公开(公告)号：US20230139500A1

公开(公告)日：2023-05-04

申请号：US17953603

申请日：2022-09-27

申请人： Samsung Electronics Co., Ltd. ,  Seoul National University R&DB Foundation

发明人： Tae Gon KIM ,  Jwa-Min Nam ,  Minho KIM ,  Mi Hye LIM ,  Yoonjae Jung ,  YOONHEE KIM ,  Shin Ae JUN ,  Jae-Ho Hwang ,  Yeonhee Lee

IPC分类号： C09K11/88 ,  H01L27/32 ,  G02F1/13357 ,  C09K11/08 ,  C09K11/02

摘要： A nanostructure including a metal core, a metal shell surrounding the metal core, and a dielectric layer disposed between the metal core and the metal shell and including a quantum dot, a composite including the nanostructure, a display panel including the composite, and an electronic device including the display panel.

公开(公告)号：US20230126850A1

公开(公告)日：2023-04-27

申请号：US18079430

申请日：2022-12-12

申请人： Merck Patent GmbH

发明人： Amir Hossain PARHAM ,  Elvira MONTENEGRO ,  Anja JATSCH ,  Christof PFLUMM ,  Jonas Valentin KROEBER ,  Tobias GROSSMANN ,  Thomas EBERLE ,  Lars DOBELMANN-MARA

IPC分类号： C09K11/06 ,  C07D405/10 ,  C07F15/00 ,  C07D405/04 ,  C07D409/04 ,  C07D307/94 ,  C07F9/655 ,  C07F5/02 ,  C09K11/02

摘要： The present invention relates to spiro compounds containing electron-conducting groups and to electronic devices, in particular organic electroluminescent devices, comprising these compounds.

公开(公告)号：US20230126221A1

公开(公告)日：2023-04-27

申请号：US17955933

申请日：2022-09-29

申请人： Universal Display Corporation

发明人： LICHANG ZENG ,  Ting-Chih Wang ,  Alexey Borisovich Dyatkin ,  Chuanjun Xia

IPC分类号： H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H05B33/20

摘要： A mixture of carbazole and triazine derivatives that can be thermally evaporated from one crucible to fabricate thin films for electroluminescent devices is disclosed.

公开(公告)号：US20230125939A1

公开(公告)日：2023-04-27

申请号：US17994035

申请日：2022-11-25

申请人： Merck Patent GmbH

发明人： Amir Hossain PARHAM ,  Anja JATSCH ,  Thomas EBERLE ,  Tobias GROSSMANN ,  Jonas Valentin KROEBER ,  Lars DOBELMANN-MARA

IPC分类号： H01L51/00 ,  C07D403/14 ,  C07D409/14 ,  C07D407/14 ,  C07D251/24 ,  C07D403/04 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D409/04 ,  C07D487/04 ,  C07D491/06 ,  C07D495/04 ,  C09K11/02 ,  C09K11/06

摘要： The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.

公开(公告)号：US20230124428A1

公开(公告)日：2023-04-20

申请号：US17943919

申请日：2022-09-13

申请人： UNIVERSAL DISPLAY CORPORATION

发明人： Chun LIN ,  Zhiqiang JI ,  Lichang ZENG

IPC分类号： H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  C07F15/00 ,  H01L51/52 ,  H01L51/50

摘要： A ligand for metal complexes are disclosed, in which an imidazole ring is fused to an aromatic ring as a substituent or an imidazole ring is fused to a six-member ring of the original ligand. The features of these elements within the ligand afford a better device performance in general OLED device.

公开(公告)号：US20230121594A1

公开(公告)日：2023-04-20

申请号：US17851496

申请日：2022-06-28

申请人： Universal Display Corporation

发明人： Geza SZIGETHY ,  Joseph A. MACOR ,  Neil PALMER

IPC分类号： H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07F15/00

摘要： The present disclosure provides a compound including a first ligand LA of Formula I, In Formula I, ring A is a 7 to 12-membered heterocyclic ring that is fused to ring B, which is a 5-membered or 6-membered heterocyclic ring; ring C is a 5- or 6-membered ring; n is 1 or 2; X is selected from B, N, Al, In, and Ga; each W is selected from NR, O, S, Se, SO, SO2, BR, CRR′, C═CRR′, SiRR′, PRR′, and GeRR′; each of Z1, Z2, and Z3 is independently C or N; at least one of Z1, Z2, and Z3 is N; each R, R′, RA, RB, and RC is hydrogen or general substituent; each of K1 and K2 is a direct bond, O, or S; LA is coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also disclosed.

公开(公告)号：US11629232B2

公开(公告)日：2023-04-18

申请号：US16997737

申请日：2020-08-19

申请人： LUMILEDS LLC

发明人： Daniel B. Roitman ,  Danielle R. Chamberlin ,  David B. Roberts

IPC分类号： C08G77/08 ,  H01L33/50 ,  H01L33/56 ,  C08G77/06 ,  C08J5/18 ,  C09K11/02 ,  C09K11/08

摘要： The present invention encompasses materials and methods for catalyzing the cross-linking and curing of siloxane polymers. In particular, the present disclosure provides materials, methods, and conditions for vapor phase catalysis for curing organosiloxane polymers and resins, including resin linear organosiloxane block copolymers, as well as the incorporation of those methods into processes for making light emitting devices, including light emitting diodes.

公开(公告)号：US20230113918A1

公开(公告)日：2023-04-13

申请号：US17760128

申请日：2021-02-04

申请人： KYULUX, INC.

发明人： Hiroaki OZAWA

IPC分类号： C09K11/02 ,  C09K11/06 ,  C07D491/048 ,  H01L51/00 ,  C07D491/153

摘要： To improve the emission efficiency, the driving voltage and the lifetime of an organic light-emitting device using a delayed fluorescent material. A host material for a delayed fluorescent material, containing a compound represented by the following general formula: R1 to R5 each are a substituent not containing a cyano group. n1 to n5 each are 0 to 4, Ar is a monocyclic arylene group or a monocyclic heteroarylene group.

公开(公告)号：US11626561B2

公开(公告)日：2023-04-11

申请号：US16808515

申请日：2020-03-04

申请人： Merck Patent GmbH

发明人： Amir Hossain Parham ,  Anja Jatsch ,  Thomas Eberle ,  Tobias Grossmann ,  Jonas Valentin Kroeber ,  Lars Dobelmann-Mara

IPC分类号： H01L51/50 ,  H01L51/00 ,  C07D403/14 ,  C07D409/14 ,  C07D407/14 ,  C07D251/24 ,  C07D403/04 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D409/04 ,  C07D487/04 ,  C07D491/06 ,  C07D495/04 ,  C09K11/02 ,  C09K11/06

摘要： The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.

公开(公告)号：US11621403B2

公开(公告)日：2023-04-04

申请号：US17080069

申请日：2020-10-26

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Nayoun Won ,  Mi Hye Lim ,  Tae Gon Kim ,  Taekhoon Kim ,  Shang Hyeun Park ,  Shin Ae Jun

IPC分类号： H01L51/50 ,  C09K11/88 ,  C09K11/02 ,  C09K11/70 ,  C09K11/56

摘要： A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.