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).
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Patent number: 7724326Abstract: The liquid crystal display device of the invention has a plurality of pixels, each including a first electrode 111, a second electrode 131 and a vertically aligned liquid crystal layer 120 interposed between the first and second electrodes. The first electrode has at least one opening 114 or cut 113 formed at a predetermined position in the pixel. At least one shading conductive layer 116 electrically connected to the first electrode is formed at least near the at least one opening or cut. In each of the plurality of pixels, a plurality of regions in which the directions of tilt of liquid crystal molecules are different from one another are formed when at least a predetermined voltage is applied across the liquid crystal layer.Type: GrantFiled: February 22, 2005Date of Patent: May 25, 2010Assignee: Sharp Kabushiki KaishaInventors: Tsunanori Kitoh, Takeshi Kawahara, Kazuhiko Tamai, Noriaki Onishi, Yasuhiro Kume, Takaaki Okamoto
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Patent number: 7705943Abstract: 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: GrantFiled: April 3, 2009Date of Patent: April 27, 2010Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
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Patent number: 7701538Abstract: 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: GrantFiled: May 1, 2008Date of Patent: April 20, 2010Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi
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Patent number: 7697099Abstract: 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: GrantFiled: November 4, 2004Date of Patent: April 13, 2010Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Noriaki Onishi, Kazuhiko Tamai, Nobukazu Nagae, Hiroaki Kojima, Takashi Kurihara, Nobuaki Yamada
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Patent number: 7646459Abstract: 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: GrantFiled: December 23, 2004Date of Patent: January 12, 2010Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Kazuhiko Tamai, Nobukazu Nagae, Noriaki Onishi
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Publication number: 20090244457Abstract: A liquid crystal display device includes a TFT substrate and a CF substrate arranged to face each other and a liquid crystal layer sandwiched therebetween, wherein a plurality of first supports are arranged to extend from one of the substrates to reach the other substrate and a plurality of second support, which are shorter than the first supports, are arranged to extend from one of the substrates to the other substrate.Type: ApplicationFiled: July 24, 2006Publication date: October 1, 2009Applicant: SHARP KABUSHIKI KAISHAInventors: Noriaki Onishi, Naohisa Sonku, Yusuke Tsuda, Hiroaki Kojima, Yasunobu Tagusa
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Publication number: 20090201454Abstract: 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: ApplicationFiled: April 3, 2009Publication date: August 13, 2009Applicant: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
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Publication number: 20090161049Abstract: In a liquid crystal display apparatus in which a liquid crystal domain having radially tilted orientation is formed in a pixel, high-quality reflection display with occurrence of an afterimage being suppressed is attained. The liquid crystal display apparatus of this invention includes a first substrate 110a, a second substrate 110b and a vertically aligned liquid crystal layer 120 placed therebetween, and has pixels each including a first electrode 111, a second electrode 131 and a liquid crystal layer located therebetween. The first substrate includes a reflection layer 116 having a concave/convex surface and an insulating layer 117 formed to cover the reflection layer. The first electrode 111 is placed on the insulating layer 117 and has a shape defined to exert alignment regulating force with which at least one liquid crystal domain having radially tilted orientation is formed in the liquid crystal layer in a voltage applied state.Type: ApplicationFiled: March 20, 2006Publication date: June 25, 2009Inventors: Noriaki Onishi, Kazuhiko Tamai, Takaaki Okamoto
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Publication number: 20090046235Abstract: A liquid crystal display panel includes an active matrix substrate, a counter substrate, a liquid crystal layer, and a sealant. The counter electrode is opposed to the active matrix substrate. The liquid crystal layer is provided between the active matrix substrate and the counter substrate. The sealant, which surrounds the liquid crystal layer between the active matrix substrate and the counter substrate, joins the active matrix substrate and the counter substrate and seals the liquid crystal layer. A portion of the surface on the liquid crystal layer side of the active matrix substrate which is located at the periphery of the liquid crystal display panel is flat.Type: ApplicationFiled: September 13, 2006Publication date: February 19, 2009Applicant: SHARP KABUSHIKI KAISHAInventors: Noriaki Onishi, Yohsuke Fujikawa, Hiroaki Tomioka, Hiroaki Kojima, Yasunobu Tagusa
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Publication number: 20090021680Abstract: A liquid crystal panel 11 includes a pair of substrates 18, 19, liquid crystal 20 disposed between the substrates 18, 19, and alignment films 30, 36 provided on the opposed surfaces of the substrates 18, 19. After formation of the alignment film 30 or 36 is completed in a manufacturing process, it is checked by an inspection process whether a pinhole H is formed on the alignment film 30, 36, and further the position of the pinhole H is detected. Thereafter, an alignment film repair filler 50 is applied to the pinhole H by a repair process, so that the pinhole H is repaired.Type: ApplicationFiled: September 19, 2008Publication date: January 22, 2009Inventors: Noriaki ONISHI, Kimitaka Ohhata, Jun Mlkaml
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Patent number: 7443475Abstract: 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: GrantFiled: June 29, 2007Date of Patent: October 28, 2008Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takaaki Okamoto
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Publication number: 20080225211Abstract: The liquid crystal display device of the present invention includes a first substrate, a second substrate and a vertically aligned liquid crystal layer interposed between the first and second substrate. The device has a plurality of pixels each including 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 electrode, and a shading region provided around the pixels. A plurality of supports for defining the thickness of the liquid crystal layer are placed regularly on the surface of the first or second substrate facing the liquid crystal layer in the shading region. The liquid crystal layer forms at least one liquid crystal domain exhibiting axisymmetric alignment when at least a predetermined voltage is applied, and the tilt direction of liquid crystal molecules in the at least one liquid crystal domain is defined with inclined sides of the plurality of supports.Type: ApplicationFiled: May 20, 2008Publication date: September 18, 2008Applicant: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi
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Publication number: 20080218677Abstract: 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: ApplicationFiled: May 1, 2008Publication date: September 11, 2008Applicant: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
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Patent number: 7391489Abstract: The liquid crystal display device of the present invention includes a first substrate, a second substrate and a vertically aligned liquid crystal layer interposed between the first and second substrate. The device has a plurality of pixels each including 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 electrode, and a shading region provided around the pixels. A plurality of supports for defining the thickness of the liquid crystal layer are placed regularly on the surface of the first or second substrate facing the liquid crystal layer in the shading region. The liquid crystal layer forms at least one liquid crystal domain exhibiting axisymmetric alignment when at least a predetermined voltage is applied, and the tilt direction of liquid crystal molecules in the at least one liquid crystal domain is defined with inclined sides of the plurality of supports.Type: GrantFiled: March 8, 2005Date of Patent: June 24, 2008Assignee: Sharp Kabushiki KaishiaInventors: Yasuhiro Kume, Kazuhiko Tamai, Noriaki Onishi
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Patent number: 7385660Abstract: 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: GrantFiled: December 7, 2004Date of Patent: June 10, 2008Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
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Publication number: 20070273799Abstract: 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: ApplicationFiled: June 29, 2007Publication date: November 29, 2007Applicant: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takaaki Okamoto
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Patent number: 7253872Abstract: 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: GrantFiled: September 29, 2004Date of Patent: August 7, 2007Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takaaki Okamoto
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Publication number: 20050280754Abstract: 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 each including 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. A color filter layer of the second substrate has at least one hole formed at a predetermined position in each pixel.Type: ApplicationFiled: June 16, 2005Publication date: December 22, 2005Inventors: Yasuhiro Kume, Noriaki Onishi, Kazuhiko Tamai, Hiroaki Kojima, Nobukazu Nagae
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Publication number: 20050200784Abstract: The liquid crystal display device of the present invention includes a first substrate, a second substrate and a vertically aligned liquid crystal layer interposed between the first and second substrate. The device has a plurality of pixels each including 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 electrode, and a shading region provided around the pixels. A plurality of supports for defining the thickness of the liquid crystal layer are placed regularly on the surface of the first or second substrate facing the liquid crystal layer in the shading region. The liquid crystal layer forms at least one liquid crystal domain exhibiting axisymmetric alignment when at least a predetermined voltage is applied, and the tilt direction of liquid crystal molecules in the at least one liquid crystal domain is defined with inclined sides of the plurality of supports.Type: ApplicationFiled: March 8, 2005Publication date: September 15, 2005Applicant: SHARP KABUSHIKI KAISHAInventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi
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Publication number: 20050185120Abstract: The liquid crystal display device of the invention has a plurality of pixels, each including a first electrode 111, a second electrode 131 and a vertically aligned liquid crystal layer 120 interposed between the first and second electrodes. The first electrode has at least one opening 114 or cut 113 formed at a predetermined position in the pixel. At least one shading conductive layer 116 electrically connected to the first electrode is formed at least near the at least one opening or cut. In each of the plurality of pixels, a plurality of regions in which the directions of tilt of liquid crystal molecules are different from one another are formed when at least a predetermined voltage is applied across the liquid crystal layer.Type: ApplicationFiled: February 22, 2005Publication date: August 25, 2005Applicant: SHARP KABUSHIKI KAISHAInventors: Tsunanori Kitoh, Takeshi Kawahara, Kazuhiko Tamai, Noriaki Onishi, Yasuhiro Kume, Takaaki Okamoto