1
Walter J Schrenk, John A Wheatley, Victor S Chang: Birefringent interference polarizer. The Dow Chemical Company, January 23, 1996: US05486949 (236 worldwide citation)

A birefringent interference polarizer which may be fabricated from readily available materials using established coextrusion techniques is provided. The polarizer has a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelengths while transmitting ...


2
Walter J Schrenk, Victor S Chang, John A Wheatley: Birefringent interference polarizer. The Dow Chemical Company, March 18, 1997: US05612820 (170 worldwide citation)

A birefringent interference polarizer which may be fabricated from readily available materials using established coextrusion techniques is provided. The polarizer has a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelengths while transmitting ...


3
Schrenk Walter J, Wheatley John A, Chang Victor S: Birefringent interference polarizer.. Dow Chemical, June 3, 1992: EP0488544-A1 (100 worldwide citation)

A birefringent interference polarizer which may be fabricated from readily available materials using established coextrusion techniques is provided. The polarizer has a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelengths while transmitting ...


4
Walter J Schrenk, Victor S Chang, John A Wheatley: Birefringent interference polarization. 3M Innovative Properties, William D Miller, June 24, 2003: US06583930 (29 worldwide citation)

A birefringent interference polarizer which may be fabricated from readily available materials using established coextrusion techniques is provided. The polarizer has a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelengths while transmitting ...


5
Walter J Schrenk, John A Wheatley, Victor S Chang: Birefringent interference polarizer. Minnesota Mining and Manufacturing Company, Killworth Gottman Hagen & Schaeff, February 16, 1999: US05872653 (22 worldwide citation)

A birefringent interference polarizer which may be fabricated from readily available materials using established coextrusion techniques is provided. The polarizer has a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelengths while transmitting ...


6
William W Merrill, Douglas S Dunn, Travis L Potts: Internally patterned multilayer optical films using spatially selective birefringence reduction. 3M Innovative Properties Company, Qiang Han, February 21, 2017: US09575233 (2 worldwide citation)

A reflective film includes interior layers arranged to selectively reflect light by constructive or destructive interference, the layers extending from a first zone to a second zone of the film. The film has a first thickness and the interior layers provide a first reflective characteristic in the f ...


7
Michael Benton Free, Martin B Wolk, Rolf W Biernath, Stephen A Johnson, William W Merrill, William F Edmonds, Claire A Jalbert: Patterned marking of multilayer optical film by thermal conduction. 3M INNOVATIVE PROPERTIES COMPANY, Daniel J Iden, January 9, 2018: US09864120 (1 worldwide citation)

A multilayer optical film (130) has a packet of microlayers that selectively reflect light by constructive or destructive interference to provide a first reflective characteristic. At least some of the microlayers are birefringent. A stabilizing layer attaches to and covers the microlayer packet pro ...


8
Schrenk Walter J, Wheatley John A, Chang Victor S: Birefringent interference polarizer. 3m Co, July 6, 2006: JP2006-178418 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a birefringent interference polarizer which can be fabricated from readily available materials using established co-extrusion techniques so as to have a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelength whi ...


9
Schrenk Walter J, Wheatley John A, Chang Victor S: Birefringent interference polarizer. 3m Co, July 6, 2006: JP2006-178419 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a birefringent interference polarizer which can be fabricated from readily available materials using established co-extrusion techniques so as to have a level of light absorption near zero and can be fabricated to polarize and reflect light of specific wavelength whi ...


10
William W Merrill, Douglas S Dunn, Przemyslaw Pawel Markowicz: Multilayer optical films suitable for bi-level internal patterning. 3M INNOVATIVE PROPERTIES COMPANY, Gregory D Allen, May 8, 2018: US09964677

A reflective film includes a first optical stack that provides a first reflective characteristic and a second optical stack that provides a second reflective characteristic. The optical stacks also have first and second absorptive characteristics that are suitable to absorptively heat the respective ...