IN152933B - - Google Patents

Info

Publication number
IN152933B
IN152933B IN1175/CAL/80A IN1175CA1980A IN152933B IN 152933 B IN152933 B IN 152933B IN 1175CA1980 A IN1175CA1980 A IN 1175CA1980A IN 152933 B IN152933 B IN 152933B
Authority
IN
India
Prior art keywords
liquid crystal
display
polarizers
patterns
overlap
Prior art date
Application number
IN1175/CAL/80A
Other languages
English (en)
Inventor
Masashi Tanaka
Takahiko Ihochi
Yutaka Nakajima
Yoshimichi Shibuya
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of IN152933B publication Critical patent/IN152933B/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
    • G04G9/0094—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08 using light valves, e.g. liquid crystals
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Electric Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IN1175/CAL/80A 1979-10-24 1980-10-15 IN152933B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13640679A JPS5660483A (en) 1979-10-24 1979-10-24 Liquid crystal display unit

Publications (1)

Publication Number Publication Date
IN152933B true IN152933B (de) 1984-05-05

Family

ID=15174411

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1175/CAL/80A IN152933B (de) 1979-10-24 1980-10-15

Country Status (9)

Country Link
US (1) US4403832A (de)
JP (1) JPS5660483A (de)
CH (1) CH645234GA3 (de)
DE (1) DE3039862A1 (de)
GB (1) GB2062930B (de)
HK (1) HK36085A (de)
IN (1) IN152933B (de)
MY (1) MY8500668A (de)
SG (1) SG40784G (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547043A (en) * 1980-07-25 1985-10-15 Penz Perry A Stacked LCD graphics display
JPS57211122A (en) * 1981-06-23 1982-12-24 Citizen Watch Co Ltd All solid-state complementary type electrochromic display element
GB2110863B (en) * 1981-12-01 1985-10-02 Standard Telephones Cables Ltd Liquid crystal display devices
US4471351A (en) * 1982-05-05 1984-09-11 Litton Systems, Inc. Switchable tandem memory magneto-optic display
JPS59219719A (ja) * 1983-05-27 1984-12-11 Seiko Instr & Electronics Ltd カラ−液晶表示装置
US4635051A (en) * 1983-09-26 1987-01-06 Tektronix, Inc. High-speed electro-optical light gate and field sequential full color display system incorporating same
US4758818A (en) * 1983-09-26 1988-07-19 Tektronix, Inc. Switchable color filter and field sequential full color display system incorporating same
EP0138454B1 (de) * 1983-09-26 1994-08-31 Tektronix, Inc. Schaltbarer Farbfilter und seine Verwendung in einer Anzeigevorrichtung mit sequentieller Rasterfolge und voller Farbwiedergabe
US4824213A (en) * 1983-12-16 1989-04-25 Citizen Watch Co., Ltd. Liquid crystal display having opaque portions on the electrodes
US5216414A (en) * 1989-11-20 1993-06-01 Sharp Kabushiki Kaisha Color liquid crystal display device
JPH0497134A (ja) * 1990-08-09 1992-03-30 Sharp Corp カラー液晶表示装置
US6311419B1 (en) 1989-12-31 2001-11-06 Smartlight Ltd. Dedicated mammogram viewer
IL92936A (en) 1989-12-31 1998-02-08 Smartlight Ltd Self-masking transparency viewing apparatus
GB2245092A (en) * 1990-04-23 1991-12-18 Tfe Hong Kong Limited Multilayer liquid crystal display.
GB9310190D0 (en) * 1993-05-18 1993-06-30 Negretti Aviat Ltd Display system
FR2712109B1 (fr) * 1993-11-04 1995-12-15 Ebauchesfabrik Eta Ag Dispositif d'affichage à cristaux liquides.
US5790216A (en) * 1993-11-28 1998-08-04 Smartlight Ltd. Viewing apparatus and work station
SE509638C2 (sv) * 1996-06-15 1999-02-15 Allgon Ab Meanderantennanordning
US5963276A (en) * 1997-01-09 1999-10-05 Smartlight Ltd. Back projection transparency viewer with overlapping pixels
EP0928983A4 (de) * 1997-06-30 2000-04-05 Citizen Watch Co Ltd Uhr
WO1999028793A1 (en) 1997-11-28 1999-06-10 Citizen Watch Co., Ltd. Timepiece
DE69806573T2 (de) * 1997-11-28 2002-12-19 Citizen Watch Co., Ltd. Flüssigkristallanzeigevorrichtung und ansteuerverfahren dafür

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622224A (en) * 1969-08-20 1971-11-23 Xerox Corp Liquid crystal alpha-numeric electro-optic imaging device
CH532811A (fr) * 1970-05-11 1972-08-31 Manuf Des Montres Rolex S A Bi Pièce d'horlogerie comprenant un dispositif d'affichage avec au moins une cellule à cristal liquide
US3944331A (en) * 1972-11-13 1976-03-16 Ncr Corporation Liquid crystal display device
CA1046618A (en) 1972-11-13 1979-01-16 John L. Janning Liquid crystal display device
JPS4997636A (de) * 1973-01-18 1974-09-14
DE2402749C3 (de) 1974-01-21 1979-05-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Flüssigkristallanzeigeschirm mit Mehrfachelektrodenanordnung
US3967881A (en) 1974-04-04 1976-07-06 Matsushita Electric Industrial Co., Ltd. Liquid crystal display
GB1562391A (en) 1975-10-04 1980-03-12 Marconi Co Ltd Liquid crystal display arrangements
JPS53101296A (en) * 1977-02-16 1978-09-04 Seiko Epson Corp Display unit
US4231640A (en) 1977-07-07 1980-11-04 Sharp Kabushiki Kaisha Matrix type liquid crystal display panel

Also Published As

Publication number Publication date
JPS5660483A (en) 1981-05-25
SG40784G (en) 1985-03-08
GB2062930B (en) 1983-07-20
US4403832A (en) 1983-09-13
HK36085A (en) 1985-05-17
DE3039862A1 (de) 1981-05-07
CH645234GA3 (de) 1984-09-28
GB2062930A (en) 1981-05-28
MY8500668A (en) 1985-12-31

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