Fluroescent, Phosphorescent, Or Luminescent Layer Patents (Class 428/690)
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Patent number: 11024811Abstract: A composition of materials including a first compound having a structure according to Formula IType: GrantFiled: April 10, 2019Date of Patent: June 1, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Lichang Zeng, Suman Layek, Pierre-Luc T. Boudreault, Zeinab Elshenawy, Gregg Kottas, Alexey Borisovich Dyatkin, Scott Joseph, Vadim Adamovich, Chuanjun Xia, Ting-Chih Wang, Walter Yeager
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Patent number: 11024816Abstract: Compounds having a structure of Formula I, Formula II, or Formula III, devices containing the same, and formulations containing the same are described. In Formulas (I), (II), and (III), X2 to X8 are C or N; at least one of X2 to X8 is N; R1, R2, R3, and R4 are independently alkyl or cycloalkyl; at least one of R1 to R4 has at least two C atoms; R5 is hydrogen, deuterium, alkyl, cycloalkyl, or a combination thereof; R6, R7, and R8 are independently hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; and n is 1 or 2.Type: GrantFiled: May 11, 2018Date of Patent: June 1, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Pierre-Luc T. Boudreault, Alexey Borisovich Dyatkin, Chuanjun Xia, Hitoshi Yamamoto
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Patent number: 11018310Abstract: A highly rigid tetradentate ligand is combined with a gold(III) ion as a thermally stable tetradentate gold(III) complex. The tetradentate gold(III) complex is a tetradentate gold(III) compound that can be used as a light-emitting material which can be used for fabricated of light-emitting devices such as an organic light-emitting diode (OLED). The tetradentate gold(III) compound can be deposited as a layer or a component of a layer using a solution-process or a vacuum deposition process. The luminescent tetradentate gold(III) compounds are robust and can provide electroluminescence (EL) with a high efficiency and brightness.Type: GrantFiled: January 30, 2017Date of Patent: May 25, 2021Assignee: The University of Hong KongInventors: Vivian Wing-Wah Yam, Hok-Lai Wong, Yiu-Wing Wong, Mei-Yee Chan
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Patent number: 11008510Abstract: A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to ?3.5 eV and less than or equal to ?2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.Type: GrantFiled: May 22, 2017Date of Patent: May 18, 2021Inventors: Kyoko Takeda, Harue Osaka, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo, Hiromi Seo
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Patent number: 11011711Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, groups and variables are the same as described in the specification.Type: GrantFiled: February 3, 2017Date of Patent: May 18, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soyeon Kim, Yoonhyun Kwak, Ohyun Kwon, Hyeonho Choi, Hyun Koo, Youngjae Park
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Patent number: 11005058Abstract: A light emitting device including an emissive material comprising quantum dots is disclosed. In one embodiment, the device includes a cathode, a layer comprising a material capable of transporting and injection electrons comprising an inorganic material, an emissive layer comprising quantum dots, a layer comprising a material capable of transporting holes, a layer comprising a hole injection material, and an anode. In certain embodiments, the hole injection material can be a p-type doped hole transport material. In certain preferred embodiments, quantum dots comprise semiconductor nanocrystals. In another aspect of the invention, there is provided a light emitting device wherein the device has an initial turn-on voltage that is not greater than 1240/?, wherein ? represents the wavelength (nm) of light emitted by the emissive layer. Other light emitting devices and a method are disclosed.Type: GrantFiled: June 19, 2019Date of Patent: May 11, 2021Assignee: SAMSUNG RESEARCH AMERICA, INC.Inventors: Zhaoqun Zhou, Peter T. Kazlas, Mead Misic, Zoran Popovic, John Spencer Morris
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Patent number: 11005051Abstract: A compound comprising a ligand LA of Formula I: as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compounds, having a ligand La of Formula I: wherein R1 represents mono, or di-substitution, or no substitution; wherein R2 represents di, tri, or tetra-substitution; wherein R is selected from hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein R1 and R2 are each independently selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and combinations thereof; wherein at least one pair of adjacent R2 substitutions are joined to form a fused ring; wherein the ligand LA is coordinated to a metal M; and wherein the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.Type: GrantFiled: April 19, 2018Date of Patent: May 11, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi Tsai, Gregg Kottas, Walter Yeager, Zeinab Elshenawy, Chuanjun Xia, Geza Szigethy, Jason Brooks
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Patent number: 11005059Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a first electrode on the first pixel and the second pixel, a hole transport layer on the first electrode, a first emission layer on the hole transport layer in correspondence with the first pixel, a second emission layer on the hole transport layer in correspondence with the second pixel, an exciton confinement layer on the first emission layer and the second emission layer, and a second electrode on the exciton confinement layer. The second emission layer includes a mixed host and an electron-type host.Type: GrantFiled: July 13, 2016Date of Patent: May 11, 2021Assignee: LG Display Co., Ltd.Inventor: HeuiDong Lee
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Patent number: 11005060Abstract: An electroluminescent device including a first electrode, a hole transport layer disposed on the first electrode, a first emission layer disposed on the hole transport layer, the first emission layer including a first light emitting particle on which a first ligand having a hole transporting property is attached, a second emission layer disposed on the first emission layer, the second emission layer including a second light emitting particle on which a second ligand having an electron transporting property is attached, an electron transport layer disposed on the second emission layer, and a second electrode disposed on the electron transport layer, wherein a solubility of the first ligand in a solvent is different than a solubility of the second ligand in the solvent and a display device including the same.Type: GrantFiled: March 18, 2019Date of Patent: May 11, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Young Chung, Moon Gyu Han, Oul Cho, Tae Hyung Kim, Sujin Park, Hongkyu Seo, Eun Joo Jang
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Patent number: 10998507Abstract: This invention discloses metal complexes containing carborane moiety. The metal complexes showed desired properties in term of EQE, LT, and CIE.Type: GrantFiled: November 23, 2016Date of Patent: May 4, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi Tsai, Gregg Kottas
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Patent number: 10998515Abstract: The present invention provides a solar cell and a method for manufacturing the same, the solar cell including a first electrode formed on a substrate, a nanocrystal layer including a plurality of nanocrystals formed on the first electrode so as to contact the first electrode, a hole transport layer formed on the first electrode so as to cover the plurality of nanocrystals, a photoactive layer formed on the hole transport layer, and a second electrode formed on the photoactive layer.Type: GrantFiled: October 10, 2014Date of Patent: May 4, 2021Inventors: Jea Gun Park, Tea Hun Shim, Dal Ho Kim, Ji Heon Kim, Jae Woo Shin, Joo Hyoung Park
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Patent number: 10995069Abstract: Provided are an organic electric element and an electronic device thereof comprising a mixture of the compounds of Formula 1 and Formula 2 as a phosphorescent host material, and thereby obtaining high light emission efficiency, low driving voltage, and improved lifetime.Type: GrantFiled: March 22, 2017Date of Patent: May 4, 2021Assignee: DUK SAN NEOLUX CO., LTD.Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Sun Hee Lee, Chi Hyun Park, Hyun Ju Song, Bum Sung Lee
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Patent number: 10998505Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode, a second electrode opposite the first electrode, and a light-emitting layer and an electron-density-controlling layer in that order between the first electrode and the second electrode, wherein the electron-density-controlling layer includes at least one selected from among compounds represented by Chemical Formulas A to D, and the light-emitting layer includes at least one anthracene compound represented by Chemical Formula H. The electron-density-controlling layer may be disposed between the light-emitting layer and an electron transport layer.Type: GrantFiled: July 5, 2016Date of Patent: May 4, 2021Assignee: SFC CO., LTD.Inventors: Soon-Wook Cha, Young-Hwan Park, Seo-Yeon Yoon, So Young Shim
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Patent number: 10991896Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.Type: GrantFiled: September 12, 2018Date of Patent: April 27, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Pierre-Luc T. Boudreault, Alexey Dyatkin, David Zenan Li, Scott Joseph, Chuanjun Xia, Hitoshi Yamamoto, Michael S. Weaver, Bert Alleyne, James Fiordeliso
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Patent number: 10991895Abstract: Ir phenyl parazolepyrazole complexes substituted with one or more strong electron withdrawing groups such as cyano groups resulted in enhancing the metal to ligand charge transfer (MLCT) which in turn resulted in enhanced emission efficiency and red shifted emission.Type: GrantFiled: October 5, 2016Date of Patent: April 27, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Raymond Kwong, Kit Yee Tsang, Siu Tung Lam, Chi Hang Lee, Sze Kui Lam
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Patent number: 10991900Abstract: A light-emitting device includes an anode; a cathode; and an emissive layer disposed between the anode and the cathode, the emissive layer including quantum dots dispersed in a crosslinked matrix formed from one or more crosslinkable charge transport materials. A method of forming the emissive layer of a light-emitting device includes depositing a mixture including quantum dots and one or more crosslinkable charge transport materials on a layer; and subjecting at least a portion of the mixture to UV activation to form an emissive layer including quantum dots dispersed in a crosslinked matrix.Type: GrantFiled: December 23, 2019Date of Patent: April 27, 2021Assignee: Sharp Kabushiki KaishaInventors: Enrico Angioni, James Andrew Robert Palles-Dimmock, Edward Andrew Boardman, Tim Michael Smeeton
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Patent number: 10991891Abstract: Provided are a condensed cyclic compound represented by the following formulas and an organic light-emitting device including the same. The organic lightemitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, where the organic layer may include an emission layer and at least one of the condensed cyclic compound described above.Type: GrantFiled: July 30, 2018Date of Patent: April 27, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
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Patent number: 10985323Abstract: A light-emitting device includes a plurality of organic EL elements. Each of the organic EL elements includes a reflection electrode, a hole transport region, an electron-trapping luminescent layer, and a light extraction electrode in this order. The hole transport region has a sheet resistance of 4.0×107 ?/sq. or more at a current of 0.1 nA/pixel, and the total thickness of the hole transport region and the electron-trapping luminescent layer is equivalent to an optical path length enabling emission from the electron-trapping luminescent layer to be enhanced.Type: GrantFiled: October 16, 2018Date of Patent: April 20, 2021Assignee: Canon Kabushiki KaishaInventors: Norifumi Kajimoto, Tetsuo Takahashi, Koji Ishizuya, Itaru Takaya, Hirokazu Miyashita, Takayuki Ito, Hiroaki Sano
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Patent number: 10978648Abstract: Novel heteroleptic iridium carbene complexes are provided. The complexes have lower-than expected sublimation temperatures, which is beneficial for the processing of these materials in solid state applications. Selective substitution of the ligands provides for phosphorescent compounds that are suitable for use in a variety of OLED devices. The carbene complexes can also be used as materials in a hole blocking layer and/or an electron transport layer to improve device performance.Type: GrantFiled: September 28, 2017Date of Patent: April 13, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Chun Lin, Bin Ma, Chuanjun Xia, Lichang Zeng, Alan Deangelis, Edward Barron
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Patent number: 10978656Abstract: An organic light emitting display device includes a plurality of pixels on a substrate, the plurality of pixels having a red subpixel, a green subpixel, and a blue subpixel; an anode on the substrate; a first hole transfer layer on the anode; a first emission layer on the first hole transfer layer in the red subpixel, the green subpixel, and the blue subpixel; a first electron transfer layer on the first emission layer; an N-type charge generation layer on the first electron transfer layer; a second hole transfer layer on the N-type charge generation layer; a second emission layer on the second hole transfer layer in the red subpixel, the green subpixel, and the blue subpixel; a second electron transfer layer on the second emission layer; and a cathode on the second electron transfer layer,Type: GrantFiled: April 17, 2020Date of Patent: April 13, 2021Assignee: LG DISPLAY CO., LTD.Inventor: EunJung Park
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Patent number: 10971689Abstract: The present invention relates to compounds of the formula (1) and (2) which are suitable for use in electro¬nic devices, in particular organic electroluminescent devices.Type: GrantFiled: May 21, 2018Date of Patent: April 6, 2021Assignee: Merck Patent GmbHInventors: Philipp Stoessel, Dominik Joosten, Arne Buesing
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Patent number: 10968230Abstract: The present specification relates to a spiro compound and an organic electronic device including the same.Type: GrantFiled: January 26, 2017Date of Patent: April 6, 2021Inventors: Yongbum Cha, Sung Kil Hong, Jungbum Kim, Dong Uk Heo, Sung Jae Lee
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Patent number: 10954218Abstract: The present specification relates to a carbazole derivative, a coating composition comprising the carbazole derivative, an organic light emitting device using the same, and a method for manufacturing the same.Type: GrantFiled: November 30, 2016Date of Patent: March 23, 2021Inventors: Jaesoon Bae, Jinseck Kim, Sungkyoung Kang, Jaechol Lee, Seokhee Yoon, Donggu Lee, Chung Whan Lee
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Patent number: 10954245Abstract: A thermal active delay fluorescent material includes a structural formula in formula 1: wherein in the formula 1, R is a chemical group of an electron donor. The application adopts a strong electron-withdrawing group of a large conjugate plane as an electron acceptor, and combines an electron acceptor with a strong electron donor to achieve a deep red light thermal active delay fluorescent material with a typical TADF characteristics and a low energy level. The thermal active delay fluorescent material of the application is a deep red light TADF material having a lower single triplet energy level difference, an ultrafast reverse intersystem crossing speed and a high luminous efficiency, and when it is used as a luminescent material for an organic light-emitting diode device, it can promote a luminous efficiency of the organic light-emitting diode device.Type: GrantFiled: May 6, 2019Date of Patent: March 23, 2021Assignees: WUHAN CHINA STAR OPTOELECTRONICS, SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jiajia Luo, Xianjie Li, Yu Gu, Jinchang Huang, Xu Wang
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Patent number: 10950797Abstract: The present invention provides an organic EL device having at least an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the second hole transport layer contains an arylamine compound represented by the following general formula (1), and the electron transport layer contains a pyrimidine derivative represented by the following general formula (2). The organic EL device of the present invention has a high efficiency, and is driven at a low driving voltage. Further, it has a particularly long lifetime.Type: GrantFiled: September 15, 2016Date of Patent: March 16, 2021Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Shuichi Hayashi, Naoaki Kabasawa, Keigo Naito
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Patent number: 10944019Abstract: A photovoltaic power system includes a photofuel having a molecular structure to emit light, and a receptacle including the photofuel disposed within. One or more photovoltaic cells are positioned within the receptacle to receive light emitted from the photofuel, and a negative electrode is coupled to the one or more photovoltaic cells. A positive electrode is coupled to the one or more photovoltaic cells to produce an electrical potential between the negative electrode and the positive electrode when a photocurrent is generated by the one or more photovoltaic cells in response to the one or more photovoltaic cells receiving the light emitted from the photofuel.Type: GrantFiled: July 23, 2018Date of Patent: March 9, 2021Assignee: X Development LLCInventors: William Regan, Jason Rugolo
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Patent number: 10944057Abstract: A compound represented by formula (A-0) or (B-0) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein R1 to R10, n1, m2, k3, k4, n5, m6, k7, k8, L0 to L2, and Ar are as defined in the description.Type: GrantFiled: July 13, 2015Date of Patent: March 9, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoki Kato, Nobuhiro Yabunouchi, Masakazu Funahashi, Takahiro Fujiyama
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Patent number: 10937981Abstract: A light-emitting element is provided, including a first electrode and a second electrode, a first layer including first and second organic compounds, the first layer being formed between the first electrode and the second electrode wherein the first organic compound is capable of emitting a first light and the second organic compound has an electron transporting property, and a second layer including third and fourth organic compounds, the second layer being formed between the first layer and the second electrode wherein the third organic compound is capable of emitting a second light and has an electron trap property and the fourth organic compound has an electron transporting property.Type: GrantFiled: March 24, 2017Date of Patent: March 2, 2021Inventors: Tsunenori Suzuki, Satoshi Seo
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Patent number: 10923636Abstract: Provided are a wavelength converting particle, a method for manufacturing a wavelength converting particle, and a light-emitting diode containing a wavelength converting particle. The wavelength converting particle comprises a hybrid OIP nanocrystal that converts a wavelength of light generated by an excitation light source into a specified wavelength. Accordingly, it is possible to optically stabilize and improve color purity and light-emission performance without changes in a light-emitting wavelength range.Type: GrantFiled: September 20, 2019Date of Patent: February 16, 2021Inventors: Tae-woo Lee, Younghoon Kim, Himchan Cho
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Patent number: 10916721Abstract: An organic light emitting diode (OLED) architecture in which efficient operation is achieved without requiring a blocking layer by locating the recombination zone close to the hole transport side of the emissive layer. Aryl-based hosts and Ir-based dopants with suitable concentrations result in an efficient phosphorescent OLED structure. Previously, blocking layer utilization in phosphorescent OLED architectures was considered essential to avoid exciton and hole leakage from the emissive layer, and thus keep the recombination zone inside the emissive layer to provide high device efficiency and a pure emission spectrum.Type: GrantFiled: February 4, 2020Date of Patent: February 9, 2021Assignee: Universal Display CorporationInventors: Vadim Adamovich, Michael Stuart Weaver, Raymond Kwong
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Patent number: 10916709Abstract: The present invention relates to a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.Type: GrantFiled: December 24, 2015Date of Patent: February 9, 2021Assignee: DOOSAN SOLUS CO., LTD.Inventors: Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
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Patent number: 10913758Abstract: An organometallic compound represented by Formula 1: M(L11)n1(L12)n2??Formula 1 wherein, in Formula 1, M is a third row transition metal, L11 is a ligand represented by Formula 2, n1 is 1 or 2, and when n1 is two, two groups L11 are identical to or different from each other, L12 is an organic ligand, n2 is 0, 1, 2, or 3, and when n2 is two or more, two or more of groups L12 are identical to or different from each other: wherein, in Formula 2, groups and variables are the same as described in the specification.Type: GrantFiled: March 27, 2018Date of Patent: February 9, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Whail Choi, Seungyeon Kwak, Hyun Koo, Sungjun Kim, Jiwhan Kim, Hyeonho Choi, Seokhwan Hong
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Patent number: 10916707Abstract: An object of one embodiment of the present invention is to provide a novel organic compound. The organic compound is a triarylamine derivative. The triarylamine derivative has an aryl group including a skeleton in which a naphthyl group is bonded to a naphthylene group. The other two aryl groups are each independently a phenyl group, a biphenyl group, or a terphenyl group. These groups may each have a substituent. As the substituent, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms can be selected.Type: GrantFiled: December 27, 2017Date of Patent: February 9, 2021Inventors: Sachiko Kawakami, Anna Tada, Yusuke Takita, Tsunenori Suzuki, Naoaki Hashimoto, Satoshi Seo
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Patent number: 10910579Abstract: An object is to provide a light-emitting element capable of emitting light with a high luminance even at a low voltage, and having a long lifetime. The light-emitting element includes n EL layers between an anode and a cathode (n is a natural number of two or more), and also includes, between m-th EL layer from the anode and (m+1)-th EL layer (m is a natural number, 1?m?n?1), a first layer including a first donor material in contact with the m-th EL layer, a second layer including an electron-transport material and a second donor material in contact with the first layer, and a third layer including a hole-transport material and an acceptor material in contact with the second layer and the (m+1)-th EL layer.Type: GrantFiled: June 12, 2018Date of Patent: February 2, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiromi Nowatari, Satoshi Seo, Nobuharu Ohsawa, Takahiro Ushikubo, Tetsuo Tsutsui
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Patent number: 10894375Abstract: A color conversion film converts incident light into light with a wavelength longer than that of the incident light. The color conversion film is a laminate film including the following Layer(A) and Layer (B): Layer (A): a color conversion layer as a continuous layer containing at least one organic light-emitting material and a binder resin; and Layer (B): a transparent resin layer with an oxygen permeability of 1.0 cc/m2·day·atm or less.Type: GrantFiled: September 26, 2016Date of Patent: January 19, 2021Assignee: TORAY INDUSTRIES, INC.Inventors: Hirotoshi Sakaino, Daisaku Tanaka, Masaaki Umehara, Yoshikazu Sato
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Patent number: 10897011Abstract: An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A and 2B.Type: GrantFiled: January 25, 2017Date of Patent: January 19, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwoo Shin, Seulong Kim, Younsun Kim, Jungsub Lee, Naoyuki Ito, Jino Lim
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Patent number: 10892434Abstract: A light-emitting electrochemical cell comprising a first electrode, a second electrode, and at least one light-emitting active material comprising a combination of an electrolyte, a first constituent comprising a host compound and a second constituent comprising a guest compound. A quotient between a difference in LUMO energy level between the first and second constituent, Etrapn, and a difference in HOMO energy level between the second and first constituent, Etrapp, is 1/10 to 10, a quotient between an electron mobility and a hole mobility on the first constituent is 1/100 to 100, a quotient between a number of ions of the electrolyte and a number of molecules or repeat units of the second constituent is ? to 5, and a LUMO energy level of the electrolyte is higher than the LUMO energy level of the first constituent and a HOMO energy level of the electrolyte is lower than the HOMO energy level of the first constituent.Type: GrantFiled: January 18, 2017Date of Patent: January 12, 2021Assignee: LUNALEC ABInventors: Ludvig Edman, Martijn Kemerink, Andreas Sandstrom, Shi Tang
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Patent number: 10892423Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and at least one condensed cyclic compound of Formula 1.Type: GrantFiled: December 4, 2017Date of Patent: January 12, 2021Assignee: Samsung Display Co., Ltd.Inventors: Youngkook Kim, Heechoon Ahn, Mieun Jun, Soobyung Ko, Seokhwan Hwang
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Patent number: 10892419Abstract: Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.Type: GrantFiled: October 11, 2018Date of Patent: January 12, 2021Assignee: LG Display Co., Ltd.Inventors: Hyo-Jin Noh, Kyung-Jin Yoon, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
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Patent number: 10889754Abstract: A compound having a Pt tetradentate structure of Formula 1, is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NRE, O, S, and Se; X3 and X4 each independently carbon or nitrogen; and one of Q1, Q3, and Q4 is oxygen, and the remaining two of Q1, Q3, and Q4 each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.Type: GrantFiled: October 18, 2018Date of Patent: January 12, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Bin Ma, Mingjuan Su, Alan Deangelis, Edward Barron, Chuanjun Xia
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Patent number: 10889602Abstract: Embodiments relate to an organic compound of Formula 1: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the organic compound is increased. Embodiments also relate to an organic light emitting display device with an organic light emitting diode that includes the organic compound.Type: GrantFiled: December 14, 2017Date of Patent: January 12, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Jun-Yun Kim, Hyo-Jin Noh, Dae-Wi Yoon
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Patent number: 10882877Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, groups and variables are the same as described in the specification.Type: GrantFiled: March 5, 2018Date of Patent: January 5, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Hyejin Bae, Soonok Jeon, Wataru Sotoyama, Jun Chwae, Jongsoo Kim, Joonghyuk Kim, Wook Kim, Sangho Park, Hasup Lee
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Patent number: 10882850Abstract: An organic compound has a structure represented by formula (1): and Ar1 represents phenyl, naphthyl, biphenyl, terphenyl, anthryl, dibenzofuranyl, dibenzothiophenyl, 9,9-dimethylfluorenyl or 9-phenylcarbazolyl, substituted or unsubstituted by halogen atoms, protium atoms, deuterium atoms, tritium atoms, and linear or branched alkyl with 1 to 10 carbons; Ar2 and Ar3 each independently represents a single bond or one selected from the group consisting of phenyl, naphthyl, biphenyl, terphenyl, anthryl or pyridyl, substituted or unsubstituted by halogen atoms, protium atoms, deuterium atoms, tritium atoms, and linear or branched alkyl with 1 to 10 carbons; R1, R2 each independently represents a structure represented by the following formulas: and Ar4, Ar5, Ar6, Ar7 each independently represents one selected from the group consisting of phenyl, naphthyl, biphenyl, terphenyl or pyridyl, substituted or unsubstituted by halogen atoms, linear or branched alkyl with 1 to 10 carbons.Type: GrantFiled: November 30, 2017Date of Patent: January 5, 2021Assignee: JIANGSU SUNERA TECHNOLOGY CO., LTDInventors: Zhaochao Zhang, Chong Li
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Patent number: 10886477Abstract: The present invention discloses an iridium complex of formula (1) below and an organic electroluminescence device employing the iridium complex as the phosphorescent dopant material. The organic EL device can display good performance, such as reduced driving voltage, increased current efficiency, and longer half-life time.Type: GrantFiled: March 23, 2018Date of Patent: January 5, 2021Inventors: Feng-Wen Yen, Wen-Feng Hsiao
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Patent number: 10879470Abstract: Provided are condensed cyclic compounds represented by Formula 1: and an organic light-emitting device having the compounds which has decreased driving voltage, higher efficiency, and increased overall lifespan.Type: GrantFiled: December 9, 2016Date of Patent: December 29, 2020Assignee: Samsung Display Co., Ltd.Inventors: Seulong Kim, Illsoo Park, Hyosup Shin, Sunghun Lee
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Patent number: 10878753Abstract: An organic electroluminescent panel includes a plurality of partition walls, an organic light-emitting layer, and a protective layer. The plurality of partition walls define a pixel region, and include an organic material. The organic light-emitting layer crosses over the plurality of partition walls. The protective layer is disposed between each of the partition walls and the organic light-emitting layer, and has a moisture permeability lower than a moisture permeability of any of the partition walls.Type: GrantFiled: January 9, 2018Date of Patent: December 29, 2020Assignee: JOLED INC.Inventor: Kosuke Mishima
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Patent number: 10875882Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.Type: GrantFiled: February 23, 2018Date of Patent: December 29, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jungin Lee, Hyeonho Choi, Yoonhyun Kwak, Sangdong Kim, Jiwhan Kim, Jiyoun Lee, Kyuyoung Hwang
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Patent number: 10870796Abstract: A light-emitting polymer comprising a light-emitting repeat unit in a backbone of the polymer, wherein the polymer has an anisotropy of no more than 0.8 and wherein a transition dipole moment of the light-emitting repeat unit is aligned with the polymer backbone.Type: GrantFiled: February 18, 2016Date of Patent: December 22, 2020Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company LimitedInventors: Ruth Pegington, Michael Cass, David Mohamad, Matthew Roberts, William Tarran, Martin Humphries
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Patent number: 10873033Abstract: The present invention relates to: an organic compound which is represented by formula 1 and has a molecular weight of less than 750; a composition for an organic optoelectronic diode which includes the organic compound; an organic optoelectronic diode which applies the organic compound and the composition; and a display device which includes the organic optoelectronic diode.Type: GrantFiled: July 21, 2014Date of Patent: December 22, 2020Assignee: SAMSUNG SDI CO., LTD.Inventors: Han-Ill Lee, Su-Jin Han, Young-Kwon Kim, Eun-Sun Yu, Ho-Kuk Jung
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Patent number: 10865478Abstract: A method for producing phosphor particles with at least one first protective layer and a phosphor particles having at least one protective layer are disclosed. In an embodiment, a method includes providing phosphor particles and applying at least one first protective layer to the surface of the phosphor particles, wherein the at least of first protective layer include depositing a first starting compound by a first atomic layer deposition on the surface of the phosphor particles and depositing a second starting compound by a second atomic layer deposition on the surface of the phosphor particles.Type: GrantFiled: March 1, 2017Date of Patent: December 15, 2020Assignee: OSRAM OLED GMBHInventors: Sonja Tragl, Tim Fiedler, Frank Jermann