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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77848完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 范士岡(Shih-Kang Fan) | |
| dc.contributor.author | Jing-Jhe Gao | en |
| dc.contributor.author | 高敬哲 | zh_TW |
| dc.date.accessioned | 2021-07-11T14:35:58Z | - |
| dc.date.available | 2022-09-13 | |
| dc.date.copyright | 2017-09-13 | |
| dc.date.issued | 2017 | |
| dc.date.submitted | 2017-08-18 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77848 | - |
| dc.description.abstract | 本實驗整合微流體、粒子極化與介電泳等技術，透過在微流道中建立具乳化液滴結構的顯示元件，達到反射式顯示介質之功能。反射式顯示器具有不需要背光模組的優勢，不僅可節能省電，更可避免使用者們長時間觀看下的不適感。以往這些顯示器在像素結構的建立、液體封裝及填充，都是透過微機電製程的技術來完成。本實驗透過微流道乳化技術，將這些相關的製程簡化並實現在一片微流體晶片上。實驗內容以建立單層的乳化液滴陣列為核心，液滴組成為水溶液包覆均勻分散二氧化鈦粒子(Titanium dioxide)或聚苯乙烯球(Polystyrene，PS)，而環境的液體為熱固化的聚二甲基矽氧烷(Polydimethylsiloxane，PDMS)及光固化的油MD700、NOA 74，當液滴緊密的在微流道中堆疊出陣列結構，再透過環境液體的固化，可以得到整個顯示介質的封裝。實驗中可透過開板的方式取出封裝好的薄膜顯示介質，在置於平行板晶片中操控，或者直接於流道中整合電極晶片進行操控，施以電壓40 V及頻率1 MHz之交流電訊號控制微奈米粒子。首先粒子受電場影響極化成串，接著受介電泳力而聚集於球體邊緣，達到介電泳顯示器的作用，並在移除電壓後分散回來，達到3秒的反應時間，以及對比度5:1的顯示效果，驗證了以微流體液滴系統實現介電泳顯示器之功能。 | zh_TW |
| dc.description.abstract | We developed a particle-based reflective display medium fabricated with microfluidic emulsion technique and driven with dielectrophoresis (DEP) and particle polarization. Without backlight, the reflective displays are power saving and offer comfortable viewing experience for a long time. However, the fabrication of particle- or liquid-based reflective displays require several critical and complicated processes including liquid filling and packaging without leakage. In this thesis, the fabrication processes were simplified and implemented on a microfluidic chip through the microfluidic emulsion technique. The emulsion droplet array in this study consisted of dispersed droplets with suspended titanium dioxide or polystyrene particles. The droplets were surrounded in a continuous phase of thermally crosslinkable polydimethylsiloxane (PDMS) or photo crosslinkable MD700 or NOA74. The encapsulation of the display medium was obtained after crosslinking the continuous phase after the formation of the droplet emulsion array. We then opened the microfluidic device to retrieve the crosslinked thin film display medium. The display medium was consequently placed between parallel plates containing electrodes for driving with an appropriation electric signal. The particles were polarized to form particle chains and moved by DEP to the sides of the droplets where the electric field was weak. With the 40 V and 1 MHz AC electric signal, the response time was 3 s to achieve a contrast of 5:1. | en |
| dc.description.provenance | Made available in DSpace on 2021-07-11T14:35:58Z (GMT). No. of bitstreams: 1 ntu-106-R04522314-1.pdf: 9150682 bytes, checksum: 90a2c28daa7b2d838c65ed270f4f74e7 (MD5) Previous issue date: 2017 | en |
| dc.description.tableofcontents | 目錄
致謝 I 中文摘要 II ABSTRACT III 目錄 IV 第一章 緒論 1 1-1 前言 1 1-2 光流體反射式顯示器 2 1-2.1. 流體與流體: 電濕潤顯示器 2 1-2.2. 流體與粒子: 電泳顯示器 8 1-3 微流體系統 13 1-3.1 介電濕潤 13 1-3.2 介電泳 15 1-3.3 粒子極化 16 1-3.4 乳化液滴 20 1-4 研究目的與動機 27 第二章 理論介紹 28 2-1 乳化液滴原理 28 2-1.1 穩定性與界面活性劑 29 2-2 微流道系統原理 31 4-1.1 流道幾何與表面性質 31 4-1.2 乳化液滴與毛細數 36 2-3 粒子介電泳與極化關係 37 第三章 實驗架構與製程 40 3-1 介電泳顯示器材料 40 3-1.1 界面活性劑 41 3-2.1 單層乳化液滴組成 42 3-2.1 微奈米粒子材料處理 45 3-2 實驗設計與架構 47 3-3.1介電泳顯示器結構 47 3-3.3 微流道操控系統架設 52 3-3.4 電極晶片操控系統架設 56 3-3 整合式微流體晶片製程 58 3-3.1 微流道製程 58 3-3.2 電極晶片製程 61 第四章 實驗結論與探討 64 4-1. 實現介電泳顯示器 64 4-1.1 第一組材料 64 4-1.2 第二組材料 68 4-1.3 第三組材料 77 4-2. 介電泳顯示器結果比較 91 第五章 實驗結論與探討 95 5-1. 結論 95 5-2. 未來展望 96 參考文獻 97 附錄 103 實驗藥品與設備規格 103 實驗藥品 103 實驗設備 103 | |
| dc.language.iso | zh-TW | |
| dc.title | 反射式顯示介質：分散於固化相之乳化液滴內粒子驅動 | zh_TW |
| dc.title | Reflective display medium: particle actuation in emulsion droplets dispersed in a crosslinked phase | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 105-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 葛煥彰(Huan-Jang Keh),張天立(Tien-Li Chang),林耿慧(Keng-Hui Lin) | |
| dc.subject.keyword | 光流體,反射式顯示器,介電泳,粒子極化, | zh_TW |
| dc.subject.keyword | optofluidics,reflective display,dielectrophoresis,particle polarization, | en |
| dc.relation.page | 103 | |
| dc.identifier.doi | 10.6342/NTU201703983 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2017-08-19 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
| 顯示於系所單位： | 機械工程學系 | |
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