Abstract: Provided are an organic electronic element and an electronic device thereof, the organic electronic element being capable of achieving high light-emitting efficiency and a low driving voltage, and can also greatly improve the lifespan of the element by using a compound of the present invention as a phosphorescent host material.
Type:
Grant
Filed:
July 4, 2017
Date of Patent:
January 17, 2023
Assignee:
DUK SAN NEOLUX CO., LTD.
Inventors:
Soung Yun Mun, Min Ji Jo, Sun Hee Lee, Nam Geol Lee, Hyung Dong Lee
Abstract: The present disclosure relates to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
Abstract: A component made of micromachinable material for a high quality factor resonator or escapement mechanism, with a core made of micromachinable material and/or coated with an oxide layer, and including, on this core or on this oxide layer an abrasion resistant layer including a contact surface cooperating with an opposing contact surface an which is a hydrophobic self-assembled monolayer of the alkylsilane and/or fluorinated or perfluorinated or polyperfluorinated type, with a low or zero sulphur content, and arranged to repel any wetting agent from the area of contact between the contact surface and the opposing contact surface.
Abstract: The invention relates to heteroaromatic compounds, particularly for use in electronic devices. The invention further relates to a method for producing the compounds according to the invention and to electronic devices containing same.
Type:
Grant
Filed:
May 18, 2018
Date of Patent:
December 27, 2022
Assignee:
MERCK PATENT GMBH
Inventors:
Amir Parham, Jonas Kroeber, Dominik Joosten, Aurélie Ludemann, Tobias Grossmann
Abstract: The present invention describes diazadibenzofuran or diazadibenzothiophene derivatives substituted by carbazole, fluorene, phenanthrene, benzofuran and/or benzothiophene groups, especially for use in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
Type:
Grant
Filed:
September 28, 2017
Date of Patent:
December 20, 2022
Assignee:
MERCK PATENT GMBH
Inventors:
Amir Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Kroeber
Abstract: A heteroacene having the following formula (F) is described. An organic electroluminescence device comprises the heteroacene as a phosphorescent host, a fluorescent host, a hole blocking layer, or an electron transport layer. The heteroacene lowers a driving voltage, or increases a current efficiency or a half-life of the organic electroluminescence device.
Abstract: A composition for forming organic film, a display device utilizing the composition, and a method of manufacturing the display device are provided. The composition for forming an organic film includes a solvent; and a compound of Formula 1: ArR)k.
Type:
Grant
Filed:
January 5, 2018
Date of Patent:
November 29, 2022
Assignee:
Samsung Display Co., Ltd.
Inventors:
Se Hun Kim, Chang Woong Chu, Duk Ki Kim, Dong Woo Shin, Jae Kook Ha
Abstract: A display device includes: a base substrate; a light emitting element on the base substrate; a thin film encapsulation layer on the light emitting element to encapsulate the light emitting element; a touch member on the thin film encapsulation layer; a color filter layer on the touch member; and a planarization layer on the color filter layer to cover the color filter layer, wherein the planarization layer includes a light absorber represented by Formula 1: X—Ar—Y.
Type:
Grant
Filed:
June 22, 2020
Date of Patent:
November 29, 2022
Assignee:
Samsung Display Co., Ltd.
Inventors:
Mi Hwa Lee, Su Jeong Kim, Yi Su Kim, Yi Seop Shim, Jin Hyeong Lee, Eun Jae Jeong
Abstract: Discussed is an organic compound of Formula 1 and an organic light emitting diode and an OLED device including the organic compound. In the organic compound, Ar1 is a heteroaryl group comprising a nitrogen atom, and Ar2 is a C6 to C30 aryl group, and R is a C1 to C10 alkyl group. The organic compound may be included in an emitting material layer of the organic light emitting diode as a host such that an emitting efficiency and a lifespan of the organic light emitting diode and the OLED device are improved.
Type:
Grant
Filed:
December 12, 2019
Date of Patent:
November 22, 2022
Assignees:
LG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Dae-Wi Yoon, Bo-Min Seo, Chun-Ki Kim, Dong-Hoon Choi, Min-Ju Cho, Su-Na Choi, Mallesham Godumala
Abstract: The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein L1 has the formula (2) and L2 has the formula (3), wherein L1 and L2 are bonded at “*” via a single bond independently to the same or different arylene groups or heteroarylenes group of Ar1; and wherein X1, X2 are independently selected from O, S and Se; Ar1 is selected from substituted or unsubstituted C20 to C52 arylene or C14 to C64 heteroarylene, wherein the substituent of the substituted C20 to C52 arylene or C14 to C64 heteroarylene are independently selected from C1 to C12 alkyl, C1 to C12 alkoxy, CN, halogen, OH, C6 to C25 aryl and C2 to C21 heteroaryl; R1, R2 are independently selected from substituted or unsubstituted C1 to C16 alkyl, wherein the substituent of substituted C1 to C16 alkyl is selected from C6 to C18 arylene or C2 to C12 heteroarylene; R3, R4 are independently s
Type:
Grant
Filed:
May 18, 2018
Date of Patent:
November 15, 2022
Assignee:
Novaled GmbH
Inventors:
Volodymyr Senkovskyy, Regina Luschtinetz, Benjamin Schulze, Carsten Rothe
Abstract: The present invention relates to a device containing an organometal-complex luminescent material. The device comprises a luminescent layer. The luminescent layer contains an organometal complex which has a structural formula (I), wherein A, B and C refer to substituted or unsubstituted C, N, O and S atoms independently; a dashed ring for linkage between A and B atoms refers to a substituted or unsubstituted conjugated ring structure; L1, L2, L3 and L4 are single bonds or double bonds independently, wherein L3 and L4 are part of the conjugated ring structure for linkage between A and B atoms; X, X1, Y and Y1 are C, N, O and S atoms independently; Ar1 and Ar2 are substituted or unsubstituted conjugated ring structures independently; M refers to Pt, W and Au atoms. An organometal complex in the luminescent material is high in fluorescence quantum efficiency and heat stability and low in quenching constant and can be used for manufacturing high-efficiency and low-efficiency roll-off red-light OLEDs.
Abstract: A green light thermally activated delayed fluorescent material and a synthesizing method thereof, and an electroluminescent device are described. The green light thermally activated delayed fluorescent material is a target compound reacted and synthesized by an electron donor and an electron acceptor. The target compound is a D-A molecular structure. The electron acceptor has a fluorine-containing group and a bromine-containing group. The electron acceptor is a planar electron acceptor with an ultra-low triplet state energy level, and a triplet state energy level of the target compound ranges from 1.0 to 2.0 eV. The synthesized green light thermally activated delayed fluorescent material improves a luminous efficiency and realizes a preparation of a high efficiency organic electroluminescent device.
Type:
Grant
Filed:
December 29, 2018
Date of Patent:
November 1, 2022
Assignee:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
Abstract: The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
Type:
Grant
Filed:
December 4, 2017
Date of Patent:
October 11, 2022
Assignee:
MERCK PATENT GMBH
Inventors:
Amir Parham, Dominik Joosten, Aurélie Ludemann, Tobias Grossmann, Jonas Kroeber, Christian Eickhoff
Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving element characteristics and reliability is provided. The organic compound is represented by General Formula (G1) having a dibenzobenzofuroquinoxaline skeleton or a dibenzobenzothienoquinoxaline skeleton. In General Formula (G1), Q represents O or S, at least one of R1 to R12 represents a first group having a substituted or unsubstituted condensed aromatic ring or condensed heteroaromatic ring having 3 to 30 carbon atoms, and the other or others of R1 to R12 each independently represent any one of hydrogen, a halogeno group, a hydroxy group, an amino group, a nitro group, and a group having 1 to 50 carbon atoms.
Abstract: There is provided an imidazole derivative, wherein the structural formula of the imidazole derivative is as represented by formula I: There is further provided a material containing the imidazole derivative and an organic light-emitting device containing the imidazole derivative. The imidazole derivative has an excellent carrier transport capacity, and the organic light-emitting device produced by using the material has obviously reduced starting voltage and improved luminous efficiency and luminance; and due to the features such as relatively good film-forming performance and simple material synthesis and purification methods which are applicable to mass production, the imidazole derivative is an ideal option for an electron transport material of organic light-emitting devices.
Type:
Grant
Filed:
August 29, 2018
Date of Patent:
October 4, 2022
Assignee:
SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a delayed fluorescent first compound, a fluorescent second compound, and a third compound represented by Cz-Az. The second compound emits light with a main peak wavelength ranging from 430 nm to 540 nm. Az is a cyclic structure selected from the group consisting of a substituted or unsubstituted pyridine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted triazine ring, and a substituted or unsubstituted pyrazine ring. Cz is represented by a formula (3B) below.
Abstract: An organic compound represented by formula (1). In formula (1), each of R1 to R22 is independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group.
Type:
Grant
Filed:
September 16, 2019
Date of Patent:
September 27, 2022
Assignee:
Canon Kabushiki Kaisha
Inventors:
Yosuke Nishide, Naoki Yamada, Jun Kamatani
Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same.
Abstract: The present invention relates to: a composition for an organic optoelectronic element, containing at least one first compound represented by chemical formula 1, at least one second compound among compounds represented by chemical formula 2 and compounds composed of combinations of moieties represented by chemical formula 3 and moieties represented by chemical formula 4, and at least one third compound represented by chemical formula 5; an organic optoelectronic element comprising the same; and a display device comprising the organic optoelectronic element. Chemical formulas 1 to 5 are as described in the specification.
Type:
Grant
Filed:
May 2, 2016
Date of Patent:
September 20, 2022
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Ho Kuk Jung, Giwook Kang, Eui Su Kang, Byungku Kim, Youngkwon Kim, Hun Kim, Eun Sun Yu, Sangshin Lee, Sung-Hyun Jung, Pyeongseok Cho