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U.S. Department of Energy
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OLED devices with internal outcoupling

Patent ·
OSTI ID:1171648

Optoelectronic devices that have enhanced internal outcoupling are disclosed. The devices include a substrate, an anode, a cathode, an electroluminescent layer, and a hole injecting layer. The hole injecting layer includes inorganic nanoparticles that have a bimodal particle size distribution and which are dispersed in an organic matrix.

Research Organization:
General Electric Company, Niskayuna, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0003250
Assignee:
General Electric Company (Niskayuna, NY)
Patent Number(s):
8,969,856
Application Number:
13/599,511
OSTI ID:
1171648
Country of Publication:
United States
Language:
English

References (7)

Fourfold power efficiency improvement in organic light-emitting devices using an embedded nanocomposite scattering layer journal June 2012
Bragg scattering from periodically microstructured light emitting diodes journal November 2000
Exploiting optical properties of P3HT:PCBM films for organic solar cells with semitransparent anode journal October 2010
Determination of the Size, Concentration, and Refractive Index of Silica Nanoparticles from Turbidity Spectra journal August 2008
Methods for Increasing the Efficiency of Organic Light Emitting Diodes conference January 2010
A high-extraction-efficiency nanopatterned organic light-emitting diode journal May 2003
Improving organic light-emitting diode performance with patterned structures journal September 2011

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