Patent attributes
A circuit board that includes OLED display technology is provided. An OLED display may present light patterns recognizable by a hearing or visually impaired users. The light pattern may be customized by the user. A specific workflow may be associated with a specific light pattern. A light pattern may visually guide a user through a workflow. For example, different menu options may be color coded. High consequence changes may flash with a certain light sequence or pattern. Trusted devices may present a specific light pattern or matrix at “login” time to confirm that the user is accessing a trusted device.