US3086143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device
Assignee: Westinghouse Electric Corp
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Filing: 1959-11-19
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Granted: 1963-04-16
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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
2026-11-03 08:08
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10; G; G09; G09F; G09F9/00; G09F9/30; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A DISPLAY DEVICE COMPRISING: AN ELECTROLUMINESCENT LAYER; A LAYER OF NONLINEAR DIELECTRIC MATERIAL ADJACENT SAID ELECTROLUMINESCENT LAYER; A FIRST PAIR OF ELECTRODES WITH SAID ELECTROLUMINESCENT LAYER AND SAID NONLINEAR DIELECTRIC LAYER ELECTRICALLY COUPLED THEREBETWEEN; A SOURCE OF POTENTIAL COUPLED ACROSS SAID FIRST PAIR OF ELECTRODES; CONTROL MEANS TO ALTER THE POTENTIAL DROP ACROSS SAID NONLINEAR DIELECTRIC LAYER SO AS TO ALTER THE LIGHT OUTPUT FROM SAID ELECTROLUMINESCENT LAYER, SAID CONTROL MEANS COMPRISING, FOR EACH CONTROLLABLE ELEMENT OF SAID ELECTROLUMINESCENT LAYER, SECOND, THIRD AND FOURTH PAIRS OF ELECTRODES DISPOSED ACROSS SAID NONLINEAR DIELECTRIC LAYER, SAID SECOND, THIRD AND FOURTH PAIRS OF ELECTRODES INCLUDING ONE ELECTRODE COMMON TO EACH PAIR, SAID COMMON ELECTRODE DISPOSED ON THE SIDE OF SAID NONLINEAR DIELECTRIC LAYER REMOTE FROM SAID ELECTROLUMINESCENT LAYER FOR THE APPLICATION OF A CONTROL SIGNAL THERETO.
Claim 2
Dependent Claim
133 words
A DISPLAY DEVICE COMPRISING: AN ELECTROLUMINESCENT LAYER; A LAYER OF NONLINEAR DIELECTRIC MATERIAL ADJACENT SAID ELECTROLUMINESCENT LAYER; A FIRST PAIR OF ELECTRODES WITH SAID ELECTROLUMINESCENT LAYER AND SAID NONLINEAR DIELECTRIC LAYER ELECTRICALLY COUPLED THEREBETWEEN; A SOURCE OF POTENTIAL COUPLED ACROSS SAID FIRST PAIR OF ELECTRODES; CONTROL MEANS TO ALTER THE POTENTIAL DROP ACROSS SAID NONLINEAR DIELECTRIC LAYER SO AS TO ALTER THE LIGHT OUTPUT FROM SAID ELECTROLUMINESCENT LAYER, SAID CONTROL MEANS COMPRISING, FOR EACH CONTROLLABLE ELEMENT OF SAID ELECTROLUMINESCENT LAYER, SECOND, THIRD AND FOURTH PAIRS OF ELECTRODES DISPOSED ACROSS SAID NONLINEAR DIELECTRIC LAYER, SAID SECOND, THIRD AND FOURTH PAIRS OF ELECTRODES INCLUDING ONE ELECTRODE COMMON TO EACH PAIR, SAID COMMON ELECTRODE DISPOSED ON THE SIDE OF SAID NONLINEAR DIELECTRIC LAYER REMOTE FROM SAID ELECTROLUMINESCENT LAYER FOR THE APPLICATION OF A CONTROL SIGNAL THERETO.
References Cited (Backward Citations)
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US2877371A
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US2877376A
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US2882419A
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US2905830A
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US2922076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |