Holographic Automultiscopic Liquid Crystal 3D Display

描述（申请人提供）：三维（3D）成像和可视化在生物医学领域的许多领域是不可或缺的。物理光学公司（POC）提议开发一种独特的高分辨率、全彩液晶（LC）平板3D显示器，该显示器优于现有设备，并将使医生、生物医学研究人员、临床医生、理论家和外科医生能够协同查看具有特定位置正确视角的高质量、全彩生物材料3D图像，而无需佩戴特殊眼镜或头部跟踪器。这种低成本显示器的特点是屏幕亮度和分辨率高，而且结构紧凑，没有笨重的光学元件。它不需要对图像数据进行任何特殊的预处理或格式化，可以与标准的3D图形软件和交互式计算机系统或实时多视频设备一起工作。此外，它没有中间组件，如透镜屏幕、狭缝阵列、护目镜或眼镜，以降低人类视觉系统的自然3D感知。该方法将一种特殊的双角度开关准直背光、高分辨率LC平板显示器和空间复用波导全息图集成在多视角自动立体3D显示器中，其广域屏幕可作为多个2D显示屏。在第一阶段，POC设计并构建了一个使用标准尺寸（800x600像素）LCD的概念验证四视图原型系统，并制作了四视图复用波导全息图。通过投射几个3D物体的全彩色半分辨率（400x300像素）透视图像，成功演示了该原型。第二阶段将生产一个全分辨率（1280x1024像素或更大）的八视角，大面积商业化原型系统，将用生物医学3D图像数据进行测试。这种实时、全彩、低成本的多视角全息自动立体LC 3D显示系统将有广泛的商业应用：医学成像；教育培训和模拟；虚拟现实环境;科学仿真与建模；工业检验;CAD制造；太空探索;遥控机器人;摄影测量;以及3D视频和电影。

DESCRIPTION (provided by applicant): Three-dimensional (3D) imaging and visualization are indispensable in many sectors of the biomedical field. Physical Optics Corporation (POC) proposes to develop a unique high-resolution, full-color liquid crystal (LC) flat-panel 3D display that is superior to existing devices, and will enable doctors, biomedical researchers, clinicians, theorists, and surgeons to collaboratively view high-quality, full-color 3D images of biological materials with location-specific correct perspectives and without having to wear special glasses or head trackers. The low-cost display features high screen brightness and resolution, and is compact, with no bulky optics. It does not require any special preprocessing or formatting of image data, and can work with standard 3D graphic software and interactive computer systems or with real-time multivideo equipment. Furthermore, it has no intermediate components such as lenticular screens, slit arrays, goggles, or glasses to degrade natural 3D perception of the human vision system. The proposed approach integrates a special two-angle switching collimated backlight, a high resolution, LC flat-panel display with spatially multiplexed waveguide holograms in a multiperspective autostereo 3D display whose wide-area screen functions as multiple 2D display screens. In Phase I, POC designed and constructed a proof-of-concept four-view prototype system using a standard size (800x600 pixels) LCD and fabricated four-view multiplexed waveguide holograms. The prototype was successfully demonstrated by projecting full-color half-resolution (400x300 pixels) perspective images of several 3D objects. Phase II will produce a full-resolution (1280x1024 pixels or larger) eight-perspective view, large-area commercializable prototype system that will be tested with biomedical 3D image data. This real- time, full-color, low-cost multiperspective holographic autostereo LC 3D display system will find a wide range of commercial applications: medical imaging; educational training and simulation; virtual-reality environments; scientific simulation and modeling; industrial inspection; CAD for manufacturing; space exploration; telerobotics; photogrammetry; and 3D video and cinema. PUBLIC HEALTH RELEVANCE: The proposed holographic automultiscopic, large-screen, high-resolution liquid-crystal 3D display with a natural look-around capability will significantly improve 3D visualization of biomedical images to biomedical researchers, doctors, and surgeons. This unique capability will aid in screening diagnostics and treatment planning without requiring special user eyewear, significantly reducing the time, cumbersomness, and cost of surgical procedures.