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KR920701393A - 액정 파라미터의 온도 보정 - Google Patents

액정 파라미터의 온도 보정

Info

Publication number
KR920701393A
KR920701393A KR1019910700666A KR910700666A KR920701393A KR 920701393 A KR920701393 A KR 920701393A KR 1019910700666 A KR1019910700666 A KR 1019910700666A KR 910700666 A KR910700666 A KR 910700666A KR 920701393 A KR920701393 A KR 920701393A
Authority
KR
South Korea
Prior art keywords
liquid crystal
selective reflection
mixture
temperature correction
crystal parameters
Prior art date
Application number
KR1019910700666A
Other languages
English (en)
Other versions
KR100203549B1 (ko
Inventor
부헥커 리하르트
퓐프쉴링 쥐르크
샤드트 마르틴
Original Assignee
쟝-자크 오가이, 롤란트 보러
에프. 호프만-라 로슈 에이지
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.)
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Publication date
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Application filed by 쟝-자크 오가이, 롤란트 보러, 에프. 호프만-라 로슈 에이지 filed Critical 쟝-자크 오가이, 롤란트 보러
Publication of KR920701393A publication Critical patent/KR920701393A/ko
Application granted granted Critical
Publication of KR100203549B1 publication Critical patent/KR100203549B1/ko

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    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58—Dopants or charge transfer agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • 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
    • G02F1/0009—Materials therefor
    • G02F1/0063—Optical properties, e.g. absorption, reflection or birefringence
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • G02F1/133536—Reflective polarizers
    • 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
    • G02F1/133543—Cholesteric polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

내용 없음

Description

액정 파라미터의 온도 보정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 네마틱(nematic) 액정을 하기 조건(1) 및 (2)를 만족시키는 2개 이상의 첨가제로 도핑시키며, 이때 0.5nm/℃ 미만인 dλ0/dT를 혼합물의 작동 온도 범위 전반에 걸쳐 적용시킴을 특징으로 하는, 온도-보정된 선택적 반사를 나타내는 콜레스테릭(cholesteric) 액정 혼합물.
    (1) a(c1B1+c2B2)=b(c1A1+c2A|2) 및 (2) 1/λ0(T)=a(c1A1+c2A2)+aT(c1B2+c2B2)+bT(c1A1+c2A2) 상기식에서, λ0는 선택적인 반사 파장 밴드(band)의 평균치이고, c1및 c2는 키랄성 도판트(chiral dopant)의 농도이며, A1및 B2은 수열 (3)중의 계수이다.
  2. 조건 (1) 및 (2)를 만족시키는 도판트 2개 이상을 액정에 가하며, 이때 0.5nm/℃ 미만인 dλ0/dT를 혼합물의 작동 온도 범위 전반에 걸쳐 적용시킴을 특징으로 하여, 콜레스테릭 액정의 파장-선택적 반사에 대한 온도보정을 수행하는 방법.
    (1) a(c1B1+c2B2)=b(c1A1+c2A|2) 및 (2) 1/λ0(T)=a(c1A1+c2A2)+aT(c1B2+c2B2)+bT(c1A1+c2A2) 상기식에서, λ0는 선택적인 반사 파장 밴드의 평균치이고, c1및 c2는 키랄성 도판트의 농도이며, A1및 B1은 수열 (3)중의 계수이다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910700666A 1989-11-01 1990-10-26 액정 파라미터의 온도 보정 KR100203549B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH394889 1989-11-01
CH3948/89-4 1989-11-01

Publications (2)

Publication Number Publication Date
KR920701393A true KR920701393A (ko) 1992-08-11
KR100203549B1 KR100203549B1 (ko) 1999-06-15

Family

ID=4266932

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019910700667A KR920701862A (ko) 1989-11-01 1990-10-26 액정을 포함하는 광조절 시스템
KR1019910700666A KR100203549B1 (ko) 1989-11-01 1990-10-26 액정 파라미터의 온도 보정

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019910700667A KR920701862A (ko) 1989-11-01 1990-10-26 액정을 포함하는 광조절 시스템

Country Status (8)

Country Link
US (1) US5319478A (ko)
EP (2) EP0450025B1 (ko)
JP (2) JP2831463B2 (ko)
KR (2) KR920701862A (ko)
DE (1) DE59008313D1 (ko)
HK (1) HK17897A (ko)
SG (1) SG50560A1 (ko)
WO (2) WO1991006889A1 (ko)

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JPH04502486A (ja) 1992-05-07
US5319478A (en) 1994-06-07
JP2831463B2 (ja) 1998-12-02
WO1991006613A1 (de) 1991-05-16
KR100203549B1 (ko) 1999-06-15
DE59008313D1 (de) 1995-03-02
JPH04502524A (ja) 1992-05-07
EP0452438A1 (de) 1991-10-23
SG50560A1 (en) 2000-10-24
HK17897A (en) 1997-02-13
EP0450025B1 (de) 1995-01-18
EP0450025A1 (de) 1991-10-09
KR920701862A (ko) 1992-08-12
JP2809877B2 (ja) 1998-10-15
WO1991006889A1 (de) 1991-05-16

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