GB1450423A - Liquid crystal display screens - Google Patents

Liquid crystal display screens

Info

Publication number
GB1450423A
GB1450423A GB4587473A GB4587473A GB1450423A GB 1450423 A GB1450423 A GB 1450423A GB 4587473 A GB4587473 A GB 4587473A GB 4587473 A GB4587473 A GB 4587473A GB 1450423 A GB1450423 A GB 1450423A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal display
display screens
oct
foil
Prior art date
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
GB4587473A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE19722251998 external-priority patent/DE2251998C3/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1450423A publication Critical patent/GB1450423A/en
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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements

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)
GB4587473A 1972-10-24 1973-10-02 Liquid crystal display screens Expired GB1450423A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722251998 DE2251998C3 (de) 1972-10-24 Flüssigkristall-Anzeigeschirm

Publications (1)

Publication Number Publication Date
GB1450423A true GB1450423A (en) 1976-09-22

Family

ID=5859853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4587473A Expired GB1450423A (en) 1972-10-24 1973-10-02 Liquid crystal display screens

Country Status (8)

Country Link
BE (1) BE806459A (de)
CH (1) CH555579A (de)
FR (1) FR2325307A5 (de)
GB (1) GB1450423A (de)
IT (1) IT1001597B (de)
LU (1) LU68664A1 (de)
NL (1) NL7313880A (de)
SE (1) SE383426B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257091A (en) * 1991-06-26 1993-01-06 Samsung Electronic Devices Card having pattern display function.
WO2012093935A1 (en) 2011-01-06 2012-07-12 Triggered Emotions B.V. Device and method for attracting attention in gift artifacts, stationery, books and packaging material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882632A (en) * 1955-10-25 1959-04-21 Prismo Safety Corp Marker material and method
US3383789A (en) * 1965-03-08 1968-05-21 Thomas E. Armstrong Reflex-reflective sign structure
DE2028089A1 (de) * 1969-06-11 1971-01-28 Kabushiki Kaisha Suwa Seikosha, Tokio Elektronisches Bildschirmgerat
US3700305A (en) * 1970-12-14 1972-10-24 Minnesota Mining & Mfg Retroreflective microspheres having a dielectric mirror on a portion of their surface and retroreflective constructions containing such microspheres

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257091A (en) * 1991-06-26 1993-01-06 Samsung Electronic Devices Card having pattern display function.
WO2012093935A1 (en) 2011-01-06 2012-07-12 Triggered Emotions B.V. Device and method for attracting attention in gift artifacts, stationery, books and packaging material

Also Published As

Publication number Publication date
LU68664A1 (de) 1974-01-03
SE383426B (sv) 1976-03-08
FR2325307A5 (fr) 1977-04-15
NL7313880A (de) 1974-04-26
BE806459A (fr) 1974-02-15
CH555579A (de) 1974-10-31
IT1001597B (it) 1976-04-30
DE2251998B2 (de) 1976-01-22
DE2251998A1 (de) 1974-05-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee