US3783022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent panel
Assignee: Mitsubishi Electric Corp
•
Filing: 1971-04-22
•
Granted: 1974-01-01
•
Expires: 1991-04-22
Abstract
Abstract AN ELECTROLUMINESCENT PANEL HAVING A LUMINESCENT LAYER, A HIGH DIELECTRIC LAYER AND A BACK ELECTRODE IS DISCLOSED. THE LUMINESCENT LAYER IS COMPOSED OF AN ELECTROLUMINESCENT PHOSPHOR CONTAINING ZNS AS AN ACTIVE INGREDIENT AND A BINDER. THE HIGH DIELECTRIC LAYER IS COMPOSED OF HIGH DIELECTRIC BARIUM TITANATE AND A BINDER. AFTER COATING THE VACUUM EVAPORATION OF ALUMINUM TO FORM A BACK ELECTRODE, A RESIN SUCH AS CYANOETHYL SUCROSE IS VACUUM IMPREGNATED TO THE LUMINESCENT LAYER AND THE HIGH DIELECTRIC LAYER BY HEATING. D R A W I N G
Inventors
- 👤 F Ueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/20; H05B33/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |