GB1485306A - Controllable liquid-crystal display device - Google Patents

Controllable liquid-crystal display device

Info

Publication number
GB1485306A
GB1485306A GB41682/74A GB4168274A GB1485306A GB 1485306 A GB1485306 A GB 1485306A GB 41682/74 A GB41682/74 A GB 41682/74A GB 4168274 A GB4168274 A GB 4168274A GB 1485306 A GB1485306 A GB 1485306A
Authority
GB
United Kingdom
Prior art keywords
polarizer
reflector
electrode
ratio
liquid crystal
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
GB41682/74A
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1485306A publication Critical patent/GB1485306A/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
    • G02F1/133528—Polarisers

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)
GB41682/74A 1973-09-27 1974-09-25 Controllable liquid-crystal display device Expired GB1485306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1383773A CH564206A5 (en:Method) 1973-09-27 1973-09-27

Publications (1)

Publication Number Publication Date
GB1485306A true GB1485306A (en) 1977-09-08

Family

ID=4395759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41682/74A Expired GB1485306A (en) 1973-09-27 1974-09-25 Controllable liquid-crystal display device

Country Status (9)

Country Link
US (1) US3963312A (en:Method)
JP (1) JPS5416421B2 (en:Method)
AT (1) AT345909B (en:Method)
CH (1) CH564206A5 (en:Method)
DE (1) DE2351535C3 (en:Method)
FR (1) FR2246008B1 (en:Method)
GB (1) GB1485306A (en:Method)
HK (1) HK72379A (en:Method)
NL (1) NL7412633A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370368A (en) * 2000-12-20 2002-06-26 Nokia Mobile Phones Ltd Electronic display

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50112145U (en:Method) * 1974-02-15 1975-09-12
JPS50134668A (en:Method) * 1974-04-10 1975-10-24
US4104627A (en) * 1974-05-03 1978-08-01 Merz & Bentili Nuklear Ag Digitale, an indicating device containing liquid crystals
CH638624A5 (de) * 1978-04-12 1983-09-30 Secr Defence Brit Elektrooptisches fluessigkristall-anzeigegeraet.
JPS55152516U (en:Method) * 1980-04-23 1980-11-04
JPS5778080A (en) * 1980-10-31 1982-05-15 Seiko Instr & Electronics Liquid crystal display unit
US4506956A (en) * 1983-03-29 1985-03-26 Xerox Corporation Multicolor liquid crystal display with a dead front
US4527864A (en) * 1983-03-29 1985-07-09 Xerox Corporation High contrast liquid crystal display devices
JPS604924A (ja) * 1983-06-24 1985-01-11 Alps Electric Co Ltd 液晶表示装置
JPH01201622A (ja) * 1988-02-06 1989-08-14 Sharp Corp 投映型表示装置
EP0516076B1 (en) * 1991-05-27 1999-04-07 Dainippon Ink And Chemicals, Inc. Liquid crystal device
GB9322948D0 (en) * 1993-11-08 1994-01-05 Varintelligent Bvi Ltd Liquid crystal display
JPH11281979A (ja) * 1998-03-26 1999-10-15 Enplas Corp サイドライト型面光源装置及び液晶表示装置
US7068333B2 (en) * 2001-10-16 2006-06-27 Eizo Nanao Corporation Liquid crystal display with photodetectors having polarizing plates mounted thereon and its correcting method
KR102497784B1 (ko) * 2015-10-06 2023-02-09 삼성디스플레이 주식회사 표시장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT946051B (it) * 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
US3731986A (en) * 1971-04-22 1973-05-08 Int Liquid Xtal Co Display devices utilizing liquid crystal light modulation
JPS4995640A (en:Method) * 1973-01-12 1974-09-11
JPS5113666A (en) * 1974-07-23 1976-02-03 Kubota Ltd Keihosochitsuki konbain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370368A (en) * 2000-12-20 2002-06-26 Nokia Mobile Phones Ltd Electronic display

Also Published As

Publication number Publication date
DE2351535C3 (de) 1983-11-03
DE2351535A1 (de) 1975-04-03
JPS5062055A (en:Method) 1975-05-27
NL7412633A (nl) 1975-04-02
JPS5416421B2 (en:Method) 1979-06-22
FR2246008B1 (en:Method) 1982-03-26
AT345909B (de) 1978-10-10
DE2351535B2 (de) 1979-08-02
FR2246008A1 (en:Method) 1975-04-25
HK72379A (en) 1979-10-19
CH564206A5 (en:Method) 1975-07-15
US3963312A (en) 1976-06-15
ATA650274A (de) 1978-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PE20 Patent expired after termination of 20 years

Effective date: 19940924