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：US20180248125A1

公开(公告)日：2018-08-30

申请号：US15965772

申请日：2018-04-27

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  H01L51/52 ,  C09K11/02 ,  H01L51/50 ,  C09K11/06

CPC classification number: H01L51/0061 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/52 ,  H01L51/5271

Abstract: An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode; a second electrode facing the first electrode; a first layer between the first electrode and the second electrode, the first layer including a first compound; a second layer between the first layer and the second electrode, the second layer including a second compound; and a third layer between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *═N—*′ as a ring forming moiety, and wherein the first compound, the second compound, and the third compound each independently include at least one group selected from groups represented by Formulae A to C:

公开(公告)号：US09997711B2

公开(公告)日：2018-06-12

申请号：US15414726

申请日：2017-01-25

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L51/0054 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5012 ,  H01L2251/5384

Abstract: An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A to 2C.

公开(公告)号：US09905786B2

公开(公告)日：2018-02-27

申请号：US14857785

申请日：2015-09-17

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Younsun Kim ,  Yunho Lee ,  Jihyun Seo ,  Seulong Kim ,  Yeong-Eun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Changwoong Chu

IPC: H01L51/00 ,  C07F9/6568 ,  C09K11/02 ,  C07F9/28 ,  C07F9/64 ,  C09K11/06 ,  C07F9/6587 ,  H01L51/50

CPC classification number: H01L51/0091 ,  C07F9/6587 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/188 ,  H01L51/5016

Abstract: An organometallic complex represented by Formula 1-1 or Formula 1-2 is provided: wherein in Formulae 1-1 and 1-2, descriptions of R1 to R7, X1, X2, Y1 to Y4, rings A, B, C, and a to e are understood by referring to the description provided herein. An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer that is disposed between the first electrode and the second electrode and includes an emission layer, wherein the organic layer includes at least one organometallic complex represented by Formula 1-1 or Formula 1-2.

公开(公告)号：US09793496B2

公开(公告)日：2017-10-17

申请号：US14731011

申请日：2015-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Shin ,  Seulong Kim ,  Younsun Kim ,  Jungsub Lee ,  Naoyuki Ito

IPC: C07D223/14 ,  C07D401/04 ,  C07D403/04 ,  H01L51/00 ,  C09K11/06 ,  C07D401/02 ,  C09K11/02 ,  H05B33/14 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D223/14 ,  C07D401/02 ,  C07D403/04 ,  C09B1/00 ,  C09B57/00 ,  C09B57/008 ,  C09B57/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5008 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H05B33/14

Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1: (A1)a1-(L1)b1-(A2)a2   wherein, in Formula 1, A1 is a group represented by Formula 2-1, below, a1 is 1, 2, or 3, and, when a1 is 2 or greater, two or more A1s are identical to or different from each other, A2 is a group represented by Formula 2-2, below, a2 is 1, 2, or 3, and, when a2 is 2 or greater, two or more A2s are identical to or different from each other,

公开(公告)号：US09793495B2

公开(公告)日：2017-10-17

申请号：US14634096

申请日：2015-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0072 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0074 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/308

Abstract: An OLED device including a first electrode; a second electrode; and an organic layer, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, the hole transport region including at least one of a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the emission layer includes at least one host (H) and at least one phosphorescent dopant (D), an electron affinity (EA) and an ionization potential (IP) simultaneously satisfying the relationships represented by Equation (1) and Equation (2) below: EA(D)−EA(H)≧0.2 eV  (1) IP(H)−IP(D)≧0.2 eV  (2).

公开(公告)号：US09793487B2

公开(公告)日：2017-10-17

申请号：US15158479

申请日：2016-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Naoyuki Ito ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee

IPC: H01L51/50 ,  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:

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: