| abstract |
Power consumption of an optical scanner including a reflection mirror that reflects light, a beam portion connected to the reflection mirror, and a piezoelectric body that elastically deforms the beam portion can be reduced, and a piezoelectric element provided on the beam portion An optical scanner having a structure in which a body does not easily peel off from a beam portion, an optical scanning device using the optical scanner, an image display device, a retinal scanning image display device, and a method for forming a beam portion in an optical scanner provide. A beam section elastically deformed piezoelectric body connected to a reflection mirror of an optical scanner is formed on each of a front surface and a back surface of the beam section, and a cross-sectional taper that becomes narrower from the front surface to the back surface of the beam section. A side wall part having a shape was formed. [Selection] Figure 10 |