Patents by Inventor Makoto Negishi
Makoto Negishi 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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Patent number: 10414979Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one selected from compounds represented by general formula (iii). Moreover, a liquid crystal display device using the composition and an IPS or FFS device that uses the composition are provided.Type: GrantFiled: August 25, 2015Date of Patent: September 17, 2019Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
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Patent number: 10400168Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one compound represented by general formula (iii). Also provided is a liquid crystal display device that uses the composition and an IPS or FFS device that uses the composition.Type: GrantFiled: August 25, 2015Date of Patent: September 3, 2019Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
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Publication number: 20190119573Abstract: The present inventors have completed the present invention by examining various liquid crystal compounds and various chemical substances and finding that particular liquid crystal compounds can he combined to achieve the object. The composition contains compounds represented by the general formulae (i) to (vi). The liquid crystal display device contains the composition.Type: ApplicationFiled: May 25, 2017Publication date: April 25, 2019Applicant: DIC CorporationInventors: Go Sudo, Makoto Negishi
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Publication number: 20180285968Abstract: A method using a computer includes receiving a plurality of request signals each of which requests opening an account, transmitting, to a first financial system, a first request signal of the plurality of request signals which requests opening a first account in the first financial system, transmitting, to at least one of the first financial system and a second financial system, a second request signal of the plurality of request signals which requests opening a second account in at least one of the first financial system and the second financial system, associating first information indicating the first account with second information indicating the second account, and outputting third information obtained by associating the first information with the second information.Type: ApplicationFiled: March 12, 2018Publication date: October 4, 2018Applicant: FUJITSU LIMITEDInventors: MAKOTO NEGISHI, Shigeru Kira, NODOKA NAKAMURA, Xin Wang, NOBUAKI TAKAHASHI
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Patent number: 10031384Abstract: An object of the present invention is to provide a liquid crystal display element using a liquid crystal composition having negative dielectric anisotropy, which is capable of realizing excellent display properties by being used in an FFS mode liquid crystal display element without deteriorating various properties, as a liquid crystal display element, such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperature, and ?1, and burn-in characteristics of the display element. Provided is an FFS mode liquid crystal display element using an n-type liquid crystal composition so as to achieve the above object.Type: GrantFiled: July 27, 2015Date of Patent: July 24, 2018Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi, Hiromitsu Kishi
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Publication number: 20180148647Abstract: An object of the present invention is to provide a composition which has a positive ??, a liquid crystal phase over a wide temperature range, a low viscosity, an excellent solubility at low temperature, high specific resistance, high voltage holding ratio, and stability against heat or light, and further provide a liquid crystal display element such as an IPS type or a TN type, which has excellent display qualities by using the composition, and in which display defects such as burn-in or drop marks are hardly caused, at a high yield. The present invention provides a composition including one or more compounds represented by General Formula (i); and a compound represented by Formula (L-1-2.2), and a liquid crystal display element using the composition and an IPS element or a FFS element using the composition.Type: ApplicationFiled: June 2, 2016Publication date: May 31, 2018Applicant: DIC CorporationInventors: Shirou Taniguchi, Makoto Negishi
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Patent number: 9963636Abstract: The present invention relates to a liquid crystal composition used in a liquid crystal display device. A problem to be solved by the invention is to provide a liquid crystal composition and a liquid crystal display device using the liquid crystal composition, the liquid crystal composition being suitable for a liquid crystal display device, causing little dropping marks during manufacture and realizing stable discharge of a liquid crystal material in an ODF process without degrading characteristics as a liquid crystal display device, such as dielectric anisotropy, bulk viscosity, nematic phase upper limit temperature, rotational viscosity ?1, voltage holding ratio, etc. and image sticking characteristic of a display device. The present invention relates to a liquid crystal composition having negative dielectric anisotropy and containing compounds represented by formula (i) and formula (XIII-1-2) or formula (XIII-1-4) and also relates to a liquid crystal display device using the liquid crystal composition.Type: GrantFiled: February 12, 2013Date of Patent: May 8, 2018Assignee: DIC CORPORATIONInventors: Yoshinori Iwashita, Joji Kawamura, Makoto Negishi, Shinji Ogawa
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Patent number: 9938463Abstract: There is provided a liquid crystal display device that uses such a liquid crystal composition is also provided. Provided is a liquid crystal composition that includes a first component which is at least one selected from the group consisting of compounds represented by general formula (1) and a second component which is at least one component selected from the group consisting of compounds represented by general formula (2). Also provided is a liquid crystal display device that uses a liquid crystal composition that contains the first component and the second component.Type: GrantFiled: March 26, 2013Date of Patent: April 10, 2018Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Joji Kawamura, Makoto Negishi
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Patent number: 9828549Abstract: There is provided a liquid crystal composition containing any one or two or more of compounds represented by general formula (i) below and any one or two or more of compounds represented by general formula (ii) below.Type: GrantFiled: February 20, 2013Date of Patent: November 28, 2017Assignee: DIC CORPORATIONInventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita
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Patent number: 9822304Abstract: It is an object of the present invention to provide a liquid crystal composition having positive ??, having a liquid crystal phase in a wide temperature range, having high solubility at low temperatures, having high ODF process compatibility, having a high specific resistance and voltage holding ratio, and being insensitive to heat and light. In order to achieve this object, there is provided a liquid crystal composition containing at least one compound represented by the following general formula (i) and at least one compound represented by the following general formula (ii).Type: GrantFiled: March 25, 2013Date of Patent: November 21, 2017Assignee: DIC CORPORATIONInventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita
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Publication number: 20170306231Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one compound represented by general formula (iii). Also provided is a liquid crystal display device that uses the composition and an IPS or FFS device that uses the composition.Type: ApplicationFiled: August 25, 2015Publication date: October 26, 2017Applicant: DIC CorporationInventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
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Publication number: 20170255048Abstract: An object of the present invention is to provide a liquid crystal display element using a liquid crystal composition having negative dielectric anisotropy, which is capable of realizing excellent display properties by being used in an FFS mode liquid crystal display element without deteriorating various properties, as a liquid crystal display element, such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperature, and ?1, and burn-in characteristics of the display element. Provided is an FFS mode liquid crystal display element using an n-type liquid crystal composition so as to achieve the above object.Type: ApplicationFiled: July 27, 2015Publication date: September 7, 2017Applicant: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi, Hiromitsu Kishi
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Publication number: 20170226420Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one selected from compounds represented by general formula (iii). Moreover, a liquid crystal display device using the composition and an IPS or FFS device that uses the composition are provided.Type: ApplicationFiled: August 25, 2015Publication date: August 10, 2017Applicant: DIC CORPORATIONInventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
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Publication number: 20170210986Abstract: An object of the present invention is to provide a liquid crystal display element which is provided with a photo-alignment film, and does not deteriorate various properties, as a liquid crystal display element, such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperature, and ?1, and burn-in characteristics of the display element. The present invention provides a liquid crystal display element which is excellent in stability at low temperature while maintaining high-speed responsiveness of the liquid crystal composition by using a liquid crystal composition containing a compound represented by General Formula (I) and a compound represented by General Formula (II). Provided is an FFS mode liquid crystal display element using a p-type liquid crystal composition.Type: ApplicationFiled: July 27, 2015Publication date: July 27, 2017Applicant: DIC CorporationInventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi, Hiromitsu Kishi
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Patent number: 9688913Abstract: A liquid crystal composition includes one or more of compounds represented by general formula (i) below and one or more of compounds represented by general formula (ii) below. In the formulae, R11a and R21a each independently represent an alkyl group having 1 to 8 carbon atoms where one —CH2— or two or more non-adjacent —CH2— in the alkyl group may each independently be substituted with —CH?CH—, —C?C—, —O—, —CO—, —COO—, or —OCO—; one or more hydrogen atoms in the alkyl group may be substituted with a fluorine atom or a chlorine atom; X11a, X12a, X13a, X14a, and X21a each independently represent a hydrogen atom or a fluorine atom; A21a, A22a, and A23a each independently represent a trans-1,4-cyclohexylene group or a 1,4-phenylene group whose hydrogen atom may be substituted with a fluorine atom or a chlorine atom.Type: GrantFiled: March 5, 2013Date of Patent: June 27, 2017Assignee: DIC CORPORATIONInventors: Joji Kawamura, Masahiro Niwa, Makoto Negishi
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Patent number: 9683170Abstract: There is provided a liquid crystal composition which is suitably used in a liquid crystal display device without impairment of properties inherent in liquid crystal display devices. There is provided a liquid crystal display device in which such a liquid crystal composition is used. There is provided a liquid crystal composition having a negative dielectric anisotropy and containing a compound represented by Formula (I-1) and at least one compound represented by General Formula (II) and also provided a liquid crystal display device in which such a liquid crystal composition is used.Type: GrantFiled: March 26, 2013Date of Patent: June 20, 2017Assignee: DIC CORPORATIONInventors: Yoshinori Iwashita, Makoto Negishi
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Patent number: 9650572Abstract: There is provided a liquid crystal composition containing at least any one of compounds represented by General Formula (i) and at least any one of compounds represented by General Formula (ii).Type: GrantFiled: March 25, 2013Date of Patent: May 16, 2017Assignee: DIC CORPORATIONInventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita
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Publication number: 20170121604Abstract: There is provided a liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by General Formula (I) and at least one compound represented by General Formula (II). There is also provided a liquid crystal display device involving use of such a liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by General Formula (I) and at least one compound represented by General Formula (II).Type: ApplicationFiled: January 11, 2017Publication date: May 4, 2017Applicant: DIC CORPORATIONInventors: Yoshinori Iwashita, Makoto Negishi
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Patent number: 9637684Abstract: Provided is a composition which has a liquid phase over a wide temperature range, a low viscosity, an excellent solubility at low temperature, high specific resistance, high voltage retention rate, and stability against heat or light, and further a liquid crystal display element of, for example, such as an IPS type or a TN type, which has excellent display qualities by using the composition, and in which display defects such as burn-in or drip marks are hardly caused, at a high yield. Provided is a composition including one or more compounds represented by General Formula (i), one or more compounds represented by General Formula (M-1), and one or more compounds represented by General Formula (M-4), and a liquid crystal display element using the composition.Type: GrantFiled: September 4, 2014Date of Patent: May 2, 2017Assignee: DIC CORPORATIONInventors: Makoto Negishi, Yoshinori Iwashita
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Patent number: 9580654Abstract: It is an object of the present invention to provide a liquid crystal composition having a positive ?? as well as a liquid crystal phase in a wide temperature range, good solubility at low temperature, excellent adaptability to an ODF process, high specific resistance, a high voltage holding ratio, and stability to heat and light. In order to achieve this object, a liquid crystal composition containing a compound represented by Formula (i) and a compound represented by Formula (ii) is provided.Type: GrantFiled: March 1, 2013Date of Patent: February 28, 2017Assignee: DIC CORPORATIONInventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita