Customer Cases

Insulator for thin film EL displays

The challenge

Thin Film Electroluminescent (TFEL) Displays are operated with 200V voltage and the thin film insulator layer needs to be fully pin-hole free to avoid breakdown. Sputtering was used in production but had problems with pin-holes.

The customer

Lumineq Displays.

Beneq solution

An ALD nanolaminate film composed of alternating Al2O3 and TiO2 layers (ATO) was developed and taken into production and became the only viable option for this application.

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