JP7451135B2 - 調光素子及び光学装置 - Google Patents

調光素子及び光学装置 Download PDF

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Publication number
JP7451135B2
JP7451135B2 JP2019194474A JP2019194474A JP7451135B2 JP 7451135 B2 JP7451135 B2 JP 7451135B2 JP 2019194474 A JP2019194474 A JP 2019194474A JP 2019194474 A JP2019194474 A JP 2019194474A JP 7451135 B2 JP7451135 B2 JP 7451135B2
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JP
Japan
Prior art keywords
light
compounds
control element
light control
optical device
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Active
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JP2019194474A
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English (en)
Japanese (ja)
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JP2020095253A (ja
JP2020095253A5 (enExample
Inventor
亘 久保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
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Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to PCT/JP2019/046759 priority Critical patent/WO2020121845A1/ja
Priority to CN201980081884.9A priority patent/CN113196114B/zh
Publication of JP2020095253A publication Critical patent/JP2020095253A/ja
Priority to US17/340,572 priority patent/US12174404B2/en
Publication of JP2020095253A5 publication Critical patent/JP2020095253A5/ja
Application granted granted Critical
Publication of JP7451135B2 publication Critical patent/JP7451135B2/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • 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 
    • G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/172—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • 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
    • G02F2001/15145—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 the electrochromic layer comprises a mixture of anodic and cathodic compounds

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Filters (AREA)
  • Studio Devices (AREA)
  • Liquid Crystal (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
JP2019194474A 2018-12-10 2019-10-25 調光素子及び光学装置 Active JP7451135B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2019/046759 WO2020121845A1 (ja) 2018-12-10 2019-11-29 調光素子
CN201980081884.9A CN113196114B (zh) 2018-12-10 2019-11-29 光控制元件
US17/340,572 US12174404B2 (en) 2018-12-10 2021-06-07 Light-controlling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018230713 2018-12-10
JP2018230713 2018-12-10

Publications (3)

Publication Number Publication Date
JP2020095253A JP2020095253A (ja) 2020-06-18
JP2020095253A5 JP2020095253A5 (enExample) 2022-12-09
JP7451135B2 true JP7451135B2 (ja) 2024-03-18

Family

ID=71083989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019194474A Active JP7451135B2 (ja) 2018-12-10 2019-10-25 調光素子及び光学装置

Country Status (4)

Country Link
US (1) US12174404B2 (enExample)
JP (1) JP7451135B2 (enExample)
CN (1) CN113196114B (enExample)
WO (1) WO2020121845A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9084316B2 (en) 2010-11-04 2015-07-14 Cirrus Logic, Inc. Controlled power dissipation in a switch path in a lighting system
WO2021157594A1 (ja) 2020-02-06 2021-08-12 キヤノン株式会社 調光素子、並びにこれを用いた光学装置、撮像装置及びレンズユニット
US12078904B2 (en) 2020-12-22 2024-09-03 Canon Kabushiki Kaisha Electrochromic device, optical filter, lens unit, image pickup apparatus, window member, and electrochromic mirror
JP7757069B2 (ja) * 2021-07-21 2025-10-21 キヤノン株式会社 エレクトロクロミック素子

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012133027A (ja) 2010-12-20 2012-07-12 Tokai Rika Co Ltd エレクトロクロミックミラー
JP2017021327A (ja) 2015-07-10 2017-01-26 キヤノン株式会社 エレクトロクロミック素子
JP2018010084A (ja) 2016-07-12 2018-01-18 株式会社リコー 調光装置及び調光方法
JP2018084805A (ja) 2016-11-17 2018-05-31 キヤノン株式会社 エレクトロクロミック素子、それを用いた光学フィルタ、レンズユニット、撮像装置、窓材、及びエレクトロクロミック素子の駆動方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06301065A (ja) * 1993-04-16 1994-10-28 Sony Corp 光学フィルタ
US6020987A (en) * 1997-04-02 2000-02-01 Gentex Corporation Electrochromic medium capable of producing a pre-selected color
IT1294790B1 (it) * 1997-07-15 1999-04-15 Isoclima Spa Dispositivo elettrocromico per l'attenuazione o il filtraggio della luce
US6239898B1 (en) * 1998-11-30 2001-05-29 Gentex Corporation Electrochromic structures
JP2000292815A (ja) * 1999-04-12 2000-10-20 Stanley Electric Co Ltd 垂直配向型ｅｃｂモード液晶表示素子
JP4323043B2 (ja) * 1999-12-28 2009-09-02 富士フイルム株式会社 固体撮像装置および光学フィルタ
JP2012137649A (ja) * 2010-12-27 2012-07-19 Canon Electronics Inc 光学フィルタ
EP2719702B1 (en) * 2011-06-07 2016-05-11 Canon Kabushiki Kaisha Electrochromic element
WO2017010360A1 (en) * 2015-07-10 2017-01-19 Canon Kabushiki Kaisha Electrochromic element, optical filter, lens unit, imaging apparatus, and window member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012133027A (ja) 2010-12-20 2012-07-12 Tokai Rika Co Ltd エレクトロクロミックミラー
JP2017021327A (ja) 2015-07-10 2017-01-26 キヤノン株式会社 エレクトロクロミック素子
JP2018010084A (ja) 2016-07-12 2018-01-18 株式会社リコー 調光装置及び調光方法
JP2018084805A (ja) 2016-11-17 2018-05-31 キヤノン株式会社 エレクトロクロミック素子、それを用いた光学フィルタ、レンズユニット、撮像装置、窓材、及びエレクトロクロミック素子の駆動方法

Also Published As

Publication number Publication date
JP2020095253A (ja) 2020-06-18
CN113196114A (zh) 2021-07-30
US12174404B2 (en) 2024-12-24
WO2020121845A1 (ja) 2020-06-18
US20210294008A1 (en) 2021-09-23
CN113196114B (zh) 2023-02-28

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