Patent US4636038A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4636038A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric circuit member and liquid crystal display device using said member

Assignee: Canon Inc
•
Filing: 1984-07-06
•
Granted: 1987-01-13
•
Expires: 2004-07-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An electric circuit member comprises a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array and an organic insulating layer formed over said inorganic insulating layer.

Inventors

  • 👤 Nobuko Kitahara
  • 👤 Osamu Takamatsu
  • 👤 Tetsuya Kaneko
  • 👤 Masao Sugata

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:03
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/133345; G02F1/136; G02F1/1362; G02F1/1368; G02F1/1335; G02F1/133509; G02F1/133512

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 37 words
An electric circuit member comprising a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array and an organic insulating layer formed over said inorganic insulating layer.
Claim 2
Dependent Claim 37 words
An electric circuit member comprising a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array and an organic insulating layer formed over said inorganic insulating layer.
Claim 3
Dependent Claim 36 words
An electric circuit member according to claim 1, wherein the semiconductor layer constituting said thin film transistor is made of a material selected from the group consisting of at least Si, CdS, CdSe, CdTe and Te.
Claim 4
Dependent Claim 23 words
An electric circuit member according to claim 1, wherein the semiconductor layer constituting said thin film transistor is made of an amorphous material.
Claim 5
Dependent Claim 23 words
An electric circuit member according to claim 1, wherein the semiconductor layer constituting said thin film transistor is made of a microcrystalline material.
Claim 6
Dependent Claim 23 words
An electric circuit member according to claim 1, wherein the semiconductor layer constituting said thin film transistor is made of a polycrystalline material.
Claim 7
Dependent Claim 32 words
An electric ciruit member according to claim 1, wherein the semiconcuctor layer constituting said thin film transistor is made of amorphous silicon and said amorphous silicon contains hydrogen atoms and/or halogen atoms.
Claim 8
Dependent Claim 42 words
An electric circuit member according to claim 1, wherein the semiconductor layer constituting said thin film transistor is made of amorphous silicon and said amorphous silicon contains hydrogen atoms and/or halogen atoms in a total amount of 0.01 to 40 atomic %.
Claim 9
Dependent Claim 36 words
An electric circuit member according to claim 1, wherein said organic insulating layer is formed using a material selected from the group consisting of a thermosetting resin, a thermoplastic resin and a synthetic rubber type resin.
Claim 10
Dependent Claim 21 words
An electric circuit member according to claim 1, wherein the thickness of said organic insulating layer is 500 to 3000 Å.
Claim 11
Dependent Claim 21 words
An electric circuit member according to claim 1, wherein the thickness of said inorganic insulating layer is 500 to 3000 Å.
Claim 12
Dependent Claim 68 words
A liquid crystal display device comprising a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array, an organic insulating layer formed over said inorganic insulating layer and shading means for shading light to which said thin film transistor is sensitive, the surface part of said organic insulating layer in contact with liquid crystal having an orienting property.
Claim 13
Dependent Claim 68 words
A liquid crystal display device comprising a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array, an organic insulating layer formed over said inorganic insulating layer and shading means for shading light to which said thin film transistor is sensitive, the surface part of said organic insulating layer in contact with liquid crystal having an orienting property.
Claim 14
Dependent Claim 34 words
A device according to claim 11, wherein the semiconductor layer constituting said thin film transistor is made of a material selected from the group consisting of at least Si, CdS, CdSe, CdTe and Te.
Claim 15
Dependent Claim 21 words
A device according to claim 11, wherein the semiconductor layer constituting said thin film transistor is made of an amorphous material.
Claim 16
Dependent Claim 21 words
A device according to claim 11, wherein the semiconductor layer constituting said thin film transistor is made of a microcrystalline material.
Claim 17
Dependent Claim 21 words
A device according to claim 11, wherein the semiconductor layer constituting said thin film transistor is made of a polycrystalline material.
Claim 18
Dependent Claim 30 words
A device according to claim 11, wherein the semiconductor layer constituting said thin film transistor is made of amorphous silicon and said amorphous silicon contains hydrogen atoms and/or halogen atoms.
Claim 19
Dependent Claim 40 words
A device according to claim 11, wherein the semiconductor layer constituting said thin film transistor is made of amorphous silicon and said amorphous silicon contains hydrogen atoms and/or halogen atoms in a total amount of 0.01 to 40 atomic %.
Claim 20
Dependent Claim 34 words
A device according to claim 11, wherein said organic insulating layer is formed using a material selected from the group consisting of a thermosetting resin, a thermoplastic resin and a synthetic rubber type resin.
Claim 21
Dependent Claim 19 words
A device according to claim 11, wherein the thickness of said organic insulating layer is 500 to 3000 Å.
Claim 22
Dependent Claim 19 words
A device according to claim 11, wherein the thickness of said inorganic insulating layer is 500 to 3000 Å.
Claim 23
Dependent Claim 71 words
A liquid crystal display device comprising a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array, an organic insulating layer formed over said inorganic insulating layer, shading means for shading light to which said thin film transistor is sensitive and an orienting layer formed over at least the surface portion of said organic insulating layer situated at the display region.
Claim 24
Dependent Claim 71 words
A liquid crystal display device comprising a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array, an organic insulating layer formed over said inorganic insulating layer, shading means for shading light to which said thin film transistor is sensitive and an orienting layer formed over at least the surface portion of said organic insulating layer situated at the display region.
Claim 25
Dependent Claim 34 words
A device according to claim 21, wherein the semiconductor layer constituting said thin film transistor is made of a material selected from the group consisting of at least Si, CdS, CdSe, CdTe and Te.
Claim 26
Dependent Claim 21 words
A device according to claim 21, wherein the semiconductor layer constituting said thin film transistor is made of an amorphous material.
Claim 27
Dependent Claim 21 words
A device according to claim 21, wherein the semiconductor layer constituting said thin film transistor is made of a microcrystalline material.
Claim 28
Dependent Claim 21 words
A device according to claim 21, wherein the semiconductor layer constituting said thin film transistor is made of a polycrystalline material.
Claim 29
Dependent Claim 30 words
A device according to claim 21, wherein the semiconductor layer constituting said thin film transistor is made of amorphous silicon and said amorphous silicon contains hydrogen atoms and/or halogen atoms.
Claim 30
Dependent Claim 40 words
A device according to claim 21, wherein the semiconductor layer constituting said thin film transistor is made of amorphous silicon and said amorphous silicon contains hydrogen atoms and/or halogen atoms in a total amount of 0.01 to 40 atomic %.
Claim 31
Dependent Claim 34 words
A device according to claim 21, wherein said organic insulating layer is formed using a material selected from the group consisting of a thermosetting resin, a thermoplastic resin and a synthetic rubber type resin.
Claim 32
Dependent Claim 19 words
A device according to claim 21, wherein the thickness of said organic insulating layer is 500 to 3000 Å.
Claim 33
Dependent Claim 19 words
A device according to claim 21, wherein the thickness of said inorganic insulating layer is 500 to 3000 Å.

References Cited (Backward Citations)

US4252414A Cited
US4448491A Cited
JPS5862622A Cited
US4568149A Cited
US4568149B1 Cited
US4568149C1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-01-12 1990-07-14 1991-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-01-12 1994-07-14 1995-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-01-12 1998-07-14 1999-01-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag