CASCADING OPTICS IN OPTICAL COMBINERS OF HEAD MOUNTED DISPLAYS

摘要

An apparatus for a head mounted display includes a display module for launching display light along a forward propagating path. The apparatus also includes a light relay to receive the display light. The light relay includes a first optic disposed along the forward propagating path. The light relay also includes a second optic disposed along the forward propagating path between the first optic and the display module. The first optic is configured to direct the display light in an eye-ward direction and the second optic is configured to direct the display light in an eye-ward direction.