公开(公告)号：US20220077406A1

公开(公告)日：2022-03-10

申请号：US17466372

申请日：2021-09-03

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Yoo Jin DOH ,  Soo-Yong LEE ,  Chi-Sik KIM ,  Seung-Hoon YOO ,  Dong-Hyung LEE ,  Doo-Hyeon MOON ,  Soo-Jin HWANG

IPC: H01L51/00

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device according to the present disclosure may exhibit low voltage, high efficiency, and/or long lifespan by including a light-emitting layer and an electron buffer layer comprising a specific organic electroluminescent material.

公开(公告)号：US20240147845A1

公开(公告)日：2024-05-02

申请号：US18530611

申请日：2023-12-06

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Kyoung-Jin PARK ,  Tae-Jin LEE ,  Jae-Hoon SHIM ,  Yoo Jin DOH ,  Hee-Choon AHN ,  Young-Kwang KIM ,  Doo-Hyeon MOON ,  Jeong-Eun YANG ,  Su-Hyun LEE ,  Chi-Sik KIM ,  Ji-Song JUN

IPC: H10K85/60 ,  C07D209/86 ,  C07D405/14 ,  C07D409/14 ,  C09K11/02 ,  C09K11/06 ,  H05B33/20

CPC classification number: H10K85/633 ,  C07D209/86 ,  C07D405/14 ,  C07D409/14 ,  C09K11/025 ,  C09K11/06 ,  H05B33/20 ,  H10K85/631 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H10K50/11

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

公开(公告)号：US20220102633A1

公开(公告)日：2022-03-31

申请号：US17532294

申请日：2021-11-22

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Kyoung-Jin PARK ,  Tae-Jin LEE ,  Jae-Hoon SHIM ,  Yoo Jin DOH ,  Hee-Choon AHN ,  Young-Kwang KIM ,  Doo-Hyeon MOON ,  Jeong-Eun YANG ,  Su-Hyun LEE ,  Chi-Sik KIM ,  Ji-Song JUN

IPC: H01L51/00 ,  C09K11/06 ,  H05B33/20 ,  C07D209/86 ,  C07D405/14 ,  C07D409/14 ,  C09K11/02

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

公开(公告)号：US20220102644A1

公开(公告)日：2022-03-31

申请号：US17532265

申请日：2021-11-22

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Kyoung-Jin PARK ,  Tae-Jin LEE ,  Jae-Hoon SHIM ,  Yoo Jin DOH ,  Hee-Choon AHN ,  Young-Kwang KIM ,  Doo-Hyeon MOON ,  Jeong-Eun YANG ,  Su-Hyun LEE ,  Chi-Sik KIM ,  Ji-Song JUN

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

Abstract: The present invention relates to an organic electroluminescent device. The organic electroluminescent device of the present invention shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

公开(公告)号：US20190198765A1

公开(公告)日：2019-06-27

申请号：US16309001

申请日：2016-06-28

Applicant: Dow Global Technologies LLC ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD. ,  Rohm and Hass Electonic Materials LLC

Inventor： David D. DEVORE ,  Yoo Jin DOH ,  Shaoguang FENG ,  David D. GRIGG ,  Yang LI ,  Chun LIU ,  Sukrit MUKHOPADHYAY ,  Hong-Yeop NA ,  Matthew S. REMY ,  Liam P. SPENCER ,  Anatoliy N. SOKOLOV ,  Peter TREFONAS, III ,  Minrong ZHU ,  Ashely INMAN ,  John W. KRAMER

IPC: H01L51/00

CPC classification number: H01L51/0035 ,  C07D209/82 ,  H01L51/00 ,  H01L51/0007 ,  H01L51/0034 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5056 ,  H01L51/5072

Abstract: A single liquid phase formulation useful for producing an organic charge transporting film. The formulation contains: (a) a polymer having Mn at least 4,000 and comprising polymerized units of a compound of formula NAr1Ar2Ar3, wherein Ar1, Ar2 and Ar3 independently are C6-C50 aromatic substituents and at least one of Ar1, Ar2 and Ar3 contains a vinyl group attached to an aromatic ring; provided that said compound contains no arylmethoxy linkages; (b) an acid catalyst which is is an organic Bronsted acid with pKa≤4; a Lewis acid comprising a positive aromatic ion and an anion which is (i) a tetraaryl borate having the formula (I) wherein R represents zero to five non-hydrogen substituents selected from D, F and CF3, (ii) BF4−, (iii) PF6−, (iv) SbF6−, (v) AsF6− or (vi) ClO4−; or a thermal acid generator.