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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/18867完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 范士岡 | |
| dc.contributor.author | Meng-Tsung Chang | en |
| dc.contributor.author | 章孟琮 | zh_TW |
| dc.date.accessioned | 2021-06-08T01:38:05Z | - |
| dc.date.copyright | 2017-02-08 | |
| dc.date.issued | 2016 | |
| dc.date.submitted | 2016-10-28 | |
| dc.identifier.citation | [1] Lippmann, G. (1875). Relations entre les phénomènes électriques et capillaires (Doctoral dissertation, Gauthier-Villars).
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/18867 | - |
| dc.description.abstract | 本實驗結合微流道(Microchannel)與介電濕潤(Electrowetting on dielectric，EWOD)兩種微流體技術建立顯示結構，並驗證其介電濕潤顯示之功能。目前的電濕潤顯示器以微機電製程建立像素結構，再進行液體的封填，本實驗目標為透過微流道技術將可使像素結構的建立與液體封填在一片微流體晶片中即可達成。策略為以微流道產生雙層乳化液滴陣列作為像素陣列，再以介電濕潤控制核心液滴的形狀，藉以達到顯示之功效。 我們以三種可固化液體作為乳化液滴結構之連續相(環境)，分別為UV光固化之MD 700、PEGDA水溶液與熱固化之PDMS。以水溶液、油性液體作為分散相(液滴)，搭配界面活性劑或長鏈高黏性液體分子特性使乳化液滴穩定堆疊，以形成陣列。 研究中先以單層乳化液滴陣列作為初步材料性質測試，再進行雙層乳化液滴陣列的實驗。 單層乳化液滴陣列實驗中建立了MD 700包覆水、PDMS包覆甘油水溶液、PDMS包覆Novec 7500與PEGDA水溶液包覆矽油，一共四種陣列結構，並以此結果進一步建立雙層乳化液滴陣列，其中以PEGDA水溶液為連續相，矽油為外層液滴，Novec 7500作為內層液滴形成之陣列結構排列最規則，並有良好的尺寸一致性。 將此陣列結構(單一乳化液滴直徑200 μm，高度150 μm)置於介電濕潤結構中，施以160 V，100 kHz 之交流電訊號可成功使核心液滴因介電濕潤而自球狀攤平，並在移除電壓後回復至初始狀態，驗證了以微流道結合介電濕潤達成顯示之功能。 | zh_TW |
| dc.description.abstract | We combined formation of double emulsions in microchannel and deformation of the inner droplet with electrowetting-on-dielectric (EWOD) to demonstrate an electrowetting display (EWD) avoiding sophisticated fabrication with the photolithography process and ink injection that current EWD faces. We used microfluidic emulsion to form the pixels and to pack the double emulsions in a single microfluidic chip with microchannels. The strategy was producing a double emulsion array with microchannels and controlling the shapes of the inner droplets by EWOD to achieve the display functionalities. Three curable liquids were adopted and investigated as the continuous phase of the double emulsion: UV curable MD 700, PEGDA, and thermally curable PDMS. The dispersed phases contained inner and outer droplets of immiscible fluids. The emulsions were stabilized by surfactants or the viscosity of the continuous phase composed of long-chain molecules. We first studied the creation of single emulsion arrays with four different combinations: water in MD 700, glycerin in PDMS, Novec 7500 in PDMS, and silicone oil in PEGDA. We further examined and succeeded to form double emulsion arrays that were uniformly and regularly arranged using PEGDA , silicone oil, and Novec 7500 as the continuous phase, outer droplet, and inner droplet, respectively. The emulsion array composed of outer droplets with diameter of 200 μm and height of 150 μm was actuated with EWOD by applying a 160 Vpp and 100 kHz AC signal. The inner droplets spread as voltage applied and recovered as voltage removed which demonstrated the function of a double emulsion electrowetting display. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-08T01:38:05Z (GMT). No. of bitstreams: 1 ntu-105-R03522111-1.pdf: 6590315 bytes, checksum: 597ea5c89be7b4aad786663e580e9c9d (MD5) Previous issue date: 2016 | en |
| dc.description.tableofcontents | 致謝 I
中文摘要 II ABSTRACT III 圖目錄 VI 第一章 緒論 1 1-1 前言 1 1-2 微流體系統 2 1-2.1. 介電濕潤 2 1-2.2. 微流道 4 1-3 光流體系統 8 1-3.1 光學鏡與光圈 8 1-3.2 電子紙 14 1-4 研究目的 18 第二章 理論介紹 19 2-1 乳化液滴原理 19 2-1.1 乳化液滴的穩定性 20 2-1.2 介面活性劑 24 2-2 微流道原理 27 2-2.1 流道親疏水性 27 2-2.2 流道幾何設計 29 2-2.3 乳化液滴切分機制與毛細管數(capillary number, Ca) 37 2-3 介電濕潤理論 39 第三章 實驗架構、設備與製程 41 3-1 實驗藥品 41 3-1.1 乳化液滴系統液體 41 3-1.2 界面活性劑 43 3-1.3 染劑 46 3-2 實驗設計與架構 46 3-2.1 微流道系統 49 3-3 晶片製程 51 3-3.1 微流道製程 51 第四章 實驗結果與探討 56 4-1. 運用微流道產生乳化液滴 56 4-1.1 單層乳化液滴 56 4-1.2 雙層乳化液滴 61 4-2. 雙層乳化液滴陣列的介電濕潤現象 80 第五章 結論與未來展望 85 參考文獻 87 附錄 91 實驗藥品與設備規格 91 實驗藥品 91 實驗設備 91 | |
| dc.language.iso | zh-TW | |
| dc.title | 以固化之雙層乳化液滴陣列實現介電濕潤顯示 | zh_TW |
| dc.title | Electrowetting display with a curable double emulsion array | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 105-1 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 陳賢燁,陳國慶 | |
| dc.subject.keyword | 光流體,顯示器,乳化液滴,陣列結構,電濕潤, | zh_TW |
| dc.subject.keyword | optofluidics,display,emulsion,array structure,electrowetting, | en |
| dc.relation.page | 91 | |
| dc.identifier.doi | 10.6342/NTU201603699 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2016-10-29 | |
| 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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