公开(公告)号：US20250052934A1

公开(公告)日：2025-02-13

申请号：US18927235

申请日：2024-10-25

Applicant: AGC Inc.

Inventor： Kazuhiko SHIONO ,  Takashi NAGATA

IPC: G02B5/20

Abstract: An optical filter, includes: a substrate, a dielectric multilayer film 1 laid on or above one major surface of the substrate, and a dielectric multilayer film 2 laid on or above the other major surface of the substrate, in which the substrate includes a near infrared ray absorbing glass and a resin film, the resin film includes a resin and a pigment (NIR1), and the optical filter satisfies all of spectral characteristics (i-1) to (i-3), (i-6) to (i-8), and (i-10) to (i-13).

公开(公告)号：US20190055160A1

公开(公告)日：2019-02-21

申请号：US16168975

申请日：2018-10-24

Applicant: AGC Inc.

Inventor： Takashi NAGATA ,  Hirofumi YAMAMOTO

IPC: C03C17/34 ,  G02B1/115

Abstract: There is provided a glass article using an ultraviolet absorbing glass substrate, the glass article suppressing solarization and exhibiting a high visible light transmittance. A glass article, comprising a glass substrate absorbing light at a wavelength of 250 to 400 nm from the surface and an antireflection film provided on at least one surface of the glass substrate, wherein the glass article has an ultraviolet irradiation degradation degree (X) of 1.5% or less, wherein the ultraviolet irradiation degradation degree (X) is T0−T1, where T0 is an average transmittance of light at the wavelength of 250 to 400 nm from a surface of the antireflection film in an initial state, and T1 is an average transmittance of light at the wavelength of 250 to 400 nm from the surface of the antireflection film after irradiating the surface of the antireflection film with ultraviolet rays for one hour.

公开(公告)号：US20240192413A1

公开(公告)日：2024-06-13

申请号：US18401808

申请日：2024-01-02

Applicant: AGC Inc.

Inventor： Kazuhiko SHIONO ,  Takuro SHIMADA ,  Yuichiro ORITA ,  Kiyokazu ENDO ,  Takashi NAGATA

IPC: G02B5/20 ,  G02B5/22 ,  G02B5/28

CPC classification number: G02B5/208 ,  G02B5/223 ,  G02B5/226 ,  G02B5/285

Abstract: An optical filter, includes: a substrate, a dielectric multilayer film 1 laid on or above one major surface of the substrate, and a dielectric multilayer film 2 laid on or above the other major surface of the substrate, in which the substrate includes a near infrared ray absorbing glass and a resin film, the resin film includes a resin and a pigment (NIR1), and the optical filter satisfies all of spectral characteristics (i-1) to (i-7).

公开(公告)号：US20240176054A1

公开(公告)日：2024-05-30

申请号：US18418416

申请日：2024-01-22

Applicant: AGC Inc.

Inventor： Motoshi NAKAYAMA ,  Takashi NAGATA ,  Kazuhiko SHIONO ,  Takeru WAKABAYASHI

IPC: G02B5/20

CPC classification number: G02B5/208

Abstract: An optical filter, includes: a near infrared ray absorbing glass, dielectric multilayer films laid on or above both major surfaces of the near infrared ray absorbing glass, and an absorption layer laid on or above a surface of at least one of the dielectric multilayer films and having a maximum absorption wavelength in a near infrared light region, in which the optical filter satisfies all of spectral characteristics (i-1) to (i-5).

公开(公告)号：US20240142680A1

公开(公告)日：2024-05-02

申请号：US18396795

申请日：2023-12-27

Applicant: AGC Inc.

Inventor： Kazuhiko SHIONO ,  Takashi NAGATA

IPC: G02B5/20

CPC classification number: G02B5/208

Abstract: An optical filter, includes: a substrate, a dielectric multilayer film 1 laid on or above one major surface of the substrate, and a dielectric multilayer film 2 laid on or above the other major surface of the substrate, in which the substrate includes a near infrared ray absorbing glass and a resin film, the resin film includes a resin and a pigment (NIR1), and the optical filter satisfies all of spectral characteristics (i-1) to (i-3), (i-6) to (i-8), and (i-10) to (i-13).

公开(公告)号：US20240142681A1

公开(公告)日：2024-05-02

申请号：US18397360

申请日：2023-12-27

Applicant: AGC Inc.

Inventor： Kazuhiko SHIONO ,  Takeru WAKABAYASHI ,  Takashi NAGATA

IPC: G02B5/20

CPC classification number: G02B5/208

Abstract: An optical filter, includes: a substrate, a dielectric multilayer film 1 laid on or above one major surface of the substrate, and a dielectric multilayer film 2 laid on or above the other major surface of the substrate, in which the substrate includes a near infrared ray absorbing glass and a resin film, the resin film includes a resin and a pigment (NIR1), and the optical filter satisfies all of spectral characteristics (i-1) to (i-5), (i-7) to (i-10), (i-12) and (i-14).

公开(公告)号：US20230266513A1

公开(公告)日：2023-08-24

申请号：US18185511

申请日：2023-03-17

Applicant: AGC Inc.

Inventor： Yuichiro ORITA ,  Kazuhiko SHIONO ,  Takashi NAGATA

IPC: G02B5/22 ,  G02B5/28

CPC classification number: G02B5/223 ,  G02B5/281

Abstract: An optical filter including: a substrate; and a dielectric multilayer film laid on or above at least one major surface of the substrate as an outermost layer, in which the substrate includes a resin film including a dye (I) having a maximum absorption wavelength in a wavelength of 690 to 900 nm in dichloromethane, and a resin, the optical filter transmits visible light and light in at least part of a wavelength of 900 to 1,000 nm, and the optical filter satisfies specific spectroscopic characteristics.

公开(公告)号：US20230258853A1

公开(公告)日：2023-08-17

申请号：US18303668

申请日：2023-04-20

Applicant: AGC Inc.

Inventor： Kazuhiko SHIONO ,  Takuro SHIMADA ,  Yuichiro ORITA ,  Nanako NISHIMOTO ,  Takashi NAGATA

IPC: G02B5/20 ,  G02B5/22

CPC classification number: G02B5/208 ,  G02B5/223 ,  G02B5/226

Abstract: An optical filter including: a substrate; and a dielectric multilayer film laid on or above at least one major surface of the substrate as an outermost layer, in which the substrate includes a resin film including a dye (IR) and a resin, the dye (IR) has a maximum absorption wavelength in a wavelength of 680 to 800 nm in the resin, and the optical filter satisfies specific spectroscopic characteristics.

公开(公告)号：US20250044489A1

公开(公告)日：2025-02-06

申请号：US18922613

申请日：2024-10-22

Applicant: AGC Inc.

Inventor： Motoshi NAKAYAMA ,  Takahiro SAKAGAMI ,  Takashi NAGATA ,  Kazuhiko SHIONO

IPC: G02B5/20 ,  G02B1/113 ,  G02B5/28

Abstract: The present invention pertains to an optical filter including: a light-absorbing material Y900-1000 having a maximum absorption wavelength in a wavelength region of 900 nm to 1,000 nm, and a dielectric multilayer film, in which the optical filter satisfies all of spectral characteristics (i-1) to (i-6), and the optical filter may satisfy spectral characteristic (i-7).

公开(公告)号：US20240427068A1

公开(公告)日：2024-12-26

申请号：US18815960

申请日：2024-08-27

Applicant: AGC Inc.

Inventor： Kazuhiko SHIONO ,  Kiyokazu ENDO ,  Takashi NAGATA

IPC: G02B5/22 ,  H01L27/146

Abstract: An optical filter includes: a substrate; a dielectric multilayer film (I) laid on or above one main surface of the substrate; and a dielectric multilayer film (II) laid on or above the other main surface of the substrate, in which the substrate includes a near-infrared ray absorbing glass and a resin film, the resin film includes a resin and a dye (NIR1), and the optical filter satisfies specific spectral characteristics.