摻雜奈米銀粒子以提升可撓式基板導熱係數之研究

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姓名

游朝廷(Chao-Ting Yu) 查詢紙本館藏

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光機電工程研究所

論文名稱

摻雜奈米銀粒子以提升可撓式基板導熱係數之研究

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摘要(中)

毫發光二極體(mini light-emitting diodes, mini-LEDs)及微發光二極體(micro light-emitting diodes, micro-LEDs)是現今最具發展潛力的顯示元件，然而不論是作為背光源或是顯示器本身，都存在越來越高的熱管理需求。本研究提出一改良式軟性基板，供可撓式mini-LED及micro-LED使用，以提升其散熱能力，進而延長元件之壽命。本研究實際製備該改良式軟性基板，並以熱傳導係數儀、導熱係數實驗，以及熱模擬模型佐證其導熱係數上升之趨勢；且以X射線螢光光譜儀檢測添加物之實際含量，以確認基板之導熱係數與添加物含量之關係；又以可見光光譜儀量測基板之可見光穿透頻譜，分析其作為發光元件基板的潛力與挑戰。

摘要(英)

Mini light-emitting diodes (mini-LEDs) and micro light-emitting diodes (micro-LEDs) are the most promising display components nowadays. Whether it is the backlight unit or the display itself, there is an increasing demand for thermal management. In this study, an improved flexible substrate is proposed as a substrate of the flexible mini-LED or the micro-LED to improve the heat dissipation capability and prolong the life of the device. The improved flexible substrate has been fabricated. The thermal conductivity analyzer, thermal conductivity experiment, and thermal simulation model were used to verify the thermal conductivity. Additionally, X-ray fluorescence spectrometer was used to verify the actual content of the filler and then to confirm the relationship between thermal conductivity of the substrate and its filler content. The visible spectrophotometer was used to measure the transmittance spectrum of the substrate for analyzing its potential and characteristics.

關鍵字(中)

★ 毫發光二極體
★ 微發光二極體
★ 軟性基板
★ 熱傳導係數
★ 散熱
★ 奈米銀

關鍵字(英)

★ mini-LED
★ micro-LED
★ flexible substrate
★ thermal conductivity
★ heat dissipation
★ nanosilver

論文目次

摘要 i
Abstract ii
致謝 iii
目錄 vi
圖目錄 viii
表目錄 x
第一章、緒論 1
1-1 研究背景 1
1-2 可撓式基板提升導熱係數之發展 3
1-3 研究目的 5
1-4 研究之貢獻 5
1-5 論文架構 6
第二章、基礎理論與原理 7
2-1 發光二極體之發熱原理 7
2-2 熱量傳遞原理 10
2-3 固體熱傳導原理 14
第三章、基板製備與量測方法 16
3-1 改良式PI基板之材料與製備流程 16
3-2 基板銀元素占比量測 21
3-3 導熱係數量測 23
3-3-1 熱傳導係數儀(Thermal Conductivity Analyzer) 23
3-3-2 PI基板表面溫度量測實驗 27
第四章、模擬架構與方法 30
4-1 水泥電阻熱模擬模型 31
4-2 水泥電阻加熱PI基板之熱模擬模型 39
4-3 小結 41
第五章、結果與討論 42
5-1 銀元素含量量測結果 42
5-2 水泥電阻溫度熱特性之模擬與實驗 43
5-3 導熱係數量測結果 49
5-4 小結 50
第六章、結論與未來展望 51
6-1 結論 51
6-2 未來展望 51
參考文獻 53
附錄 56
可見光穿透率量測 56
可見光穿透率量測結果 59

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指導教授

韋安琪(An-Chi Wei)

審核日期

2022-9-29

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