公开(公告)号：US20240023361A1

公开(公告)日：2024-01-18

申请号：US18201684

申请日：2023-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Gyeongheon Kim ,  Sooryun Cho ,  Sohae Kim ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Dongsun Yoo ,  Sungyu Jung

IPC: H10K50/16 ,  H10K50/11 ,  H10K85/30 ,  H10K50/805 ,  C09K11/06

CPC classification number: H10K50/16 ,  H10K50/11 ,  C09K2211/1025 ,  H10K50/805 ,  C09K11/06 ,  H10K85/346

Abstract: An electronic device including the light-emitting device, and a consumer product including the light-emitting device. 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 region, wherein the electron transport region is between the emission layer and the second electrode, and the emission layer includes a first emitter, and the electron transport region includes a heterocyclic compound. The descriptions of the first emitter and the heterocyclic compound are the same as described in the present specification.

公开(公告)号：US20230389345A1

公开(公告)日：2023-11-30

申请号：US18324070

申请日：2023-05-25

Applicant: Samsung Display Co., LTD.

Inventor： Hoilim Kim ,  Donguk Kang ,  Gyeongheon Kim ,  Sohae Kim ,  Jihye Kim ,  Saerom Park ,  Yongsub Shim ,  Dongsun Yoo

IPC: H10K50/11 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K85/342 ,  H10K85/654

Abstract: Provided is an organic light emitting device including a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a capping layer outside the first electrode or the second electrode. The emission layer includes a first emitter, the first emitter emits red light and includes iridium, a photoluminescence (PL) spectrum of the first emitter includes a first peak (Imax) having a maximum intensity and a second peak (I2nd) having a second highest intensity, and a ratio (I2nd/Imax) of an intensity of the second peak to an intensity of the first peak is less than or equal to 0.5. The capping layer includes an amine-fee compound.

公开(公告)号：US20230380258A1

公开(公告)日：2023-11-23

申请号：US18187571

申请日：2023-03-21

Applicant: Samsung Display Co., LTD.

Inventor： Dongsun Yoo ,  Donguk Kang ,  Gyeongheon Kim ,  Sohae Kim ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Yongsub Shim

IPC: H10K85/30 ,  H10K50/11 ,  H10K10/46 ,  C07F15/00

CPC classification number: H10K85/342 ,  H10K50/11 ,  H10K10/46 ,  C07F15/0033

Abstract: Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound represented by Formula 1, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device. The organometallic compound Formula 1 is as described in the present specification.


M(L1)n1(L2)n2  Formula 1

公开(公告)号：US20240196725A1

公开(公告)日：2024-06-13

申请号：US18461978

申请日：2023-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Dongsun Yoo ,  Donguk Kang ,  Gyeongheon Kim ,  Seran Kim ,  Sohae Kim ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Yongsub Shim

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  H10K50/11

Abstract: Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device that include the light-emitting device. In Formula 1, L1 may be a ligand represented by Formula 2, and Formulae 1 and 2 are described in more detail in the specification.

公开(公告)号：US20240116967A1

公开(公告)日：2024-04-11

申请号：US18207615

申请日：2023-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sohae Kim ,  Sooryun Cho ,  Gyeongheon Kim ,  Dongsun Yoo ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park

IPC: C07F15/00 ,  C09K11/06 ,  H10K50/11 ,  H10K50/16 ,  H10K50/18 ,  H10K50/82 ,  H10K85/30

CPC classification number: C07F15/0086 ,  C09K11/06 ,  H10K50/11 ,  H10K50/16 ,  H10K50/181 ,  H10K50/82 ,  H10K85/346 ,  C09K2211/1018

Abstract: Provided are a light-emitting device including an organometallic compound represented by Formula 1, an electronic device including the light-emitting device, and the organometallic compound represented by Formula 1. The organometallic compound emits light having a maximum emission wavelength of about 500 nm to about 650 nm and has a 3MLCT (%) ratio greater than or equal to 16.0%.

公开(公告)号：US20240114767A1

公开(公告)日：2024-04-04

申请号：US18241749

申请日：2023-09-01

Applicant: Samsung Display Co., Ltd.

Inventor： Dongsun Yoo ,  Donguk Kang ,  Gyeongheon Kim ,  Seran Kim ,  Sohae Kim ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Yongsub Shim

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  H10K50/11

Abstract: Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device. The first ligand, L1, of the organometallic compound may include a first polycyclic coordinate ring in which four or more rings are condensed with each other and a second polycyclic coordinate ring in which three or more rings are condensed with each other.


M1(L1)n1(L2)n2  Formula 1.

公开(公告)号：US20240040926A1

公开(公告)日：2024-02-01

申请号：US18322464

申请日：2023-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sohae Kim ,  Sooryun Cho ,  Gyeongheon Kim ,  Dongsun Yoo ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Youngmi Cho

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/346 ,  C07F15/0086 ,  C09K11/06 ,  H10K50/12

Abstract: The disclosure provides an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device including the light-emitting device.

公开(公告)号：US20230422597A1

公开(公告)日：2023-12-28

申请号：US18339045

申请日：2023-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sohae Kim ,  Donguk Kang ,  Gyeongheon Kim ,  Hochul Song ,  Sangho Jeon ,  Sunmi Choi

IPC: H10K85/30 ,  C09K11/06 ,  H10K85/60

CPC classification number: H10K85/342 ,  H10K50/12 ,  H10K85/636 ,  C09K11/06

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and a capping layer, wherein the emission layer includes a first emitter, the first emitter is configured to emit first light having a first emission spectrum, the capping layer is arranged in a path on which the first light is configured to travel, an emission peak wavelength of the first light is in a range of about 610 nm to about 720 nm, the first emitter includes iridium, the capping layer includes an amine-containing compound, a value of ratio of reflective index to full width at half maximum of the first light configured to be extracted to the outside through the capping layer is 2.0 or more, and the RRF value is calculated by Equation 1.