US3073992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device
Assignee: Westinghouse Electric Corp
•
Filing: 1959-11-19
•
Granted: 1963-01-15
•
Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Peter N Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10; G; G09; G09F; G09F9/00; G09F9/30; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A DISPLAY DEVICE COMPRISING AN ELECTROLUMINESCENT CELL HAVING A FRONT SURFACE AND A BACK SURFACE, A CONTROL STRUCTURE COMPRISING NONLINEAR DIELECTRIC CAPACITORS DISPOSED ON SAID BACK SURFACE OF SAID ELECTROLUMINESCENT CELL AND OPERATIVELY ASSOCIATED WITH SAID ELECTROLUMINESCENT CELL TO CONTROL THE LIGHT OUTPUT THEREOF, SAID CONTROL STRUCTURE HAVING A CONTROL SIGNAL INPUT ELECTRODE DISPOSED ON SAID CONTROL STRUCTURE ON A SURFACE THEREOF, SAID NONLINEAR DIELECTRIC CAPACITORS OF SAID CONTROL STRUCTURE FORMED BY COUPLING THROUGH NONLINEAR DIELECTRIC MATERIAL BETWEEN SAID CONTROL SIGNAL INPUT ELECTRODE AND OTHER ELECTRODES DISPOSED ON THE SAME SURFACE OF SAID CONTROL STRUCTURE AS SAID CONTROL SIGNAL INPUT ELECTRODE.
Claim 2
Dependent Claim
101 words
A DISPLAY DEVICE COMPRISING AN ELECTROLUMINESCENT CELL HAVING A FRONT SURFACE AND A BACK SURFACE, A CONTROL STRUCTURE COMPRISING NONLINEAR DIELECTRIC CAPACITORS DISPOSED ON SAID BACK SURFACE OF SAID ELECTROLUMINESCENT CELL AND OPERATIVELY ASSOCIATED WITH SAID ELECTROLUMINESCENT CELL TO CONTROL THE LIGHT OUTPUT THEREOF, SAID CONTROL STRUCTURE HAVING A CONTROL SIGNAL INPUT ELECTRODE DISPOSED ON SAID CONTROL STRUCTURE ON A SURFACE THEREOF, SAID NONLINEAR DIELECTRIC CAPACITORS OF SAID CONTROL STRUCTURE FORMED BY COUPLING THROUGH NONLINEAR DIELECTRIC MATERIAL BETWEEN SAID CONTROL SIGNAL INPUT ELECTRODE AND OTHER ELECTRODES DISPOSED ON THE SAME SURFACE OF SAID CONTROL STRUCTURE AS SAID CONTROL SIGNAL INPUT ELECTRODE.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |