Patents by Inventor Toshihiro Ise
Toshihiro Ise has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120313510Abstract: Provided is an organic electroluminescence device having excellent light emission efficiency and durability. Furthermore, provided is an organic electroluminescence device having a low driving voltage, a small change in chromaticity when driving at high luminance, a small change in chromaticity by aging and a small voltage rise by aging. An organic electroluminescence device including a pair of electrodes composed of an anode and a cathode, a light emitting layer between the electrodes and an organic layer which is adjacent to the light emitting layer between the light emitting layer and the cathode, on a substrate, whereto the the light emitting layer contains at least one compound having a carbazole structure and the organic layer adjacent to the light emitting layer contaions at least one hydrocarbon compound having a specific structure.Type: ApplicationFiled: December 28, 2010Publication date: December 13, 2012Applicant: FUJIFILM CORPORATIONInventors: Tetsu Kitamura, Toru Watanabe, Toshihiro Ise
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Publication number: 20120306360Abstract: An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (1): wherein Q11 are atoms for forming a nitrogen-containing hetero ring; Z11 to Z13 each independently represents CR, wherein R represents a substituent, CH or N; n11 is 0 or 1; M11 is a metal or boron ion that may further have a ligand(s); and a compound of formula (6): wherein R63 to R66 each is a hydrogen atom or a substituent; X61 to X64 and Z61 to Z66 each is CR, wherein R represents a substituent, CH or N.Type: ApplicationFiled: August 15, 2012Publication date: December 6, 2012Applicant: UDC IRELAND LIMITEDInventors: Tatsuya IGARASHI, Kousuke WATANABE, Seiji ICHIJIMA, Toshihiro ISE
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Publication number: 20120309970Abstract: An organic electroluminescent device is provided and has at least one organic layer between a pair of electrodes. The organic compound contains a compound represented by the following formula (I): Z1 and Z2 each represents a nitrogen-containing aromatic 6-membered ring coordinating to platinum atom at the nitrogen atom, Q represents a nitrogen-containing aromatic 5-membered ring having one or two nitrogen atoms, L1 and L2 each represents a single bond or a divalent group, and n represents 0 or 1.Type: ApplicationFiled: August 15, 2012Publication date: December 6, 2012Applicant: UDC IRELAND LTD.Inventors: Toshihiro Ise, Tatsuya Igarashi, Ikuo Kinoshita, Takeshi Murakami
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Publication number: 20120298977Abstract: Provided is an organic electroluminescence device including a pair of electrodes composed of an anode and a cathode, a light emitting layer between the electrodes and an organic layer which is adjacent to the light emitting layer between the light emitting layer and the cathode, on a substrate, the light emitting layer contains at least one compound having a carbazole structure and the organic layer adjacent to the light emitting layer contains at least one hydrocarbon compound which is composed only of carbon atoms and hydrogen atoms, has a molecular weight in a range of 400 to 1,200, and contains a condensed polycyclic structure with a total carbon number of 13 to 22.Type: ApplicationFiled: December 28, 2010Publication date: November 29, 2012Applicant: FUJIFILM CorporationInventors: Tetsu Kitamura, Toru Watanabe, Toshihiro Ise
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Publication number: 20120298979Abstract: An organic electroluminescent device includes: a pair of electrodes; and at least one organic compound layer therebetween, the at least one organic compound layer comprises at least a light-emitting layer, wherein at least one of the at least one organic compound layer comprises at least one compound represented by a particular formula.Type: ApplicationFiled: August 10, 2012Publication date: November 29, 2012Applicant: UDC IRELAND LIMITEDInventors: Toshihiro ISE, Seiji ICHIJIMA
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Publication number: 20120292607Abstract: As an organic electroluminescence device that exhibits superior external quantum efficiency and durability during driving at high temperature, and small variation in chromaticity and small increase in voltage after high-temperature driving, it is provided that the organic electroluminescence device including on a substrate a pair of electrodes and at least one layer of an organic layer including a light emitting layer disposed between the electrodes, wherein the light emitting layer contains at least one specific blue phosphorescent iridium complex and any layer of the at least one layer of an organic layer contains at least one compound represented by Formula (1): wherein in Formula (1), each of R1 to R5 independently represents a specific group or atom, n1 represents an integer of 0 to 5, and each of n2 to n5 independently represents an integer of 0 to 4.Type: ApplicationFiled: December 28, 2010Publication date: November 22, 2012Applicant: FUJIFILM CORPORATIONInventors: Toru Watanabe, Tetsu Kitamura, Toshihiro Ise
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Publication number: 20120292608Abstract: A light emitting organic thin film including at least one compound represented by Formula (PQ-1) and at least one compound represented by Formula (BN-1). In Formula (PQ-1), each of Ra, Rb and Rc independently represents a hydrogen atom or an alkyl group, wherein any one of Ra, Rb and Rc represents a hydrogen atom and the remaining two represent an alkyl group. Each of R1 to R5 independently represents a hydrogen atom, an alkyl group, an aryl group, a fluorine atom or a cyano group. Each of Rx and Ry independently represents an alkyl group or a phenyl group. In Formula (BN-1), Ar1 represents an arylene group that may have a substituent Z. Ar2 represents a condensed hydrocarbyl group that may have a substituent Z. Each of R101 to R113 independently represents a phenyl group, or the like.Type: ApplicationFiled: December 28, 2010Publication date: November 22, 2012Applicant: FUJIFILM CORPORATIONInventors: Toshihiro Ise, Tetsu Kitamura, Toru Watanabe
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Publication number: 20120280218Abstract: As an organic electroluminescence device that exhibits superior external quantum efficiency and durability during driving at high temperature, and small variation in chromaticity and small increase in voltage after driving at high temperatures and has long lifespan, it is provided that the organic electroluminescence device including on a substrate a pair of electrodes and at least one layer of an organic layer including a light emitting layer disposed between the electrodes, wherein the light emitting layer contains at least one specific iridium complex and any layer of the at least one layer of an organic layer contains at least one compound represented by Formula (1): wherein in Formula (1), each of R1 to R5 independently represents a specific group or atom, n1 represents an integer of 0 to 5, and each of n2 to n5 independently represents an integer of 0 to 4.Type: ApplicationFiled: January 13, 2011Publication date: November 8, 2012Applicant: FUJIFILM CORPORATIONInventors: Toru Watanabe, Tetsu Kitamura, Toshihiro Ise
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Publication number: 20120256173Abstract: In order to provide an organic electroluminescence device with high luminous efficiency and good durability, the present invention provides a charge transporting material including a compound represented by Formula (Cz-1) wherein the content of a particular halogen-containing impurity in the charge transporting material is from 0.000% to 0.10% when the content is calculated as a proportion of the absorption intensity area of the impurity with respect to the total absorption intensity area of the charge transporting material, as measured by high-performance liquid chromatography at a measurement wavelength of 254 nm, and an organic electroluminescence device wherein the charge transporting material is included in an organic layer: wherein in Formula (Cz-1), each of R1 to R5 independently represents a particular atom or group; and each of n1 to n5 independently represents a particular integer.Type: ApplicationFiled: December 28, 2010Publication date: October 11, 2012Applicant: FUJIFILM CORPORATIONInventors: Tetsu Kitamura, Toru Watanabe, Toshihiro Ise
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Patent number: 8277954Abstract: An organic electroluminescent device comprises: a pair of electrodes; and at least one organic compound layer therebetween, the at least one organic compound layer comprises at least a light-emitting layer, wherein at least one of the at least one organic compound layer comprises at least one compound represented by formula (1): Formula (1): wherein Q1 to Q4 each independently represents an atomic group for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring in combination with two carbon atoms in formula (1); A1 and A2 each independently represents a carbon atom or a nitrogen atom; and Q5 and Q6 each independently represents an atomic group for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring in combination with A1 and A2 respectively, provided that Q5 and Q6 are not combined through a single bond, a divalent aromatic hydrocarbon ring group or a divalent aromatic heterocyclic ring group.Type: GrantFiled: February 23, 2007Date of Patent: October 2, 2012Assignee: FUJIFILM CorporationInventors: Toshihiro Ise, Seiji Ichijima
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Patent number: 8257838Abstract: An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (1): wherein Q11 are atoms for forming a nitrogen-containing hetero ring; Z11 to Z13 each independently represents CR, wherein R represents a substituent, CH or N; n11 is 0 or 1; M11 is a metal or boron ion that may further have a ligand(s); and a compound of formula (6): wherein R63 to R66 each is a hydrogen atom or a substituent; X61 to X64 and Z61 to Z66 each is CR, wherein R represents a substituent, CH or N.Type: GrantFiled: September 30, 2009Date of Patent: September 4, 2012Assignee: FUJIFILM CorporationInventors: Tatsuya Igarashi, Kousuke Watanabe, Seiji Ichijima, Toshihiro Ise
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Patent number: 8253130Abstract: A material for a light emitting device containing a compound represented by the following formula (1): wherein each A independently represents a nitrogen atom or a carbon atom, which may have a substituent, and each of the rings consisting of A and nitrogen atoms independently represents an aromatic ring or an aromatic heterocyclic ring; and L represents a divalent linking group.Type: GrantFiled: September 30, 2010Date of Patent: August 28, 2012Assignee: FUJIFILM CorporationInventors: Saki Takada, Toshihiro Ise, Yosuke Yamamoto
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Patent number: 8247091Abstract: An organic electroluminescent device is provided and has at least one organic layer between a pair of electrodes. The organic compound contains a compound represented by the following formula (I): Z1 and Z2 each represents a nitrogen-containing aromatic 6-membered ring coordinating to platinum atom at the nitrogen atom, Q represents a nitrogen-containing aromatic 5-membered ring having one or two nitrogen atoms, L1 and L2 each represents a single bond or a divalent group, and n represents 0 or 1.Type: GrantFiled: June 6, 2011Date of Patent: August 21, 2012Assignee: Fujifilm CorporationInventors: Toshihiro Ise, Tatsuya Igarashi, Ikuo Kinoshita, Takeshi Murakami
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Patent number: 8216698Abstract: An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (1) as defined in the specification.Type: GrantFiled: April 21, 2009Date of Patent: July 10, 2012Assignee: FUJIFILM CorporationInventors: Takeshi Murakami, Toshihiro Ise, Ikuo Kinoshita, Saki Takada, Akira Takeda, Hiroo Takizawa
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Publication number: 20120169220Abstract: An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.Type: ApplicationFiled: March 14, 2012Publication date: July 5, 2012Inventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
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Patent number: 8211553Abstract: An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.Type: GrantFiled: February 27, 2009Date of Patent: July 3, 2012Assignee: FUJIFILM CorporationInventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
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Patent number: 8202631Abstract: An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): wherein Z1 represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L1 represents a single bond or a linking group; R1, R3 and R4 each independently represent a hydrogen atom or a substituent; and R2 represents a substituent.Type: GrantFiled: February 27, 2009Date of Patent: June 19, 2012Assignee: Fujifilm CorporationInventors: Toshihiro Ise, Satoshi Sano, Tatsuya Igarashi
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Publication number: 20120126692Abstract: An organic electroluminescence device which has on a substrate a pair of electrodes and a light emitting layer sandwiched between the electrodes, characterized by containing in the light emitting layer a compound represented by the following formula (1) and a particular indium complex; (Cz)p-L-(A)q??(1) wherein Cz represents a substituted or unsubstituted arylcarbazolyl group or a substituted or unsubstituted carbazolylaryl group, L represents a single bond, a substituted or unsubstituted arylene group, a substituted or unsubstituted cycloalkylene group, or a group derived from a substituted or unsubstituted heteroaromatic ring, A represents a group derived from a substituted or unsubstituted nitrogen-containing heteroaromatic 6-membered ring, and each of p and q independently represents an integer from 1 to 6.Type: ApplicationFiled: July 28, 2010Publication date: May 24, 2012Applicant: FUJIFILM CORPORATIONInventors: Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Akira Takeda, Keiju Tonosaki
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Publication number: 20120126691Abstract: The organic electroluminescence device has, on a substrate thereof, a pair of electrodes and at least one organic layer including a light emitting layer between the electrodes, wherein the light emitting layer contains a phosphorescent complex material containing a specific monoanionic bidentate ligand and the device contains, in a layer sandwiched between the light emitting layer and a cathode, a compound represented by the following formula (1): (Cz)p-L-(A)q??(1) wherein, Cz represents a substituted or unsubstituted arylcarbazolyl or carbazolylaryl, L represents a single bond or a substituted or unsubstituted arylene, cycloalkylene, or aromatic heterocycle, A represents a substituted or unsubstituted nitrogen-containing 6-membered aromatic heterocycle, and each of p and q independently represents an integer from 1 to 6.Type: ApplicationFiled: July 30, 2010Publication date: May 24, 2012Applicant: FUJIFILM CORPORATIONInventors: Toshihiro Ise, Tetsu Kitamura, Saki Takada, Toru Watanabe
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Publication number: 20120126690Abstract: As an organic electroluminescence device that has an excellent emission characteristic, suppresses a change in chromaticity when driving at a high temperature and has excellent durability, the organic electroluminescence device includes on a substrate a pair of electrodes and a light emitting layer disposed between the electrodes, in which the light emitting layer contains a compound represented by the following Formula (1) and a specific metal complex is provided. (Cz)p-L-(A)q??(1) (In Formula (1), Cz represents a substituted or unsubstituted arylcarbazolyl group or a substituted or unsubstituted carbazolylaryl group. L represents a single bond, a substituted or unsubstituted arylene group, a substituted or unsubstituted cycloalkylene group or a substituted or unsubstituted aromatic heterocyclic ring. A is a substituted or unsubstituted nitrogen-containing aromatic heterocyclic six-membered ring, and each of p and q independently represent an integer of 1 to 6.Type: ApplicationFiled: July 29, 2010Publication date: May 24, 2012Applicant: FUJIFILM CORPORATIONInventors: Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Akira Takeda, Keiju Tonosaki