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首页> 美国卫生研究院文献>Molecules >Naked-Eye 3D Display Based on Microlens Array Using Combined Micro-Nano Imprint and UV Offset Printing Methods
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Naked-Eye 3D Display Based on Microlens Array Using Combined Micro-Nano Imprint and UV Offset Printing Methods

机译：结合微纳米压印和紫外线胶版印刷技术的基于微透镜阵列的裸眼3D显示

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摘要

An optical film integrating microlens array (MLAs) and 3D micro-graphics is an important way to achieve the naked-eye 3D display effect. The 3D micro-graphics is traditionally generated by the micro-nano imprint technology based on precision engraving mold, which leads to high production cost and low production efficiency, and thus restricts the rapid response to production tasks and large-scale popularization and application. In this study, a process scheme for large-scale printing of 3D micro-graphics using UV offset printing based on presensitized (PS) plate was proposed, matching with the MLAs fabricated by micro-nano imprint process to achieve naked-eye 3D display effect. We used the laser confocal microscope to systematically measure and analyze the geometric and optical performance of the fabricated MLAs in terms of height, curvature radius, center distance, spacing, focal length, and numerical aperture, and evaluated the influence of the publishing resolution of the PS plate on the display effect of 3D micro-graphics. The printing quality and display effect of 3D micro-graphics were further improved by adjusting process parameters such as printing speed and printing pressure. The results of the current study demonstrate that the combined application of micro-nano imprint technology based on precision mold and UV offset printing technology based on PS plate can achieve an excellent naked-eye 3D display effect in 360° all angles, which is efficient, cost-saving, and highly flexible.
机译：集成微透镜阵列（MLA）和3D显微图像的光学膜是获得裸眼3D显示效果的重要方法。传统的3D缩影是由微纳米压印技术基于精密雕刻模具生成的，导致生产成本高，生产效率低，从而限制了对生产任务的快速响应以及大规模的推广应用。在这项研究中，提出了一种使用基于预敏（PS）板的UV胶版印刷大规模印刷3D显微图像的工艺方案，并与通过微纳米压印工艺制造的MLA相匹配，以实现裸眼3D显示效果。我们使用激光共聚焦显微镜从高度，曲率半径，中心距离，间距，焦距和数值孔径方面系统地测量和分析了所制造的MLA的几何和光学性能，并评估了其出版分辨率的影响。 PS板对3D显微图像的显示效果。通过调整印刷速度和印刷压力等工艺参数，可以进一步提高3D缩微图像的印刷质量和显示效果。目前的研究结果表明，结合使用基于精密模具的微纳米压印技术和基于PS板的UV胶印技术，可以在360°各个角度上实现出色的裸眼3D显示效果，节省成本，并且高度灵活。

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