OPTICAL FILTER, AMBIENT LIGHT SENSOR AND SENSOR MODULE

    公开(公告)号:US20180364095A1

    公开(公告)日:2018-12-20

    申请号:US15779850

    申请日:2016-11-28

    Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.

    OPTICAL FILTER AND OPTICAL SENSOR DEVICE
    3.
    发明申请

    公开(公告)号:US20190227207A1

    公开(公告)日:2019-07-25

    申请号:US16306687

    申请日:2017-06-02

    Abstract: An object of the present invention is to provide an optical filter having excellent visible light-cut characteristics and near-infrared rays transmission properties at a specific wavelength that are compatible with one another even in the case where the incident angle is increased, according to reduction in height of equipment on which an optical sensor device is provided. The optical filter of the present invention includes a base material (i) including a resin layer containing a compound (Z) having an absorption maximum in the wavelength region of 700 to 930 nm, and a dielectric multilayer film formed on at least one surface of the base material (i), and has specific optical properties.

    OPTICAL FILTER AND AMBIENT LIGHT SENSOR INCLUDING OPTICAL FILTER

    公开(公告)号:US20190137670A1

    公开(公告)日:2019-05-09

    申请号:US16239243

    申请日:2019-01-03

    Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.

    SOLID-STATE IMAGING DEVICE
    6.
    发明申请

    公开(公告)号:US20170345860A1

    公开(公告)日:2017-11-30

    申请号:US15531972

    申请日:2015-11-26

    Abstract: The present invention intends to provide a solid-state imaging device having minimum production costs and high detection accuracy. A solid-state imaging device includes a first optical layer that transmits visible light and at least a part of near-infrared light, a second optical layer that absorbs at least a part of the near-infrared light and a pixel array that includes a first light-receiving element that detects the visible light transmitted through the first optical layer and the second optical layer and a second light-receiving element that detects the near-infrared light transmitted through the first optical layer, in which the second optical layer has an opening at a part corresponding to the second light-receiving element, the first optical layer includes a compound (A) having at least one absorption maximum at the wavelength of from 750 to 900 nm,the second optical layer includes a compound (B) having at least one absorption maximum at the wavelength of from 755 to 1050 nm, an absorption maximum wavelength on a longest wavelength side of the compound (B) is larger than an absorption maximum wavelength on the longest wavelength side of the compound (A), and a difference between both is from 5 to 150 nm.

    OPTICAL FILTER AND APPARATUS USING OPTICAL FILTER

    公开(公告)号:US20190101672A1

    公开(公告)日:2019-04-04

    申请号:US16078238

    申请日:2017-03-15

    Abstract: The object of the present invention is to provide an optical filter which has not only a high visible light transmittance, but also high light cut characteristics in the near-infrared wavelength region, and which is excellent in heat resistance. The optical filter of the present invention comprises a base material comprising a compound (S) having an absorption maximum in the region of 600 to 1150 nm and an antioxidant (P) having at least one phosphorus atom in a molecule, and a dielectric multilayer film formed on at least one surface of the base material.

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