Abstract: A condensed cyclic compound and an organic light—emitting device including the same, the condensed cyclic compound being represented by Formula 1:
Type:
Grant
Filed:
June 3, 2014
Date of Patent:
November 21, 2017
Assignee:
Samsung Display Co., Ltd.
Inventors:
Kwang-Hyun Kim, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Hye-Jin Jung, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim
Abstract: The present invention provides a high triplet energy compound of Formula 1 for an organic electroluminescent device: In Formula 1, X represents an oxygen or a sulfur atom, and represents a substituted or unsubstituted hetero-aromatic ring containing at least two nitrogens or an alkyl group with C2 to C6. The organic electroluminescent device including the compound used in an emissive layer or an electron transporting layer enhances the efficiency and the stability of the device.
Abstract: The present invention relates to compounds of the formula (I), to the use of compounds of the formula (I) in electronic devices, and to electronic devices comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compounds of the formula (I) and to formulations comprising one or more compounds of the formula (I).
Abstract: Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.
Type:
Grant
Filed:
November 20, 2015
Date of Patent:
October 24, 2017
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
Inventors:
Hiroki Suzuki, Tsunenori Suzuki, Satoshi Seo
Abstract: The present invention provides a novel compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic electric element using the same, and an electronic device for the same.
Type:
Grant
Filed:
March 7, 2014
Date of Patent:
October 24, 2017
Assignee:
DUK SAN NEOLUX CO., LTD.
Inventors:
Hyeryeong Kim, Sunhee Lee, Wonsam Kim, Jaewan Jang, Yuri Kim, Junghwan Park, Seongje Park
Abstract: The invention relates to specific phenanthrenes, the use of the compound in an electronic device, and an electronic device containing at least one of said compounds. The invention further relates to a method for producing the compound and a formulation and composition containing one or more of the compounds.
Type:
Grant
Filed:
May 6, 2013
Date of Patent:
October 24, 2017
Assignee:
Merck Patent GmbH
Inventors:
Teresa Mujica-Fernaud, Arne Buesing, Frank Voges, Jonas Kroeber
Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.
Type:
Grant
Filed:
October 31, 2012
Date of Patent:
October 10, 2017
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Vadim Adamovich, Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown
Abstract: A composition comprising (1) a first crosslinkable polymer compound having an aromatic conjugated repeating unit and a crosslinkable group and having at least one of a light emitting property and charge transportability, and (2) a second crosslinkable polymer compound having an aromatic conjugated repeating unit and a crosslinkable group at least one of which is different from the aromatic conjugated repeating unit in the first crosslinkable polymer compound and the crosslinkable group in the first crosslinkable polymer compound, and having at least one of a light emitting property and charge transportability, wherein at least one of the first crosslinkable polymer compound and the second crosslinkable polymer compound has a crosslinkable group represented by the following formula (Z-3) or (Z-4): in the formulae, Rc represents a hydrogen atom, or a substituent such as an unsubstituted or substituted alkyl group or the like, the plurality of Rc moieties may be the same or different.
Abstract: An amine derivative represented by the following General Formula (1) is provided. In the above General Formula (1), Ar1, Ar2 and Ar3 are independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, at least one of Ar1, Ar2 and Ar3 is substituted with a substituted or unsubstituted silyl group, and L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group.
Abstract: A compound having the structure of Formula I is disclosed, where Ga has the structure and Gb has the structure In the structure of Formula I, Z is selected from Si and Ge; Xa and Xb are independently selected from the group consisting of O, S, and Se; the Y and Z atoms forming the six-membered rings in Formula I, Ga, and Gb are each independently selected from C or N; each R1, R2, Ra1, Ra2, Rb1, and Rb2 is independently selected from a variety of substituents; at least one Ra1 is La-Aa; at least one Rb1 is Lb-Ab; Aa and Ab are each independently selected from carbazole, dibenzofuran, dibenzothiophene, dibenzoselenophene, triphenylene, and nitrogen-substituted variants thereof, which are optionally further substituted; and La and Lb are each independently an organic linker. Formulations and devices, such as an OLEDs, that include the compound of Formula I are also described.
Type:
Grant
Filed:
March 16, 2015
Date of Patent:
October 3, 2017
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Raymond Kwong, Kit Yee Tsang, Siu Tung Lam
Abstract: An organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the first electrode and including an emission layer (EML); a hole transport region between including an electron blocking layer (EBL) and at least one selected from a hole injection layer (HIL), a hole transport layer (HTL), and a buffer layer; and an electron transport region and including a hole blocking layer (HBL) and at least one selected from an electron transport layer and electron injection layer (EIL). A triplet energy of a material for the electron blocking layer (EBL T1), a triplet energy of a material for the hole blocking layer (HBL T1), and a triplet energy of a host in the emission layer (Host T1) satisfy Equation (1) and Equation (2): EBL T1>HBL T1?Host T1??(1) EBL T1?HBL T1?0.2 eV??(2).
Type:
Grant
Filed:
November 20, 2014
Date of Patent:
September 19, 2017
Assignee:
Samsung Display Co., Ltd.
Inventors:
Jung-Sub Lee, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Naoyuki Ito
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.
Type:
Grant
Filed:
July 9, 2014
Date of Patent:
September 19, 2017
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Dong-Hyun Kim, Mi-Kyung Kim, Se-Hun Kim, Hwan-Hee Cho, Sam-Il Kho, Hyoung-Kun Kim, Chang-Woong Chu
Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
Type:
Grant
Filed:
June 27, 2013
Date of Patent:
September 19, 2017
Assignee:
Merck Patent GmbH
Inventors:
Teresa Mujica-Fernaud, Elvira Montenegro, Amir Hossain Parham, Arne Buesing, Frank Voges
Abstract: To provide a light-emitting element with high emission efficiency. In a light-emitting element including an organic compound between a pair of electrodes, the molecular weight X of the organic compound is 450 or more and 1500 or less, and the absorption edge of the organic compound is at 380 nm or more. By liquid chromatography mass spectrometry in a positive mode in which an argon gas is made to collide with the organic compound subjected to separation using a liquid chromatograph at any energy higher than or equal to 1 eV and lower than or equal to 30 eV, a product ion is detected at least around m/z=(X?240).
Type:
Grant
Filed:
November 25, 2013
Date of Patent:
September 12, 2017
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
Abstract: A novel compound containing two silicon centers with carbazole, dibenzothiophene, or triphenylene building blocks connected to the silicon is disclosed. The disclosed compound is useful as a host material in the emissive layers in phosphorescent OLEDs.
Abstract: The present invention relates to novel organic compounds containing a triphenylene and a carbazole. The compounds are useful for organic light-emitting diodes. The compounds are also useful for charge-transport and charge-blocking layers, and as hosts in the light-emissive layer for organic light emitting devices (OLEDs).
Type:
Grant
Filed:
February 6, 2014
Date of Patent:
September 12, 2017
Assignee:
Universal Display Corporation
Inventors:
Bin Ma, Walter Yeager, Edward Barron, Kwang-Ohk Cheon, Lichang Zeng, Chuanjun Xia