JP7480288B2 - 逆荷電粒子を含む電気光学媒体およびそれを組み込む可変透過デバイス - Google Patents
逆荷電粒子を含む電気光学媒体およびそれを組み込む可変透過デバイス Download PDFInfo
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- JP7480288B2 JP7480288B2 JP2022524635A JP2022524635A JP7480288B2 JP 7480288 B2 JP7480288 B2 JP 7480288B2 JP 2022524635 A JP2022524635 A JP 2022524635A JP 2022524635 A JP2022524635 A JP 2022524635A JP 7480288 B2 JP7480288 B2 JP 7480288B2
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- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
-
- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F2001/1678—Constructional details characterised by the composition or particle type
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- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
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- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Description
本願は、2019年11月14日に出願された米国仮特許出願第62/935,455号の優先権を主張する。本明細書で開示される全ての特許および刊行物は、参照することによってその全体として組み込まれる。
本明細書は、例えば、以下の項目も提供する。
(項目1)
可変透過電気光学媒体であって、前記可変透過電気光学媒体は、複数の荷電粒子と流体とを含むカプセル化双安定性分散体を備え、
前記荷電粒子は、電場の印加によって移動可能であり、開状態と閉状態との間で切り替えられることが可能であり、
前記複数の荷電粒子は、第1の組の荷電粒子と第2の組の荷電粒子とを備え、前記第1の組の荷電粒子の色は、前記第2の組の荷電粒子の色と同じであり、前記第1の組の荷電粒子は、前記第2の組の荷電粒子の極性と反対である極性を有する、可変透過電気光学媒体。
(項目2)
前記分散体は、前記分散体の重量比10%未満の安定剤をさらに備えている、項目1に記載の可変透過電気光学媒体。
(項目3)
前記分散体は、前記安定剤を含まない、項目2に記載の可変透過電気光学媒体。
(項目4)
前記安定剤は、ポリイソブチレンおよびポリスチレンから成る群から選択される、項目2に記載の可変透過電気光学媒体。
(項目5)
前記第1および第2の組の荷電粒子の色は、赤色、緑色、青色、シアン色、マゼンタ色、黄色、白色、および黒色から成る群から選択される、項目1に記載の可変透過電気光学媒体。
(項目6)
前記流体は、無色である、項目1に記載の可変透過電気光学媒体。
(項目7)
前記流体の色は、赤色、緑色、青色、シアン色、マゼンタ色、黄色、黒色、および白色から成る群から選択される、項目1に記載の可変透過電気光学媒体。
(項目8)
前記分散体内の前記第2の組の荷電粒子に対する前記第1の組の荷電粒子の重量比は、1.0より大きい、項目1に記載の可変透過電気光学媒体。
(項目9)
前記分散体は、複数のカプセル内にカプセル化され、前記媒体は、結合剤をさらに備えている、項目1に記載の可変透過電気光学媒体。
(項目10)
2つの光透過性電極間に配置された項目9に記載の可変透過電気光学媒体の層を備えているデバイス。
(項目11)
複数のシールされたマイクロセルを備えているポリマーシートをさらに備え、前記分散体は、前記複数のシールされたマイクロセル内にカプセル化されている、項目1に記載の可変透過電気光学媒体。
(項目12)
2つの光透過性電極間に配置された項目11に記載の可変透過電気光学媒体の層を備えているデバイス。
(項目13)
連続ポリマー相をさらに備え、前記分散体は、前記連続ポリマー相内にカプセル化された複数の液滴中に提供された項目1に記載の可変透過電気光学媒体。
(項目14)
2つの光透過性電極間に配置された項目13に記載の可変透過電気光学媒体の層を備えているデバイス。
(項目15)
可変透過電気光学媒体であって、前記可変透過電気光学媒体は、複数の荷電粒子と流体とを含むカプセル化双安定性分散体を備え、
前記荷電粒子は、電場の印加によって移動可能であり、開状態と閉状態との間で切り替えられることが可能であり、
前記複数の荷電粒子は、第1の組の荷電粒子と第2の組の荷電粒子とを備え、前記第1の組の荷電粒子は、光透過性であり、かつ前記流体の屈折率に合致する屈折率を有し、前記第2の組の荷電粒子は、前記第1の組の荷電粒子の極性と反対である電荷極性を有する、可変透過電気光学媒体。
(項目16)
前記分散体は、前記分散体の重量比10%未満の安定剤をさらに備えている、項目15に記載の可変透過電気光学媒体。
(項目17)
前記分散体は、前記安定剤を含まない、項目16に記載の可変透過電気光学媒体。
(項目18)
前記第2の組の荷電粒子の色は、赤色、緑色、青色、シアン色、マゼンタ色、黄色、白色、および黒色から成る群から選択される、項目15に記載の可変透過電気光学媒体。
(項目19)
前記流体は、無色である、項目15に記載の可変透過電気光学媒体。
(項目20)
前記流体の屈折率および前記第1の組の荷電粒子の屈折率は、550nmにおいて、1.51~1.57である、項目15に記載の可変透過電気光学媒体。
(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7,002,728号および第7,679,814号参照)
(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号および第7,411,719号参照)
(c)マイクロセル構造、壁材料、およびマイクロセルを形成する方法(例えば、米国特許第7,072,095号および第9,279,906号参照)
(d)マイクロセルを充填およびシールする方法(例えば、米国特許第7,144,942号および第7,715,088号参照)
(e)電気光学材料を含む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号および第7,839,564号参照)
(f)バックプレーン、接着剤層、および他の補助層、および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号および第7,535,624号参照)
(g)色形成および色調節(例えば、米国特許第7,075,502号および第7,839,564号参照)
(h)ディスプレイを駆動する方法(例えば、米国特許第7,012,600号および第7,453,445号参照)
(i)ディスプレイの用途(例えば、米国特許第7,312,784号および第8,009,348号参照)
(j)非電気泳動ディスプレイ(米国特許第6,241,921号および米国特許出願公開第2015/0277160号に説明される)、ディスプレイ以外のカプセル化およびマイクロセル技術の用途(例えば、米国特許出願第2015/0,005,720号および第2016/0,012,710号参照)
Claims (17)
- 可変透過電気光学媒体であって、前記可変透過電気光学媒体は、複数の荷電粒子と流体とを含むカプセル化双安定性分散体を備え、
前記荷電粒子は、電場の印加によって移動可能であり、開状態と閉状態との間で切り替えられることが可能であり、前記カプセル化双安定性分散体は、複数のカプセル内にカプセル化され、
前記複数の荷電粒子は、第1の組の荷電粒子と第2の組の荷電粒子とを備え、前記第1の組の荷電粒子の色は、前記第2の組の荷電粒子の色と同じであり、前記第1の組の荷電粒子は、前記第2の組の荷電粒子の極性と反対である極性を有し、前記カプセル化双安定性分散体内の前記第2の組の荷電粒子に対する前記第1の組の荷電粒子の重量比は、1.0より大きく、前記複数のカプセルの側壁は、前記第2の組の荷電粒子の極性と同一である極性を有し、前記第1の組の荷電粒子と前記第2の組の荷電粒子は、混合してヘテロ凝集を形成し、前記カプセル化双安定性分散体は、前記カプセル化双安定性分散体の重量比10%未満の安定剤をさらに備えている、可変透過電気光学媒体。 - 前記カプセル化双安定性分散体は、前記安定剤を含まない、請求項1に記載の可変透過電気光学媒体。
- 前記安定剤は、ポリイソブチレンおよびポリスチレンから成る群から選択される、請求項1に記載の可変透過電気光学媒体。
- 前記第1および第2の組の荷電粒子の色は、赤色、緑色、青色、シアン色、マゼンタ色、黄色、白色、および黒色から成る群から選択される、請求項1に記載の可変透過電気光学媒体。
- 前記流体は、無色である、請求項1に記載の可変透過電気光学媒体。
- 前記流体の色は、赤色、緑色、青色、シアン色、マゼンタ色、黄色、黒色、および白色から成る群から選択される、請求項1に記載の可変透過電気光学媒体。
- 前記媒体は、結合剤をさらに備えている、請求項1に記載の可変透過電気光学媒体。
- 2つの光透過性電極間に配置された請求項7に記載の可変透過電気光学媒体の層を備えているデバイス。
- 複数のシールされたマイクロセルを備えているポリマーシートをさらに備え、前記カプセル化双安定性分散体は、前記複数のシールされたマイクロセル内にカプセル化されている、請求項1に記載の可変透過電気光学媒体。
- 2つの光透過性電極間に配置された請求項9に記載の可変透過電気光学媒体の層を備えているデバイス。
- 連続ポリマー相をさらに備え、前記カプセル化双安定性分散体は、前記連続ポリマー相内にカプセル化された複数の液滴中に提供されている、請求項1に記載の可変透過電気光学媒体。
- 2つの光透過性電極間に配置された請求項11に記載の可変透過電気光学媒体の層を備えているデバイス。
- 可変透過電気光学媒体であって、前記可変透過電気光学媒体は、複数の荷電粒子と流体とを含むカプセル化双安定性分散体を備え、
前記荷電粒子は、電場の印加によって移動可能であり、開状態と閉状態との間で切り替えられることが可能であり、前記カプセル化双安定性分散体は、複数のカプセル内にカプセル化され、
前記複数の荷電粒子は、第1の組の荷電粒子と第2の組の荷電粒子とを備え、前記第1の組の荷電粒子は、光透過性であり、かつ前記流体の屈折率に合致する屈折率を有し、前記第2の組の荷電粒子は、前記第1の組の荷電粒子の極性と反対である電荷極性を有し、前記カプセル化双安定性分散体内の前記第2の組の荷電粒子に対する前記第1の組の荷電粒子の重量比は、1.0より大きく、前記複数のカプセルの側壁は、前記第2の組の荷電粒子の極性と同一である極性を有し、前記第1の組の荷電粒子と前記第2の組の荷電粒子は、混合してヘテロ凝集を形成し、前記カプセル化双安定性分散体は、前記カプセル化双安定性分散体の重量比10%未満の安定剤をさらに備えている、可変透過電気光学媒体。 - 前記カプセル化双安定性分散体は、前記安定剤を含まない、請求項13に記載の可変透過電気光学媒体。
- 前記第2の組の荷電粒子の色は、赤色、緑色、青色、シアン色、マゼンタ色、黄色、白色、および黒色から成る群から選択される、請求項13に記載の可変透過電気光学媒体。
- 前記流体は、無色である、請求項13に記載の可変透過電気光学媒体。
- 前記流体の屈折率および前記第1の組の荷電粒子の屈折率は、550nmにおいて、1.51~1.57である、請求項13に記載の可変透過電気光学媒体。
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CN114641723A (zh) | 2022-06-17 |
US11740530B2 (en) | 2023-08-29 |
WO2021097180A1 (en) | 2021-05-20 |
JP2023126428A (ja) | 2023-09-07 |
EP4058844A4 (en) | 2024-01-24 |
EP4058844A1 (en) | 2022-09-21 |
JP2022553989A (ja) | 2022-12-27 |
US20210149267A1 (en) | 2021-05-20 |
KR20220069973A (ko) | 2022-05-27 |
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