[go: up one dir, main page]

Zhang et al., 2016 - Google Patents

Exploiting p-type delayed fluorescence in hybrid white OLEDs: breaking the trade-off between high device efficiency and long lifetime

Zhang et al., 2016

Document ID
9796946200265827604
Author
Zhang D
Zhang D
Duan L
Publication year
Publication venue
ACS Applied Materials & Interfaces

External Links

Snippet

Despite that the majority of practical organic light-emitting diodes (OLEDs) still rely on blue fluorophors with low triplet (T1) for creating blue light, hybrid white OLEDs based on low T1 blue fluorophors are still much lagged behind in power efficiency. Here,“ideal” hybrid …
Continue reading at pubs.acs.org (other versions)

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
    • H01L51/0032—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
    • 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];
    • H01L51/5012—Electroluminescent [EL] layer
    • H01L51/5016—Triplet emission
    • 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
    • H01L51/0084—Transition metal complexes, e.g. Ru(II)polypyridine complexes
    • H01L51/0085—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising Iridium
    • 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)
    • 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
    • H01L51/005—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
    • 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
    • H01L51/005—Macromolecular systems with low molecular weight, e.g. cyanine dyes, coumarine dyes, tetrathiafulvalene
    • H01L51/0052—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • 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];
    • H01L51/5048—Carrier transporting layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • 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]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1007—Non-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials

Similar Documents

Publication Publication Date Title
Zhang et al. Simultaneous enhancement of efficiency and stability of phosphorescent OLEDs based on efficient Forster energy transfer from interface exciplex
Zhang et al. Efficient triplet application in exciplex delayed-fluorescence oleds using a reverse intersystem crossing mechanism based on a δ es–t of around zero
Hu et al. Universal bipolar host materials for blue, green, and red phosphorescent OLEDs with excellent efficiencies and small-efficiency roll-off
Wu et al. High‐performance hybrid white organic light‐emitting diodes with superior efficiency/color rendering index/color stability and low efficiency roll‐off based on a blue thermally activated delayed fluorescent emitter
Hung et al. Highly efficient bilayer interface exciplex for yellow organic light-emitting diode
Hung et al. Remote steric effect as a facile strategy for improving the efficiency of exciplex-based OLEDs
Mondal et al. Fluorene‐Based Asymmetric Bipolar Universal Hosts for White Organic Light Emitting Devices
Wu et al. Managing excitons and charges for high-performance fluorescent white organic light-emitting diodes
Colella et al. Interfacial TADF exciplex as a tool to localize excitons, improve efficiency, and increase OLED lifetime
Shih et al. Versatile exciplex-forming co-host for improving efficiency and lifetime of fluorescent and phosphorescent organic light-emitting diodes
JP5698135B2 (en) White phosphorescent organic light emitting device
CN105418533B (en) A red light thermally activated delayed fluorescent material and organic electroluminescent device
Liu et al. High-performance, simplified fluorescence and phosphorescence hybrid white organic light-emitting devices allowing complete triplet harvesting
Wang et al. Simple-structured phosphorescent warm white organic light-emitting diodes with high power efficiency and low efficiency roll-off
Wu et al. Development of a highly efficient hybrid white organic-light-emitting diode with a single emission layer by solution processing
Zhang et al. Exploiting p-type delayed fluorescence in hybrid white OLEDs: breaking the trade-off between high device efficiency and long lifetime
Tian et al. High-performance white organic light-emitting diodes with simplified structure incorporating novel exciplex-forming host
Liu et al. An ideal host-guest system to accomplish high-performance greenish yellow and hybrid white organic light-emitting diodes
Ban et al. Design of blue thermally activated delayed fluorescent emitter with efficient exciton gathering property for high-performance fully solution-processed hybrid white OLEDs
Wu et al. Achieving extreme utilization of excitons by an efficient sandwich-type emissive layer architecture for reduced efficiency roll-off and improved operational stability in organic light-emitting diodes
Ban et al. Strategy for the Realization of Highly Efficient Solution-Processed All-Fluorescence White OLEDs—Encapsulated Thermally Activated Delayed Fluorescent Yellow Emitters
Ying et al. High‐performance white organic light‐emitting diodes with high efficiency, low efficiency roll‐off, and superior color stability/color rendering index by strategic design of exciplex hosts
Zhang et al. Novel blue fluorescent emitters structured by linking triphenylamine and anthracene derivatives for organic light-emitting devices with EQE exceeding 5%
Wang et al. Toward ultra-high efficiency tandem OLEDs: Benzothiazole-based bipolar hosts and specific device architectures
Kim et al. Highly efficient bipolar host materials with indenocarbazole and pyrimidine moieties for phosphorescent green light-emitting diodes