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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林晃巖(Hoang-Yan Lin) | |
| dc.contributor.author | Sheng-Chih Hsu | en |
| dc.contributor.author | 許聖志 | zh_TW |
| dc.date.accessioned | 2021-06-13T03:22:49Z | - |
| dc.date.available | 2007-07-31 | |
| dc.date.copyright | 2006-07-31 | |
| dc.date.issued | 2006 | |
| dc.date.submitted | 2006-07-28 | |
| dc.identifier.citation | References
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Peng, M. Wong, and H. S. Kwok “ Highly Efficient Stacked OLED Employing New Anode-Cathode Layer,” SID 05 Digest, 797 (2005) [8] Jan Brinstock, Michael Hofmann, Sven Murano, Martin Vehse, and Jan Blochwitz-Nimoth “Novel OLEDs for Color Display with Highest Power Efficiencies and Long Lifetime,” SID 05 Digest, 40 (2005). [9] K. R. Sarma, C. Chanley, S. Dodd, J. Roush, J.Schmidt, G.Srdananov, M.Stevenson, R. Wessel, J. Innocenzo, G. Yu, M. O’Regan, W. A. MacDonald, R. Eveson, K. Long, H.Gleskova, S. Wangner, J. C. Sturm “Active Matrix OLED Using 150°C a-Si TFT Backplane Built on Flexible Plastic Substrate,” SPIE Proc. Vol. 5080, paper 24 (2003) [10] M. Mizukami, N. Hirohata, T. Iseki, K. Ohtawara, T. Tada, S. Yagyu, T. Abe, T. Suzuki, Y, Fujisaki, Y. Inoue, S. Tokito, and T. Kurita ”Flxible Am OLED Panel Driven by Bottom-Contact OTFTs,” IEEE Electron Device Letters 27, 249 (2006). [11] Chihaya Adachi, Marc A. Baldo, Mark E. Thompson, and Stephen R. 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Strum “Improvement of output coupling efficiency of organic light-emitting diodes by backside substrate modification,” Appl. Phys. Lett. 76, 1650 (2000). [22] H. J. Peng, Y. L. Ho, X.J. Yu, and H. S. Kwok “Enhanced coupling of light from organic light emitting diodes using nanoporous films” J. Appl. Phys. 96, 1649 (2004). [23] C. Caneau, T. J. Gmitter, and A. Scherer “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63, 2174 (1993) [24] M.-H. Lu and J. C Sturm “External coupling efficiency in planar organic light-emitting devices” Appl. Phys. Lett. 78, 1927 (2001). [25] M.-H. Lu and J. C. Strum “Optimization of external coupling and light emission in organic light-emitting device: model and experiment,” J. Appl. Phys. 91, 595 (2002). [26] Tetsuo Tsutsui, Masayuki Yahiro, Hiroshi Yokogawa, Kenji Kawano, and Masaru Yokoyama “Doubling Coupling-Out Efficiency in Organic Light-Emitting Device Using a Thin Silica Aerogel Layer,” Adv. Mater. 13, 1149 (2001) [27] Kuan-Yu Chen “ Study on Optical Characteristics of Organic Light Emitting Devices,” Thesis of Graduate Institute of Electro-Optical Engineering and Department of Electrical Engineering, National Taiwan University, (2006). [28] Huajun Peng, Yeuk Lung Ho, Xing-Jie Yu, Man Wong, Hoi-Sing Kwok “Coupling Efficiency Enhancement in Organic Light-Emitting Devices Using Microlens Array－Theory and Experiment,” J. Disp. Tech. 1, 2 (2005). | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/31870 | - |
| dc.description.abstract | 在顯示器產業中，有機發光元件是最具潛力的顯示技術之ㄧ。但低落的外部量子效率仍是該顯示技術有待改善的課題。藉著在有機發光元件的玻璃基板外加微結構陣列的方式，已經被證實可以大幅提升其出光效率。在本文中，我們使用光學模擬的方式致力於研究不同的微結構，進而發現一些關於微結構設計的重要特性，並藉由調變微結構的方式來達到最佳的光學效果。
當應用於顯示器層面時，影像會因為微結構的貼附而變得明顯地模糊。因此除了輝度提升量及出光增強量的考量外，我們必須兼顧影像品質的維持。在對畫素定義了模糊寬度後，我們試著找出調變微結構參數的規則，並且做出詳盡的分析。 為了有效地解決上述影像模糊的問題，我們提出了缺陷微結構陣列的概念，可大幅度地降低影像模糊的現象，並且對於輝度及出光量亦具有相當程度的提升，而後針對畫素大小和缺陷範圍的相關性做進一步的討論。文末亦提出使用微圓柱透鏡陣列的想法，且證實特定的排列方式以降低模糊容忍度低方向的影像模糊是可行的。 | zh_TW |
| dc.description.abstract | In this thesis, we demonstrated the simulation results of optical performance of organic light-emitting devices (OLED) by different kind of microstructure attachment. The simulations include the intensity, luminance efficiency, power efficiency, blurred image, and blur-width of the device which is attached by different microstructures. For lighting applications, we focus on light extraction efficiency and intensity distribution. For display applications, we pay attention to blurred image and blur-width. We also take the power and luminance enhancement into consideration. Finally, we bring up an innovation about specific arrangement of microstructure array on OLED display. We conclude the design rule for some parameters such as size, area ratio, height ratio, and arrangement of microlens array. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T03:22:49Z (GMT). No. of bitstreams: 1 ntu-95-R93941069-1.pdf: 4305893 bytes, checksum: 36dc7ccca24ed351d2494315bfd34a36 (MD5) Previous issue date: 2006 | en |
| dc.description.tableofcontents | Contents
Chapter 1 Introduction 1 1.1 Organic Light Emitting Device 1 1.2 External Quantum Efficiency (EQE) 4 1.3 Microlens Array 6 1.4 Motivation 6 1.5 Thesis Organization 7 Chapter 2 Model and Simulation Results for Lighting Applications 9 2.1 Simulation Model 10 2.2 Verify the Validity of Model 12 2.3 Microlens Array Attached to OLED 16 2.3.1 Area Ratio 17 2.3.2 Height Ratio 23 Chapter 3 Model and Simulation Results for Display Applications 29 3.1 OLED for Display Applications 29 3.2 Simulation Model 31 3.3 Optical Performance for Some Parameters 35 3.3.1 Area Ratio 35 3.3.2 Height Ratio 39 3.3.3 Size of Microlens 43 Chapter 4 Innovative Design 47 4.1 Configuration of Optical Simulation 50 4.2 Important Characteristics for Defects Design 52 4.3 Performance of OLED Attached with Microcylinder Array 65 Chapter 5 Conclusion and Future Work 69 References 72 | |
| dc.language.iso | en | |
| dc.subject | 有激發光元件 | zh_TW |
| dc.subject | 外部量子效率 | zh_TW |
| dc.subject | 光效率 | zh_TW |
| dc.subject | 影像模糊 | zh_TW |
| dc.subject | 微結構 | zh_TW |
| dc.subject | light efficiency | en |
| dc.subject | microstructure | en |
| dc.subject | blur | en |
| dc.subject | EQE | en |
| dc.subject | OLED | en |
| dc.title | 利用微結構方式改善有機發光元件的光效率及影像模糊問題 | zh_TW |
| dc.title | Blur Effect and Light Efficiency Enhancement of Organic Light-Emitting Devices by Using Microstructure Attachment | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 94-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 李君浩(Jiun-Haw Lee),魏茂國(Mao-Kuo Wei),趙清煙(Ching-yanChao) | |
| dc.subject.keyword | 有激發光元件,微結構,光效率,外部量子效率,影像模糊, | zh_TW |
| dc.subject.keyword | OLED,microstructure,blur,EQE,light efficiency, | en |
| dc.relation.page | 77 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2006-07-30 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 光電工程學研究所 | zh_TW |
| 顯示於系所單位： | 光電工程學研究所 | |
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|---|---|---|---|
| ntu-95-1.pdf 未授權公開取用 | 4.2 MB | Adobe PDF |
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