US3127534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent element with an enamel coated base
Assignee: US Philips Corp
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Filing: 1961-01-31
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Granted: 1964-03-31
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Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 Diemer Gesinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:30
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/20; H05B33/26; H05B33/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN ELECTROLUMINESCENT ELEMENT BUILT UP OF A CARRIER AND A LAYER OF ELECTROLUMINESCENT MATERIAL ENCLOSED BETWEEN TWO CONDUCTIVE LAYERS, AT LEAST ONE OF WHICH IS PERMEABLE TO THE RADIATION EMITTED BY THE ELECTROLUMINESCENT LAYER WHEN APPLYING A VOLTAGT BETWEEN THE TWO CONDUCTIVE LAYERS, CHARACTERIZED IN THAT THE CARRIER CONSISTS OF METAL SURROUNDED BY ENAMEL ON ALL SIDES AND THAT THE ELEMENT COMPRISES, IN ADDITION, A THIRD CONDUCTIVE LAYER AND AT LEAST ONE INSULATING LAYER, AN INSULATING LAYER BEING PROVIDED BETWEEN THE THIRD CONDUCTIVE LAYER AND ONE OF THE OTHER CONDUCTIVE LAYERS, IN A MANNER SUCH THAT AT LEAST THE LAYERS PRESENT ON THE SIDE OF THE LAYER OF ELECTROLUMINESCENT MATERIAL REMOTE FROM THE CARRIER ARE PERMEABLE TO THE RADIATION EMITTED BY THE ELECTROLUMINESCENT LAYER UPON APPLYING A VOLTAGE BETWEEN THE TWO CONDUCTIVE LAYERS.
Claim 2
Dependent Claim
133 words
AN ELECTROLUMINESCENT ELEMENT BUILT UP OF A CARRIER AND A LAYER OF ELECTROLUMINESCENT MATERIAL ENCLOSED BETWEEN TWO CONDUCTIVE LAYERS, AT LEAST ONE OF WHICH IS PERMEABLE TO THE RADIATION EMITTED BY THE ELECTROLUMINESCENT LAYER WHEN APPLYING A VOLTAGT BETWEEN THE TWO CONDUCTIVE LAYERS, CHARACTERIZED IN THAT THE CARRIER CONSISTS OF METAL SURROUNDED BY ENAMEL ON ALL SIDES AND THAT THE ELEMENT COMPRISES, IN ADDITION, A THIRD CONDUCTIVE LAYER AND AT LEAST ONE INSULATING LAYER, AN INSULATING LAYER BEING PROVIDED BETWEEN THE THIRD CONDUCTIVE LAYER AND ONE OF THE OTHER CONDUCTIVE LAYERS, IN A MANNER SUCH THAT AT LEAST THE LAYERS PRESENT ON THE SIDE OF THE LAYER OF ELECTROLUMINESCENT MATERIAL REMOTE FROM THE CARRIER ARE PERMEABLE TO THE RADIATION EMITTED BY THE ELECTROLUMINESCENT LAYER UPON APPLYING A VOLTAGE BETWEEN THE TWO CONDUCTIVE LAYERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |