JPWO2023058472A5 - - Google Patents

Claims (10)

第１面と、前記第１面と厚み方向で反対側の第２面と、を有する基板と、
前記第１面に形成される第１の光学膜と、
前記第２面に形成される第２の光学膜と、を備え、
前記第１面は、前記第１の光学膜が形成されていない露出部を有し、
前記第２の光学膜は、少なくとも、前記厚み方向に平面視して、前記第２面における前記露出部に対応する箇所に形成される、光学フィルタ。 A substrate having a first surface and a second surface opposite to the first surface in a thickness direction;
a first optical film formed on the first surface;
a second optical film formed on the second surface,
the first surface has an exposed portion on which the first optical film is not formed,
The second optical film is formed at least in a portion of the second surface that corresponds to the exposed portion when viewed in a plan view in the thickness direction. 前記第１の光学膜の形状は、前記第１面の形状とは異なり、
前記第２の光学膜の形状は、前記第２面の形状とは異なり、
前記第１の光学膜の形状は、前記第２の光学膜の形状とは異なり、
前記厚み方向の平面視において、前記第１の光学膜と前記第２の光学膜とを重ね合わせた形状は、前記第１面の形状および前記第２面の形状の少なくともいずれか一方と一致する、請求項１に記載の光学フィルタ。 the shape of the first optical film is different from the shape of the first surface;
the shape of the second optical film is different from the shape of the second surface;
a shape of the first optical film is different from a shape of the second optical film;
2. The optical filter according to claim 1, wherein, in a planar view in the thickness direction, a shape of the first optical film and the second optical film overlapped with each other coincides with at least one of a shape of the first surface and a shape of the second surface. 前記第２面は、前記第２の光学膜が形成されていない露出部を有し、
前記厚み方向に平面視して、前記基板の全面に、前記第１の光学膜及び前記第２の光学膜の少なくとも一方が形成されている、請求項１に記載の光学フィルタ。 the second surface has an exposed portion on which the second optical film is not formed,
The optical filter according to claim 1 , wherein at least one of the first optical film and the second optical film is formed on an entire surface of the substrate in a plan view in the thickness direction. 前記基板は、ガラスからなる、請求項１から３のいずれか一項に記載の光学フィルタ。 The optical filter according to claim 1 , wherein the substrate is made of glass . 前記基板は、結晶材料からなる、請求項１から３のいずれか一項に記載の光学フィルタ。 The optical filter according to claim 1 , wherein the substrate is made of a crystalline material . 前記基板は、透明樹脂材料からなる、請求項１から３のいずれか一項に記載の光学フィルタ。 The optical filter according to claim 1 , wherein the substrate is made of a transparent resin material . 前記第１の光学膜又は前記第２の光学膜は、紫外線吸収膜又は紫外線反射膜である、請求項１から３のいずれか一項に記載の光学フィルタ。 The optical filter according to claim 1 , wherein the first optical film or the second optical film is an ultraviolet absorbing film or an ultraviolet reflective film . 前記第１の光学膜又は前記第２の光学膜の少なくとも一部に機能層を備えた、請求項１から３のいずれか一項に記載の光学フィルタ。 The optical filter according to claim 1 , further comprising a functional layer on at least a part of the first optical film or the second optical film . 請求項１から３のいずれか一項に記載の光学フィルタを備えた、光学製品。 An optical product comprising an optical filter according to any one of claims 1 to 3 . 前記第１の光学膜又は前記第２の光学膜に、接着剤を備えた、請求項９に記載の光学製品。The optical product of claim 9 , wherein the first optical film or the second optical film is provided with an adhesive.