Patent US5045418A successfully refreshed from Google Patents.
US5045418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode plate for display device and method for preparation thereof
Assignee: Toppan Inc
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Filing: 1989-01-30
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Granted: 1991-09-03
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Expires: 2009-01-30
Abstract
Abstract An electrode plate for a display device is here disclosed which is characterized in that a protective material of elements constituting the electrode plate which is to be patterned comprises a novolak type epoxy resin into which a photosensitive group and a group to make the resin alkaline liquid-soluble are introduced. The protective material can be applied to a color filter coating layer on a color filter.
Inventors
- 👤 Kenzo Fukuyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:32
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/133345; G02F1/1335; G02F1/133509; G02F1/133514
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
67 words
A protected electrode plate for a display device comprising elements constituting said electrode plate and a protective material for elements constituting said electrode plate which is to be patterned comprising a novolak epoxy resin into which a photosensitive group and a group to make said resin alkaline liquid-soluble were introduced and wherein said protected electrode plate is applied to a color filter coating layer on said elements.
Claim 2
Dependent Claim
67 words
A protected electrode plate for a display device comprising elements constituting said electrode plate and a protective material for elements constituting said electrode plate which is to be patterned comprising a novolak epoxy resin into which a photosensitive group and a group to make said resin alkaline liquid-soluble were introduced and wherein said protected electrode plate is applied to a color filter coating layer on said elements.
Claim 3
Dependent Claim
29 words
The electrode plate for a display device according to claim 1 wherein the thickness of said color filter coating layer is in the range of 0.02 to 5 μm.
Claim 4
Dependent Claim
64 words
The electrode plate for a display device according to claim 1 wherein said color filter coating layers are composed of a color filter coating layer comprising a novolak epoxy resin into which a photosensitive group and a group to make said resin alkaline liquid-soluble were introduced and a color filter coating layer comprising a polypeptide resin, and said color filter comprises said polypeptide resin.
Claim 5
Dependent Claim
62 words
The electrode plate for a display device according to claim 3 wherein said color filter comprises said polypeptide resin, the thickness of said color filter coating layer comprising said polypeptide resin is in the range of 0.02 to 5 μm, and the thickness of said color filter coating layer comprising said novolak epoxy resin in the range of 0.02 to 5 μm.
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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) | 1994-09-02 | 1995-03-04 | 1995-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-02 | 1999-03-04 | 1999-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-02 | 2003-03-04 | 2003-09-03 | $7700.00 | Window Closed / Lapsed |