Patents by Inventor Kohichi Fujimori
Kohichi Fujimori 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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Publication number: 20070177083Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: ApplicationFiled: March 30, 2007Publication date: August 2, 2007Applicant: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Patent number: 7212267Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: GrantFiled: February 21, 2006Date of Patent: May 1, 2007Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Patent number: 7142272Abstract: The liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer interposed between the first and second substrates, and a plurality of picture-element regions for providing display. Each of the plurality of picture-element regions has a transmission region for providing display in a transmission mode by using light incident through the first substrate, and a reflection region for providing display in a reflection mode by using light incident through the second substrate. The second substrate has a color filter layer provided in the transmission region and the reflection region. The thickness of the color filter layer in at least a part of the reflection region is smaller than the thickness of the color filter layer in the transmission region.Type: GrantFiled: October 26, 2004Date of Patent: November 28, 2006Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki
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Publication number: 20060139528Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: ApplicationFiled: February 21, 2006Publication date: June 29, 2006Applicant: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Publication number: 20060132678Abstract: In the liquid crystal display device of the present invention, a filter of, for example, red, green, or blue is formed on a glass substrate surface of a liquid crystal layer side, and if necessary, a black mask is formed between the filters. The filter has a first region and a second region with a film thickness thinner than that of the first region. The second region has, on the inside, an uncolored region where the filter is not formed. In one pixel region, the first region is formed so as to correspond to a transmissive region and the second region and the uncolored region are formed so as to correspond to a reflective region. A reflective electrode and a transparent electrode are formed on another glass substrate surface of the liquid crystal layer side.Type: ApplicationFiled: December 15, 2005Publication date: June 22, 2006Applicant: Sharp Kabushiki KaishaInventors: Katsuhiro Kikuchi, Makoto Ohue, Takeshi Ishida, Ikuji Konishi, Kohichi Fujimori
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Patent number: 7030948Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: GrantFiled: June 25, 2004Date of Patent: April 18, 2006Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Publication number: 20050083457Abstract: The liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer interposed between the first and second substrates, and a plurality of picture-element regions for providing display. Each of the plurality of picture-element regions has a transmission region for providing display in a transmission mode by using light incident through the first substrate, and a reflection region for providing display in a reflection mode by using light incident through the second substrate. The second substrate has a color filter layer provided in the transmission region and the reflection region. The thickness of the color filter layer in at least a part of the reflection region is smaller than the thickness of the color filter layer in the transmission region.Type: ApplicationFiled: October 26, 2004Publication date: April 21, 2005Applicant: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki
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Patent number: 6850298Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: GrantFiled: October 1, 2002Date of Patent: February 1, 2005Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Patent number: 6847426Abstract: The liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer interposed between the first and second substrates, and a plurality of picture-element regions for providing display. Each of the plurality of picture-element regions has a transmission region for providing display in a transmission mode by using light incident through the first substrate, and a reflection region for providing display in a reflection mode by using light incident through the second substrate. The second substrate has a color filter layer provided in the transmission region and the reflection region. The thickness of the color filter layer in at least a part of the reflection region is smaller than the thickness of the color filter layer in the transmission region.Type: GrantFiled: October 2, 2002Date of Patent: January 25, 2005Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki
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Publication number: 20040233357Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: ApplicationFiled: June 25, 2004Publication date: November 25, 2004Applicant: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Publication number: 20030117551Abstract: The liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer interposed between the first and second substrates, and a plurality of picture-element regions for providing display. Each of the plurality of picture-element regions has a transmission region for providing display in a transmission mode by using light incident through the first substrate, and a reflection region for providing display in a reflection mode by using light incident through the second substrate. The second substrate has a color filter layer provided in the transmission region and the reflection region. The thickness of the color filter layer in at least a part of the reflection region is smaller than the thickness of the color filter layer in the transmission region.Type: ApplicationFiled: October 2, 2002Publication date: June 26, 2003Inventors: Kohichi Fujimori, Yozo Narutaki
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Publication number: 20030063244Abstract: A liquid crystal display device of the present invention includes: a first substrate; a second substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of picture element regions for displaying an image. Each of the plurality of picture element regions includes a transmission region in which an image is displayed in a transmission mode by using light that is coming from the side of the first substrate, and a reflection region in which an image is displayed in a reflection mode by using light that is coming from the side of the second substrate. The height of a surface of the second substrate on the side closer to the liquid crystal layer in the reflection region is greater than that in the transmission region, while the height of a surface of the first substrate on the side closer to the liquid crystal layer in the reflection region is substantially equal to that in the transmission region.Type: ApplicationFiled: October 1, 2002Publication date: April 3, 2003Applicant: SHARP KABUSHIKI KAISHAInventors: Kohichi Fujimori, Yozo Narutaki, Yasunobu Akebi, Ikuji Konishi
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Patent number: 6400429Abstract: A liquid crystal display device includes: a pair of substrates; polymer walls; and a display medium interposed between the pair of substrates, including a liquid crystal region partially provided with or completely surrounded by the polymer walls. The liquid crystal region includes a liquid crystal material having a helical pitch, the helical pitch being either unchanged or reduced upon rise in temperature.Type: GrantFiled: June 12, 2000Date of Patent: June 4, 2002Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Tokihiko Shinomiya, Shuichi Kozaki
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Patent number: 6304306Abstract: A liquid crystal display device includes substrates opposed to each other, a polymeric layer patterned into a predetermined pattern, and a liquid crystal layer at least partially surrounded by the polymeric layer. The polymeric layer and the liquid crystal layer are interposed between the substrates. The polymeric layer is at least partially formed by polymerizing a liquid crystalline polymerization precursor in a state where the molecules of the liquid crystalline polymerization precursor are aligned in a predetermined direction by an alignment regulating force of at least one of the substrates.Type: GrantFiled: April 20, 1998Date of Patent: October 16, 2001Assignee: Sharp Kabushiki KaishaInventors: Makoto Shiomi, Shinji Yamagishi, Tokihiko Shinomiya, Shuichi Kozaki, Kohichi Fujimori
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Patent number: 6133972Abstract: A liquid crystal display device includes: a pair of substrates; polymer walls; and a display medium interposed between the pair of substrates, including a liquid crystal region partially provided with or completely surrounded by the polymer walls. The liquid crystal region includes a liquid crystal material having a helical pitch, the helical pitch being either unchanged or reduced upon rise in temperature.Type: GrantFiled: March 26, 1997Date of Patent: October 17, 2000Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Tokihiko Shinomiya, Shuichi Kozaki
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Patent number: 5956112Abstract: This invention provides a liquid crystal display device including a display medium layer containing at least a liquid crystal material sandwiched between a pair of substrates. In this liquid crystal display device, at least one of the pair of substrates is a plastic substrate having first irregularities on a surface facing the display medium layer, and a polymer wall of a photocurable resin is formed in the display medium layer.Type: GrantFiled: October 1, 1996Date of Patent: September 21, 1999Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Tokihiko Shinomiya, Shuichi Kohzaki, Yutaka Ishii
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Patent number: 5940156Abstract: A liquid crystal display device of the present invention includes: a liquid crystal region made of a liquid crystal as a display medium; and a polymer wall surrounding the liquid crystal region between a pair of substrates, wherein the polymer wall is formed by selectively radiating light having different irradiation intensities to an irradiation intensity-dependent mixture containing a photopolymerizable monomer.Type: GrantFiled: March 25, 1997Date of Patent: August 17, 1999Assignee: Sharp Kabushiki KaishaInventors: Kenji Nishiguchi, Kohichi Fujimori
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Patent number: 5852487Abstract: A liquid crystal display apparatus having an input function includes a first substrate, a second substrate, and a third substrate; a display medium provided between the first substrate and the second substrate; a first electrode provided between the first substrate and the display medium; a second electrode provided between the second substrate and the display medium; spacers for supporting the second substrate and the third substrate with respect to each other; and at least two electrodes provided between the second substrate and the third substrate. The display medium includes a polymer projection and a liquid crystal region at least partially surrounded by the polymer projection, and the first, second and third substrates are each formed of a polymer material, at least one of the first, second and third substrates has a polarizing function, and at least one of the first, second and third substrates has a phase contrasting function.Type: GrantFiled: January 23, 1997Date of Patent: December 22, 1998Assignee: Sharp Kabushiki KaishaInventors: Kohichi Fujimori, Tokihiko Shinomiya, Ippei Inou, Shuichi Kozaki
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Patent number: 5784137Abstract: A liquid crystal display device includes substrates opposed to each other, a polymeric layer patterned into a predetermined pattern, and a liquid crystal layer at least partially surrounded by the polymeric layer. The polymeric layer and the liquid crystal layer are interposed between the substrates. The polymeric layer is at least partially formed by polymerizing a liquid crystalline polymerization precursor in a state where the molecules of the liquid crystalline polymerization precursor are aligned in a predetermined direction by an alignment regulating force of at least one of the substrates.Type: GrantFiled: February 16, 1996Date of Patent: July 21, 1998Assignee: Sharp Kabushiki KaishaInventors: Makoto Shiomi, Shinji Yamagishi, Tokihiko Shinomiya, Shuichi Kozaki, Kohichi Fujimori
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Patent number: 5781259Abstract: A liquid crystal display apparatus comprising a pair of transparent substrates which consists of a driving side substrate and an opposite side substrate; transparent pixels formed in matrix on said driving side substrate; a first orientation film formed on said pixels; a transparent electrode formed on said opposite side substrate; a shielding layer provided at least on the periphery of each of said transparent pixels and at either between said driving side substrate and said transparent pixels or between said transparent pixels and said orientation film; said pair of transparent substrates being located opposite to each other to form a cell in which a mixture comprising a liquid crystal, a photosetting polymer precursor and its polymerization initiator is put and irradiated with a light outside said cell thereby curing said photosetting polymer precursor selectively at a region free from said transparent pixels and enrich the resulting cured resin at said region.Type: GrantFiled: July 30, 1996Date of Patent: July 14, 1998Assignee: Sharp Kabushiki KaishaInventors: Tokihiko Shinomiya, Kohichi Fujimori, Tomoaki Kuratate