DE2432601C2 - - Google Patents

Info

Publication number
DE2432601C2
DE2432601C2 DE19742432601 DE2432601A DE2432601C2 DE 2432601 C2 DE2432601 C2 DE 2432601C2 DE 19742432601 DE19742432601 DE 19742432601 DE 2432601 A DE2432601 A DE 2432601A DE 2432601 C2 DE2432601 C2 DE 2432601C2
Authority
DE
Germany
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
DE19742432601
Other versions
DE2432601A1 (de
Inventor
Terry Dr. Wettingen Ch Scheffer
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 Co Ltd Switzerland
Original Assignee
BBC Brown Boveri and Co Ltd 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
Priority to CH779274A priority Critical patent/CH573126A5/xx
Application filed by BBC Brown Boveri and Co Ltd Switzerland filed Critical BBC Brown Boveri and Co Ltd Switzerland
Publication of DE2432601A1 publication Critical patent/DE2432601A1/de
Application granted granted Critical
Publication of DE2432601C2 publication Critical patent/DE2432601C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/04Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/42Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/50Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing steroidal liquid crystal compounds
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3016Polarising elements involving passive liquid crystal elements
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • G02F1/133536Reflective polarizers
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/137Devices 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
    • G02F1/139Devices 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
    • G02F1/1396Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363Birefringent elements, e.g. for optical compensation
    • G02F2001/133638Waveplates, i.e. plates with a retardation value of lambda/n
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/08Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 light absorbing layer
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/34Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
    • G02F2201/343Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector cholesteric liquid crystal reflector
DE19742432601 1974-06-07 1974-07-06 Expired DE2432601C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH779274A CH573126A5 (de) 1974-06-07 1974-06-07

Publications (2)

Publication Number Publication Date
DE2432601A1 DE2432601A1 (de) 1975-12-18
DE2432601C2 true DE2432601C2 (de) 1982-12-02

Family

ID=4330536

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19747423068 Expired DE7423068U (de) 1974-06-07 1974-07-06 Vorrichtung zur erzeugung und modulierung von einfarbigem licht
DE19742432601 Expired DE2432601C2 (de) 1974-06-07 1974-07-06

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19747423068 Expired DE7423068U (de) 1974-06-07 1974-07-06 Vorrichtung zur erzeugung und modulierung von einfarbigem licht

Country Status (7)

Country Link
US (1) US4032218A (de)
JP (1) JPS5746531B2 (de)
AT (1) AT345356B (de)
CH (1) CH573126A5 (de)
DE (2) DE7423068U (de)
FR (1) FR2274059B1 (de)
NL (1) NL7506635A (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140947A (ja) * 1974-10-02 1976-04-06 Matsushita Electric Ind Co Ltd Denkikogakutekihyojisochi
CH600366A5 (de) * 1976-05-20 1978-06-15 Ebauches Sa
CH609199A (de) * 1976-05-20 1979-02-28
JPS5365263A (en) * 1976-11-24 1978-06-10 Toyota Motor Corp Simultaneously treating method for waste fluid from acid and alkali washingand waste fluid from plating
EP0045104B1 (de) * 1980-07-28 1985-04-10 BBC Aktiengesellschaft Brown, Boveri & Cie. Homöotrop nematisches Display mit internem Reflektor
JPH0223234B2 (de) * 1981-07-13 1990-05-23 Matsushita Electric Ind Co Ltd
JPS639020B2 (de) * 1982-03-13 1988-02-25 Kanto Kasei Kogyo Kk
JPS58144522U (de) * 1982-03-19 1983-09-29
JP2831463B2 (ja) * 1989-11-01 1998-12-02 ロリク アーゲー 液晶パラメータの温度補償
JP3268858B2 (ja) * 1992-11-30 2002-03-25 三洋電機株式会社 液晶表示装置
US5583678A (en) * 1993-03-12 1996-12-10 Casio Computer Co., Ltd. Color liquid crystal display apparatus
US5548422A (en) * 1993-06-28 1996-08-20 In Focus Systems, Inc. Notch filters with cholesteric polarizers with birefringent film and linear polarizer
US5619355A (en) * 1993-10-05 1997-04-08 The Regents Of The University Of Colorado Liquid crystal handedness switch and color filter
US5986734A (en) * 1994-04-04 1999-11-16 Rockwell International Corporation Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays
WO1995033224A1 (en) * 1994-05-31 1995-12-07 Philips Electronics N.V. Display device having a diffusing display panel
US5493430A (en) * 1994-08-03 1996-02-20 Kent Display Systems, L.P. Color, reflective liquid crystal displays
US5570216A (en) * 1995-04-14 1996-10-29 Kent Display Systems, Inc. Bistable cholesteric liquid crystal displays with very high contrast and excellent mechanical stability
US5691790A (en) * 1995-08-04 1997-11-25 Raychem Corporation Colored liquid crystal display having a reflector which reflects different wavelengths of light for different incident angles
US5841494A (en) * 1996-06-26 1998-11-24 Hall; Dennis R. Transflective LCD utilizing chiral liquid crystal filter/mirrors
JP2000019323A (ja) * 1998-06-30 2000-01-21 Nippon Mitsubishi Oil Corp カラー反射型偏光板
JP4220627B2 (ja) * 1999-08-04 2009-02-04 日東電工株式会社 偏光部材及び液晶表示装置
AU6696601A (en) * 2000-06-26 2002-01-08 Reveo Inc Reflective liquid crystal display using cholesteric polymers
KR100694574B1 (ko) * 2000-10-25 2007-03-13 엘지.필립스 엘시디 주식회사 콜레스테릭 액정 컬러필터를 이용한 반사형 액정표시장치및 그의 제조방법
US8040475B2 (en) * 2008-10-20 2011-10-18 Motorola Mobility, Inc. Reflective morphable display device and method of feature activation
MX2013003095A (es) 2010-09-17 2013-10-28 Graphic Packaging Int Inc Caja de carton con mango.
US9010620B2 (en) 2012-08-10 2015-04-21 Graphic Packaging International, Inc. Carton with handle
WO2015013250A1 (en) 2013-07-24 2015-01-29 Graphic Packaging International, Inc. Carton with handle

Family Cites Families (2)

* 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
US3836230A (en) * 1973-06-27 1974-09-17 Xerox Corp Liquid crystal display system

Also Published As

Publication number Publication date
FR2274059A1 (fr) 1976-01-02
JPS5746531B2 (de) 1982-10-04
AT345356B (de) 1978-09-11
ATA427475A (de) 1978-01-15
NL7506635A (nl) 1975-12-09
US4032218A (en) 1977-06-28
JPS517949A (ja) 1976-01-22
FR2274059B1 (de) 1982-04-02
DE2432601A1 (de) 1975-12-18
CH573126A5 (de) 1976-02-27
DE7423068U (de) 1976-09-02

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8327 Change in the person/name/address of the patent owner

Owner name: BBC BROWN BOVERI AG, BADEN, AARGAU, CH

8339 Ceased/non-payment of the annual fee