EP3265541A1 - Material zur herstellung einer elektrooptischen verschlussvorrichtung mit drei übertragungszuständen, zugehörige vorrichtung und verwendungen davon - Google Patents
Material zur herstellung einer elektrooptischen verschlussvorrichtung mit drei übertragungszuständen, zugehörige vorrichtung und verwendungen davonInfo
- Publication number
- EP3265541A1 EP3265541A1 EP16707090.3A EP16707090A EP3265541A1 EP 3265541 A1 EP3265541 A1 EP 3265541A1 EP 16707090 A EP16707090 A EP 16707090A EP 3265541 A1 EP3265541 A1 EP 3265541A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- state
- liquid crystal
- electro
- optical shutter
- shutter device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 title claims description 20
- 239000004988 Nematic liquid crystal Substances 0.000 claims abstract description 21
- 239000002019 doping agent Substances 0.000 claims abstract description 21
- 238000002834 transmittance Methods 0.000 claims description 23
- 239000004973 liquid crystal related substance Substances 0.000 claims description 20
- 239000012780 transparent material Substances 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 abstract 3
- 239000000975 dye Substances 0.000 description 30
- 238000010521 absorption reaction Methods 0.000 description 22
- 210000004027 cell Anatomy 0.000 description 22
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 15
- 238000009792 diffusion process Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 230000005684 electric field Effects 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013642 negative control Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003098 cholesteric effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/58—Dopants or charge transfer agents
- C09K19/586—Optically active dopants; chiral dopants
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
-
- 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
- G02F1/13725—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 based on guest-host interaction
-
- 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
- G02F1/13731—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 based on a field-induced phase transition
- G02F1/13737—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 based on a field-induced phase transition in liquid crystals doped with a pleochroic dye
Definitions
- the voltage signal has a frequency of between 0.5 Hz and 100 Hz.
- black dye or "black dichroic dye”
- black dichroic dye black dye
- a black dye is a mixture of several dyes.
- the cholesteric liquid crystal when it is associated with anisotropic black dye, has its modified properties:
- the material is defined with the following characteristics:
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1551764A FR3033331B1 (fr) | 2015-03-03 | 2015-03-03 | Materiau destine a la realisation d'un dispositif d'obturation electro-optique a trois etats de transmission, dispositif et utilisations correspondants. |
| PCT/EP2016/054120 WO2016139150A1 (fr) | 2015-03-03 | 2016-02-26 | Matériau destiné à la réalisation d'un dispositif d'obturation électro-optique à trois états de transmission, dispositif et utilisations correspondants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3265541A1 true EP3265541A1 (de) | 2018-01-10 |
Family
ID=53879560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16707090.3A Withdrawn EP3265541A1 (de) | 2015-03-03 | 2016-02-26 | Material zur herstellung einer elektrooptischen verschlussvorrichtung mit drei übertragungszuständen, zugehörige vorrichtung und verwendungen davon |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180051212A1 (de) |
| EP (1) | EP3265541A1 (de) |
| JP (1) | JP2018508840A (de) |
| FR (1) | FR3033331B1 (de) |
| WO (1) | WO2016139150A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3049727B1 (fr) * | 2016-04-01 | 2018-04-27 | Institut Mines Telecom | Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible |
| JP7180589B2 (ja) * | 2017-03-10 | 2022-11-30 | 大日本印刷株式会社 | 調光フィルム及び調光システム、調光部材 |
| JP7468142B2 (ja) * | 2020-05-22 | 2024-04-16 | 大日本印刷株式会社 | 調光装置 |
| JP2024047499A (ja) * | 2022-09-26 | 2024-04-05 | Dic株式会社 | 液晶調光装置、液晶調光装置の調光方法、及び液晶調光プログラム |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130120676A1 (en) * | 2010-06-18 | 2013-05-16 | Fujifilm Corporation | Stereo image print and method of producing the same |
| US20140232960A1 (en) * | 2011-09-30 | 2014-08-21 | 3M Innovative Properties Company | Electronically switchable privacy film and display device having same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7471369B2 (en) * | 2001-01-11 | 2008-12-30 | Sipix Imaging, Inc. | Transmissive or reflective liquid crystal display and process for its manufacture |
| WO2005045485A1 (en) * | 2003-11-06 | 2005-05-19 | Koninklijke Philips Electronics N.V. | Dichroic guest-host polarizer comprising an oriented polymer film |
| JP2009093143A (ja) | 2007-09-18 | 2009-04-30 | Fujifilm Corp | 液晶デバイス |
| WO2011157614A1 (en) * | 2010-06-14 | 2011-12-22 | Basf Se | Black dichroic dye |
| US9116370B2 (en) | 2013-02-12 | 2015-08-25 | Alphamicron Incorporated | Liquid crystal light variable device |
| JP6554091B2 (ja) * | 2013-05-08 | 2019-07-31 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ | 光学的エネルギーの通過を調整するための２つの液晶切換層を含むデバイス |
-
2015
- 2015-03-03 FR FR1551764A patent/FR3033331B1/fr not_active Expired - Fee Related
-
2016
- 2016-02-26 WO PCT/EP2016/054120 patent/WO2016139150A1/fr active Application Filing
- 2016-02-26 JP JP2017564797A patent/JP2018508840A/ja active Pending
- 2016-02-26 EP EP16707090.3A patent/EP3265541A1/de not_active Withdrawn
- 2016-02-26 US US15/555,732 patent/US20180051212A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130120676A1 (en) * | 2010-06-18 | 2013-05-16 | Fujifilm Corporation | Stereo image print and method of producing the same |
| US20140232960A1 (en) * | 2011-09-30 | 2014-08-21 | 3M Innovative Properties Company | Electronically switchable privacy film and display device having same |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2016139150A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3033331B1 (fr) | 2017-04-14 |
| WO2016139150A1 (fr) | 2016-09-09 |
| JP2018508840A (ja) | 2018-03-29 |
| FR3033331A1 (fr) | 2016-09-09 |
| US20180051212A1 (en) | 2018-02-22 |
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Legal Events
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| AX | Request for extension of the european patent |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: MANNA, SUMANKALYAN Inventor name: DE BOUGRENET DE LA TOCNAYE, JEAN-LOUIS Inventor name: DUPONT, LAURENT Inventor name: SATHAYE, KEDAR |
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