liquid crystal displays; liquid crystal display modules; liquid crystal display panels; liquid crystal display monitors; liquid crystal display televisions; computer monitors; computer display screens; computer display panels; computer display modules; computer display monitors; television monitors

providing technical advice relating to performance and operation of liquid crystal displays, computer monitors and computer displays that require high levels of personal knowledge, skill or experience of the operators to meet the required accuracy in operating them; design of liquid crystal displays, computer monitors and computer displays