US5075790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for orienting liquid crystal display element by rubbing
Assignee: Onanovich Group AG LLC
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Filing: 1990-09-17
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Granted: 1991-12-24
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Expires: 2010-09-17
Abstract
Abstract Disclosed is a method for orienting and processing a liquid cristal display element by rubbing, comprising: forming an orienting film for covering a transparent electrode on a substrate, thereafter rotating on the substrate a roller having a rubbing material wound on the outer peripheral surface thereof with a number of fibers stood upright, and therby rubbing the orienting film with the fibers. The upright direction of the fibers with respect to the outer peripheral surface of the roller is inclined in the rotational direction of the roller.
Inventors
- 👤 Yuzo Hayashi
- 👤 Tetuo Shiraiwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:36
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1337; G02F1/13378; G02F1/133784
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
A method for orienting a liquid crystal display element by rubbing, comprising: forming an orienting film for covering a transparent electrode on a substrate; rotating on said substrate a roller having a rubbing material wound on the outer peripheral surface thereof with a number of fibers standing in an upright direction; and rubbing said orienting film with said fibers, wherein the upright direction of said fibers with respect to the outer peripheral surface of said roller is inclined in a rotational direction of said roller.
Claim 2
Independent Claim
85 words
A method for orienting a liquid crystal display element by rubbing, comprising: forming an orienting film for covering a transparent electrode on a substrate; rotating on said substrate a roller having a rubbing material wound on the outer peripheral surface thereof with a number of fibers standing in an upright direction; and rubbing said orienting film with said fibers, wherein the upright direction of said fibers with respect to the outer peripheral surface of said roller is inclined in a rotational direction of said roller.
Claim 3
Dependent Claim
12 words
The method according to claim 1, wherein said fibers comprise rayon fibers.
References Cited (Backward Citations)
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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) | 1994-12-23 | 1995-06-24 | 1995-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-23 | 1999-06-24 | 1999-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-23 | 2003-06-24 | 2003-12-24 | $7700.00 | Window Closed / Lapsed |