When the sun shines on double-sided modules, part of the direct solar radiation and scattered light reaches the ground and will be reflected the back of the module. This part of light can be absorbed by the battery to improve the photocurrent and power generation. . Where does the light on the back of the double-glass module come from Where does the light on the back of the double-glass module come from What is a dual glass module? Our dual glass modules use the same internal circuit connection as a traditional glass-backsheet module but feature. . The double glass module, as the name implies, is a construction in which the typical aluminum frames and back sheet substrate are replaced by another glass panel. As a result, the solar cells are entirely surrounded by glass. The cells are located on the connection's neutral axis and do not incur. . Glass-glass module structures (Dual Glass or Double Glass) is a technology that uses a glass layer on the back of the modules instead of the traditional polymer backsheet. Originally double-glass solar panels were heavy and expensive, allowing the lighter polymer backing panels to gain most of the. . Polymer film, also known as backsheet, is sometimes incorrectly called Tedlar, although this material, developed by Dupont, is only one of the components of polymer film among other options. EVA (Ethylene Vinyl Acetate) 4. Leak hole. . Double-sided modules are photovoltaic modules that can generate electricity on both sides.