公开(公告)号：US10326081B2

公开(公告)日：2019-06-18

申请号：US13940169

申请日：2013-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwan-Hee Cho

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

Abstract: An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, a phosphorescent emission layer between the first electrode and the second electrode, an electron transportation layer between the phosphorescent emission layer and the second electrode, an electron control layer between the phosphorescent emission layer and the electron transportation layer, and an electron blocking layer between the phosphorescent emission layer and the first electrode. An organic light-emitting display apparatus includes the organic light-emitting device.

公开(公告)号：US10326080B2

公开(公告)日：2019-06-18

申请号：US15960254

申请日：2018-04-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Jae-Yong Lee ,  Dong-Hyun Kim ,  Se-Hun Kim ,  Chang-Woong Chu

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer including an emission layer between the first electrode and the second electrode. The emission layer includes at least one compound selected from carbazole-based compounds, and at least one compound selected from heterocyclic compounds as described in the detailed description.

公开(公告)号：US20190027698A1

公开(公告)日：2019-01-24

申请号：US15870587

申请日：2018-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Soo Bae ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Hye-In Jeong ,  Hwan-Hee Cho

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

Abstract: 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. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

公开(公告)号：US10158086B2

公开(公告)日：2018-12-18

申请号：US14252092

申请日：2014-04-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Se-Hun Kim ,  Dong-Hyun Kim ,  Chang-Woong Chu

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

Abstract: Provided is an organic light-emitting device including a first electrode; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode, the emission layer including at least one specific light-emitting material; and a hole-transporting region disposed between the first electrode and the emission layer, the hole-transporting region including at least one specific hole-transporting material.

公开(公告)号：US09972789B2

公开(公告)日：2018-05-15

申请号：US14598181

申请日：2015-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Jae-Yong Lee ,  Dong-Hyun Kim ,  Se-Hun Kim ,  Chang-Woong Chu

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/0072 ,  C09B57/00 ,  C09B57/008 ,  C09B57/10 ,  C09B69/008 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/5016 ,  H01L2251/308 ,  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, where the emission layer includes a first host represented by Formula 1 and a second host represented by Formula 2: The organic light-emitting device may have high efficiency and long lifespan.

公开(公告)号：US09768388B2

公开(公告)日：2017-09-19

申请号：US14326881

申请日：2014-07-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong-Hyun Kim ,  Mi-Kyung Kim ,  Se-Hun Kim ,  Hwan-Hee Cho ,  Sam-Il Kho ,  Hyoung-Kun Kim ,  Chang-Woong Chu

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5056

Abstract: An amine-based compound is represented by Formula 1 below: wherein Z11 to Z24, R1 to R4 and Ar1 are as indicated in the specification. An organic light-emitting diode includes the amine-based compound.

公开(公告)号：US20170186964A1

公开(公告)日：2017-06-29

申请号：US15263140

申请日：2016-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan-Hee Cho ,  Myeong-Suk Kim ,  Hee-Yeon Kim ,  Chang-Woong Chu

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

Abstract: According to one or more embodiments, 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, wherein the organic layer may include a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by Formula 2:

公开(公告)号：US20170179404A1

公开(公告)日：2017-06-22

申请号：US15377732

申请日：2016-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Wook Kim ,  Myeong-Suk Kim ,  Hwan-Hee Cho ,  Jin-Soo Hwang

IPC: H01L51/00 ,  C09K11/06 ,  C07D495/10 ,  C07D491/107 ,  C09K11/02

CPC classification number: H01L51/0071 ,  C07D491/107 ,  C07D495/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1048 ,  C09K2211/1051 ,  C09K2211/1092 ,  C09K2211/1096 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

Abstract: 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, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 501. The organic light-emitting device including the first compound and the second compound may have low driving voltage, high efficiency, and high luminance.

公开(公告)号：US20170125697A1

公开(公告)日：2017-05-04

申请号：US15227782

申请日：2016-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan-Hee Cho ,  Myeong-Suk Kim ,  Hee-Yeon Kim

IPC: H01L51/00 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C09K11/025 ,  H01L51/0052 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056

Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by one selected from Formulae 2-1 to 2-3: An organic light-emitting device including the first compound as host in the emission layer and the second compound in the hole transport region may have high efficiency and a long lifespan.

公开(公告)号：US09601698B2

公开(公告)日：2017-03-21

申请号：US14447583

申请日：2014-07-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Jae-Yong Lee ,  Dong-Hyun Kim ,  Se-Hun Kim ,  Chang-Woong Chu ,  Eun-Hwa Jang

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/0052 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5016 ,  H01L51/5024 ,  H01L2251/5384

Abstract: 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 and including an emission layer, wherein the emission layer includes at least one first host selected from compounds represented by Formula 1 and at least one second host selected from compounds represented by Formula 2: