JP7152494B2 - ナノ粒子ベースの可変透過デバイス - Google Patents
ナノ粒子ベースの可変透過デバイス Download PDFInfo
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Images
Classifications
-
- 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
- G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
- G02F1/176—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 using acid- based indicators
-
- 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
- G02F1/19—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 variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
-
- 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
- G02F2202/36—Micro- or nanomaterials
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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
- G02F2202/00—Materials and properties
- G02F2202/42—Materials having a particular dielectric constant
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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
- G02F2203/00—Function characteristic
- G02F2203/03—Function characteristic scattering
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Description
(a)電気泳動粒子、流体、および流体添加物;例えば、米国特許第5,961,804号;同第6,017,584号;同第6,120,588号;同第6,120,839号;同第6,262,706号;同第6,262,833号;同第6,300,932号;同第6,323,989号;同第6,377,387号;同第6,515,649号;同第6,538,801号;同第6,580,545号;同第6,652,075号;同第6,693,620号;同第6,721,083号;同第6,727,881号;同第6,822,782号;同第6,870,661号;同第7,002,728号;同第7,038,655号;同第7,170,670号;同第7,180,649号;同第7,230,750号;同第7,230,751号;同第7,236,290号;同第7,247,379号;同第7,312,916号;同第7,375,875号;同第7,411,720号;同第7,532,388号;同第7,679,814号;同第7,746,544号;同第7,848,006号;同第7,903,319号;同第8,018,640号;同第8,115,729号;同第8,199,395号;同第8,270,064号;および同第8,305,341号;ならびに米国特許出願公開第2005/0012980号;同第2008/0266245号;同第2009/0009852号;同第2009/0206499号;同第2009/0225398号;同第2010/0148385号;同第2010/0207073号;および同第2011/0012825号を参照のこと;
(b)カプセル、結合剤、およびカプセル化プロセス;例えば、米国特許第6,922,276号および同第7,411,719号を参照のこと;
(c)電気光学材料を含有するフィルムおよびサブアセンブリ;例えば、米国特許第6,982,178号および同第7,839,564号を参照のこと;
(d)ブラック平面、接着剤層、および他の補助層、ならびにディスプレイにおいて使用される方法;例えば、米国特許第7,116,318号および同第7,535,624号を参照のこと;
(e)色形成および色調節;例えば、米国特許第7,075,502号および同第7,839,564号を参照のこと;
(f)ディスプレイの駆動方法;例えば、米国特許第7,012,600号および同第7,453,445号を参照のこと;
(g)ディスプレイの適用;例えば、米国特許第7,312,784号および同第8,009,348号を参照のこと;および
(h)非電気泳動ディスプレイ、米国特許第6,241,921号;同第6,950,220号;同第7,420,549号、および同第8,319,759号;ならびに米国特許出願公開第2012/0293858号に記載。
したがって、可変透過デバイスがナノ粒子に基づいて構築される場合、前述の米国特許第6,323,989号;同第6,538,801号、および同第6,721,083号に記載の電気泳動法よりも有効にナノ粒子を凝集および脱凝集する方法が必要であり、本発明は、そのような方法を提供することを試みている。
例えば、本発明は、以下の項目を提供する。
(項目1)
リモネンおよび前記リモネン中に分散された複数の二酸化ジルコニウムナノ粒子を含む可変透過媒体であって、前記二酸化ジルコニウムナノ粒子および前記リモネンが、複数のカプセルまたはマイクロセル内に閉じ込められているか、ポリマー材料を含む連続相によって取り囲まれる複数の離散液滴として存在し、前記媒体の酸性化により前記二酸化ジルコニウムナノ粒子が凝集し、光を散乱する粒子の凝集体を形成する、可変透過媒体。
(項目2)
前記媒体が、電流を提供することによって酸性化される、項目1に記載の可変透過媒体。
(項目3)
前記二酸化ジルコニウムナノ粒子上に、少なくとも10個の炭素原子の鎖に付着したカルボン酸基またはカルボキシラート基を含む安定化材料が吸着している、項目1に記載の可変透過媒体。
(項目4)
前記安定化材料がステアリン酸を含む、項目3に記載の可変透過媒体。
(項目5)
2つの光透過性基板および前記基板の間に配置された可変透過媒体を含む可変透過アセンブリであって、前記可変透過媒体が、リモネンおよび前記リモネン中に分散された複数の二酸化ジルコニウムナノ粒子を含み、前記媒体の酸性化により前記二酸化ジルコニウムナノ粒子が凝集し、光を散乱する粒子の凝集体を形成する、可変透過アセンブリ。
(項目6)
前記媒体が、電流を提供することによって酸性化される、項目5に記載の可変透過媒体。
(項目7)
前記2つの光透過性基板の隣接表面上に配置された光透過性電極をさらに含む、項目5に記載の可変透過アセンブリ。
(項目8)
前記光透過性電極が、インジウムスズ酸化物(ITO)またはポリ(3,4-エチレンジオキシチオフェン)ポリスチレンスルホナート(PEDOT)を含む、項目7に記載の可変透過アセンブリ。
(項目9)
前記二酸化ジルコニウムナノ粒子上に、少なくとも10個の炭素原子の鎖に付着したカルボン酸基またはカルボキシラート基を含む安定化材料が吸着している、項目5に記載の可変透過媒体。
(項目10)
前記安定化材料がステアリン酸を含む、項目9に記載の可変透過媒体。
(項目11)
前記二酸化ジルコニウムナノ粒子の直径が10nmと100nmとの間である、項目1~10のいずれか1項に記載の可変透過媒体。
(項目12)
可変透過アセンブリの不透明度を変動させる方法であって、
第1の光透過性電極、第2の光透過性電極、および前記第1の光透過性電極と前記第2の光透過性電極との間に配置された可変透過媒体を含む可変透過アセンブリを提供する工程であって、前記可変透過媒体が、誘電率が10未満の流体中に分散された二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子を含む、提供する工程;および
前記第1の光透過性電極と前記第2の光透過性電極との間に可変透過媒体を通して電流を提供する工程
を含む、方法。
(項目13)
前記可変透過媒体が、複数のマイクロカプセル、マイクロセル、または離散液滴内に閉じ込められており、前記離散液滴が、ポリマー材料を含む連続相によって取り囲まれている、項目12に記載の方法。
(項目14)
前記二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子上に、少なくとも10個の炭素原子の鎖に付着したカルボン酸基またはカルボキシラート基を含む安定化材料が吸着している、項目12に記載の方法。
(項目15)
前記安定化材料がステアリン酸を含む、項目14に記載の方法。
(項目16)
前記流体が、脂肪族炭化水素またはテルペンを含む、項目12に記載の方法。
(項目17)
前記テルペンがリモネンである、項目16に記載の方法。
(項目18)
前記第1の光透過性電極または前記第2の光透過性電極が、インジウムスズ酸化物(ITO)またはポリ(3,4-エチレンジオキシチオフェン)ポリスチレンスルホナート(PEDOT)を含む、項目12~17のいずれか1項に記載の方法。
(項目19)
前記二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子の直径が10nmと100nmとの間である、項目12~18のいずれか1項に記載の方法。
Claims (20)
- リモネンおよび前記リモネン中に分散された複数の二酸化ジルコニウムナノ粒子を含む可変透過媒体であって、前記二酸化ジルコニウムナノ粒子および前記リモネンが、複数のカプセルまたはマイクロセル内に閉じ込められているか、ポリマー材料を含む連続相によって取り囲まれる複数の離散液滴として存在し、前記媒体の酸性化により前記二酸化ジルコニウムナノ粒子が凝集し、光を散乱する粒子の凝集体を形成する、可変透過媒体。
- 前記媒体が、電流を提供することによって酸性化される、請求項1に記載の可変透過媒体。
- 前記二酸化ジルコニウムナノ粒子上に、少なくとも10個の炭素原子の鎖に付着したカルボン酸基またはカルボキシラート基を含む安定化材料が吸着している、請求項1に記載の可変透過媒体。
- 前記安定化材料がステアリン酸を含む、請求項3に記載の可変透過媒体。
- 2つの光透過性基板および前記基板の間に配置された可変透過媒体を含む可変透過アセンブリであって、前記可変透過媒体が、リモネンおよび前記リモネン中に分散された複数の二酸化ジルコニウムナノ粒子を含み、前記媒体の酸性化により前記二酸化ジルコニウムナノ粒子が凝集し、光を散乱する粒子の凝集体を形成する、可変透過アセンブリ。
- 前記可変透過媒体が、電流を提供することによって酸性化される、請求項5に記載の可変透過アセンブリ。
- 前記2つの光透過性基板の隣接表面上に配置された光透過性電極をさらに含む、請求項5に記載の可変透過アセンブリ。
- 前記光透過性電極が、インジウムスズ酸化物(ITO)またはポリ(3,4-エチレンジオキシチオフェン)ポリスチレンスルホナート(PEDOT)を含む、請求項7に記載の可変透過アセンブリ。
- 前記二酸化ジルコニウムナノ粒子上に、少なくとも10個の炭素原子の鎖に付着したカルボン酸基またはカルボキシラート基を含む安定化材料が吸着している、請求項5に記載の可変透過アセンブリ。
- 前記安定化材料がステアリン酸を含む、請求項9に記載の可変透過アセンブリ。
- 前記二酸化ジルコニウムナノ粒子の直径が10nmと100nmとの間である、請求項1~4のいずれか1項に記載の可変透過媒体。
- 可変透過アセンブリの不透明度を変動させる方法であって、
第1の光透過性電極、第2の光透過性電極、および前記第1の光透過性電極と前記第2の光透過性電極との間に配置された可変透過媒体を含む可変透過アセンブリを提供する工程であって、前記可変透過媒体が、誘電率が10未満の流体中に分散された二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子を含み、前記媒体の酸性化により前記二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子が凝集し、光を散乱する粒子の凝集体を形成する、工程;および
前記第1の光透過性電極と前記第2の光透過性電極との間に可変透過媒体を通して電流を提供する工程
を含む、方法。 - 前記可変透過媒体が、複数のマイクロカプセル、マイクロセル、または離散液滴内に閉じ込められており、前記離散液滴が、ポリマー材料を含む連続相によって取り囲まれている、請求項12に記載の方法。
- 前記二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子上に、少なくとも10個の炭素原子の鎖に付着したカルボン酸基またはカルボキシラート基を含む安定化材料が吸着している、請求項12に記載の方法。
- 前記安定化材料がステアリン酸を含む、請求項14に記載の方法。
- 前記流体が、脂肪族炭化水素またはテルペンを含む、請求項12に記載の方法。
- 前記テルペンがリモネンである、請求項16に記載の方法。
- 前記第1の光透過性電極または前記第2の光透過性電極が、インジウムスズ酸化物(ITO)またはポリ(3,4-エチレンジオキシチオフェン)ポリスチレンスルホナート(PEDOT)を含む、請求項12~17のいずれか1項に記載の方法。
- 前記二酸化ジルコニウムナノ粒子、二酸化チタンナノ粒子、または酸化亜鉛ナノ粒子の直径が10nmと100nmとの間である、請求項12~18のいずれか1項に記載の方法。
- 前記二酸化ジルコニウムナノ粒子の直径が10nmと100nmとの間である、請求項5~10のいずれか1項に記載の可変透過アセンブリ。
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WO2012162095A2 (en) | 2011-05-21 | 2012-11-29 | E Ink Corporation | Electro-optic displays |
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2018
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- 2018-04-23 EP EP18725071.7A patent/EP3785075B1/en active Active
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JP2004522180A (ja) | 2000-12-08 | 2004-07-22 | イー−インク コーポレイション | ナノパーティクルを用いる電気泳動ディスプレイ |
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JP2014208595A (ja) | 2013-04-16 | 2014-11-06 | 旭硝子株式会社 | 含フッ素カーボネートの製造方法 |
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EP3785075C0 (en) | 2023-06-07 |
EP3785075A1 (en) | 2021-03-03 |
JP2021515274A (ja) | 2021-06-17 |
CN112005166B (zh) | 2024-05-10 |
EP3785075B1 (en) | 2023-06-07 |
WO2019209240A1 (en) | 2019-10-31 |
JP2022040289A (ja) | 2022-03-10 |
CN112005166A (zh) | 2020-11-27 |
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