US 11,690,242 B2
Light emitting device and display device including the same
Moon Gyu Han, Suwon-si (KR); Kwanghee Kim, Seoul (KR); Heejae Lee, Seoul (KR); Eun Joo Jang, Suwon-si (KR); and Dae Young Chung, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Mar. 7, 2022, as Appl. No. 17/688,201.
Application 17/688,201 is a continuation of application No. 16/857,727, filed on Apr. 24, 2020, granted, now 11,271,190.
Claims priority of application No. 10-2019-0049380 (KR), filed on Apr. 26, 2019.
Prior Publication US 2022/0190298 A1, Jun. 16, 2022
Int. Cl. H01L 51/52 (2006.01); C09K 11/88 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01)
CPC H01L 51/5278 (2013.01) [C09K 11/883 (2013.01); H01L 51/0072 (2013.01); H01L 51/502 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A light emitting device, comprising
a first electrode and a second electrode facing each other;
an emissive layer disposed between the first electrode and the second electrode;
wherein the emissive layer comprises a layer comprising:
an organic compound having a bipolar transport property, and
a plurality of quantum dots that are configured to emit light of a predetermined color, wherein the emissive layer further comprises a halogen, a p-type semiconductor material, and n-type semiconductor material, or a combination thereof, and
wherein a thickness of the emissive layer is greater than or equal to about 30 nm and less than or equal to about 200 nm.