Patents by Inventor Donald R. Diehl

Donald R. Diehl 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: 20190146235
    Abstract: A stereo viewing device comprises a first lens comprising a first lens filter, and a second lens comprising a second lens filter. The first lens filter comprises a first set of light absorbing dyes that define a first set of rejection bands. The first set of light absorbing dyes comprises at least a first polymethine dye. The second lens filter comprises a second set of light absorbing dyes that define a second set of rejection bands different from the first set of rejection bands. The second set of light absorbing dyes comprises at least a second polymethine dye.
    Type: Application
    Filed: May 26, 2017
    Publication date: May 16, 2019
    Applicant: IMAX THEATRES INTERNATIONAL LIMITED
    Inventors: Andrew F. Kurtz, Donald R. Diehl
  • Publication number: 20180341119
    Abstract: A stereo viewing device comprises a first lens comprising a first lens filter, and a second lens comprising a second lens filter. The first lens filter comprises a first set of light absorbing dyes that define a first set of rejection bands. The first set of light absorbing dyes comprises at least a first polymethine dye. The second lens filter comprises a second set of light absorbing dyes that define a second set of rejection bands different from the first set of rejection bands. The second set of light absorbing dyes comprises at least a second polymethine dye.
    Type: Application
    Filed: May 26, 2017
    Publication date: November 29, 2018
    Inventors: Andrew F. Kurtz, Donald R. Diehl
  • Patent number: 9696472
    Abstract: A stereo viewing device comprises a first lens comprising a first lens filter, and a second lens comprising a second lens filter. The first lens filter comprises a first set of light absorbing dyes that define a first set of rejection bands. The first set of light absorbing dyes comprises at least a first polymethine dye. The second lens filter comprises a second set of light absorbing dyes that define a second set of rejection bands different from the first set of rejection bands. The second set of light absorbing dyes comprises at least a second polymethine dye.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: July 4, 2017
    Assignee: IMAX THEATRES INTERNATIONAL LIMITED
    Inventors: Andrew F. Kurtz, Donald R. Diehl
  • Publication number: 20160170220
    Abstract: A stereo viewing device comprises a first lens comprising a first lens filter, and a second lens comprising a second lens filter. The first lens filter comprises a first set of light absorbing dyes that define a first set of rejection bands. The first set of light absorbing dyes comprises at least a first polymethine dye. The second lens filter comprises a second set of light absorbing dyes that define a second set of rejection bands different from the first set of rejection bands. The second set of light absorbing dyes comprises at least a second polymethine dye.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 16, 2016
    Inventors: Andrew F. Kurtz, Donald R. Diehl
  • Patent number: 9005478
    Abstract: A liquid crystal composition comprising a chiral dopant compound represented by the following structure (Structure 1): wherein: R1 and R2 are independently hydrogen, —(C?O)R9, —(C?O)R10, alkyl, aryl, alkaryl, alkenyl, cycloalkyl, alkoxyaryl, or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; R3 is hydrogen, halogen, cyano, alkoxy, NHCOR9, NHSO2R9, COOR9, OCOR9, aryl, alkyl, alkenyl, cycloalkyl, or heterocyclic all either substituted or unsubstituted; R4 is hydrogen, alkyl, aryl, alkenyl, cycloalkyl, or heterocyclic all either substituted or unsubstituted; R5, R6, R7, and R8 are independently hydrogen, halogen, cyano, alkoxy, NHCOR9, NHSO2R9, COOR9, OCOR9, aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl or heterocyclic all either substituted or unsubstituted, or combine with each other, or R5 can combine with R4 to form a carbocyclic or heterocyclic ring; R9 and R10 are independently alkyl, alkoxy, aryl, naphthyl, styryl, alkenyl, cycloalkyl, alko
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: April 14, 2015
    Assignees: Kent Displays Incorporated, Kent State University
    Inventors: Donald R. Diehl, Erica N. Montbach
  • Publication number: 20140117284
    Abstract: A liquid crystal composition comprising a chiral dopant compound represented by the following structure (Structure 1): wherein: R1 and R2 are independently hydrogen, —(C?O)R9, —(C?O)R10, alkyl, aryl, alkaryl, alkenyl, cycloalkyl, alkoxyaryl, or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; R3 is hydrogen, halogen, cyano, alkoxy, NHCOR9, NHSO2R9, COOR9, OCOR9, aryl, alkyl, alkenyl, cycloalkyl, or heterocyclic all either substituted or unsubstituted; R4 is hydrogen, alkyl, aryl, alkenyl, cycloalkyl, or heterocyclic all either substituted or unsubstituted; R5, R6, R7, and R8 are independently hydrogen, halogen, cyano, alkoxy, NHCOR9, NHSO2R9, COOR9, OCOR9, aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl or heterocyclic all either substituted or unsubstituted, or combine with each other, or R5 can combine with R4 to form a carbocyclic or heterocyclic ring; R9 and R10 are independently alkyl, alkoxy, aryl, naphthyl, styryl, alkenyl, cycloalkyl, alko
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicants: KENT STATE UNIVERSITY, KENT DISPLAYS INCORPORATED
    Inventors: Donald R. Diehl, Erica N. Montbach
  • Patent number: 8709281
    Abstract: A liquid crystal composition comprising a chiral dopant compound represented by the following structure (Structure 1): wherein: R1 and R2 are independently hydrogen, —(C?O)R9, —(C?O)R10, alkyl, aryl, alkaryl, alkenyl, cycloalkyl, alkoxyaryl, or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; and R3-R9 are as described in the disclosure. Also featured are liquid crystal compositions comprising a chiral dopant compound represented by any of Structure 2-4 as described in the disclosure.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: April 29, 2014
    Assignee: Kent State University
    Inventors: Donald R. Diehl, Erica N. Montbach
  • Patent number: 8691111
    Abstract: A liquid crystal composition comprising a chiral dopant compound represented by the following formula: wherein: R1, R2 are independently aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; R3 and R4 are independently hydrogen, halogen, cyano, alkoxy, NHCOR7, NHSO2R7, COOR7, OCOR7, aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine with either R1 or R2 to form a carbocylic or heterocyclic ring; R5 and R6 are independently hydrogen, CH2, CH, alkyl or aryl either substituted or unsubstituted, COOR7, or combine with L to form a carbocyclic or heterocyclic ring; R7 is aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl or heterocyclic all either substituted or unsubstituted; L is the non-metallic elements required to form a carbocyclic or heterocyclic ring, or a single bond or a double bond; m is 1-3; n is 0-12.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: April 8, 2014
    Assignee: Kent Displays Inc.
    Inventors: Donald R. Diehl, Thomas Welter, Erica N. Montbach, J. William Doane, Nithya Venkataraman
  • Publication number: 20140054498
    Abstract: A liquid crystal composition comprising a chiral dopant compound represented by the following structure (Structure 1): wherein: R1 and R2 are independently hydrogen, —(C?O)R9, —(C?O)R10, alkyl, aryl, alkaryl, alkenyl, cycloalkyl, alkoxyaryl, or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; and R3-R9 are as described in the disclosure. Also featured are liquid crystal compositions comprising a chiral dopant compound represented by any of Structure 2-4 as described in the disclosure.
    Type: Application
    Filed: August 24, 2012
    Publication date: February 27, 2014
    Applicants: Kent State University, Kent Displays Incorporated
    Inventors: Donald R. Diehl, Erica N. Montbach
  • Patent number: 8462298
    Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: June 11, 2013
    Assignee: Global OLED Technology LLC
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans, Ronald S. Cok
  • Publication number: 20120273725
    Abstract: A liquid crystal composition comprising a chiral dopant compound represented by the following formula: wherein: R1, R2 are independently aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; R3 and R4 are independently hydrogen, halogen, cyano, alkoxy, NHCOR7, NHSO2R7, COOR7, OCOR7, aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine with either R1 or R2 to form a carbocylic or heterocyclic ring; R5 and R6 are independently hydrogen, CH2, CH, alkyl or aryl either substituted or unsubstituted, COOR7, or combine with L to form a carbocyclic or heterocyclic ring; R7 is aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl or heterocyclic all either substituted or unsubstituted; L is the non-metallic elements required to form a carbocyclic or heterocyclic ring, or a single bond or a double bond; m is 1-3; n is 0-12.
    Type: Application
    Filed: April 26, 2012
    Publication date: November 1, 2012
    Applicants: Kent State University, Kent Displays Incorporated
    Inventors: Donald R. Diehl, Thomas Welter, Erica N. Montbach, J. William Doane, Nithya Venkataraman
  • Patent number: 8277697
    Abstract: A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 2, 2012
    Assignee: Global Oled Technology LLC
    Inventors: Tommie L. Royster, Jr., Paula J. Alessi, Donald R. Diehl
  • Patent number: 7999451
    Abstract: A blue color filter having a blue filter layer comprising a first pigment having a maximum absorption at a wavelength within the range of from 550 to 650 nm, and a second pigment having a maximum absorption at a shorter wavelength than the first pigment within the range of from 500 to 600 nm, wherein the blue filter layer has chromaticity coordinates (x, y) in the 1931 CIE XYZ calorimetric system, calculated using CIE Standard Illuminant D65, that satisfy the expressions 0.134?x?0.15 and 0.03?y?0.06.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: August 16, 2011
    Assignee: Global OLED Technology LLC
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans, Ronald S. Cok
  • Publication number: 20110183066
    Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.
    Type: Application
    Filed: April 1, 2011
    Publication date: July 28, 2011
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans, Ronald S. Cok
  • Patent number: 7973902
    Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: July 5, 2011
    Assignee: Global OLED Technology LLC
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans, Ronald S. Cok
  • Patent number: 7951450
    Abstract: A red color filter having a red filter layer comprising a pigment having a maximum absorption at a wavelength within the range of from 450 to 575 nm, wherein the red filter layer has chromaticity coordinates (x, y) in the 1931 CIE XYZ calorimetric system, calculated using CIE Standard illuminant D65, that satisfy the expressions 0.665?x?0.68 and 0.30?y?0.34.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: May 31, 2011
    Assignee: Global OLED Technology LLC
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans
  • Publication number: 20110052801
    Abstract: A green color filter having a green filter layer comprising a bridged aluminum phthalocyanine pigment and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm.
    Type: Application
    Filed: October 22, 2010
    Publication date: March 3, 2011
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans, Ronald S. Cok
  • Patent number: 7837780
    Abstract: A green color filter having a green filter layer comprising a bridged aluminum phthalocyanine pigment and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: November 23, 2010
    Assignee: Global OLED Technology LLC
    Inventors: Margaret J. Helber, Paula J. Alessi, Mitchell S. Burberry, Donald R. Diehl, Mary C. Brick, Steven Evans, Ronald S. Cok
  • Patent number: 7781373
    Abstract: The present invention relates to a cyan dye donor element for thermal transfer imaging comprising a support having thereon a dye layer comprising a mixture of at least two cyan dyes dispersed in a polymeric binder, wherein at least one of the at least two cyan dyes is a light stabilizing dye represented by Formula I and a thermal image recording method utilizing the same cyan dye donor element. The present invention also relates to a cyan inkjet dye comprising a light stabilizing cyan dye represented by Formula I.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: August 24, 2010
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Shari L. Eiff, Christine J. Landry-Coltrain, Gary M. Russo
  • Publication number: 20100102283
    Abstract: A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 29, 2010
    Inventors: Tommie L. Royster, JR., Paula J. Alessi, Donald R. Diehl