OLED与全息超表面首次结合，新研究解决全息技术普及难题

Core Viewpoint - The research from the University of St Andrews indicates that the combination of holographic metasurfaces (HMs) and organic light-emitting diodes (OLEDs) could revolutionize the smart devices, communication, gaming, and entertainment industries by overcoming key challenges in holographic technology [1][2]. Group 1: Technology Overview - The study published in "Light: Science & Applications" presents a novel optoelectronic device that integrates holographic metasurfaces with OLEDs, simplifying the manufacturing process, reducing device size, and potentially lowering costs, thus facilitating broader application [1][2]. - OLEDs, widely used in mobile screens and some televisions, are thin-film devices that serve as planar light sources, showing promise in emerging fields like optical wireless communication and biosensing due to their high compatibility with other technologies [2]. - Holographic metasurfaces consist of "super-atoms" arranged in a thin planar array, each about one-thousandth the diameter of a human hair, designed to manipulate light properties for applications in data storage, anti-counterfeiting, optical displays, high numerical aperture lenses, and sensing [2]. Group 2: Research Breakthrough - This research marks the first instance of combining these two technologies to create foundational components for holographic displays, allowing for precise design of each "super-atom" to control light beam characteristics, effectively functioning as a pixel [4]. - The interference principle of light enables the creation of complex patterns, allowing pre-designed images to be displayed on the opposite side of the metasurface [4]. - The integration of OLED with metasurfaces opens new avenues for holography and light manipulation, potentially leading to significant advancements in virtual reality and augmented reality applications [4]. Group 3: Implications for Display Technology - Traditional OLED displays require thousands of pixels to render simple images, whereas this new method can project complete images using just one OLED pixel, enhancing the feasibility of compact, high-integration metasurface displays [4].