CH578188A5 - - Google Patents

Info

Publication number
CH578188A5
CH578188A5 CH635474A CH635474A CH578188A5 CH 578188 A5 CH578188 A5 CH 578188A5 CH 635474 A CH635474 A CH 635474A CH 635474 A CH635474 A CH 635474A CH 578188 A5 CH578188 A5 CH 578188A5
Authority
CH
Switzerland
Application number
CH635474A
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH578188A5 publication Critical patent/CH578188A5/xx

Links

Classifications

    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134327—Segmented, e.g. alpha numeric display
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/02—Function characteristic reflective
CH635474A 1973-05-14 1974-05-09 CH578188A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00360306A US3837729A (en) 1973-05-14 1973-05-14 Liquid crystal display

Publications (1)

Publication Number Publication Date
CH578188A5 true CH578188A5 (xx) 1976-07-30

Family

ID=23417450

Family Applications (1)

Application Number Title Priority Date Filing Date
CH635474A CH578188A5 (xx) 1973-05-14 1974-05-09

Country Status (9)

Country Link
US (1) US3837729A (xx)
JP (1) JPS5812584B2 (xx)
AT (1) AT355104B (xx)
CA (1) CA1011857A (xx)
CH (1) CH578188A5 (xx)
DE (1) DE2422509C2 (xx)
FR (1) FR2230033B1 (xx)
GB (1) GB1477335A (xx)
NL (1) NL7406353A (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025688A (en) * 1974-08-01 1977-05-24 Polaroid Corporation Polarizer lamination
JPS556233B2 (xx) * 1974-08-07 1980-02-14
AT351615B (de) * 1975-12-03 1979-08-10 Siemens Ag Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen
JPS52104097A (en) * 1976-02-26 1977-09-01 Matsushita Electric Ind Co Ltd Field effect liquid crystal display
US4176917A (en) * 1976-06-14 1979-12-04 Omron Tateisi Electronics Co. Liquid crystal display device
IT1082518B (it) * 1977-01-25 1985-05-21 Fiat Spa Specchio a cristallo liquido da impiegare particolarmente come retrovisore per veicoli
CH632094A5 (de) * 1978-12-12 1982-09-15 Bbc Brown Boveri & Cie Fluessigkristallanzeige.
US4413884A (en) * 1981-09-14 1983-11-08 Eaton Corporation Casting a thermoplastic-alkali earth metal salt reflector to a liquid crystal display
JPS604721A (ja) * 1983-06-22 1985-01-11 Susumu Yamaguchi 煤煙防止装置を有する塵埃焼却器
CH662239GA3 (xx) * 1986-02-27 1987-09-30
FR2623649B1 (fr) * 1987-11-23 1992-05-15 Asulab Sa Cellule d'affichage a cristal liquide
JPH0724323B2 (ja) * 1989-09-05 1995-03-15 三菱電機株式会社 半導体レーザ装置
JP3351945B2 (ja) * 1995-12-18 2002-12-03 シャープ株式会社 反射型液晶表示装置
DE19880175T1 (de) * 1997-01-16 1999-04-15 Motorola Inc Umgebungsbeleuchtetes elektro-optisches Anzeigegerät
KR100311211B1 (ko) * 1999-06-29 2001-11-02 박종섭 반사형 액정 표시 장치
US6759945B2 (en) * 2001-03-29 2004-07-06 Vtec Technologies, Inc. Variable transmittance birefringent device
US6636285B2 (en) 2001-11-01 2003-10-21 Motorola, Inc. Reflective liquid crystal display with improved contrast
US7084939B2 (en) * 2002-10-16 2006-08-01 Nitto Denko Corporation Normally white, supertwist nematic liquid crystal display of reflective type

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT946051B (it) * 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
US3784280A (en) * 1973-01-02 1974-01-08 Gen Electric Light-dark reflective liquid crystal display

Also Published As

Publication number Publication date
CA1011857A (en) 1977-06-07
DE2422509C2 (de) 1985-01-10
JPS5017788A (xx) 1975-02-25
US3837729A (en) 1974-09-24
FR2230033B1 (xx) 1978-01-27
GB1477335A (en) 1977-06-22
NL7406353A (xx) 1974-11-18
JPS5812584B2 (ja) 1983-03-09
AT355104B (de) 1980-02-11
DE2422509A1 (de) 1974-12-05
FR2230033A1 (xx) 1974-12-13
ATA391474A (de) 1979-07-15

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Legal Events

Date Code Title Description
PL Patent ceased