Head lamp for cornering operation

摘要

To correct variation of a property of light orientation induced by inclination of a vehicle body during a cornering operation, a projector type cornering head lamp including an inclination sensor further includes correcting means. When the correcting means is mechanically constructed, it comprises a pair of opening portions formed on a light shielding plate, shutters for closing the opening portions therewith and solenoids for pulling the shutter downwardly in response to an output from the inclination sensor. When the correcting means is electrically constructed, it is constituted by a circular liquid crystal element preferably comprising a supertwistnematic liquid crystal and serving also as a light shielding plate. The liquid crystal element is constructed such that four sector-shaped ranges radially expanding from the center of a circle with an angle of 45 degrees above and below a reference line are divided into fifteen radially extending segments each of which radially expands in the small sector-shaped configuration with an angle of 3 degrees. Alternatively, the liquid crystal element may be constructed by a plurality of horizontal stripe-shaped segments. A half of the segments above the reference line is normally held in a light permeable state, while another half of the segments below the reference line is normally held in a light impermeable state.