Patents by Inventor Keith R. Bruesewitz
Keith R. Bruesewitz 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: 11522025Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first a polyolefin-based low WVTR adhesive polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.Type: GrantFiled: May 3, 2018Date of Patent: December 6, 2022Assignee: 3M Innovative Properties CompanyInventors: Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz
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Patent number: 11472909Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.Type: GrantFiled: September 16, 2020Date of Patent: October 18, 2022Assignee: 3M Innovative Properties CompanyInventors: Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz
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Patent number: 11294106Abstract: A unitary optical film stack comprising a light redirecting film assembly; a light diffusion film assembly; and an optical adhesive; wherein the light redirecting film assembly and the light diffusion film assembly are physically coupled non-continuously to minimize optical coupling.Type: GrantFiled: February 10, 2017Date of Patent: April 5, 2022Assignee: 3M Innovative Properties CompanyInventors: Tri D. Pham, Qingbing Wang, Daniel J. Theis, Encai Hao, Keith R. Bruesewitz
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Patent number: 11127924Abstract: Display devices that include: an organic light emitting diode panel having a multilayer construction including one or more adhesive films; and a polymeric film incorporated within the multilayer construction of the organic light emitting diode panel.Type: GrantFiled: November 5, 2019Date of Patent: September 21, 2021Assignee: 3M Innovative Properties CompanyInventors: Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz
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Publication number: 20210191003Abstract: A unitary optical film stack comprising a light redirecting film assembly; a light diffusion film assembly; and an optical adhesive; wherein the light redirecting film assembly and the light diffusion film assembly are physically coupled non-continuously to minimize optical coupling.Type: ApplicationFiled: February 10, 2017Publication date: June 24, 2021Inventors: TRI D. PHAM, QINGBING WANG, DANIEL J. THEIS, ENCAI HAO, KEITH R. BRUESEWITZ
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Publication number: 20210098546Abstract: An OLED display including a display panel and a color-correction component is described. A plurality of comparative display panels otherwise equivalent to the display panel but having one or more different optical thicknesses of OLED layers have a maximum white-point color shift from 0 to 45 degrees of WPCSC45 and a white-point axial efficiency of WPAEC. The plurality of comparative display panels defines a performance curve along a boundary of performance points. The OLED display and the display panel have respective maximum white-point color shifts from 0 to 45 degrees of WPCS45 and WPCS045 and respective white-point axial efficiencies of WPAE and WPAE0. WPCS045 and WPAE0 defines a performance point of the display panel to the right of the performance curve and WPCS45 and WPAE defines a performance point of the OLED display above or to the left of the performance curve. Methods of making the OLED display are described.Type: ApplicationFiled: April 9, 2019Publication date: April 1, 2021Inventors: Nicholas C. Erickson, David G. Freier, Robert L. Brott, Bing Hao, David A. Rosen, Stephen M. Menke, Bert T. Chien, Song Taek Lee, Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz, Adam D. Haag, Sun-Yong Park, Timothy J. Nevitt (Deceased), Brianna N. Wheeler, Jody L. Peterson, Gilles J. Benoit
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Publication number: 20200411801Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.Type: ApplicationFiled: September 16, 2020Publication date: December 31, 2020Inventors: Encai HAO, Zhaohui YANG, Albert I. EVERAERTS, Yongshang LU, William Blake KOLB, Keith R. BRUESEWITZ
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Patent number: 10797269Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index ni; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein ni is different than n2.Type: GrantFiled: November 5, 2019Date of Patent: October 6, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz
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Publication number: 20200152715Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first a polyolefin-based low WVTR adhesive polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.Type: ApplicationFiled: May 3, 2018Publication date: May 14, 2020Inventors: Encai HAO, Zhaohui YANG, Albert I. EVERAERTS, Yongshang LU, William Blake KOLB, Keith R. BRUESEWITZ
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Publication number: 20200075894Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index ni; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein ni is different than n2.Type: ApplicationFiled: November 5, 2019Publication date: March 5, 2020Inventors: Encai HAO, Zhaohui YANG, Albert I. EVERAERTS, Yongshang LU, William Blake KOLB, Keith R. BRUESEWITZ
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Publication number: 20200067019Abstract: Display devices that include: an organic light emitting diode panel having a multilayer construction including one or more adhesive films; and a polymeric film incorporated within the multilayer construction of the organic light emitting diode panel.Type: ApplicationFiled: November 5, 2019Publication date: February 27, 2020Inventors: Encai HAO, Zhaohui YANG, Albert I. EVERAERTS, Yongshang LU, William Blake KOLB, Keith R. BRUESEWITZ
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Patent number: 9960389Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.Type: GrantFiled: May 5, 2017Date of Patent: May 1, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz
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Patent number: 9744708Abstract: A method of controlling a slot die comprises, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, changing the position of the actuators with the controller to either increase the cross-directional thickness of the fluid flow path adjacent each of the actuators or substantially close the fluid flow path adjacent the actuators, and after changing the cross-directional thickness of the fluid flow path adjacent each of the actuators, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, repositioning each of the actuators with the controller according to the set of discrete settings to resume operating the slot die with the actuators positioned according to the set of discrete settings.Type: GrantFiled: April 23, 2015Date of Patent: August 29, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Pentti K. Loukusa, Robert A. Yapel, Terence D. Neavin, Jennifer L. Trice, Kristopher K. Biegler, Paul C. Thomas, William J. Kopecky, Keith R. Bruesewitz, Robert B. Secor
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Patent number: 9579684Abstract: A system comprises a slot die including an applicator slot extending about a width of the slot die, wherein the applicator slot is in fluid communication with a fluid flow path through the slot die, and a plurality of actuators spaced about the width of the slot die, wherein each actuator in the plurality of actuators is operable to adjust a cross-directional thickness of the fluid flow path at its respective location to provide a local adjustment of fluid flow through the applicator slot. The system further comprises a controller configured to set the position of each actuator according to one of a plurality of discrete settings for operation of the slot die. The controller is further configured to, using fluid dynamics and a digital model of the die, predict a set of discrete settings from the plurality of discrete settings corresponding to a preselected cross-web profile for the extrudate.Type: GrantFiled: June 7, 2011Date of Patent: February 28, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Robert A. Yapel, Jennifer L. Trice, Pentti K. Loukusa, Paul C. Thomas, Kristopher K. Biegler, William J. Kopecky, Keith R. Bruesewitz, Robert B. Secor
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Patent number: 9216535Abstract: A method of controlling a slot die comprises positioning actuators of the slot die with a controller according to a first set of discrete settings, operating the slot die by passing an extrudate through the fluid flow path and out the applicator slot with the actuators positioned according to the first set of discrete settings, and while passing the extrudate through the fluid flow path and out the applicator slot, changing the positions of the actuators with the controller to create patterned features in the extrudate.Type: GrantFiled: June 7, 2011Date of Patent: December 22, 2015Assignee: 3M Innovative Properties CompanyInventors: Jennifer L. Trice, Pentti K. Loukusa, Robert A. Yapel, Robert B. Secor, Paul C. Thomas, William J. Kopecky, Keith R. Bruesewitz, Kristopher K. Biegler
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Publication number: 20150224700Abstract: A method of controlling a slot die comprises, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, changing the position of the actuators with the controller to either increase the cross-directional thickness of the fluid flow path adjacent each of the actuators or substantially close the fluid flow path adjacent the actuators, and after changing the cross-directional thickness of the fluid flow path adjacent each of the actuators, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, repositioning each of the actuators with the controller according to the set of discrete settings to resume operating the slot die with the actuators positioned according to the set of discrete settings.Type: ApplicationFiled: April 23, 2015Publication date: August 13, 2015Inventors: Pentti K. Loukusa, Robert A. Yapel, Terence D. Neavin, Jennifer L. Trice, Kristopher K. Biegler, Paul C. Thomas, William J. Kopecky, Keith R. Bruesewitz, Robert B. Secor
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Patent number: 9044894Abstract: A method of controlling a slot die comprises, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, changing the position of the actuators with the controller to either increase the cross-directional thickness of the fluid flow path adjacent each of the actuators or substantially close the fluid flow path adjacent the actuators, and after changing the cross-directional thickness of the fluid flow path adjacent each of the actuators, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, repositioning each of the actuators with the controller according to the set of discrete settings to resume operating the slot die with the actuators positioned according to the set of discrete settings.Type: GrantFiled: June 7, 2011Date of Patent: June 2, 2015Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Pentti K. Loukusa, Robert A. Yapel, Terence D. Neavin, Jennifer L. Trice, Kristopher K. Biegler, Paul C. Thomas, William J. Kopecky, Keith R. Bruesewitz, Robert B. Secor
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Patent number: 8585826Abstract: A method of web cleaning, particularly relatively soft polymeric webs, without using dipping baths or ultrasonic energy. The method includes conveying the web against a backup roller and spraying the web with a high pressure liquid while the web is supported by the backup roller. Thereafter, residual fluid from the high pressure stream is stripped from the web by a gas curtain while the web is supported by the backup roller. In many convenient embodiments, the web is contacted with a cleaning roller while the web is in contact with the backup roller.Type: GrantFiled: November 16, 2009Date of Patent: November 19, 2013Assignee: 3M Innovative Properties CompanyInventors: Brian E. Schreiber, William B. Kolb, Keith R. Bruesewitz
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Patent number: 8355809Abstract: Computer implemented method for making a die includes: selecting coating uniformity required to produce a particular coated product with the die and a value for one or more dimensions of the die; determining (using a mathematical model determined by regression analysis) total indicated run-out (TIR) of a die surface and dimensions of the die not having a user specified value; and machining die part or parts to the determined TIR and dimensions. A thermal treatment process for reducing the number of finishing (e.g., grinding) cycles needed to produce a desired die flatness is provided. A coating fluid rheological characteristic can be an input to the method.Type: GrantFiled: June 25, 2007Date of Patent: January 15, 2013Assignee: 3M Innovative Properties CompanyInventors: Robert A. Yapel, Robert B. Secor, Michael J. Tichy, Bruce D. Shalles, Charles N. DeVore, Jennifer L. Trice, James M. Nelson, Andrzej P. Jaworski, William R. Dudley, Keith R. Bruesewitz
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Publication number: 20120313274Abstract: A method of controlling a slot die comprises, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, changing the position of the actuators with the controller to either increase the cross-directional thickness of the fluid flow path adjacent each of the actuators or substantially close the fluid flow path adjacent the actuators, and after changing the cross-directional thickness of the fluid flow path adjacent each of the actuators, while continuing to pass the extrudate through the fluid flow path and out the applicator slot, repositioning each of the actuators with the controller according to the set of discrete settings to resume operating the slot die with the actuators positioned according to the set of discrete settings.Type: ApplicationFiled: June 7, 2011Publication date: December 13, 2012Inventors: Pentti K. Loukusa, Robert A. Yapel, Terence D. Neavin, Jennifer L. Trice, Kristopher K. Biegler, Paul C. Thomas, William J. Kopecky, Keith R. Bruesewitz, Robert B. Secor