公开(公告)号：US20200303659A1

公开(公告)日：2020-09-24

申请号：US16086204

申请日：2017-03-15

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Kyoung Moo Koh ,  Mark E. Ondari ,  Sukrit Mukhopadhyay ,  Timothy J. Gallagher ,  Hong-Yeop Na

IPC: H01L51/00 ,  C07D239/74

Abstract: Provided is a composition comprising one or more phenanthroquinazoline-core compounds having structure (I) wherein each of R1 and R2 is independently a substituted or unsubstituted phenyl group.

公开(公告)号：US20180351113A1

公开(公告)日：2018-12-06

申请号：US15757725

申请日：2016-09-20

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hee-Choon Ahn

IPC: H01L51/00 ,  C07D409/10 ,  C07D409/14 ,  C09K11/02

CPC classification number: H01L51/0074 ,  C07D409/10 ,  C07D409/14 ,  C09K11/025 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5008 ,  H01L51/5016 ,  H01L51/5072 ,  H01L51/508 ,  H01L2251/5384

Abstract: The present disclosure relates to organic electroluminescent compounds, and a host material, an electron buffer material, an electron transport material and an organic electroluminescent device comprising the same. By using the organic electroluminescent compounds of the present disclosure, the organic electroluminescent device secures fast electron current properties by intermolecular stacking and interaction, and thus, it is possible to provide the organic electroluminescent device having low driving voltage and/or excellent luminous efficiency and/or efficient lifespan properties.

公开(公告)号：US20190074448A1

公开(公告)日：2019-03-07

申请号：US15774288

申请日：2016-11-01

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Young-Mook Lim ,  Bitnari Kim

IPC: H01L51/00 ,  C07D495/04 ,  C07D491/048 ,  C07D403/10 ,  C07D209/86 ,  C07D209/08

CPC classification number: H01L51/0072 ,  C07D209/08 ,  C07D209/86 ,  C07D403/10 ,  C07D491/048 ,  C07D495/04 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5024 ,  H01L2251/5384

Abstract: The present disclosure relates to a host material and an organic electroluminescent device comprising the same. By using a specific combination of two or more host compounds according to the present disclosure, the organic electroluminescent device of the present disclosure has luminous efficiency at least equivalent to or higher than conventional devices and has lifespan better than conventional devices.

公开(公告)号：US20170005276A1

公开(公告)日：2017-01-05

申请号：US15125611

申请日：2015-03-17

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik Kim ,  Hyo-Jung Lee ,  Su-Hyun Lee ,  Ji-Song Jun ,  Jeong-Eun Yang ,  Jae-Hoon Shim ,  Kyung-Hoon Choi ,  Young-Jun Cho ,  Jeong-Hwan Jeon ,  Hong-Yoep Na ,  Sang-He Cho

IPC: H01L51/00 ,  C07D409/14 ,  C07D403/10 ,  C07D403/14 ,  C07D495/04

CPC classification number: H01L51/0072 ,  C07D401/04 ,  C07D401/14 ,  C07D403/04 ,  C07D403/10 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D417/14 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  C07F7/081 ,  C09K11/06 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0074 ,  H01L51/5004 ,  H01L51/5008 ,  H01L51/5064 ,  H01L51/5068 ,  H01L51/5096 ,  H01L51/52 ,  H01L2251/552

Abstract: The present disclosure relates to an electron buffering material, and an organic electroluminescent device comprising a first electrode, a second electrode facing the first electrode, a light-emitting layer between the first electrode and the second electrode, and an electron transport zone and an electron buffering layer between the light-emitting layer and the second electrode. The organic electroluminescent device comprising the electron buffering material of the present disclosure has a low driving voltage, excellent luminous efficiency, and long lifespan.

Abstract translation: 本发明涉及电子缓冲材料和有机电致发光器件，其包括第一电极，面向第一电极的第二电极，第一电极和第二电极之间的发光层，以及电子传输区和电子 在发光层和第二电极之间的缓冲层。 包含本公开的电子缓冲材料的有机电致发光器件具有低驱动电压，优异的发光效率和长寿命。

公开(公告)号：US12228858B2

公开(公告)日：2025-02-18

申请号：US16176245

申请日：2018-10-31

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Jae Hwan Sim ,  Suwoong Kim ,  Jin Hong Park ,  Myung Yeol Kim ,  Yoo-Jin Ghang ,  Jae-Bong Lim

IPC: G03F7/09 ,  C07D251/32 ,  C08F224/00 ,  C08G71/00 ,  C08G73/06 ,  G03F7/004 ,  G03F7/11 ,  G03F7/16 ,  G03F7/20 ,  G03F7/30 ,  G03F7/32 ,  G03F7/38

Abstract: A monomer represented by Chemical Formula (1): wherein, X, Y, and Z are the same as described in the specification, and the polymer including repeat units derived from the monomer.

公开(公告)号：US20240381764A1

公开(公告)日：2024-11-14

申请号：US18594285

申请日：2024-03-04

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Jeong-Eun YANG ,  Ga-Won LEE ,  Hee-Ryong KANG ,  Hyo-Soon PARK ,  Sang-Hee CHO ,  Jeong-Hwan JEON

IPC: H10K85/60 ,  C09K11/06

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device with improved driving voltage, luminous efficiency and/or lifespan properties can be provided by comprising the specific combination of compounds according to the present disclosure as a host material, or by comprising compounds according to the present disclosure.

公开(公告)号：US20240341110A1

公开(公告)日：2024-10-10

申请号：US18441092

申请日：2024-02-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Bitnari KIM ,  Young-Jae KIM ,  Hee-Ryong KANG ,  Sang-Hee CHO ,  So-Young JUNG ,  Tae-Jun HAN ,  Mi-Ran SEO

IPC: H10K50/11 ,  H10K85/60 ,  H10K101/00

CPC classification number: H10K50/11 ,  H10K85/622 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/90

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by the following Formula 1 and at least one second host compound represented by the following Formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of host materials according to the present disclosure in the light-emitting layer, an organic electroluminescent device exhibiting low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be manufactured.

公开(公告)号：US12114561B2

公开(公告)日：2024-10-08

申请号：US17287953

申请日：2019-10-25

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik Kim ,  Soo-Yong Lee ,  Seung-Hoon Yoo ,  Dong-Hyung Lee ,  Tae-Jin Lee

IPC: H10K85/60 ,  H10K50/15

CPC classification number: H10K85/626 ,  H10K85/622 ,  H10K85/624 ,  H10K85/636 ,  H10K85/653 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/15

Abstract: The present disclosure relates to a plurality of light-emitting materials comprising at least one of first compounds and at least one of second compounds, wherein the first compound is represented by formula 1, and the second compound is represented by formula 2, and an organic electroluminescent device having improved lifetime properties can be provided by comprising the plurality of light-emitting materials.

公开(公告)号：US20240301252A1

公开(公告)日：2024-09-12

申请号：US18593521

申请日：2024-03-01

Applicant: Rohm and Haas Electronic Materials Korea Ltd. ,  DuPont Toray Specialty Materials Kabushiki Kaisha

Inventor： Hyunji Kang ,  Shunya TAKEUCHI ,  Mayumi MATSUZAKI ,  Yuri IGUCHI

IPC: C09J11/04 ,  C08G77/00 ,  C08G77/14 ,  C08G77/20 ,  C08K3/22 ,  C08K3/36 ,  C09J183/04

CPC classification number: C09J11/04 ,  C08K3/22 ,  C08K3/36 ,  C09J183/04 ,  C08G77/14 ,  C08G77/20 ,  C08G77/70 ,  C08G77/80 ,  C08K2003/2241

Abstract: A curable silicone composition comprising at least one curing reactive organopolysiloxane in an amount of 65% by weight or more relative to the total weight of the composition, at least one inorganic filler selected from silica, silica-titania composite oxide particle, and a combination thereof, in an amount of 1% by weight or more relative to the total weight of the composition, and at least one additive selected from (C1) organopolysiloxane having at least one organic functional group including at least one polyether structure at molecular side chain and/or molecular terminal; (C2) organosilane compound comprising at least one organic functional group selected from a C1-C6alkyl group, aryl group, and epoxy group, (C3) organopolysiloxane having at least one hydroxy group and at least one aryl group; (C4) organosiloxane oligomer having at least one epoxy group; (C5) unsaturated carboxylic acid or an ester thereof, and combinations thereof.

公开(公告)号：US12082496B2

公开(公告)日：2024-09-03

申请号：US17042652

申请日：2019-03-26

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Bitnari Kim ,  Sang-Hee Cho ,  Hyo-Jung Lee ,  Ye-Jin Jeon ,  Hyun-Ju Kang ,  Su-Hyun Lee ,  Jeong-Eun Yang

IPC: C09K11/06 ,  C07D209/86 ,  C07D209/88 ,  C07D403/04 ,  C07D403/10 ,  C07D487/16 ,  C07F15/00 ,  C09K11/02 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K101/00

CPC classification number: H10K85/636 ,  C07D209/86 ,  C07D209/88 ,  C07D403/04 ,  C07D403/10 ,  C07D487/16 ,  C07F15/0033 ,  C09K11/02 ,  C09K11/06 ,  H10K85/342 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6572 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H10K50/11 ,  H10K85/615 ,  H10K85/626 ,  H10K2101/90

Abstract: The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device of the present disclosure, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.