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5077 results in Electronic, optoelectronic devices, and nanotechnology

Page 5 of 254

Introduction to VLSI Design Flow
  • Sneh Saurabh
  • Published online:
    04 April 2024
    Print publication:
    15 June 2023
  • Chip designing is a complex task that requires an in-depth understanding of VLSI design flow, skills to employ sophisticated design tools, and keeping pace with the bleeding-edge semiconductor technologies. This lucid textbook is focused on fulfilling these requirements for students, as well as a refresher for professionals in the industry. It helps the user develop a holistic view of the design flow through a well-sequenced set of chapters on logic synthesis, verification, physical design, and testing. Illustrations and pictorial representations have been used liberally to simplify the explanation. Additionally, each chapter has a set of activities that can be performed using freely available tools and provide hands-on experience with the design tools. Review questions and problems are given at the end of each chapter to revise the concepts. Recent trends and references are listed at the end of each chapter for further reading.

  • 11 - Polymers for Phosphorescent LEDs

  • Andrew Grimsdale, Nanyang Technological University, Singapore, Paul Dastoor, University of Newcastle, New South Wales
  • Book:
    Conjugated Polymers for Organic Electronics
    Published online:
    28 March 2024
    Print publication:
    04 April 2024, pp 173-183

  • Summary

    Emission from organic materials is usually fluorescence from decay of singlet states, but in LEDs a majority of the excited states generated are triplet states which can only decay by phosphorescence or by thermally-activated delayed fluorescence (TADF). To improve the potential maximum efficiency of LEDs, it is necessary to incorporate into the emissive material chromophores which are phosphorescent or which show TADF. The ways in which such units can be incorporated into polymers are described and compared and the device results to date and prospects for future development discussed.

Page 5 of 254