Head mounted display using spatial light modulator to move the viewing zone

A wearable device comprising:

• a light source;
• a micro-electro-mechanical systems (MEMS) scanning mirror that rasterizes a light beam from the light source in one dimension;
• a diffractive element that diverges the light beam coplanar to a rotating axis of the MEMS scanning mirror and a direction of propagation of the light beam;
• an astigmatic optics;
• an image panel, wherein the astigmatic optics directs the light beam onto the image panel, the image panel comprising an image engine that generates image content for display;
• an eye monitor that measures information pertaining to an eye configuration of a user wearing the wearable device, wherein the image content is visible to the user when the eye is aligned with respect to the viewing zone;
• and
• a spatial light modulator (SLM) that receives the image content from the image panel and is configured to move a position of the viewing zone based on the eye configuration information measured by the eye monitor.