JP7463645B2 - 偏光可変素子 - Google Patents
偏光可変素子 Download PDFInfo
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- JP7463645B2 JP7463645B2 JP2021558790A JP2021558790A JP7463645B2 JP 7463645 B2 JP7463645 B2 JP 7463645B2 JP 2021558790 A JP2021558790 A JP 2021558790A JP 2021558790 A JP2021558790 A JP 2021558790A JP 7463645 B2 JP7463645 B2 JP 7463645B2
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- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 7
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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
- G02F1/0136—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 for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
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- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—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
- G02F1/0126—Opto-optical modulation, i.e. control of one light beam by another light beam, not otherwise provided for in this subclass
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
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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
- G02F1/137—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
- G02F1/13725—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 guest-host interaction
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/14—Materials and properties photochromic
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ophthalmology & Optometry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Inorganic Insulating Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Description
本出願は、2019年4月18日に出願された大韓民国特許出願第10-2019-0045486号に基づく優先権の利益を主張し、該当大韓民国特許出願の文献に開示されたすべての内容は本明細書の一部として組み込まれる。
本出願は、偏光可変素子に関する。
液晶及び異方性染料は、偏光状態で水平配向された状態で存在する。また、液晶及び異方性染料は、非偏光状態で垂直配向された状態で存在する。
Claims (14)
- フォトクロミック(photochromic)層、及び
液晶及び異方性染料を含み、電圧の印加によって水平配向状態と垂直配向状態の間をスイッチングするゲストホスト液晶層を含み、
前記水平配向状態の液晶分子の光軸は互いに平行であり、
前記フォトクロミック層は、式1を満足し、
[式1]
A-B≧50%
式1で、Aは、△Tmax波長での紫外線の照射前の前記フォトクロミック層の透過度(%)であり、Bは、△Tmax波長での紫外線の照射後の前記フォトクロミック層の透過度(%)であり、△Tmax波長は、紫外線の非照射状態と照射状態での前記フォトクロミック層の透過度差が最大の波長を意味し、
△Tmax波長は500nm~600nmの範囲である、偏光可変素子。 - 前記フォトクロミック層は、紫外線の照射によって透過度を変化させるフォトクロミック物質を含む、請求項1に記載の偏光可変素子。
- 前記偏光可変素子は、45%~95%範囲内の偏光度を有する偏光状態と0%~10%の偏光度を有する非偏光状態の間をスイッチングすることができる、請求項1または2に記載の偏光可変素子。
- 前記偏光可変素子は、偏光状態で透過率が15%以下であり、非偏光状態で透過率が35%以上である、請求項1から3のいずれか一項に記載の偏光可変素子。
- 前記偏光可変素子は、偏光状態と非偏光状態でそれぞれヘイズが10%以下である、請求項1から4のいずれか一項に記載の偏光可変素子。
- 前記偏光可変素子は前記フォトクロミック層が紫外線照射されている状態では偏光状態であり、前記フォトクロミック層は前記偏光状態で透過率が60%以下である、請求項1から5の何れか一項に記載の偏光可変素子。
- 前記偏光可変素子は前記フォトクロミック層が紫外線照射されていない状態では非偏光状態であり、前記フォトクロミック層は前記非偏光状態で透過率が80%以上である、請求項1から6の何れか一項に記載の偏光可変素子。
- 前記液晶及び異方性染料は、偏光状態で水平配向された状態で存在する、請求項1から7の何れか一項に記載の偏光可変素子。
- 前記液晶及び異方性染料は、非偏光状態で垂直配向された状態で存在する、請求項1から8の何れか一項に記載の偏光可変素子。
- 前記液晶及び異方性染料は非偏光状態で垂直配向された状態で存在し、
前記ゲストホスト液晶層の両側に第一配向膜及び第二配向膜を含み、前記第一配向膜及び前記第二配向膜の配向軸のなす角度が10度以下である、請求項1から9の何れか一項に記載の偏光可変素子。 - 前記ゲストホスト液晶層の両面に第1電極フィルムと第2電極フィルムをさらに含む、請求項1から10の何れか一項に記載の偏光可変素子。
- 前記フォトクロミック層の一面に配置された基板をさらに含む、請求項1から11の何れか一項に記載の偏光可変素子。
- 前記フォトクロミック層の他の一面に配置された基材層をさらに含む、請求項12に記載の偏光可変素子。
- 前記ゲストホスト液晶層の一面に反射防止層をさらに含む、請求項1から13の何れか一項に記載の偏光可変素子。
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