JP2012254194A5 - - Google Patents
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- JP2012254194A5 JP2012254194A5 JP2011128939A JP2011128939A JP2012254194A5 JP 2012254194 A5 JP2012254194 A5 JP 2012254194A5 JP 2011128939 A JP2011128939 A JP 2011128939A JP 2011128939 A JP2011128939 A JP 2011128939A JP 2012254194 A5 JP2012254194 A5 JP 2012254194A5
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- light
- substrate
- thin film
- biosensor
- film
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- 239000000758 substrate Substances 0.000 claims description 17
- 239000010409 thin film Substances 0.000 claims description 16
- 239000010408 film Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
Description
上記課題の少なくともひとつを解決するために、本発明に係るひとつの生体センサーは、被検体に光を照射し、前記被検体からの光を受光する生体センサーであって、光透過性を有する第１の基板と、発光素子及び受光素子が配置された第２の基板と、を含み、前記第１の基板は、前記発光素子が発光した第１の光を透過させると共に、前記第１の光の照射によりもたらされる前記被検体からの第２の光を透過させ、前記第２の光は前記受光素子により受光され、前記第１の基板の前記第２の基板側の面である第１の面は前記第１の光に対して反射防止性を有することを特徴とする。
上記のひとつの生体センサーにおいて、前記第１の面には、前記反射防止フィルムが貼付されることが好ましい。
上記のひとつの生体センサーにおいて、前記反射防止フィルムは、表面に薄膜が形成されたものであることが好ましい。
上記のひとつの生体センサーにおいて、前記薄膜は、誘電体からなる複数の薄膜が複数積層されており、前記複数の薄膜のそれぞれ隣り合う膜同士では屈折率が互いに異なることが好ましい。
上記のひとつの生体センサーにおいて、前記反射防止フィルムの前記第２の基板側の表面は、凹凸形状となっていることが好ましい。
上記のひとつの生体センサーにおいて、前記第１の面には、薄膜が形成されていることが好ましい。
上記のひとつの生体センサーにおいて、前記薄膜は、誘電体からなる複数の薄膜が積層されて形成され、前記複数の薄膜のそれぞれ隣り合う膜同士では屈折率が互いに異なることが好ましい。
上記のひとつの生体センサーにおいて、前記第１の面が凹凸形状となっていることが好ましい。
本発明に係るひとつの生体情報検出装置は、上記のいずれかに記載のひとつの生体センサーと、前記受光素子から出力される信号に基づいて生体情報を出力する演算処理回路と、を備えることが好ましい。
上記課題を解決するために本発明に係る生体センサーにあっては、光透過性を有する対向基板と、被験体に対し、前記対向基板を介して光を照射する発光素子と、前記被験体からの光を、前記対向基板を介して受光して、当該受光に応じた信号を出力する受光素子と、を備え、前記対向基板のうち、前記発光素子および受光素子との対向面が反射防止性を有することを特徴とする。
本発明では、発光素子と受光素子との間に遮光物を設けなくても、発光素子から出射された光が対向基板で反射して受光素子に入射する成分が低減される。したがって、本発明によれば、遮光物を設けなくて済むので、その分、小型化が容易となって、微弱な光成分を精度良く検出することができる。
In order to solve at least one of the above problems, one biological sensor according to the present invention is a biological sensor that irradiates a subject with light and receives light from the subject, and has a light-transmitting property. 1 substrate and a second substrate on which the light emitting element and the light receiving element are arranged, and the first substrate transmits the first light emitted from the light emitting element and the first light. The second light from the subject caused by the irradiation of the first light is transmitted, the second light is received by the light receiving element, and is a first substrate side surface of the first substrate. The surface has antireflection properties for the first light.
In the one biological sensor, the antireflection film is preferably attached to the first surface.
In the one biosensor described above, the antireflection film preferably has a thin film formed on the surface.
In the one biological sensor described above, it is preferable that the thin film is formed by laminating a plurality of thin films made of a dielectric, and adjacent films of the plurality of thin films have different refractive indexes.
In the above one biosensor, it is preferable that the surface of the antireflection film on the second substrate side has an uneven shape.
In the one biosensor described above, it is preferable that a thin film is formed on the first surface.
In the one biosensor described above, it is preferable that the thin film is formed by laminating a plurality of thin films made of a dielectric, and adjacent films of the plurality of thin films have different refractive indexes.
In the above one biological sensor, it is preferable that the first surface has an uneven shape.
One biological information detection apparatus according to the present invention includes one biological sensor according to any one of the above, and an arithmetic processing circuit that outputs biological information based on a signal output from the light receiving element. preferable.
In order to solve the above problems, in the biosensor according to the present invention, a light-transmitting counter substrate, a light-emitting element that irradiates light to the subject via the counter substrate, and the subject A light receiving element that receives the light through the counter substrate and outputs a signal corresponding to the received light, and the opposing surface of the counter substrate that faces the light emitting element and the light receiving element is antireflective. It is characterized by having.
In the present invention, even if a light shielding element is not provided between the light emitting element and the light receiving element, the component of the light emitted from the light emitting element reflected by the counter substrate and incident on the light receiving element is reduced. Therefore, according to the present invention, since it is not necessary to provide a light blocking object, the size can be easily reduced correspondingly, and a weak light component can be detected with high accuracy.
Claims (9)
光透過性を有する第１の基板と、
発光素子及び受光素子が配置された第２の基板と、を含み、
前記第１の基板は、前記発光素子が発光した第１の光を透過させると共に、前記第１の光の照射によりもたらされる前記被検体からの第２の光を透過させ、前記第２の光は前記受光素子により受光され、
前記第１の基板の前記第２の基板側の面である第１の面は前記第１の光に対して反射防止性を有することを特徴とする生体センサー。 A biological sensor that irradiates a subject with light and receives light from the subject,
A first substrate having optical transparency;
A second substrate on which the light emitting element and the light receiving element are disposed,
The first substrate transmits the first light emitted from the light emitting element and transmits the second light from the subject caused by the irradiation of the first light. Is received by the light receiving element,
The biosensor according to claim 1, wherein the first surface of the first substrate, which is the surface on the second substrate side, has antireflection properties for the first light .
ことを特徴とする請求項１に記載の生体センサー。 The biosensor according to claim 1, wherein the antireflection film is attached to the first surface .
ことを特徴とする請求項２に記載の生体センサー。 The biosensor according to claim 2, wherein the antireflection film has a thin film formed on a surface thereof.
前記複数の薄膜のそれぞれ隣り合う膜同士では屈折率が互いに異なる
ことを特徴とする請求項３に記載の生体センサー。 The thin film is formed by laminating a plurality of thin films made of a dielectric,
Biosensor of claim 3, wherein the different refractive index each other in the film adjacent each of said plurality of thin film.
ことを特徴とする請求項２に記載の生体センサー。 The biosensor according to claim 2, wherein a surface of the antireflection film on the second substrate side has an uneven shape.
ことを特徴とする請求項１に記載の生体センサー。 The biosensor according to claim 1, wherein a thin film is formed on the first surface .
前記複数の薄膜のそれぞれ隣り合う膜同士では屈折率が互いに異なる
ことを特徴とする請求項６に記載の生体センサー。 The thin film is formed by laminating a plurality of thin films made of a dielectric .
Biosensor of claim 6, wherein the different refractive index each other in the film adjacent each of said plurality of thin film.
ことを特徴とする請求項１に記載の生体センサー。 The biosensor according to claim 1, wherein the first surface has an uneven shape.
前記受光素子から出力される信号に基づいて生体情報を出力する演算処理回路と、
を備える生体情報検出装置。 The biological sensor according to any one of claims 1 to 8 ,
An arithmetic processing circuit that outputs biological information based on a signal output from the light receiving element;
A biological information detection device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011128939A JP2012254194A (en) | 2011-06-09 | 2011-06-09 | Biosensor and biological information detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011128939A JP2012254194A (en) | 2011-06-09 | 2011-06-09 | Biosensor and biological information detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012254194A JP2012254194A (en) | 2012-12-27 |
| JP2012254194A5 true JP2012254194A5 (en) | 2014-07-24 |
Family
ID=47526366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011128939A Withdrawn JP2012254194A (en) | 2011-06-09 | 2011-06-09 | Biosensor and biological information detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2012254194A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6274846B2 (en) * | 2013-12-11 | 2018-02-07 | 日本光電工業株式会社 | Optical sensor |
| US20170209052A1 (en) * | 2014-07-28 | 2017-07-27 | Shinano Kenshi Co., Ltd. | Biological information reading device |
| KR101665871B1 (en) * | 2014-08-06 | 2016-10-12 | 연세대학교 산학협력단 | Wearable sensor Platform based on photoluminescence and Remote sensing apparatus the same |
| JP6853683B2 (en) * | 2016-06-27 | 2021-03-31 | 医療法人社団皓有会 | Blood oxygen saturation measuring device |
| US11562053B2 (en) * | 2018-05-30 | 2023-01-24 | Viavi Solutions Inc. | User device incorporating multi-sensing sensor device |
| JP2023143028A (en) * | 2022-03-25 | 2023-10-06 | 浜松ホトニクス株式会社 | Optical module for encoder and reflection type encoder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006034697A (en) * | 2004-07-28 | 2006-02-09 | Nippon Telegr & Teleph Corp <Ntt> | Cuff |
| JP2007202693A (en) * | 2006-01-31 | 2007-08-16 | Citizen Holdings Co Ltd | Biological information detection sensor and blood pressure measuring device |
| JP2008086705A (en) * | 2006-10-05 | 2008-04-17 | Sanyo Electric Co Ltd | Measurement assisting material, and optical measuring method using the same |
| JP4400643B2 (en) * | 2007-04-09 | 2010-01-20 | 株式会社デンソー | Pulse wave sensor |
| JP5206944B2 (en) * | 2008-02-25 | 2013-06-12 | 富士ゼロックス株式会社 | Optical module and medical optical measurement system using the same |
| JP2009231577A (en) * | 2008-03-24 | 2009-10-08 | Nissan Motor Co Ltd | Organic thin film light-receiving/emitting element, and pulse sensor using the light-receiving/emitting element |
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2011
- 2011-06-09 JP JP2011128939A patent/JP2012254194A/en not_active Withdrawn
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