A display device comprising: a light-emitting layer comprising an addressable array of light-emitting elements; an optical layer (802, 904, 1102, 1202, 1454) overlaying the light-emitting layer, the optical layer comprising an array of lenses operative to substantially collimate light from the light-emitting layer; and a transparent angular filter layer (828, 1108, 1210, 1212) along an optical path from the light-emitting layer to an exterior of the display device, the angular filter being operative to substantially block light having an incident angle greater than a threshold angle and to substantially transmit light having an incident angle less than a threshold angle; characterized in that each light-emitting element underlies a corresponding interference layer region (906, 908, 910), and in that the angular filter layer comprises a bandpass interference filter layer comprising: a set of red-tuned interference layer regions with a passband substantially tuned for red light, the light-emitting elements underlying the red-tuned interference layer regions being configured to emit substantially red light, a set of green-tuned interference layer regions with a passband substantially tuned for green light, the light-emitting elements underlying the green-tuned interference layer regions being configured to emit substantially green light, and a set of blue-tuned interference layer regions with a passband substantially tuned for blue light, the light-emitting elements underlying the blue-tuned interference layer regions being configured to emit substantially blue light. a light-emitting layer comprising an addressable array of light-emitting elements; an optical layer (802, 904, 1102, 1202, 1454) overlaying the light-emitting layer, the optical layer comprising an array of lenses operative to substantially collimate light from the light-emitting layer; and a transparent angular filter layer (828, 1108, 1210, 1212) along an optical path from the light-emitting layer to an exterior of the display device, the angular filter being operative to substantially block light having an incident angle greater than a threshold angle and to substantially transmit light having an incident angle less than a threshold angle; characterized in that each light-emitting element underlies a corresponding interference layer region (906, 908, 910), and in that the angular filter layer comprises a bandpass interference filter layer comprising: a set of red-tuned interference layer regions with a passband substantially tuned for red light, the light-emitting elements underlying the red-tuned interference layer regions being configured to emit substantially red light, a set of green-tuned interference layer regions with a passband substantially tuned for green light, the light-emitting elements underlying the green-tuned interference layer regions being configured to emit substantially green light, and a set of blue-tuned interference layer regions with a passband substantially tuned for blue light, the light-emitting elements underlying the blue-tuned interference layer regions being configured to emit substantially blue light. a set of red-tuned interference layer regions with a passband substantially tuned for red light, the light-emitting elements underlying the red-tuned interference layer regions being configured to emit substantially red light, a set of green-tuned interference layer regions with a passband substantially tuned for green light, the light-emitting elements underlying the green-tuned interference layer regions being configured to emit substantially green light, and a set of blue-tuned interference layer regions with a passband substantially tuned for blue light, the light-emitting elements underlying the blue-tuned interference layer regions being configured to emit substantially blue light.