Patent US4227777A successfully refreshed from Google Patents.
US4227777A
Expired / Lapsed
US
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Liquid crystal display cell
Assignee: Citizen Watch Co Ltd
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Filing: 1978-01-31
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Granted: 1980-10-14
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Expires: 1998-01-31
Abstract
Abstract In a liquid crystal display cell having an upper polarizing plate and at least two lower polarizing plates each of a different color, with the liquid crystal display portion being divided into display segment blocks of different colors, a structure of a multicolor liquid crystal display cell characterized in that a non-transparent member is integrally disposed on a transparent member that is used to construct the liquid crystal display cell and stacked on the boundary line between colors of adjacent display segment blocks so as to cover said boundary line.
Inventors
- 👤 Tomomi Murakami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:02
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133528; G02F1/133533; G04; G04G; G04G9/00; G04G9/08; G04G9/12; G04G9/126; G09; G09F; G09F9/00; G09F9/30; G09F9/35
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
171 words
A multicolor liquid crystal display cell comprising: a lower glass plate; an upper glass plate stacked above and secured to said lower glass plate in spaced relationship with respect to one another; an upper polarizing plate attached to said upper glass plate and covering a surface portion thereof; at least two lower polarizing plates each of a different color and attached to said lower glass plate and covering different surface portions thereof; and a thin layer of non-transparent material integrally formed on said upper polarizing plate at a position over and along a boundary line between said two lower polarizing plates to cover said boundary line, said thin layer comprising a printed paint layer and dividing a display surface of said display cell defined at the upper surface of said upper polarizing plate into first and second display blocks composed of a time display block and a function mode display block, respectively, and said thin layer including a plurality of characters idicating the display contents of said function mode display block.
Claim 2
Dependent Claim
171 words
A multicolor liquid crystal display cell comprising: a lower glass plate; an upper glass plate stacked above and secured to said lower glass plate in spaced relationship with respect to one another; an upper polarizing plate attached to said upper glass plate and covering a surface portion thereof; at least two lower polarizing plates each of a different color and attached to said lower glass plate and covering different surface portions thereof; and a thin layer of non-transparent material integrally formed on said upper polarizing plate at a position over and along a boundary line between said two lower polarizing plates to cover said boundary line, said thin layer comprising a printed paint layer and dividing a display surface of said display cell defined at the upper surface of said upper polarizing plate into first and second display blocks composed of a time display block and a function mode display block, respectively, and said thin layer including a plurality of characters idicating the display contents of said function mode display block.
Claim 3
Dependent Claim
26 words
A multicolor liquid crystal display cell according to claim 1, in which said function mode display block has means defining a plurality of function indicating marks.
Claim 4
Dependent Claim
58 words
A multicolor liquid crystal display cell according to claim 2, in which said thin layer comprises a strip extending along said boundary line, and a plurality of spaced segments laterally extending from said strip and sub-dividing said function mode display block and defining a plurality of spaces in which said plurality of fuction indicating marks are disposed respectively.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |