臺灣博碩士論文加值系統

有機發光二極體(OLED)近年來蓬勃發展，在面板顯示與照明應用領域逐漸被重用，其相關研究也隨之備受關注。OLED是個結合許多領域的科技產品，因此，在元件製造之前若能有效的模擬其效能，對元件製作的整體規劃必定能有更多的分析以降低製程成本。而藉由輸入真實材料特性於模擬模型，以及以實驗量測元件效能，將可修正模型參數並驗證模型，使模擬系統準確度更高。
本論文目的為建立一套適用於OLED元件光熱電整合的模擬，並藉由實驗量測元件以驗證此套模擬是準確可行的；在此處使用COMSOL軟體先建構一套OLED三維的光模型，藉由設定幾何尺寸、各層材料折射率以及邊界條件，模擬OLED元件的出光效能，再結合本實驗室已建置之熱電模擬技術，藉由電功率能量轉換的比例分配，來達到光熱電模擬整合的目的。為了驗證此光熱電模擬系統，本研究利用相關光學儀器量測實際元件的出光效能，與光模擬之結果做比對，並修正模型參數，更利用熱影像儀，實際量測元件的熱分布，與熱模擬之結果做比較。最後，將此兩部分結果分析比較，探討元件電功率的能量轉換比例，以確定模擬模型之準確度。

With the development of solid state lighting in recent years, OLED has gradually been prevalent in display and lighting applications. If the performance of an OLED device can be simulated before the fabrication, it will be helpful for planning the manufacture and reducing the costs. By importing the given characteristics of the materials into the simulation, we can analyze the OLEDs through the simulated and experimental results and prove the accuracy of the simulation model.
In this study, we built a three dimensional photo-electro-thermal simulation model by the software, COMSOL Multiphysics. First, we constructed the optical model and assigned the related parameters. After receiving the simulated out-lighting results, we combined the optical model and the pre-built electro-thermal model by the ratio of energy. This combined model can simulate not only the luminous performance but also the temperature distribution of the element. In order to verify the simulation model, we measured the luminous performance and temperature distribution by using instruments, such as the integrating sphere, the lux meter and the thermal camera. Finally, we compared the simulated and experimental results to prove the accuracy of the simulation model and discussed the energy ratios in the optical and electro-thermal models according to the energy conversion theory.

目錄
摘要 I
Abstract II
致謝 III
目錄 IV
圖目錄 VI
表目錄 X
第一章、緒論 1
1-1 研究背景 1
1-2 文獻探討 5
1-3 研究動機 14
1-4 論文架構 15
第二章、基礎理論與原理 16
2-1 有機發光二極體發光原理 16
2-2 幾何光學 18
2-2-1 折射定律和反射定律 18
2-2-2 全反射和臨界角 20
2-3 菲涅爾損失 21
2-4 照度與發光強度 23
2-5 有機發光二極體發熱原理 25
2-6 固體熱傳導理論 27
2-7 光熱電模擬耦合理論 28
2-8 小結 31
第三章、模擬設計與架構 32
3-1 OLED光模擬方法與結果 32
3-1-1 光模擬流程 32
3-1-2 COMSOL光模擬結構與模擬結果 34
3-1-3 LightTools光模擬結構與模擬結果 45
3-1-4 COMSOL與LightTools模擬結果比較 57
3-2 OLED電、熱耦合模擬方法與結果 60
3-2-1 熱模擬流程 60
3-2-2 熱模擬結構與熱分布 61
3-3 OLED光熱電模擬耦合方法 65
3-4 小結 69
第四章、量測系統與實驗方法 70
4-1 I-V Curve量測 71
4-2 出光效能量測 72
4-3 熱分布量測 74
4-4 光照度與配光曲線量測 77
4-4-1 照度計量測配光曲線 77
4-4-2 配光曲線儀 79
4-5 小結 81
第五章、實驗結果與模擬修正 82
5-1 I-V Curve量測結果 82
5-2 光模擬修正與實驗結果 84
5-2-1電光轉換率 84
5-2-2 光照度分布與配光曲線 87
5-3 熱模擬修正與實驗結果 94
5-4 小結 98
第六章、結論與未來展望 99
6-1 結論 99
6-2 未來展望 100
參考文獻 102

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