Sökning: "Light-emitting diodes"

Visar resultat 1 - 5 av 118 avhandlingar innehållade orden Light-emitting diodes.

  1. 1. Light-Emitting Electrochemical Transistors

    Författare :Jiang Liu; Magnus Berggren; Isak Engquist; Qibing Pei; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : Since the discovery of conductive polymers in 1977, the implementation of organic conjugated materials in electronic applications has been of great interest in both industry and academia. The goal of organic electronics is to realize large-area, inexpensive and mechanically-flexible electronic applications. LÄS MER

  3. 2. Color Tuning for Perovskite Light-Emitting Diodes

    Författare :Hongling Yu; Feng Gao; Xiaoke Liu; Olle Inganäs; Fengling Zhang; Maksym V. Kovalenko; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Perovskite light-emitting diodes; Color tuning; Pure and mixed halide; Spectral stability; White emission;

    Sammanfattning : Metal halide perovskites (MHPs) are recognized as promising semiconductor materials for a variety of optical and electrical device applications due to their cost-effective and outstanding optoelectronic properties. As one of the most significant applications, perovskite light-emitting diodes (PeLEDs) hold promise for future lighting and display technologies, attributed to their high photoluminescence quantum yield (PLQY), high color purity, and tunable emission color. LÄS MER

  4. 3. Interface-Assisted Perovskite Modulations for High-Performance Light-Emitting Diodes

    Författare :Chaoyang Kuang; Feng Gao; Sai Bai; Niclas Solin; Olle Inganäs; Mingjian Yuan; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Metal halide perovskite; Light-emitting diodes; Deprotonation; Interfacial reaction; Additive; Molecular interactions; Metall-halid-perovskiter; Lysdioder; Deprotonering; Gränsytegenererade reaktion; Tillsatsämnen; Molekylära interaktioner;

    Sammanfattning : Metal halide perovskites have emerged as a class of promising materials for a wide range of optoelectronic devices. Compared with traditional inorganic and organic semiconductors, perovskite materials can be easily processed via solution-based techniques at low temperatures and exhibit high photo-luminescence efficiency, outstanding colour purity, and superior charge transport properties, showing great promise for cost-effective and high-performance light-emitting diodes (LEDs). LÄS MER

  5. 4. Polymer light-emitting electrochemical cells : Utilizing doping for generation of light

    Författare :Piotr Matyba; Ludvig Edman; Qibing Pei; Umeå universitet; []
    Nyckelord :;

    Sammanfattning :     The current implementation of conjugated polymers (“conducting plastics”) in a wide range of devices promises to bring the vision of a new generation of flexible, efficient and low-cost applications to reality. Plastic lightemitting devices in the form of polymer light-emitting diodes (PLEDs) are projected to be particularly close to the market in applications such as large area and conformable illumination panels and high-performance thin displays. LÄS MER

  7. 5. Dynamics in Blue Emitting Metal Halide Perovskites for Light Emitting Diodes

    Författare :Max Karlsson; Feng Gao; Tze Chien Sum; Barry P. Rand; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Perovskites; Light-emitting diodes; Stability; Efficiency;

    Sammanfattning : Lighting comprises a large part of the global electricity consumption as of today, and the use of lighting in illumination and displays is only projected to grow. It is therefore imperative to meet this energy demand, not only by means of greener energy production, but also with materials that are both more efficient to fabricate as well as to use. LÄS MER