The display and touchscreen are the most visible parts of a phone, and they also incorporate a mix of elements:
Indium: Used in indium tin oxide (ITO) coatings on touchscreens, making the surface conductive and responsive to touch.
Silicon: The base material for the phone’s semiconductor chips and also found in display technologies.
Rare Earth Elements (REEs): Such as europium architect database and terbium, used to create vibrant colors in LCD and OLED screens.
Glass: While primarily silicon dioxide, modern screens may include other elements to improve durability and touch sensitivity.
These elements work together to deliver the crystal-clear visuals and smooth interactions users expect.
The Role of Plastics and Non-Metallic Elements
While metals dominate the phone’s circuitry, plastics and other non-metallic materials are vital for insulation, flexibility, and durability:
Carbon: Found in various polymers and plastic components; carbon-based materials are also used in batteries.
Hydrogen, Oxygen, and Nitrogen: These elements are part of the organic compounds making up plastics and adhesives.
Phosphorus: Used in some types of LED backlighting and circuit board components.
Silicon (again): Not just in chips, but also in protective coatings and adhesives.
These materials ensure the phone is lightweight, shock-resistant, and safe to use, while insulating electrical parts from damage.