Patents by Inventor Douglas Malcolm Wiggin
Douglas Malcolm Wiggin 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: 11940679Abstract: An apparatus is disclosed that includes a switchable optical filter having a layer of switchable material; a light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the light source.Type: GrantFiled: November 8, 2022Date of Patent: March 26, 2024Assignee: Solutia Canada Inc.Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin
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Publication number: 20230096611Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light sourceType: ApplicationFiled: November 8, 2022Publication date: March 30, 2023Applicant: SOLUTIA CANADA INC.Inventors: NEIL ROBIN BRANDA, JEREMY GRAHAM FINDEN, DUHANE LAM, JONATHAN ROSS SARGENT, CYNTHIA ELIZABETH SHIPPAM, DOUGLAS MALCOLM WIGGIN
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Patent number: 11586060Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light source.Type: GrantFiled: May 14, 2020Date of Patent: February 21, 2023Assignee: Solutia Canada Inc.Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin
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Patent number: 11079617Abstract: An optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color, and the second and third spectra combining to provide a faded state spectrum approximating a faded state target color. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: GrantFiled: July 25, 2019Date of Patent: August 3, 2021Assignee: Solatia Canada Inc.Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Publication number: 20210088814Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light sourceType: ApplicationFiled: May 14, 2020Publication date: March 25, 2021Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin
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Patent number: 10663771Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light sourceType: GrantFiled: April 18, 2019Date of Patent: May 26, 2020Assignee: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin
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Publication number: 20190346702Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light sourceType: ApplicationFiled: April 18, 2019Publication date: November 14, 2019Applicant: Switch Materials, Inc.Inventors: Neil Robin BRANDA, Jeremy Graham FINDEN, Duhane LAM, Jonathan Ross SARGENT, Cynthia Elizabeth SHIPPAM, Douglas Malcolm WIGGIN
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Publication number: 20190346699Abstract: An optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color, and the second and third spectra combining to provide a faded state spectrum approximating a faded state target color. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: ApplicationFiled: July 25, 2019Publication date: November 14, 2019Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Patent number: 10401654Abstract: A optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color; and the second and third spectra combining to provide a fades state spectrum approximating a faded state target color. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: GrantFiled: February 2, 2018Date of Patent: September 3, 2019Assignee: SWITCH MATERIALS INC.Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Patent number: 10310300Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light source.Type: GrantFiled: January 19, 2018Date of Patent: June 4, 2019Assignee: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin
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Publication number: 20180224677Abstract: A optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color; and the second and third spectra combining to provide a fades state spectrum approximating a faded state target colour. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: ApplicationFiled: February 2, 2018Publication date: August 9, 2018Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Publication number: 20180210240Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light sourceType: ApplicationFiled: January 19, 2018Publication date: July 26, 2018Inventors: Neil Robin BRANDA, Jeremy Graham FINDEN, Duhane LAM, Jonathan Ross SARGENT, Cynthia Elizabeth SHIPPAM, Douglas Malcolm WIGGIN
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Patent number: 9921421Abstract: A optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color; and the second and third spectra combining to provide a fades state spectrum approximating a faded state target color. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: GrantFiled: January 18, 2017Date of Patent: March 20, 2018Assignee: Switch Materials, Inc.Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Patent number: 9910301Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light source.Type: GrantFiled: February 22, 2013Date of Patent: March 6, 2018Assignee: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin
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Publication number: 20170192257Abstract: A optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color; and the second and third spectra combining to provide a fades state spectrum approximating a faded state target colour. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: ApplicationFiled: January 18, 2017Publication date: July 6, 2017Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Patent number: 9588358Abstract: An optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color, and the second and third spectra combining to provide a faded state spectrum approximating a faded state target color. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: GrantFiled: May 29, 2013Date of Patent: March 7, 2017Assignee: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggin
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Publication number: 20150109651Abstract: A optical filter comprising a variable transmittance layer having a first spectrum in a dark state, and a second spectrum in a faded state; and a color balancing layer having a third spectrum; each of the first, second and third spectra comprising a visible portion; the first and third spectra combining to provide a dark state spectrum approximating a dark state target color; and the second and third spectra combining to provide a fades state spectrum approximating a faded state target colour. The optical filter may further comprise a light attenuating layer. The optical filter may further comprise part of a laminated glass.Type: ApplicationFiled: May 29, 2013Publication date: April 23, 2015Applicant: Switch Materials Inc.Inventors: Neil Robin Branda, Zachary Bryce Erno, Jeremy Graham Finden, Duhane Lam, Charles Joseph Gongming Loo, Jonathan Ross Sargent, Matthew Paul Smit, Peter Alexander Von Hahn, Douglas Malcolm Wiggins
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Publication number: 20150036204Abstract: An apparatus comprising a switchable optical filter comprising a layer of switchable material, the switchable material comprising a photochromic/thermochromic, a photochromic/photochromic, or a photochromic/electrochromic compound; a first light source providing light of a wavelength that causes the switchable material to transition from a faded state to a dark state, or a dark state to a faded state; and a switch for controlling activation of the first light sourceType: ApplicationFiled: February 22, 2013Publication date: February 5, 2015Applicant: Switch Materials, Inc.Inventors: Neil Robin Branda, Jeremy Graham Finden, Duhane Lam, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin