Patents by Inventor Shinji Ogawa
Shinji Ogawa 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).
-
Publication number: 20160306236Abstract: An object of the present invention is to provide a liquid-crystal display element using a liquid-crystal composition having negative dielectric anisotropy, capable of realising excellent display characteristics by being used in an FFS mode liquid-crystal display element, without deteriorating various characteristics as a liquid-crystal display element such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperatures, and ?1, and burn-in characteristics of a display element.Type: ApplicationFiled: October 29, 2014Publication date: October 20, 2016Applicant: DIC CorporationInventors: Yoshinori Iwashita, Shinji Ogawa, Hiroshi Hasebe, Masanao Takashima
-
Publication number: 20160304782Abstract: There is provided a liquid crystal display element that suppresses occurrence of drop marks in production without degrading various properties of the liquid crystal display element, such as dielectric anisotropy, a viscosity, a nematic phase upper limit temperature, and a rotational viscosity (?1), and ghosting property of the liquid crystal display element and a method for producing the same. In addition, it is possible to produce a liquid crystal display element that has excellent high-speed responsiveness of the liquid crystal display element, stable alignment properties and pre-tilt angles of liquid crystal molecules, and in which ghosting is less likely to occur and drop marks are less likely to occur in the production of the liquid crystal display element. The liquid crystal display element can be effectively used as a display element for liquid crystal TVs, monitors, and the like.Type: ApplicationFiled: December 4, 2014Publication date: October 20, 2016Applicant: DIC CorporationInventors: Shinji OGAWA, Yoshinori IWASHITA, Takeshi KURIYAMA, Shinichi HIRATA
-
Patent number: 9464229Abstract: There is provided an FFS mode liquid crystal display device that uses a liquid crystal composition which has a negative dielectric anisotropy and can achieve good display properties by being used for FFS mode liquid crystal display devices without degrading the image sticking property of display devices and various properties of liquid crystal display devices, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and ?1. The liquid crystal composition contains at least one compound selected from the group of compounds represented by general formula (I) below, at least one compound selected from the group of compounds represented by general formula (II) below, and at least one compound selected from the group of compounds represented by general formula (III) below.Type: GrantFiled: October 2, 2013Date of Patent: October 11, 2016Assignee: DIC CORPORATIONInventors: Kazuki Kurisawa, Shinji Ogawa, Yoshinori Iwashita
-
Patent number: 9464231Abstract: There is provided a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and which overcomes problems of defective display such as voids, uneven alignment, and screen burn-in. The liquid crystal display device prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and reduces defective display such as screen burn-in; hence, such a liquid crystal display device is particularly useful as liquid crystal display devices of a VA mode and PSVA mode which involve active matrix driving and can be applied to the liquid crystal display devices of liquid crystal TV sets, monitors, mobile phones, and smartphones.Type: GrantFiled: March 12, 2014Date of Patent: October 11, 2016Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Hiroshi Maki, Junichiro Koike, Masami Shishikura, Ryosuke Asami
-
Publication number: 20160289560Abstract: Provided is a liquid crystal display device including first and second opposing substrates, a liquid crystal layer containing a liquid crystal composition between the first and second substrates, a plurality of gate lines and data lines arranged in a matrix on the first substrate, thin-film transistors disposed at intersections of the gate lines and the data lines, and pixel electrodes that are driven by the transistors and that are made of a transparent conductive material. Each thin-film transistor includes a gate electrode, an oxide semiconductor layer disposed over the gate electrode with an insulating layer therebetween, and source and drain electrodes electrically connected to the oxide semiconductor layer. The liquid crystal composition contains at least one compound selected from the group consisting of compounds represented by general formulas (LC1) and (LC2) and at least one compound selected from the group consisting of compounds represented by general formulas (II-a) to (II-f).Type: ApplicationFiled: November 4, 2014Publication date: October 6, 2016Applicant: DIC CorporationInventors: Shinji Ogawa, Yoshinori Iwashita
-
Publication number: 20160272889Abstract: Provided is a liquid crystal display device including first and second opposing substrates, a liquid crystal layer containing a liquid crystal composition between the first and second substrates, thin-film transistors disposed on the first substrate, and pixel electrodes that are driven by the transistors and that are made of a transparent conductive material. Each thin-film transistor includes a gate electrode, an oxide semiconductor layer disposed over the gate electrode with an insulating layer therebetween, and source and drain electrodes electrically connected to the oxide semiconductor layer. The liquid crystal composition contains at least one compound selected from the group consisting of compounds represented by general formulas (LC3) to (LC5) and at least one compound selected from the group consisting of compounds represented by general formulas (II-a) to (II-f).Type: ApplicationFiled: November 4, 2014Publication date: September 22, 2016Applicant: DIC CorporationInventors: Shinji Ogawa, Yoshinori Iwashita
-
Patent number: 9441158Abstract: The present invention provides a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and which overcomes problems of defective display such as dropouts, uneven alignment, and screen burn-in. The liquid crystal display device of the present invention prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and reduces defective display such as screen burn-in; hence, such a liquid crystal display device is properly used as liquid crystal display devices of a VA mode and PSVA mode which involve active matrix driving and can be applied to liquid crystal display devices of liquid crystal TV sets, monitors, mobile phones, and smartphones.Type: GrantFiled: May 23, 2013Date of Patent: September 13, 2016Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Seiji Funakura, Isao Oshiumi, Katsunori Shimada
-
Publication number: 20160252784Abstract: The present invention provides an FFS mode liquid crystal display device that uses a liquid crystal composition which has a negative dielectric anisotropy and can achieve good display properties by being used for FFS mode liquid crystal display devices without degrading the image sticking property of display devices and various properties of liquid crystal display devices, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and ?1. The liquid crystal composition contains at least one compound selected from the group of compounds represented by general formula (I) below and at least one compound selected from the group of compounds represented by general formula (II) below.Type: ApplicationFiled: May 10, 2016Publication date: September 1, 2016Applicant: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi
-
Patent number: 9428577Abstract: The present invention provides antibodies, or antigen-binding fragment thereof, which specifically bind to PDGF-B. The invention further provides a method of obtaining such antibodies and nucleic acids encoding the same. The invention further relates to compositions and therapeutic methods for use of these antibodies for the treatment and/or prevention of PDGF-B mediated diseases, disorders or conditions.Type: GrantFiled: November 8, 2013Date of Patent: August 30, 2016Assignee: Pfizer Inc.Inventors: Robert Arch, Gregory Carven, Jun Kuai, Lydia Mosyak, Shinji Ogawa, Dirk Ponsel, Robert Rauchenberger
-
Publication number: 20160230096Abstract: A liquid crystal display device with few drop marks left during manufacture is provided without degrading the image-sticking characteristics of the liquid crystal display device or other characteristics fundamental to liquid crystal display devices, such as dielectric anisotropy, viscosity, upper nematic phase temperature limit, and rotational viscosity (?1), and a method for manufacturing such a liquid crystal display device is also provided. A liquid crystal display device 10 according to the present invention includes a first substrate 11, a second substrate 12, a liquid crystal composition layer 13 disposed therebetween, and vertical alignment layers 16 and 17 containing a polymer of a monofunctional reactive-group-containing polymerizable compound and a polyfunctional reactive-group-containing polymerizable compound.Type: ApplicationFiled: September 18, 2014Publication date: August 11, 2016Applicant: DIC CorporationInventors: Shinji Ogawa, Yoshinori Iwashita, Takeshi Kuriyama, Hyobok Cha
-
Publication number: 20160208168Abstract: An object of the present invention is to provide a liquid crystal display element using a liquid crystal composition in which various characteristics of the liquid crystal display element such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at a low temperature, and ?1, and a burn-in characteristic of the display element are not deteriorated. The present invention provides a liquid crystal composition having excellent low temperature stability while maintaining a high speed response of the liquid crystal composition by using a liquid crystal composition containing a compound represented by General Formula (A) and a compound represented by General Formula (M), and a liquid crystal display element including the composition.Type: ApplicationFiled: August 20, 2013Publication date: July 21, 2016Applicant: DIC CorporationInventors: Yoshinori Iwashita, Shinji Ogawa
-
Patent number: 9376618Abstract: The present invention provides an FFS mode liquid crystal display device that uses a liquid crystal composition which has a negative dielectric anisotropy and can achieve good display properties by being used for FFS mode liquid crystal display devices without degrading the image sticking property of display devices and various properties of liquid crystal display devices, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and ?1. The liquid crystal composition contains at least one compound selected from the group of compounds represented by general formula (I) below and at least one compound selected from the group of compounds represented by general formula (II) below.Type: GrantFiled: October 2, 2013Date of Patent: June 28, 2016Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi
-
Publication number: 20160152893Abstract: The present invention provides a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and which overcomes problems of defective display such as dropouts, uneven alignment, and screen burn-in. The liquid crystal display device of the present invention prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and reduces defective display such as screen burn-in; hence, such a liquid crystal display device is properly used as liquid crystal display devices of a VA mode and PSVA mode which involve active matrix driving and can be applied to liquid crystal display devices of liquid crystal TV sets, monitors, mobile phones, and smartphones.Type: ApplicationFiled: May 23, 2013Publication date: June 2, 2016Applicant: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Seiji Funakura, Isao Oshiumi, Katsunori Shimada
-
Publication number: 20160108316Abstract: There is provided a liquid crystal display device which enables reductions in image sticking and droplet stains caused in production thereof without degradation of properties such as dielectric anisotropy, viscosity, the upper limit of the temperature of nematic phase, and rotational viscosity (?1); and there is also provided a method for manufacturing such a liquid crystal display device.Type: ApplicationFiled: January 30, 2014Publication date: April 21, 2016Applicant: DIC CORPORATIONInventors: Kazuki Kurisawa, Masanao Hayashi, Shinji Ogawa
-
Patent number: 9298033Abstract: The present invention relates to a liquid crystal display device that includes a particular liquid crystal composition and a color filter that uses a particular pigment. The present invention provides a liquid crystal display device that prevents a decrease in voltage holding ratio (VHR) and an increase in ion density (ID) in a liquid crystal layer and resolves the problems of display defects such as white streaks, alignment nonuniformity, and image sticking. Since the liquid crystal display device of the present invention prevents a decrease in voltage holding ratio (VHR) and an increase in ion density (ID) in the liquid crystal layer and resolves the problems of display defects such as image sticking, the liquid crystal display device is useful as VA-mode and PSVA-mode liquid crystal display devices of an active matrix drive type, and is applicable to liquid crystal display devices of liquid crystal televisions, monitors, cellular phones, smart phones, etc.Type: GrantFiled: March 31, 2014Date of Patent: March 29, 2016Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Akira Kimura, Seiji Funakura, Katsunori Shimada
-
Publication number: 20160075948Abstract: There is provided a liquid crystal display device which prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and which overcomes problems of defective display such as dropouts, uneven alignment, and screen burn-in. The liquid crystal display device of the present invention prevents a decrease in the voltage holding ratio (VHR) of a liquid crystal layer and an increase in ion density (ID) therein and reduces defective display such as screen burn-in; hence, such a liquid crystal display device is properly used as liquid crystal display devices of a VA mode and PSVA mode which involve active matrix driving and can be applied to liquid crystal display devices of liquid crystal TV sets, monitors, mobile phones, and smartphones.Type: ApplicationFiled: June 6, 2013Publication date: March 17, 2016Applicant: DIC CorporationInventors: Shinji Ogawa, Yoshinori Iwashita, Seiji Funakura, Katsunori Shimada
-
Publication number: 20160075946Abstract: 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: ApplicationFiled: March 26, 2013Publication date: March 17, 2016Applicants: DIC CORPORATION, DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Jouji Kawamura, Makoto Negishi
-
Publication number: 20160068752Abstract: There is provided a liquid crystal composition suitable for use in a liquid crystal display element that suffers less from drop marks that occur during production without degrading ghosting properties of the display element and various properties of the liquid crystal display element, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and ?1, and with which a stable amount of a liquid crystal material can be discharged in an ODF process. A liquid crystal display element that uses the liquid crystal composition is also provided. The present invention relates to a liquid crystal composition having negative dielectric anisotropy and containing a compound represented by formula (I), one or more compounds represented by general formula (II-1), and one or more compounds represented by general formula (II-2). The present invention also relates to a liquid crystal display element that uses the liquid crystal composition.Type: ApplicationFiled: March 21, 2013Publication date: March 10, 2016Applicant: DIC CORPORATIONInventors: Yoshinori Iwashita, Masahiro Niwa, Shinji Ogawa
-
Publication number: 20160060522Abstract: There is provided an FFS mode liquid crystal display device that uses a liquid crystal composition which has a negative dielectric anisotropy and can achieve good display properties by being used for FFS mode liquid crystal display devices without degrading the image sticking property of display devices and various properties of liquid crystal display devices, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, and ?1. The liquid crystal composition contains at least one compound selected from the group of compounds represented by general formula (I) below, at least one compound selected from the group of compounds represented by general formula (II) below, and at least one compound selected from the group of compounds represented by general formula (III) below.Type: ApplicationFiled: October 2, 2013Publication date: March 3, 2016Applicant: DIC CorporationInventors: Kazuki Kurisawa, Shinji Ogawa, Yoshinori Iwashita
-
Patent number: 9261733Abstract: Provided are a liquid crystal display device that suppresses occurrence of drop marks during production without degrading various properties, such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, rotational viscosity (?1), and ghosting property, and a method for producing the liquid crystal display device. A liquid crystal display device 10 of the present invention includes a liquid crystal composition layer 13 sandwiched between a first substrate 11 and a second substrate 12 and vertical alignment films 16 and 17 that contain a polymer of a polymerizable compound having a reactive group. The liquid crystal composition constituting the liquid crystal composition layer 13 contains compounds represented by general formulae (I) and (II).Type: GrantFiled: September 5, 2012Date of Patent: February 16, 2016Assignee: DIC CORPORATIONInventors: Shinji Ogawa, Yoshinori Iwashita, Takeshi Kuriyama