Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/7506
標題: 主動式有機發光二極體畫素與驅動電路之設計
Design of Pixel and Driving Circuits for Active Matrix Organic Light Emitting Diode
作者: 林恆正
Lin, Heng-Cheng
關鍵字: AMOLED;主動式有機發光二極體;Pixel;Driving Circuit;畫素;驅動電路
出版社: 電機工程學系所
引用: [1.1] 陳俊宏, 新世代顯示器OLED(有機電激發光體), 生活科技教育月刊, 2004年37卷第3期. [1.2] http://www.dvhot.com.tw/DIGITAL/Classroom/MROH-CLASS/oh63/index-oh63.htm. [1.3] 撰文/霍德(Ian Hodder) 翻譯/張明哲, 捲起來帶著走的顯示器, 科學人雜誌, 2004年3月. [1.4] 顧鴻壽, 光電液晶平面顯示器, 新文京開發出版, 第九章, 2004年. [1.5] 資策會MIC, 200年8月. [1.6] Akiyoshi Mikami, “High-Efficiency Color and White-Light-Emitting Polymer Devices with High-Index-of-Refraction Flexible Plastic Substrate”, SID 04 DIGEST. [1.7] 電子時報ITIS, 2003年. [1.8] 工研院IEK, 2006年12月. [1.9] Digitimes Research, 2007年1月. [1.10] Digitimes News, 2007年6月. [2.1] T.A.Ali, A. P. Ghosh and W. E. Howard, ”HIGH EFFICIENCY WHITE ORGANIC LIGHT EMITTING DEVICES”, SID, 1999. [2.2] 顧鴻壽, 光電液晶平面顯示器, 新文京開發出版, 第九章, 2004年. [2.3] 友達光電公司網頁, http://www.auo.com/auoDEV/technology.php?sec=LTPS&ls=tc. [2.4] 陳志強, LTPS低溫複晶矽顯示器技術, 第二章, 全華科技圖書出版, 2004年. [2.5] Arokia Nathan, G. Reza Chaji and Shahin J. Ashtiani, “Driving Schemes for a-Si and LTPS AMOLED Displays”, IEEE Journal of Display Technology, 2005. [2.6] Mayumi Mizukami, Kazutaka Inukai, Hirokazu Yamagata, Toshimitsu Konuma, Takeshi Nishi, Jun Koyama, Shumpei Yamazaki, “6-Bit Digital VGA OLED”, SID DIGEST, 2000, pp.912-915. [2.7] Hiroshi Kageyama, Hajime Akimoto, Yoshiteru Shimizu, Takayuki Ouchi, Naruhiko Kasai, Hiroki Awakura, Naoki Tokuda, Kenta Kajiyama, and Toshihiro Sato, “A 2.5-inch OLED Display with a Three-TFT Pixel Circuit for Clamped Inverter Driving”, SID DIGEST, 2004, pp.1394-1397. [3.1] R.M.A. Dawson, Z. Shen, D.A. Furst, S. Connor, J. Hsu, M.G. Kane, R.G. Stewart, A. Ipri ,C.N.King, P.J. Green, R.T. Flegal, S. Pearson, W.A. Barrow, E. Dickey, K. Ping, S. Robinson. ,C.W. Tang, S. Van Slyke, F. Chen, J. Shi M.H. Lu,J.C. Sturm, “The Impact of the Transient Response of Organic Light Emitting Diodes on the Design of Active Matrix OLED Displays”, IEDM, 1998, pp.875-878. [3.2] Yi He, Reiji Hattori, and Jerzy Kanicki, “Improved A-Si:H TFT Pixel Electrode Circuits for Active-Matrix Organic Light Emitting Displays”, IEEE Transactions on Electron Devices, 2001, pp.1322-1325. [3.3] T. Sasaoka, M. Sekiya, A. Yumoto, J. Yamada, T. Hirano, Y.Iwase, T.Yamada, T. Ishibashi, T. Mori, M. Asano, S.Tamura, and T. Urabe, “A 13.0-inch AM-OLED Display with Top Emitting Structure and Adaptive Current Mode Programmed Pixel Circuit (TAC)”, SID, 2001, pp.384-387. [3.4] Yen Chung Lin, Han Ping David Shieh, “A Novel Current Memory Circuit for AMOLEDs”, IEEE Transactions on Electron Devices, 2004, pp.1037-1040. [3.5] James L. Sanford, Frank R. Libsch, “TFT AMOLED Pixel Circuits and Driving Methods”, SID DIGEST, 2003, pp.10-13. [4.1] Phillip E. Allen and Douglas R. Holberg, “CMOS Analog Circuit Design”, Second Edition, 2002, Oxford. [4.2] Jing Sun, Chin Yeong Koh and Hsin Hsiung Wang, “A Low Voltage CMOS Current Source With Temperature Component”, IEEE SSMSD 2003, pp.108-110. [4.3] Cheng Jun, and Chen Guican, “A CMOS Bandgap Reference Circuit”, Proceedings of The 4th International Conference on ASIC, pp.271-273, Oct. 2001. [4.4] Ka Nang Leung, Philip K. T.A Mok, and Chi Yat Leung, “A 2-V 23-uA 5.3-ppm/℃ Curvature-Compensated CMOS Bandgap Voltage Reference”, IEEE Journal of Solid-State Circuits, vol. 38, pp.561-564, March 2003. [4.5] Agilent Technologies, “4156C User’s Guide”. [4.6] BSIM Pro Plus 使用手冊 [5.1] Jung-Chun Tseng, Wein-Town Sun, Chien-Chih Chen, Shin-Hung Yeh, Hui-Ya Hung, Sabine Hopf, Chih-Feng Sung, Chun-Huai Li, Shin-Hung Li, Tiao-Hung Hsiao, Yi-Fan Wang, Jiin-Jou Lih, Chien-Sheng Yang, “A NEW 6-bit Digital-type Current-Driven AMOLED Display Employing an Improving Gray Scale Structure”, SID DIGEST, 2004, pp.1512–1515. [5.2] Gordon Yip, Reiji Hattori and Shintarou Sugimoto, “Single DAC Current Delivery System for Driving AMOLED Panel with Increased Pixel Uniformity ”, SID DIGEST, 2005, pp.434–437. [5.3] Keng Leong Fong and C. Andre T. Salama, “A 10 bit semi-algorithmic current mode DAC”, IEEE International Symposium on Circuits and Systems, 1993, pp.978–981. [5.4] Shu-Yuan Chin and Chung-Yu Wu, “A 10-b 125-MHz CMOS digital-to-analog converter (DAC) with threshold-voltage compensated current sources”, IEEE Journal of Solid-State Circuits, 1994, pp.1374-1380.
摘要: 
本論文探討以低温多晶矽製程技術所製造之主動式有機發光二極體畫素與驅動電路設計,發表了新型的畫素電路及嘗試製作具有温度補償之電流源電路。

在新型的畫素電路方面,是提出新式電流型的畫素電路,主要是改善傳統電路中儲存電容過大,造成開口率過低的問題,新型畫素電路可將儲存電容有效的縮小,不僅可增加開口率,且能減少充電時間,加速畫素設定時間,適合應用於大畫面、高解析度的面板。

關於具有温度補償的電流源電路方面,是目前在高品質的電子電路產品上,皆具有温度補償電路,而有機發光二極體是由電流驅動,經過的電流越大則主動式有機發光二極體可產生越高的亮度,為使有機發光二極體顯示器面板也能不受環境温度影響,本論文製作了具有温度補償的電流源電路,雖然實驗結果的温度補償特性與電路模擬有差異,但實驗結果也證實LTPS要製作具有温度補償的電流源是可以達成的。

最後,我們提出一個整合新式電流型的畫素電路、具有温度補償的電流源電路及六位元電流型數位類比轉換器的驅動電路,這樣整個面板所顯示的色彩就不會因為環境温度變化,而產生色彩偏差的現象。此新型驅動電路有潛力應用在可攜式、高品質的主動式有機發光二極體顯示器產品上。

This thesis is about the design of pixel and driving circuits for active matrix organic light emitting diode (AMOLED) that is produced by using low temperature polysilicon (LTPS) process. It issues a new model of pixel circuit and tries to produce the low temperature-compensated current source circuit.

In the aspect of the new model of pixel circuit, this thesis provides a new current programmed pixel circuit. The main subject is to improve the problem that there is a too low aperture ratio that result from a too big storage capacitor of the tradition circuit. The new model of pixel circuit can lessen the storage capacitor efficiently. It not only can increase the aperture ratio, but it also can decrease the time of charge as well as can accelerate the speed of setting the pixel. It is suitable to apply to the big display and high resolution panel.

In the aspect of the low temperature-compensated current source circuit, presently there all have temperature-compensated circuit on the high quality products of electronic circuit. The OLED is driven by the current. And, the larger of the current is and the lighter of the AMOLED is. In according to let the AMOLED displays not be effected by the environmental temperature, this thesis describes how to produce temperature-compensated current source circuit. Although, there is the difference results in the character of temperature-compensated between the circuit simulation and the experiment. But the experiment results can prove that it can be succeeded to use the LTPS producing the temperature-compensated current source circuit.

Finally, we offer an integrated driving circuit that includes the new current programmed pixel circuit, the temperature-compensated current source circuit and the 6 bit current type digital-to-analog converter (DAC). Therefore, the color showed by the whole panel will not produce the phenomenon of color deviation, causing the change of the environmental temperature. The new driving circuit has the potential to be applied to the portable and high quality products of AMOLED display.
URI: http://hdl.handle.net/11455/7506
其他識別: U0005-1508200718264900
Appears in Collections:電機工程學系所

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