US 12,336,367 B2
Display device
Yusuke Sakakibara, Sakai (JP); and Masumi Kubo, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Osaka (JP)
Appl. No. 18/039,239
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
PCT Filed Nov. 30, 2020, PCT No. PCT/JP2020/044437
§ 371(c)(1), (2) Date May 27, 2023,
PCT Pub. No. WO2022/113324, PCT Pub. Date Jun. 2, 2022.
Prior Publication US 2023/0422553 A1, Dec. 28, 2023
Int. Cl. H10K 50/115 (2023.01); G09G 3/00 (2006.01); G09G 3/32 (2016.01); H01L 21/66 (2006.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01)
CPC H10K 50/115 (2023.02) [G09G 3/006 (2013.01); G09G 3/32 (2013.01); H01L 22/30 (2013.01); H10K 59/1213 (2023.02); G09G 2300/0842 (2013.01); G09G 2330/12 (2013.01); H10K 59/131 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a plurality of light-emitting elements, each including:
a first electrode;
a second electrode; and
a light-emitting layer between the first electrode and the second electrode, the plurality of light-emitting elements further including:
at least one main light-emitting element containing quantum dots in the light-emitting layer, the at least one main light-emitting element being arranged in a display area that is an area where images are displayed; and
at least one particular light-emitting element that includes a plurality of compact light-emitting elements, each of the plurality of compact light-emitting elements being smaller than the at least one main light-emitting element and including a light-emitting layer that emits light, each of the plurality of compact light-emitting elements being disposed in a frame area that is an area surrounding the display area, wherein
the plurality of compact light-emitting elements is arranged along a length direction of a corresponding one of the at least one main light-emitting element.