Multi-colored thin-film electroluminescent display with filter

Claim 2

A multi-colored thin-film electroluminescent device comprising: a substrate; filter means for filtering light disposed on a first portion of a surface of said substrate; first electrode means for providing a first selecting potential to said device, said first electrode means being disposed on said surface of said substrate and also overlying said filter means; first insulator means for insulating said first electrode means, said first insulator means being disposed on said first electrode means; first means for emitting light, said first light emitting means being disposed on a surface of said first insulator means and in optical alignment with said filter means; second electrode means for providing a second selecting potential to said device, said second electrode means being disposed adjacent said first light emitting means; and second insulating means for insulating said first light emitting means from said second electrode means, said second insulating means being disposed between said first light emitting means and said second electrode means.

Claim 3

The device of claim 1 wherein said substrate comprises a glass.

Claim 4

The device of claim 1 wherein said filter means comprises a red filter.

Claim 5

The device of claim 3 wherein said red filter comprises cadmium sulfoselenide.

Claim 6

The device of claim 4 wherein said cadmium sulfoselenide comprises the chemical composition CdS x Se 1-x where x is in the range of 0.80 to 0.40.

Claim 7

The device of claim 5 wherein said cadmium sulfoselenide thickness is between 0.8 and 1.5 micrometers.

Claim 8

The device of claim 4 wherein said cadmium sulfoselenide comprises the chemical composition CdS.sub..62 Se.sub..38.

Claim 9

The device of claim 3 wherein said red filter comprises zinc selenium telluride.

Claim 10

The device of claim 1 wherein said first electrode means comprises indium tin oxide.

Claim 11

The device of claim 1 wherein said first light emitting means comprises a zinc sulphide doped with manganese.

Claim 12

The device of claim 1 further comprising second means for emitting light, said second light emitting means being disposed adjacent said first light emitting means between said first and second insulating means.

Claim 13

The device of claim 11 wherein said second light emitting means comprises zinc sulfide doped with terbium fluoride.

Claim 14

The device of claim 11 further comprising third means for emitting light, said third light emitting means being disposed adjacent said second light emitting means between said first and second insulating means.

Claim 15

The device of claim 13 wherein said third light emitting means comprises strontium sulphide doped with cerium fluoride.

Claim 16

This device of claim 13 wherein said third light emitting means comprises zinc sulphide doped with thulium.

Claim 17

The device of claim 1 wherein said second electrode means comprises aluminum.

Claim 18

The device of claim 1 wherein said first and second electrode means are perpendicular to one another.

Claim 19

The device of claim 1 wherein said first and second insulating means comprise silicon oxynitride.

Claim 20

A multi-colored thin-film electroluminescent device comprising: a substrate; filter means for filtering light formed in a first portion of a surface of said substrate; first electrode means for providing a first selecting potential to said device, said first electrode means being disposed on an exposed portion of said surface of said substrate and also overlaying said filter means; first insulator means for insulating said first electrode means, said first insulator means being disposed on said first electrode means; first means for emitting light, said first light emitting means being disposed on a surface of said first insulator means and in an overlaying relation with said filter means; second electrode means for providing a second selecting potential to said device, said second electrode means being disposed adjacent said first light emitting means; and second insulating means for insulating said first light emitting means from said second electrode means, said second insulating means being disposed between said first light emitting means and said second electrode means.

Claim 21

A multi-colored thin-film electroluminescent device comprising: a substrate; filter means for filtering light formed in a first portion of a surface of said substrate; first electrode means for providing a first selecting potential to said device, said first electrode means being disposed on an exposed portion of said surface of said substrate and also overlaying said filter means; first insulator means for insulating said first electrode means, said first insulator means being disposed on said first electrode means; first means for emitting light, said first light emitting means being disposed on a surface of said first insulator means and in an overlaying relation with said filter means; second electrode means for providing a second selecting potential to said device, said second electrode means being disposed adjacent said first light emitting means; and second insulating means for insulating said first light emitting means from said second electrode means, said second insulating means being disposed between said first light emitting means and said second electrode means.

Claim 22

The device of claim 19 wherein said substrate comprises a glass.

Claim 23

The device of claim 19 wherein said filter means comprises a red filter.

Claim 24

The device of claim 21 wherein said red filter comprises cadmium sulfoselenide.

Claim 25

The device of claim 22 wherein said cadmium sulfoselenide comprises the chemical composition CdS x Se 1-x where x is in the range of 0.80 to 0.40.

Claim 26

The device of claim 23 wherein said cadmium sulfoselenide thickness is between 0.8 and 1.5 micrometers.

Claim 27

The device of claim 22 wherein said cadmium sulfoselenide comprises the chemical composition Cds.sub..62 Se.sub..38.

Claim 28

The device of claim 21 wherein said red filter comprises zinc selenium telluride.

Claim 29

The device of claim 19 wherein said first electrode means comprises indium tin oxide.

Claim 30

The device of claim 19 wherein said first light emitting means comprises a zinc sulphide doped with manganese.

Claim 31

The device of claim 19 further comprising second means for emitting light, said second light emitting means being disposed adjacent said first light emitting means between said first and second insulating means.

Claim 32

The device of claim 29 wherein said second light emitting means comprising zinc sulfide doped with terbium fluoride.

Claim 33

The device of claim 29 further comprising third means for emitting light, said third light emitting means being disposed adjacent said second light emitting means between said first and second insulating means.

Claim 34

The device of claim 31 wherein said third light emitting means comprises strontium sulphide doped with cerium fluoride.

Claim 35

The device of claim 31 wherein said third light emitting means comprises zinc sulfide doped with thulium.

Claim 36

The device of claim 19 wherein said second electrode means comprises aluminum.

Claim 37

The device of claim 19 wherein said first and second electrode means are orthogonal to one another.

Claim 38

The device of claim 19 wherein said first and second insulating means comprise silicon oxynitride.

Claim 39

A multi-colored thin-film electroluminescent device comprising: a substrate; a cadmium sulfoselenide filter disposed on a first portion of a surface of said substrate; a first plurality of electrodes being disposed on said surface of said substrate and in an overlaying and orthogonal relation with said cadmium sulfoselenide filter; a first insulator being disposed on said first plurality of electrodes; means for emitting light of a first color, said first color light means being disposed on a surface of said first insulator and in an overlaying relation with said cadmium sulfoselenide filter; means for emitting light of a second color, said second color light means being disposed on said surface of said insulator adjacent said first color light means; a second plurality of electrodes being disposed adjacent said first and second color light means and being orthogonal to said first plurality of electrodes; and a second insulator being disposed between said first and second color light emitting means and said second plurality of electrode

Claim 40

A multi-colored thin-film electroluminescent device comprising: a substrate; a cadmium sulfoselenide filter disposed on a first portion of a surface of said substrate; a first plurality of electrodes being disposed on said surface of said substrate and in an overlaying and orthogonal relation with said cadmium sulfoselenide filter; a first insulator being disposed on said first plurality of electrodes; means for emitting light of a first color, said first color light means being disposed on a surface of said first insulator and in an overlaying relation with said cadmium sulfoselenide filter; means for emitting light of a second color, said second color light means being disposed on said surface of said insulator adjacent said first color light means; a second plurality of electrodes being disposed adjacent said first and second color light means and being orthogonal to said first plurality of electrodes; and a second insulator being disposed between said first and second color light emitting means and said second plurality of electrode

Claim 41

The device of claim 37 wherein said cadmium sulfoselenide filter comprises the chemical composition CdS x Se 1-x where x is in the range of 0.80 to 0.40.

Claim 42

The device of claim 38 wherein said cadmium sulfoselenide thickness is between 0.8 and 1.5 micrometers.

Claim 43

The device of claim 38 wherein said cadmium sulfoselenide filter comprises the chemical composition CdS.sub..70 Se.sub..30.

Claim 44

A multi-colored thin-film electroluminescent device comprising a transparent base having on a surface thereof a filter comprised of a layer of cadmium sulfoselenide deposited in the form of a film that is in optical alignment with a light emitting layer of said electroluminescent device.

Claim 45

A multi-colored thin-film electroluminescent device comprising a transparent base having on a surface thereof a filter comprised of a layer of cadmium sulfoselenide deposited in the form of a film that is in optical alignment with a light emitting layer of said electroluminescent device.

Claim 46

The device of claim 41 wherein said cadmium sulfoselenide filter comprises the chemical composition CdS x Se 1-x where x is in the range of 0.80 to 0.40.

Claim 47

The device of claim 42 wherein said cadmium sulfoselenide thickness is between 0.8 and 1.5 micrometers.

Claim 48

The device of claim 41 wherein said cadmium sulfoselenide filter comprises the chemical composition CdS.sub..62 Se.sub..38.

Claim 49

A multi-colored thin-film electroluminescent device comprising a transparent base having on a surface thereof a filter comprised of a layer of cadmium sulfoselenide deposited in the form of a film that is in optical alignment with a first light emitting material, there being at least one other light emitting material that is adjacent said first light emitting material and supported on said base which is not in optical alignment with said filter.

Claim 50

A multi-colored thin-film electroluminescent device comprising a transparent base having on a surface thereof a filter comprised of a layer of cadmium sulfoselenide deposited in the form of a film that is in optical alignment with a first light emitting material, there being at least one other light emitting material that is adjacent said first light emitting material and supported on said base which is not in optical alignment with said filter.

Claim 51

The device of claim 45 wherein there are two other light emitting materials producing light having different colors which are not in an optical alignment with said filter.