Patent US4226242A successfully refreshed from Google Patents.
US3133221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent device and terminal means therefor
Assignee: Westinghouse Electric Corp
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Filing: 1960-09-16
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Granted: 1964-05-12
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Expires: 1980-09-16
Abstract
No abstract record available.
Inventors
- 👤 William J Knochel
- 👤 Eugene F Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:53
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN ELECTROLUMINESCENT DEVICE HAVING A LIGHT-EMITTING PORTION COMPRISING A PHOSPHOR-PLASTIC DIELECTRIC LAYER AND A THIN METAL ELECTRODE THAT ARE PROTECTED FROM THE ATMOSPHERE BY A RIGID OVERLYING COATING OF CURED PLASTIC, TERMINAL MEANS FOR CONNECTING SAID METAL ELECTRODE TO AN ELECTRICAL POWER SOURCE COMPRISING; A LEAD-IN CONDUCTOR HAVING ONE END HERMETICALLY EMBEDDED IN SAID PROTECTIVE PLASTIC COATING, AND A THIN LAYER OF ELECTRICALLY-CONDUCTIVE ADHESIVE MATERIAL DISPOSED BETWEEN AND ELECTRICALLY CONNECTING THE EMBEDDED END OF SAID LEAD-IN CONDUCTOR WITH THE UNDERLYING PORTION OF SAID METAL ELECTRODE, SAID ADHESIVE MATERIAL CONSISTING OF A 100% SOLIDS MIXTURE OF ELECTRICALLY-CONDUCTIVE PARTICLES AND A NONHARDENABLE PLASTIC RESIN THAT IS INERT WITH RESPECT TO SAID PHOSPHOR-PLASTIC DIELECTRIC LAYER AND IS HELD BETWEEN AND IN POSITIVE ELECTRICAL CONTACT WITH SAID LEAD-IN CONDUCTOR AND METAL ELECTRODE BY SAID PROTECTIVE PLASTIC COATING.
Claim 2
Dependent Claim
134 words
IN AN ELECTROLUMINESCENT DEVICE HAVING A LIGHT-EMITTING PORTION COMPRISING A PHOSPHOR-PLASTIC DIELECTRIC LAYER AND A THIN METAL ELECTRODE THAT ARE PROTECTED FROM THE ATMOSPHERE BY A RIGID OVERLYING COATING OF CURED PLASTIC, TERMINAL MEANS FOR CONNECTING SAID METAL ELECTRODE TO AN ELECTRICAL POWER SOURCE COMPRISING; A LEAD-IN CONDUCTOR HAVING ONE END HERMETICALLY EMBEDDED IN SAID PROTECTIVE PLASTIC COATING, AND A THIN LAYER OF ELECTRICALLY-CONDUCTIVE ADHESIVE MATERIAL DISPOSED BETWEEN AND ELECTRICALLY CONNECTING THE EMBEDDED END OF SAID LEAD-IN CONDUCTOR WITH THE UNDERLYING PORTION OF SAID METAL ELECTRODE, SAID ADHESIVE MATERIAL CONSISTING OF A 100% SOLIDS MIXTURE OF ELECTRICALLY-CONDUCTIVE PARTICLES AND A NONHARDENABLE PLASTIC RESIN THAT IS INERT WITH RESPECT TO SAID PHOSPHOR-PLASTIC DIELECTRIC LAYER AND IS HELD BETWEEN AND IN POSITIVE ELECTRICAL CONTACT WITH SAID LEAD-IN CONDUCTOR AND METAL ELECTRODE BY SAID PROTECTIVE PLASTIC COATING.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |