1
Andrew J Ouderkirk, Lockwood W Carlson, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Michael F Weber, Richard C Allen, Biswaroop Majumdar: Diffusely reflecting polarizing element including a first birefringent phase and a second phase. Minnesota Mining and Manufacturing Company, John A Fortkort, October 20, 1998: US05825543 (298 worldwide citation)

An optical film with a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase, the film thickness, ...


2
Richard C Allen, Lockwood W Carlson, Andrew J Ouderkirk, Michael F Weber, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Biswaroop Majumdar: Brightness enhancement film. 3M Innovative Properties Company, John A Fortkort, August 29, 2000: US06111696 (278 worldwide citation)

An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix in combination with light directing materials to enable control of light emitted from a lighting fixture or display. The film is oriented, typically by stretching, in ...


3
Andrew J Ouderkirk, Lockwood W Carlson, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Michael F Weber, Richard C Allen, Biswaroop Majumdar: Method for making an optical film. Minnesota Mining and Manufacturing Company, John A Fortkort, July 21, 1998: US05783120 (215 worldwide citation)

An optical film is provided which includes a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase ...


4
Michael F Weber, Timothy J Nevitt, William W Merrill, Kelly M Roscoe, Andrew J Ouderkirk, John A Wheatley, Gary B Hanson, James M Jonza, Jeffrey A Boettcher, Yaoqi J Liu, Terence D Neavin: Color shifting film. 3M Innovative Properties Company, Robert J Pechman, March 11, 2003: US06531230 (215 worldwide citation)

Multilayer polymeric films and other optical bodies are provided which is useful in making colored mirrors and polarizers. The films are characterized by a highly uniform change in color as a function of viewing angle.


5
Lockwood W Carlson, Arthur L Kotz, Timothy J Nevitt, Andrew J Ouderkirk, Carl A Stover, Michael F Weber, Richard C Allen, Biswaroop Majumdar: Multilayer film having a continuous and disperse phase. Minnesota Mining and Manufacturing Company, John A Fortkort, February 2, 1999: US05867316 (158 worldwide citation)

An optical film is provided which includes a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase ...


6
Richard C Allen, Lockwood W Carlson, Andrew J Ouderkirk, Michael F Weber, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Biswaroop Majumdar: Brightness enhancement film. 3M Innovative Properties Company, John A Fortkort, Stephen C Jensen, July 6, 2004: US06760157 (156 worldwide citation)

An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix in combination with light directing materials to enable control of light emitted from a lighting fixture or display. The film is oriented, typically by stretching, in ...


7
William W Merrill, Richard C Allen, Ronald J Tabar, Peter D Condo, Timothy J Nevitt: Optical film and process for manufacture thereof. 3M Innovative Properties Company, William D Miller, January 30, 2001: US06179948 (102 worldwide citation)

Optical films and processes for forming the optical films are described in which materials having different properties are used and the different properties are exploited to obtain improved optical and/or mechanical properties of the optical film. The different properties of the materials may be use ...


8
Takashi Harada, Yorinobu Takamatsu, Makoto Ishikawa, Charles L Bruzzone, Robert S Moshrefzadeh, Timothy J Nevitt, Andrew J Ouderkirk: Reflective projection screen and projection system. 3M Innovative Properties Company, Kevin R Raasch, William D Miller, April 30, 2002: US06381068 (80 worldwide citation)

Reflective front projection screens capable of projecting an image with enhanced contrast and a wide viewing angle in the presence of relatively high levels of ambient light are disclosed along with projection systems using the screens. The projection screens include a reflective polarizing element ...


9
Timothy J Nevitt, Carl A Stover, William L Kausch, Guy M Kallman, Robert W Horn, Timothy J Hebrink, James A Olson, Mark B O&apos Neill, Elisa M Cross, Susan L Kent: Optical films having at least one particle-containing layer. 3M Innovative Properties Company, John A Burtis, July 31, 2001: US06268961 (70 worldwide citation)

An optical film includes a reflective polarizing element and a particle-containing layer. The reflective polarizing element substantially reflects light having a first polarization state and substantially transmits a second polarization state. The particle-containing layer is disposed on the reflect ...


10
Richard C Allen, Lockwood W Carlson, Andrew J Ouderkirk, Michael F Weber, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Biswaroop Majumdar: Optical film with increased gain at non-normal angles of incidence. 3M Innovative Properties Company, John A Fortkort, May 2, 2000: US06057961 (55 worldwide citation)

An optical film is provided which exhibits increased gain at nonnormal angles of incidence and which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the ...