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Qiu et al., 2004 - Google Patents

Efficient blue-to-violet organic light-emitting diodes

Qiu et al., 2004

Document ID
16469103502301688221
Author
Qiu C
Chen H
Wong M
Kwok H
Publication year
Publication venue
Synthetic metals

External Links

Snippet

Organic light-emitting diodes emitting in the range of 400nm (violet) to 460nm (blue) are reported. The basic device structure consists of indium–tin oxide/N, N′-diphenyl-N, N′-bis- (3-methylphenyl)-1, 1′-biphenyl-4, 4′-diamine (TPD)/2, 9-dimethyl-4, 7-diphenyl-1, 10 …
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    • 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
    • H01L51/0032—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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    • 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
    • H01L51/0062—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene aromatic compounds comprising a hetero atom, e.g.: N,P,S
    • H01L51/0071—Polycyclic condensed heteroaromatic hydrocarbons
    • H01L51/0072—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ringsystem, e.g. phenanthroline, carbazole
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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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    • 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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    • 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];
    • H01L51/5012—Electroluminescent [EL] layer
    • H01L51/5016—Triplet emission
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    • 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
    • H01L51/0052—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
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    • H01L51/56—Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
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    • H01L2251/00—Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
    • H01L2251/50—Organic light emitting devices
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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]
    • H01L27/3206—Multi-colour light emission
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    • H01L51/0001—Processes specially adapted for the manufacture or treatment of devices or of parts thereof
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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]
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    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces

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