← Back to Patent Explorer
US4853296A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrode plate for color display device

Assignee: Toppan Inc
•
Filing: 1987-10-21
•
Granted: 1989-08-01
•
Expires: 2007-10-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract There is proposed an electrode plate for a color display device such as a liquid crystal display device, which comprises a transparent substrate, a color filter disposed on the substrate, a transparent electrode formed on the color filter, and a metal conductor containing nickel and formed on the transparent electrode. The metal conductor may be a multi-layer structure wherein one of the layers is a nickel of a nickel alloy layer.

Inventors

  • 👤 Kenzo Fukuyoshi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:56
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/13439; G02F1/133345; G02F1/1335; G02F1/133509; G02F1/133514; G02F1/1345; C; C09; C09K; C09K2323/00; C09K2323/04; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12556; Y10T428/12569; Y10T428/12597; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12944

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 42 words
An electrode plate for a color display device, comprising a transparent substrate, a color filter formed on said substrate, a transparent electrode formed on said color filter, and a metal conductor formed on said transparent electrode and at least partly containing nickel.
Claim 2
Dependent Claim 42 words
An electrode plate for a color display device, comprising a transparent substrate, a color filter formed on said substrate, a transparent electrode formed on said color filter, and a metal conductor formed on said transparent electrode and at least partly containing nickel.
Claim 3
Dependent Claim 14 words
The electrode plate according to claim 1, wherein said metal conductor consists of nickel.
Claim 4
Dependent Claim 24 words
The electrode plate according to claim 1, wherein said metal conductor consists of a plurality of layers, one of said layers consisting of nickel.
Claim 5
Dependent Claim 46 words
The electrode plate according to claim 3, wherein said metal conductor is a two-layer structure, the material of one of said layers including a member of a group consisting of chromium, molybdenum, tungsten, and titanium, and the material of the other of said layers including nickel.
Claim 6
Dependent Claim 24 words
The electrode plate according to claim 4, wherein said metal conductor has a two-layer structure consisting of a chromium layer and a nickel layer.
Claim 7
Dependent Claim 16 words
The electrode plate according to claim 1, wherein said metal conductor consists of a nickel alloy.
Claim 8
Dependent Claim 42 words
The electrode plate according to claim 6, wherein said metal conductor consists of a nickel alloy containing 0.1 to 25% by weight of at least one member of a group consisting of aluminum, chromium, titanium, molybdenum, zirconium, magnesium, silicon, tantalum, and tungsten.
Claim 9
Dependent Claim 26 words
The electrode plate according to claim 1, wherein said metal conductor consists of a plurality of layers, on of said layers consisting of a nickel alloy.
Claim 10
Dependent Claim 48 words
The electrode plate according to claim 1, wherein said metal conductor is a two-layer structure, the material of one of said layers including a member of a group consisting of chromium, molybdenum, tungsten, and titanium, and the material of the other of said layers including a nickel alloy.
Claim 11
Dependent Claim 25 words
The electrode plate according to claim 9, wherein said metal conductor has a two-layer structure consisting of a chromium layer and a nickel alloy layer.
Claim 12
Dependent Claim 54 words
The electrode plate according to claim 1, wherein said metal conductor has a three-layer structure consisting of a layer of a member of a group consisting of chromium, molybdenum, tungsten, titanium, and alloys of these elements, a layer of a member of a group consisting of aluminum and aluminum alloys, and a nickel layer.
Claim 13
Dependent Claim 27 words
The electrode plate according to claim 11, wherein said metal conductor has a three-layer structure consisting of a chromium layer, an aluminum layer, and a nickel layer.
Claim 14
Dependent Claim 21 words
The electrode plate according to claim 1, further including an overcoat layer interposed between said color filter and said transparent electrode.
Claim 15
Dependent Claim 34 words
The electrode plate according to claim 13, wherein said overcoat layer between said color filter and said transparent electrode has a two-layer structure consisting of an organic material layer and an inorganic material layer.
Claim 16
Dependent Claim 65 words
The electrode plate according to claim 14, wherein said overcoat layer has a two-layer structure consisting of an organic thin film of a member of a group consisting of peptide resin and epoxy, polyimide, polyamide, and polyetheramide resins incorporating imide groups, and an inorganic thin film of a member of a group consisting of silicon oxide, magnesium oxide, aluminum oxide, and mixtures of these oxides.
Claim 17
Dependent Claim 31 words
The electrode plate according to claim 1, wherein terminal sections of said metal conductor are coated with a member of a group consisting of gold, aluminum, copper, tin, and solder alloys.
Claim 18
Dependent Claim 42 words
The electrode plate according to claim 1, wherein said metal conductor has a comb-like shape, and the width of the conductor of the comb-like portion is the width of the space between adjacent transparent electrodes plus an allowance for laminating of panels.
Claim 19
Dependent Claim 24 words
The electrode plate according to claim 1, further including a thin metal film for patterning interposed between said transparent substrate and said color filter.
Claim 20
Dependent Claim 19 words
The electrode plate according to claim 18, wherein said thin metal film for patterning is an electromagnetic induction electrode.
Claim 21
Dependent Claim 18 words
The electrode plate according to claim 18, wherein said thin metal film for patterning is a black matrix.
Claim 22
Dependent Claim 35 words
The electrode plate according to claim 1, wherein said metal conductor is led to a common signal line, and a portion where said metal conductor crosses said common signal line has a two-layer wiring construction.
Claim 23
Dependent Claim 30 words
The electrode plate according to claim 21, including an insulating layer between said metal conductor and said common signal line essentially consisting of the same material as said color filter.
Claim 24
Dependent Claim 19 words
The electrode plate according to claim 1, including organic filler interposed between said transparent substrate and said color filter.

References Cited (Backward Citations)

DE3504886A1 Cited
EP0219064A2 Cited
JPH06143727A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-07-31 1993-01-30 1993-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-07-31 1997-01-30 1997-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-07-31 2001-01-30 2001-08-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag