US5278682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a liquid crystal display with recovery electrodes under the sealant
Assignee: Mitsubishi Electric Corp
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Filing: 1993-01-08
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Granted: 1994-01-11
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Expires: 2013-01-08
Abstract
Abstract A matrix-addressed type liquid crystal display device includes a display element conductor pattern deposited on a matrix-addressed substrate and effects display by storing charges into liquid crystal held at the space between the matrix-addressed substrate and an opposing substrate by using a voltage supplied through the display element conductor pattern. The matrix-addressed type liquid crystal display device has a recovery conductor pattern for preventing a line-shape defect in a screen due to a breakage in the display element conductor pattern. The recovery electrode is located below the sealing material. The opposing substrate and the matrix-addressed substrate are aligned with each other at one side thereof, and an inlet for liquid crystal is provided at this aligned side. Liquid crystal is fed into the space between the matrix-addressed substrate and the opposing substrate from a liquid crystal reservoir through the inlet without immersing the substrates in the liquid crystal reservoir.
Inventors
- 👤 Kenichi Niki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:27
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1345; G02F1/1306; G02F1/1309; G02F1/136; G02F1/1362; G02F1/136259; G02F1/136263; G02F1/136272
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
252 words
A method of manufacturing a matrix-addressed type liquid crystal display device, comprising the steps of: (a) forming a display element conductor pattern on a matrix addressed substrate, said display element conductor pattern being composed of a plurality of data electrodes spaced from each other in parallel and plurality of scanning electrodes spaced from each other in parallel and positioned at a right angle relative to said data electrodes; (b) forming a dielectric layer over said matrix addressed substrate, said dielectric layer being adapted to effect insulation between said data electrodes and said scanning electrodes and between said data electrodes and a recovery conductor pattern; (c) placing an opposing substrate on said matrix addressed substrate parallel to each other with at least one side thereof aligned with one counterpart side of said matrix-addressed substrate as viewed from right above said matrix-addressed substrate; (d) placing said recovery conductor pattern on said matrix addressed substrate to cross said display element conductor pattern at a right angle and located in a peripheral region to be covered by a sealing material; (e) attaching said opposing substrate to said matrix-addressed substrate by applying said sealing material to said peripheral region of said substrates, thereby sealing said peripheral region of said substrates except an inlet provided at a given position along said side aligned with said counterpart side of said matrix-addressed substrate; and (f) filling liquid crystal into a space between said matrix-addressed substrate and said opposing substrate through said inlet without immersing said substrates in said liquid crystal.
Claim 2
Independent Claim
252 words
A method of manufacturing a matrix-addressed type liquid crystal display device, comprising the steps of: (a) forming a display element conductor pattern on a matrix addressed substrate, said display element conductor pattern being composed of a plurality of data electrodes spaced from each other in parallel and plurality of scanning electrodes spaced from each other in parallel and positioned at a right angle relative to said data electrodes; (b) forming a dielectric layer over said matrix addressed substrate, said dielectric layer being adapted to effect insulation between said data electrodes and said scanning electrodes and between said data electrodes and a recovery conductor pattern; (c) placing an opposing substrate on said matrix addressed substrate parallel to each other with at least one side thereof aligned with one counterpart side of said matrix-addressed substrate as viewed from right above said matrix-addressed substrate; (d) placing said recovery conductor pattern on said matrix addressed substrate to cross said display element conductor pattern at a right angle and located in a peripheral region to be covered by a sealing material; (e) attaching said opposing substrate to said matrix-addressed substrate by applying said sealing material to said peripheral region of said substrates, thereby sealing said peripheral region of said substrates except an inlet provided at a given position along said side aligned with said counterpart side of said matrix-addressed substrate; and (f) filling liquid crystal into a space between said matrix-addressed substrate and said opposing substrate through said inlet without immersing said substrates in said liquid crystal.
Claim 3
Dependent Claim
40 words
A method according to claim 1, wherein said liquid crystal is filled in a liquid crystal reservoir previously, and said filled liquid crystal is then poured into the space between said matrix-addressed substrate and said opposing substrate through said inlet.
Claim 4
Dependent Claim
34 words
A method according to claim 2, wherein said liquid crystal is filled in said liquid crystal reservoir so as to stand up from the brim of said liquid crystal reservoir due to surface tension.
Claim 5
Dependent Claim
35 words
A method according to claim 8, wherein said liquid crystal is poured from a single liquid crystal reservoir into a plurality of pairs of said matrix-addressed substrate and said opposing substrate through each inlet thereof.
Claim 6
Dependent Claim
34 words
A method according to claim 4, wherein said liquid crystal is filled into said liquid crystal reservoir so as to stand up from the brim of said liquid crystal reservoir due to surface tension.
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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) | 1997-01-10 | 1997-07-12 | 1998-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-10 | 2001-07-12 | 2002-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-10 | 2005-07-12 | 2006-01-11 | $7700.00 | Window Closed / Lapsed |