公开(公告)号：US20210119134A1

公开(公告)日：2021-04-22

申请号：US17065742

申请日：2020-10-08

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

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

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C09K11/02 ,  H01L51/50

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 high color purity and/or long lifespan properties can be provided by comprising the plurality of light-emitting materials.

公开(公告)号：US20140357866A1

公开(公告)日：2014-12-04

申请号：US14362126

申请日：2012-11-30

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Chi-Sik Kim ,  Soo-Yong Lee ,  Soo-Jin Yang ,  Seung-Ae Kim ,  Kyoung-Jin Park ,  Hyuck-Joo Kwon ,  Kyung-Joo Lee ,  Bong-Ok Kim

IPC: H01L51/00

CPC classification number: H01L51/0067 ,  C07B59/002 ,  C07D401/10 ,  C07D401/14 ,  C07D403/04 ,  C07D403/10 ,  C07D403/14 ,  C07D405/14 ,  C07D491/048 ,  C07D495/04 ,  C07F7/0814 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1051 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0071 ,  H01L51/0077 ,  H01L51/0085 ,  H01L51/5016 ,  Y02B20/181

Abstract: The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device containing the same. Using the organic electroluminescent compounds of the present invention, it is possible to manufacture an OLED device with a long operating lifespan and high luminous efficiency. In addition, the compounds can improve the power efficiency of the device to reduce overall power consumption.

Abstract translation: 本发明涉及一种新的有机电致发光化合物和含有它的有机电致发光器件。 使用本发明的有机电致发光化合物，可以制造具有长使用寿命和高发光效率的OLED器件。 此外，这些化合物可以提高器件的功率效率，从而降低整体功耗。

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：US20220396533A1

公开(公告)日：2022-12-15

申请号：US17824461

申请日：2022-05-25

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik Kim ,  Yeon Gun Lee ,  DaiKyu Kim ,  Soo-Yong Lee ,  Seung-Hoon Yoo

IPC: C07B59/00 ,  C07C15/20

Abstract: The present disclosure provides a method for preparing a deuterated organic compound in good yield even though a reduced amount of benzene-D6 is used by using a solvent comprising a benzene-based compound not substituted with deuterium or partially substituted with deuterium.

公开(公告)号：US20210210684A1

公开(公告)日：2021-07-08

申请号：US17119671

申请日：2020-12-11

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Dong Hyung Lee ,  Chi-Sik Kim ,  Soo-Yong Lee ,  Seung-Hoon Yoo ,  Doo-Hyeon Moon ,  Hyun-Woo Kang

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  C07C211/61

Abstract: The present disclosure relates to a plurality of organic electroluminescent materials comprising at least one first compound and at least one second compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds, in which the first compound is represented by formula 1 and the second compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved lifetime properties,

公开(公告)号：US12096687B2

公开(公告)日：2024-09-17

申请号：US17347249

申请日：2021-06-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD. ,  DuPont Electronics, Inc.

Inventor： Yoo-Jin Doh ,  Chi-Sik Kim ,  Soo-Yong Lee ,  Seung-Hoon Yoo ,  Viacheslav V Diev ,  Charles D McLaren ,  Yunlong Zou ,  Mi-Ran Seo ,  Denis Yurievich Kondakov

IPC: C07D307/77 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6574 ,  C07D307/77 ,  C09K11/06 ,  H10K85/615 ,  C09K2211/1018 ,  H10K50/11

Abstract: The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.