公开(公告)号：US20220293683A1

公开(公告)日：2022-09-15

申请号：US17511964

申请日：2021-10-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongjin Kang ,  Changhee Lee

IPC: H01L27/28 ,  H01L27/30 ,  H01L27/32

Abstract: A display apparatus includes: a first unit pixel including a plurality of light-emitting diodes, and a second unit pixel including a plurality of light-emitting diodes and a photodetector diode. Each of the plurality of light-emitting diodes includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, and the photodetector diode includes a third electrode, a fourth electrode facing the third electrode, an active layer disposed between the third electrode and the fourth electrode, and a color filter layer disposed between the fourth electrode and the active layer.

公开(公告)号：US20220204799A1

公开(公告)日：2022-06-30

申请号：US17534335

申请日：2021-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwoon Kim ,  Changhee Lee ,  Hyunmi Doh ,  Sehun Kim

IPC: C09D11/52 ,  H01L51/00

Abstract: An ink composition includes: a solvent; and an electron transporting material substantially dispersed in the solvent and of Formula 1, wherein the ink composition has an Ohnesorge number of about 0.1 to about 0.2: [Ar1]b1-[(L1)a1-R1]c1  Formula 1 wherein the variables are defined herein.

公开(公告)号：US20220112425A1

公开(公告)日：2022-04-14

申请号：US17450252

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd. ,  NIC LAB Co.,LTD.

Inventor： Yunku Jung ,  Changhee Lee ,  Hanyoung Choi ,  Yunhyuk Ko ,  Changho Cho ,  Jaekook Ha

IPC: C09K11/02 ,  C09K11/88 ,  C09K11/08 ,  C09D11/50 ,  C09D11/52 ,  C09D11/037 ,  H01L51/00 ,  H01L51/50

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

公开(公告)号：US20210376244A1

公开(公告)日：2021-12-02

申请号：US17333354

申请日：2021-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojin KO ,  Changhee Lee ,  Dukki Kim ,  Sehun Kim ,  Youngil Kim ,  Seungmook Lee ,  Jaekook Ha

IPC: H01L51/00 ,  C09D11/52 ,  C09D11/38

Abstract: According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound: A1—B1—C1   Formula 1 wherein, in Formula 1, the variables are defined above.

公开(公告)号：US12258504B2

公开(公告)日：2025-03-25

申请号：US18407326

申请日：2024-01-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changhee Lee ,  Dukki Kim ,  Hyojin Ko ,  Sehun Kim ,  Jaehoon Kim ,  Hyunmi Doh ,  Yunku Jung ,  Jaekook Ha

IPC: C09K11/06 ,  C07C43/10 ,  C07C53/00 ,  C07C63/08 ,  C07C211/09 ,  C07C309/04 ,  C07C309/30 ,  C07F9/54 ,  H10K50/115 ,  H10K71/00 ,  H10K71/15 ,  H10K85/60

Abstract: A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot and containing a polar solvent dissociative functional group, and a tail portion connected to the head portion. A quantum dot composition according to an embodiment is used to form an emission layer of a light emitting element to enhance luminous efficiency of the light emitting element including an emission layer formed through the quantum dot composition.

公开(公告)号：US12173209B2

公开(公告)日：2024-12-24

申请号：US17450252

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd. ,  NIC LAB Co.,LTD.

Inventor： Yunku Jung ,  Changhee Lee ,  Hanyoung Choi ,  Yunhyuk Ko ,  Changho Cho ,  Jaekook Ha

IPC: C09K11/02 ,  B82Y20/00 ,  B82Y40/00 ,  C09D5/22 ,  C09D11/037 ,  C09D11/50 ,  C09D11/52 ,  C09K11/08 ,  C09K11/88 ,  H01L33/50 ,  H10K50/115

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

公开(公告)号：US12139652B2

公开(公告)日：2024-11-12

申请号：US17450252

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd. ,  NIC LAB Co.,LTD.

Inventor： Yunku Jung ,  Changhee Lee ,  Hanyoung Choi ,  Yunhyuk Ko ,  Changho Cho ,  Jaekook Ha

IPC: C09K11/02 ,  B82Y20/00 ,  B82Y40/00 ,  C09D5/22 ,  C09D11/037 ,  C09D11/50 ,  C09D11/52 ,  C09K11/08 ,  C09K11/88 ,  H01L33/50 ,  H10K50/115

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

公开(公告)号：US12129416B2

公开(公告)日：2024-10-29

申请号：US17219653

申请日：2021-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Changhee Lee ,  Yunku Jung ,  Hyunmi Doh ,  Hyojin Ko ,  Dukki Kim ,  Sehun Kim ,  Jaehoon Kim ,  Jaekook Ha

IPC: C09K11/06 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/115 ,  H10K102/00

CPC classification number: C09K11/06 ,  H10K50/115 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C09K2211/10 ,  H10K2102/00

Abstract: A quantum dot composition includes a quantum dot having a surface to which a ligand is bonded, and a photoacid generator. The quantum dot composition according to one or more embodiments may be applied to an emission layer of a light emitting element and a display device, thereby improving luminous efficiency of the light emitting element.

公开(公告)号：US11917845B2

公开(公告)日：2024-02-27

申请号：US17336011

申请日：2021-06-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sooho Lee ,  Changhee Lee ,  Hyunmi Doh

IPC: H10K50/16 ,  C09K11/02 ,  C09K11/54 ,  C09K11/56 ,  C09K11/55 ,  C09K11/06 ,  H10K50/115 ,  H10K50/828 ,  H10K71/00 ,  H10K71/15 ,  H10K71/13 ,  H10K102/00

CPC classification number: H10K50/16 ,  C09K11/02 ,  C09K11/06 ,  C09K11/54 ,  C09K11/55 ,  C09K11/565 ,  H10K50/115 ,  H10K50/828 ,  H10K71/00 ,  H10K71/135 ,  H10K71/15 ,  H10K2102/331

Abstract: Provided are a light-emitting device, an electronic apparatus including the same, and a method of manufacturing the light-emitting device, wherein the light-emitting device includes: a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and an electron transport layer, the electron transport layer is between the emission layer and the second electrode, and the electron transport layer includes an electron transport particle, the electron transport particle includes a core and a shell covering the core, the core includes an oxide, a chalcogenide, or any combination thereof, and the shell includes a chalcogenide, the chalcogenide of the core being the same as or different from the chalcogenide of the shell.

公开(公告)号：US11910703B2

公开(公告)日：2024-02-20

申请号：US17152640

申请日：2021-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： Changhee Lee ,  Yunku Jung ,  Hyojin Ko ,  Dukki Kim ,  Sehun Kim ,  Jaehoon Kim ,  Hyunmi Doh ,  Jaekook Ha

IPC: H01L51/00 ,  H10K85/30 ,  C09K11/06 ,  H10K50/115 ,  H10K71/00

CPC classification number: H10K85/361 ,  C09K11/06 ,  H10K85/381 ,  C09K2211/10 ,  C09K2211/188 ,  H10K50/115 ,  H10K71/00

Abstract: A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot, a connecting portion connected to the head portion and including a metal, and a tail portion coordinated to the metal of the connecting portion. The quantum dot composition according to the present embodiments is used to form an emission layer of a light emitting element, and may thus increase service life and luminous efficiency of the light emitting element including the emission layer formed using the quantum dot composition.