基于二維振鏡的掃描式激光投影系統(tǒng)
發(fā)布時間:2018-02-13 01:13
本文關(guān)鍵詞: 李薩如圖 激光掃描投影 二維諧振振鏡 靜脈定位 出處:《華中科技大學》2015年碩士論文 論文類型:學位論文
【摘要】:憑借多媒體技術(shù)的發(fā)展,顯示技術(shù)上升到了一個更加重要的位置,隨著移動終端設(shè)備的普及以及顯示技術(shù)的不斷進步,激光掃描投影顯示技術(shù)正在一步步走進人們的生活中。激光掃描投影顯示技術(shù)具備傳統(tǒng)投影顯示技術(shù)所不具備的獨特優(yōu)點,包括大色域、高效率、長壽命,同時可以在任何不規(guī)則平面上投影任何分辨率圖案。但是目前的激光掃描投影顯示技術(shù),還有其難以克服的技術(shù)難點,包括振鏡器件制作和顯示控制。目前在國外已有少數(shù)生產(chǎn)商以及研究機構(gòu)制作出微型激光投影器件,不過該技術(shù)被他們所控制,這些單位一般只提供投影儀器成品,而在國內(nèi)還沒有一套成熟的技術(shù)能夠解決相關(guān)難題。最近國內(nèi)已有科研單位制作出二維諧振的MEMS掃描鏡,本論文便主要針對二維諧振的MEMS掃描鏡作出一系列的研究,先從理論上論證基于二維諧振振鏡的激光掃描投影顯示技術(shù)完全可行,并在MATLAB仿真中給出實現(xiàn)思路,接著從顯示技術(shù)的一些關(guān)鍵參數(shù)入手,對這些參數(shù)進行定量的分析,最后在實驗中給出具體實現(xiàn)的系統(tǒng)原理,從理論、仿真和實踐的角度提出了基于二維諧振振鏡的李薩如圖式激光掃描投影系統(tǒng)。同時在第五章給出了基于二維諧振振鏡的擴展應(yīng)用,標示著二維諧振振鏡與激光掃描投影顯示技術(shù)未來不可估量的巨大發(fā)展?jié)摿Α?br/>[Abstract]:With the development of multimedia technology, display technology has risen to a more important position. With the popularization of mobile terminal equipment and the continuous progress of display technology, Laser scanning projection display technology is coming into people's life step by step. Laser scanning projection display technology has unique advantages that traditional projection display technology does not, including large color gamut, high efficiency, long life. At the same time, any resolution pattern can be projected on any irregular plane. However, the current laser scanning projection display technology has its difficult technical difficulties. Including vibroscope device fabrication and display control. At present, a small number of manufacturers and research institutions abroad have produced micro laser projection devices, but the technology is controlled by them, and these units generally only provide projectors with finished products. However, there is not a set of mature technology to solve the related problems in our country. Recently, there have been many research institutes in China to produce two-dimensional resonant MEMS scanning mirror, so this paper mainly focuses on two-dimensional resonant MEMS scanning mirror. It is proved theoretically that the laser scanning projection display technology based on 2-D resonator mirror is feasible, and the realization idea is given in the MATLAB simulation. Then, some key parameters of the display technology are analyzed quantitatively. Finally, the system principle is given in the experiment. From the point of view of simulation and practice, a laser-scanning projection system based on two-dimensional resonant mirror is proposed, and the extended application based on two-dimensional resonant mirror is given in Chapter 5th. It indicates the great potential of two-dimensional resonant mirror and laser scanning projection display technology in the future.
【學位授予單位】:華中科技大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:TN249
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