Black layer for thin film EL display device

Details Black layer for thin film EL display device Black layer for thin film EL display device

1986-06-06

1988-07-19

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313503, 3151693, H01J 162

Patent

active

047587652

ABSTRACT:
A thin film EL display device having an EL light emitting layer sandwiched between a transparent electrode and an opposing electrode, wherein a light absorbing black layer containing constituent ingredients for the EL emission layer is disposed at the back of the EL emission layer. The external incident light is not reflected but absorbed well into the light absorbing layer to enable an improvement in the display contrast.

REFERENCES:
patent: 4418118 (1983-11-01), Lindfors
patent: 4672264 (1987-06-01), Higton

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