Patents by Inventor Kristy Gillette
Kristy Gillette 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: 11921373Abstract: A backlight includes an extended light source adapted to emit light. A reflective polarizer is disposed on the extended light source, such that for substantially normally incident light and for at least a first wavelength in a range from about 420 nanometer (nm) to about 650 nm, the reflective polarizer reflects at least 60% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state. A first prismatic film is disposed between the extended light source and the reflective polarizer. A retarder layer is disposed between the reflective polarizer and the first prismatic film, such that for substantially normally incident light at a wavelength of about 550 nm, the retarder layer has a retardance nW, where n is an integer ?1 and W is a wavelength between about 160 nm and about 300 nm.Type: GrantFiled: February 1, 2021Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kristy A. Gillette, Michelle L Toy, William Blake Kolb, Jonah Shaver, Jason S. Petaja
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Publication number: 20240012179Abstract: An optical lens includes a lens substrate including a cyclic olefin copolymer, an optical film including a plurality of alternating first and second polymeric layers, and a bonding film disposed on, and bonding the optical film to, a major surface of the lens substrate. The bonding film causes an average peel force to separate the optical film from the lens substrate to be greater than about 100 g/in while maintaining for at least one outermost major surface of the optical film, a mean displacement surface roughness Sa of less than about 10 nm and a slope magnitude error of less than about 100 ?rad, and/or lower and higher spatial frequency slope magnitude errors each less than about 100 ?rad.Type: ApplicationFiled: November 16, 2021Publication date: January 11, 2024Inventors: Adam D. Haag, Kristy A. Gillette, John D. Le, David J.W. Aastuen
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Publication number: 20230368569Abstract: An integral optical construction includes a lens layer including a structured first major surface having a plurality of microlenses. An optically opaque mask layer is disposed on the lens layer and defines a plurality of openings. Each of the openings extends from a first major surface of the mask layer facing the lens layer to an opposite second major surface of the mask layer. The openings are in a one-to-one correspondence with the microlenses. Regions of the mask layer between the openings have an optical density of greater than about 2 for at least a first visible wavelength in a visible wavelength range. An optical adhesive layer is disposed on, and makes physical contact with, the second major surface of the mask layer. The optical adhesive layer defines a recess at each of the openings. The recess includes a closed bottom and an opposite open top open to the opening.Type: ApplicationFiled: May 10, 2023Publication date: November 16, 2023Inventors: Kristy A. Gillette, Zhaohui Yang, Encai Hao, William J. Gray
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Publication number: 20230365840Abstract: High temperature and high humidity stable optically clear adhesives include a curable (meth)acrylate copolymer having a weight average molecular weight in a range of 100,000 to 400,000 Da, an optional photoinitiator, and a co-curable additive mixture. The additive mixture has at least one epoxy (meth)acrylate oligomer, at least one amine-functional (meth)acrylate, and at least one urethane (meth)acrylate oligomer. The cured adhesive composition has a shear storage modulus (G?) greater than 90 kiloPascals (kPa) when measured at 70° C. and at a frequency of 1 radian/second, and a Tan Delta of 0.2 or less at 70° C., where Tan Delta is the calculated ratio (G?/G?) of the measured shear storage modulus (G?) and shear loss modulus (G?).Type: ApplicationFiled: May 12, 2023Publication date: November 16, 2023Inventors: Encai Hao, Kristy A. Gillette
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Publication number: 20230280512Abstract: An optical construction includes a lens layer having a structured first major surface including a plurality of microlenses; an optical filter disposed on the lens layer; an optically opaque mask layer disposed between the lens layer and the optical filter and defining a plurality of openings therein; and a low index layer disposed on the optical filter. For a first wavelength in a visible wavelength range, a second wavelength that can be in an infrared wavelength range, the optical filter has: an optical transmission of greater than about 50% for the first wavelength for each of a first incident angle of less than about 10 degrees and a second incident angle of greater than about 30 degrees, and for the second wavelength, an optical transmission of less than about 15% for the first incident angle and of greater than about 30% for the second incident angle.Type: ApplicationFiled: February 21, 2023Publication date: September 7, 2023Inventors: Joseph P. Attard, Kristy A. Gillette, Tri D. Pham, Zhaohui Yang
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Publication number: 20230066094Abstract: A backlight includes an extended light source adapted to emit light. A reflective polarizer is disposed on the extended light source, such that for substantially normally incident light and for at least a first wavelength in a range from about 420 nanometer (nm) to about 650 nm, the reflective polarizer reflects at least 60% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state. A first prismatic film is disposed between the extended light source and the reflective polarizer. A retarder layer is disposed between the reflective polarizer and the first prismatic film, such that for substantially normally incident light at a wavelength of about 550 nm, the retarder layer has a retardance nW, where n is an integer ?1 and W is a wavelength between about 160 nm and about 300 nm.Type: ApplicationFiled: February 1, 2021Publication date: March 2, 2023Inventors: Kristy A. Gillette, Michelle L. Toy, William Blake Kolb, Jonah Shaver, Jason S. Petaja
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Patent number: 11573361Abstract: Rolls of film are described. In particular, rolls of film including a multilayer birefringent reflective polarizer and a polyvinyl alcohol layer are described. Such films exhibit low variation in pass axis across a full crossweb width.Type: GrantFiled: June 26, 2018Date of Patent: February 7, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kristy A. Gillette, Carl A. Stover, Matthew B. Johnson
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Patent number: 11536886Abstract: Rolls of film are described. In particular, rolls of film including multilayer birefringent polarizers having low pass axis variation are described. The multilayer birefringent polarizers have low pass axis variation across a full crossweb width of the roll of film.Type: GrantFiled: June 26, 2018Date of Patent: December 27, 2022Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kristy A. Gillette, Matthew B. Johnson, Carl A. Stover
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Patent number: 11520092Abstract: Optical stacks are described. In particular, optical stacks including reflecting-absorbing polarizers and quarter-wave plates are disclosed. The optical core of the optical stack—which includes a reflecting-absorbing polarizer with at least one skin layer including polarizing dye—may be co-extruded or co-stretched.Type: GrantFiled: September 25, 2019Date of Patent: December 6, 2022Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Matthew B. Johnson, Adam D. Haag, Seong Taek Lee, Brianna N. Nieson, Kristy A. Gillette, Michelle L. Toy
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Publication number: 20220187521Abstract: An optical stack includes an optical film (200) and an optical adhesive (500) disposed on the optical film. The optical adhesive has a major structured surface facing away from the optical film that includes a plurality of channels formed therein. The channels define a plurality of substantially flat land regions therebetween. The land regions include at least about 50% of a total surface area of the major structured surface. When the optical stack is placed on a support surface with the major structured surface of the optical adhesive contacting the support surface, the optical stack bonds to the support surface and may be removed from, or slidingly repositioned on, the support surface without damage to the optical adhesive or the support surface, and upon application of at least one of heat and pressure, the optical stack substantially permanently bonds to the support surface and the plurality of channels substantially disappear.Type: ApplicationFiled: April 28, 2020Publication date: June 16, 2022Inventors: Michelle L. Toy, Kristy A. Gillette, Matthew B. Johnson, Eileen M. Franey, Carley A. Haroldson, Joseph P. Attard, Guy M. Kallman, William Blake Kolb
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Publication number: 20220050287Abstract: A glass laminate (100) including first and second glass layers (102,104), a reflective film (110) having opposed first and second major surfaces and disposed between the first and second glass layers (102,104) with the first and second major surfaces facing the respective first and second glass layers (102,104), a first adhesive layer (117) disposed between and bonding together the first glass layer (102) and the reflective film (110), and a second adhesive layer (119) disposed between and bonding together the second glass layer (104) and the reflective film (110) is described. The second adhesive layer (119) is thicker than the first adhesive layer (117) such that the first major surface of the reflective film (110) is separated from an outermost major surface of the first glass layer (102) by distance d1, the second major surface of the reflective film (110) is separated from an outermost major surface of the second glass layer (104) by a distance d2, and 0.05<d1/d2<0.9.Type: ApplicationFiled: September 18, 2019Publication date: February 17, 2022Inventors: John F. VANDERLOFSKE, III, Eileen M. FRANEY, Stephan J. PANKRATZ, Matthew B. JOHNSON, Brianna N. WHEELER, Adam D. HAAG, Kristy A. GILLETTE, Jonah SHAVER
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Patent number: 11231536Abstract: A polarizer including an oriented polymeric first layer is described. The oriented polymeric first layer is preparable from a mixture of polyvinyl alcohol and crosslinker where the crosslinker is included in the mixture at 5 to 40 percent by weight based on the total weight of the polyvinyl alcohol and crosslinker. The oriented polymeric first layer is a substantially uniaxially drawn layer, in that for U=(1/MDDR?1)/(TDDR1/2?1), U is at least 0.85, with MDDR being a machine direction draw ratio and TDDR being a transverse direction draw ratio.Type: GrantFiled: August 3, 2017Date of Patent: January 25, 2022Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kristy A. Gillette, James E. Lockridge, Brianna N. Nieson, Joan M. Noyola, Jason S. Petaja, Matthew B. Johnson, Jeffrey W. Hagen
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Publication number: 20210302628Abstract: A coating composition includes a first polymer and a second polymer that are incompatible and non-reactive with one another. The absolute value of the difference between the refractive index of the first polymer and the refractive index of the second polymer is about 0 to about 0.01. The first polymer and the second polymer are soluble in a carrier liquid that is a good solvent for the first polymer and a poor solvent for the second polymer. The carrier liquid is removed from the coating layer to spinodally decompose the mixture of the first polymer and the second polymer in an amount sufficient to form a substantially continuous first phase with a predominant amount of the first polymer and a substantially discontinuous second phase with a predominant amount the second polymer. At least 70% of the second phase includes droplets with an aspect ratio, when viewed in the plane of the surface of the substrate, of less than about 3.Type: ApplicationFiled: May 27, 2021Publication date: September 30, 2021Inventors: Thomas J. Ludemann, Jeffrey W. Hagen, David T. Ask, Kristy A. Gillette, Eric D. Shockey
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Publication number: 20210277274Abstract: A vehicle sensor system is described comprising an exterior surface; and a repellent composition disposed on the exterior surface, wherein the repellent composition exhibits an increase in haze according to the Dirty Water Spray Test of less than 5, 4, 3, or 2%. In typical embodiments, the repellent composition exhibits an advancing water contact angle from 90° to 125°. In some embodiments, the sensor system comprises a camera, a laser, a LIDAR sensor, a sonar sensor, or a radar sensor. The exterior surface is typically a windshield surface, a protective housing, or a lens surface. In some favored embodiments, the repellent composition exhibits a roll-off angle of no greater than 25, 20, 15, 10 or 5 degrees.Type: ApplicationFiled: July 10, 2019Publication date: September 9, 2021Inventors: Chad M. Amb, Richard J. Pokorny, Thomas P. Klun, Nicholas L. Untiedt, Moses M. David, Jon P. Nietfeld, Joan M. Noyola, Jonah Shaver, Kristy A. Gillette, Patricia M. Savu
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Patent number: 10775547Abstract: A lightguide having opposing first and second major surfaces where the first major surface includes a plurality of extended features and a plurality of discrete features is described. The lightguide has a viewable area having a length at least 100 times a thickness of the lightguide. The extended features extend in a first in-plane direction across at least 90 percent of the length L of the viewable area. The discrete features are spaced apart along the length and width of the viewable area. The discrete features may be disposed in spaces between the extended features. The discrete features may have faces extending between and connecting adjacent extended features.Type: GrantFiled: March 12, 2018Date of Patent: September 15, 2020Assignee: 3M Innovation Properties CompanyInventors: Robert M. Emmons, David A. Rosen, Nicholas A. Johnson, Gary T. Boyd, Trevor W. Stolber, Owen M. Anderson, Graham M. Clarke, Sherie A. Kristie, Edward C. Roberts, Kristy A. Gillette
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Publication number: 20200183068Abstract: Rolls of film are described. In particular, rolls of film including a multilayer birefringent reflective polarizer and a polyvinyl alcohol layer are described. Such films exhibit low variation in pass axis across a full crossweb width.Type: ApplicationFiled: June 26, 2018Publication date: June 11, 2020Inventors: Kristy A. Gillette, Carl A. Stover, Matthew B. Johnson
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Publication number: 20200166684Abstract: Rolls of film are described. In particular, rolls of film including multilayer birefringent polarizers having low pass axis variation are described. The multilayer birefringent polarizers have low pass axis variation across a full crossweb width of the roll of film.Type: ApplicationFiled: June 26, 2018Publication date: May 28, 2020Inventors: Kristy A. Gillette, Matthew B. Johnson, Carl A. Stover
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Publication number: 20200103578Abstract: A lightguide having opposing first and second major surfaces where the first major surface includes a plurality of extended features and a plurality of discrete features is described. The lightguide has a viewable area having a length at least 100 times a thickness of the lightguide. The extended features extend in a first in-plane direction across at least 90 percent of the length L of the viewable area. The discrete features are spaced apart along the length and width of the viewable area. The discrete features may be disposed in spaces between the extended features. The discrete features may have faces extending between and connecting adjacent extended features.Type: ApplicationFiled: March 12, 2018Publication date: April 2, 2020Inventors: Robert M. Emmons, David A. Rosen, Nicholas A. Johnson, Gary T. Boyd, Trevor W. Stolber, Owen M. Anderson, Graham M. Clarke, Sherie A. Kristie, Edward C. Roberts, Kristy A. Gillette
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Publication number: 20200041707Abstract: Optical stacks are described. In particular, optical stacks including reflecting-absorbing polarizers and quarter-wave plates are disclosed. The optical core of the optical stack—which includes a reflecting-absorbing polarizer with at least one skin layer including polarizing dye—may be co-extruded or co-stretched.Type: ApplicationFiled: September 25, 2019Publication date: February 6, 2020Inventors: Matthew B. Johnson, Adam D. Haag, Seong Taek Lee, Brianna N. Nieson, Kristy A. Gillette, Michelle L. Toy
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Patent number: 10466398Abstract: Optical stacks are described. In particular, optical stacks including reflecting-absorbing polarizers and quarter-wave plates are disclosed. The optical core of the optical stack—which includes a reflecting-absorbing polarizer with at least one skin layer including polarizing dye—may be co-extruded or co-stretched.Type: GrantFiled: June 13, 2016Date of Patent: November 5, 2019Assignee: 3M Innovative Properties CompanyInventors: Matthew B. Johnson, Adam D. Haag, Seong Taek Lee, Brianna N. Nieson, Kristy A. Gillette, Michelle L. Toy