JP2023512976A - エレクトロクロミックデバイス、およびその変色方法 - Google Patents
エレクトロクロミックデバイス、およびその変色方法 Download PDFInfo
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Images
Classifications
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- 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
- G02F1/15—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 an electrochromic effect
- G02F1/1514—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1523—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
- G02F1/1525—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material characterised by a particular ion transporting layer, e.g. electrolyte
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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
- G02F1/15—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 an electrochromic effect
- G02F1/1514—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
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- G02F1/15165—Polymers
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Abstract
Description
前記第1のエレクトロクロミック層および前記第2のエレクトロクロミック層の材料は、いずれも陰極エレクトロクロミック材料または陽極エレクトロクロミック材料である、エレクトロクロミックデバイスを提供する。
(1)前処理されたエレクトロクロミックデバイスに第1の方向と反対する第2の方向の第2の電圧を印加することにより、前記第1のエレクトロクロミック層が第3の色から第1の色となり、前記第2のエレクトロクロミック層が第2の色から第4の色となるステップであって、前記前処理は、前記エレクトロクロミックデバイスに第1の方向の第1の電圧を印加することにより、前記第1のエレクトロクロミック層を第1の色から第3の色にし、前記第2のエレクトロクロミック層を第2の色にそのまま維持することであるステップと、
(2)前処理されたエレクトロクロミックデバイスに第1の方向の第3の電圧を印加することにより、前記第1のエレクトロクロミック層を第1の色から第3の色にし、前記第2のエレクトロクロミック層を第4の色から第2の色にする、ステップと、を含む
変色方法を提供する。
Claims (13)
- 順に積層された第1のベース、第1の透明導電層、第1のエレクトロクロミック層、電解質層、第2のエレクトロクロミック層、第2の透明導電層および第2のベースを含むエレクトロクロミックデバイスであって、
前記第1のエレクトロクロミック層および前記第2のエレクトロクロミック層の材料は、いずれも陰極エレクトロクロミック材料または陽極エレクトロクロミック材料である、
エレクトロクロミックデバイス。 - 前記第1の透明導電層および前記第2の透明導電層は、それぞれ独立して酸化インジウムスズ、酸化亜鉛アルミニウム、フッ素ドープ酸化スズ、銀ナノワイヤ、グラフェン、カーボンナノチューブ、金属グリッドおよび銀ナノ粒子のうちの少なくとも一方からなる、
請求項1に記載のエレクトロクロミックデバイス。 - 前記第1の透明導電層および前記第2の透明導電層の厚さは、それぞれ独立して1~1000nmである、
請求項1または2に記載のエレクトロクロミックデバイス。 - 前記第1のエレクトロクロミック層および前記第2のエレクトロクロミック層の材料は、同時に陰極エレクトロクロミック多色材料ではなく、且つ同時に陽極エレクトロクロミック多色材料ではない、
請求項1~3のいずれか一項に記載のエレクトロクロミックデバイス。 - 前記第1のエレクトロクロミック層および前記第2のエレクトロクロミック層の材料は、いずれも陰極エレクトロクロミック多色材料ではなく、且ついずれも陽極エレクトロクロミック多色材料ではない、
請求項1~4のいずれか一項に記載のエレクトロクロミックデバイス。 - 前記第1のエレクトロクロミック層および前記第2のエレクトロクロミック層の材料は、いずれも、陰極エレクトロクロミック還元状態着色材料、陰極エレクトロクロミック酸化状態着色材料、陽極エレクトロクロミック還元状態着色材料または陽極エレクトロクロミック酸化状態着色材料である、
請求項1~5のいずれか一項に記載のエレクトロクロミックデバイス。 - 前記第1のエレクトロクロミック層の単位面積あたりの最大電荷移動数は、0~35C/cm2であり、且つ0を含まず、
前記第2のエレクトロクロミック層の単位面積あたりの最大電荷移動数は、0~35C/cm2であり、且つ0を含まない、
請求項1~6のいずれか一項に記載のエレクトロクロミックデバイス。 - 前記第1のエレクトロクロミック層と前記第2のエレクトロクロミック層とは、単位面積あたりの最大電荷移動数の比率が1:50~50:1であり、好ましくは1:10~10:1である、
請求項1~7のいずれか一項に記載のエレクトロクロミックデバイス。 - 前記電解質層は、ゲル状電解質層、液体電解質層または固体電解質層であり、より好ましくは固体電解質層であり、さらに好ましくは固体ポリマー電解質層であり、
好ましくは、前記電解質層の厚さが0.1~200μmである、
請求項1~8のいずれか一項に記載のエレクトロクロミックデバイス。 - 前記第1のベースおよび前記第2のベースの材料は、それぞれ独立してガラスまたはフレキシブル材料であり、
好ましくは、前記フレキシブル材料は、PET、シクロオレフィンコポリマーまたはトリ酢酸セルロースである、
請求項1~9のいずれか一項に記載のエレクトロクロミックデバイス。 - 請求項1~10のいずれか一項に記載のエレクトロクロミックデバイスの変色方法であって、
(1)前処理されたエレクトロクロミックデバイスに第1の方向と反対する第2の方向の第2の電圧を印加することにより、前記第1のエレクトロクロミック層を第3の色から第1の色にし、前記第2のエレクトロクロミック層を第2の色から第4の色にするステップであって、前記前処理は、前記エレクトロクロミックデバイスに第1の方向の第1の電圧を印加することにより、前記第1のエレクトロクロミック層を第1の色から第3の色にし、前記第2のエレクトロクロミック層を第2の色にそのまま維持することである、ステップと、
(2)前処理されたエレクトロクロミックデバイスに第1の方向の第3の電圧を印加することにより、前記第1のエレクトロクロミック層を第1の色から第3の色にし、前記第2のエレクトロクロミック層を第4の色から第2の色にする、ステップと、を含む、
変色方法。 - 前記第1の電圧の絶対値は、前記第2のエレクトロクロミック層に不可逆な電気化学反応を発生させる臨界電圧であるV1以上である、
好ましくは、前記第3の電圧の絶対値は、前記第1の電圧の絶対値よりも小さい、
請求項11に記載の変色方法。 - 請求項1~10のいずれか一項に記載のエレクトロクロミックデバイスを含む、
電子端末。
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