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Ho, 2003 - Google Patents

Dramatically improved lifetime operation and luminous efficiency for flexible organic light-emitting devices by oxygen plasma and nitrogen treatments

Ho, 2003

Document ID
15685531159377042283
Author
Ho J
Publication year
Publication venue
Electronics Letters

External Links

Snippet

Experimental results show that the turn-on and driving voltages are reduced from 7.7 to 0.3 V and 8 to 5 V, respectively, with both O2 plasma and N2 treatments, thus extending the developed organic light-emitting device (OLED) lifetime. The current efficiency (γ) and the …
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Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/50—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED];
    • H01L51/52—Details of devices
    • H01L51/5203—Electrodes
    • H01L51/5206—Anodes, i.e. with high work-function material
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    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/50—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED];
    • H01L51/5088—Carrier injection layer
    • H01L51/5092—Electron injection layer
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    • H01—BASIC ELECTRIC ELEMENTS
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    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/0032—Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
    • H01L51/0077—Coordination compounds, e.g. porphyrin
    • H01L51/0079—Metal complexes comprising a IIIB-metal (B, Al, Ga, In or TI), e.g. Tris (8-hydroxyquinoline) gallium (Gaq3)
    • H01L51/0081—Metal complexes comprising a IIIB-metal (B, Al, Ga, In or TI), e.g. Tris (8-hydroxyquinoline) gallium (Gaq3) comprising aluminium, e.g. Alq3
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    • H01—BASIC ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/50—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED];
    • H01L51/52—Details of devices
    • H01L51/5237—Passivation; Containers; Encapsulation, e.g. against humidity
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    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/50—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED];
    • H01L51/52—Details of devices
    • H01L51/5262—Arrangements for extracting light from the device
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    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/50—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED];
    • H01L51/56—Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
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    • H01L51/50—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED];
    • H01L51/5012—Electroluminescent [EL] layer
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    • H01L2251/00—Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
    • H01L2251/50—Organic light emitting devices
    • H01L2251/53—Structure
    • H01L2251/5361—OLED lamp
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    • H01L2251/00—Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
    • H01L2251/30—Materials
    • H01L2251/301—Inorganic materials
    • H01L2251/303—Oxides, e.g. metal oxides
    • H01L2251/305—Transparent conductive oxides [TCO]
    • H01L2251/308—Transparent conductive oxides [TCO] composed of indium oxides, e.g. ITO
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    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/0032—Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
    • H01L51/005—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
    • H01L51/0059—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
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    • H01L2251/00—Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
    • H01L2251/50—Organic light emitting devices
    • H01L2251/56—Processes specially adapted for the manufacture or treatment of OLED
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    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/28—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3241—Matrix-type displays
    • H01L27/3244—Active matrix displays
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    • H01L27/28—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3204—OLEDs electrically connected in series
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    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L51/00—Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
    • H01L51/0001—Processes specially adapted for the manufacture or treatment of devices or of parts thereof

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