Display device

A display device for guiding image light emitted from an image light generating device to a pupil of an observer, the display device comprising:

• a first diffraction optical element group having positive power and configured to receive the image light;
• and
• a second diffraction optical element group having positive power and configured to diffract the image light diffracted by the first diffraction optical element group to form an exit pupil, wherein
• the first diffraction optical element group is constituted by laminating a first diffraction optical element having a first interference pattern corresponding to a wavelength band of one or two of three colors of red, green, and blue of the image light, and a second diffraction optical element having a second interference pattern corresponding to a wavelength band of remaining colors of the three colors and
• the second diffraction optical element group is constituted by laminating a third diffraction optical element having a third interference pattern corresponding to a wavelength band of one or two of three colors of red, green, and blue of the image light, and a fourth diffraction optical element having a fourth interference pattern corresponding to a wavelength band of remaining colors of the three colors.