Holographic Optics for Thin and Lightweight Virtual Reality
Holographic Optics for Thin and Lightweight Virtual Reality
复制标题
DOI：
10.1145/3386569.3392416
复制
发表时间：
2020-07-01
影响因子：
6.2
通讯作者：
Wang, Junren
中科院分区：
文献类型：
--
作者：
Maimone, Andrew;Wang, Junren
我们提出了一类显示器设计，结合全息光学，定向背光，激光照明和基于偏振的光学折叠，以实现薄，轻，高性能的近眼显示器的虚拟现实。几种设计方案提出，比较，并作为原型实验验证。仅使用薄而平的薄膜作为光学元件，我们展示了厚度小于9 mm的VR显示器，水平视野超过90度，外形接近太阳镜。在一个台式机的形式因素，我们还展示了一个全彩色显示器，使用波长复用全息透镜，使用激光照明，以提供一个大的色域和高度饱和的颜色。我们的实验表明，我们的设计支持现代VR头显的预期分辨率，并可以扩展到人类的视觉敏锐度极限。目前的局限性，我们讨论的挑战，以获得充分的实用性。
We present a class of display designs combining holographic optics, directional backlighting, laser illumination, and polarization-based optical folding to achieve thin, lightweight, and high performance near-eye displays for virtual reality. Several design alternatives are proposed, compared, and experimentally validated as prototypes. Using only thin, flat films as optical components, we demonstrate VR displays with thicknesses of less than 9 mm, fields of view of over 90 degrees horizontally, and form factors approaching sunglasses. In a benchtop form factor, we also demonstrate a full color display using wavelength-multiplexed holographic lenses that uses laser illumination to provide a large gamut and highly saturated color. We show experimentally that our designs support resolutions expected of modern VR headsets and can scale to human visual acuity limits. Current limitations are identified, and we discuss challenges to obtain full practicality.