CA2050393A1 - Afficheur a cristaux liquides a cavite double - Google Patents
Afficheur a cristaux liquides a cavite doubleInfo
- Publication number
- CA2050393A1 CA2050393A1 CA2050393A CA2050393A CA2050393A1 CA 2050393 A1 CA2050393 A1 CA 2050393A1 CA 2050393 A CA2050393 A CA 2050393A CA 2050393 A CA2050393 A CA 2050393A CA 2050393 A1 CA2050393 A1 CA 2050393A1
- Authority
- CA
- Canada
- Prior art keywords
- lcd
- liquid crystal
- areas
- dual cavity
- active
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000009977 dual effect Effects 0.000 title 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 3
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D7/00—Indicating measured values
-
- B60K35/215—
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133374—Constructional arrangements; Manufacturing methods for displaying permanent signs or marks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indicating Measured Values (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/579,616 US5130827A (en) | 1990-09-10 | 1990-09-10 | Display cell having active and passive areas |
US579,616 | 1990-09-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2050393A1 true CA2050393A1 (fr) | 1992-03-11 |
CA2050393C CA2050393C (fr) | 1994-05-31 |
Family
ID=24317630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002050393A Expired - Fee Related CA2050393C (fr) | 1990-09-10 | 1991-08-30 | Afficheur a cristaux liquides a cavite double |
Country Status (4)
Country | Link |
---|---|
US (1) | US5130827A (fr) |
EP (1) | EP0475281A3 (fr) |
CA (1) | CA2050393C (fr) |
IL (1) | IL99319A (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6711694A (en) * | 1993-04-21 | 1994-11-08 | University Of Akron, The | Negative birefringent polyimide films |
US5580950A (en) * | 1993-04-21 | 1996-12-03 | The University Of Akron | Negative birefringent rigid rod polymer films |
US5870156A (en) * | 1996-09-05 | 1999-02-09 | Northern Telecom Limited | Shadow mask for backlit LCD |
US6473220B1 (en) | 1998-01-22 | 2002-10-29 | Trivium Technologies, Inc. | Film having transmissive and reflective properties |
DE19834259A1 (de) * | 1998-07-30 | 2000-02-03 | Meyer Bernd | Anzeigevorrichtung mit Flachbildschirm |
WO2001023841A1 (fr) * | 1999-09-27 | 2001-04-05 | Q-Tag Ag | Appareil de controle destine a controler et afficher des conditions de transport et de stockage critiques |
US7595934B2 (en) | 2002-03-26 | 2009-09-29 | Brilliant Film Llc | Integrated sub-assembly having a light collimating or transflecting device |
US7345824B2 (en) * | 2002-03-26 | 2008-03-18 | Trivium Technologies, Inc. | Light collimating device |
JP2004074871A (ja) * | 2002-08-13 | 2004-03-11 | Kawasaki Heavy Ind Ltd | 車両用表示器 |
TW200506446A (en) * | 2003-05-20 | 2005-02-16 | Trivium Technologies Inc | Devices for use in non-emissive displays |
US7347575B2 (en) | 2004-07-13 | 2008-03-25 | Yazaki North America, Inc. | Vehicle gauge with embedded driver information |
US7427143B1 (en) | 2005-06-30 | 2008-09-23 | Yazaki North America, Inc. | Instrument cluster with three-dimensional display |
US7750821B1 (en) | 2007-03-30 | 2010-07-06 | Yazaki North America, Inc. | System and method for instrument panel with color graphical display |
US7571696B1 (en) | 2007-06-19 | 2009-08-11 | Yazaki North America, Inc. | System and method for analog vehicle gauge with embedded driver information |
US8226253B2 (en) * | 2008-02-27 | 2012-07-24 | Lubart Neil D | Concentrators for solar power generating systems |
DE102009049632A1 (de) * | 2009-03-20 | 2010-09-23 | Johnson Controls Automotive Electronics Gmbh | Anzeigeinstrument |
JP5999411B2 (ja) * | 2012-04-06 | 2016-09-28 | 日本精機株式会社 | 発光表示装置 |
USD720638S1 (en) | 2012-09-13 | 2015-01-06 | Time Timer Llc | Watch face |
DE102016104367B4 (de) * | 2015-03-20 | 2018-05-09 | Visteon Global Technologies, Inc. | Anzeigesystem zur anzeige einer vielzahl von betriebsparametern eines fahrzeuges |
USD830858S1 (en) * | 2017-01-23 | 2018-10-16 | Time Timer Llc | Timer |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1472260A (en) * | 1973-10-29 | 1977-05-04 | Murrell N | Electro optical display system in a time-piece |
CH1283674A4 (fr) * | 1974-09-23 | 1977-02-28 | ||
US4385842A (en) * | 1975-03-10 | 1983-05-31 | Timex Corporation | Electronic timepiece for indicating digital subdivisions of time in a substantially conventional format |
US4077032A (en) * | 1976-01-07 | 1978-02-28 | Volkman S Alan | Electronic display apparatus |
JPS53107483U (fr) * | 1977-02-03 | 1978-08-29 | ||
DE2730069A1 (de) * | 1977-07-02 | 1979-01-11 | Braun Ag | Zeitmesser mit einer anzeigeeinrichtung |
US4234947A (en) * | 1977-12-20 | 1980-11-18 | Citizen Watch Co., Ltd. | Solar battery powered timepiece |
DE2805646B2 (de) * | 1978-02-10 | 1981-05-07 | Braun Ag, 6000 Frankfurt | Anzeigeeinrichtung für Zeitmesser mit elektrooptischen Elementen |
DE2931327A1 (de) * | 1979-08-02 | 1981-02-19 | Rau Swf Autozubehoer | Anzeigesystem, insbesondere fuer kraftfahrzeuge |
JPS5672416A (en) * | 1979-11-19 | 1981-06-16 | Citizen Watch Co Ltd | Manufacture of liquid crystal display cell |
US4435046A (en) * | 1980-04-08 | 1984-03-06 | Citizen Watch Company Limited | Liquid crystal display device |
GB2090440A (en) * | 1980-12-16 | 1982-07-07 | Ebauchesfabrik Eta Ag | A watch having an analog display and a digital display |
JPS57102611A (en) * | 1980-12-19 | 1982-06-25 | Asahi Glass Co Ltd | Liquid crystal display device equipped with mask |
GB2108697B (en) * | 1981-02-03 | 1985-09-04 | Mitsubishi Electric Corp | Liquid crystal display device |
JPS58162931A (ja) * | 1982-03-23 | 1983-09-27 | Nippon Denso Co Ltd | 透過型カラ−液晶表示装置 |
US4541692A (en) * | 1983-05-31 | 1985-09-17 | General Electric Company | Transflective liquid crystal display with enhanced contrast ratio |
GB2143987A (en) * | 1983-07-20 | 1985-02-20 | Timex Corp | Time display for LCD analog timepiece |
JPH0412535Y2 (fr) * | 1986-01-17 | 1992-03-26 | ||
US4838661A (en) * | 1988-01-05 | 1989-06-13 | Motorola, Inc. | Liquid crystal light emitting display system |
US4815824A (en) * | 1988-02-23 | 1989-03-28 | Sharples Kenneth R | Elliptical LCD bar graph with path outline-defining segments |
-
1990
- 1990-09-10 US US07/579,616 patent/US5130827A/en not_active Expired - Lifetime
-
1991
- 1991-08-27 IL IL9931991A patent/IL99319A/en not_active IP Right Cessation
- 1991-08-30 CA CA002050393A patent/CA2050393C/fr not_active Expired - Fee Related
- 1991-09-05 EP EP19910115020 patent/EP0475281A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0475281A2 (fr) | 1992-03-18 |
US5130827A (en) | 1992-07-14 |
EP0475281A3 (en) | 1992-05-20 |
IL99319A (en) | 1994-02-27 |
CA2050393C (fr) | 1994-05-31 |
IL99319A0 (en) | 1992-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |