Sub-electrode microlens array for organic light emitting devices

Forrest, Stephen R.; Qu, Yue

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Title: Sub-electrode microlens array for organic light emitting devices

Abstract

Substrates are disclosed that include an embedded or partially-embedded microlens array. Devices are disclosed that include an OLED disposed over a substrate having an embedded or partially embedded micro lens array. Devices as disclosed herein redirect up to 100% of the light that otherwise would be confined in organic and electrode layers toward the substrate and thus provide improved light extraction and device efficiency.

Inventors:: Forrest, Stephen R.; Qu, Yue

Issue Date:: 2022-06-14

Research Org.:: Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1893044

Patent Number(s):: 11362311

Application Number:: 16/193,105

Assignee:: The Regents of the University of Michigan (Ann Arbor, MI)

Patent Classifications (CPCs):: G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

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G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B3/0056 - {arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
G02B3/0062 - {Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between}

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DOE Contract Number:: EE0007626

Resource Type:: Patent

Resource Relation:: Patent File Date: 11/16/2018

Country of Publication:: United States

Language:: English

Citation Formats


                    Forrest, Stephen R., and Qu, Yue. Sub-electrode microlens array for organic light emitting devices.  United States: N. p., 2022. 
        Web.

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                    Forrest, Stephen R., & Qu, Yue. Sub-electrode microlens array for organic light emitting devices.  United States.

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                    Forrest, Stephen R., and Qu, Yue. Tue .  
        "Sub-electrode microlens array for organic light emitting devices".  United States.  https://www.osti.gov/servlets/purl/1893044.

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@article{osti_1893044,

  title        = {Sub-electrode microlens array for organic light emitting devices},

  author       = {Forrest, Stephen R. and Qu, Yue},

  abstractNote = {Substrates are disclosed that include an embedded or partially-embedded microlens array. Devices are disclosed that include an OLED disposed over a substrate having an embedded or partially embedded micro lens array. Devices as disclosed herein redirect up to 100% of the light that otherwise would be confined in organic and electrode layers toward the substrate and thus provide improved light extraction and device efficiency.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {6}

}

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Title: Sub-electrode microlens array for organic light emitting devices

Abstract

Citation Formats

Complexes with tridentate ligands patent, October 2007

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Micro-Lens Array Substrate and Method for Manufacturing Thereof patent-application, August 2009

Highly efficient phosphorescent emission from organic electroluminescent devices journal, September 1998

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Display Having Embedded Microlens Array patent-application, April 2012

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Transparent contacts for organic devices patent, December 1997

Displays having mesa pixel configuration patent, July 2000

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Very Low Voltage, High Efficiency Phosphorescent OLED in a p-i-n Structure patent-application, December 2003

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Electroluminescent device with modified thin film luminescent zone patent, September 1988

Method for patterning organic thin film devices using a die patent, October 2002

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Method for patterning devices patent, September 2001

Electroluminescent devices patent, September 1993

Complexes with tridentate ligands
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Combined internal and external extraction layers for enhanced light outcoupling for organic light emitting device
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OLEDs doped with phosphorescent compounds
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Low pressure vapor phase deposition of organic thin films
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Process and apparatus for organic vapor jet deposition
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Fabrication of organic semiconductor devices using ink jet printing
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Hybrid layers for use in coatings on electronic devices or other articles
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Highly efficient phosphorescent emission from organic electroluminescent devices
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Very high-efficiency green organic light-emitting devices based on electrophosphorescence
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Display Having Embedded Microlens Array
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Microlens for projection lithography and method of preparation thereof
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Structure for high efficiency electroluminescent device
patent, August 2000

Transparent contacts for organic devices
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Organic Electroluminescent Materials And Devices
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High efficiency organic light emitting devices with light directing structures
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Very Low Voltage, High Efficiency Phosphorescent OLED in a p-i-n Structure
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Vacuum deposited, non-polymeric flexible organic light emitting devices
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Soft lithography microlens fabrication and array for enhanced light extraction from organic light emitting diodes (OLEDs)
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Device For Homogenizing Radiation By Means Of Irregular Microlens Arrays
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