Display apparatus and display method

摘要

A display apparatus is provided with a plurality of display devices disposed on a line of sight of an observer in front and rear relation to one another for superposing and displaying a plurality of images on an object to be displayed; an intensity adjustment device for adjusting intensity of light emitted by at least one display device of the display devices so that the intensity difference between the light having maximum intensity in the observer position and the light having minimum intensity in the observation position respectively emitted by the devices may fall within a first predetermined range; and a chromaticity adjustment device for adjusting chromaticity emitted by the one display device so that chromaticity coordinates in the position of the light emitted by the respective arbitrarily selected two display devices of the display devices respectively emitted by the display devices distribute within a second predetermined range.