Patents by Inventor Michele L. Ricks
Michele L. Ricks 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: 9620721Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer wherein the light-emitting layer comprises (a) a 2-arylanthracene compound and (b) a light-emitting second anthracene compound having amino substitution at a minimum of two positions, wherein at least one amine is substituted at the 2 position of the second anthracene compound.Type: GrantFiled: February 7, 2014Date of Patent: April 11, 2017Assignee: Global OLED Technology LLCInventors: Kevin P. Klubek, Liang-Sheng Liao, Viktor V. Jarikov, Denis Y. Kondakov, William J. Begley, Michele L. Ricks
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Patent number: 8795855Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer wherein the light-emitting layer comprises (a) a 2-arylanthracene compound and (b) a light-emitting second anthracene compound having amino substitution at a minimum of two positions, wherein at least one amine is substituted at the 2 position of the second anthracene compound.Type: GrantFiled: January 30, 2007Date of Patent: August 5, 2014Assignee: Global OLED Technology LLCInventors: Kevin P. Klubek, Liang-Sheng Liao, Viktor V. Jarikov, Denis Y. Kondakov, William J. Begley, Michele L. Ricks
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Publication number: 20140151676Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer wherein the light-emitting layer comprises (a) a 2-arylanthracene compound and (b) a light-emitting second anthracene compound having amino substitution at a minimum of two positions, wherein at least one amine is substituted at the 2 position of the second anthracene compound.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicant: Global OLED Technology LLCInventors: Kevin P. Klubek, Liang-Sheng Liao, Viktor V. Jarikov, Denis Y. Kondakov, William J. Begley, Michele L. Ricks
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Patent number: 8179035Abstract: A method for selecting two different light-emitting materials for use in an OLED device, each of which produces different color light, which combine to produce white light. Each light emitting material has its own point on a chromaticity diagram, and the light-emitting materials are selected such that, when a line is drawn between the first point and the second point, it passes through a desired white area defined on a chromaticity diagram.Type: GrantFiled: December 19, 2007Date of Patent: May 15, 2012Assignee: Global OLED Technology LLCInventors: Jeffrey P. Spindler, Tukaram K. Hatwar, Michele L. Ricks
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Patent number: 8174182Abstract: A method for selecting two different light-emitting materials for use in an OLED device, each of which produces different color light, which combine to produce white light. Each light emitting material has its own point on a chromaticity diagram, and the light-emitting materials are selected such that, when a line is drawn between the first point and the second point, it passes through a desired white area defined on a chromaticity diagram.Type: GrantFiled: November 17, 2004Date of Patent: May 8, 2012Assignee: Global OLED Technology LLCInventors: Jeffrey P. Spindler, Tukaram K. Hatwar, Michele L. Ricks
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Patent number: 8147989Abstract: The invention provides an OLED device including an anode, a cathode and a green light-emitting layer located therebetween, said light-emitting layer including an anthracene host, a bis-diarylamine 9,10-substituted anthracene and a stabilizer compound which is selected from a quinacridone or a biphenylstyrylamine. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.Type: GrantFiled: February 27, 2009Date of Patent: April 3, 2012Assignee: Global OLED Technology LLCInventors: Marina E. Kondakova, Kevin P. Klubek, Margaret J. Helber, Peter G. Bessey, J. Ramon Vargas, Michele L. Ricks
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Patent number: 8022624Abstract: An OLED display, comprising: a substrate; an OLED having two spaced-apart electrodes and organic layers disposed therebetween and the OLED being disposed over the substrate; first desiccant material disposed over at least a portion of one of the electrodes; a compliant protection layer having a Young's Modulus <4 GPa disposed over at least a portion of the first desiccant material; and an encapsulation container fixed to the substrate and disposed over the compliant protection layer.Type: GrantFiled: April 25, 2007Date of Patent: September 20, 2011Assignee: Global OLED Technology LLCInventors: Michele L. Ricks, Michael L. Boroson
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Patent number: 7977877Abstract: A flat panel OLED device including a transparent deformable substrate having first and second sides and defining a predetermined illumination region and a non-illumination region; a moisture-sensitive OLED disposed over the first side of the transparent substrate within the illumination region and means for applying electrical signals to the OLED which causes the OLED to produce light and heat; a protective layer disposed over the OLED; a flexible encapsulating foil disposed over the protective layer, but not attached thereto; and a rigid chassis structure operatively associated with the transparent deformable substrate for dissipating the heat and providing rigidity to the transparent deformable substrate.Type: GrantFiled: March 2, 2007Date of Patent: July 12, 2011Assignee: Global OLED Technology LLCInventors: Bradley C. DeCook, James Mazzarella, Roger G. Covington, Thomas W. Palone, Michael L. Boroson, Michele L. Ricks
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Patent number: 7973473Abstract: A flat panel OLED device including a transparent deformable substrate having first and second sides and defining a predetermined illumination region and a non-illumination region; a moisture-sensitive OLED disposed over the first side of the transparent substrate within the illumination region and means for applying electrical signals to the OLED which causes the OLED to produce light and heat; a protective layer disposed over the OLED; a flexible encapsulating foil disposed over the protective layer, but not attached thereto, and which dissipates the heat and sealingly connected to the substrate in the non-illumination region; and a rigid chassis structure operatively associated with the transparent deformable substrate for providing rigidity to the transparent deformable substrate.Type: GrantFiled: March 2, 2007Date of Patent: July 5, 2011Assignee: Global OLED Technology LLCInventors: Bradley C. DeCook, James Mazzarella, Roger G. Covington, Thomas W. Palone, Michael L. Boroson, Michele L. Ricks
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Patent number: 7812531Abstract: An OLED display, comprising: a substrate; an OLED having two spaced-apart electrodes and organic layers disposed there between, and the OLED disposed over the substrate; an encapsulation container fixed by perimeter seal to the substrate and disposed over the OLED to provide an enclosure; and the substrate or the encapsulation container, or both, including compliant regions that flex, compress, or expand under stress and reduce stress transfer between the substrate and the encapsulation container through the perimeter seal.Type: GrantFiled: July 25, 2007Date of Patent: October 12, 2010Assignee: Global OLED Technology LLCInventors: Michael L. Boroson, Michele L. Ricks, Thomas W. Palone
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Publication number: 20100219748Abstract: The invention provides an OLED device including an anode, a cathode and a green light-emitting layer located therebetween, said light-emitting layer including an anthracene host, a bis-diarylamine 9,10-substituted anthracene and a stabilizer compound which is selected from a quinacridone or a biphenylstyrylamine. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.Type: ApplicationFiled: February 27, 2009Publication date: September 2, 2010Inventors: Marina E. Kondakova, Kevin P. Klubek, Margaret J. Helber, Peter G. Bessey, J. R. Vargas, Michele L. Ricks
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Patent number: 7629741Abstract: An OLED includes an anode, a light-emitting layer disposed over the anode, and a first electron-injecting layer disposed over the light-emitting layer, wherein the first electron-injecting layer includes at least one organic host material having a reduction potential less than ?1.0 V vs. a Saturated Calomel Electrode and at least one dopant material capable of reducing the organic host material. The OLED also includes a second electron-injecting layer disposed in contact with the first electron-injecting layer, wherein the second electron-injecting layer includes at least one organic material having a reduction potential greater than ?1.0 V vs. a Saturated Calomel Electrode, and a cathode disposed over the second electron-injecting layer.Type: GrantFiled: May 6, 2005Date of Patent: December 8, 2009Assignee: Eastman Kodak CompanyInventors: Liang-Sheng Liao, Wojciech K. Slusarek, Michele L. Ricks, Ralph H. Young, Dustin L. Comfort
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Patent number: 7569288Abstract: An OLED device comprises an anode, a light emitting layer, a first layer, a second layer contiguous to the first layer, and a cathode, in that order. The first layer includes a first complex comprising gallium and the second layer includes a second complex also comprising gallium and wherein the second complex has a more negative LUMO than the first complex. Such materials can provide an improvement in one or more of luminance, drive voltage, and stability.Type: GrantFiled: March 1, 2006Date of Patent: August 4, 2009Assignee: Eastman Kodak CompanyInventors: Tommie L. Royster, Jr., Michele L. Ricks
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Publication number: 20090162644Abstract: An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and (i) a first layer, located between the cathode and the light emitting layer, containing (a) more than 50 vol % of an organic salt or complex of an alkali or alkaline earth metal and (b) a carbocyclic fused ring aromatic compound, that is less than 15 nm thick; and (ii) a second layer, located between the first layer and the cathode, containing a codeposited phenanthroline derivative, metal oxinoid complex, and alkali or alkaline earth metal.Type: ApplicationFiled: December 19, 2007Publication date: June 25, 2009Inventors: Michele L. Ricks, Tukaram K. Hatwar, William J. Begley, Jeffrey P. Spindler
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Publication number: 20090162612Abstract: An organic light emitting diode (OLED) device having a cathode, a light emitting layer and an anode, in that order, and having located between the cathode and the light emitting layer, (a) a first electron transport layer comprising (i) more than 50 vol % of a salt or complex of an alkali or alkaline earth metal and (ii) a carbocyclic fused ring aromatic compound; and (b) a second electron transport layer, different from the first electron transport layer, in contact with the first electron transport layer on the cathode side and comprising a compound with a 7,10-diaryl substituted fluoranthene nucleus having no aromatic rings annulated to the fluoranthene nucleus. The device provides reduced drive voltage and good luminance with improved T90 lifetime.Type: ApplicationFiled: December 19, 2007Publication date: June 25, 2009Inventors: Tukaram K. Hatwar, William J. Begley, Jeffrey P. Spindler, Michele L. Ricks
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Patent number: 7544425Abstract: An organic electroluminescent device comprises a cathode, an anode, and has therebetween a light-emitting layer comprising an emissive component represented by formula (I): wherein: Ar1, each Ar2, and Ar3 through Ar7 are independently selected aryl or heteroaryl groups, which may contain additional fused rings and provided that two aryl or heteroaryl rings may be joined; n is 1, 2 or 3. The device exhibits good luminous yield with desirable color coordinates, particularly in the blue or blue-green region.Type: GrantFiled: April 26, 2005Date of Patent: June 9, 2009Assignee: Eastman Kodak CompanyInventors: Margaret J. Helber, Michele L. Ricks, Peter G. Bessey, Tukaram K. Hatwar, Jeffrey P. Spindler, Zbyslaw R. Owczarczyk
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Patent number: 7494722Abstract: A tandem OLED includes an anode and a cathode. The OLED also includes at least two electroluminescent units disposed between the anode and the cathode, wherein each of the electroluminescent units includes at least one hole-transporting layer and one organic light-emitting layer. An intermediate connector is disposed between adjacent electroluminescent units, wherein the intermediate connector includes an n-doped organic layer and an electron-accepting layer, the electron-accepting layer being disposed closer to the cathode than the n-doped organic layer, and wherein the electron-accepting layer includes one or more organic materials, each having a reduction potential greater than ?0.5 V vs. a Saturated Calomel Electrode, and wherein the one or more organic materials constitute more than 50% by volume of the electron-accepting layer.Type: GrantFiled: February 23, 2005Date of Patent: February 24, 2009Assignee: Eastman Kodak CompanyInventors: Liang-Sheng Liao, Wojciech K. Slusarek, Tukaram K. Hatwar, Michele L. Ricks, Dustin L. Comfort
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Publication number: 20090026945Abstract: An OLED display, comprising: a substrate; an OLED having two spaced-apart electrodes and organic layers disposed there between, and the OLED disposed over the substrate; an encapsulation container fixed by perimeter seal to the substrate and disposed over the OLED to provide an enclosure; and the substrate or the encapsulation container, or both, including compliant regions that flex, compress, or expand under stress and reduce stress transfer between the substrate and the encapsulation container through the perimeter seal.Type: ApplicationFiled: July 25, 2007Publication date: January 29, 2009Inventors: Michael L. Boroson, Michele L. Ricks, Thomas W. Palone
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Publication number: 20080265753Abstract: An OLED display, comprising: a substrate; an OLED having two spaced-apart electrodes and organic layers disposed therebetween and the OLED being disposed over the substrate; first desiccant material disposed over at least a portion of one of the electrodes; a compliant protection layer having a Young's Modulus <4 GPa disposed over at least a portion of the first desiccant material; and an encapsulation container fixed to the substrate and disposed over the compliant protection layer.Type: ApplicationFiled: April 25, 2007Publication date: October 30, 2008Inventors: Michele L. Ricks, Michael L. Boroson
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Publication number: 20080211398Abstract: A flat panel OLED device including a transparent deformable substrate having first and second sides and defining a predetermined illumination region and a non-illumination region; a moisture-sensitive OLED disposed over the first side of the transparent substrate within the illumination region and means for applying electrical signals to the OLED which causes the OLED to produce light and heat; a protective layer disposed over the OLED; a flexible encapsulating foil disposed over the protective layer, but not attached thereto, and which dissipates the heat and sealingly connected to the substrate in the non-illumination region; and a rigid chassis structure operatively associated with the transparent deformable substrate for providing rigidity to the transparent deformable substrate.Type: ApplicationFiled: March 2, 2007Publication date: September 4, 2008Inventors: Bradley C. DeCook, James Mazzarella, Roger G. Covington, Thomas W. Palone, Michael L. Boroson, Michele L. Ricks