Selcos is based on high-vacuum thin-film processing technology and nano-technology, supplies high vacuum equipment and related parts for display / semiconductor industries. Our main item, nano thin film coating process, can be applied to plastic, glass and metallic materials. We can apply various colors and metallic texture especially. It is an eco-friendly and low-cost technology that can replace the existing painting process. Other main item is called LCOS, a reflection type micro display. As a 4K resolution panel which is developed for the first time in the world, it can be used for various applications such as projector, holographic, AR/VR.