US2933602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating visible light by photo-electroluminescence
Assignee: EIDP Inc
•
Filing: 1955-10-10
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Granted: 1960-04-19
•
Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph L Gillson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:17
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN APPARATUS FOR GENERATING VISIBLE LIGHT WHICH COMPRISES A LIGHT-GENERATING MEMBER CONTAINING PARTICLES OF ZINC SULFIDE ACTIVATED WITH0.005% TO 0.5% OF MANGANESE AND DISPERSED IN A LIGHT-TRANSPARENT DIELECTRIC MEDIUM, AN ELECTRICALLY CONDUCTIVE LIGHT-RANSPARENT MEMBER ADJACENT TO ONE FACE OF SAID LIGHT-GENERATING MEMBER, AN ELECTRICALLY CONDUCTIVE MEMBER ADJACENT TO THE OTHER FACE OF SAID LIGHT-GENERATING MEMBER, A SOURCE OF ELECTROMAGNETIC RADIATION IN THE ULTRA-VIOLET-X-RAY RANGE FOR DIRECTING RADIATION ONTO SAID LIGHT-GENERATING MEMBER WITH RESULTANT ENERGIZING OF SAID PARTICLES TO EMIT VISIBLE LIGHT, AND ELECTRICAL MEANS FOR SIMULTANEOUSLY IMPRESSING AN ELECTRICAL FIELD BETWEEN SAID CONDUCTIVE MEMBER TO EXCITE SAID PARTICLES, WHEREBY THE INTENSITY OF THE EMITTED LIGHT IS GREATLY INCREASED.
Claim 2
Independent Claim
108 words
AN APPARATUS FOR GENERATING VISIBLE LIGHT WHICH COMPRISES A LIGHT-GENERATING MEMBER CONTAINING PARTICLES OF ZINC SULFIDE ACTIVATED WITH0.005% TO 0.5% OF MANGANESE AND DISPERSED IN A LIGHT-TRANSPARENT DIELECTRIC MEDIUM, AN ELECTRICALLY CONDUCTIVE LIGHT-RANSPARENT MEMBER ADJACENT TO ONE FACE OF SAID LIGHT-GENERATING MEMBER, AN ELECTRICALLY CONDUCTIVE MEMBER ADJACENT TO THE OTHER FACE OF SAID LIGHT-GENERATING MEMBER, A SOURCE OF ELECTROMAGNETIC RADIATION IN THE ULTRA-VIOLET-X-RAY RANGE FOR DIRECTING RADIATION ONTO SAID LIGHT-GENERATING MEMBER WITH RESULTANT ENERGIZING OF SAID PARTICLES TO EMIT VISIBLE LIGHT, AND ELECTRICAL MEANS FOR SIMULTANEOUSLY IMPRESSING AN ELECTRICAL FIELD BETWEEN SAID CONDUCTIVE MEMBER TO EXCITE SAID PARTICLES, WHEREBY THE INTENSITY OF THE EMITTED LIGHT IS GREATLY INCREASED.
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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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |