NL7503504A - Optisch filter met vloeibare kristallen. - Google Patents
Optisch filter met vloeibare kristallen.Info
- Publication number
- NL7503504A NL7503504A NL7503504A NL7503504A NL7503504A NL 7503504 A NL7503504 A NL 7503504A NL 7503504 A NL7503504 A NL 7503504A NL 7503504 A NL7503504 A NL 7503504A NL 7503504 A NL7503504 A NL 7503504A
- Authority
- NL
- Netherlands
- Prior art keywords
- optical filter
- liquid crystals
- crystals
- liquid
- filter
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/36—Steroidal liquid crystal compounds
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3016—Polarising elements involving passive liquid crystal elements
-
- 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
- C09K2019/523—Organic solid particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/465,048 US3942870A (en) | 1974-04-29 | 1974-04-29 | Liquid crystalline optical filter |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7503504A true NL7503504A (nl) | 1975-06-30 |
Family
ID=23846296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7503504A NL7503504A (nl) | 1974-04-29 | 1975-03-24 | Optisch filter met vloeibare kristallen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3942870A (nl) |
JP (1) | JPS50147755A (nl) |
CA (1) | CA1029995A (nl) |
FR (1) | FR2269098A1 (nl) |
NL (1) | NL7503504A (nl) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01133003A (ja) * | 1987-11-18 | 1989-05-25 | Sumitomo Chem Co Ltd | 偏光板 |
US4968127A (en) * | 1988-11-23 | 1990-11-06 | Russell James P | Controllable, variable transmissivity eyewear |
GB2321717A (en) * | 1997-01-31 | 1998-08-05 | Sharp Kk | Cholesteric optical filters |
JP2927274B2 (ja) * | 1997-06-02 | 1999-07-28 | 日本電気株式会社 | 楕円偏光板及びそれを用いた液晶表示装置 |
JP3745221B2 (ja) * | 2000-12-20 | 2006-02-15 | 大日本印刷株式会社 | 円偏光抽出光学素子及びその製造方法、偏光光源装置、液晶表示装置 |
US7662205B2 (en) * | 2005-03-09 | 2010-02-16 | Vitag Corporation | Processes to beneficiate heat-dried biosolid pellets |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3697150A (en) * | 1971-01-06 | 1972-10-10 | Xerox Corp | Electro-optic systems in which an electrophoretic-like or dipolar material is dispersed throughout a liquid crystal to reduce the turn-off time |
US3780307A (en) * | 1971-10-22 | 1973-12-18 | Xerox Corp | Liquid crystalline compositions having induced optical activity |
-
1974
- 1974-04-29 US US05/465,048 patent/US3942870A/en not_active Expired - Lifetime
-
1975
- 1975-02-27 CA CA221,187A patent/CA1029995A/en not_active Expired
- 1975-03-24 NL NL7503504A patent/NL7503504A/nl unknown
- 1975-04-22 JP JP50049016A patent/JPS50147755A/ja active Pending
- 1975-04-29 FR FR7513452A patent/FR2269098A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2269098A1 (nl) | 1975-11-21 |
JPS50147755A (nl) | 1975-11-27 |
US3942870A (en) | 1976-03-09 |
CA1029995A (en) | 1978-04-25 |
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