Patent ID: 8113665
Filing Date: 2012-02-14
Classification: G02B,G03B

Abstract:
1. A micro-scanner comprising: a rotary shaft having top and bottom parts; a scan minor for scanning incident light to a screen while swinging about the rotary shaft; upper and lower supports for rotatably supporting the top and bottom parts of the rotary shaft, the upper and lower supports being fixed without movement; a driving unit for supplying driving force for rotating the scan minor, said driving unit being arranged in at least one of the upper and lower supports; a detection unit for determining a position of the scan mirror; and an iris interposed between the upper and lower supports and arranged adjacent the scan mirror on an optical path of the scan mirror for limiting a spot size of light incident into the scan mirror, wherein the upper and lower supports are spaced apart from each other, the driving unit is arranged within the lower support, and the detection unit is arranged within the upper support, wherein the iris comprises: