15 Focal Planes Head-Mounted Display using LED Array Backlight

Abstract

Currently, commercial head-mounted displays suffer from limited accommodative states, which lead to vergence-accommodation conflict. In this work, we newly design the architecture of head-mounted display supporting 15 focal planes over wide depth of field (20cm-optical infinity) in real time to alleviate vergence-accommodation confict. Our system employs a low-resolution vertical scanning backlight, a display panel (e.g. liquid crystal panel), and focus-tunable lens. We demonstrate the compact prototype and verify its performance through experimental results.