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US3107315A Expired / Lapsed US ⏱️ 0.0 years remaining

Solid state display screens

Assignee: Westinghouse Electric Corp
•
Filing: 1958-03-25
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Granted: 1963-10-15
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Expires: 1978-03-25
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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)

US2566349A Cited
US2873380A Cited
US2813223A Cited
US2792447A Cited
US2877371A Cited
US2894854A Cited

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

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