WO2008078618A1 - 偏光素子、および液晶表示装置 - Google Patents

偏光素子、および液晶表示装置 Download PDF

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Publication number
WO2008078618A1
WO2008078618A1 PCT/JP2007/074384 JP2007074384W WO2008078618A1 WO 2008078618 A1 WO2008078618 A1 WO 2008078618A1 JP 2007074384 W JP2007074384 W JP 2007074384W WO 2008078618 A1 WO2008078618 A1 WO 2008078618A1
Authority
WO
WIPO (PCT)
Prior art keywords
polarizing element
liquid crystal
display device
crystal display
sheet
Prior art date
Application number
PCT/JP2007/074384
Other languages
English (en)
French (fr)
Inventor
Yoshinori Ikeda
Takashi Shiro
Original Assignee
Teijin Limited
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 Teijin Limited filed Critical Teijin Limited
Priority to CN2007800484277A priority Critical patent/CN101573643B/zh
Priority to JP2008551049A priority patent/JP5015960B2/ja
Priority to EP07850857A priority patent/EP2103968B1/en
Priority to US12/518,225 priority patent/US8471983B2/en
Publication of WO2008078618A1 publication Critical patent/WO2008078618A1/ja
Priority to HK10101066.5A priority patent/HK1137516A1/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3066—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state involving the reflection of light at a particular angle of incidence, e.g. Brewster's angle
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements

Abstract

反射型偏光素子としての機能を発現するとともに、製造が比較的簡易であり、素子の強度の面でも問題がなく、さらに、偏光素子を透過した後の光の強度と進行方向とを維持することのできる偏光素子を提供する。また、この偏光素子を用いることにより、光の利用効率が高められた液晶表示装置を提供する。具体的には、面内に光学軸を有する略一軸性のシートの表面に、特定の角度を有する多角形状の複数のプリズムを構成し、当該シートの進相軸方向の屈折率と略同一の屈折率を有する光学透明樹脂層により当該プリズムを被覆した素子とする。
PCT/JP2007/074384 2006-12-27 2007-12-19 偏光素子、および液晶表示装置 WO2008078618A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2007800484277A CN101573643B (zh) 2006-12-27 2007-12-19 偏振元件和液晶显示装置
JP2008551049A JP5015960B2 (ja) 2006-12-27 2007-12-19 偏光素子、および液晶表示装置
EP07850857A EP2103968B1 (en) 2006-12-27 2007-12-19 Polarizing element and liquid crystal display device
US12/518,225 US8471983B2 (en) 2006-12-27 2007-12-19 Polarizing element and liquid crystal display device
HK10101066.5A HK1137516A1 (en) 2006-12-27 2010-01-29 Polarizing element and liquid crystal display device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006-351770 2006-12-27
JP2006351770 2006-12-27
JP2006355001 2006-12-28
JP2006-355001 2006-12-28

Publications (1)

Publication Number Publication Date
WO2008078618A1 true WO2008078618A1 (ja) 2008-07-03

Family

ID=39562411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074384 WO2008078618A1 (ja) 2006-12-27 2007-12-19 偏光素子、および液晶表示装置

Country Status (8)

Country Link
US (1) US8471983B2 (ja)
EP (1) EP2103968B1 (ja)
JP (1) JP5015960B2 (ja)
KR (1) KR20090102783A (ja)
CN (1) CN101573643B (ja)
HK (1) HK1137516A1 (ja)
TW (1) TW200835949A (ja)
WO (1) WO2008078618A1 (ja)

Cited By (5)

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JP2009043460A (ja) * 2007-08-07 2009-02-26 Sony Corp 照明装置および液晶表示装置
JP2010019898A (ja) * 2008-07-08 2010-01-28 Teijin Chem Ltd ポリエチレン−２，６−ナフタレートから形成されたレンズフィルムおよびその製造方法
JP2010134328A (ja) * 2008-12-08 2010-06-17 Disco Abrasive Syst Ltd 偏光素子およびレーザーユニット
JP2010157517A (ja) * 2010-02-10 2010-07-15 Sony Corp 照明装置および液晶表示装置
JP7470206B2 (ja) 2020-10-29 2024-04-17 日東電工株式会社 ホワイトボードフィルム、ホワイトボードおよび覗き見防止システム

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009043460A (ja) * 2007-08-07 2009-02-26 Sony Corp 照明装置および液晶表示装置
JP2010019898A (ja) * 2008-07-08 2010-01-28 Teijin Chem Ltd ポリエチレン−２，６−ナフタレートから形成されたレンズフィルムおよびその製造方法
JP2010134328A (ja) * 2008-12-08 2010-06-17 Disco Abrasive Syst Ltd 偏光素子およびレーザーユニット
JP2010157517A (ja) * 2010-02-10 2010-07-15 Sony Corp 照明装置および液晶表示装置
JP7470206B2 (ja) 2020-10-29 2024-04-17 日東電工株式会社 ホワイトボードフィルム、ホワイトボードおよび覗き見防止システム

Also Published As

Publication number Publication date
HK1137516A1 (en) 2010-07-30
KR20090102783A (ko) 2009-09-30
JPWO2008078618A1 (ja) 2010-04-22
EP2103968B1 (en) 2012-09-12
EP2103968A4 (en) 2011-07-27
US20100045902A1 (en) 2010-02-25
CN101573643A (zh) 2009-11-04
EP2103968A1 (en) 2009-09-23
TW200835949A (en) 2008-09-01
US8471983B2 (en) 2013-06-25
CN101573643B (zh) 2011-03-09
JP5015960B2 (ja) 2012-09-05

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