JP6688744B2 - 可変視角を有する光学システム - Google Patents
可変視角を有する光学システム Download PDFInfo
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- JP6688744B2 JP6688744B2 JP2016569879A JP2016569879A JP6688744B2 JP 6688744 B2 JP6688744 B2 JP 6688744B2 JP 2016569879 A JP2016569879 A JP 2016569879A JP 2016569879 A JP2016569879 A JP 2016569879A JP 6688744 B2 JP6688744 B2 JP 6688744B2
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1323—Arrangements for providing a switchable viewing angle
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13781—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering using smectic liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13756—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal selectively assuming a light-scattering state
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Description
項目1は、
第1主表面を有する切り替え可能拡散体であって、実質的に透明な状態、又は第1曇り状態になることができる、切り替え可能拡散体と、
第1主表面の反対側で切り替え可能拡散体に隣接して配置される、低吸収性光学要素と、
切り替え可能拡散体を第1主表面から照らすよう配置された、照明要素と、を含む、光学システムであり、
この光学システムは、空気界面が切り替え可能拡散体の第1主表面に存在するか、又は低屈折率層が照明要素と切り替え可能拡散体との間に配置されるように、構成され、低吸収性光学要素は、照明要素が第1主表面から切り替え可能拡散体を照らし、かつ切り替え可能拡散体が実質的に透明な状態にあるときに、コリメーション効果又は方向転換効果を提供する。
光ガイドと、
光ガイドに隣接する切り替え可能拡散体であって、実質的に透明な状態、又は第1曇り状態のいずれかになることができる、切り替え可能拡散体と、
光ガイドの反対側で切り替え可能拡散体に隣接して配置されるか、又は切り替え可能拡散体の反対側で光ガイドに隣接して配置されるか、又は光学システムの出力表面の反対側で光ガイドに隣接して配置される、低吸収性光学要素と、を含む、光学システムであり、
空気ギャップ又は低屈折率層が、切り替え可能拡散体と光ガイドとを分離し、低吸収性光学要素は、光が光ガイド内に入力され、かつ切り替え可能拡散体が実質的に透明な状態にあるときに、コリメーション効果又は方向転換効果を提供する。
光抽出機能を含む光ガイドと、
光ガイドに隣接する切り替え可能拡散体であって、実質的に透明な状態、又は第1曇り状態になることができる、切り替え可能拡散体と、
光ガイドの反対側で切り替え可能拡散体に隣接して配置されるか、又は切り替え可能拡散体の反対側で光ガイドに隣接して配置されるか、又は光学システムの出力表面の反対側で光ガイドに隣接して配置される、低吸収性光学要素と、を含む、光学システムであり、
低吸収性光学要素は、光が光ガイド内に入力され、かつ切り替え可能拡散体が実質的に透明な状態にあるときに、コリメーション効果又は方向転換効果を提供する。
Claims (8)
- 第1主表面を有する切り替え可能拡散体であって、前記切り替え可能拡散体が、実質的に透明な状態、又は第1曇り状態になることができる、切り替え可能拡散体と、
前記第1主表面の反対側で前記切り替え可能拡散体に隣接して配置される、低吸収性光学要素と、
前記切り替え可能拡散体を前記第1主表面から照らすよう配置された、照明要素と、を含む、光学システムであって、
前記光学システムが、空気界面が前記切り替え可能拡散体の前記第1主表面に存在するか、あるいは屈折率が1.39以下である低屈折率層が前記照明要素と前記切り替え可能拡散体との間に配置されるように、構成され、前記低吸収性光学要素は、前記照明要素が前記第1主表面から前記切り替え可能拡散体を照らし、かつ前記切り替え可能拡散体が前記実質的に透明な状態にあるときに、コリメーション効果又は方向転換効果を提供し、前記照明要素が光源及び光ガイドを含む、光学システム。 - 前記切り替え可能拡散体は、前記第1主表面が前記光ガイド側に面した状態で前記光ガイドに隣接して配置される、請求項1に記載の光学システム。
- 前記照明要素から前記低吸収性光学要素を通って延在し、かつ前記切り替え可能拡散体の前記第1主表面を横断して延在する領域が、低吸収性領域である、請求項1に記載の光学システム。
- 光ガイドと、
前記光ガイドに隣接する切り替え可能拡散体であって、前記切り替え可能拡散体が、実質的に透明な状態、又は第1曇り状態のいずれかになることができる、切り替え可能拡散体と、
前記光ガイドと低吸収性光学要素との間に前記切り替え可能拡散体が位置するか、又は前記切り替え可能拡散体と低吸収性光学要素との間に前記光ガイドが位置するか、又は光学システムの出力表面と低吸収性光学要素との間に前記光ガイドが位置するように配置される、低吸収性光学要素と、を含む、光学システムであって、
空気ギャップ又は屈折率が1.39以下である低屈折率層が、前記切り替え可能拡散体と前記光ガイドとを分離し、前記低吸収性光学要素は、光が光ガイド内に入力され、かつ前記切り替え可能拡散体が前記実質的に透明な状態にあるときに、コリメーション効果又は方向転換効果を提供する、光学システム。 - 前記低吸収性光学要素と前記光ガイドとの間に前記切り替え可能拡散体が位置する、請求項4に記載の光学システム。
- 前記光ガイドから前記低吸収性光学要素を通って延在し、かつ前記切り替え可能拡散体の第1主表面を横断して延在する領域が、低吸収性領域である、請求項5に記載の光学システム。
- 前記低吸収性光学要素と前記切り替え可能拡散体との間に前記光ガイドが位置し、かつ前記光学システムが、前記光ガイドと反射体との間に前記切り替え可能拡散体が位置するように配置される反射体を更に含む、請求項4に記載の光学システム。
- 光抽出機能を含む光ガイドと、
前記光ガイドに隣接する切り替え可能拡散体であって、前記切り替え可能拡散体が、実質的に透明な状態、又は第1曇り状態になることができる、切り替え可能拡散体と、
低吸収性光学要素と前記切り替え可能拡散体との間に前記光ガイドが位置するように配置される、低吸収性光学要素と、
前記光ガイドと反射体との間に前記切り替え可能拡散体が位置するように配置される、反射体と、
を含む、光学システムであって、
前記低吸収性光学要素は、光が前記光ガイド内に入力され、かつ前記切り替え可能拡散体が前記実質的に透明な状態にあるときに、コリメーション効果又は方向転換効果を提供する、光学システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462005573P | 2014-05-30 | 2014-05-30 | |
US62/005,573 | 2014-05-30 | ||
PCT/US2015/032539 WO2015183867A1 (en) | 2014-05-30 | 2015-05-27 | Optical systems having variable viewing angles |
Publications (3)
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JP2017519338A JP2017519338A (ja) | 2017-07-13 |
JP2017519338A5 JP2017519338A5 (ja) | 2018-07-05 |
JP6688744B2 true JP6688744B2 (ja) | 2020-04-28 |
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JP (1) | JP6688744B2 (ja) |
KR (1) | KR102376134B1 (ja) |
CN (1) | CN106461819B (ja) |
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-
2015
- 2015-05-27 KR KR1020167036290A patent/KR102376134B1/ko active IP Right Grant
- 2015-05-27 US US15/301,780 patent/US9921345B2/en active Active
- 2015-05-27 JP JP2016569879A patent/JP6688744B2/ja active Active
- 2015-05-27 WO PCT/US2015/032539 patent/WO2015183867A1/en active Application Filing
- 2015-05-27 CN CN201580027501.1A patent/CN106461819B/zh active Active
- 2015-05-29 TW TW104117516A patent/TW201610509A/zh unknown
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US9921345B2 (en) | 2018-03-20 |
KR20170013915A (ko) | 2017-02-07 |
JP2017519338A (ja) | 2017-07-13 |
KR102376134B1 (ko) | 2022-03-18 |
CN106461819A (zh) | 2017-02-22 |
TW201610509A (zh) | 2016-03-16 |
CN106461819B (zh) | 2019-09-06 |
WO2015183867A1 (en) | 2015-12-03 |
US20170176652A1 (en) | 2017-06-22 |
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