Patents by Inventor Peter Carstens
Peter Carstens 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: 20230360614Abstract: A variable transmission film may include an electrophoretic medium having a plurality of capsules and a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field and being capable of being switched between an open state and a closed state. The film may include at least one of a binder containing fish gelatin and a polyanion; a binder containing one or more tinting agents; capsules containing charge control agents, such as an oligoamine-terminated polyolefin and a branched chain fatty acid comprising at least 8 carbon atoms; a selection of capsules in which at least 60% have a diameter between 50 ?m and 90 ?m and at least 15% have a diameter between 20 ?m and 49 ?m; a tinted adhesive layer; and a fluid selected from one or more nonconjugated olefinic hydrocarbons.Type: ApplicationFiled: July 19, 2023Publication date: November 9, 2023Inventors: Peter Carsten Bailey WIDGER, Jay William ANSETH, Richard J. PAOLINI, JR., Mark Benjamin ROMANOWSKY, Jillian SMITH, Stephen J. TELFER, Craig Alan BREEN, Stephen BULL
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Patent number: 11749218Abstract: A variable transmission film may include an electrophoretic medium having a plurality of capsules and a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field and being capable of being switched between an open state and a closed state. The film may include at least one of a binder containing fish gelatin and a polyanion; a binder containing one or more tinting agents; capsules containing charge control agents, such as an oligoamine-terminated polyolefin and a branched chain fatty acid comprising at least 8 carbon atoms; a selection of capsules in which at least 60% have a diameter between 50 ?m and 90 ?m and at least 15% have a diameter between 20 ?m and 49 ?m; a tinted adhesive layer; and a fluid selected from one or more nonconjugated olefinic hydrocarbons.Type: GrantFiled: September 17, 2020Date of Patent: September 5, 2023Assignee: E Ink CorporationInventors: Peter Carsten Bailey Widger, Jay William Anseth, Richard J. Paolini, Jr., Mark Benjamin Romanowsky, Jillian Smith, Stephen J. Telfer, Craig Alan Breen, Stephen Bull
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Publication number: 20230152659Abstract: A variable light transmission device has at least one layer of electrophoretic medium comprising charged particles. Application of a an electric field having a waveform formed by a superposition of a carrier and a modulator waveform enables the switching of the device from a closed state to an open state, wherein the open state has higher light transmission than the closed state. As a result, the device enables the selection of the desired optical state by the user.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Inventors: Kosta LADAVAC, Richard J. PAOLINI, Jr., Stephen J. TELFER, Lee YEZEK, Sunil Krishna SAINIS, Peter Carsten Bailey WIDGER
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Publication number: 20230148203Abstract: An electro-optic media includes either a plurality of microcapsules in a binder, a polymeric sheet containing sealed microcells, or droplets in a continuous polymeric phase. Each of the microcapsules, microcells, or droplets contain a dispersion that includes a plurality of charged composite particles and a suspending fluid, and the charged particles move through the suspending fluid under the influence of an electric field. The composite particles include one or more types of pigment particles that are at least partially coated with a polymeric material. Each of the binder, polymeric sheet, continuous polymeric phase, the charged composite particles, and the suspending fluid have an index of refraction, and a difference between the index of refraction of the composite particles and at least one of the binder, polymeric sheet, continuous polymeric phase, and solvent is less than or equal to 0.05 at 550 nm.Type: ApplicationFiled: January 3, 2023Publication date: May 11, 2023Inventors: Jin-Gyu PARK, Richard J. PAOLINI, Jr., Peter Carsten Bailey WIDGER, Jillian SMITH, Jay William ANSETH, Craig A. HERB, George G. HARRIS, Mark Benjamin ROMANOWSKY
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Patent number: 11579510Abstract: A variable light transmission device has at least one layer of electrophoretic medium comprising charged particles. Application of a an electric field having a waveform formed by a superposition of a carrier and a modulator waveform enables the switching of the device from a closed state to an open state, wherein the open state has higher light transmission than the closed state. As a result, the device enables the selection of the desired optical state by the user.Type: GrantFiled: April 30, 2020Date of Patent: February 14, 2023Assignee: E Ink CorporationInventors: Kosta Ladavac, Richard J. Paolini, Jr., Stephen J. Telfer, Lee Yezek, Sunil Krishna Sainis, Peter Carsten Bailey Widger
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Patent number: 11567388Abstract: An electro-optic media includes either a plurality of microcapsules in a binder, a polymeric sheet containing sealed microcells, or droplets in a continuous polymeric phase. Each of the microcapsules, microcells, or droplets contain a dispersion that includes a plurality of charged composite particles and a suspending fluid, and the charged particles move through the suspending fluid under the influence of an electric field. The composite particles include one or more types of pigment particles that are at least partially coated with a polymeric material. Each of the binder, polymeric sheet, continuous polymeric phase, the charged composite particles, and the suspending fluid have an index of refraction, and a difference between the index of refraction of the composite particles and at least one of the binder, polymeric sheet, continuous polymeric phase, and solvent is less than or equal to 0.05 at 550 nm.Type: GrantFiled: January 29, 2020Date of Patent: January 31, 2023Assignee: E Ink CorporationInventors: Jin-Gyu Park, Richard J. Paolini, Jr., Peter Carsten Bailey Widger, Jillian Smith, Jay William Anseth, Craig A. Herb, George G. Harris, Mark Benjamin Romanowsky
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Patent number: 11513414Abstract: An electro-optic display having a viewing surface through which a user views the display, a bistable, electrophoretic medium, and at least one electrode arranged to apply an electric field to the electrophoretic medium, the display further comprising at least 10 micromoles per square meter of the viewing surface of at least one compound having an oxidation potential more negative that about 150 mV with respect to a standard hydrogen electrode, as measured at pH 8, where the compound is a sulfite salt or a salt of titanium (III), vanadium (II), iron (II), cobalt (II) or copper (I), a hydroquinone, a catechol, a dihydropyridine or a metallocene.Type: GrantFiled: December 12, 2019Date of Patent: November 29, 2022Assignee: E Ink CorporationInventors: Stephen J. Telfer, Peter Carsten Bailey Widger, Ana L. Lattes, Dan John Lauber
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Publication number: 20220297464Abstract: A security device (100, 600, 700, 1000, 1050) includes arrangements of image icons (110a, 110b, 615, 715, 1020), arrangements of refractive image icon focusing elements (120, 605, 705, 1010) and a sealing layer (125, 600, 1005), wherein the arrangements of refractive image icon focusing elements is disposed above the arrangements of image icons such that a portion of the arrangements of refractive image icon focusing elements projects a synthetic image, such that the arrangements of refractive image icon focusing elements contact the sealing layer along a non-planar boundary. Further, at least one of the arrangements of refractive image icon focusing elements and the sealing layer comprises an organic resin mixture having a first refractive index, and at least one of the arrangements of refractive image icon focusing elements and the sealing layer comprises a low-refractive index material, the low-refractive index material having a second refractive index.Type: ApplicationFiled: May 20, 2020Publication date: September 22, 2022Inventors: Michael MCALLISTER, Peter Carsten Bailey WIDGER, Jonathan D. GOSNELL
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Patent number: 11143930Abstract: A method of driving a variable transmission film is provided and a variable transmission device including the film and a controller configured to drive the film. The film may include a layer of electrophoretic material and at least one electrode, the electrophoretic material including a fluid containing a plurality of charged particles capable of moving through the fluid upon application of an electric field by the at least one electrode. The method may include applying a first voltage waveform to the film at an initial optical state and applying a second voltage waveform having a lower frequency and shorter pulse duration than the first voltage waveform to switch the film to a final optical state, wherein the film has a higher percent transmission at the initial optical state than the final optical state.Type: GrantFiled: June 20, 2019Date of Patent: October 12, 2021Assignee: E Ink CorporationInventors: Peter Carsten Bailey Widger, George G. Harris, Richard J. Paolini, Jr., Craig Alan Breen
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Patent number: 11028319Abstract: A variable opacity material is provided that may be in the form of a mixture, such as an emulsion that contains a discontinuous aqueous polymeric solution having an LCST of 0 to 100° C. and a continuous phase containing a hydrophobic polymer, such as a polysiloxane. One or more salts, such as lithium bromide and sodium chloride, may be added to the aqueous solution to lower the LCST of the aqueous solution and to raise the refractive index of the aqueous polymeric solution to substantially match the refractive index of the hydrophobic polymer. The variable opacity materials may be applied in the form of a film to various substrates, such as glass.Type: GrantFiled: December 17, 2018Date of Patent: June 8, 2021Assignee: E Ink CorporationInventors: Peter Carsten Bailey Widger, Jay William Anseth, Richard J. Paolini, Jr., Craig Alan Breen, Wesley Viola
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Patent number: 10983410Abstract: An electro-optic medium exhibiting reduced haze and having other improved properties may be obtained by including a binder containing fish gelatin and acacia. The electro-optic medium may include a plurality of capsules in a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field.Type: GrantFiled: June 14, 2018Date of Patent: April 20, 2021Assignee: E Ink CorporationInventors: Peter Carsten Bailey Widger, Jay William Anseth, Richard J. Paolini, Jr., Craig Alan Breen
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Publication number: 20210002488Abstract: A variable transmission film may include an electrophoretic medium having a plurality of capsules and a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field and being capable of being switched between an open state and a closed state. The film may include at least one of a binder containing fish gelatin and a polyanion; a binder containing one or more tinting agents; capsules containing charge control agents, such as an oligoamine-terminated polyolefin and a branched chain fatty acid comprising at least 8 carbon atoms; a selection of capsules in which at least 60% have a diameter between 50 ?m and 90 ?m and at least 15% have a diameter between 20 ?m and 49 ?m; a tinted adhesive layer; and a fluid selected from one or more nonconjugated olefinic hydrocarbons.Type: ApplicationFiled: September 17, 2020Publication date: January 7, 2021Inventors: Peter Carsten Bailey WIDGER, Jay William ANSETH, Richard J. PAOLINI, JR., Mark Benjamin ROMANOWSKY, Jillian SMITH, Stephen J. TELFER, Craig Alan BREEN, Stephen BULL
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Publication number: 20200355979Abstract: A variable light transmission device has at least one layer of electrophoretic medium comprising charged particles. Application of a an electric field having a waveform formed by a superposition of a carrier and a modulator waveform enables the switching of the device from a closed state to an open state, wherein the open state has higher light transmission than the closed state. As a result, the device enables the selection of the desired optical state by the user.Type: ApplicationFiled: April 30, 2020Publication date: November 12, 2020Inventors: Kosta LADAVAC, Richard J. PAOLINI, JR., Stephen J. TELFER, Lee YEZEK, Sunil Krishna SAINIS, Peter Carsten Bailey WIDGER
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Patent number: 10809590Abstract: A variable transmission film may include an electrophoretic medium having a plurality of capsules and a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field and being capable of being switched between an open state and a closed state. The film may include at least one of a binder containing fish gelatin and a polyanion; a binder containing one or more tinting agents; capsules containing charge control agents, such as an oligoamine-terminated polyolefin and a branched chain fatty acid comprising at least 8 carbon atoms; a selection of capsules in which at least 60% have a diameter between 50 ?m and 90 ?m and at least 15% have a diameter between 20 ?m and 49 ?m; a tinted adhesive layer; and a fluid selected from one or more nonconjugated olefinic hydrocarbons.Type: GrantFiled: June 14, 2018Date of Patent: October 20, 2020Assignee: E Ink CorporationInventors: Peter Carsten Bailey Widger, Jay William Anseth, Richard J. Paolini, Jr., Mark Benjamin Romanowsky, Jillian Smith, Stephen J. Telfer, Craig Alan Breen, Stephen Bull
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Patent number: 10796649Abstract: A variable transmission medium comprises a fluid and a plurality of nanoparticles dispersed in the fluid, wherein addition of acid to the fluid causes the nanoparticles to flocculate and form aggregates of particles that scatter light. The nanoparticles may comprise at least one metal oxide, such as titanium dioxide, zinc oxide or zirconium dioxide. The fluid may have a dielectric constant less than about 10. The medium may be used in, for example, privacy glass for a conference room.Type: GrantFiled: April 23, 2018Date of Patent: October 6, 2020Assignee: E Ink CorporationInventors: Stephen J. Telfer, Richard J. Paolini, Jr., Stephen Bull, Joshua A. Ritchey, Kosta Ladavac, Lee Yezek, Craig A. Herb, Peter Carsten Bailey Widger
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Publication number: 20200272017Abstract: An electro-optic media includes either a plurality of microcapsules in a binder, a polymeric sheet containing sealed microcells, or droplets in a continuous polymeric phase. Each of the microcapsules, microcells, or droplets contain a dispersion that includes a plurality of charged composite particles and a suspending fluid, and the charged particles move through the suspending fluid under the influence of an electric field. The composite particles include one or more types of pigment particles that are at least partially coated with a polymeric material. Each of the binder, polymeric sheet, continuous polymeric phase, the charged composite particles, and the suspending fluid have an index of refraction, and a difference between the index of refraction of the composite particles and at least one of the binder, polymeric sheet, continuous polymeric phase, and solvent is less than or equal to 0.05 at 550 nm.Type: ApplicationFiled: January 29, 2020Publication date: August 27, 2020Inventors: Jin-Gyu PARK, Richard J. PAOLINI, JR., Peter Carsten Bailey WIDGER, Jillian SMITH, Jay William ANSETH, Craig A. HERB, George G. HARRIS, Mark Benjamin ROMANOWSKY
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Publication number: 20200117069Abstract: An electro-optic display having a viewing surface through which a user views the display, a bistable, non-electrochromic electro-optic medium, and at least one electrode arranged to apply an electric field to the electro-optic medium, the display further comprising at least 10 micromoles per square meter of the viewing surface of at least one compound having an oxidation potential more negative that about 150 mV with respect to a standard hydrogen electrode, as measured at pH 8, where the compoundType: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Stephen J. TELFER, Peter Carsten Bailey WIDGER, Ana L. LATTES, Dan John LAUBER
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Patent number: 10612043Abstract: The present invention provides a method for making a large nucleic acid having a defined sequence in vivo. The method combines recombineering techniques with a CRISPR/Cas system to permit multiple insertions of defined sequences into a target nucleic acid at one time, double stranded cleavage of target nucleic acids in which the defined sequences were not successfully inserted, and selection of successful recombinant cells. The method further includes repeating the process one or more times, using a successful recombinant from one round as the host cell for the next round.Type: GrantFiled: January 7, 2014Date of Patent: April 7, 2020Assignee: Agilent Technologies, Inc.Inventor: Carsten-Peter Carstens
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Publication number: 20200004099Abstract: A method of driving a variable transmission film is provided and a variable transmission device including the film and a controller configured to drive the film. The film may include a layer of electrophoretic material and at least one electrode, the electrophoretic material including a fluid containing a plurality of charged particles capable of moving through the fluid upon application of an electric field by the at least one electrode. The method may include applying a first voltage waveform to the film at an initial optical state and applying a second voltage waveform having a lower frequency and shorter pulse duration than the first voltage waveform to switch the film to a final optical state, wherein the film has a higher percent transmission at the initial optical state than the final optical state.Type: ApplicationFiled: June 20, 2019Publication date: January 2, 2020Inventors: Peter Carsten Bailey WIDGER, George G. HARRIS, Richard J. PAOLINI, JR., Craig Alan BREEN
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Patent number: 10520786Abstract: An electro-optic display having a viewing surface through which a user views the display, a bistable, non-electrochromic electro-optic medium, and at least one electrode arranged to apply an electric field to the electro-optic medium, the display further comprising at least 10 micromoles per square meter of the viewing surface of at least one compound having an oxidation potential more negative that about 150 mV with respect to a standard hydrogen electrode, as measured at pH 8, where the compound having the oxidation potential comprises one or more compounds of Formulae I below: where in Formulae I, R1-R4 may be substituted or unsubstituted alkyl or aryl groups, or heteroatomic groups containing hetero atoms of Groups V-VII of the periodic table, and substituents R1 and R2 (taken together), and/or R3 and R4, may form a ring.Type: GrantFiled: June 30, 2017Date of Patent: December 31, 2019Assignee: E Ink CorporationInventors: Stephen J. Telfer, Peter Carsten Bailey Widger, Ana L. Lattes, Dan John Lauber