公开(公告)号：US20210066618A1

公开(公告)日：2021-03-04

申请号：US17004558

申请日：2020-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu KANG ,  Jin KIM ,  Dongkyu LEE ,  Hyunshik LEE ,  Jungho CHOI ,  Jaehoon HWANG

IPC: H01L51/00

Abstract: The present application relates to an organic light-emitting device and a flat display apparatus including the same. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of m between the first electrode and the second electrode; and charge generation layers in the number of m−1 respectively between each pair of adjacent light-emitting units among the light-emitting units in the number of m, each charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein m is an integer of 3 or more, the light-emitting units in the number of m each include a hole transport region, an emission layer, and an electron transport region, which are sequentially stacked, electron transport regions in the number of m included in the light-emitting units in the number of m each include an electron transport material, and an electron transport material included in at least one electron transport region among the electron transport regions in the number of m is different from an electron transport material included in at least one electron transport region among the other electron transport regions.

公开(公告)号：US20190165054A1

公开(公告)日：2019-05-30

申请号：US16198301

申请日：2018-11-21

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoyeon KIM ,  Jimyoung YE ,  Yiseul KIM ,  Byeongwook YOO ,  Jaehoon HWANG

IPC: H01L27/32 ,  H01L51/50

Abstract: A light-emitting device includes: a plurality of first electrodes disposed according to a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, respectively; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first sub-pixel and emitting first color light; a third emission layer disposed in the third sub-pixel and emitting third color light; a fourth emission layer disposed in the fourth sub-pixel and emitting near-infrared (NIR) light having a maximum emission wavelength of about 680 nm or more; and a first layer integrated with the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel.

公开(公告)号：US20190081252A1

公开(公告)日：2019-03-14

申请号：US16130396

申请日：2018-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongsuk KIM ,  Seulong KIM ,  Soobyung KO ,  Jimyoung YE ,  Byeongwook YOO ,  Jaehoon HWANG

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  C07F15/00

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The organic layer includes at least one of the organometallic compound.

公开(公告)号：US20190058132A1

公开(公告)日：2019-02-21

申请号：US16103620

申请日：2018-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook YOO ,  Yiseul KIM ,  Jimyoung YE ,  Myeongsuk KIM ,  Jaehoon HWANG ,  Wonjong KIM ,  Jihwan YOON

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and a hole transport region between the first electrode and the emission layer, wherein the emission layer includes a near-infrared (NIR) light-emitting compound having a maximum emission wavelength of about 680 nm or more, and the hole transport region includes a compound represented by Formula 101:

公开(公告)号：US20180287084A1

公开(公告)日：2018-10-04

申请号：US15937070

申请日：2018-03-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Heungsu PARK ,  Jihwan YOON ,  Sangwoo LEE ,  Jaehoon HWANG

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5004 ,  H01L27/3244 ,  H01L27/3262 ,  H01L27/3265 ,  H01L51/5008 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5206 ,  H01L51/5221 ,  H01L2251/552

Abstract: An organic light emitting element includes a first electrode; a first organic layer on the first electrode; a second organic layer on the first organic layer; a second electrode on the second organic layer; and a mixed layer between the first organic layer and the second organic layer. A gap between a highest occupied molecular orbital (HOMO) energy level of the first organic layer and a lowest unoccupied molecular orbital (LUMO) energy level of the second organic layer may be in a range from about 1.35 eV to about 1.70 eV. The mixed layer may emit light having a wavelength in a range from about 740 nm to about 950 nm by exciplex.

公开(公告)号：US20230180606A1

公开(公告)日：2023-06-08

申请号：US18160631

申请日：2023-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Jaeyong LEE ,  Taekyung KIM ,  Minkyung KIM ,  Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Soonchul CHANG ,  Jaehoon HWANG

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6572 ,  H10K85/631 ,  H10K85/636 ,  H10K85/654 ,  H10K85/626 ,  H10K50/11 ,  H10K85/615 ,  H10K50/15 ,  H10K2101/30 ,  H10K50/16 ,  H10K2101/40 ,  H10K50/19

Abstract: Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

公开(公告)号：US20220328768A1

公开(公告)日：2022-10-13

申请号：US17709742

申请日：2022-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Pilgu KANG ,  Hajin SONG ,  Jihwan YOON ,  Yangjin CHO ,  Jungho CHOI ,  Jaehoon HWANG

IPC: H01L51/00

Abstract: Provided are a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The heterocyclic compound is represented by Formula 1, which is explained in the specification. The light-emitting device is capable of maintaining efficiency and color expression at constant levels.

公开(公告)号：US20210028368A1

公开(公告)日：2021-01-28

申请号：US16933751

申请日：2020-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung SONG ,  Seulong KIM ,  Pilgu KANG ,  Eungyoung PARK ,  Soonchul CHANG ,  Dongseob JEONG ,  Jaehoon HWANG

IPC: H01L51/00 ,  C07C15/38 ,  C09K11/06

Abstract: A condensed cyclic compound is represented by Formula 1 and satisfies Equation 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including at least one light-emitting unit; and at least one of the condensed cyclic compound. |EH,HOMO−EH,HOMO-1|≤0.3 eV  Equation 1

公开(公告)号：US20200006677A1

公开(公告)日：2020-01-02

申请号：US16434061

申请日：2019-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongsuk KIM ,  Jimyoung YE ,  Byeongwook YOO ,  Jihwan YOON ,  Jaehoon HWANG ,  Sunjae KIM ,  Jaeho JEONG

IPC: H01L51/00 ,  H01L27/32 ,  C07F15/00 ,  C09K11/06

Abstract: An organometallic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and at least one of the organometallic compound represented by Formula 1. An apparatus includes the organic light-emitting device.

公开(公告)号：US20190245154A1

公开(公告)日：2019-08-08

申请号：US16260104

申请日：2019-01-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung YE ,  Myeongsuk KlM ,  Byeongwook YOO ,  Yiseul KIM ,  Hyoyeon KIM ,  Jaehoon HWANG

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  C07F15/00

CPC classification number: H01L51/0087 ,  C07F15/002 ,  C07F15/0033 ,  C07F15/0086 ,  H01L27/3246 ,  H01L27/3276 ,  H01L51/0085 ,  H01L51/0088 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092

Abstract: An organic electroluminescent device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region, wherein the emission layer includes an organometallic compound represented by Formula 1.