Display device with a thin-layered electroluminscent screen
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United States of America Patent
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Issued Date -
Sep 29, 2005
app pub date -
May 26, 2005
filing date -
Apr 19, 2002
priority date (Note) -
Abandoned
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Abstract
The invention relates to a display device of the thin-film electroluminescent display type comprising a first layer (3) having an electroluminescent material between a second layer (2) forming the transparent front electrode and a third layer (5) having at least one first rear electrode (EL1). It is characterised in that said display comprises, behind the third layer (5), a fourth layer (7) having an electroluminescent material and a fifth layer (9) with at least one second rear electrode (EL2) masking an area which is not covered by the first electrode (EL1). Owing to the invention, information may be caused to appear in the illuminated background of a display device.
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