JP2017167547A5 - Light-absorbing polarizing element, transmissive projector, and liquid crystal display device - Google Patents
Light-absorbing polarizing element, transmissive projector, and liquid crystal display device Download PDFInfo
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- JP2017167547A5 JP2017167547A5 JP2017085143A JP2017085143A JP2017167547A5 JP 2017167547 A5 JP2017167547 A5 JP 2017167547A5 JP 2017085143 A JP2017085143 A JP 2017085143A JP 2017085143 A JP2017085143 A JP 2017085143A JP 2017167547 A5 JP2017167547 A5 JP 2017167547A5
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 7
- 239000010409 thin film Substances 0.000 claims 12
- 230000031700 light absorption Effects 0.000 claims 8
- 239000000758 substrate Substances 0.000 claims 8
- 239000010408 film Substances 0.000 claims 7
- 230000003287 optical Effects 0.000 claims 6
- 239000010419 fine particle Substances 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 230000001681 protective Effects 0.000 claims 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- -1 perfluorodecyltrichlorosilane Chemical group 0.000 claims 1
- 229910052904 quartz Inorganic materials 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- 229910052594 sapphire Inorganic materials 0.000 claims 1
- 239000010980 sapphire Substances 0.000 claims 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- 229910000077 silane Inorganic materials 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Description
本発明は、偏光板や偏光フィルタ等に代表される光吸収型偏光素子に関し、更に詳しくは、使用帯域の光の干渉と面内軸方向での光学異方性による光吸収率の違いを利用した光吸収型偏光素子を用いた透過型プロジェクター、及び液晶表示装置に関するものである。 The present invention relates to a light-absorbing polarizing element represented by a polarizing plate, a polarizing filter, and the like. The present invention relates to a transmissive projector and a liquid crystal display device using the light absorbing polarizing element.
Claims (16)
前記基板上で一方向に延びた矩形断面の帯状薄膜が0.05μmより大きく前記可視光の波長よりも小さいピッチで一次元格子状に配列された反射層と、
前記反射層上に前記可視光に対して透明な光学材料で形成された誘電体層と、
誘電体層上に形成された光学異方性を有する無機微粒子層と、
を備え、
前記帯状薄膜のライン幅をピッチで除した値は0.1よりも大きく0.9未満であり、前記帯状薄膜によって形成される格子の深さは0.01μmより大きく0.9未満であり、前記帯状薄膜によって形成される格子の長さは0.05μmより大きい、光吸収型偏光素子。 A substrate transparent to visible light,
A reflective layer in which strip-like thin films having a rectangular cross section extending in one direction on the substrate are arranged in a one-dimensional lattice pattern at a pitch larger than 0.05 μm and smaller than the wavelength of the visible light;
A dielectric layer formed of a transparent optical material with respect to the visible light on the reflective layer,
An inorganic fine particle layer having optical anisotropy formed on the dielectric layer;
With
The value obtained by dividing the line width of the strip thin film by the pitch is greater than 0.1 and less than 0.9, and the depth of the lattice formed by the strip thin film is greater than 0.01 μm and less than 0.9, A light-absorbing polarizing element, wherein the grating formed by the strip-shaped thin film has a length greater than 0.05 μm.
請求項1〜11のいずれか一項に記載の光吸収型偏光素子。The light absorption type polarizing element according to any one of claims 1 to 11.
前記入射側偏光板、及び前記出射側偏光板のうち少なくとも一方は、 At least one of the incident side polarizing plate and the output side polarizing plate is:
可視光に透明な基板と、 A substrate transparent to visible light,
前記基板上で一方向に延びた矩形断面の帯状薄膜が0.05μmより大きく前記可視光の波長よりも小さいピッチで一次元格子状に配列された反射層と、 A reflective layer in which strip-like thin films having a rectangular cross section extending in one direction on the substrate are arranged in a one-dimensional lattice pattern at a pitch larger than 0.05 μm and smaller than the wavelength of the visible light;
前記反射層上に前記可視光に対して透明な光学材料で形成された誘電体層と、 A dielectric layer formed of an optical material transparent to the visible light on the reflective layer;
誘電体層上に形成された光学異方性を有する無機微粒子層と、を備え、 An inorganic fine particle layer having optical anisotropy formed on the dielectric layer,
前記帯状薄膜のライン幅をピッチで除した値は0.1よりも大きく0.9未満であり、前記帯状薄膜によって形成される格子の深さは0.01μmより大きく0.9未満であり、前記帯状薄膜によって形成される格子の長さは0.05μmより大きい、光吸収型偏光素子である、 The value obtained by dividing the line width of the strip thin film by the pitch is greater than 0.1 and less than 0.9, and the depth of the lattice formed by the strip thin film is greater than 0.01 μm and less than 0.9, The length of the grating formed by the strip-shaped thin film is a light-absorbing polarizing element greater than 0.05 μm.
透過型プロジェクター。 Transmission projector.
前記入射側偏光板、及び前記出射側偏光板のうち少なくとも一方は、 At least one of the incident side polarizing plate and the output side polarizing plate is:
可視光に透明な基板と、 A substrate transparent to visible light,
前記基板上で一方向に延びた矩形断面の帯状薄膜が0.05μmより大きく前記可視光の波長よりも小さいピッチで一次元格子状に配列された反射層と、 A reflective layer in which strip-like thin films having a rectangular cross section extending in one direction on the substrate are arranged in a one-dimensional lattice pattern at a pitch larger than 0.05 μm and smaller than the wavelength of the visible light;
前記反射層上に前記可視光に対して透明な光学材料で形成された誘電体層と、 A dielectric layer formed of an optical material transparent to the visible light on the reflective layer;
誘電体層上に形成された光学異方性を有する無機微粒子層と、を備え、 An inorganic fine particle layer having optical anisotropy formed on the dielectric layer,
前記帯状薄膜のライン幅をピッチで除した値は0.1よりも大きく0.9未満であり、前記帯状薄膜によって形成される格子の深さは0.01μmより大きく0.9未満であり、前記帯状薄膜によって形成される格子の長さは0.05μmより大きい、光吸収型偏光素子である、 The value obtained by dividing the line width of the strip thin film by the pitch is greater than 0.1 and less than 0.9, and the depth of the lattice formed by the strip thin film is greater than 0.01 μm and less than 0.9, The length of the grating formed by the strip-shaped thin film is a light-absorbing polarizing element greater than 0.05 μm.
液晶表示装置。 Liquid crystal display device.
Applications Claiming Priority (4)
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JP2006187938 | 2006-07-07 | ||
JP2006187938 | 2006-07-07 | ||
JP2007026427 | 2007-02-06 | ||
JP2007026427 | 2007-02-06 |
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JP2016043511A Division JP6160727B2 (en) | 2006-07-07 | 2016-03-07 | Projection method |
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JP2018171079A Division JP6770037B2 (en) | 2006-07-07 | 2018-09-13 | LCD projector |
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JP2017167547A JP2017167547A (en) | 2017-09-21 |
JP2017167547A5 true JP2017167547A5 (en) | 2017-11-02 |
JP6402799B2 JP6402799B2 (en) | 2018-10-10 |
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JP2007170583A Active JP5380796B2 (en) | 2006-07-07 | 2007-06-28 | Polarizing element and liquid crystal projector |
JP2011243396A Active JP5578156B2 (en) | 2006-07-07 | 2011-11-07 | Polarizing element and liquid crystal projector |
JP2013149471A Active JP5938016B2 (en) | 2006-07-07 | 2013-07-18 | LCD projector |
JP2016043511A Active JP6160727B2 (en) | 2006-07-07 | 2016-03-07 | Projection method |
JP2017085143A Active JP6402799B2 (en) | 2006-07-07 | 2017-04-24 | Light-absorbing polarizing element, transmissive projector, and liquid crystal display device |
JP2018171079A Active JP6770037B2 (en) | 2006-07-07 | 2018-09-13 | LCD projector |
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JP2007170583A Active JP5380796B2 (en) | 2006-07-07 | 2007-06-28 | Polarizing element and liquid crystal projector |
JP2011243396A Active JP5578156B2 (en) | 2006-07-07 | 2011-11-07 | Polarizing element and liquid crystal projector |
JP2013149471A Active JP5938016B2 (en) | 2006-07-07 | 2013-07-18 | LCD projector |
JP2016043511A Active JP6160727B2 (en) | 2006-07-07 | 2016-03-07 | Projection method |
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JP2018171079A Active JP6770037B2 (en) | 2006-07-07 | 2018-09-13 | LCD projector |
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