Patents by Inventor Masayuki Kametani
Masayuki Kametani 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: 8823915Abstract: Disclosed herein is a liquid crystal display panel in which circumferences of a pair of substrates disposed so as to face each other are stuck at a given distance to each other by a seal material, a liquid crystal inlet is formed in a part of the seal material, and a liquid crystal is sealed in an inner space defined between the substrates paired with each other, the liquid crystal display panel including a resin film being formed on the inner space side of one of the pair of substrates, and an inorganic insulating film being formed on a surface side of the resin film. An area not having the inorganic insulating film being present therein is formed in the liquid crystal panel.Type: GrantFiled: February 15, 2011Date of Patent: September 2, 2014Assignee: Japan Display West Inc.Inventors: Yoshihiro Akai, Masayuki Kametani, Takayuki Kato
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Patent number: 8537316Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: GrantFiled: November 28, 2012Date of Patent: September 17, 2013Assignee: Sanyo Electric Co., Ltd.Inventors: Norio Koma, Kazuyuki Maeda, Masayuki Kametani, Kazuhiro Inoue, Masaaki Aota
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Publication number: 20130088676Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: ApplicationFiled: November 28, 2012Publication date: April 11, 2013Inventors: Norio KOMA, Kazuyuki MAEDA, Masayuki KAMETANI, Kazuhiro INOUE, Masaaki AOTA
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Patent number: 8345198Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: GrantFiled: November 23, 2011Date of Patent: January 1, 2013Assignee: Sanyo Electric Co., Ltd.Inventors: Norio Koma, Kazuyuki Maeda, Masayuki Kametani, Kazuhiro Inoue, Masaaki Aota
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Publication number: 20120069285Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: ApplicationFiled: November 23, 2011Publication date: March 22, 2012Applicant: SANYO ELECTRIC CO., LTD.Inventors: Norio KOMA, Kazuhiro INOUE, Kazuyuki MAEDA, Masaaki AOTA, Masayuki KAMETANI
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Patent number: 8089596Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap in the reflective region is smaller than a gap in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: GrantFiled: December 10, 2010Date of Patent: January 3, 2012Assignee: Sanyo Electric Co., Ltd.Inventors: Norio Koma, Kazuhiro Inoue, Kazuyuki Maeda, Masaaki Aota, Masayuki Kametani
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Publication number: 20110205477Abstract: Disclosed herein is a liquid crystal display panel in which circumferences of a pair of substrates disposed so as to face each other are stuck at a given distance to each other by a seal material, a liquid crystal inlet is formed in a part of the seal material, and a liquid crystal is sealed in an inner space defined between the substrates paired with each other, the liquid crystal display panel including a resin film being formed on the inner space side of one of the pair of substrates, and an inorganic insulating film being formed on a surface side of the resin film. An area not having the inorganic insulating film being present therein is formed in the liquid crystal panel.Type: ApplicationFiled: February 15, 2011Publication date: August 25, 2011Applicant: Sony CorporationInventors: YOSHIHIRO AKAI, MASAYUKI KAMETANI, TAKAYUKI KATO
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Publication number: 20110090442Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap in the reflective region is smaller than a gap in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: ApplicationFiled: December 10, 2010Publication date: April 21, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Norio KOMA, Kazuhiro INOUE, Kazuyuki MAEDA, Masaaki AOTA, Masayuki KAMETANI
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Patent number: 7876407Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: GrantFiled: June 25, 2009Date of Patent: January 25, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Norio Koma, Kazuhiro Inoue, Kazuyuki Maeda, Masaaki Aota, Masayuki Kametani
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Publication number: 20090262289Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: ApplicationFiled: June 25, 2009Publication date: October 22, 2009Applicant: SANYO ELECTRIC CO., LTD.Inventors: Norio KOMA, Kazuhiro INOUE, Kazuyuki MAEDA, Masaaki AOTA, Masayuki KAMETANI
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Patent number: 7593090Abstract: A process for manufacturing a liquid crystal panel where a liquid crystal is held between a pair of substrates is characterized by marking a specified figure on one substrate, detecting the specified figure on the one substrate, applying a sealing material according to a predetermined pattern and providing a liquid crystal encapsulation opening in the vicinity of the marking, joining another substrate paired with the one substrate thereto, cutting the joined substrates to obtain a pair of substrates, injecting a liquid crystal material through the liquid crystal encapsulation openings of the pair of substrates thus obtained, and closing the liquid crystal encapsulation openings. According to the invention, a process for manufacturing a liquid crystal panel in which positioning of the liquid crystal encapsulation opening is facilitated in the step of applying the sealing material can thereby be provided.Type: GrantFiled: September 24, 2004Date of Patent: September 22, 2009Assignees: Sanyo Electric Co., Ltd., Tottori Sanyo Electric Co., Ltd.Inventors: Yoshihiro Akai, Masayuki Kametani
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Patent number: 7573551Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: GrantFiled: May 19, 2005Date of Patent: August 11, 2009Assignee: Sanyo Electric Co., Ltd.Inventors: Norio Koma, Masashi Mitsui, Kazuhiro Inoue, Kazuyuki Maeda, Tsutomu Yamada, Masaaki Aota, Masayuki Kametani
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Publication number: 20070165177Abstract: A process for manufacturing a liquid crystal panel where a liquid crystal is held between a pair of substrates is characterized by marking a specified figure on one substrate, detecting the specified figure on the one substrate, applying a sealing material according to a predetermined pattern and providing a liquid crystal encapsulation opening in the vicinity of the marking, joining another substrate paired with the one substrate thereto, cutting the joined substrates to obtain a pair of substrates, injecting a liquid crystal material through the liquid crystal encapsulation openings of the pair of substrates thus obtained, and closing the liquid crystal encapsulation openings. According to the invention, a process for manufacturing a liquid crystal panel in which positioning of the liquid crystal encapsulation opening is facilitated in the step of applying the sealing material can thereby be provided.Type: ApplicationFiled: September 24, 2004Publication date: July 19, 2007Applicants: Sanyo Electric Co., Ltd, Tottori Sanyo Electric Co., LtdInventors: Yoshihiro Akai, Masayuki Kametani
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Publication number: 20070024778Abstract: Provided is a semi-transmissive liquid crystal display device having a pair of substrates 11, 21, which employs ECB mode liquid crystals in which a protruding portion 23 used for adjusting a cell gap provided on a reflective portion 15 of each pixel in one of the substrates extends in a first direction, wherein a liquid crystal injection inlet “a” is provided at a position such that an angle ? between a tangent “c” of a circular arc “b” drawn with the liquid crystal injection inlet “a” as its center and the orienting direction of an alignment layer on the side comprising the protruding portion 23, is never at a right angle when the orienting direction of the alignment layer formed on one of the substrates intersects with the protruding portion 23, or is provided at a position such that a contact point of the tangent “c” where the circular arc “b” tangent “c” and the orienting direction of the alignment layer on the side comprising the protruding portion 23 are at a right angle is on an edge of the glass substType: ApplicationFiled: July 25, 2006Publication date: February 1, 2007Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Masayuki Kametani, Hirofumi Ohira
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Publication number: 20050270449Abstract: A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.Type: ApplicationFiled: May 19, 2005Publication date: December 8, 2005Inventors: Norio Koma, Masashi Mitsui, Kazuhiro Inoue, Kazuyuki Maeda, Tsutomu Yamada, Masaaki Aota, Masayuki Kametani
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Liquid crystal display device with a loop of black matrix material surrounding an opposing electrode
Patent number: 6654084Abstract: A liquid crystal display device includes an array substrate having display elements formed in a matrix-like array and an array conductor pattern surrounding the matrix-type display in a common plane therewith a filter substrate having a color filter and an opposing electrode formed in facial contact thereon with the color filter having an endless loop of black matrix material extending peripherally thereabouts and in contact with the opposing electrode, a sealing member laid in a shape of an endless loop between the array and filter substrate in peripheral portions thereof and extending between and in electrical contact with the array conductor pattern and the endless loop of black matrix material surrounding the opposing electrode, liquid crystal sealed in a region enclosed by the sealing member and a connecting member for electrically connecting the array and filter substrate together in the peripheral portions thereof outside the sealing member.Type: GrantFiled: November 2, 2001Date of Patent: November 25, 2003Assignees: Sanyo Electric Co., Ltd., Tottori Sanyo Electric Co., Ltd.Inventors: Yasuo Marukawa, Takashi Ikemoto, Takuo Kinoshita, Hideto Kanazawa, Masayuki Kametani