FR2728358A1 - Afficheur a cristaux liquides a matrice active - Google Patents

Afficheur a cristaux liquides a matrice active Download PDF

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Publication number
FR2728358A1
FR2728358A1 FR9415120A FR9415120A FR2728358A1 FR 2728358 A1 FR2728358 A1 FR 2728358A1 FR 9415120 A FR9415120 A FR 9415120A FR 9415120 A FR9415120 A FR 9415120A FR 2728358 A1 FR2728358 A1 FR 2728358A1
Authority
FR
France
Prior art keywords
sheet
layer
delay
liquid crystal
display according
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.)
Granted
Application number
FR9415120A
Other languages
English (en)
French (fr)
Other versions
FR2728358B1 (enrdf_load_stackoverflow
Inventor
Theo Welsen
Ludwig Selhuber
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR9415120A priority Critical patent/FR2728358A1/fr
Priority to PCT/FR1995/001661 priority patent/WO1996018931A1/fr
Publication of FR2728358A1 publication Critical patent/FR2728358A1/fr
Application granted granted Critical
Publication of FR2728358B1 publication Critical patent/FR2728358B1/fr
Granted 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02—Number of plates being 2

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
FR9415120A 1994-12-15 1994-12-15 Afficheur a cristaux liquides a matrice active Granted FR2728358A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9415120A FR2728358A1 (fr) 1994-12-15 1994-12-15 Afficheur a cristaux liquides a matrice active
PCT/FR1995/001661 WO1996018931A1 (fr) 1994-12-15 1995-12-13 Afficheur a cristaux liquides a matrice active

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9415120A FR2728358A1 (fr) 1994-12-15 1994-12-15 Afficheur a cristaux liquides a matrice active

Publications (2)

Publication Number Publication Date
FR2728358A1 true FR2728358A1 (fr) 1996-06-21
FR2728358B1 FR2728358B1 (enrdf_load_stackoverflow) 1997-02-21

Family

ID=9469840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9415120A Granted FR2728358A1 (fr) 1994-12-15 1994-12-15 Afficheur a cristaux liquides a matrice active

Country Status (2)

Country Link
FR (1) FR2728358A1 (enrdf_load_stackoverflow)
WO (1) WO1996018931A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1956411A2 (de) 2006-09-19 2008-08-13 SPERIAN Welding Protection AG Elektrooptisches Blendschutzfilter und Blendschutzeinheit für eine tragbare Blendschutzvorrichtung
WO2016102492A1 (en) 2014-12-22 2016-06-30 Optrel Ag Electro-optical glare-protection filter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0448173A1 (en) * 1990-03-23 1991-09-25 Koninklijke Philips Electronics N.V. Liquid crystal display device
WO1992017813A1 (de) * 1991-04-03 1992-10-15 MERCK Patent Gesellschaft mit beschränkter Haftung Elektrooptisches system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0448173A1 (en) * 1990-03-23 1991-09-25 Koninklijke Philips Electronics N.V. Liquid crystal display device
WO1992017813A1 (de) * 1991-04-03 1992-10-15 MERCK Patent Gesellschaft mit beschränkter Haftung Elektrooptisches system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Normally White Negative Birefringence Film Compensated Twisted Nematic Liquid Crystal Displays with Improved Optical Performance", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 36, no. 9B, NEW YORK, US, pages 361 - 362, XP000397185 *
HIAP LIEW ONG: "Origin and characteristics of the optical properties of general twisted nematic liquid-crystal displays", JOURNAL OF APPLIED PHYSICS, 15 JULY 1988, USA, vol. 64, no. 2, ISSN 0021-8979, pages 614 - 628 *
LEENHOUTS F ET AL: "Electro-optical characteristics of a new liquid-crystal display with an improved gray-scale capability", APPLIED PHYSICS LETTERS, 25 MAY 1987, USA, vol. 50, no. 21, ISSN 0003-6951, pages 1468 - 1470 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1956411A2 (de) 2006-09-19 2008-08-13 SPERIAN Welding Protection AG Elektrooptisches Blendschutzfilter und Blendschutzeinheit für eine tragbare Blendschutzvorrichtung
WO2016102492A1 (en) 2014-12-22 2016-06-30 Optrel Ag Electro-optical glare-protection filter

Also Published As

Publication number Publication date
WO1996018931A1 (fr) 1996-06-20
FR2728358B1 (enrdf_load_stackoverflow) 1997-02-21

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