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US3341916A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing electroluminescent display devices

Assignee: General Electric Co
•
Filing: 1966-04-20
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Granted: 1967-09-19
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Expires: 1986-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence E Greene

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:23
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 137 words
THE METHOD OF MAKING AN ELECTROLUMINESCENT DISPLAY PANEL WHICH COMPRISES FORMING A SELF-SUPPORTING SHEET COMPRISED OF AN ELECTROLUMINESCENT PHOSPHOR DISPERSED IN AN ORGANIC MATRIX MATERIAL, APPLYING TO ONE SIDE OF SAID PHOSPHOR-CONTAINING SHEET A SEGMENTED BACK ELECTRODE LAYER COMPRISING AN ARRAY OF DISCRETE ELECTRODE SECTIONS, APPLYING OVER THE SAID ONE SIDE OF SAID PHOSPHORCONTAINING SHEET AND OVER THE SAID DISCRETE ELECTRODE SECTIONS THEREON A PREFORMED INSULATOR SHEET OF A LOW DIELECTRIC CONSTANT ORGANIC THERMOPLASTIC MATERIAL HAVING APERTURES OVERLYING RESPECTIVE ONES OF SAID ELECTRODE SECTIONS, APPLYING ELECTRICALLY CONDUCTIVE LEADS OVER THE SAID PLASTIC INSULATOR SHEET TO EXTEND FLATWISE THEREACROSS FROM THE EDGE THEREOF INTO ELECTRICAL CONTACT WITH RESPECTIVE ONES OF SAID ELECTRODE SECTIONS THROUGH THE SAID APERTURES IN THE INSULATOR SHEET, AND APPLYING A LIGHT-TRANSMITTING ELECTRICALLY CONDUCTIVE FRONT ELECTRODE LAYER TO THE OTHER SIDE OF SAID PHOSPHOR-CONTAINING SHEET.
Claim 2
Independent Claim 137 words
THE METHOD OF MAKING AN ELECTROLUMINESCENT DISPLAY PANEL WHICH COMPRISES FORMING A SELF-SUPPORTING SHEET COMPRISED OF AN ELECTROLUMINESCENT PHOSPHOR DISPERSED IN AN ORGANIC MATRIX MATERIAL, APPLYING TO ONE SIDE OF SAID PHOSPHOR-CONTAINING SHEET A SEGMENTED BACK ELECTRODE LAYER COMPRISING AN ARRAY OF DISCRETE ELECTRODE SECTIONS, APPLYING OVER THE SAID ONE SIDE OF SAID PHOSPHORCONTAINING SHEET AND OVER THE SAID DISCRETE ELECTRODE SECTIONS THEREON A PREFORMED INSULATOR SHEET OF A LOW DIELECTRIC CONSTANT ORGANIC THERMOPLASTIC MATERIAL HAVING APERTURES OVERLYING RESPECTIVE ONES OF SAID ELECTRODE SECTIONS, APPLYING ELECTRICALLY CONDUCTIVE LEADS OVER THE SAID PLASTIC INSULATOR SHEET TO EXTEND FLATWISE THEREACROSS FROM THE EDGE THEREOF INTO ELECTRICAL CONTACT WITH RESPECTIVE ONES OF SAID ELECTRODE SECTIONS THROUGH THE SAID APERTURES IN THE INSULATOR SHEET, AND APPLYING A LIGHT-TRANSMITTING ELECTRICALLY CONDUCTIVE FRONT ELECTRODE LAYER TO THE OTHER SIDE OF SAID PHOSPHOR-CONTAINING SHEET.

References Cited (Backward Citations)

US2133221A Cited
US2981877A Cited
US3252845A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-18 1971-03-20 1971-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-18 1975-03-20 1975-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-18 1979-03-20 1979-09-19 $7700.00 Window Closed / Lapsed

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