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Related Concept Videos

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

387
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
387

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Lithium-plasmon-based low-powered dynamic color display.

Jie Liang1, Yan Jin1, Huiling Yu1

  • 1National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, School of Physics, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing 210093, China.

National Science Review
|February 24, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel lithium-plasmon dynamic color display that also functions as an energy recycling unit. This low-powered device utilizes electric-field-driven lithium metal transformation for efficient energy consumption and retrieval.

Keywords:
dynamic displaylithium metal batterylithium nanoparticlelithium plasmonlow energy consumption

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Photonics

Background:

  • Traditional electronics rely on separate display and power supply systems.
  • Developing integrated devices with low power consumption is a key challenge.

Purpose of the Study:

  • To create a novel dynamic color display with integrated energy recycling capabilities.
  • To demonstrate a low-powered electronic device utilizing lithium-plasmonics.

Main Methods:

  • Electric-field-driven transformation of nanostructured lithium metals.
  • Utilizing electrodeposition (charging) and electrostripping (discharging) for plasmonic color changes and energy retrieval.
  • Developing a proof-of-concept display/battery device.

Main Results:

  • Achieved low energy consumption of 0.390 mW cm⁻² (active) and 0.105 mW cm⁻² (static) coloration.
  • Demonstrated intrinsic dual functionality: plasmonic display and energy recycling.
  • Approached near-zero-energy consumption with high energy efficiency.

Conclusions:

  • Lithium-plasmonics offers a promising pathway for next-generation integrated photonic devices.
  • The developed display exhibits advantages in low energy consumption, small footprint, and high resolution.
  • This technology integrates display and power functions, paving the way for more efficient electronics.