The frameless nature is achieved by encapsulating the solar cells between two sheets of glass, a construction often referred to as glass-on-glass. This engineering choice allows the panel to blend more harmoniously with modern architectural designs. . A frameless solar panel is a photovoltaic module that eliminates the traditional aluminum frame, featuring a seamless, edge-to-edge glass surface. Even if it's on a small scale, read on to learn about the progressive ways you can let the sun shine in while watching your traditional energy usage decline.