JP2022521041A - 光学デバイス - Google Patents
光学デバイス Download PDFInfo
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- JP2022521041A JP2022521041A JP2021542403A JP2021542403A JP2022521041A JP 2022521041 A JP2022521041 A JP 2022521041A JP 2021542403 A JP2021542403 A JP 2021542403A JP 2021542403 A JP2021542403 A JP 2021542403A JP 2022521041 A JP2022521041 A JP 2022521041A
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Abstract
Description
Claims (13)
- 対向配置された第1及び第2基材フィルム;及び前記第1及び第2基材フィルムの間に存在する光変調層を含む光学フィルムを有し、
前記第1及び第2基材フィルムの互いに対向する面には、それぞれ電極層が形成されており、
前記電極層は、前記光変調層に電界を印加できるように形成された第1領域と前記第1領域が前記電界を印加できるように前記電極層を外部電源と連結している第2領域を含み、
前記第1基材フィルム上の前記第2領域と前記第2基材フィルム上の前記第2領域は、互いに対向配置されており、
前記対向配置された第1及び第2基材フィルムの第2領域の間には絶縁層が存在する、光学デバイス。 - 前記第1及び第2基材フィルムの表面上で、前記第2領域は、前記第1領域を取り囲むように形成されている、請求項1に記載の光学デバイス。
- 前記第1及び第2基材フィルムを互いに付着させているシーラントをさらに含み、前記シーラントは、前記第1及び第2基材フィルムの前記第1及び第2領域の境界に存在しつつ前記第1及び第2基材フィルムを付着させている、請求項1または2に記載の光学デバイス。
- 前記光変調層は、液晶ホスト及び異方性染料ゲストを含み、少なくとも2種の互いに異なる配向状態の間をスイッチングし得る、請求項1から3の何れか一項に記載の光学デバイス。
- 前記互いに異なる配向状態は、垂直配向状態と水平配向状態を含む、請求項4に記載の光学デバイス。
- 線形偏光子をさらに含む、請求項1から5の何れか一項に記載の光学デバイス。
- 線形偏光子をさらに含み、前記線形偏光子は、前記光変調層の水平配向状態の平均光軸と線形偏光子の光吸収軸が成す角度が80度~100度又は35度~55度の範囲内になるように配置されている、請求項5に記載の光学デバイス。
- 前記第1及び第2基材フィルムの前記光変調層に対向する面上に存在する配向膜をさらに含む、請求項1から7の何れか一項に記載の光学デバイス。
- 前記第1及び第2基材フィルム上の前記配向膜の配向方向が成す角度は、-10度~10度の範囲内又は80度~90度の範囲内である、請求項8に記載の光学デバイス。
- 前記光学フィルムの少なくとも一側に配置された線形偏光子を含み、前記光学フィルムは、前記第1及び第2基材フィルムの前記光変調層に対向する面上に存在する配向膜をさらに含み、前記第1及び第2基材フィルムのうち前記線形偏光子に近い基材フィルム上に形成された前記配向膜の配向方向と前記線形偏光子の光吸収軸が成す角度が80度~90度の範囲内である、請求項1から5の何れか一項に記載の光学デバイス。
- 対向配置されている2枚の外郭基板をさらに含み、前記光学フィルムは、前記外郭基板の間に存在する、請求項1から10の何れか一項に記載の光学デバイス。
- 前記光学フィルムは、前記2枚の外郭基板の間でカプセル化剤により全面がカプセル化されている、請求項11に記載の光学デバイス。
- 一つ以上の開口部が形成されている車体;及び前記開口部に装着された請求項1から12の何れか一項に記載の光学デバイスを含む、自動車。
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