Luminescent screen having a mosaic structure

Details Luminescent screen having a mosaic structure Luminescent screen having a mosaic structure

1977-12-07

1979-04-03

Willis, Davis L.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

427 65, G01T 120

Patent

active

RE0299561

ABSTRACT:
In a luminescent layer which is composed of spatially separated areas for reduction of lateral light dispersion in the layer, this subdivision is realized by provision of a crack structure in the luminescent layer.
This crack structure is realized by thermal treatment of a layer which is provided on a substratum, and can be made optimum by an appropriate choice of the layer thickness, so that deposition in a plurality of sublayers can be advantageous. The crack structure can also be caused by a pattern which is provided in the substratum surface or by means of a gauze which serves as a substratum.

REFERENCES:
patent: 3011919 (1961-12-01), Niklas
patent: 3041456 (1962-06-01), Macleod
patent: 3509341 (1970-04-01), Hindel et al.

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