公开(公告)号：US11316125B2

公开(公告)日：2022-04-26

申请号：US16407810

申请日：2019-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Seulong Kim ,  Sungsoo Bae ,  Tsuyoshi Naijo ,  Jaeweon Hur ,  Hyein Jeong

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00 ,  H01L27/32

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, a mixed layer, and a hole transport region, the hole transport region is between the emission layer and the first electrode, the mixed layer is between the hole transport region and the emission layer, and comprises a first compound and a second compound, the first compound comprises an anthracene-based compound represented by Formula 1, and the second compound comprises an amine-based compound represented by Formula 2. A display apparatus includes the organic light-emitting device.

公开(公告)号：US20210376253A1

公开(公告)日：2021-12-02

申请号：US17326929

申请日：2021-05-21

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Hyein Jeong

IPC: H01L51/00 ,  C07D239/74

Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1, in which at least one of X1 to X4 is a nitrogen atom, and at least one is carbon atom substituted by Formula 1A: The heterocyclic compound represented by Formula 1 may have excellent electron transport capability, and the organic light-emitting device may accordingly have low driving voltage, high efficiency, high luminance, and/or long lifespan characteristics.

公开(公告)号：US20210257559A1

公开(公告)日：2021-08-19

申请号：US17239490

申请日：2021-04-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younsun Kim ,  Seulong Kim ,  Jungsub Lee ,  Jino Lim ,  Hyein Jeong ,  Dongwoo Shin

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2, wherein a case where the first compound is 4,4′-bis(N-carbazolyl)-1,1′-biphenyl (CBP) is excluded:

公开(公告)号：US10756274B2

公开(公告)日：2020-08-25

申请号：US15480471

申请日：2017-04-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younsun Kim ,  Seulong Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Jino Lim ,  Hyein Jeong

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:

公开(公告)号：US10573692B2

公开(公告)日：2020-02-25

申请号：US16134853

申请日：2018-09-18

Applicant: Samsung Display Co., Ltd

Inventor： Jino Lim ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Hyein Jeong

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

Abstract: An electronic apparatus that is presented has a substrate; an organic light-emitting device disposed on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device and comprising at least one organic film. The organic film includes a cured product of a composition for forming an organic film, the composition comprising a curable material and an ultraviolet (UV) absorber. The curable material includes a (meth)acrylate compound. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

公开(公告)号：US20180240982A1

公开(公告)日：2018-08-23

申请号：US15700344

申请日：2017-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEHUN KIM ,  Sooyoung Park ,  Chihyun Ryoo ,  Illhun Cho ,  Junghoon Yang ,  Seyoung Jung ,  Hyein Jeong

IPC: H01L51/00 ,  C07D265/38 ,  C07D213/16

CPC classification number: H01L51/0071 ,  C07D213/16 ,  C07D265/38 ,  H01L51/0059

Abstract: A polycyclic compound and an organic light-emitting device including the same are provided. The polycyclic compound is represented by Formula 1:

公开(公告)号：US09847491B2

公开(公告)日：2017-12-19

申请号：US15140379

申请日：2016-04-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinsoo Hwang ,  Seokgyu Yoon ,  Hyein Jeong

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0061 ,  H01L51/0052 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5064

Abstract: An organic light-emitting device including: a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer, wherein the hole transport region comprises a first compound represented by Formula 1 and a second compound represented by Formula 2: When the first compound represented by Formula 1 and the second compound represented by Formula 2 are used in the hole transport layer and the hole auxiliary layer, respectively, an organic light-emitting device may have improved driving voltage, efficiency, brightness, and lifespan characteristics.

公开(公告)号：US20170186975A1

公开(公告)日：2017-06-29

申请号：US15229751

申请日：2016-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Younsun Kim ,  Seulong Kim ,  Jungsub Lee ,  Jino Lim ,  Hyein Jeong ,  Dongwoo Shin

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5008 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5076 ,  H01L51/5092 ,  H01L2251/5384

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2, wherein a case where the first compound is 4,4′-bis(N-carbazolyl)-1,1′-biphenyl(CBP) is excluded:

公开(公告)号：US20170179416A1

公开(公告)日：2017-06-22

申请号：US15294638

申请日：2016-10-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jino Lim ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Hyein Jeong

IPC: H01L51/50 ,  C09K11/02 ,  H01L51/00 ,  C09K11/06

CPC classification number: H01L51/504 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5096

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein at least one selected from the hole transport region and the emission layer includes a first compound represented by Formula 1A or 1B, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2A or 2B:

公开(公告)号：US20170179204A1

公开(公告)日：2017-06-22

申请号：US15292040

申请日：2016-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jino Lim ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Hyein Jeong

IPC: H01L27/32 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L27/3211 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein at least one selected from the hole transport region and the emission layer includes a first compound represented by Formula 1A or 1B, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2: