CH617281A5 - - Google Patents

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Publication number
CH617281A5
CH617281A5 CH939777A CH939777A CH617281A5 CH 617281 A5 CH617281 A5 CH 617281A5 CH 939777 A CH939777 A CH 939777A CH 939777 A CH939777 A CH 939777A CH 617281 A5 CH617281 A5 CH 617281A5
Authority
CH
Switzerland
Prior art keywords
electrode
partial
electrodes
display device
display
Prior art date
Application number
CH939777A
Other languages
German (de)
English (en)
Inventor
Allan R Dr Ing Kmetz
Klaus Dr Mueller
Terry J Dr Scheffer
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH939777A priority Critical patent/CH617281A5/de
Priority to DE19772738679 priority patent/DE2738679A1/de
Priority to EP78200048A priority patent/EP0000594B1/fr
Priority to US05/925,539 priority patent/US4281902A/en
Priority to US06/027,382 priority patent/US4241344A/en
Publication of CH617281A5 publication Critical patent/CH617281A5/de
Priority to HK761/85A priority patent/HK76185A/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 
    • G02F1/0102—Constructional details, not otherwise provided for in this subclass
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH939777A 1977-07-29 1977-07-29 CH617281A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH939777A CH617281A5 (fr) 1977-07-29 1977-07-29
DE19772738679 DE2738679A1 (de) 1977-07-29 1977-08-27 Elektro-optische anzeigevorrichtung zur darstellung von dunklen, aus getrennt ansteuerbaren anzeigeelementen bestehenden symbolen auf hellem untergrund und verfahren zur ansteuerung dieser vorrichtung
EP78200048A EP0000594B1 (fr) 1977-07-29 1978-06-19 Dispositif électro-optique d'affichage et procédé d'actionnement de ce dispositif
US05/925,539 US4281902A (en) 1977-07-29 1978-07-17 Electro-optical device for the display of dark symbols composed of separately selectable display segments against a bright background and a means for addressing this device
US06/027,382 US4241344A (en) 1977-07-29 1979-04-05 Electro-optical device for the display of dark symbols composed of separately selectable display segments against a bright background and a means for addressing this device
HK761/85A HK76185A (en) 1977-07-29 1985-10-10 Electro-optical display device and method for operating same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH939777A CH617281A5 (fr) 1977-07-29 1977-07-29

Publications (1)

Publication Number Publication Date
CH617281A5 true CH617281A5 (fr) 1980-05-14

Family

ID=4351557

Family Applications (1)

Application Number Title Priority Date Filing Date
CH939777A CH617281A5 (fr) 1977-07-29 1977-07-29

Country Status (5)

Country Link
US (2) US4281902A (fr)
EP (1) EP0000594B1 (fr)
CH (1) CH617281A5 (fr)
DE (1) DE2738679A1 (fr)
HK (1) HK76185A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386350A (en) * 1979-06-26 1983-05-31 Nippon Electric Co., Ltd. Display apparatus
JPS56156817A (en) * 1980-05-09 1981-12-03 Hitachi Ltd Liquid-crystal display element
JPS576882A (en) * 1980-06-16 1982-01-13 Hitachi Ltd Liquid crystal display element
US4451122A (en) * 1980-12-29 1984-05-29 Beckman Instruments, Inc. Multicompartment electro-optic display device
US4547773A (en) * 1983-01-19 1985-10-15 National Research Development Corporation Character display panels and panel devices
US4741604A (en) * 1985-02-01 1988-05-03 Kornfeld Cary D Electrode arrays for cellular displays
DE3516298A1 (de) * 1985-05-07 1986-11-13 Sartorius Gmbh Verfahren zur ansteuerung einer fluessigkristallanzeige mit funktionsfehler-erkennbarkeit
SE447519B (sv) * 1985-05-14 1986-11-17 Micro E Ab Forfarande samt anordning for att driva lcd-displayer
US5730133A (en) * 1994-05-20 1998-03-24 Dynamics Imaging, Inc. Optical functional mamoscope
EP2463388B1 (fr) 2005-11-29 2017-11-22 Cambridge Enterprise Limited Marqueurs du cancer du sein
TW200941076A (en) * 2008-03-31 2009-10-01 Ind Tech Res Inst Color cholesteric liquid crystal display devices and fabrication methods thereof
US8269801B2 (en) * 2008-09-24 2012-09-18 3M Innovative Properties Company Unipolar gray scale drive scheme for cholesteric liquid crystal displays
US8217930B2 (en) * 2009-08-27 2012-07-10 3M Innovative Properties Company Fast transitions of large area cholesteric displays

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647280A (en) * 1969-11-06 1972-03-07 Rca Corp Liquid crystal display 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
CA931250A (en) * 1970-06-19 1973-07-31 A. Dir Hary Imaging system
US3841083A (en) * 1971-03-01 1974-10-15 Time Computer Self-illuminated liquid crystal timepiece
DE2225107A1 (de) * 1971-05-25 1972-12-07 Marconi Co Ltd Flüssigkristall Anzeigevorrichtung
US3740717A (en) * 1971-12-16 1973-06-19 Rca Corp Liquid crystal display
JPS4931297A (fr) * 1972-07-21 1974-03-20
US3814501A (en) * 1972-12-04 1974-06-04 Rca Corp Liquid-crystal display device and method of making
CH566610A5 (fr) * 1973-01-03 1975-09-15 Battelle Memorial Institute
DE2300856A1 (de) * 1973-01-09 1974-07-18 Delog Detag Flachglas Ag Optisches anzeigeelement mit fluessigkristallen
US3837730A (en) * 1973-11-28 1974-09-24 Bell Telephone Labor Inc Matrix-addressed liquid crystal display
US3891307A (en) * 1973-03-20 1975-06-24 Matsushita Electric Ind Co Ltd Phase control of the voltages applied to opposite electrodes for a cholesteric to nematic phase transition display
US3832034A (en) * 1973-04-06 1974-08-27 Ibm Liquid crystal display assembly
US3930719A (en) * 1973-04-09 1976-01-06 Xerox Corporation Edge brightness display and method using a material exhibiting dielectric anisotropy
US4036550A (en) * 1973-08-16 1977-07-19 Intel Corporation Liquid crystal display
US4035060A (en) * 1973-09-21 1977-07-12 Dainippon Printing Co., Ltd Electro-optic device
NL7315103A (nl) * 1973-11-03 1975-05-07 Philips Nv Inrichting voorzien van een laag vloeibaar kristal.
JPS5093451A (fr) * 1973-12-19 1975-07-25
JPS5115338A (ja) * 1974-07-22 1976-02-06 North Hills Electronics Matorikusukotainotameno adoresukeito
US3952405A (en) * 1974-11-04 1976-04-27 Motorola, Inc. Method for fabricating a liquid crystal display
US3989355A (en) * 1975-01-21 1976-11-02 Xerox Corporation Electro-optic display system
JPS52104097A (en) * 1976-02-26 1977-09-01 Matsushita Electric Ind Co Ltd Field effect liquid crystal display
JPS5310297A (en) * 1976-07-16 1978-01-30 Sharp Corp Electrochromic display device
US4071430A (en) * 1976-12-06 1978-01-31 North American Philips Corporation Electrophoretic image display having an improved switching time

Also Published As

Publication number Publication date
US4281902A (en) 1981-08-04
US4241344A (en) 1980-12-23
DE2738679C2 (fr) 1987-12-23
EP0000594B1 (fr) 1981-04-22
HK76185A (en) 1985-10-18
EP0000594A1 (fr) 1979-02-07
DE2738679A1 (de) 1979-02-08

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Legal Events

Date Code Title Description
PL Patent ceased