Intrinsically Stretchable Electroluminescent Materials and Devices

Intrinsically stretchable electroluminescent (EL) devices have emerged as pivotal components with transformative potential in various domains, including wearable technology, medical devices, human- machine interfaces, and communications. This mini -review focuses on the recent progress in the development of intrinsically stretchable EL materials, highlighting milestones and breakthroughs in the field. The article discusses the basic principles, advantages, and disadvantages associated with various EL mechanisms and materials. Specific material design strategies, particularly focusing on light -emitting layers, are thoroughly examined, detailing their implementation in EL devices and the resultant EL performance. We also provide perspectives on the active challenges and future research needs for each type of EL material and devices for achieving stretchable designs, together with some insights into the future trajectory of stretchable EL technology.