US5212575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Functional substrate for controlling pixels
Assignee: Canon Inc
•
Filing: 1989-08-28
•
Granted: 1993-05-18
•
Expires: 2009-08-28
Abstract
Abstract A functional substrate for controlling pixels, comprising; a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) an opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed between two stripe-shaped transparent conductive films adjacent to each other; and e) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Inventors
- 👤 Makoto Kojima
- 👤 Yutaka Inaba
- 👤 Tatsuo Murata
- 👤 Hideaki Takao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:45
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133509; G02F1/133514; G02F1/133516; G02F1/1343; G02F1/134309; G02F1/134336; G02F1/133512; G02F1/13439; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
97 words
A functional substrate for controlling pixels, comprising: a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) a strip-shaped opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed so as to cover a gap formed between two stripe-shaped transparent conductive films adjacent to each other; and e) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Claim 2
Dependent Claim
97 words
A functional substrate for controlling pixels, comprising: a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) a strip-shaped opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed so as to cover a gap formed between two stripe-shaped transparent conductive films adjacent to each other; and e) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Claim 3
Dependent Claim
22 words
The functional substrate according to claim 1, wherein said opaque conductive film is a film formed of a metal or an alloy.
Claim 4
Dependent Claim
21 words
The functional substrate according to claim 1, wherein said opaque conductive film has a thickness of not less than 0.5 μm.
Claim 5
Dependent Claim
31 words
The functional substrate according to claim 1, wherein said insulating film has a film thickness set to be not less than 1.5 times the film thickness of said opaque conductive film.
Claim 6
Dependent Claim
30 words
The functional substrate according to claim 1, wherein said stripe-shaped transparent conductive film is provided thereon with a film having been applied with a treatment for orienting liquid crystal molecules.
Claim 7
Dependent Claim
35 words
The functional substrate according to claim 5, wherein said stripe-shaped transparent conductive film is provided thereon with a film having been applied with a treatment for orienting liquid crystal molecules, interposing an additional insulating film.
Claim 8
Dependent Claim
43 words
The functional substrate according to claim 5, wherein said film having been applied with a treatment for orienting liquid crystal molecules is a film, which is subjected to a rubbing treatment on the surface of a film formed of an organic insulating material.
Claim 9
Dependent Claim
118 words
A functional substrate for controlling pixels, comprising: a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) a stripe-shaped opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed so as to cover a gap formed between two stripe-shaped transparent conductive films adjacent to each other; e) a color filter covered with said insulating film and disposed at a position corresponding with said stripe-shaped transparent conductive film; and f) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Claim 10
Dependent Claim
118 words
A functional substrate for controlling pixels, comprising: a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) a stripe-shaped opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed so as to cover a gap formed between two stripe-shaped transparent conductive films adjacent to each other; e) a color filter covered with said insulating film and disposed at a position corresponding with said stripe-shaped transparent conductive film; and f) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Claim 11
Dependent Claim
22 words
The functional substrate according to claim 8, wherein said opaque conductive film is a film formed of a metal or an alloy.
Claim 12
Dependent Claim
21 words
The functional substrate according to claim 8, wherein said opaque conductive film has a thickness of not less than 0.5 μm.
Claim 13
Dependent Claim
31 words
The functional substrate according to claim 8, wherein said insulating film has a film thickness set to be not less than 1.5 times the film thickness of said opaque conductive film.
Claim 14
Dependent Claim
30 words
The functional substrate according to claim 8, wherein said stripe-shaped transparent conductive film is provided thereon with a film having been applied with a treatment for orienting liquid crystal molecules.
Claim 15
Dependent Claim
35 words
The functional substrate according to claim 12, wherein said stripe-shaped transparent conductive film is provided thereon with a film having been applied with a treatment for orienting liquid crystal molecules, interposing an additional insulating film.
Claim 16
Dependent Claim
43 words
The functional substrate according to claim 12, wherein said film having been applied with a treatment for orienting liquid crystal molecules is a film, which is subjected to a rubbing treatment on the surface of a film formed of an organic insulating material.
Claim 17
Dependent Claim
147 words
A functional substrate for controlling pixels, comprising: a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) a color filter having a film thickness covered with said insulating film and disposed at a position corresponding with said stripe-shaped transparent conductive film; and e) a stripe-shaped opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed so as to cover a gap formed between two stripe-shaped transparent conductive films adjacent to each other, wherein the film thickness of said color filter is set to be not more than twice the film thickness of said opaque conductive film; and f) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Claim 18
Dependent Claim
147 words
A functional substrate for controlling pixels, comprising: a) a substrate; b) an insulating film provided on said substrate; c) a stripe-shaped transparent conductive film provided in plurality on said insulating film; d) a color filter having a film thickness covered with said insulating film and disposed at a position corresponding with said stripe-shaped transparent conductive film; and e) a stripe-shaped opaque conductive film covered with said insulating film, arranged in parallel to said stripe-shaped transparent conductive film, and disposed so as to cover a gap formed between two stripe-shaped transparent conductive films adjacent to each other, wherein the film thickness of said color filter is set to be not more than twice the film thickness of said opaque conductive film; and f) a contact area at which one of said two stripe-shaped transparent conductive films adjacent to each other and said opaque conductive film are electrically connected.
Claim 19
Dependent Claim
32 words
The functional substrate according to claim 15, wherein said color microfilter has a film thickness set to be from 0.5 time to 1.5 times the film thickness of said opaque conductive film.
Claim 20
Dependent Claim
32 words
The functional substrate according to claim 15, wherein said color filter has a film thickness set to be from 0.8 time to 1.2 times the film thickness of said opaque conductive film.
References Cited (Backward Citations)
US4367924A
Cited
US4383017A
Cited
JPS60129707A
Cited
US4639089A
Cited
US4867537A
Cited
JPS6214622A
Cited
JPS6290625A
Cited
US4728176A
Cited
US4712874A
Cited
JPS62212603A
Cited
US4802743A
Cited
JPS6360425A
Cited
US4917471A
Cited
US4853296A
Cited
JPS63226626A
Cited
JPS63241522A
Cited
JPS63273834A
Cited
JPS63314521A
Cited
US4988168A
Cited
JPS6419425A
Cited
US4934791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-05-17 | 1996-11-16 | 1997-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-05-17 | 2000-11-16 | 2001-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-05-17 | 2004-11-16 | 2005-05-18 | $7700.00 | Window Closed / Lapsed |