Display Screen Equipment (DSE) is a device or equipment that has an alphanumeric or graphic display screen, regardless of the display process involved; it includes both conventional display screens and those used in emerging technologies such as laptops, touch-screens and other similar devices.he Health and Safety (Display Screen Equipment) Regulations 1992 aim to protect the health of people who work with DSE. The Regulations were introduced because DSE has become one of the most common kinds of work equipment.