US5745208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical cell of the type comprising two plastic parallel support plates, set apart from each other, carrying electrodes on their faces
Assignee: Asulab AG
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Filing: 1995-10-27
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Granted: 1998-04-28
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Expires: 2015-10-27
Abstract
Abstract In order to avoid any risk of detachment where conductors or current paths are provided through the sealing frame (7) which, with the support plates (1,2) defines a chamber (11) enclosed in a seal tight manner at the centre of the cell, the electrodes (3A, 4) situated inside this chamber are connected to respective electrical contacts (6) by means of strips of conductive adhesive (9) extending from the inside to the outside of the chamber. These strips of adhesive may also be used to connect two electrodes to each other.
Inventors
- 👤 Joachim Grupp
- 👤 Bernard Lemarie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:47
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1345; G02F1/1339
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
154 words
An electrical cell of the type comprising two parallel plastic support plates, set apart from each other, carrying electrodes on their opposite faces, the support plates enclosing between them a layer of sensitive material which can change its physical properties when voltage is applied to the electrodes, said sensitive material being protected from contact with the atmosphere by a sealing frame connecting, in a seal tight manner, peripheral parts of the support plates, the sealing frame comprising electrical paths for electrically connecting the electrodes to the exterior, wherein the electrodes situated inside the sealing frame do not pass through the latter, but are electrically connected to contacts situated outside said frame by means of strips of electrically conductive adhesive fixed to at least one support plate and to the sealing frame, said electrically conductive adhesive extending from the interior towards the exterior of the sealing frame and over the entire width of the latter.
Claim 2
Dependent Claim
154 words
An electrical cell of the type comprising two parallel plastic support plates, set apart from each other, carrying electrodes on their opposite faces, the support plates enclosing between them a layer of sensitive material which can change its physical properties when voltage is applied to the electrodes, said sensitive material being protected from contact with the atmosphere by a sealing frame connecting, in a seal tight manner, peripheral parts of the support plates, the sealing frame comprising electrical paths for electrically connecting the electrodes to the exterior, wherein the electrodes situated inside the sealing frame do not pass through the latter, but are electrically connected to contacts situated outside said frame by means of strips of electrically conductive adhesive fixed to at least one support plate and to the sealing frame, said electrically conductive adhesive extending from the interior towards the exterior of the sealing frame and over the entire width of the latter.
Claim 3
Dependent Claim
22 words
A cell according to claim 1, wherein the electrically conductive adhesive comprises a curable adhesive containing a suitable quantity of metallic particles.
Claim 4
Dependent Claim
13 words
A cell according to claim 2, wherein said metallic particles are silver particles.
Claim 5
Dependent Claim
50 words
A cell according to claim 1, wherein one strip of conductive adhesive is sufficiently thick to extend from one support plate to the other, the sealing frame itself being interrupted at this strip, and adjacent parts of the sealing frame being connected in a seal tight manner to said strip.
Claim 6
Dependent Claim
28 words
An electrical cell as claimed in claim 1 wherein said sensitive material is a material which can change its optical properties when voltage is applied to the electrodes.
Claim 7
Dependent Claim
190 words
An electrical cell of the type comprising two parallel plastic support plates, set apart from each other, carrying electrodes on their opposite faces, the support plates enclosing between them a layer of sensitive material which can change its physical properties, in particular its optical properties, when voltage is applied to the electrodes, or change its electrical properties when a stress is applied to the support plates or radiation passes through one of the latter, said sensitive material being protected from contact with the atmosphere by a sealing frame connecting, in a seal tight manner, the peripheral parts of the support plates, the sealing frame comprising electrical paths for electrically connecting the electrodes to the exterior, wherein the electrodes situated inside the sealing frame do not pass through the latter, but are electrically connected to contacts situated outside said frame by means of strips of electrically conductive adhesive fixed to at least one support plate and to the sealing frame, and wherein one strip of conductive adhesive is of insufficient thickness to extend from one support plate to the other, and the sealing frame itself is not interrupted at said strip.
Claim 8
Dependent Claim
190 words
An electrical cell of the type comprising two parallel plastic support plates, set apart from each other, carrying electrodes on their opposite faces, the support plates enclosing between them a layer of sensitive material which can change its physical properties, in particular its optical properties, when voltage is applied to the electrodes, or change its electrical properties when a stress is applied to the support plates or radiation passes through one of the latter, said sensitive material being protected from contact with the atmosphere by a sealing frame connecting, in a seal tight manner, the peripheral parts of the support plates, the sealing frame comprising electrical paths for electrically connecting the electrodes to the exterior, wherein the electrodes situated inside the sealing frame do not pass through the latter, but are electrically connected to contacts situated outside said frame by means of strips of electrically conductive adhesive fixed to at least one support plate and to the sealing frame, and wherein one strip of conductive adhesive is of insufficient thickness to extend from one support plate to the other, and the sealing frame itself is not interrupted at said strip.
Claim 9
Dependent Claim
148 words
An electrical cell of the type comprising two parallel plastic support plates, set apart from each other, carrying electrodes on their opposite faces, the support plates enclosing between them a layer of sensitive material which can change its electrical properties, said sensitive material being protected from contact with the atmosphere by a sealing frame connecting, in a seal tight manner, the peripheral parts of the support plates, the sealing frame comprising electrical paths for electrically connecting the electrodes to the exterior, wherein the electrodes situated inside the sealing frame do not pass through the latter, but are electrically connected to contacts situated outside said frame by means of strips of electrically conductive adhesive fixed to at least one support plate and to the sealing frame, said electrically conductive adhesive extending from the interior towards the exterior of the sealing frame and over the entire width of the latter.
Claim 10
Dependent Claim
148 words
An electrical cell of the type comprising two parallel plastic support plates, set apart from each other, carrying electrodes on their opposite faces, the support plates enclosing between them a layer of sensitive material which can change its electrical properties, said sensitive material being protected from contact with the atmosphere by a sealing frame connecting, in a seal tight manner, the peripheral parts of the support plates, the sealing frame comprising electrical paths for electrically connecting the electrodes to the exterior, wherein the electrodes situated inside the sealing frame do not pass through the latter, but are electrically connected to contacts situated outside said frame by means of strips of electrically conductive adhesive fixed to at least one support plate and to the sealing frame, said electrically conductive adhesive extending from the interior towards the exterior of the sealing frame and over the entire width of the latter.
Claim 11
Dependent Claim
29 words
An electrical cell as claimed in claim 7 wherein said sensitive material is a material which changes its electrical properties when a stress is applied to the support plates.
Claim 12
Dependent Claim
29 words
An electrical cell as claimed in claim 7 wherein said sensitive material is a material which changes its electrical properties when radiation passes through one of the support plates.
Claim 13
Dependent Claim
18 words
A cell according to claim 7, wherein the electrically conductive adhesive comprises a curable adhesive containing metallic particles.
Claim 14
Dependent Claim
13 words
A cell according to claim 10, wherein the metallic particles are silver particles.
Claim 15
Dependent Claim
50 words
A cell according to claim 7, wherein one strip of conductive adhesive is sufficiently thick to extend from one support plate to the other, the sealing frame itself being interrupted at this strip, and adjacent parts of the sealing frame being connected in a seal tight manner to said strip.
Claim 16
Dependent Claim
36 words
A cell according to claim 7, wherein one strip of conductive adhesive is of insufficient thickness to extend from one support plate to the other, and the sealing frame itself is not interrupted at said strip.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-04-27 | 2001-10-27 | 2002-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-04-27 | 2005-10-27 | 2006-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-04-27 | 2009-10-27 | 2010-04-28 | $7700.00 | Window Closed / Lapsed |