Patents by Inventor Noriaki Onishi

Noriaki Onishi 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: 20050162589
    Abstract: The liquid crystal display device includes a first substrate, a second substrate opposed to the first substrate, and a vertically aligned liquid crystal layer interposed between the first and second substrates, and has a plurality of pixels arranged in a matrix having rows and columns. Each pixel includes a first electrode formed on the first substrate, a second electrode formed on the second substrate, and the liquid crystal layer interposed between the first and second electrodes. The first substrate has a shading region in gaps between the plurality of pixels, and a wall structure is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region. The first and second electrodes have at least one opening formed at a predetermined position in the pixel.
    Type: Application
    Filed: December 23, 2004
    Publication date: July 28, 2005
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Kume, Kazuhiko Tamai, Nobukazu Nagae, Noriaki Onishi
  • Publication number: 20050140916
    Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.
    Type: Application
    Filed: December 7, 2004
    Publication date: June 30, 2005
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
  • Publication number: 20050117108
    Abstract: A liquid crystal display device including a first substrate 110a, a second substrate 110b placed to face the first substrate, a liquid crystal layer 120 interposed between the first and second substrates, a first electrode 111 formed on the first substrate, a second electrode 131 formed on the second substrate, an interlayer insulating film 115a placed between the first electrode and the first substrate, and a wall structure 115b formed integrally with the interlayer insulating film. The liquid crystal display device has a plurality of pixels each including the first electrode, the second electrode and the liquid crystal layer interposed between the first and second electrodes. A shading region surrounds each of the plurality of pixels, and the wall structure is placed regularly in the shading region. A groove structure 415a may be formed in place of the wall structure.
    Type: Application
    Filed: November 4, 2004
    Publication date: June 2, 2005
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Noriaki Onishi, Kazuhiko Tamai, Nobukazu Nagae, Hiroaki Kojima, Takashi Kurihara, Nobuaki Yamada
  • Publication number: 20050068482
    Abstract: A liquid crystal display apparatus includes a first substrate; a second substrate provided so as to face the first substrate; a vertical alignment type liquid crystal layer provided between the first substrate and the second substrate; a plurality of pixel areas each including a first electrode provided on the first substrate, a second electrode provided on the second substrate, and the liquid crystal layer provided between the first electrode and the second electrode; and a wall structure regularly arranged on a surface of the first electrode closer to the liquid crystal layer. The liquid crystal layer, when being provided with at least a prescribed voltage, forms at least one liquid crystal domain exhibiting a radially inclined orientation in an area substantially surrounded by the wall structure.
    Type: Application
    Filed: September 29, 2004
    Publication date: March 31, 2005
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takaaki Okamoto
  • Patent number: 6577356
    Abstract: The liquid crystal display (LCD) device of the invention includes: a substrate; a dielectric layer; a liquid crystal layer sandwiched by the substrate and the dielectric layer; a plurality of stripe-shaped electrodes formed on a surface of the substrate facing the liquid crystal layer to extend in parallel with a first direction; and a plurality of stripe-shaped plasma channels formed to face the plurality of electrodes with the liquid crystal layer and the dielectric layer therebetween to extend in parallel with a second direction different from the first direction. The dielectric layer or an alignment layer formed on a surface of the dielectric layer facing the liquid crystal layer selectively attenuates ultraviolet rays emitted from the plasma channels.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: June 10, 2003
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Aya Miyazaki
  • Publication number: 20030020843
    Abstract: The liquid crystal display (LCD) device of the invention includes: a substrate; a dielectric layer; a liquid crystal layer sandwiched by the substrate and the dielectric layer; a plurality of stripe-shaped electrodes formed on a surface of the substrate facing the liquid crystal layer to extend in parallel with a first direction; and a plurality of stripe-shaped plasma channels formed to face the plurality of electrodes with the liquid crystal layer and the dielectric layer therebetween to extend in parallel with a second direction different from the first direction. The dielectric layer or an alignment layer formed on a surface of the dielectric layer facing the liquid crystal layer selectively attenuates ultraviolet rays emitted from the plasma channels.
    Type: Application
    Filed: December 7, 2000
    Publication date: January 30, 2003
    Inventors: Noriaki Onishi, Aya Miyazaki
  • Patent number: 6388146
    Abstract: The polymerizable compound of this invention is represented by general formula (I): where R is H, R′, R′O, R′COO, or R′OCO, R′ is a linear or branched alkyl group or alkenyl group having 1 to about 15 carbon atoms, A1 and A2 are independently a cyclohexane ring or a benzene ring which may include a substituent represented by formula (II) below; X is H or CH3; and Y1, Y2, Y3, and Y4 are independently H, F, Cl, CH3, CH3O, CF3, or CF3O wherein at least two of Y1, Y2, Y3, and Y4 are H and, if both A1 and A2 are cyclohexane rings, at least one of Y1, Y2, Y3, and Y4 is not H: where Y5, Y6, Y7, and Y8 are independently H, F, Cl, CH3, CH3O, CF3, or CF3O, at least two of Y5, Y6, Y7, and Y8 are H.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: May 14, 2002
    Assignees: Sharp Kabushiki Kaisha, Kanto Kagaku Kabushiki Kaisha
    Inventors: Noriaki Onishi, Aya Miyazaki, Hoyo Mizobe, Masahiko Yoshida, Kenji Suzuki
  • Patent number: 6074708
    Abstract: A photoinitiator is represented by general formula (I): ##STR1## where n is an integer of 1 or greater; A and B are each a trans cyclohexane ring or a benzene ring, the benzene ring being allowed to include a fluorine atom or a methyl group as a substituent, the benzene ring adjacent to a carbonyl group being allowed to include a fluorine atom or a methyl group as a substituent; p and q are each 0 or 1, p and q are not simultaneously 0; X is an alkyl group of C.sub.1 through C.sub.3 or hydrogen atom, Y is a methyl group, ethyl group or alkoxy group of C.sub.1 through C.sub.3, and Z is a methyl group, ethyl group, alkyl-substituted phenyl group or a group represented by general formula (II), Y and Z being allowed to bonded together to form a ring: ##STR2## where A, B, n, p and q are identical with those in general formula (I).
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: June 13, 2000
    Assignees: Sharp Kabushiki Kaisha, Nippon Kayaku Co., Ltd.
    Inventors: Noriaki Onishi, Aya Miyazaki, Daisaku Matsunaga, Touru Ozaki
  • Patent number: 5844643
    Abstract: A liquid crystal display device includes a pair of electrode substrates at least one of which is transparent, a display medium having a liquid crystal region surrounded by a polymer region, and a plurality of pixels. The display medium is interposed between the pair of substrates. A difference between an upper limit value and a lower limit value of a phase transition temperature between a liquid crystal phase and an isotropic liquid phase of a liquid crystal composition constituting the liquid crystal region is 7.0.degree. C. or more.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: December 1, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Nobuaki Yamada
  • Patent number: 5814378
    Abstract: The present invention provides a polymerizable compound represented by Formula (I): ##STR1## where X represents a hydrogen atom or a methyl group; 1 represents an integer in the range of 0 to 14; m represents 0 or 1; n represents 0 or 1; p represents an integer in the range of 0 to 6; and q represents an integer in the range of 0 to 9, wherein m is 0 under the condition 1=0, and 1 under the condition 1.noteq.0.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: September 29, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Nobuaki Yamada, Kenji Suzuki, Hoyo Mizobe, Masahiko Yoshida
  • Patent number: 5750213
    Abstract: A polymerizable compound represented by Formula (I): ##STR1## where X is a hydrogen atom or a methyl group; l and m are independently an integer of 0 to 14; Y is a single bond, --COO--, --OCO--, or --O--; n and p are independently an integer of 0 to 18; q and s are independently an integer of 0 or 1; and R.sup.A and R.sup.B are independently represented by Formula (II) or (III); ##STR2## provided that, when q=1, p.gtoreq.2; and when R.sup.A is represented by the Formula (II), R.sup.B is represented by the Formula (II).
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: May 12, 1998
    Assignees: Sharp Kabushiki Kaisha, Kanto Kagaku Kabushiki Kaisha
    Inventors: Noriaki Onishi, Nobuaki Yamada, Masahiko Yoshida, Hoyo Mizobe, Kenji Suzuki
  • Patent number: 5709911
    Abstract: A polymerizable compound represented by Formula (I): ##STR1## where X is a hydrogen atom or a methyl group; Y and Z are independently a hydrogen atom or a fluorine atom; l is an integer of 0 to 14; m and n are independently an integer of 0 or 1; R is represented by Formula (II), (III), or (IV); and when m=1, l.gtoreq.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: January 20, 1998
    Assignees: Sharp Kabushiki Kaisha, Kanto Kagaku Kabushiki Kaisha
    Inventors: Noriaki Onishi, Nobuaki Yamada, Masahiko Yoshida, Hoyo Mizobe, Kenji Suzuki
  • Patent number: 5706109
    Abstract: A display medium layer is sandwiched between a TFT substrate and a counter substrate. In the display medium layer, resin walls are respectively formed in regions other than those where a plurality of segmented electrodes are formed, and liquid crystal portions are respectively formed in regions between the respective resin walls, corresponding to those where the segmented electrodes are formed. Disclination lines are formed on the interfaces between the resin walls and the liquid crystal regions. In a liquid crystal display device, liquid crystal molecules in the liquid crystal regions are radially oriented and at least one liquid crystal domain is formed in each liquid crystal region.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: January 6, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Nobuaki Yamada, Nobukazu Nagae, Noriaki Onishi, Shuichi Kozaki, Masayuki Okamoto, Motohiro Yamahara, Masahiko Kondo, Wataru Horie
  • Patent number: 5667720
    Abstract: A liquid crystal display device according to the present invention includes a pair of opposing substrates and polymer dispersed liquid crystal interposed between the pair of opposing substrates, the polymer dispersed liquid crystal including a polymer matrix and a plurality of liquid crystal droplets partitioned by the polymer matrix. The polymer matrix and the plurality of liquid crystal droplets are formed by applying light and/or heat to a polymer dispersed liquid crystal precursor in which a polymer for forming the polymer matrix and liquid crystal molecules for forming the liquid crystal droplets are combined via a combining group, the combining group being cleaved by the application of light and/or heat.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: September 16, 1997
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Shuichi Kohzaki
  • Patent number: 5643471
    Abstract: A liquid crystal device of the present invention includes a pair of substrates opposed to each other with a composite containing polymer regions and liquid crystal regions interposed therebetween, at least one of the substrates being transparent, wherein an insulator as a gap keeping member for keeping a gap between the substrates is formed in the polymer regions.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: July 1, 1997
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Masayuki Okamoto, Toshiyuki Hirai, Nobuaki Yamada, Nobukazu Nagae, Masahiko Kondo, Shin-ichi Terashita
  • Patent number: 5627665
    Abstract: According to the present invention, a display medium layer is sandwiched between a TFT substrate and a counter substrate. In the display medium layer, resin walls are respectively formed in regions other than those where a plurality of segmented electrodes are formed, and liquid crystal portions are respectively formed in regions between the respective resin walls, corresponding to those where the segmented electrodes are formed. Disclination lines are formed on the interfaces between the resin walls and the liquid crystal regions. In a liquid crystal display device, liquid crystal molecules in the liquid crystal regions are radially oriented and at least one liquid crystal domain is formed in each liquid crystal region.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: May 6, 1997
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Nobuaki Yamada, Nobukazu Nagae, Noriaki Onishi, Shuichi Kozaki, Masayuki Okamoto, Motohiro Yamahara, Masahiko Kondo, Wataru Horie
  • Patent number: 5624974
    Abstract: A photopolymerizable resin material composition for forming a polymer used for a liquid crystal display apparatus includes at least one acrylate compound selected from the group consisting of a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.ltoreq..alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8 and a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8 and a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, and a photopolymerization delaying resin material.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: April 29, 1997
    Assignees: Sharp Kabushiki Kaisha, Nippon Kayaku Co., Ltd.
    Inventors: Noriaki Onishi, Nobuaki Yamada, Shuichi Kohzaki, Daisaku Matsunaga, Takao Aizawa, Toru Ozaki
  • Patent number: 5620630
    Abstract: A liquid crystal display device according to the present invention includes a pair of electrode substrates and a polymer dispersed liquid crystal complex film interposed between the pair of substrates. The polymer dispersed liquid crystal complex film includes a liquid crystal composition and a polymer resin composition. It is ensured that a value .DELTA.T is 25.degree. C. or less, and a glass transition temperature T.sub.g of the polymer resin composition is 60.degree. C. or more, the value .DELTA.T being defined as a difference between a phase transition temperature T.sub.CI of the liquid crystal composition between a liquid crystal phase and an isotropic liquid phase thereof and a phase transition temperature T.sub.matrix of the polymer dispersed liquid crystal complex film.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: April 15, 1997
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Nobuaki Yamada, Masahiko Kondo, Nobukazu Nagae, Toshiyuki Hirai, Shuichi Kohzaki
  • Patent number: 5608555
    Abstract: A liquid crystal display device according to the present invention includes a pair of electrode substrates and a polymer dispersed liquid crystal complex film interposed between the pair of substrates. The polymer dispersed liquid crystal complex film includes a liquid crystal composition and a polymer resin composition. It is ensured that a value .DELTA.T is 25.degree. C. or less, and a glass transition temperature T.sub.g of the polymer resin composition is 60.degree. C. or more, the value .DELTA.T being defined as a difference between a phase transition temperature T.sub.CI of the liquid crystal composition between a liquid crystal phase and an isotropic liquid phase thereof and a phase transition temperature T.sub.matrix of the polymer dispersed liquid crystal complex film.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: March 4, 1997
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Noriaki Onishi, Nobuaki Yamada, Masahiko Kondo, Nobukazu Nagae, Toshiyuki Hirai, Shuichi Kohzaki
  • Patent number: RE38288
    Abstract: A display medium layer is sandwiched between a TFT substrate and a counter substrate. In the display medium layer, resin walls are respectively formed in regions other than those where a plurality of segmented electrodes are formed, and liquid crystal portions are respectively formed in regions between the respective resin walls, corresponding to those where the segmented electrodes are formed. Disclination lines are formed on the interfaces between the resin walls and the liquid crystal regions. In a liquid crystal display device, liquid crystal molecules in the liquid crystal regions are radially oriented and at least one liquid crystal domain is formed in each liquid crystal region.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: October 28, 2003
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Nobuaki Yamada, Nobukazu Nagae, Noriaki Onishi, Shuichi Kozaki, Masayuki Okamoto, Motohiro Yamahara, Masahiko Kondo, Wataru Horie