A concealed light-transmitting membrane panel, also known as a light guide panel, is a device that is used to distribute light evenly and efficiently. It is commonly used in electronic displays, lighting fixtures, and advertising displays. The panel consists of a thin sheet of clear or translucent material, such as polyester or polycarbonate, that is etched with a pattern of dots, lines, or other shapes. The printing pattern serves as a light guide, directing light from a source, such as LEDs, displays into the panel and distributing it evenly across the surface. the conceals printing pattern and provides a desired graphical display, if there no the lighting, the windows can be conceals and unseen. The graphic layer can be changed easily to update the display. Light guide panels offer several benefits over traditional lighting systems, including high brightness, energy efficiency, and low heat generation. They are also lightweight and can be made in a variety of sizes and shapes to fit different applications.