JP7411630B2 - 光学系、及び光学系を製造する方法 - Google Patents
光学系、及び光学系を製造する方法 Download PDFInfo
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
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Description
- 開口部を有する層10と、
- 開口部を有する層10を覆う中間層12(中間層12は省略されてもよい)と、
- 中間層12を覆うマイクロメートルサイズの光学素子14のアレイ、例えばマイクロレンズ14のアレイ(中間層12及びマイクロレンズアレイ14はモノリシック型構造に相当してもよい)と、
- マイクロレンズアレイ14を覆い、例えば複数の層、例えば2つの層18, 20の積層体を有して上面22を有する被覆体16(被覆体16は省略されてもよく、その場合、上面22はマイクロレンズアレイ14の上面に相当する)と
を備えている。
tanα=w/h (1)
- 上面46を有する画像センサ44と、
- 角度フィルタを形成して上面46を覆う光学系5 と
を備えている。
- 平行にされていない放射線54を放射する光源52と、
- 光源52を覆って光源52によって放射される放射線54を受ける、前述したような光学系5 と
を備えており、図6では被覆体16は存在せず、開口部を有する層10は光源52とマイクロレンズアレイ14との間に配置されている。
- 放射線を放射する光源62と、
- 光源62を覆って光源62によって放射される放射線を受ける、前述したような光学系5 と
を備えており、図7では被覆体16は存在せず、マイクロレンズアレイ14は光源62と開口部を有する層10との間に配置されている。
- 層18を形成する材料の液体層又は粘性層をマイクロレンズアレイ14上に堆積させる工程(従って、液体層はマイクロレンズ14の形状に沿う。この層は、好ましくは自己平坦化する。すなわち、この層は実質的に平面の自由表面を自動的に形成する)、
- 液体層を硬化させて層18を形成する工程(この工程は、層18を形成する材料を、特に熱架橋及び/又は紫外線ビームによる照射によって架橋結合する工程を含んでもよい)、並びに
- 例えば層18上に膜を積層することにより、層18上に又は層18が存在しない場合にはマイクロレンズ層14と接して層20を形成する工程
を有してもよい。
Claims (13)
- 完全に又は部分的に開いている孔を有してマイクロメートルサイズの光学素子のアレイで覆われた層と、第1の放射線を受ける表面とを有する光学系を製造する方法であって、
前記層の材料と同一の材料又は前記層の材料とは異なる材料で形成された膜を、前記マイクロメートルサイズの光学素子のアレイを通して第2の放射線に露出し、
前記第2の放射線に露出した膜の部分又は前記第2の放射線に露出しなかった膜の部分を除去して、前記層を完全に又は部分的に横切る孔を画定し、
前記材料は、前記第2の放射線に対して感光性を有するか又は前記第2の放射線の作用下で分解し得る材料であり、
前記膜を前記第2の放射線に露出する際、前記マイクロメートルサイズの光学素子の屈折率とは異なる屈折率を有する、空気とは異なる材料を、前記マイクロメートルサイズの光学素子のアレイと接触させて一時的に置き、前記光学素子の焦点距離を変更することを特徴とする方法。 - 前記膜を前記第2の放射線に対して感光性を有するレジストで形成することを特徴とする請求項1に記載の方法。
- 前記膜を前記第2の放射線に対して感光性を有するポジ型レジストで形成し、前記膜の除去部分は前記第2の放射線に露出した部分であることを特徴とする請求項2に記載の方法。
- 前記膜を前記第2の放射線に対して感光性を有するネガ型レジストで形成し、前記膜の除去部分は前記第2の放射線に露出しなかった部分であることを特徴とする請求項2に記載の方法。
- 前記層をレーザビームによって加工することを特徴とする請求項1に記載の方法。
- 前記光学系は、少なくとも第1の入射角範囲の、前記表面に直交する方向に対する入射角を有する前記第1の放射線の光線を遮断し、前記少なくとも第1の入射角範囲とは異なる少なくとも第2の入射角範囲の、前記表面に直交する方向に対する入射角を有する前記第1の放射線の光線を通すように構成された角度フィルタを形成することを特徴とする請求項1~5のいずれか1つに記載の方法。
- 前記第1の放射線は前記第2の放射線とは異なることを特徴とする請求項1~5のいずれか1つに記載の方法。
- 前記第1の放射線は可視域及び/又は赤外域の放射線であることを特徴とする請求項2~4のいずれか1つに記載の方法。
- 前記第2の放射線は可視域及び/又は紫外域の放射線であることを特徴とする請求項2~4のいずれか1つに記載の方法。
- 前記光学系を製造する際、ロールツーロールで行うことを特徴とする請求項1~9のいずれか1つに記載の方法。
- 前記孔を形成した後、前記孔を接合材料で充填し、前記孔を有する層を前記接合材料によってデバイスに接合することを特徴とする請求項1~10のいずれか1つに記載の方法。
- 前記第2の放射線を平行にすることを特徴とする請求項1~11のいずれか1つに記載の方法。
- 前記第2の放射線は1°より大きい拡がり角を有することを特徴とする請求項1~11のいずれか1つに記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1856709A FR3084207B1 (fr) | 2018-07-19 | 2018-07-19 | Systeme optique et son procede de fabrication |
FR1856709 | 2018-07-19 | ||
PCT/EP2019/069453 WO2020016391A1 (fr) | 2018-07-19 | 2019-07-18 | Systeme optique et son procede de fabrication |
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JP2021530745A JP2021530745A (ja) | 2021-11-11 |
JP7411630B2 true JP7411630B2 (ja) | 2024-01-11 |
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JP2021502943A Active JP7348263B2 (ja) | 2018-07-19 | 2019-07-18 | 光学系、及び光学系を製造する方法 |
JP2021502944A Active JP7411630B2 (ja) | 2018-07-19 | 2019-07-18 | 光学系、及び光学系を製造する方法 |
JP2021502934A Pending JP2022536215A (ja) | 2018-07-19 | 2019-07-18 | 角度フィルタ、及び角度フィルタを製造する方法 |
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US (3) | US20210325576A1 (ja) |
EP (4) | EP3824328A1 (ja) |
JP (3) | JP7348263B2 (ja) |
KR (3) | KR20210036935A (ja) |
CN (3) | CN112437892B (ja) |
FR (1) | FR3084207B1 (ja) |
WO (3) | WO2020016392A1 (ja) |
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US11626441B2 (en) * | 2020-01-16 | 2023-04-11 | Advanced Semiconductor Engineering, Inc. | Optical module |
CN113161432A (zh) * | 2020-01-23 | 2021-07-23 | 群创光电股份有限公司 | 电子装置 |
KR20210138184A (ko) * | 2020-05-11 | 2021-11-19 | 삼성디스플레이 주식회사 | 지문 센서, 및 그를 포함한 표시 장치 |
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WO2020016392A1 (fr) | 2020-01-23 |
CN112714879A (zh) | 2021-04-27 |
US20210325576A1 (en) | 2021-10-21 |
JP2021530745A (ja) | 2021-11-11 |
EP4235601A3 (fr) | 2023-10-25 |
EP3824326A1 (fr) | 2021-05-26 |
CN112437892A (zh) | 2021-03-02 |
EP4235601A2 (fr) | 2023-08-30 |
WO2020016391A1 (fr) | 2020-01-23 |
KR20210037680A (ko) | 2021-04-06 |
CN112437891A (zh) | 2021-03-02 |
KR20210036936A (ko) | 2021-04-05 |
EP3824326B1 (fr) | 2023-09-06 |
US20210318475A1 (en) | 2021-10-14 |
WO2020016393A1 (fr) | 2020-01-23 |
JP2022536215A (ja) | 2022-08-15 |
EP3824328A1 (fr) | 2021-05-26 |
CN112437892B (zh) | 2023-02-28 |
JP2022536426A (ja) | 2022-08-17 |
US20210333441A1 (en) | 2021-10-28 |
CN112437891B (zh) | 2022-09-27 |
FR3084207A1 (fr) | 2020-01-24 |
FR3084207B1 (fr) | 2021-02-19 |
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KR20210036935A (ko) | 2021-04-05 |
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