TW200612163A - Cholesteric liquid crystal light control film - Google Patents

Cholesteric liquid crystal light control film

Info

Publication number
TW200612163A
TW200612163A TW093131056A TW93131056A TW200612163A TW 200612163 A TW200612163 A TW 200612163A TW 093131056 A TW093131056 A TW 093131056A TW 93131056 A TW93131056 A TW 93131056A TW 200612163 A TW200612163 A TW 200612163A
Authority
TW
Taiwan
Prior art keywords
film
cholesteric liquid
liquid crystal
light control
wavelength selective
Prior art date
Application number
TW093131056A
Other languages
English (en)
Other versions
TWI249064B (en
Inventor
Tung-Lung Li
Chen-Yung Chang
Long-Hai Wu
Original Assignee
Optimax Tech Corp
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 Optimax Tech Corp filed Critical Optimax Tech Corp
Priority to TW093131056A priority Critical patent/TWI249064B/zh
Priority to US11/023,883 priority patent/US20060077325A1/en
Priority to JP2005013445A priority patent/JP2006113519A/ja
Application granted granted Critical
Publication of TWI249064B publication Critical patent/TWI249064B/zh
Publication of TW200612163A publication Critical patent/TW200612163A/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing 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
    • G02F1/01—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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • 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
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
TW093131056A 2004-10-13 2004-10-13 Cholesteric liquid crystal light control film TWI249064B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW093131056A TWI249064B (en) 2004-10-13 2004-10-13 Cholesteric liquid crystal light control film
US11/023,883 US20060077325A1 (en) 2004-10-13 2004-12-28 Cholesteric liquid crystal light control film
JP2005013445A JP2006113519A (ja) 2004-10-13 2005-01-21 コレステリック液晶制御膜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW093131056A TWI249064B (en) 2004-10-13 2004-10-13 Cholesteric liquid crystal light control film

Publications (2)

Publication Number Publication Date
TWI249064B TWI249064B (en) 2006-02-11
TW200612163A true TW200612163A (en) 2006-04-16

Family

ID=36144846

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093131056A TWI249064B (en) 2004-10-13 2004-10-13 Cholesteric liquid crystal light control film

Country Status (3)

Country Link
US (1) US20060077325A1 (zh)
JP (1) JP2006113519A (zh)
TW (1) TWI249064B (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7652736B2 (en) * 2005-10-25 2010-01-26 3M Innovative Properties Company Infrared light reflecting film
JP5635988B2 (ja) * 2008-10-02 2014-12-03 コーニンクレッカ フィリップス エヌ ヴェ スペクトル検出器
JP5020289B2 (ja) * 2009-06-11 2012-09-05 富士フイルム株式会社 赤外光反射板、及び赤外光反射性合わせガラス
JP5694339B2 (ja) 2009-10-16 2015-04-01 コーニンクレッカ フィリップス エヌ ヴェ 受け取られた光のスペクトル成分を検出するスペクトル検出装置
TWI414833B (zh) * 2009-12-14 2013-11-11 Ind Tech Res Inst 低色偏光學元件及包含此光學元件之背光模組及液晶顯示器
TWI434916B (zh) 2011-05-10 2014-04-21 Chunghwa Picture Tubes Ltd 照光聚合型之旋光性液晶單體
KR20130012782A (ko) * 2011-07-26 2013-02-05 삼성디스플레이 주식회사 광학 필름, 이의 제조 방법, 및 이를 갖는 표시 장치
CN103105705A (zh) * 2011-11-15 2013-05-15 胜华科技股份有限公司 液晶显示装置
US8816578B1 (en) * 2012-07-16 2014-08-26 Rockwell Collins, Inc. Display assembly configured for reduced reflection
WO2015050204A1 (ja) * 2013-10-03 2015-04-09 富士フイルム株式会社 投映像表示用ハーフミラーおよび投映像表示システム
CN103941470B (zh) * 2014-04-15 2017-01-11 京东方科技集团股份有限公司 一种显示面板及显示装置
US9939700B2 (en) * 2014-04-15 2018-04-10 Boe Technology Group Co., Ltd. Display panel and display apparatus
CN109154426A (zh) * 2016-05-20 2019-01-04 富士胶片株式会社 导光部件及背光单元以及液晶显示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5828488A (en) * 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5808794A (en) * 1996-07-31 1998-09-15 Weber; Michael F. Reflective polarizers having extended red band edge for controlled off axis color
GB2321529A (en) * 1997-01-24 1998-07-29 Sharp Kk Broadband cholesteric optical device

Also Published As

Publication number Publication date
JP2006113519A (ja) 2006-04-27
TWI249064B (en) 2006-02-11
US20060077325A1 (en) 2006-04-13

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees