US5164715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color display device
Assignee: Stanley Electric Co Ltd
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Filing: 1990-04-10
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Granted: 1992-11-17
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Expires: 2010-04-10
Abstract
Abstract A color display device comprises a blue color emitting light source consisting of a blue color emitting fluorescent lamp or a white color emitting fluorescent lamp attached with a blue color filter, and a liquid crystal panel for controlling the transmission of the blue color light for every pixel, wherein one end of every optical fiber provided for every pixel is fixed to a position on a fiber board where every blue color signal for every pixel passing through said liquid crystal panel can be incident, and the other end thereof is fixed to a corresponding position on a printed board on which a red color emitting LED and a green color emitting LED are mounted for every pixel, to have a full-color display by controlling the drive of said red color emitting LED, green color emitting LED and liquid crystal panel.
Inventors
- 👤 Houichiro Kashiwabara
- 👤 Ryouichi Akiyama
- 👤 Satoshi Nakagawa
- 👤 Koutaro Yoneda
- 👤 Izumi Funakoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:48
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; G09G3/32; G09F; G09F9/00; G09F9/30; G09F9/33; G09F9/35; G09G3/34; G09G3/36; G09G3/3611; G09G2330/00; G09G2330/02; G09G2330/021
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
132 words
A color display device comprising: a blue color emitting light source consisting of a blue color emitting fluorescent lamp or a white color emitting fluorescent lamp attached with a blue color filter, a liquid crystal panel for controlling a transmission of the blue color light; an optical fiber having a first end positioned on a fiber board where said blue color light, passing through said liquid crystal panel can be incident, said optical fiber having a second end being fixed to a corresponding position on a printed board on which a red color emitting LED and a green color emitting LED are mounted, said printed board being adapted to produce a full-color display by controlling a drive of said red color emitting LED, green color emitting LED, and said liquid crystal panel.
Claim 2
Dependent Claim
132 words
A color display device comprising: a blue color emitting light source consisting of a blue color emitting fluorescent lamp or a white color emitting fluorescent lamp attached with a blue color filter, a liquid crystal panel for controlling a transmission of the blue color light; an optical fiber having a first end positioned on a fiber board where said blue color light, passing through said liquid crystal panel can be incident, said optical fiber having a second end being fixed to a corresponding position on a printed board on which a red color emitting LED and a green color emitting LED are mounted, said printed board being adapted to produce a full-color display by controlling a drive of said red color emitting LED, green color emitting LED, and said liquid crystal panel.
Claim 3
Dependent Claim
37 words
A color display device as claimed in claim 1, wherein the other end of the optical fiber is fixed to a printed board after protruding through said printed board from the back surface to the front surface.
Claim 4
Dependent Claim
20 words
A color display device as claimed in claim 1, wherein the light transmittance of said liquid crystal panel is variable.
Claim 5
Dependent Claim
143 words
A color display device comprising: a blue colored light emitting source; liquid crystal panel means, coupled to said emitting source, for selectively transmitting certain discrete portions of said emitted blue colored light; a plurality of optical fibers, each of said fibers having a first end fixed to a unique position on a fiber board and adapted to receive said certain discrete portions of said blue colored light, each of said plurality of optical fibers further having a second end fixed to a unique and certain position on a printed board on which a plurality of red colored light emitting diodes and a plurality of green colored light emitting diodes are mourned, said printed board being adapted to produce a full-color display for controlling a device of said red colored light emitting diode, said green colored light emitting diodes, and said liquid crystal panel.
Claim 6
Dependent Claim
143 words
A color display device comprising: a blue colored light emitting source; liquid crystal panel means, coupled to said emitting source, for selectively transmitting certain discrete portions of said emitted blue colored light; a plurality of optical fibers, each of said fibers having a first end fixed to a unique position on a fiber board and adapted to receive said certain discrete portions of said blue colored light, each of said plurality of optical fibers further having a second end fixed to a unique and certain position on a printed board on which a plurality of red colored light emitting diodes and a plurality of green colored light emitting diodes are mourned, said printed board being adapted to produce a full-color display for controlling a device of said red colored light emitting diode, said green colored light emitting diodes, and said liquid crystal panel.
Claim 7
Dependent Claim
42 words
a color display device as claimed in claim 4, wherein the second end of each of said plurality of optical fibers is fixed to said printed board after protruding through said printed board from the back surface to the front surface thereof.
Claim 8
Dependent Claim
21 words
A color display device as claimed in claim 4 wherein, said liquid crystal panel means comprises a plurality of pattern electrodes.
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) | 1995-11-17 | 1996-05-18 | 1996-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-17 | 2000-05-18 | 2000-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-17 | 2004-05-18 | 2004-11-17 | $7700.00 | Window Closed / Lapsed |