An optical display (700, 810, 815, 900, 1400) for displaying image light for a virtual image in a full field of view, FOV, the display comprising: multiple diffractive optical elements, DOEs, wherein each DOE is an optical element comprising a periodic structure that can modulate properties of light in a periodic pattern; and a waveguide configured to provide in-coupling, expansion of an exit pupil in two directions, and out-coupling, wherein the FOV is split into a left portion and a right portion at an in-coupling DOE (905, 1105, 1205, 1305, 1405, 1505, 1605, 1605, 1705, 1805, 1905, 2005, 2105, 2205); wherein each of the left and right portions expands the exit pupil in a first direction along a first coordinate axis; characterized in that the waveguide comprises a plurality of plates configured to respectively guide red, green, and blue color components of the image light; the left and right portions are then optically stitched together at an out-coupling DOE to provide an extended FOV for the virtual image that is out-coupled to the user's eye; the left portion extends from the center of the waveguide to its left edge and the right portion extends from the center to the right edge of the waveguide; the left and right portions couple light between the in-coupling DOE and the out-coupling DOE that is centrally located towards the bottom portion of the waveguide; the out-coupling DOE expands the exit pupil in a second direction along a second coordinate axis and couples light out of the waveguide to the user's eye; and in that zeroth diffraction order waves of the red, green and blue color components are evanescent and are not coupled downward by the in coupling DOE as compared to first order diffraction waves which are coupled downwards. a waveguide configured to provide in-coupling, expansion of an exit pupil in two directions, and out-coupling, wherein the FOV is split into a left portion and a right portion at an in-coupling DOE (905, 1105, 1205, 1305, 1405, 1505, 1605, 1605, 1705, 1805, 1905, 2005, 2105, 2205); wherein each of the left and right portions expands the exit pupil in a first direction along a first coordinate axis; characterized in that the waveguide comprises a plurality of plates configured to respectively guide red, green, and blue color components of the image light; the left and right portions are then optically stitched together at an out-coupling DOE to provide an extended FOV for the virtual image that is out-coupled to the user's eye; the left portion extends from the center of the waveguide to its left edge and the right portion extends from the center to the right edge of the waveguide; the left and right portions couple light between the in-coupling DOE and the out-coupling DOE that is centrally located towards the bottom portion of the waveguide; the out-coupling DOE expands the exit pupil in a second direction along a second coordinate axis and couples light out of the waveguide to the user's eye; and in that zeroth diffraction order waves of the red, green and blue color components are evanescent and are not coupled downward by the in coupling DOE as compared to first order diffraction waves which are coupled downwards.