FR2250173B1 - - Google Patents

Info

Publication number
FR2250173B1
FR2250173B1 FR7436584A FR7436584A FR2250173B1 FR 2250173 B1 FR2250173 B1 FR 2250173B1 FR 7436584 A FR7436584 A FR 7436584A FR 7436584 A FR7436584 A FR 7436584A FR 2250173 B1 FR2250173 B1 FR 2250173B1
Authority
FR
France
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.)
Expired
Application number
FR7436584A
Other versions
FR2250173A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2250173A1 publication Critical patent/FR2250173A1/fr
Application granted granted Critical
Publication of FR2250173B1 publication Critical patent/FR2250173B1/fr
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7436584A 1973-11-03 1974-11-04 Expired FR2250173B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7315103A NL7315103A (nl) 1973-11-03 1973-11-03 Inrichting voorzien van een laag vloeibaar kristal.

Publications (2)

Publication Number Publication Date
FR2250173A1 FR2250173A1 (fr) 1975-05-30
FR2250173B1 true FR2250173B1 (fr) 1978-11-24

Family

ID=19819934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436584A Expired FR2250173B1 (fr) 1973-11-03 1974-11-04

Country Status (7)

Country Link
JP (1) JPS5081097A (fr)
CA (1) CA1018639A (fr)
CH (1) CH576153A5 (fr)
DE (1) DE2450698C2 (fr)
FR (1) FR2250173B1 (fr)
GB (1) GB1479643A (fr)
NL (1) NL7315103A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH614828GA3 (en) * 1976-06-16 1979-12-28 Liquid-crystal display with a guest/host liquid-crystal layer and method for producing this liquid-crystal display
CH626770GA3 (en) * 1977-03-16 1981-12-15 Method for producing a liquid crystal display having a guest/host liquid crystal layer
CH617281A5 (fr) * 1977-07-29 1980-05-14 Bbc Brown Boveri & Cie
JPS5613271U (fr) * 1979-07-12 1981-02-04
JP2678594B2 (ja) * 1986-03-06 1997-11-17 セイコーエプソン株式会社 液晶表示装置

Family Cites Families (3)

* 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
US3751137A (en) * 1971-10-18 1973-08-07 Rockwell International Corp Liquid crystal display device
JPS4878898A (fr) * 1972-01-21 1973-10-23

Also Published As

Publication number Publication date
CA1018639A (en) 1977-10-04
CH576153A5 (fr) 1976-05-31
FR2250173A1 (fr) 1975-05-30
JPS5081097A (fr) 1975-07-01
NL7315103A (nl) 1975-05-07
DE2450698C2 (de) 1982-08-12
GB1479643A (en) 1977-07-13
DE2450698A1 (de) 1975-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse