A multiview display comprising a multiview backlight and an array of light valves, wherein the multiview backlight comprises: a light guide configured to guide light in a propagation direction along a length of the light guide; a plurality of multibeam elements (120,122,124,126) spaced apart from one another along the light guide length, a multibeam element of the plurality of multibeam elements (120,122,124,126) being configured to couple out from the light guide a portion of the guided light as a plurality of coupled-out light beams having different principal angular directions corresponding to respective different view directions of a multiview display comprising multiview pixels, wherein the coupled-out light beams are substantially confined to a single corresponding multiview pixel, and wherein the multibeam elements (120,122,124,126) are arranged as a two-dimensional array, wherein the array of light valves is configured to modulate light beams of the coupled-out light beam plurality, a light valve of the array corresponding to the sub-pixel, a set of light valves of the array corresponding to the multiview pixel of the multiview display, wherein a size of the multibeam element (120,122,124,126) is between fifty percent and two hundred percent of a size of a sub-pixel in a multiview pixel of the multiview display, and wherein the multibeam element (120,122,124,126) comprises one or both of a micro-reflective element and a micro-refractive element, the micro-reflective element being configured to reflectively couple out a portion of the guided light as the plurality of coupled-out light beams, the micro-refractive element being configured to refractively couple out a portion of the guided light as the plurality of coupled-out light beams, or wherein the multibeam element is a uniform diffraction grating configured to diffractively couple out the portion of the guided light as the plurality of coupled-out light beams, the uniform diffraction grating having diffractive features with a substantially constant spacing throughout the diffraction grating. wherein the multiview backlight comprises: a light guide configured to guide light in a propagation direction along a length of the light guide; a plurality of multibeam elements (120,122,124,126) spaced apart from one another along the light guide length, a multibeam element of the plurality of multibeam elements (120,122,124,126) being configured to couple out from the light guide a portion of the guided light as a plurality of coupled-out light beams having different principal angular directions corresponding to respective different view directions of a multiview display comprising multiview pixels, wherein the coupled-out light beams are substantially confined to a single corresponding multiview pixel, and wherein the multibeam elements (120,122,124,126) are arranged as a two-dimensional array, a light guide configured to guide light in a propagation direction along a length of the light guide; a plurality of multibeam elements (120,122,124,126) spaced apart from one another along the light guide length, a multibeam element of the plurality of multibeam elements (120,122,124,126) being configured to couple out from the light guide a portion of the guided light as a plurality of coupled-out light beams having different principal angular directions corresponding to respective different view directions of a multiview display comprising multiview pixels, wherein the coupled-out light beams are substantially confined to a single corresponding multiview pixel, and wherein the multibeam elements (120,122,124,126) are arranged as a two-dimensional array, wherein the array of light valves is configured to modulate light beams of the coupled-out light beam plurality, a light valve of the array corresponding to the sub-pixel, a set of light valves of the array corresponding to the multiview pixel of the multiview display, wherein a size of the multibeam element (120,122,124,126) is between fifty percent and two hundred percent of a size of a sub-pixel in a multiview pixel of the multiview display, and wherein the multibeam element (120,122,124,126) comprises one or both of a micro-reflective element and a micro-refractive element, the micro-reflective element being configured to reflectively couple out a portion of the guided light as the plurality of coupled-out light beams, the micro-refractive element being configured to refractively couple out a portion of the guided light as the plurality of coupled-out light beams, or wherein the multibeam element is a uniform diffraction grating configured to diffractively couple out the portion of the guided light as the plurality of coupled-out light beams, the uniform diffraction grating having diffractive features with a substantially constant spacing throughout the diffraction grating.