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Andrew D Arnold, Ronald S Cok: OLED display with aging compensation. Eastman Kodak Company, Andrew J Anderson, February 7, 2006: US06995519 (183 worldwide citation)

An organic light emitting diode (OLED) display includes an array of OLEDs, each OLED having two terminals; a voltage sensing circuit for each OLED including a transistor in each circuit connected to one of the terminals of a corresponding OLED for sensing the voltage across the OLED to produce feedb ...


2
Ronald S Cok, Thomas Niertit, Andrew D Arnold: OLED display with aging compensation. Eastman Kodak Company, David A Novais, Andrew J Anderson, Stephen H Shaw, January 22, 2008: US07321348 (171 worldwide citation)

An organic light-emitting diode (OLED) display having addressable pixels on a substrate, the pixels having performance attributes, and a control circuit for controlling the pixels of the display device, includes one or more OLED pixels; an OLED reference pixel located on a substrate and connected to ...


3
Ronald S Cok, Andrew D Arnold, Dustin Winters: OLED display with auxiliary electrode. Eastman Kodak Company, Thomas H Close, November 2, 2004: US06812637 (100 worldwide citation)

A top emitting OLED display includes a substrate; a patterned electrode formed above the substrate, defining a plurality of light emitting elements having gaps between the light emitting elements; a layer of OLED material disposed above the patterned electrode; a continuous transparent electrode dis ...


4
Ronald S Cok, Andrew D Arnold, Michael E Miller: Color OLED display having repeated patterns of colored light emitting elements. Eastman Kodak Company, Andrew J Anderson, Thomas H Close, March 15, 2005: US06867549 (99 worldwide citation)

An OLED display device for displaying a color image includes an array of different colored independently controllable light emitting elements arranged in repeated patterns, a number of light emitting elements of at least one color in each pattern being different than a number of light emitting eleme ...


5
Ronald S Cok, Andrew D Arnold, Dustin Winters: Color OLED display with improved power efficiency. Eastman Kodak Company, Andrew J Anderson, Thomas H Close, July 19, 2005: US06919681 (91 worldwide citation)

A color OLED display includes an array of light emitting OLED pixels, each pixel having three or more gamut elements for emitting different colors of light specifying a gamut and at least one additional element for emitting a color of light within the gamut and wherein the power efficiency of the ad ...


6
Andrew D Arnold, Ronald S Cok: OLED display with photosensor. Eastman Kodak Company, Andrew J Anderson, Thomas H Close, August 23, 2005: US06933532 (64 worldwide citation)

An OLED display including: a transparent electrode; a reflective electrode having a transparent window; a light emissive layer disposed between the transparent electrode and the reflective electrode; and a photosensor located under the transparent window of the reflective electrode to sense light pr ...


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Dustin Winters, Yuan Sheng Tyan, Steven A Van Slyke, Ronald S Cok, Andrew D Arnold: OLED device having microcavity gamut subpixels and a within gamut subpixel. Eastman Kodak Company, Raymond L Owens, April 18, 2006: US07030553 (62 worldwide citation)

An OLED device including an array of light emitting pixels, each pixel including subpixels having organic layers including at least one emissive layer that produces light and spaced electrodes, and wherein there are at least three gamut subpixels that produce colors which define a color gamut and at ...


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Ronald S Cok, Andrew D Arnold: OLED display with aging compensation. Eastman Kodak Company, Andrew J Anderson, Thomas H Close, January 9, 2007: US07161566 (62 worldwide citation)

An OLED display includes a plurality of light emitting elements divided into two or more groups, the light emitting elements having an output that changes with time or use; a current measuring device for sensing the total current used by the display to produce a current signal; and a controller for ...


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Ronald S Cok, Andrew D Arnold, Mitchell S Burberry: Top-emitting OLED device with light-scattering layer and color-conversion. Global OLED Technology, Morgan Lewis & Bockius, September 7, 2010: US07791271 (59 worldwide citation)

A top-emitting OLED device, comprising: one or more OLEDs formed on a substrate; a light-scattering layer formed over the one or more OLEDs; a transparent cover; one or more color filters formed on the transparent cover; a color-conversion material layer formed over the color filters, or formed over ...


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Michael E Miller, Ronald S Cok, Andrew D Arnold, Michael J Murdoch: Color OLED display system having improved performance. Eastman Kodak Company, Andrew J Anderson, July 8, 2008: US07397485 (47 worldwide citation)

An OLED display system includes a) an OLED display including an array of light emitting pixels, each pixel having a plurality of OLEDs for emitting different colors of light specifying a gamut wherein one of the OLEDs has a power efficiency or lifetime different from the power efficiency or lifetime ...