Magnifying miniature displays with microlenslet arrays

Vesselin Shaoulov; Ricardo Martins; Jannick P. Rolland

doi:10.1117/12.542785

8 September 2004 Magnifying miniature displays with microlenslet arrays

Vesselin Shaoulov, Ricardo Martins, Jannick P. Rolland

Proceedings Volume 5442, Helmet- and Head-Mounted Displays IX: Technologies and Applications; (2004) https://doi.org/10.1117/12.542785
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

Current technology trends are focused on miniaturizing displays, although for specific applications such as the use of head-mounted displays (HMD) this limits the advancements for a wider field-of-view (FOV) and a negligible overall weight of the optics. Due to the advancements of electronics that benefit from smaller miniature displays, universities and companies are focused on developing this technology to meet the growing demand of this global market. Higher resolution displays with added brightness are being developed, but these displays are decreasing in their viewable area. HMDs can benefit from these higher resolution and brighter displays but they will undergo an increased optical weight to compensate for the smaller display size. To overcome this hindrance in HMDs, we demonstrate in this paper how to incorporate microlenslet arrays as an optical relay system to magnify miniature displays. Microlenslet arrays provide respectively shorter focal length which yields a smaller overall object to image distance and an incremental overall weight compared to an otherwise increased optical lens assembly. The contribution of this paper is a patented concept of magnifying/demagnifying miniature displays with microlenslet arrays that can be integrated in a spaced limited area.

Citation Download Citation

Vesselin Shaoulov, Ricardo Martins, and Jannick P. Rolland "Magnifying miniature displays with microlenslet arrays", Proc. SPIE 5442, Helmet- and Head-Mounted Displays IX: Technologies and Applications, (8 September 2004); https://doi.org/10.1117/12.542785

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