Patents by Inventor Lan H. Liu
Lan H. Liu 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: 20240228376Abstract: A wall compound for use in all applications and particularly well-suited indicating dryness with a durable, visible change in color.Type: ApplicationFiled: May 12, 2022Publication date: July 11, 2024Inventors: Lan H. Liu, Richard J. Pokorny, Thomas P. Klun, Yong K. Wu, Bathsheba E.F. Chong Conklin
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Patent number: 11435616Abstract: Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.Type: GrantFiled: April 6, 2020Date of Patent: September 6, 2022Assignee: 3M Innovative Properties CompanyInventors: Encai Hao, Fei Lu, William Blake Kolb, Brian W. Ostlie, Adam D. Haag, Michael Benton Free, William D. Coggio, Michael L. Steiner, Soemantri Widagdo, Kui Chen-Ho, Lan H. Liu, Robert F. Kamrath, Scott M. Tapio, John A. Wheatley, Charles D. Hoyle, Michael F. Weber
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Patent number: 10982122Abstract: Optically clear curable adhesive films that are heat conformable prior to setting include a reactive composition. The curable films are flexible and free-standing, and have a complex viscosity of greater than 100,000 poise (10,000 Pascal seconds) at 25° C. and less than 100 poise (10 Pascal seconds) at 85° C., prior to setting. The set film has an adhesive shear strength of greater than 100 Newtons per square centimeter (N/cm2) to a glass substrate when measured according to the Shear Adhesion Test Method. The reactive composition includes an ethylenically unsaturated polyester-containing oligomeric composition that is the reaction product of a saturated, amorphous co-polyester polyol and a compound with a terminal polyol-reactive group and a terminal ethylenically unsaturated group, a (meth)acrylate functional material, and at least one initiator.Type: GrantFiled: September 1, 2015Date of Patent: April 20, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Margot A. Branigan, Thomas P. Klun, Kevin R. Schaffer, Audrey A. Sherman, Christopher J. Campbell, Lan H. Liu, Wayne S. Mahoney, Michael C. Palazzotto, Robert R. Kieschke
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Patent number: 10723894Abstract: Waterborne suspensions include surface treated silica particles, a water dispersable binder resin, at least one surfactant, and an aqueous solvent. The surface treated silica particles have a mixture of hydrophobic and hydrophilic silane surface treatment agents, where the ratio of hydrophilic silane surface treatment agent to hydrophobic silane surface treatment agent is greater than 1. The waterborne suspensions can be coated and dried to form nanostructured tie layers, especially tie layers to silicone or (meth)acrylate layers.Type: GrantFiled: December 15, 2015Date of Patent: July 28, 2020Assignee: 3M Innovative Properties CompanyInventors: Lan H. Liu, Audrey A. Sherman, Haeen Sykora, Joan M. Noyola, Sonja S. Mackey, James P. Dizio
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Publication number: 20200233268Abstract: Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.Type: ApplicationFiled: April 6, 2020Publication date: July 23, 2020Inventors: Encai HAO, Fei LU, William Blake KOLB, Brian W. OSTLIE, Adam D. HAAG, Michael Benton FREE, William D. COGGIO, Michael L. STEINER, Soemantri WIDAGDO, Kui CHEN-HO, Lan H. LIU, Robert F. KAMRATH, Scott M. TAPIO, John A. WHEATLEY, Charles D. HOYLE, Michael F. WEBER
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Patent number: 10703943Abstract: Processing tapes for use in preparing optical articles include a thermally stable tape backing and a low tack adhesive layer at least partially coated on tape backing. The low tack adhesive layer includes a crosslinked, polyester-containing (meth)acrylate-based polymer that is essentially free of volatile components, is unchanged after heat aging of 150 C for 1 hour under a pressure of 4.31 kiloPascals, and is able to removably adhere to the anti-reflective, nanostructured surface coating of an optical construction.Type: GrantFiled: December 27, 2016Date of Patent: July 7, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Lan H. Liu, Edward J. Kivel, Steven D. Solomonson, Stephen A. Johnson
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Patent number: 10649274Abstract: Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.Type: GrantFiled: September 25, 2015Date of Patent: May 12, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Encai Hao, Fei Lu, William Blake Kolb, Brian W. Ostlie, Adam D. Haag, Michael Benton Free, William D. Coggio, Michael L. Steiner, Soemantri Widagdo, Kui Chen-Ho, Lan H. Liu, Robert F. Kamrath, Scott M. Tapio, John A. Wheatley, Charles D. Hoyle, Michael F. Weber
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Patent number: 10513626Abstract: There is provided an article comprising at least a first surface having a fluorine-containing polymeric binder resin layer and a plurality of microspheres partially embedded in a first major surface of the binder resin layer and adhered thereto; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50. There are also provided such articles wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight. There are also provided such articles wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.Type: GrantFiled: June 26, 2014Date of Patent: December 24, 2019Assignee: 3M Innovative Properties CompanyInventors: Christopher B. Walker, Jr., John C. Clark, Tatsuo Fukushi, Thomas P. Klun, Vivek Krishnan, Alexander J. Kugel, Lan H. Liu, Jingjing Ma, Steven J. McMan
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Patent number: 10502869Abstract: An optical article includes an optical element, a low refractive index layer disposed on the optical element having an effective refractive index of 1.3 or less and a polymeric protective layer disposed on the low refractive index layer. The low refractive index layer includes a binder, a plurality of metal oxide particles dispersed in the binder, and a plurality of interconnected voids. The polymeric protective layer does not increase an effective refractive index of the optical article by greater than 10%.Type: GrantFiled: October 20, 2011Date of Patent: December 10, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: William D. Coggio, Ramesh C. Kumar, John A. Wheatley, Michael L. Steiner, William F. Edmonds, Lan H. Liu, Encai Hao, Robert F. Kamrath, John J. Stradinger
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Patent number: 10471681Abstract: Heat de-bondable adhesive articles include a heat-shrinkable optical substrate with optically clear adhesive disposed on the two major surfaces of the heat-shrinkable substrate. Optical articles can be prepared by disposing the heat de-bondable adhesive articles between two optical substrates. Other optical articles can be prepared by disposing an optically clear adhesive layer and a heat-shrinkable optical substrate on an optical substrate.Type: GrantFiled: July 16, 2013Date of Patent: November 12, 2019Assignee: 3M Innovative Properties CompanyInventors: Scott M. Tapio, Audrey A. Sherman, Kevin R. Schaffer, Joseph D. Rule, Lan H. Liu, Margot A. Branigan, Ross E. Behling
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Patent number: 10353214Abstract: Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional. The optical stacks are suitable for reducing sparkle in displays.Type: GrantFiled: June 12, 2015Date of Patent: July 16, 2019Assignees: 3M Innovative Properties Company, Corning IncorporatedInventors: Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, Jr., Daniel W. Hennen, Michael L. Steiner, Lan H. Liu, Jacques Gollier, James Andrew West, Ellen Marie Kosik Williams
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Publication number: 20190010371Abstract: Processing tapes for use in preparing optical articles include a thermally stable tape backing and a low tack adhesive layer at least partially coated on tape backing. The low tack adhesive layer includes a crosslinked, polyester-containing (meth)acrylate-based polymer that is essentially free of volatile components, is unchanged after heat aging of 150 C for 1 hour under a pressure of 4.31 kiloPascals, and is able to removably adhere to the anti-reflective, nanostructured surface coating of an optical construction.Type: ApplicationFiled: December 27, 2016Publication date: January 10, 2019Inventors: Lan H. Liu, Edward J. Kivel, Steven D. Solomonson, Stephen A. Johnson
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Patent number: 9995944Abstract: Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional, or may include a single two-directional grating. The optical stacks include particles selected to give controlled diffusion of light. The optical stacks are suitable for reducing sparkle in displays.Type: GrantFiled: June 3, 2015Date of Patent: June 12, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, Jr., Andrew J. Ouderkirk, Daniel W. Hennen, Lan H. Liu
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Publication number: 20180037754Abstract: Waterborne suspensions include surface treated silica particles, a water dispersable binder resin, at least one surfactant, and an aqueous solvent. The surface treated silica particles have a mixture of hydrophobic and hydrophilic silane surface treatment agents, where the ratio of hydrophilic silane surface treatment agent to hydrophobic silane surface treatment agent is greater than 1. The waterborne suspensions can be coated and dried to form nanostructured tie layers, especially tie layers to silicone or (meth)acrylate layers.Type: ApplicationFiled: December 15, 2015Publication date: February 8, 2018Inventors: Lan H. Liu, Audrey A. Sherman, Haeen Sykora, Joan M. Noyola, Sonja S. Mackey, James P. Dizio
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Publication number: 20170357347Abstract: Touch sensitive projection screens are disclosed. In particular, touch sensitive projection screen including drive electrodes, sense electrodes, and optical diffusers are disclosed. The touch sensitive projection screens are adapted for use on a horizontal surface. Touch sensitive projection screens including shrinkable layers are also disclosed.Type: ApplicationFiled: October 23, 2015Publication date: December 14, 2017Inventors: Steven T. Swartz, Hui Luo, Neeraj Sharma, Robert A. Yapel, Ronald L. Imken, Jung-Sheng Wu, David T. Yust, Richard J. Pokorny, Lan H. Liu, Craig R. Sykora, David J. McDaniel, Yu Yang, Mitchell A.F. Johnson
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Patent number: 9827739Abstract: Heat de-bondable optical articles include two optical substrates and a heat de-bondable adhesive article disposed between them. The adhesive article includes a heat-shrinkable substrate and an optically clear adhesive proximate to the heat-shrinkable substrate. Optical articles can be prepared by disposing the heat-shrinkable substrate and the optically clear adhesive between two optical substrates. The optically clear adhesive covers a majority of the surface area of the optical substrates, and the heat-shrinkable substrate is located near the edge of the optical substrates.Type: GrantFiled: July 1, 2013Date of Patent: November 28, 2017Assignee: 3M Innovative Properties CompanyInventors: Joseph D. Rule, Scott M. Tapio, Audrey S. Sherman, Kevin R. Schaffer, Lan H. Liu, Margot A. Branigan, Ross E. Behling
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Publication number: 20170247589Abstract: Optically clear curable adhesive films that are heat conformable prior to setting include a reactive composition. The curable films are flexible and free-standing, and have a complex viscosity of greater than 100,000 poise (10,000 Pascal seconds) at 25° C. and less than 100 poise (10 Pascal seconds) at 85° C., prior to setting. The set film has an adhesive shear strength of greater than 100 Newtons per square centimeter (N/cm2) to a glass substrate when measured according to the Shear Adhesion Test Method. The reactive composition includes an ethylenically unsaturated polyester-containing oligomeric composition that is the reaction product of a saturated, amorphous co-polyester polyol and a compound with a terminal polyol-reactive group and a terminal ethylenically unsaturated group, a (meth)acrylate functional material, and at least one initiator.Type: ApplicationFiled: September 1, 2015Publication date: August 31, 2017Inventors: Margot A. Branigan, Thomas P. Klun, Kevin R. Schaffer, Audrey A. Sherman, Christopher J. Campbell, Lan H. Liu, Wayne S. Mahoney, Michael C. Palazzotto, Robert R. Kieschke
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Publication number: 20170131559Abstract: Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional, or may include a single two-directional grating. The optical stacks include particles selected to give controlled diffusion of light. The optical stacks are suitable for reducing sparkle in displays.Type: ApplicationFiled: June 3, 2015Publication date: May 11, 2017Inventors: Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, JR., Andrew J. Ouderkirk, Daniel W. Hennen, Lan H. Liu
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Publication number: 20170115498Abstract: Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional. The optical stacks are suitable for reducing sparkle in displays.Type: ApplicationFiled: June 12, 2015Publication date: April 27, 2017Applicants: 3M Innovative Properties Company, Corning IncorporatedInventors: Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, Jr., Daniel W. Hennen, Michael L. Steiner, Lan H. Liu, Jacques Gollier, James Andrew West, Ellen Marie Kosik Williams
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Patent number: 9588262Abstract: An optical article includes an optical element and a low refractive index layer disposed on the optical element. The low refractive index layer having an effective refractive index of 1.3 or less and including a binder, a plurality of metal oxide particles dispersed in the binder and a plurality of interconnected voids. The low refractive index layer has a haze value of at least 30%.Type: GrantFiled: October 14, 2011Date of Patent: March 7, 2017Assignee: 3M Innovative Properties CompanyInventors: William D. Coggio, Michael L. Steiner, William F. Edmonds, Robert F. Kamrath, Lan H. Liu, Encai Hao