GB2020053A – Liquid crystal display
– Google Patents
GB2020053A – Liquid crystal display
– Google Patents
Liquid crystal display
Info
Publication number
GB2020053A
GB2020053A
GB7909677A
GB7909677A
GB2020053A
GB 2020053 A
GB2020053 A
GB 2020053A
GB 7909677 A
GB7909677 A
GB 7909677A
GB 7909677 A
GB7909677 A
GB 7909677A
GB 2020053 A
GB2020053 A
GB 2020053A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal display
display
liquid
crystal
Prior art date
1978-03-22
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
GB7909677A
Other versions
GB2020053B
(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.)
Ebauches SA
Original Assignee
Ebauches 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.)
1978-03-22
Filing date
1979-03-20
Publication date
1979-11-07
1979-03-20
Application filed by Ebauches SA
filed
Critical
Ebauches SA
1979-11-07
Publication of GB2020053A
publication
Critical
patent/GB2020053A/en
1982-09-15
Application granted
granted
Critical
1982-09-15
Publication of GB2020053B
publication
Critical
patent/GB2020053B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
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
G02F1/13731—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 a field-induced phase transition
G02F1/13737—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 a field-induced phase transition in liquid crystals doped with a pleochroic dye
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
G02F1/133371—Cells with varying thickness of the liquid crystal layer
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
G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment
GB7909677A
1978-03-22
1979-03-20
Liquid crystal display
Expired
GB2020053B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
CH313578A
CH621200A5
(en)
1978-03-22
1978-03-22
Publications (2)
Publication Number
Publication Date
GB2020053A
true
GB2020053A
(en)
1979-11-07
GB2020053B
GB2020053B
(en)
1982-09-15
Family
ID=4249369
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7909677A
Expired
GB2020053B
(en)
1978-03-22
1979-03-20
Liquid crystal display
Country Status (8)
Country
Link
US
(1)
US4277144A
(en)
JP
(1)
JPS54143162A
(en)
AT
(1)
AT380576B
(en)
CH
(1)
CH621200A5
(en)
DE
(1)
DE2853639B2
(en)
FR
(1)
FR2420802A1
(en)
GB
(1)
GB2020053B
(en)
NL
(1)
NL179685C
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2131194A
(en)
*
1982-10-29
1984-06-13
Canon Kk
Liquid crystal device
Families Citing this family (22)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS564121A
(en)
*
1979-06-22
1981-01-17
Stanley Electric Co Ltd
Liquid crystal display device
US4563059A
(en)
*
1983-01-10
1986-01-07
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices
US4840463A
(en)
*
1987-08-19
1989-06-20
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices
US4813767A
(en)
*
1980-01-08
1989-03-21
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices
US4958916A
(en)
*
1980-01-08
1990-09-25
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices
US5227905A
(en)
*
1980-01-08
1993-07-13
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices
USRE34950E
(en)
*
1980-01-08
1995-05-23
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices with means for aligning LC molecules at Ω(α) from normal to the means
US5083855A
(en)
*
1980-01-08
1992-01-28
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices
USRE34966E
(en)
*
1980-01-08
1995-06-13
Clark Noel A
Surface stabilized ferroelectric liquid crystal devices with LC molecules aligned at angle Ω(α) from normal to substrates
JPS56122866U
(en)
*
1980-02-20
1981-09-18
NL8200069A
(en)
*
1982-01-11
1983-08-01
Philips Nv
DISPLAY WITH LIQUID CRYSTAL.
YU44866B
(en)
*
1983-09-09
1991-04-30
Inst Stefan Jozef
Matrix lcd with an internal reflector and a measuring net
US4726659A
(en)
*
1986-02-24
1988-02-23
Rca Corporation
Display device having different alignment layers
JPS62210421A
(en)
*
1986-03-11
1987-09-16
Canon Inc
Optical modulating element
US4813771A
(en)
*
1987-10-15
1989-03-21
Displaytech Incorporated
Electro-optic switching devices using ferroelectric liquid crystals
JP2801102B2
(en)
*
1991-02-01
1998-09-21
富士通株式会社
Liquid crystal display
US5631754A
(en)
*
1995-10-20
1997-05-20
Physical Optics Corporation
Holographic high contrast viewing screen embedded in a liquid crystal display
US6320639B1
(en)
1996-03-11
2001-11-20
Canon Kabushiki Kaisha
Liquid crystal device and process for production thereof
JP2000162624A
(en)
*
1998-11-26
2000-06-16
Sanyo Electric Co Ltd
Reflection type liquid crystal display device
JP3636641B2
(en)
*
1999-08-20
2005-04-06
セイコーエプソン株式会社
Electro-optic device
JP3852342B2
(en)
*
2002-01-28
2006-11-29
セイコーエプソン株式会社
Reflector, reflector manufacturing method, liquid crystal device, electronic device
FR2957429B1
(en)
*
2010-03-12
2012-08-17
Commissariat Energie Atomique
PHASE MODULATOR BASED ON LIQUID CRYSTAL WITH HELICOIDAL STRUCTURE
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS4997636A
(en)
*
1973-01-18
1974-09-14
US3833287A
(en)
*
1973-03-08
1974-09-03
Bell Telephone Labor Inc
Guest-host liquid crystal device
US4112157A
(en)
*
1973-06-18
1978-09-05
Siemens Aktiengesellschaft
Method of producing a film which promotes homeotropic orientation of liquid crystals and a liquid crystal utilizing the film
CH629001A5
(en)
*
1978-02-06
1982-03-31
Ebauches Sa
Display unit electro-optical passive.
DE2805970C3
(en)
*
1978-02-13
1980-09-25
Siemens Ag, 1000 Berlin Und 8000 Muenchen
Liquid crystal display device
1978
1978-03-22
CH
CH313578A
patent/CH621200A5/fr
not_active
IP Right Cessation
1978-12-08
DE
DE2853639A
patent/DE2853639B2/en
active
Granted
1979
1979-03-08
AT
AT0174679A
patent/AT380576B/en
not_active
IP Right Cessation
1979-03-20
GB
GB7909677A
patent/GB2020053B/en
not_active
Expired
1979-03-20
FR
FR7906940A
patent/FR2420802A1/en
active
Granted
1979-03-20
US
US06/022,199
patent/US4277144A/en
not_active
Expired – Lifetime
1979-03-22
NL
NLAANVRAGE7902252,A
patent/NL179685C/en
not_active
IP Right Cessation
1979-03-22
JP
JP3241079A
patent/JPS54143162A/en
active
Pending
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2131194A
(en)
*
1982-10-29
1984-06-13
Canon Kk
Liquid crystal device
Also Published As
Publication number
Publication date
DE2853639C3
(en)
1987-10-22
DE2853639B2
(en)
1981-01-29
FR2420802A1
(en)
1979-10-19
GB2020053B
(en)
1982-09-15
CH621200A5
(en)
1981-01-15
NL7902252A
(en)
1979-09-25
FR2420802B1
(en)
1984-04-06
ATA174679A
(en)
1985-10-15
NL179685C
(en)
1986-10-16
JPS54143162A
(en)
1979-11-08
NL179685B
(en)
1986-05-16
US4277144A
(en)
1981-07-07
DE2853639A1
(en)
1979-09-27
AT380576B
(en)
1986-06-10
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Legal Events
Date
Code
Title
Description
1984-12-27
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1992-11-18
PCNP
Patent ceased through non-payment of renewal fee
