 11
3.2 噴墨印刷技術與傳統製程之比較 13
3.3 噴墨印刷設備介紹 15
3.3.1 噴墨印刷夾規格 16
3.3.2 噴墨材料 19
第四章 實驗 20
4.1 ITO玻璃基板處理 20
4.1.1 ITO玻璃基板處理步驟 21
4.1.2 接觸角量測 24
4.1.3 ITO玻璃基板表面接觸角量測 25
4.1.4 ITO玻璃基板表面處理分析 33
第五章 改善 34
5.1 噴墨製程 34
5.1.1 印刷圖案設計 38
5.1.2 實際操作 40
5.1.3 實驗改善 43
第六章 結論 48
參考資料 49

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