Patent US2216348A successfully refreshed from Google Patents.
Patent US3379915A successfully refreshed from Google Patents.
US3379915A
Expired / Lapsed
US
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Conductive media for electroluminescent devices, and electroluminescent device
Assignee: GTE Sylvania Inc
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Filing: 1965-07-08
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Granted: 1968-04-23
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Sentementes
- 👤 Eric L Mager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:17
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H01; H01B; H01B1/00; H01B1/06; H01B1/08; H05B33/22; H05B33/26; H05B33/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ELECTROLUMINESCENT DEVICE COMPRISING: AN ELECTRICALLY CONDUCTIVE BASE MEMBER, A LAYER OF LIGHT EMITTING MATERIAL INCLUDING AN ELECTROLUMINESCENT PHOSPHOR DISPOSED ABOVE SAID BASE MEMBER; AN ELECTRICALLY CONDUCTIVE LACQUER DISPOSED ABOVE SAID LAYER OF LIGHT EMITTING MATERIAL SAID ELECTRICALLY CONDUCTIVE LACQUER INCLUDING INDIUM OXIDE DOPED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF TIN PLUS CADMIUM AND TIN PLUS CADMIUM PLUS ANTIMONY, SAID CADMIUM BEING DIVALENT, SAID DOPANT BEING PRESENT IN QUANTITIES OF 0.05 TO 0.5 GRAM ATOMS PER MOLE OF INDIUM OXIDE.
Claim 2
Dependent Claim
83 words
AN ELECTROLUMINESCENT DEVICE COMPRISING: AN ELECTRICALLY CONDUCTIVE BASE MEMBER, A LAYER OF LIGHT EMITTING MATERIAL INCLUDING AN ELECTROLUMINESCENT PHOSPHOR DISPOSED ABOVE SAID BASE MEMBER; AN ELECTRICALLY CONDUCTIVE LACQUER DISPOSED ABOVE SAID LAYER OF LIGHT EMITTING MATERIAL SAID ELECTRICALLY CONDUCTIVE LACQUER INCLUDING INDIUM OXIDE DOPED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF TIN PLUS CADMIUM AND TIN PLUS CADMIUM PLUS ANTIMONY, SAID CADMIUM BEING DIVALENT, SAID DOPANT BEING PRESENT IN QUANTITIES OF 0.05 TO 0.5 GRAM ATOMS PER MOLE OF INDIUM OXIDE.
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |