Universal Display Corporation is engaged in the research, development and commercialization of organic light emitting diode (OLED), technologies and materials for use in displays for wearables, smartphones, tablets and televisions, as well as solid-state lighting applications. The Company's flat panel displays are used for various portable consumer electronics products, such as mobile phones, wearables, portable media devices, digital cameras, tablets and notebook computers. It also supplies its OLED materials to manufacturers of OLED displays and lighting products for evaluation and for use in product development and for pre-commercial activities, and it also provides technical assistance and support to these manufacturers. It has produced and sold phosphorescent emitter materials that produce red, yellow, green and light-blue light, which are combined in various ways for the flat panel display and the lighting market. It has also developed host materials for the emissive layer.