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).

  • Publication number: 20240228376
    Abstract: A wall compound for use in all applications and particularly well-suited indicating dryness with a durable, visible change in color.
    Type: Application
    Filed: May 12, 2022
    Publication date: July 11, 2024
    Inventors: Lan H. Liu, Richard J. Pokorny, Thomas P. Klun, Yong K. Wu, Bathsheba E.F. Chong Conklin
  • Patent number: 11435616
    Abstract: 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: Grant
    Filed: April 6, 2020
    Date of Patent: September 6, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: 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
  • Patent number: 10982122
    Abstract: 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: Grant
    Filed: September 1, 2015
    Date of Patent: April 20, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: 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
  • Patent number: 10723894
    Abstract: 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: Grant
    Filed: December 15, 2015
    Date of Patent: July 28, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Lan H. Liu, Audrey A. Sherman, Haeen Sykora, Joan M. Noyola, Sonja S. Mackey, James P. Dizio
  • Publication number: 20200233268
    Abstract: 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: Application
    Filed: April 6, 2020
    Publication date: July 23, 2020
    Inventors: 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
  • Patent number: 10703943
    Abstract: 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: Grant
    Filed: December 27, 2016
    Date of Patent: July 7, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Lan H. Liu, Edward J. Kivel, Steven D. Solomonson, Stephen A. Johnson
  • Patent number: 10649274
    Abstract: 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: Grant
    Filed: September 25, 2015
    Date of Patent: May 12, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: 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
  • Patent number: 10513626
    Abstract: 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: Grant
    Filed: June 26, 2014
    Date of Patent: December 24, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: 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
  • Patent number: 10502869
    Abstract: 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: Grant
    Filed: October 20, 2011
    Date of Patent: December 10, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: 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
  • Patent number: 10471681
    Abstract: 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: Grant
    Filed: July 16, 2013
    Date of Patent: November 12, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Scott M. Tapio, Audrey A. Sherman, Kevin R. Schaffer, Joseph D. Rule, Lan H. Liu, Margot A. Branigan, Ross E. Behling
  • Patent number: 10353214
    Abstract: 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: Grant
    Filed: June 12, 2015
    Date of Patent: July 16, 2019
    Assignees: 3M Innovative Properties Company, Corning Incorporated
    Inventors: 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
  • Publication number: 20190010371
    Abstract: 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: Application
    Filed: December 27, 2016
    Publication date: January 10, 2019
    Inventors: Lan H. Liu, Edward J. Kivel, Steven D. Solomonson, Stephen A. Johnson
  • Patent number: 9995944
    Abstract: 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: Grant
    Filed: June 3, 2015
    Date of Patent: June 12, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, Jr., Andrew J. Ouderkirk, Daniel W. Hennen, Lan H. Liu
  • Publication number: 20180037754
    Abstract: 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: Application
    Filed: December 15, 2015
    Publication date: February 8, 2018
    Inventors: Lan H. Liu, Audrey A. Sherman, Haeen Sykora, Joan M. Noyola, Sonja S. Mackey, James P. Dizio
  • Publication number: 20170357347
    Abstract: 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: Application
    Filed: October 23, 2015
    Publication date: December 14, 2017
    Inventors: 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
  • Patent number: 9827739
    Abstract: 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: Grant
    Filed: July 1, 2013
    Date of Patent: November 28, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph D. Rule, Scott M. Tapio, Audrey S. Sherman, Kevin R. Schaffer, Lan H. Liu, Margot A. Branigan, Ross E. Behling
  • Publication number: 20170247589
    Abstract: 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: Application
    Filed: September 1, 2015
    Publication date: August 31, 2017
    Inventors: 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
  • Publication number: 20170131559
    Abstract: 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: Application
    Filed: June 3, 2015
    Publication date: May 11, 2017
    Inventors: Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, JR., Andrew J. Ouderkirk, Daniel W. Hennen, Lan H. Liu
  • Publication number: 20170115498
    Abstract: 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: Application
    Filed: June 12, 2015
    Publication date: April 27, 2017
    Applicants: 3M Innovative Properties Company, Corning Incorporated
    Inventors: 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
  • Patent number: 9588262
    Abstract: 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: Grant
    Filed: October 14, 2011
    Date of Patent: March 7, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: William D. Coggio, Michael L. Steiner, William F. Edmonds, Robert F. Kamrath, Lan H. Liu, Encai Hao