Patents by Inventor Robert Andrew Hayes
Robert Andrew Hayes 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: 10934454Abstract: A composition comprising a compound having the general formula (I): F—[CF2]n—(O[CF2]n)m-(L)p-SH?? (Formula (I)) Each n is independently from 2 to 4, m is from 3 to 30, p is 0 or 1 and L represents a linker having the formula Oq(CF2)r(CH2)s, wherein q is 0 or 1, r is from 0 to 4 and s is from 0 to 4.Type: GrantFiled: January 22, 2019Date of Patent: March 2, 2021Assignee: Amazon Technologies, Inc.Inventor: Robert Andrew Hayes
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Publication number: 20200347206Abstract: Systems, methods, and apparatuses are disclosed for nitrile rubber material for use with consumer electronic devices. In one embodiment, an example rubber component for a device may include acrylonitrile butadiene rubber having a weight percentage of between about 50% to about 75%, a solid filler having a weight percentage of between about 10% to about 40%, a liquid filler having a weight percentage of between about 0.5% to about 20%, a first process aid having a weight percentage of between about 1% to about 3%, and a cross-linking agent having a weight percentage of up to 2%.Type: ApplicationFiled: March 2, 2020Publication date: November 5, 2020Inventors: Robert Andrew Hayes, Dinesh K. Arunachalam, Paresh Mukhedkar, Daniel Guignion
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Patent number: 10802266Abstract: An electrowetting element comprising a first fluid, a second fluid immiscible with the first fluid, a first electrode, a second electrode in contact with the second fluid and a first and second support plate. The first support plate comprises the first electrode and a surface. The second support plate comprises a protrusion which overlaps a first surface portion of the surface and which, with a first voltage with a substantially zero magnitude applied between the first electrode and the second electrode, contacts the second fluid without substantially contacting the first fluid. Upon application of a second voltage with a non-zero magnitude between the first electrode and the second electrode, the first fluid moves such that there is substantially no contact between the first fluid and the first surface portion.Type: GrantFiled: September 21, 2017Date of Patent: October 13, 2020Assignee: Amazon Technologies, Inc.Inventors: Toru Sakai, Robert Andrew Hayes, Karel Johannes Gerhardus Hinnen, Tulasi Sridhar Reddy Guntaka
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Publication number: 20200231839Abstract: A composition comprising a compound having the general formula (I): F—[CF2]n—(O[CF2]n)m-(L)p-SH?? (Formula (I)) Each n is independently from 2 to 4, m is from 3 to 30, p is 0 or 1 and L represents a linker having the formula Oq(CF2)r(CH2)s, wherein q is 0 or 1, r is from 0 to 4 and s is from 0 to 4.Type: ApplicationFiled: January 22, 2019Publication date: July 23, 2020Inventor: Robert Andrew HAYES
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Patent number: 10634829Abstract: A display structure having a high-brightness diffuse reflector, an electrowetting display structure based on the display structure, an in-cell type electrowetting display structure and a manufacturing method thereof are disclosed. The display structure comprises panel glass (1), a display layer (2) and substrate glass (3), wherein a high-brightness diffuse reflection polymer thin film material (4) is arranged under the substrate glass (3); the panel glass (1), the display layer (2), the substrate glass (3) and the diffuse reflection polymer thin film material (4) are stacked in sequence. According to the display structure and manufacturing method thereof of the invention, the required diffuse reflection and contrast ratio approximate to paper can be provided by placing a high-brightness diffuse reflection polymer thin film under a substrate or a display layer of a plate display structure as a diffuse reflection layer or a diffuse reflector.Type: GrantFiled: April 22, 2014Date of Patent: April 28, 2020Assignees: Shenzhen Guohua Optoelectronics Co., Ltd., South China Normal University, Shenzhen Guohua Optoelectronics InstituteInventors: Guofu Zhou, Robert Andrew Hayes, Jan Groenewold
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Patent number: 10546544Abstract: An electrowetting display device comprising an electrowetting element comprising a control system, a first fluid, a second fluid immiscible with the first fluid, and a first and second support plate. A first and second electrode are, respectively, overlapped by a first and second portion of a surface of the first support plate. The control system is operable to apply a sequence of voltages, comprising a first voltage between the second fluid and the first electrode and a second voltage between the second fluid and the second electrode, to configure the first fluid to a plurality of configurations, each of the plurality of different configurations respectively corresponding to the same grey level.Type: GrantFiled: June 8, 2017Date of Patent: January 28, 2020Assignee: Amazon Technologies, Inc.Inventors: Robert Andrew Hayes, Gor Manukyan, Melanie Maria Hubertina Wagemans, Daniel Figura, Bokke Johannes Feenstra, Toru Sakai
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Patent number: 10504458Abstract: An electrowetting display device comprising an electrowetting element comprising a control system, a first fluid, a second fluid immiscible with the first fluid, and a first and second support plate. A first and second electrode are, respectively, overlapped by a first and second portion of a surface of the first support plate. The control system is operable to, in response to input data indicative of a grey level and with the first fluid in a retracted configuration and at least partly in contact with the first portion, apply a first voltage between the second fluid and the first electrode to translate the first fluid from the retracted configuration to contact the second portion over a first area, and apply a second voltage between the second fluid and the second electrode to retract the first fluid to contact the second portion over a second area smaller than the first area.Type: GrantFiled: June 8, 2017Date of Patent: December 10, 2019Assignee: Amazon Technologies, Inc.Inventors: Robert Andrew Hayes, Gor Manukyan, Melanie Maria Hubertina Wagemans, Daniel Figura, Bokke Johannes Feenstra, Toru Sakai
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Patent number: 10475401Abstract: An electrowetting display device comprising an electrowetting element comprising a control system, a first fluid, a second fluid immiscible with the first fluid, and a first and second support plate. A first and second electrode are, respectively, overlapped by a first and second portion of a surface of the first support plate. The control system is operable to, in response to input data indicative of a first grey level, apply a first voltage between the second fluid and the first electrode such that the second fluid is in contact with at least part of the first portion and, subsequently, apply a second voltage between the second fluid and the second electrode to translate the first fluid such that the second fluid is in contact with at least part of the second portion.Type: GrantFiled: June 8, 2017Date of Patent: November 12, 2019Assignee: Amazon Technologies, Inc.Inventors: Robert Andrew Hayes, Gor Manukyan, Melanie Maria Hubertina Wagemans, Daniel Figura, Bokke Johannes Feenstra, Toru Sakai
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Patent number: 10310354Abstract: Disclosed is an electrofluidic support plate and a method for preparing the same, and an electrofluidic device comprising the support plate. The method comprises the following steps of: providing a substrate which has a surface provided with an electrode layer; arranging a first amorphous fluoropolymer layer on the surface of the substrate, and carrying out hydrophilic modification on a surface of the amorphous fluoropolymer layer; arranging pixel walls on the amorphous fluoropolymer layer after hydrophilic modification; arranging a second amorphous fluoropolymer layer which is a hydrophobic layer; the second amorphous fluoropolymer layer covering all surfaces of the pixel walls and a groove area encircled by the pixel walls; filling the groove area encircled by the pixel walls with a protective material; removing the second amorphous fluoropolymer layer not covered by the protective material and on a top of the pixel walls; and removing the protective material.Type: GrantFiled: January 7, 2016Date of Patent: June 4, 2019Assignees: South China Normal University, Academy of Shenzhen Guohua Optoelectronics, Shenzhen Guohua Optoelectronics Co., Ltd.Inventors: Guofu Zhou, Hao Wu, Fahong Li, Robert Andrew Hayes
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Patent number: 10120183Abstract: A display device or optical switch, based on layer break up or layer displacement having at least two different states, in which one fluid, e.g., oil, in a first state adjoins at least a first support plate, and in a second state another fluid at least partly adjoins the first support plate. Sub-picture elements are separated by areas having a hydrophilic surface.Type: GrantFiled: July 20, 2015Date of Patent: November 6, 2018Assignee: Amazon Technologies, Inc.Inventors: Bokke Johannes Feenstra, Robert Andrew Hayes, Ivo Godfried Jozef Camps
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Publication number: 20180231863Abstract: Disclosed is an electrofluidic support plate and a method for preparing the same, and an electrofluidic device comprising the support plate. The method comprises the following steps of: providing a substrate which has a surface provided with an electrode; arranging a first amorphous fluoropolymer layer on the surface of the substrate, and carrying out hydrophilic modification on a surface of the amorphous fluoropolymer layer; arranging pixel walls on the amorphous fluoropolymer layer after hydrophilic modification; arranging a second amorphous fluoropolymer layer which is a hydrophobic layer; the second amorphous fluoropolymer layer covering all surfaces of the pixel walls and a groove area encircled by the pixel walls; filling the groove area encircled by the pixel walls with a protective material; removing the second amorphous fluoropolymer layer not covered by the protective material and on a top of the pixel walls; and removing the protective material.Type: ApplicationFiled: January 7, 2016Publication date: August 16, 2018Inventors: Guofu ZHOU, Hao WU, Fahong LI, Robert Andrew HAYES
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Patent number: 9779672Abstract: An oil puncture controlled starting system for an EFD apparatus and manufacturing method therefor, wherein the EFD display structure comprises a base arranged below a lower electrode, and the base is provided with a step, such that a first liquid has a first thickness outside the step and a second thickness on the step, which is less than the first thickness, such a thickness difference renders the first liquid on the step to be punctured by a second liquid firstly when a lower voltage is applied between a upper electrode and the lower electrode, and the first liquid is pushed by the second liquid to move from a first area to a second area.Type: GrantFiled: March 6, 2014Date of Patent: October 3, 2017Assignees: South China Normal University, Shenzhen Guohua Optoelectronics Co., Ltd., Shenzhen Guohua Optoelectronics InstituteInventors: Guofu Zhou, Fahong Li, Robert Andrew Hayes
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Publication number: 20170162129Abstract: An oil puncture controlled starting system for an EFD apparatus and manufacturing method therefor, wherein the EFD display structure comprises a base arranged below a lower electrode, and the base is provided with a step, such that a first liquid has a first thickness outside the step and a second thickness on the step, which is less than the first thickness, such a thickness difference renders the first liquid on the step to be punctured by a second liquid firstly when a lower voltage is applied between a upper electrode and the lower electrode, and the first liquid is pushed by the second liquid to move from a first area to a second area.Type: ApplicationFiled: March 6, 2014Publication date: June 8, 2017Inventors: Guofu Zhou, Fahong Li, Robert Andrew Hayes
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Publication number: 20170082849Abstract: A display structure having a paper effect. The display structure comprises panel glass (1), a display layer (2) and substrate glass (3), wherein a paper layer (4) is provided under the substrate glass, and the panel glass (1), the display layer (2), the substrate glass (3) and the paper layer (4) are stacked in sequence. Also provided are an electrowetting display structure based on the display structure and a method for manufacturing the display structure having a paper effect. A piece of high-quality paper is placed under a substrate of the existing display structure as a diffuse reflection layer or a diffuse reflector, so as to provide required diffuse reflection and contrast approximate to paper. Compared with vacuum coating, the process is simpler, and avoids the expensive vacuum coating process, thereby greatly reducing manufacturing costs.Type: ApplicationFiled: April 22, 2014Publication date: March 23, 2017Inventors: Guofu Zhou, Robert Andrew Hayes, Jan Groenewold
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Publication number: 20170045650Abstract: A display structure having a high-brightness diffuse reflector, an electrowetting display structure based on the display structure, an in-cell type electrowetting display structure and a manufacturing method thereof are disclosed. The display structure comprises panel glass (1), a display layer (2) and substrate glass (3), wherein a high-brightness diffuse reflection polymer thin film material (4) is arranged under the substrate glass (3); the panel glass (1), the display layer (2), the substrate glass (3) and the diffuse reflection polymer thin film material (4) are stacked in sequence. According to the display structure and manufacturing method thereof of the invention, the required diffuse reflection and contrast ratio approximate to paper can be provided by placing a high-brightness diffuse reflection polymer thin film under a substrate or a display layer of a plate display structure as a diffuse reflection layer or a diffuse reflector.Type: ApplicationFiled: April 22, 2014Publication date: February 16, 2017Inventors: Guofu Zhou, Robert Andrew Hayes, Jan Groenewold
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Patent number: 9548018Abstract: An optical switch, e.g. a display cell based on layer displacement or layer break up having at least two different states, in which one of the fluids e.g. oil in a first state adjoins at least a first support plate and in the second state the other fluid at least partly adjoins the first support plate. Part of an otherwise homogeneous electrode is removed to realize oil motion control.Type: GrantFiled: October 10, 2012Date of Patent: January 17, 2017Assignee: Amazon Technologies, Inc.Inventors: Bokke Johannes Feenstra, Robert Andrew Hayes
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Publication number: 20160018634Abstract: A display device or optical switch, based on layer break up or layer displacement having at least two different states, in which one fluid, e.g., oil, in a first state adjoins at least a first support plate, and in a second state another fluid at least partly adjoins the first support plate. Sub-picture elements are separated by areas having a hydrophilic surface.Type: ApplicationFiled: July 20, 2015Publication date: January 21, 2016Inventors: Bokke Johannes Feenstra, Robert Andrew Hayes, Ivo Godfried Jozef Camps
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Patent number: 9086565Abstract: A display device or optical switch, based on layer break up or layer displacement having at least two different states, in which one fluid, e.g. oil, in a first state adjoins at least a first support plate, and in a second state another fluid at least partly adjoins the first support plate. Sub-picture elements are separated by areas having a hydrophilic surface.Type: GrantFiled: February 17, 2006Date of Patent: July 21, 2015Assignee: Amazon Technologies, Inc.Inventors: Bokke Johannes Feenstra, Robert Andrew Hayes, Ivo Godfried Jozef Camps
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Publication number: 20130076602Abstract: An optical switch, e.g. a display cell based on layer displacement or layer break up having at least two different states, in which one of the fluids e.g. oil in a first state adjoins at least a first support plate and in the second state the other fluid at least partly adjoins the first support plate. Part of an otherwise homogeneous electrode is removed to realize oil motion control.Type: ApplicationFiled: October 10, 2012Publication date: March 28, 2013Applicant: SAMSUNG LCD NETHERLANDS R&D CENTER B.V.Inventors: Bokke Johannes FEENSTRA, Robert Andrew HAYES
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Patent number: 8213071Abstract: Display device is based on layer break up or layer displacement having at least two different states, in which one of the fluids, e.g., oil in a first state, adjoins at least a first support plate and, in the second state, the other fluid at least partly adjoins the first support plate. In one embodiment, a picture element corresponds to a substantially closed space and, in the first state, the other fluid layer substantially completely adjoins both support plates and is divided in two sub-layers. This makes it possible, on the one hand, to use lower voltages to make displacement occur. On the other hand, this opens the opportunity to color displays.Type: GrantFiled: January 26, 2011Date of Patent: July 3, 2012Assignee: Samsung LCD Netherlands R & D Center B.V.Inventors: Bokke Johannes Feenstra, Robert Andrew Hayes, Menno Willem Jose Prins