Intermediate connector for stacked organic light emitting devices

D'Andrade, Brian

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Title: Intermediate connector for stacked organic light emitting devices

Abstract

A device is provided, having an anode, a cathode, and an intermediate connector disposed between the anode and the cathode. A first organic layer including an emissive sublayer is disposed between the anode and the intermediate connector, and a second including an emissive sublayer is disposed between the intermediate connector and the cathode. The intermediate connector includes a first metal having a work function lower than 4.0 eV and a second metal having a work function lower than 5.0 eV. The work function of the first metal is at least 0.5 eV less than the work function of the second metal. The first metal is in contact with a sublayer of the second organic layer that includes a material well adapted to receive holes from a low work function metal.

Inventors:: D'Andrade, Brian

Issue Date:: Tue Feb 12 00:00:00 EST 2013

Research Org.:: Universal Display Corporation (Ewing, NJ)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1083199

Patent Number(s):: 8372526

Application Number:: 12/174,286

Assignee:: Universal Display Corporation (Ewing, NJ)

Patent Classifications (CPCs):: C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

H - ELECTRICITY H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05B - ELECTRIC HEATING

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C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
C09K11/06 - containing organic luminescent materials
C09K2211/1022 - bridged by heteroatoms, e.g. N, P, Si or B
C09K2211/1029 - containing one nitrogen atom as the heteroatom
C09K2211/1044 - containing two nitrogen atoms as heteroatoms
C09K2211/1059 - containing three nitrogen atoms as heteroatoms
C09K2211/1092 - containing sulfur as the only heteroatom
C09K2211/185 - of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd

H - ELECTRICITY H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05B - ELECTRIC HEATING
H05B33/26 - characterised by the composition or arrangement of the conductive material used as an electrode

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DOE Contract Number:: FG02-06ER84582; FG02-05ER84263

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING

Citation Formats


                    D'Andrade, Brian. Intermediate connector for stacked organic light emitting devices.  United States: N. p., 2013. 
        Web.

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                    D'Andrade, Brian. Intermediate connector for stacked organic light emitting devices.  United States.

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                    D'Andrade, Brian. Tue .  
        "Intermediate connector for stacked organic light emitting devices".  United States.  https://www.osti.gov/servlets/purl/1083199.

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@article{osti_1083199,

  title        = {Intermediate connector for stacked organic light emitting devices},

  author       = {D'Andrade, Brian},

  abstractNote = {A device is provided, having an anode, a cathode, and an intermediate connector disposed between the anode and the cathode. A first organic layer including an emissive sublayer is disposed between the anode and the intermediate connector, and a second including an emissive sublayer is disposed between the intermediate connector and the cathode. The intermediate connector includes a first metal having a work function lower than 4.0 eV and a second metal having a work function lower than 5.0 eV. The work function of the first metal is at least 0.5 eV less than the work function of the second metal. The first metal is in contact with a sublayer of the second organic layer that includes a material well adapted to receive holes from a low work function metal.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Feb 12 00:00:00 EST 2013},

  month        = {Tue Feb 12 00:00:00 EST 2013}

}

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Title: Intermediate connector for stacked organic light emitting devices

Abstract

Citation Formats

Multicolor organic light emitting devices patent, January 1998

Multicolor organic light emitting devices patent, February 1998

Stacked organic light emitting devices patent, June 1999

Organic EL light emitting element with light emitting layers and intermediate conductive layer patent, August 2000

Saturated full color stacked organic light emitting devices patent, May 2001

Serially-connected organic light emitting diode stack having conductors sandwiching each light emitting layer patent, January 2002

Cascaded organic electroluminescent device having connecting units with N-type and P-type organic layers patent, August 2005

Cascaded organic electroluminescent devices patent, January 2006

Tandem OLEDs having low drive voltage patent, July 2006

Transparent contacts for organic devices patent, February 2007

Electroluminescent devices with low work function anode patent-application, June 2004

Cascaded organic electroluminescent devices with color filters patent-application, February 2005

Intermediate Layers Treated by CF4-Plasma for Stacked Organic Light-Emitting Devices patent-application, November 2006

Intermediate connector for a tandem OLED device patent-application, March 2007

Stacked OLEDs with a reflective conductive layer patent-application, May 2007

Highly power efficient organic light-emitting devices enabled by phosphorescent and p-i-n technologies conference, December 2006

Highly efficient white organic electroluminescent devices based on tandem architecture journal, December 2005

The mechanism and effective connecting architecture for tandem organic light-emitting devices conference, October 2005

Organic White Light Emitting Devices with an rgb Stacked Multilayer Structure journal, January 2003

White phosphorescent organic light emitting devices for display applications conference, May 2006

70.2: Low-Voltage White Tandem Structures for Fabricating RGBW AMOLED Displays journal, January 2006

High Efficiency Stacked Organic Light-Emitting Diodes Employing Li 2 O as a Connecting Layer journal, December 2006

High-efficiency stacked white organic light-emitting diodes journal, January 2008

23.3: Distinguished Paper: High-Efficiency Tandem Blue OLEDs journal, January 2006

Tandem Organic Light-Emitting Diode using Hexaazatriphenylene Hexacarbonitrile in the Intermediate Connector journal, January 2008

Highly efficient white OLEDs for lighting applications conference, October 2005

High-efficiency white organic-light-emitting diodes combining fluorescent and phosphorescent emitter systems conference, April 2006

Bright and efficient white stacked organic light-emitting diodes journal, August 2007

An effective intermediate Al/Au electrode for stacked color-tunable organic light emitting devices journal, March 2008

54.2: Tandem White OLEDs Combining Fluorescent and Phosphorescent Emission journal, January 2008

Highly efficient p-i-n white organic light emitting devices with tandem structure journal, December 2007

Effective intermediate layers for highly efficient stacked organic light-emitting devices journal, August 2005

Highly Efficient Organic Devices Based on Electrically Doped Transport Layers journal, April 2007

Multicolor organic light emitting devices
patent, January 1998

Multicolor organic light emitting devices
patent, February 1998

Stacked organic light emitting devices
patent, June 1999

Organic EL light emitting element with light emitting layers and intermediate conductive layer
patent, August 2000

Saturated full color stacked organic light emitting devices
patent, May 2001

Serially-connected organic light emitting diode stack having conductors sandwiching each light emitting layer
patent, January 2002

Cascaded organic electroluminescent device having connecting units with N-type and P-type organic layers
patent, August 2005

Cascaded organic electroluminescent devices
patent, January 2006

Tandem OLEDs having low drive voltage
patent, July 2006

Transparent contacts for organic devices
patent, February 2007

Electroluminescent devices with low work function anode
patent-application, June 2004

Cascaded organic electroluminescent devices with color filters
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Intermediate Layers Treated by CF4-Plasma for Stacked Organic Light-Emitting Devices
patent-application, November 2006

Intermediate connector for a tandem OLED device
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Stacked OLEDs with a reflective conductive layer
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Highly power efficient organic light-emitting devices enabled by phosphorescent and p-i-n technologies
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Highly efficient white organic electroluminescent devices based on tandem architecture
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The mechanism and effective connecting architecture for tandem organic light-emitting devices
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White phosphorescent organic light emitting devices for display applications
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70.2: Low-Voltage White Tandem Structures for Fabricating RGBW AMOLED Displays
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