公开(公告)号：US20230265306A1

公开(公告)日：2023-08-24

申请号：US18172286

申请日：2023-02-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sangyeop LEE ,  Jongwoo SHIN ,  Dukki KIM ,  Sehun KIM ,  Wonjun PARK ,  Jaekook HA

IPC: C09D11/50 ,  H10K50/16 ,  H10K50/115 ,  C09D11/033 ,  C09K11/55 ,  B82Y30/00

CPC classification number: C09D11/50 ,  H10K50/16 ,  H10K50/115 ,  C09D11/033 ,  C09K11/55 ,  B82Y30/00

Abstract: An ink composition for a light-emitting device, the ink composition including: a metal oxide; and a mixed solvent composition including a first solvent, a second solvent, and a third solvent,



wherein the first solvent includes one hydroxyl group and has a boiling point of 160° C. to 270° C., the second solvent includes one hydroxyl group and has a boiling point of 270° C. to 350° C., and the third solvent includes two or more hydroxyl groups and has a boiling point of 270° C. to 350° C.

公开(公告)号：US20230227718A1

公开(公告)日：2023-07-20

申请号：US18096690

申请日：2023-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Wonjun PARK ,  Dukki KIM ,  Jongwoo SHIN ,  Sangyeop LEE ,  Sehun KIM ,  Jaekook HA

IPC: C09K11/08 ,  H10K50/115 ,  H10K71/15

CPC classification number: C09K11/0811 ,  H10K50/115 ,  H10K71/15 ,  H10K2102/302

Abstract: Provided are a metal oxide composition, a light-emitting device using the metal oxide composition, and an electronic apparatus including the light-emitting device. The metal oxide composition includes a solvent including a first solvent and a second solvent, and a metal oxide, wherein the first solvent and the second solvent are different from each other, an amount of the first solvent is greater than an amount of the second solvent, and a boiling point of the second solvent is greater than a boiling point of the first solvent.

公开(公告)号：US20220056291A1

公开(公告)日：2022-02-24

申请号：US17220671

申请日：2021-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun KIM ,  Taeheon KANG ,  Dukki KIM ,  Heunggyu KIM ,  Seunguk NOH ,  Hyeran MUN ,  Wonjun PARK ,  Juyon LEE ,  Jaekook HA

IPC: C09D11/36 ,  C09D11/033 ,  C09D11/52 ,  H01L51/00

Abstract: An ink composition for a light-emitting device includes: a phosphine oxide-based charge transport organic material; a first solvent represented by Formula 1; and a second solvent represented by Formula 2: HOR1(O)mR2OH  Formula 1 (HO)aR11O(R12O)nR13(OH)b.  Formula 2