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  • 學位論文

搭配高解析度時間多工背光以及追蹤系統提供多使用者廣視角之裸眼式液晶顯示器

High Resolution Time-multiplexed Backlight with Tracking System for Multi-user Applicable Wide-viewing Auto-stereoscopic LCD

指導教授 : 謝漢萍 黃乙白

摘要


現今,一般大眾對於影像娛樂需求的提升,不單單只是想在生活中看到立體影像,在顯示器上更為需要,因此,三維立體顯示器已成為目前各大廠商和學術研究的主流,並期望能藉此提供給大眾更真實的立體視覺感觀效果。加上當紅的三維立體電影’阿凡達’以及三維立體電視的推出,使得三維立體顯示器比以往更加受到矚目。雖然眼鏡式的三維顯示技術已普遍在電影院應用,但是需要戴眼鏡仍是一件令人感到不舒服以及不方便的問題。因此,使用二維多工裸眼式技術有著多視角以及不用攜帶眼鏡優勢。 傳統的二維多工裸眼式技術有著低解析度以及固定視角的問題,所以本篇論文提出一款搭配高解析度時間多工背光以及追蹤系統提供多視角之裸眼式液晶顯示器,其中藉由結合一種可調式等條狀背光系統以及微透鏡結構可以維持解析度,一個追蹤系統可以追蹤每位使用者的位置,一個演算法可以計算出每位使用者的最佳投射位置,以及一個120赫茲液晶顯示器可以呈現影像。因此,我們所提出的顯示器可以維持高解析度以及令多位使用者可以同時在廣視角範圍內觀看到三維立體影像,加上可以避免送出錯誤的影像給不對的眼睛。

並列摘要


Nowadays, with introduction of the 3D movie ‘Avatar’ and 3D TVs in the market, 3D displays have been focused more than ever. However, both 3D movies and 3D TVs are required to wear 3D glasses to watch, which is really uncomfortable and inconvenient. Consequently, the final expectation of users is a 3D display with naked eye. The 2D-multiplexed auto-stereoscopic displays are in fashion because of multi-view and without wearing 3D glasses. Conventional 2D-multiplexed auto-stereoscopic 3D display has low resolution and limited viewing angles with fixed positions issues. A high resolution time-multiplexed backlight with tracking system for multi-user applicable wide-viewing auto-stereoscopic LCD was proposed, including an adjustable fine-stripe (AFS) backlight structure and a micro lens structure to keep high resolution, a tracking system to track the position of each observer, an algorithm to calculate the best projection position of each observer and a 120Hz LCD to display image. Therefore, the proposed display can keep high resolution and accomplish sequential 2-view for multi-user without sending wrong images to incorrect eyes.

參考文獻


[1] C.Y. Hsu and Y. P. Huang, “Development and Researches of Real 3D Display Technologies,” Optical Engineering Quarterly 98th, pp. 1-8, June, 2007.
[3] S. Pastoor and M. Wijpking, “3-D displays: A Review of Current Technologies,” Displays 17(2), 100-110, (1997).
[4] Wojciech Matusik and Hanspeter Pfister, “3D TV: A Scalable System for Real-Time Acquisition, Transmission, and Autostereoscopic Display of Dynamic Scenes.”
[5] H. Hong and M. Lim, “Determination of luminance distribution of autostereoscopic 3-D displays through calculation of angular profile,” Journal of the SID 18/5, pp. 327-335, 2010
[6] R. Kaptain and I. Heynderickx, “Effect of Crosstalk in Multi-View Autostereoscopic 3D Displays on Perceived Image performance,” SID Symposium Digest 38, 1220-1223, (2007).

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