Patent ID: 7990598

Claim:
A scan-type image display device which displays an image by scan of laser beam emitted from a light source in one direction and another direction of a light receiving surface, comprising: a first scan unit which performs scan of the laser beam in the one direction by deflecting the laser beam; a second scan unit which performs scan of the laser beam in the another direction by deflecting the laser beam; and a scan control unit which equalizes the scan width of the laser beam scan in the one direction by using the first scan unit performed at each position in the another direction within the light receiving surface, wherein: the scan width of the laser beam scan is a width of the laser beam scan received on the light receiving surface; and the scan control unit equalizes the scan width of the laser beam scan by adjusting a scan amplitude of the first scan unit at each position in the another direction on the light receiving surface so that the scan width of the laser beam scan at each position in the another direction on the light receiving surface is substantially equal.