Patent US3107315A successfully refreshed from Google Patents.
US3107315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state display screens
Assignee: Westinghouse Electric Corp
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Filing: 1958-03-25
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Granted: 1963-10-15
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Expires: 1978-03-25
Abstract
No abstract record available.
Inventors
- 👤 Peter N Wolfe
- 👤 Jr Edgar A Sack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:22
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
IN A SOLID STATE DISPLAY SCREEN, IN COMBINATION, A DIELECTRIC MASS COMPRISING ELECTROLUMINESCENT MATERIAL CAPABLE OF ILLUMINATION WHEN SUBJECTED TO AN ALTERNATING CURRENT LIGHT POWER POTENTIAL, NONLINEAR DIELECTRIC MATERIAL RESPONSIVE TO A DIRECT CURRENT CONTROL CHARGE, THE DIELECTRIC MASS BEING CONSOLIDATED FROM THE ELECTROLUMINESCENT AND NONLINEAR DIELECTIRC MATERIALS INTIMATELY MIXED IN POWDERED FORM, A PLURALITY OF CONTROL ELECTRODES APPLIED TO ONE SIDE OF THE DIELECTRIC MASS, THE PLURALITY OF ELECTRODES BEING DISPOSED IN SPACED RELATIONSHIP, A TRANSPARENT CONDUCTIVE ELECTRODE APPLIED TO THE OPPOSITE SIDE OF THE DIELECTRIC MASS, A LIGHT POWER SOURCE FOR APPLYING AN ALTERNATING CURRENT LIGHT POWER POTENTIAL ACROSS THE ELECTRODES APPLIED TO THE OPPOSITE SIDES OF THE DIELECTRIC MASS, AND A CURRENT CONTROL SOURCE FOR IMPOSING A DIRECT CURRENT CONTROL POTENTIAL TO THE PLURALITY OF ELECTRODES DISPOSED ON ONE SIDE OF THE DIELECTRIC MASS, THE DIRECT CURRENT CONTROL POTENTIAL BEING APPLIED TO THE SPACED ELECTRODES IN ANY PREDETERMINED ORDER, THE NONLINEAR DIELECTRIC AND THE ELECTROLUMINESCENT MATERIALS COOPERATING WITH THE SPACED ELECTRODES ON ONE SIDE OF THE DIELECTRIC MASS TO ESTABLISH A FIELD FOR CONTROLLING THE LUMINOSITY OF THE ELECTROLUMINESCENT MATERIAL IN RESPONSE TO THE APPLIED LIGHT POWER POTENTIAL.
Claim 2
Dependent Claim
191 words
IN A SOLID STATE DISPLAY SCREEN, IN COMBINATION, A DIELECTRIC MASS COMPRISING ELECTROLUMINESCENT MATERIAL CAPABLE OF ILLUMINATION WHEN SUBJECTED TO AN ALTERNATING CURRENT LIGHT POWER POTENTIAL, NONLINEAR DIELECTRIC MATERIAL RESPONSIVE TO A DIRECT CURRENT CONTROL CHARGE, THE DIELECTRIC MASS BEING CONSOLIDATED FROM THE ELECTROLUMINESCENT AND NONLINEAR DIELECTIRC MATERIALS INTIMATELY MIXED IN POWDERED FORM, A PLURALITY OF CONTROL ELECTRODES APPLIED TO ONE SIDE OF THE DIELECTRIC MASS, THE PLURALITY OF ELECTRODES BEING DISPOSED IN SPACED RELATIONSHIP, A TRANSPARENT CONDUCTIVE ELECTRODE APPLIED TO THE OPPOSITE SIDE OF THE DIELECTRIC MASS, A LIGHT POWER SOURCE FOR APPLYING AN ALTERNATING CURRENT LIGHT POWER POTENTIAL ACROSS THE ELECTRODES APPLIED TO THE OPPOSITE SIDES OF THE DIELECTRIC MASS, AND A CURRENT CONTROL SOURCE FOR IMPOSING A DIRECT CURRENT CONTROL POTENTIAL TO THE PLURALITY OF ELECTRODES DISPOSED ON ONE SIDE OF THE DIELECTRIC MASS, THE DIRECT CURRENT CONTROL POTENTIAL BEING APPLIED TO THE SPACED ELECTRODES IN ANY PREDETERMINED ORDER, THE NONLINEAR DIELECTRIC AND THE ELECTROLUMINESCENT MATERIALS COOPERATING WITH THE SPACED ELECTRODES ON ONE SIDE OF THE DIELECTRIC MASS TO ESTABLISH A FIELD FOR CONTROLLING THE LUMINOSITY OF THE ELECTROLUMINESCENT MATERIAL IN RESPONSE TO THE APPLIED LIGHT POWER POTENTIAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |