US 12,089,470 B2
Display device
Yuji Tanaka, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Appl. No. 18/031,591
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
PCT Filed Oct. 14, 2020, PCT No. PCT/JP2020/038708
§ 371(c)(1), (2) Date Apr. 12, 2023,
PCT Pub. No. WO2022/079819, PCT Pub. Date Apr. 21, 2022.
Prior Publication US 2023/0263030 A1, Aug. 17, 2023
Int. Cl. G09G 3/20 (2006.01); H10K 50/115 (2023.01); H10K 59/38 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/38 (2023.02) [G09G 3/2007 (2013.01); H10K 50/115 (2023.02); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2320/0626 (2013.01); G09G 2360/16 (2013.01); H10K 59/12 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a light-emitting element including a first electrode, a second electrode, and a first quantum dot light-emitting layer disposed between the first electrode and the second electrode;
a light source element configured to irradiate the light-emitting element with ultraviolet light; and
a display panel including a plurality of subpixels,
wherein each of the plurality of subpixels includes the light-emitting element,
an intensity of the ultraviolet light is set to a value corresponding to a minimum input gray scale of the plurality of subpixels, and
an application voltage corresponding to an input gray scale and the intensity of the ultraviolet light is applied to the light-emitting element of each of the plurality of subpixels.