A multi-panel display device with a plurality of display devices adjoining along junction lines and comprising: a plurality of pixels; the multi-display panel comprising an optical member comprising: a plurality of light conduits (512, 514) of a first refractive index, each light conduit of the plurality of light conduits (512, 514) corresponding to one pixel of the plurality of pixels, the light conduits (512, 514) comprising input surfaces configured to receive lights from active areas of display devices and output surfaces configured to transmit the received light; and cladding portions surrounding the light conduits (512, 514), the cladding portions having a second refractive index lower than the first refractive index, wherein the cladding portions comprise black beads configured to absorb light transmitted via the cladding portions, wherein the optical member comprises at least one first area and at least one second area surrounding the first area, wherein the light conduits (512, 514) comprise first light conduits arranged in the first area and extending in a direction perpendicular to the corresponding input surface, and second light conduits arranged in the second area and extending in a direction slanted with respect to the corresponding input surface, and wherein an input surface and a corresponding output surface of the first light conduits has a same area, while an input surface of the second light conduits has an area smaller than a corresponding output surface, wherein the at least one first area corresponds to the centre area of the individual display devices and the at least second area corresponds to the edge area of the individual display devices forming the junction lines. a plurality of light conduits (512, 514) of a first refractive index, each light conduit of the plurality of light conduits (512, 514) corresponding to one pixel of the plurality of pixels, the light conduits (512, 514) comprising input surfaces configured to receive lights from active areas of display devices and output surfaces configured to transmit the received light; and cladding portions surrounding the light conduits (512, 514), the cladding portions having a second refractive index lower than the first refractive index, wherein the cladding portions comprise black beads configured to absorb light transmitted via the cladding portions, wherein the optical member comprises at least one first area and at least one second area surrounding the first area, wherein the light conduits (512, 514) comprise first light conduits arranged in the first area and extending in a direction perpendicular to the corresponding input surface, and second light conduits arranged in the second area and extending in a direction slanted with respect to the corresponding input surface, and wherein an input surface and a corresponding output surface of the first light conduits has a same area, while an input surface of the second light conduits has an area smaller than a corresponding output surface, wherein the at least one first area corresponds to the centre area of the individual display devices and the at least second area corresponds to the edge area of the individual display devices forming the junction lines.