US 11,855,055 B2
Display device
Seung Lyong Bok, Yongin-si (KR); and Dong Ho Lee, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Appl. No. 17/755,784
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
PCT Filed Oct. 8, 2020, PCT No. PCT/KR2020/013807
§ 371(c)(1), (2) Date May 6, 2022,
PCT Pub. No. WO2021/091098, PCT Pub. Date May 14, 2021.
Claims priority of application No. 10-2019-0142715 (KR), filed on Nov. 8, 2019.
Prior Publication US 2022/0384401 A1, Dec. 1, 2022
Int. Cl. H01L 25/16 (2023.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); H01L 23/00 (2006.01); H01L 33/60 (2010.01); H01L 33/32 (2010.01)
CPC H01L 25/167 (2013.01) [G06F 3/044 (2013.01); G06F 3/0412 (2013.01); G06F 3/0416 (2013.01); H01L 24/24 (2013.01); H01L 24/25 (2013.01); H01L 33/60 (2013.01); G06F 2203/04105 (2013.01); H01L 33/32 (2013.01); H01L 2224/245 (2013.01); H01L 2224/24051 (2013.01); H01L 2224/24147 (2013.01); H01L 2224/2512 (2013.01); H01L 2224/25175 (2013.01); H01L 2924/0549 (2013.01); H01L 2924/12041 (2013.01); H01L 2924/12043 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a first electrode and a second electrode on the substrate;
a light emitting element electrically connected to the first electrode and the second electrode;
a first reflective layer on the light emitting element and including an opening overlapping the light emitting element;
a first insulation layer that at least partially covers the first electrode and the second electrode and is located between the light emitting element and the substrate;
a third electrode on the first electrode and being in contact with one end portion of the light emitting element;
a fourth electrode on the second electrode and being in contact with the other end portion of the light emitting element; and
a second insulation layer that covers the light emitting element, the third electrode, and the fourth electrode,
wherein the first reflective layer comprises a material having a first reflectivity,
wherein the first insulation layer includes a first area and a second area, and
wherein the third electrode contacts the first electrode through the first area, and the fourth electrode contacts the second electrode through the second area.