The light is then passed through a holographic material that accentuates the difference between the background and the hands and numbers.
This question-writer's uncle was an engineer on the team that invented this concept. It is basically an example of electroluminescence in which a liquid crystal material is excited by a small current, generating a form of light. The light is then passed through a holographic material that accentuates the difference between the background and the hands and numbers. It is currently a feature in 75 percent of all watches. FTP, identify this concept created in the early 90s by Timex that illuminates watch backgrounds.
This question-writer's uncle was an engineer on the team that invented this concept.
{Indiglo}