Patents by Inventor Tomoko Teranishi
Tomoko Teranishi 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: 8508467Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is movably sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3). In the display device (10), a signal electrode (first electrode) (4) is provided on the upper substrate (2), and a scanning electrode (second electrode) (5) and a reference electrode (third electrode) (6) are provided on the lower substrate (3). The signal electrode (4) comes into contact with the conductive liquid (16) and is made of a material that is electrochemically inert to the conductive liquid (16).Type: GrantFiled: January 16, 2008Date of Patent: August 13, 2013Assignee: Sharp Kabushiki KaishaInventors: Tomoko Teranishi, Akio Miyata, Shinichi Nakano, Toshiki Matsuoka
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Publication number: 20130163068Abstract: A display element (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), a polar liquid (16) that is movably sealed on an effective display region (P1) side or a non-effective display region (P2) side inside a display space (S), a rib (14) that is provided on the lower substrate (3) so as to hermetically compartment the inside of the display space (S) according to each of a plurality of pixel regions (P), and oil (insulating fluid) (17) that is movably sealed inside the display space (S) for each pixel region (P) and does not mix with the polar liquid (16). In addition, when the polar liquid (16) is moved inside the display space (S) for each pixel region (P), signal electrodes (4) are provided on the lower substrate (3) side so that the flow path of the oil (17) inside the display space (S) becomes large.Type: ApplicationFiled: May 10, 2011Publication date: June 27, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Toshiki Matsuoka, Tomoko Teranishi, Shun Ueki, Takuma Tomotoshi
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Patent number: 8451198Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3) so as to be moved toward an effective display region (P1) or a non-effective display region (P2). The display device (10) includes a signal electrode (4), a reference electrode (5), and a scanning electrode (6). An M voltage (intermediate voltage) between an H voltage (first voltage) and a L voltage (second voltage) and a voltage other than the M voltage are applied to the signal electrode (4) within a selected period (predetermined period) T during which one of the H voltage and the L voltage is applied to the reference electrode (5).Type: GrantFiled: April 30, 2009Date of Patent: May 28, 2013Assignee: Sharp Kabushiki KaishaInventors: Toshiki Matsuoka, Tomoko Teranishi, Kazuhiro Deguchi
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Publication number: 20130107348Abstract: A display element (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a polar liquid (16) that is sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3) so as to be moved toward an effective display region (P1) or a non-effective display region (P2). A rib (14) hermetically divides the inside of the display space (S) in accordance with each of a plurality of pixel regions (P). A movement space (K) in which an oil (insulating fluid) (17) is moved is provided for each of the pixel regions (P).Type: ApplicationFiled: April 6, 2011Publication date: May 2, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Takuma Tomotoshi, Shun Ueki, Toshiki Matsuoka, Kohzoh Nakamura, Tomoko Teranishi
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Patent number: 8363040Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3) so as to be moved toward an effective display region (P1) or a non-effective display region (P2). In the display device (10), a signal electrode (4), a reference electrode (5), and a scanning electrode (6) are configured so that voltages in a predetermined voltage range can be independently applied to the respective electrodes. The same voltages (third voltage and fourth voltage) are applied to the reference electrode (5) and the scanning electrode (6) that are provided on the lower substrate (3) so as to be located on the effective display region (P1) side and the non-effective display region (P2) side, respectively.Type: GrantFiled: August 7, 2008Date of Patent: January 29, 2013Assignee: Sharp Kabushiki KaishaInventors: Toshiki Matsuoka, Akio Miyata, Tomoko Teranishi, Shinichi Nakano, Kazuhiro Deguchi
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Patent number: 8259038Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is movably sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3). In the display device (10), a signal electrode (first electrode) (4) made of a material that is electrochemically inert to the conductive liquid (16) is placed in the display space (S). Moreover, a scanning electrode (second electrode) (5) and a reference electrode (third electrode) (6) are provided on the lower substrate (3).Type: GrantFiled: January 16, 2008Date of Patent: September 4, 2012Assignee: Sharp Kabushiki KaishaInventors: Toshiki Matsuoka, Akio Miyata, Tomoko Teranishi, Shinichi Nakano
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Patent number: 8194304Abstract: In a display device including: an upper space (display space) 13 provided on a display surface side; and a colored liquid 21 that is sealed inside the upper space 13 so as to be operable and is colored in a predetermined color, which is structured so as to be able to change a display color on the display surface side according to application of an electric field to the colored liquid 21, the colored liquid 21 contains a conductive liquid as a dispersion medium and a pigment of a self-dispersing type as a coloring agent. Thereby, the display device that can improve display quality and have high durability that enables to maintain an excellent displaying function over a long period of time, and the electric apparatus using the display device can be provided.Type: GrantFiled: June 5, 2006Date of Patent: June 5, 2012Assignee: Sharp Kabushiki KaishaInventors: Hiroko Niwano, Akio Miyata, Tomoko Teranishi, Shinichi Nakano
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Publication number: 20110080439Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3) so as to be moved toward an effective display region (P1) or a non-effective display region (P2). The display device (10) includes a signal electrode (4), a reference electrode (5), and a scanning electrode (6). An M voltage (intermediate voltage) between an H voltage (first voltage) and a L voltage (second voltage) and a voltage other than the M voltage are applied to the signal electrode (4) within a selected period (predetermined period) T during which one of the H voltage and the L voltage is applied to the reference electrode (5).Type: ApplicationFiled: April 30, 2009Publication date: April 7, 2011Inventors: Toshiki Matsuoka, Tomoko Teranishi, Kazuhiro Deguchi
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Patent number: 7839555Abstract: In a display device that includes a display space provided on a display surface side and a liquid sealed inside the display space so as to be operable and is constituted so as to be able to change a display color on the display surface side according to an application of an electric field to the liquid, the liquid is an ionic liquid containing an ambient temperature molten salt combining a cation and an anion. Further, an amount of water blended in the liquid is 0 to 10 parts by weight with respect to 100 parts by weight of the ionic liquid. This makes it possible both to reduce a voltage to be applied to the liquid so as to allow driving at a low voltage and to improve an operation performance.Type: GrantFiled: October 25, 2006Date of Patent: November 23, 2010Assignee: Sharp Kabushiki KaishaInventors: Shinichi Nakano, Akio Miyata, Tomoko Teranishi, Hiroko Niwano
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Publication number: 20100271352Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is movably sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3). In the display device (10), an electrode member (f) for filling the conductive liquid (16) is provided in the display space (S) and configured so that a predetermined voltage can be applied thereto, and the conductive liquid (16) is filled in the display space (S) by applying the predetermined voltage to the electrode member (f).Type: ApplicationFiled: August 7, 2008Publication date: October 28, 2010Inventors: Shinichi Nakano, Akio Miyata, Tomoko Teranishi, Toshiki Matsuoka, Kazuhiro Deguchi
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Publication number: 20100245408Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3) so as to be moved toward an effective display region (P1) or a non-effective display region (P2). In the display device (10), a signal electrode (4), a reference electrode (5), and a scanning electrode (6) are configured so that voltages in a predetermined voltage range can be independently applied to the respective electrodes. The same voltages (third voltage and fourth voltage) are applied to the reference electrode (5) and the scanning electrode (6) that are provided on the lower substrate (3) so as to be located on the effective display region (P1) side and the non-effective display region (P2) side, respectively.Type: ApplicationFiled: August 7, 2008Publication date: September 30, 2010Inventors: Toshiki Matsuoka, Akio Miyata, Tomoko Teranishi, Shinichi Nakano, Kazuhiro Deguchi
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Publication number: 20100182290Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is movably sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3). In the display device (10), a signal electrode (first electrode) (4) made of a material that is electrochemically inert to the conductive liquid (16) is placed in the display space (S). Moreover, a scanning electrode (second electrode) (5) and a reference electrode (third electrode) (6) are provided on the lower substrate (3).Type: ApplicationFiled: January 16, 2008Publication date: July 22, 2010Inventors: Toshiki Matsuoka, Akio Miyata, Tomoko Teranishi, Shinichi Nakano
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Publication number: 20100177022Abstract: A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is movably sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3). In the display device (10), a signal electrode (first electrode) (4) is provided on the upper substrate (2), and a scanning electrode (second electrode) (5) and a reference electrode (third electrode) (6) are provided on the lower substrate (3). The signal electrode (4) comes into contact with the conductive liquid (16) and is made of a material that is electrochemically inert to the conductive liquid (16).Type: ApplicationFiled: January 16, 2008Publication date: July 15, 2010Inventors: Tomoko Teranishi, Akio Miyata, Shinichi Nakano, Toshiki Matsuoka
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Publication number: 20090059348Abstract: In a display device including: an upper space (display space) 13 provided on a display surface side; and a colored liquid 21 that is sealed inside the upper space 13 so as to be operable and is colored in a predetermined color, which is structured so as to be able to change a display color on the display surface side according to application of an electric field to the colored liquid 21, the colored liquid 21 contains a conductive liquid as a dispersion medium and a pigment of a self-dispersing type as a coloring agent. Thereby, the display device that can improve display quality and have high durability that enables to maintain an excellent displaying function over a long period of time, and the electric apparatus using the display device can be provided.Type: ApplicationFiled: June 5, 2006Publication date: March 5, 2009Inventors: Hiroko Niwano, Akio Miyata, Tomoko Teranishi, Shinichi Nakano
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Publication number: 20070040982Abstract: In a display device that includes a display space provided on a display surface side and a liquid sealed inside the display space so as to be operable and is constituted so as to be able to change a display color on the display surface side according to an application of an electric field to the liquid, the liquid is an ionic liquid containing an ambient temperature molten salt combining a cation and an anion. Further, an amount of water blended in the liquid is 0 to 10 parts by weight with respect to 100 parts by weight of the ionic liquid. This makes it possible both to reduce a voltage to be applied to the liquid so as to allow driving at a low voltage and to improve an operation performance.Type: ApplicationFiled: October 25, 2006Publication date: February 22, 2007Applicant: SHARP KABUSHIKI KAISHAInventors: Shinichi Nakano, Akio Miyata, Tomoko Teranishi, Hiroko Niwano
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Patent number: 7011913Abstract: A method of making a reflective film includes the steps of: (a) preparing a cholesteric mixture that includes a cholesteric liquid crystal material and at least one type of polymerizable compound; (b) forming a cholesteric mixture layer in which the cholesteric liquid crystal material forms a helical structure, having continuously changing helical pitches, approximately along a normal to the layer; and (c) exposing the cholesteric mixture layer to an actinic ray at a temperature, at which the cholesteric mixture exhibits a cholesteric phase, thereby polymerizing the at least one type of polymerizable compound. In this method, a Tni point of the cholesteric mixture increases by performing the step (c).Type: GrantFiled: August 12, 2002Date of Patent: March 14, 2006Assignee: Sharp Kabushiki KaishaInventors: Tomoko Teranishi, Sayuri Fujiwara
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Patent number: 6717640Abstract: The reflection-type liquid crystal display device includes two liquid crystal layers for selectively reflecting light in a specific wavelength range, and a partition wall interposed between the liquid crystal layers so as to separate the liquid crystal layers from each other. The partition wall serves as a scattering layer having a light scattering function.Type: GrantFiled: August 22, 2002Date of Patent: April 6, 2004Assignee: Sharp Kabushiki KaishaInventors: Eiji Sato, Yasuhisa Itoh, Kiyoshi Minoura, Tomoko Teranishi
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Patent number: 6704079Abstract: A display device includes a reflector in which a plurality of elements, each including a number of reflective regions, is arranged. In the reflector, the reflective regions of each said element are disposed so that at least part of incoming light, which has been incident on the element, is reflected by each one of the reflective regions after another and then allowed to go out of the element. At least one of the reflective regions of each said element includes: a light reflective plane; and a light modulating layer that is formed on one side of the light reflective plane so as to face the incoming light.Type: GrantFiled: January 31, 2002Date of Patent: March 9, 2004Assignee: Sharp Kabushiki KaishaInventors: Kiyoshi Minoura, Shun Ueki, Masahiko Tomikawa, Eiji Satoh, Tomoko Teranishi, Yasuhisa Itoh
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Publication number: 20030043334Abstract: The reflection-type liquid crystal display device includes two liquid crystal layers for selectively reflecting light in a specific wavelength range, and a partition wall interposed between the liquid crystal layers so as to separate the liquid crystal layers from each other. The partition wall serves as a scattering layer having a light scattering function.Type: ApplicationFiled: August 22, 2002Publication date: March 6, 2003Inventors: Eiji Sato, Yasuhisa Itoh, Kiyoshi Minoura, Tomoko Teranishi
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Publication number: 20030032690Abstract: A method of making a reflective film includes the steps of: (a) preparing a cholesteric mixture that includes a cholesteric liquid crystal material and at least one type of polymerizable compound; (b) forming a cholesteric mixture layer in which the cholesteric liquid crystal material forms a helical structure, having continuously changing helical pitches, approximately along a normal to the layer; and (c) exposing the cholesteric mixture layer to an actinic ray at a temperature, at which the cholesteric mixture exhibits a cholesteric phase, thereby polymerizing the at least one type of polymerizable compound. In this method, a Tni point of the cholesteric mixture increases by performing the step (c).Type: ApplicationFiled: August 12, 2002Publication date: February 13, 2003Inventors: Tomoko Teranishi, Sayuri Fujiwara