Patents Examined by Gregory D Clark
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Patent number: 11932660Abstract: Provided are organometallic compounds. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.Type: GrantFiled: January 4, 2021Date of Patent: March 19, 2024Assignee: Universal Display CorporationInventors: Wei-Chun Shih, Tyler Fleetham, Zhiqiang Ji, Pierre-Luc T. Boudreault, Tongxiang Lu, Rasha Hamze
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Patent number: 11937501Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and including an emission layer; and at least one of heterocyclic compounds represented by Formulae 1-1 to 1-3, as defined herein.Type: GrantFiled: December 14, 2020Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventor: Hyejeong Park
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Patent number: 11937504Abstract: An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer, wherein the organic layer contains a compound represented by the following formula (I); and the light-emitting layer contains a iridium complex phosphorescent material: wherein R1, R2, R3, R4, R5, R6, R7 and R8 each represents a hydrogen atom or a substituent, and contiguous substituents of R1 to R8 may be bonded to each other to form a condensed ring; R9 represents an alkyl group, an alkenyl group, an aryl group, a hetero-aryl group, or a silyl group, and each of which group may be substituted with a substituent; and at least one of R1 to R9 represents a deuterium atom or a substituent containing a deuterium atom.Type: GrantFiled: July 14, 2022Date of Patent: March 19, 2024Assignee: UDC Ireland LimitedInventor: Akira Takeda
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Patent number: 11926603Abstract: Disclosed are a compound represented by Chemical Formula 1, a composition comprising the same, an organic optoelectronic diode, and a display device. Chemical formula 1 is as defined in the specification.Type: GrantFiled: January 10, 2019Date of Patent: March 12, 2024Assignees: SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTDInventors: Hanill Lee, Giwook Kang, Byungku Kim, Chang Ju Shin, Dongkyu Ryu, Eun Sun Yu, Kipo Jang
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Patent number: 11925102Abstract: Novel ligands for metal complexes containing five-membered ring fused on pyrimidine ring combined with partially fluorinated side chains exhibiting improved external quantum efficiency and lifetime are disclosed.Type: GrantFiled: April 29, 2016Date of Patent: March 5, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Pierre-Luc T. Boudreault, Chuanjun Xia
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Patent number: 11925111Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:Type: GrantFiled: October 6, 2021Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yoshimasa Fujita, Shuri Sato, Hiroaki Itoi
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Patent number: 11919914Abstract: Provided are boron-containing compounds. Also provided are formulations comprising these boron-containing compounds. Further provided are OLEDs and related consumer products that utilize these boron-containing compounds.Type: GrantFiled: October 6, 2020Date of Patent: March 5, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Peter Wolohan, Tyler Fleetham, Jerald Feldman
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Patent number: 11910628Abstract: A luminescent film includes a host compound, a blue phosphorescent compound, and a blue fluorescent compound, in which an emission spectrum of the blue phosphorescent compound and an absorption spectrum of the blue fluorescent compound have portions overlapping with each other; shortest wavelength-side maximum emission wavelengths of the blue phosphorescent compound (abbreviated as “BPM” in the expression) and the blue fluorescent compound (abbreviated as “BFM” in the expression) satisfy the following expression (1): ?BFM??BPM: expression (1) in which ?BFM represents the shortest wavelength-side maximum emission wavelength of the blue fluorescent compound and ?BPM represents the shortest wavelength-side maximum emission wavelength of the blue phosphorescent compound; and light emission derived from the blue fluorescent compound is detected.Type: GrantFiled: March 4, 2022Date of Patent: February 20, 2024Assignee: MERCK PATENT GMBHInventors: Kenichi Tabata, Yuta Nakamura, Taketo Namikawa, Satoru Inoue, Yasuo Miyata, Hiromoto II
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Patent number: 11897896Abstract: Organic electroluminescent materials and devices are disclosed. The organic electroluminescent materials are novel benzodithiophene or its analogous structure compounds, which can be used as charge transporting materials, hole injection materials, or the like in an electroluminescent device. These novel compounds can offer excellent performance compared with existing materials, for example, to further improve the voltage, efficiency and/or lifetime of the OLEDs.Type: GrantFiled: August 25, 2022Date of Patent: February 13, 2024Inventors: Zhihao Cui, Chi Yuen Raymond Kwong, Chuanjun Xia
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Patent number: 11895913Abstract: 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.Type: GrantFiled: November 25, 2022Date of Patent: February 6, 2024Assignee: Merck Patent GmbHInventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara
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Patent number: 11895916Abstract: A light-emitting device includes: an anode; a cathode facing the anode; an emission layer between the anode and the cathode; and an electron control layer between the emission layer and the cathode, wherein the electron control layer includes an electron control compound represented by Formula 5: A method of manufacturing the light-emitting device includes: forming an emission layer on an anode; and forming an electron control layer on the emission layer, wherein the electron control layer includes an electron control compound represented by Formula 5.Type: GrantFiled: July 28, 2022Date of Patent: February 6, 2024Assignee: Samsung Display Co., Ltd.Inventor: Jaekook Ha
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Patent number: 11895911Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.Type: GrantFiled: October 31, 2022Date of Patent: February 6, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
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Patent number: 11889751Abstract: A light emitting device contains an anode, cathode, and two organic layers provided therebetween. One organic layer contains a phosphorescent compound, the second organic layer contains a block copolymer containing an end group, a block that binds to the end group and/or a block that does not bind to the end group, and a crosslinked product of the block copolymer. The non-terminal block contains a non-crosslinkable unit represented by the formula (X) and/or a non-crosslinkable unit represented by the formula (Z). At least one of XI>XII; ZI>ZII; XI+ZI>XII+ZII is satisfied when the total number of units having formula (X) and the total number of units having formula (Z) in the non-terminal block are XI and ZI, respectively, and the total number of units having formula (X) and the total number of units having formula (Z) in the terminal block are XII and ZII, respectively.Type: GrantFiled: April 24, 2019Date of Patent: January 30, 2024Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Toshiaki Sasada
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Patent number: 11889747Abstract: This invention discloses iridium complexes with ligands based on a phenyl quinoline backbone with at least a double substitution on the quinoline moiety. These complexes can be used as phosphorescent emitters in OLEDs.Type: GrantFiled: October 15, 2020Date of Patent: January 30, 2024Assignee: Universal Display CorporationInventors: Pierre-Luc T. Boudreault, Chuanjun Xia, Harvey Wendt
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Patent number: 11873294Abstract: Disclosed are a compound with anthrone and N-containing heterocycle and an application thereof in an OLED. The compound contains anthrone and N-containing heterocycle structure which are both strong electron-withdrawing groups. The compound has a deep HOMO energy level and high electron mobility and is suitable for use as hole blocking materials or electron transport materials; the compound can also be used as a host material for electron-type light-emitting layers; in addition, the compound of the present invention has strong group rigidity, not easily causes crystallization and aggregation between molecules, and has good film-forming property. After the compound of the present invention is applied to an OLED device as an organic electroluminescent functional layer material, the current efficiency, power efficiency and external quantum efficiency of the device are greatly improved; moreover, the compound can improve the service life of the device.Type: GrantFiled: September 25, 2018Date of Patent: January 16, 2024Assignee: JIANGSU SUNERA TECHNOLOGY CO., LTD.Inventors: Haifeng Chen, Chong Li, Zhaochao Zhang, Xiaoqing Zhang, Dandan Tang
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Patent number: 11873293Abstract: An organic molecule for use in optoelectronic devices having a structure of formula I wherein X1 and X2 are at each occurrence independently selected from the group consisting of CR21 and N; X3 and X4 are at each occurrence independently selected from the group consisting of CR22 and N: X5 and X6 are at each occurrence independently selected from the group consisting of CR23 and N; R21, R22, R23 is at each occurrence independently selected from the group consisting of hydrogen, deuterium, C1-C5-alkyl, C2-C8-alkenyl, C2-C8-alkynyl, C6-C18-aryl, and C3-C17-heteroaryl; and at least one variable of X1 and X2 is N, at least one variable of X3 and X4 is N and at least one variable of X5 and X6 is N.Type: GrantFiled: July 11, 2022Date of Patent: January 16, 2024Assignee: Samsung Display Co., Ltd.Inventor: Sebastian Dück
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Patent number: 11877511Abstract: 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.Type: GrantFiled: November 25, 2022Date of Patent: January 16, 2024Assignee: Merck Patent GmbHInventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara
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Patent number: 11871663Abstract: A P-type dopant is provided, which is a planar aromatic compound having different numbers of fluorine atoms and cyano groups connected at a periphery thereof, and allows adjustment of highest occupied molecular orbital (HOMO) energy levels and lowest unoccupied molecular orbital (LUMO) energy levels and effectively increases luminous efficiency of a light emitting layer. Moreover, an organic light emitting diode is disclosed, including an anode, a cathode, and a light emitting structure located between the anode and the cathode, wherein a hole injecting layer of the light emitting structure is a hole injecting layer including the P-type dopant described above.Type: GrantFiled: February 14, 2020Date of Patent: January 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jiajia Luo
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Patent number: 11866626Abstract: A color conversion film material, a color conversion film, and a display device are provided. The material of the color conversion film includes a first compound and a second compound, and a mass ratio of the first compound and the second compound is (0.4-1.6):(0.3-1.7). A heat stability of the color conversion film is enhanced by using the color conversion film made of the material of the color conversion film. Moreover, a color gamut of the display device is improved, and costs thereof are reduced by applying the color conversion film to the display device.Type: GrantFiled: August 4, 2020Date of Patent: January 9, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Bao Zha
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Patent number: 11871651Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region.Type: GrantFiled: August 20, 2020Date of Patent: January 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hirokazu Kuwabara, Yoshiro Sugita, Ryuhei Furue