Toward Power-Generating Displays: A Single Device That Harvests And Emits Light
semiconductor-digest.com May 22, 2026

Toward Power-Generating Displays: A Single Device That Harvests And Emits Light

AI-summarised brief · reviewed before publication

Researchers from Science Tokyo have developed an organic semiconductor device that can generate electricity from light and emit bright visible light. The team achieved efficient power conversion and electroluminescence by designing a material that suppresses energy losses. The device can harvest light and emit it, opening the door to power-generating displays and more compact electronics. It achieved 1.36% power-conversion efficiency and 2.0% light-emission efficiency, emitting bright red light with a luminance of 1,000 cd/m 2. The device operated at 3.2 volts, making it compatible with standard lithium-ion batteries. This breakthrough demonstrates a multifunctional platform with potential applications in displays, sensors, and energy-harvesting technologies, with results published in Advanced Materials.

💡 Why It Matters

  • · Organic semiconductors offer unique advantages over inorganic alternatives, enabling the creation of lightweight, mechanically flexible, and semitransparent films.
  • · This innovation paves the way for applications such as window-integrated photovoltaics and wearable electronics, which require flexible form factors that are difficult to achieve with rigid materials.