US3117232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device having a photo-sensitive layer and an electro-luminescent alyer associated with one another
Assignee: US Philips Corp
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Filing: 1957-09-04
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Granted: 1964-01-07
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Expires: 1977-09-04
Abstract
No abstract record available.
Inventors
- 👤 Diemer Gesinus
- 👤 Joormann Hendrik Jacobus Maria
- 👤 Johannes Gerrit Van Santen
- 👤 Boter Pieter Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:09
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H10; H10F; H10F55/00; H10F55/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DISPLAY DEVICE COMPRISING A TRANSPARENT SUPPORT, A FIRST TRANSPARENT ELECTRODE ON SAID SUPPORT, A LAYER OF ELECTROLUMINESCENT MATERIAL ON SAID FIRST ELECTRODE, A PLURALITY OF SUBSTANTIALLY PARALLEL, UPSTANDING, INSULATING MEMBERS MOUNTED OVER AND SUPPORTED BY SAID ELECTROLUMINESCENT LAYER AND DEFINING THEREBETWEEN A PLURALITY OF OUTWARDLY-OPENING GENERALLY V-SHAPED GROOVES SEPARATING THE INSULATING MEMBERS, A SINGLE CONTINUOUS SUBSTANTIALLY UNIFORMLY-THICK DEPOSITED LAYER OF PHOTOSENSITIVE MATERIAL EXTENDING OVER AND SUPPORTED ON SAID INSULATING MEMBERS AND EXTENDING INSIDE THE GROOVES ADJACENT THE ELECTRO-LUMINESCENT LAYER TO FORM AN UNDULATING BODY, AND SECOND ELECTRODE MEANS ASSOCIATED WITH THE PEAKS OF THE UNDULATING BODY OF PHOTOSENSITIVE MATERIAL REMOTE FROM THE ELECTRO-LUMINESCENT LAYER.
Claim 2
Dependent Claim
105 words
A DISPLAY DEVICE COMPRISING A TRANSPARENT SUPPORT, A FIRST TRANSPARENT ELECTRODE ON SAID SUPPORT, A LAYER OF ELECTROLUMINESCENT MATERIAL ON SAID FIRST ELECTRODE, A PLURALITY OF SUBSTANTIALLY PARALLEL, UPSTANDING, INSULATING MEMBERS MOUNTED OVER AND SUPPORTED BY SAID ELECTROLUMINESCENT LAYER AND DEFINING THEREBETWEEN A PLURALITY OF OUTWARDLY-OPENING GENERALLY V-SHAPED GROOVES SEPARATING THE INSULATING MEMBERS, A SINGLE CONTINUOUS SUBSTANTIALLY UNIFORMLY-THICK DEPOSITED LAYER OF PHOTOSENSITIVE MATERIAL EXTENDING OVER AND SUPPORTED ON SAID INSULATING MEMBERS AND EXTENDING INSIDE THE GROOVES ADJACENT THE ELECTRO-LUMINESCENT LAYER TO FORM AN UNDULATING BODY, AND SECOND ELECTRODE MEANS ASSOCIATED WITH THE PEAKS OF THE UNDULATING BODY OF PHOTOSENSITIVE MATERIAL REMOTE FROM THE ELECTRO-LUMINESCENT LAYER.
References Cited (Backward Citations)
US2837661A
Cited
US2875350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |