FR2154779B1 - - Google Patents

Info

Publication number
FR2154779B1
FR2154779B1 FR7234817A FR7234817A FR2154779B1 FR 2154779 B1 FR2154779 B1 FR 2154779B1 FR 7234817 A FR7234817 A FR 7234817A FR 7234817 A FR7234817 A FR 7234817A FR 2154779 B1 FR2154779 B1 FR 2154779B1
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
FR7234817A
Other languages
French (fr)
Other versions
FR2154779A1 (ja
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 FR2154779A1 publication Critical patent/FR2154779A1/fr
Application granted granted Critical
Publication of FR2154779B1 publication Critical patent/FR2154779B1/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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (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)
FR7234817A 1971-10-02 1972-10-02 Expired FR2154779B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7113564A NL7113564A (ja) 1971-10-02 1971-10-02

Publications (2)

Publication Number Publication Date
FR2154779A1 FR2154779A1 (ja) 1973-05-11
FR2154779B1 true FR2154779B1 (ja) 1976-05-21

Family

ID=19814161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7234817A Expired FR2154779B1 (ja) 1971-10-02 1972-10-02

Country Status (5)

Country Link
JP (1) JPS4843950A (ja)
DE (1) DE2247250B2 (ja)
FR (1) FR2154779B1 (ja)
GB (1) GB1345133A (ja)
NL (1) NL7113564A (ja)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592526A (en) * 1969-07-15 1971-07-13 John F Dreyer Means for rotating the polarization plane of light and for converting polarized light to nonpolarized light
BR7302384D0 (pt) * 1972-04-04 1974-06-27 Dick Co Ab Aperfeicoamentos em ou relativos a limpeza de rolos de umaaperfeicoamentos em ou relativos a limpeza de rolos de uma maquina duplicadora como rolos de tinta maquina duplicadora como rolos de tinta
JPS5250103B2 (ja) * 1974-07-15 1977-12-22

Also Published As

Publication number Publication date
FR2154779A1 (ja) 1973-05-11
DE2247250B2 (de) 1979-06-07
GB1345133A (en) 1974-01-30
NL7113564A (ja) 1973-04-04
JPS4843950A (ja) 1973-06-25
DE2247250A1 (de) 1973-04-05

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Legal Events

Date Code Title Description
ST Notification of lapse