1. Display Technology: Quantum dots are widely used in modern displays to improve color accuracy and brightness while reducing energy consumption. 2. Smart Lighting: Nanotechnology enables the development of smart lighting systems that can adjust color and intensity based on environmental conditions. 3. Medical Lighting: Advanced lighting systems are used in medical imaging and phototherapy, where precise control over light properties is crucial. 4. Energy-Efficient Lighting: Nanotechnology allows for the creation of highly efficient lighting systems that consume less power, contributing to sustainable energy solutions.