US 11,856,169 B2
Display device, document reading device, and image forming apparatus
Takenori Ohtoshi, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
Filed on Jul. 5, 2022, as Appl. No. 17/857,891.
Claims priority of application No. 2021-133453 (JP), filed on Aug. 18, 2021.
Prior Publication US 2023/0055671 A1, Feb. 23, 2023
Int. Cl. H04N 1/028 (2006.01); H04N 1/00 (2006.01); F21V 8/00 (2006.01)
CPC H04N 1/02835 (2013.01) [G02B 6/0025 (2013.01); G02B 6/0046 (2013.01); H04N 1/00538 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A display device comprising:
a non-translucent housing surrounded by a plurality of surfaces;
a light source provided inside the non-translucent housing; and
a translucent light display that is transmissive to light from the light source,
wherein the non-translucent housing has a through opening that penetrates inner and outer surfaces thereof, and first and second side surfaces that are adjacent to each other and that respectively extend in directions intersecting each other,
the light source and the translucent light display are disposed inside the non-translucent housing surrounded by the plurality of surfaces including the first side surface and the second side surface,
the through opening spans the first side surface and the second side surface,
the translucent light display has a light guide fitted into the through opening and protruding outward from the outer surface of the non-translucent housing,
the light guide is disposed in a corner region between the adjacent first and second side surfaces, and includes a first light guide located on the first side surface and a second light guide located on the second side surface, and
the light guide has a smaller thickness in a corner portion, where the first light guide and the second light guide that are disposed in the corner region connect to each other, than in other portions thereof.