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).
-
Patent number: 8808814Abstract: The liquid crystal composition includes a specific two-ring compound having a large optical anisotropy and a small viscosity as a first component, a specific three-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a specific compound having a large dielectric anisotropy as a third component, and may include a specific compound having a small viscosity as a fourth component, a specific three-ring compound having a large optical anisotropy and a large dielectric anisotropy as a fifth component, and a specific compound having a large dielectric anisotropy as a sixth component, and the liquid crystal display device contains this composition.Type: GrantFiled: September 27, 2011Date of Patent: August 19, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Yoshinari Matsumura, Norikatsu Hattori
-
Patent number: 8795795Abstract: 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: GrantFiled: June 6, 2012Date of Patent: August 5, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Takayoshi Yanai, Norikatsu Hattori, Tokifumi Masukawa
-
Patent number: 8795553Abstract: A liquid crystal composition is described, which contains a two-ring compound having a large optical anisotropy and a negatively large dielectric anisotropy as a first component, and a two-ring compound having a negatively large dielectric anisotropy and a small viscosity as a second component, and may further contain at least one of a compound having a small viscosity as a third component, a compound having a negatively large dielectric anisotropy as a fourth component, and a compound having an especially negatively large dielectric anisotropy as a fifth component. An AM liquid crystal display device containing the liquid crystal composition is also described.Type: GrantFiled: February 18, 2011Date of Patent: August 5, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Kazuhiko Saigusa
-
Publication number: 20140183409Abstract: A liquid crystal composition including an antioxidant, and a liquid crystal display device containing this composition are described. The liquid crystal composition has a nematic phase, has a high solubility in a liquid crystal composition, and includes a specific antioxidant useful for preventing deterioration of the composition. The liquid crystal composition may also include a specific compound having a high maximum temperature or a small viscosity as a first component, a specific compound having a high maximum temperature or a large dielectric anisotropy as a second component, and a specific compound having a large negative dielectric anisotropy as a third component.Type: ApplicationFiled: December 26, 2013Publication date: July 3, 2014Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: YASUYUKI GOTOH, RYUSHI SHUNDO, NORIKATSU HATTORI
-
Publication number: 20140166931Abstract: A liquid crystal composition and an AM liquid crystal display device are described. The liquid crystal composition has a negative dielectric anisotropy, contains a specific compound having a large negative dielectric anisotropy as a first component and a two-ring compound having a small viscosity as a second component, and may further contain a specific compound having a large negative dielectric anisotropy as a third component, a specific compound having a small viscosity as a fourth component and a specific compound having a large negative dielectric anisotropy as a fifth component. The AM liquid crystal display device includes the liquid crystal composition.Type: ApplicationFiled: February 8, 2013Publication date: June 19, 2014Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Yasuyuki Goto, Kazuhiko Saigusa, Norikatsu Hattori
-
Patent number: 8741397Abstract: 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: GrantFiled: October 18, 2010Date of Patent: June 3, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Atsuko Fujita
-
Patent number: 8728590Abstract: The liquid crystal composition having a negative dielectric anisotropy contains two ring compound having a large optical anisotropy and a negatively large dielectric anisotropy as the first component, three ring compound having a large maximum temperature and a large dielectric anisotropy as the second component, three ring compound having a large optical anisotropy and a large dielectric anisotropy as the third component, and two ring compound having a small viscosity as the fourth component. The liquid crystal display device contains the compositions.Type: GrantFiled: May 24, 2011Date of Patent: May 20, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Kazuhiko Saigusa
-
Patent number: 8642142Abstract: Provided is an AM device containing 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 positive dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to and heat, or having a suitable balance regarding at least two of the characteristics, and the 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 display device contains a liquid crystal composition having a positive dielectric anisotropy and containing a specific compound having a large positive dielectric anisotropy as a first component and a specific compound having a small viscosity as a second component.Type: GrantFiled: February 1, 2011Date of Patent: February 4, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Shogo Yoshida
-
Publication number: 20140027672Abstract: To provide a liquid crystal composition satisfying at least one characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy and specific resistance, high stability to ultraviolet light and heat, or having a suitable balance regarding at least two of the characteristics; an AM device having short response time, a large voltage holding ratio and contrast ratio, and a long life. A liquid crystal composition has a nematic phase and contains a specific straight-chain compound as a first component and a specific compound having a large dielectric anisotropy as second component, and may contain a specific compound having a high maximum temperature or small viscosity as a third component and a specific compound having a high maximum temperature or large dielectric anisotropy as a fourth component, and a liquid crystal display device includes the composition.Type: ApplicationFiled: July 18, 2013Publication date: January 30, 2014Inventors: TAKAYOSHI YANAI, NORIKATSU HATTORI, HIROYUKI TANAKA
-
Patent number: 8637125Abstract: Providing a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature of nematic phase, low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat, or having a suitable balance regarding at least two of the characteristics; and an AM device having short response time, large voltage holding ratio, large contrast ratio, long service life and so forth. The liquid crystal composition has a negative dielectric anisotropy and contains a specific two-ring compound having a low minimum temperature as a first component, a specific compound having a large negative dielectric anisotropy as a second component, a specific compound having a low viscosity as a third component, and a specific compound having a large negative dielectric anisotropy as a fourth component. The liquid crystal display device contains the composition.Type: GrantFiled: April 12, 2012Date of Patent: January 28, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Yasuyuki Goto, Subaru Kawasaki, Norikatsu Hattori
-
Publication number: 20140010973Abstract: A liquid crystal composition including a polymerizable compound, and an AM device including the liquid crystal composition are described. The liquid crystal composition includes the compound (1) and the compound (2): wherein P1 and P2 are polymerizable groups; the rings A, B, C and E are 1,4-cyclohexylene or 1,4-phenylene, etc.; the ring D is 2,3-difluoro-1,4-phenylene, etc.; Z1 and Z2 are alkylene, etc.; L1, Z3 and Z4 are a single bond, etc.; R1 and R2 are alkyl, etc.; and q, r and s are 1, etc.Type: ApplicationFiled: January 14, 2013Publication date: January 9, 2014Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: YASUYUKI GOTOH, SUBARU KAWASAKI, NORIKATSU HATTORI
-
Patent number: 8603594Abstract: 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: GrantFiled: January 21, 2010Date of Patent: December 10, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Makoto Hamano, Norikatsu Hattori
-
Patent number: 8592008Abstract: 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 thereof, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, 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 nematic phase and contains a specific compound having a high maximum temperature and a large dielectric anisotropy as a first component, and a specific compound having a small viscosity as a second component, and may contain a specific compound having a large dielectric anisotropy as a third component.Type: GrantFiled: June 11, 2012Date of Patent: November 26, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Taketo Maeda, Takayoshi Yanai, Hiroyuki Tanaka, Norikatsu Hattori
-
Patent number: 8535562Abstract: 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, a large elastic constant, a high stability to ultraviolet light and a high stability to heat, or having a suitable balance regarding at least two of the characteristics. Also provided is an AM device having 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 a specific compound having a large elastic constant as a first component, and a specific compound having a large dielectric anisotropy as a second component, and has a nematic phase, and a liquid crystal display device contains the composition.Type: GrantFiled: November 1, 2010Date of Patent: September 17, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Takashi Hiraoka, Taketo Maeda, Masayuki Saito
-
Publication number: 20130207039Abstract: A liquid crystal composition has a negative dielectric anisotropy, and contains a specific bicyclic compound having a large optical anisotropy and a small viscosity as a first component and a specific compound having a large maximum temperature and a large dielectric anisotropy as a second component, and may contain a specific compound having a small viscosity as a third component, a specific compound having a large dielectric anisotropy as a fourth component and a specific compound having a large dielectric anisotropy as a fifth component, and a liquid crystal display device includes the composition.Type: ApplicationFiled: September 27, 2011Publication date: August 15, 2013Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Norikatsu Hattori, Yoshinari Matsumura, Hiroaki Fujita
-
Patent number: 8506842Abstract: 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: GrantFiled: May 10, 2010Date of Patent: August 13, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Takahiro Miyairi, Norikatsu Hattori
-
Patent number: 8496850Abstract: Disclosed is a liquid crystal composition that can satisfy at least one of properties such as a high upper limit temperature of a nematic phase, a low lower limit temperature of a nematic phase, a low viscosity, a proper optical anisotropy, a negatively high dielectric anisotropy, a high specific resistance, a high stability against ultraviolet light, and a high stability against heat, or has a proper balance between at least two of the above properties. The liquid crystal composition comprises a first component of a dicyclic compound which has a negatively high dielectric anisotropy and contains fluorines at least three of lateral positions, a second component of a specific compound having a low viscosity, and a third component of a specific compound having a negatively high dielectric anisotropy and contains a negatively dielectric anisotropy. The liquid crystal display element comprises the composition.Type: GrantFiled: August 19, 2009Date of Patent: July 30, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Teru Shimada, Hiroaki Fujita, Subaru Kawasaki
-
Patent number: 8475679Abstract: 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: GrantFiled: September 24, 2009Date of Patent: July 2, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Yoshimasa Furusato, Norikatsu Hattori, Subaru Kawasaki
-
Publication number: 20130135575Abstract: To provide a highly reactive polymerizable compound having a high solubility in a liquid crystal compound; a liquid crystal composition satisfying at least one characteristic such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy and specific resistance, a high stability to ultraviolet light and heat, and having a suitable balance regarding at least two characteristics; a PSA device having a short response time, a large pretilt angle, a small residual monomer concentration, a large voltage holding ratio and contrast ratio and a long life; a polymerizable compound into which one bonding group or nonidentical reaction group is introduced by constructing a polymer structure having a high polymerization degree in a PSA device manufacturing process to obtain a stable display, a liquid crystal composition containing thereof, and a liquid crystal device including thereof.Type: ApplicationFiled: August 29, 2012Publication date: May 30, 2013Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: YASUYUKI GOTOH, YUKIHIRO FUJITA, TAKAYOSHI YANAI, NORIKATSU HATTORI
-
Publication number: 20130112918Abstract: The liquid crystal composition includes a specific two-ring compound having a large optical anisotropy and a small viscosity as a first component, a specific three-ring compound having a high maximum temperature and a large dielectric anisotropy as a second component, and a specific compound having a large dielectric anisotropy as a third component, and may include a specific compound having a small viscosity as a fourth component, a specific three-ring compound having a large optical anisotropy and a large dielectric anisotropy as a fifth component, and a specific compound having a large dielectric anisotropy as a sixth component, and the liquid crystal display device contains this composition.Type: ApplicationFiled: September 27, 2011Publication date: May 9, 2013Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Yoshinari Matsumura, Norikatsu Hattori