发明公开
EP3320392A1 ELECTROCHROMIC ELEMENT, OPTICAL FILTER, LENS UNIT, IMAGING APPARATUS, AND WINDOW MEMBER
审中-公开
电致变色元件,光学滤光片,透镜单元,成像装置和窗户构件
- 专利标题: ELECTROCHROMIC ELEMENT, OPTICAL FILTER, LENS UNIT, IMAGING APPARATUS, AND WINDOW MEMBER
- 专利标题(中): 电致变色元件,光学滤光片,透镜单元,成像装置和窗户构件
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申请号: EP16824340.0申请日: 2016-06-29
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公开(公告)号: EP3320392A1公开(公告)日: 2018-05-16
- 发明人: YAMADA, Kenji , KUBO, Wataru , IGAWA, Satoshi , ITO, Kentaro , OTA, Satoshi
- 申请人: Canon Kabushiki Kaisha
- 申请人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo 146-8501 JP
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo 146-8501 JP
- 代理机构: TBK
- 优先权: JP2015138367 20150710; JP2016094449 20160510
- 国际公布: WO2017010360 20170119
- 主分类号: G02F1/15
- IPC分类号: G02F1/15 ; C09K9/02
摘要:
Provided is an electrochromic element, including: a pair of electrodes; and an electrochromic layer disposed between the pair of electrodes and containing a plurality of kinds of organic electrochromic compounds, in which: at least one kind of the plurality of kinds of organic electrochromic compounds includes an organic electrochromic compound having an absorption peak in a wavelength region of 700 nm or more during coloring thereof; and when an optical density in a decolored state thereof is defined as 0, a fluctuation ratio of a transmittance in a wavelength region of from 650 nm or more to 700 nm or less with respect to a central transmittance is within ±15% at an optical density of 0.3.
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