DYNAMIC THIN FLAT TYPE LIGHT-BEAM DEFLECTOR

摘要

The present invention relates to an active thin flat type optical deflector. The optical deflector by an embodiment of the present invention includes: an active four half-wave delay plate which changes linearly polarized light into one polarized state of first circularly polarized light and second circularly polarized light; and a first optical path conversion cell which forms one of a first prism pattern and a second prism pattern. The active thin flat type optical deflector minimizes stress which liquid crystal molecules suffer from.