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| DMD微投影显示的LED光学引擎设计 | |
| 引用本文： | 孙文军,张梅恒,尹燕宗,孟中.DMD微投影显示的LED光学引擎设计[J].光学技术,2009,35(5). |
| 作者姓名： | 孙文军 张梅恒 尹燕宗 孟中 |
| 作者单位： | 1. 哈尔滨师范大学,物理与电子工程学院,哈尔滨,150025 2. 牡丹江师范学院物理系,黑龙江,牡丹江,157012 3. 中国科学院长春光机所航测部,长春,130022 |
| 基金项目： | 黑龙江省青年基金(QC06C043);;哈尔滨市青年创新基金(RFQXG055);;哈尔滨师范大学自然基金预研助项目(08XYS-01) |
| 摘 要： | 提出了基于矩形CPC的微投影显示匀光方法,设计了由LED、CPC、矩形复眼透镜及微显示芯片DMD构成的光学引擎。利用基于蒙特卡罗法的光线追迹软件分析了圆形CPC和矩形CPC对微投影显示匀光效果、光能利用率的影响。实验结果表明基于矩形CPC的光学引擎相对于基于圆形CPC的光学引擎有如下优点:体积小,光学扩展量小,照度均匀性高达到92%以上,能量利用率高达到43%以上,满足微显示芯片DMD的要求。 |
| 关 键 词： | 矩形CPC LED 光学扩展量 光能利用率 照度均匀性 |
Design of LED optical engine for micro-projection display of DMD |
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| SUN Wen-jun,ZHANG Mei-heng,YIN Yan-zong,MENG Zhong.Design of LED optical engine for micro-projection display of DMD[J].Optical Technique,2009,35(5). | |
| Authors: | SUN Wen-jun ZHANG Mei-heng YIN Yan-zong MENG Zhong |
| Institution: | 1.Harbin Normal University;Harbin 150025;China;2.Mudanjiang Teachers College;Mudanjiang 157012;China;3.Changchun Institute of Optics;Fine mechanics and Physics Chinese Academy of Sciences;Changchun 130022;China |
| Abstract: | A light uniformazing algorithm based on rectangular CPC is presented for micro-projection display.The designed optical engine with rectangular CPC consists of LED,fly's-eye lens and micro-display panel DMD.The light uniformity on the micro-display panel and energy efficiency of the optical engine with rectangular CPC is analyzed by means of software.Experimental results show that the proposed light uniformazing algorithm and system compared with other uniformazing light algorithm and system have advantages ... |
| Keywords: | rectangular compound parabolic concentrator light-emitting diode etendue energy efficiency illuminance uniformity |
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