Patents by Inventor Stephen Ross Forrest
Stephen Ross Forrest 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: 6365270Abstract: A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure.Type: GrantFiled: December 9, 1999Date of Patent: April 2, 2002Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Mark Edward Thompson, Paul Edward Burrows, Linda Susan Sapochak, Dennis Matthew McCarty
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Patent number: 6358631Abstract: A light emitting device (LED) structure and devices containing the same in which the LED structure contains a plurality of at least a first and a second light emitting organic device (LED) stacked one upon the other, to form a layered structure, with each LED separated one from the other by a transparent conductive layer to enable each device to receive a separate bias potential to operate to emit light through the stack, at least one of said LED's comprising an emission layer containing an emitting compound, optionally in a matrix of at least one host compound capable of carrying electrons to the emitting compound.Type: GrantFiled: August 6, 1996Date of Patent: March 19, 2002Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Mark Edward Thompson, Paul Edward Burrows, Dennis Matthew McCarty, Linda Susan Sapochak, Jon Andrew Cronin
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Publication number: 20010014391Abstract: A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure.Type: ApplicationFiled: December 9, 1999Publication date: August 16, 2001Inventors: STEPHEN ROSS FORREST, MARK EDWARD THOMPSON, PAUL EDWARD BURROWS, LINDA SUSAN SAPOCHAK, DENNIS MATTHEW MCCARTY
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Patent number: 6030700Abstract: A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure.Type: GrantFiled: November 7, 1997Date of Patent: February 29, 2000Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Mark Edward Thompson, Paul Edward Burrows, Linda Susan Sapochak, Dennis Matthew McCarty
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Patent number: 6005266Abstract: A low leakage current monolithic InGaAs InP discrete device is provided for a focal plane array for near-infrared imaging. The array consists of a plurality of InGaAs p-i-n diodes for photodetectors, with each being integrated on a common substrate with an Inp junction field effect transistor (JFET) as a switching element for each pixel. In order to minimize the drain and gate leakage to achieve high-detection sensitivity, a p-encapsulation of an n-drained of each JFET is employed.Type: GrantFiled: March 13, 1997Date of Patent: December 21, 1999Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Marshall J. Cohen, Michael J. Lange, Dong-Su Kim
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Patent number: 5757026Abstract: A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure.Type: GrantFiled: April 15, 1996Date of Patent: May 26, 1998Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Mark Edward Thompson, Paul Edward Burrows, Linda Susan Sapochak, Dennis Matthew McCarty
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Patent number: 5721160Abstract: A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure.Type: GrantFiled: April 15, 1996Date of Patent: February 24, 1998Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Mark Edward Thompson, Paul Edward Burrows, Linda Susan Sapochak, Dennis Matthew McCarty
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Patent number: 5707745Abstract: A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure.Type: GrantFiled: December 13, 1994Date of Patent: January 13, 1998Assignee: The Trustees of Princeton UniversityInventors: Stephen Ross Forrest, Mark Edward Thompson, Paul Edward Burrows, Linda Susan Sapochak, Dennis Matthew McCarty