公开(公告)号：US12069877B2

公开(公告)日：2024-08-20

申请号：US17445666

申请日：2021-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu Kim ,  Sehun Kim ,  Taeheon Kang ,  Hyeran Mun ,  Juyon Lee ,  Jaekook Ha

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/16 ,  H10K71/00 ,  H10K71/12 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/11 ,  H10K85/626 ,  H10K85/631 ,  H10K85/636 ,  H10K85/6576 ,  H10K50/16 ,  H10K71/00 ,  H10K71/12 ,  H10K85/6574 ,  H10K2101/30 ,  H10K2101/40

Abstract: A composition for manufacturing a light-emitting device includes: a solvent; and a first compound and a second compound, each dispersed in the solvent; wherein a molecular weight of the first compound is 750 g/mol or less, a molecular weight of the second compound is greater than 750 g/mol, a lowest unoccupied molecular orbital (LUMO) energy level of the second compound is greater than −2.4 eV, a highest occupied molecular orbital (HOMO) energy level of the second compound is less than −5.6 eV, and a bandgap energy of the second compound is greater than 3.2 eV.