Patents by Inventor Norikatsu Hattori
Norikatsu Hattori 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: 20120229744Abstract: Disclosed is a liquid crystal display element which is composed of a pair of substrates (1) at least one of which is transparent. The liquid crystal display element comprises, between the pair of substrates, a transparent electrode (2), an aligning agent (3) that contains at least reactive monomers and/or oligomers (5), and a liquid crystal layer. The liquid crystal display element is characterized in that an alignment layer is obtained by polymerizing the reactive monomers or oligomers contained in the aligning agent, and the liquid crystal layer is composed of a liquid crystal composition that contains a compound (4) having at least one benzene ring in each molecule, said benzene ring containing at least one fluorine atom and being disubstituted by halogen atoms.Type: ApplicationFiled: October 18, 2010Publication date: September 13, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Norikatsu Hattori, Atsuko Fujita
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Publication number: 20120217438Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and heat, or that is suitably balanced between at least two of the characteristics. And to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition includes a specific two-ring compound having a high maximum temperature and a large elastic constant as a first component, a specific compound having a large dielectric anisotropy as a second component, and has a nematic phase. The liquid crystal display device contains this composition.Type: ApplicationFiled: September 1, 2010Publication date: August 30, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Norikatsu Hattori, Takashi Hiraoka, Taketo Maeda, Masayuki Saito
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Publication number: 20120181478Abstract: A subject is to provide a liquid crystal composition that has a negative dielectric anisotropy and contains a specific 3-ring compound having a large optical anisotropy as a first component and a compound having a large negative dielectric anisotropy and containing a methyleneoxy group or pyran ring as a second component, and may contain a specific compound having a small viscosity as a third component and a specific compound having a large negative dielectric anisotropy as a fourth component, respectively, and a liquid crystal display device that contains the composition.Type: ApplicationFiled: September 1, 2010Publication date: July 19, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Norikatsu Hattori, Shuichi Goto, Eiji Okabe
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Publication number: 20120169974Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a large elastic coefficient, a high stability to ultraviolet light and heat, or that is suitably balanced between at least two of the characteristics. As the liquid crystal display device containing the compositions is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, thus it can be used for the liquid crystal projector, liquid crystal television and so forth.Type: ApplicationFiled: September 1, 2010Publication date: July 5, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Norikatsu Hattori, Shuichi Goto, Takashi Hiraoka, Kenji Hirata
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Patent number: 8211332Abstract: The subject is to provide a liquid crystal composition that satisfies at least one characteristic among characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two or more characteristics. The subject is to provide an AM device that has a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and so forth.Type: GrantFiled: December 16, 2009Date of Patent: July 3, 2012Assignees: JNC Corporation, Chisso Petrochemical CorporationInventors: Norikatsu Hattori, Subaru Kawasaki
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Publication number: 20120161072Abstract: The invention is to provide a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and heat, or a liquid crystal composition having a suitable balance regarding at least two of the characteristics; and an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth; wherein a liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having a large negative dielectric anisotropy as a first component and a specific two-ring compound having a large optical anisotropy and a low viscosity as a second component, and a liquid crystal display device contains the composition.Type: ApplicationFiled: December 23, 2011Publication date: June 28, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: MASAYUKI SAITO, NORIKATSU HATTORI
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Patent number: 8206795Abstract: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains tetrahedropyrene-2,5-diyl as the first component, a specific compound having negatively large dielectric anisotropy as the second component, and a negatively dielectric anisotropy. The liquid crystal display device contains the liquid crystal composition.Type: GrantFiled: August 24, 2009Date of Patent: June 26, 2012Assignees: JNC Corporation, Chisso Petrochemical CorporationInventors: Masayuki Saito, Norikatsu Hattori
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Patent number: 8206610Abstract: A liquid crystal composition is provided that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The crystal liquid display device using the composition is suitable for an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, and can be used for a liquid crystal projector, a liquid crystal television and so forth.Type: GrantFiled: July 23, 2009Date of Patent: June 26, 2012Assignees: JNC Corporation, Chisso Petrochemical CorporationInventors: Norikatsu Hattori, Masayuki Saito
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Publication number: 20120138852Abstract: A liquid crystal composition that satisfies at least one characteristic, such as, high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, large elastic constant, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics; and provides an AM device that has short response time, large voltage holding ratio, large contrast ratio, long service life and so forth. A liquid crystal composition is provided that has a nematic phase and includes a specific three-ring compound having a large dielectric anisotropy as a first component, a specific four-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a liquid crystal display device containing the composition.Type: ApplicationFiled: December 7, 2011Publication date: June 7, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Takayoshi YANAI, Norikatsu HATTORI
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Publication number: 20120092608Abstract: Provided is a polymerizable compound with large solubility in a liquid crystal composition and high reactivity irradiated by ultraviolet in the longer wavelength range. Provided is a liquid crystal composition that satisfies at least one of characteristics such as high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics.Type: ApplicationFiled: May 7, 2010Publication date: April 19, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Maiko Ito, Keiji Kimura, Norikatsu Hattori, Eriko Saegusa
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Patent number: 8158219Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition has negative dielectric anisotropy and includes a two-ring compound having a large negative dielectric anisotropy and having at least three fluorines at the lateral positions as a first component, a specific two-ring or three-ring compound having a pyran ring as a second component, a specific compound having a small viscosity as a third component and a specific coType: GrantFiled: September 2, 2009Date of Patent: April 17, 2012Assignees: JNC Corporation, Chisso Petrochemical CorporationInventors: Norikatsu Hattori, Masayuki Saito, Subaru Kawasaki, Hiroaki Fujita
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Publication number: 20120044453Abstract: Provided is a liquid crystal composition that satisfies at least one of characteristics such as high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, large optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics; and provided is an AM device. The liquid crystal composition having a nematic phase includes a three-ring compound having a specific difluoromethyleneoxy bond having large dielectric anisotropy as a first component, a specific three-ring compound having large dielectric anisotropy as a second component, a specific four-ring compound having high maximum temperature as a third component, and a specific two-ring compound having high maximum temperature and small viscosity as a fourth component, and the liquid crystal display device contains this composition.Type: ApplicationFiled: May 10, 2010Publication date: February 23, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Takahiro Miyairi, Norikatsu Hattori
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Patent number: 8097309Abstract: The subject is to provide a liquid crystal composition that satisfies at least one characteristic among characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two or more characteristics. The other subject is to provide an AM device that has a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and so forth.Type: GrantFiled: June 18, 2010Date of Patent: January 17, 2012Assignees: JNC Corporation Inc., Chisso Petrochemical CorporationInventors: Subaru Kawasaki, Norikatsu Hattori
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Publication number: 20110309301Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced between at least two of the characteristics; and is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth.Type: ApplicationFiled: June 13, 2011Publication date: December 22, 2011Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Hiroaki FUJITA, Norikatsu HATTORI
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Publication number: 20110291048Abstract: Provided is a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, high stability to ultraviolet light and high stability to heat, or having a suitable balance regarding at least two of the characteristics. Provided is an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, etc. The liquid crystal composition having a nematic phase includes a specific three-ring or four-ring compound having a high maximum temperature and a large dielectric anisotropy as a first component, and a specific compound having a small viscosity or a high maximum temperature of the nematic phase as a second component, and a liquid crystal display device contains the composition.Type: ApplicationFiled: January 21, 2010Publication date: December 1, 2011Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Makoto Hamano, Norikatsu Hattori
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Publication number: 20110278501Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics, wherein the liquid crystal composition has negative dielectric anisotropy and includes a specific compound having a large negative dielectric anisotropy as a first component, a specific compound containing a pyran ring and having a large negative dielectric anisotropy as a second component, a specific compound having a small viscosity as a third component, and a specific compound having a large negative dielectric anisotropy as a fourth component, and the liquid crystal display device contains this composition.Type: ApplicationFiled: January 14, 2010Publication date: November 17, 2011Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Norikatsu Hattori, Masayuki Saito
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Publication number: 20110260104Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention provides a liquid crystal composition that has a nematic phase and includes a specific three-ring compound having a large dielectric anisotropy as a first component and a specific four-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a liquid crystal display device containing the composition.Type: ApplicationFiled: March 28, 2011Publication date: October 27, 2011Applicants: CHISSO PETROCHEMICAL CORPORATION, CHISSO CORPORATIONInventors: Taketo MAEDA, Norikatsu HATTORI, Hiroaki FUJITA
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Publication number: 20110198537Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition has negative dielectric anisotropy and includes a two-ring compound having a large negative dielectric anisotropy and having at least three fluorines or chlorines at the lateral positions as a first component, a specific compound having a large negative dielectric anisotropy as a second component, a specific compound having a small viscosity as a third component,Type: ApplicationFiled: September 24, 2009Publication date: August 18, 2011Applicants: JNC CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Yoshimasa Furusato, Norikatsu Hattori, Subaru Kawasaki
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Publication number: 20110198536Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth; wherein the liquid crystal composition has negative dielectric anisotropy and includes a specific compound having tertahydropyran-2,5-diyl as a first component and a specific four-ring compound having a high maximum temperature as a second component, and the liquid crystal display device contains this composition.Type: ApplicationFiled: September 24, 2009Publication date: August 18, 2011Applicants: JNC CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Masayuki Saito, Norikatsu Hattori
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Publication number: 20110193021Abstract: A liquid crystal compound is to be obtained that has stability to heat, light and so forth, a high clearing point, a suitable optical anisotropy, a large negative dielectric anisotropy, and excellent compatibility with other liquid crystal compounds. A liquid crystal composition containing the compound is also to be obtained that has a low viscosity, a suitable optical anisotropy, a suitable negative dielectric anisotropy, a low threshold voltage, a high maximum temperature of a nematic phase (phase transition temperature from a nematic phase to an isotropic phase), and a low minimum temperature of a nematic phase. A compound having a hydrocoumarin skeleton is synthesized, and a liquid crystal composition containing the compound is produced.Type: ApplicationFiled: April 11, 2011Publication date: August 11, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Mayumi GOTO, Teruyo SUGIURA, Norikatsu HATTORI, Kouki SAGOU