Flexible High-Stability Self-Variable-Voltage Monolithic Integrated System Achieved by High-Brightness LED for...

Area of Science:

• Materials Science and Engineering
• Electrical Engineering
• Optoelectronics

Background:

• Visible light communication systems are crucial for the future of the Internet of Things (IoT).
• Complex sensing and driving circuits in IoT hinder efficient signal conversion and processing.

Purpose of the Study:

• To develop a high-performance self-variable-voltage light information transmission integrated system (SVV-LTS).
• To demonstrate the potential of SVV-LTS in low-power, self-powered optical communication transmission systems for IoT.

Main Methods:

• Utilized diffusion-adsorption regulation growth and laser induction technology to fabricate components on graphene.
• Integrated a high-brightness light-emitting diode (LED) and a flexible micro-supercapacitor (MSC).
• The MSC performs dual roles: powering the system and converting pressure signals to electrical signals.

Main Results:

• Successfully fabricated an integrated SVV-LTS system combining LED and MSC functionalities.
• Achieved a rapid response time of 80 ms for the SVV-LTS.
• Demonstrated stable LED luminous wavelength fluctuation within 1.2 nm.

Conclusions:

• The developed SVV-LTS offers a novel approach for low-power optical communication in IoT.
• The integrated system showcases potential for self-powered and efficient data transmission.