JP7116780B2 - 可撓性の液晶セル及びレンズ - Google Patents
可撓性の液晶セル及びレンズ Download PDFInfo
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Description
Claims (23)
- 電気的に調整可能なレンズであって、
第1配向層及び第2配向層と、
前記第1配向層及び前記第2配向層の間のギャップ内の弾性ポリマーポストのアレイと、
前記第1配向層及び前記第2配向層の間の前記ギャップ内であって前記アレイのポストの周囲に閉じ込められた液晶と、
当該レンズのレンズ屈折力を制御するために前記液晶に電界を誘発するように配置された1または複数の電極と、
を備え、
前記アレイのポストは、前記第1配向層から前記第2配向層まで延びており、
前記第1及び第2配向層の少なくとも1つ、及び、前記ポストのアレイは、共通のメソゲンのポリマーを含む
ことを特徴とする電気的に調整可能なレンズ。 - 前記第1及び第2配向層は、前記ギャップに隣接する表面の近くで配向された液晶部分を含む
ことを特徴とする請求項1に記載の電気的に調整可能なレンズ。 - 電気的に調整可能なレンズであって、
第1配向層及び第2配向層と、
前記第1配向層及び前記第2配向層の間のギャップ内の弾性ポリマーポストのアレイと、
前記第1配向層及び前記第2配向層の間の前記ギャップ内であって前記アレイのポストの周囲に閉じ込められた液晶と、
当該レンズのレンズ屈折力を制御するために前記液晶に電界を誘発するように配置された1または複数の電極と、
を備え、
前記アレイのポストは、前記第1配向層から前記第2配向層まで延びており、
前記第1及び第2配向層は、前記ギャップに隣接する表面の近くで配向された液晶部分を含む
ことを特徴とする電気的に調整可能なレンズ。 - 前記ギャップは、10mm未満の折り畳み半径での曲げの前に平均厚さXを有し、当該曲げからの回復後に平均厚さYを有し、Y=X±10%Xである
ことを特徴とする請求項1乃至3のいずれかに記載の電気的に調整可能なレンズ。 - 前記ポストのアレイのうち少なくとも1つのポストが、当該レンズの光学ゾーン内に配置されている
ことを特徴とする請求項1乃至4のいずれかに記載の電気的に調整可能なレンズ。 - 電気的に調整可能なレンズであって、
第1配向層及び第2配向層と、
前記第1配向層及び前記第2配向層の間のギャップ内の弾性ポリマーポストのアレイと、
前記第1配向層及び前記第2配向層の間の前記ギャップ内であって前記アレイのポストの周囲に閉じ込められた液晶と、
前記液晶に電界を誘発するように配置された1または複数の電極と、
第3配向層と、
前記第2配向層及び前記第3配向層の間に位置する第2ギャップ内のエラストマーポストの第2アレイと、
前記第2ギャップ内であって前記第2アレイのポストの周囲に閉じ込められた液晶と、
を備え、
前記アレイのポストは、前記第1配向層から前記第2配向層まで延びている
ことを特徴とする電気的に調整可能なレンズ。 - 前記第2配向層は、前記ギャップに隣接する第1面の近くで光路に直交するように平行に配向されたディレクタと、前記第2ギャップに隣接する第2面の近くで前記光路に直交すると共に前記第1面の近くの前記ディレクタに直交するように配向されたディレクタと、を有する液晶部分を含む
ことを特徴とする請求項6に記載の電気的に調整可能なレンズ。 - 前記第1及び第3配向層は、垂直配向のために構成されており、前記ギャップ内の前記液晶の前記第1配向層の近くのディレクタと、前記第2ギャップ内の前記液晶の前記第3配向層の近くのディレクタと、を誘導して、前記光路に平行に整列させる
ことを特徴とする請求項7に記載の電気的に調整可能なレンズ。 - 前記第1及び第3配向層は、光路に直交する配向のために構成されており、前記ギャップ内の前記液晶の前記第1配向層の近くのディレクタと、前記第2ギャップ内の前記液晶の前記第3配向層の近くのディレクタと、を誘導して、前記光路に直交するように整列させる
ことを特徴とする請求項7に記載の電気的に調整可能なレンズ。 - 前記第1及び第3配向層の少なくとも1つは、パッシブレンズ屈折力を有する
ことを特徴とする請求項7に記載の電気的に調整可能なレンズ。 - 前記第1、第2及び第3配向層は、ポリマー配向層を含む
ことを特徴とする請求項6乃至10のいずれかに記載の電気的に調整可能なレンズ。 - 液晶レンズの製造方法であって、
第1可撓性配向層と第2可撓性配向層との間にギャップを設けて両者を組み立てる工程と、
前記第1可撓性配向層から前記第2可撓性配向層まで前記ギャップを横切って延びる弾性ポリマーポストを形成する工程と、
前記ポストを囲むように前記ギャップ内に液晶材料を提供する工程と、
前記レンズのレンズ屈折力を制御するために前記ギャップ内の前記液晶材料に電界を誘発するように配置される1または複数の電極を形成する工程と、
を備えたことを特徴とする方法。 - ポリマー前駆体を前記ギャップ内に配置し、当該ギャップ内で重合を誘発することによって、前記弾性ポリマーポストを形成する工程
を備えたことを特徴とする請求項12に記載の方法。 - 前記ポリマー前駆体は、モノマーと光重合開始剤化合物との組合せを含む
ことを特徴とする請求項13に記載の方法。 - 前記弾性ポリマーポストを形成する工程は、前記ギャップ内の前記ポリマー前駆体をパターン化されたマスクを通して化学線に曝す工程を含む
ことを特徴とする請求項13に記載の方法。 - 前記ポリマー前駆体は、メソゲンと光重合開始剤化合物との組合せを含む
ことを特徴とする請求項13に記載の方法。 - 前記液晶とポリマー前駆体で前記ギャップを充填する工程と、
パターンに従って前記ポリマー前駆体の重合を誘発することによって前記弾性ポリマーポストを形成する工程と、
を含むことを特徴とする請求項12に記載の方法。 - 前記第1可撓性配向層と前記第2可撓性配向層とが、ポリマーフィルムを含む
ことを特徴とする請求項12に記載の方法。 - 前記第1可撓性配向層と前記第2可撓性配向層とが、液晶部分が埋め込まれたポリマーフィルムを含む
ことを特徴とする請求項12に記載の方法。 - 前記第1及び第2可撓性配向層ならびに前記ポストは、共通のメソゲンのポリマーを含む
ことを特徴とする請求項12に記載の方法。 - 前記第2可撓性配向層と第3可撓性配向層との間に第2ギャップを有するように、前記第1及び第2可撓性配向層と共に前記第3可撓性配向層を組み立てる工程と、
前記第2ギャップを横切って延びる弾性ポリマーポストを形成する工程と、
前記第2ギャップ内の前記ポストを囲むように前記第2ギャップを液晶材料で充填する工程と、
を備えたことを特徴とする請求項12に記載の方法。 - 前記第1、第2及び第3可撓性配向層は、前記ギャップ内の前記液晶材料内の液晶の第1の方向の配向と、前記第2ギャップ内の前記液晶材料内の液晶の第2の異なる方向の配向と、を誘導するように配置された配向層である
ことを特徴とする請求項21に記載の方法。 - 前記ポストのアレイのうち少なくとも1つのポストが、当該レンズの光学ゾーン内に配置されている
ことを特徴とする請求項12に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762544543P | 2017-08-11 | 2017-08-11 | |
| US62/544,543 | 2017-08-11 | ||
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| EP3757662B1 (en) * | 2019-06-28 | 2022-06-01 | Essilor International | Optical article |
| JP7281134B2 (ja) * | 2019-08-06 | 2023-05-25 | 学校法人 工学院大学 | 光学素子の製造方法及び光学素子 |
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| US12092906B2 (en) | 2021-01-29 | 2024-09-17 | Coopervision International Limited | Flexible liquid crystal-containing lenses |
| US12001119B2 (en) * | 2021-10-19 | 2024-06-04 | Coopervision International Limited | Flexible liquid crystal-containing lenses |
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