EP2211992A1 - Verwendung eines beschichteten, transparenten substrats zur beeinflussung der menschlichen psyche - Google Patents
Verwendung eines beschichteten, transparenten substrats zur beeinflussung der menschlichen psycheInfo
- Publication number
- EP2211992A1 EP2211992A1 EP08850536A EP08850536A EP2211992A1 EP 2211992 A1 EP2211992 A1 EP 2211992A1 EP 08850536 A EP08850536 A EP 08850536A EP 08850536 A EP08850536 A EP 08850536A EP 2211992 A1 EP2211992 A1 EP 2211992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass
- use according
- coating
- glazing
- sio
- 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- Withdrawn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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0618—Psychological treatment
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/425—Coatings comprising at least one inhomogeneous layer consisting of a porous layer
Definitions
- the invention relates to coatings or substrates with an etching and / or a coating based on, in particular nanoporous SiO 2 , which are adjusted in terms of their transparency to the spectral intensity curve of natural light with special consideration of the psychologically effective wavelength range.
- Potential areas of application lie in the glazing of buildings in which
- SCN nuclei suprachiasmatici
- the NIF receptors receive radiation of too low intensity in the corresponding wavelength range, this can lead to a disruption of the melatonin household, which is unfavorable to the mental / psychological state of the human being effect.
- Possible consequences of a deficiency are sleep disorders, depression or other mental illnesses. This correlation is particularly evident in the investigation of the phenomenon of "winter depression", which is currently being diagnosed in the low-light months of winter According to a study by the Ministry of Labor in NRW, 27% of all reports of occupational disability are due to mental illness, most of which is melatonin Is attributed causally.
- Brightness sensitivity of the human eye again which corresponds to the sensitivity of the suppository receptors in the eye. So it represents the photometric sensitivity and is referred to as a photopic curve.
- the middle, dashed Curve represents the spectral sensitivity of the rod-shaped receptors of the human eye and thus the sensitivity for dark vision, it is called the scotopic curve.
- the object of the invention is to provide glasses or other daylight transparent body, which take into account this situation and are modified so as to prevent or alleviate a possible winter depression or other adverse effects on the human melatonin household.
- the object of the invention is achieved by the proposal to provide glasses or other transparent to daylight, preferably flat body for this application, which are constructed such that they have a high transmissivity in the wavelength range of about 460 nm, at least about 92 %, preferably at least 95% and more preferably at least 98%.
- preference is given to using glasses with coatings which exhibit their maximum transmissivity in the range from 450 nm to 550 nm in order to combine both aspects, a glass which is as invisible as possible, reflection-free glass and the highest possible yield of circadian radiation components of the light source.
- phase condition the phase condition
- the second is the amplitude condition; it is:
- n G refractive index of the glass on which the layer is located (the refractive index of air is 1).
- the optimum refractive index of the layer is 1.23. In order to achieve an optimum antireflection at 460 nm, the layer must have this refractive index
- Such a layer thickness can be achieved, for example, by placing the substrate to be coated in a dipping bath suitable coating materials such as sols immersed, pulled out again with the appropriate pulling speed and then dried or heated. The exact pulling rate is conveniently determined empirically using a calibration curve: the faster one pulls, the thicker the layer becomes. Alternatively, one can prepare the layer by etching the glass.
- the layer thickness must be adjusted accordingly. If the refractive index is, for example, 1.32, this results in a
- Porous layers made by etching glass are characterized by very good optical results (see Soren Milton Thomsen, Method of Making a Reflection Reducing Film on the Surface of a Glass Item, DE Patent 822714, 1949; MJ Minot, Single -Layer, Gradient Refractive Index AR films Effective from 0.35 to 2.5 ⁇ m, J.Opt. Soc.Am.66, (1976) 515 and GK Chinyama, A.Roos, and B. Karlson, Stability of Antireflection Coatings for Large Area Glazings, Solar Energy 50, (1993) 105).
- soda-lime glass reach a refractive index of 1.27 (Wagner, A., Industrial Production of Solar Antireflective Glass, 11th Symposium Thermal Solar Energy, Ostbayerisches Technologie-Transfer-Institut eV, Klein Banz, 9. - 11 5. 2001). If such an etching layer is applied at a depth of approximately 100 to 130 nm, the soda-lime glasses thus treated are suitable for the purposes of the present invention.
- etch process may be used for glasses that undergo phase separation, such as borosilicate glass of composition 55-82% SiO 2 , 12-30% B 2 O 3 , 2-12% alkali metal oxides, and 0-7% Al 2 O 3 (In% by mass) (JA Doddato, MJ Minot, Durable Substrates Having Porous Antireflection Coatings, US Patent 4,080,188 (1978).) Also this results in correspondingly thick
- Etching coatings for transmittances suitable according to the invention even if the complicated etching processes and the use of hazardous acids such as semiconcentrated hexafluorosilicic acid or NH 4 F-HF are disadvantageous (Nostell, P., Roos, A.; Karlsson, B.; energy applications, Solar Energy Materials and Solar Cells 54, (1998) 223-233).
- Moulton found suitable coating solutions for porous layers as early as 1943 (H.R. Moulton, Method of producing thin-microporous silica coatings, and US Pat. No. 2,474,061 (1949)). He used mixtures of tetraalkoxysilane, ethyl acetate, ethanol, water with HCl and made therefrom brine coated with glass sheets. The porous layers on glass, which had a refractive index of 1.52, formed after thermal treatment lifted the transmission at the design wavelength to 98%, so that such coated glasses are useful in the present invention.
- Yoldas BE Yoldas, Antireflective Graded Index Silica Coating, Method for Making, US Patent 4,535,026) further improved the transmission using polished silica glass to 99.5% over a wavelength range of 300 nm to 1100 nm.
- the porous Moulton porous layer was etched thereby increasing the pore volume and consequently decreasing the refractive index.
- the etching produced a pore radius gradient, which led to a broadening of the reflection minimum.
- said silica glass is particularly well suited for the present invention.
- a temperature treatment at 600 ° C. further densifies the layer and causes the residual reflection to rise to 3%. This is very problematic for the production of wipe-resistant antireflection layers, since sufficiently wipe-resistant, porous layers on glass were only at temperatures of at least 500 0 C (see Cathro et al., Supra), better still in the softening range of the glass (see HR Moulton, Composition for Reduction the Reflection of Light, US Patent 2,601,123).
- Coating composition for the preparation of an antireflection coating DE 196 42 419 Al
- a residual reflection at 460 nm of between about 0.7% and 4.0%
- aqueous oxidic sols SiO 2 / ZrO 2 sols
- the layer thickness can be adjusted to 30 to 300 nm in one-time coating and thus to the thickness optimized for the present invention.
- Such surfactant-containing, practically pure aqueous sols increase the solar transmission of a so-equipped, low-iron soda lime glass to 95.3%, wherein the layer has a refractive index of 1.29. Although such layers do not reach the optimum refractive index, they are extremely smudge-proof (1000 strokes).
- Glaubitt et al (Glaubitt, W., Kursawe, M., Gombert, A, Hofmann, Th., Novel hybrid sol for producing abrasion-resistant SiO 2 antireflection layers, WO 03/027015 A1) have found that, when water-dispersed, silicatic Particles that have been added to unstable ammoniacal sols, the abrasion resistance of the resulting layer is dramatically increased without that they are significantly compressed during thermal exposure to temperatures around 650 0 C. The residual reflection was ⁇ 0.5%, and 1000 strokes were measured according to DIN EN 1096-2.
- All coating solutions according to the aforementioned methods are suitable for the production of a broadband anti-reflective glass with a maximum transmission in the range 450 nm - 550 nm.
- the desired transmission maximum can be adjusted in the mentioned dipping method as described above on the pull rate when pulling out of the glass from the coating solution. But even the previously developed coatings or etchings can lead to glasses with the desired properties and thus for the purposes of Are used in the invention, even if it is to make smears or the process for their production have disadvantages.
- 0.1 N ammonium hydroxide solution in an amount of 1994 g are completely mixed with 25670 g of ethanol and added with further stirring 3405 g of tetramethoxysilane.
- aqueous, 2% silica sol After a stirring time of 2 hours, 26880 g of aqueous, 2% silica sol are added and stirring is continued for 30 minutes until 86925 g of 1-methoxy-2-propanol are added to the batch.
- the aqueous, 2% silica sol is prepared according to US Patent 4,775,520. The coating solution is stirred overnight and finally filtered.
- a previously cleaned glass sheet is dipped in the coating solution and pulled out at a speed of 15 cm / min. After 10 minutes of venting the glass sheet is annealed at 550 0 C for 15 min.
- the result is a usable for the invention, broadband anti-reflective treatment glass with a maximum transmission of 510 nm. See also Figure 2, in which the spectral transmissivity of the therapeutic glass of this example with a maximum transmission of about 99% at 510 nm compared to the transmittance of normal Glass (broad maximum, but transmittivity barely above 90-91%) is shown.
- the slices are dried for 30 min at 130 0 C, then brought at a heating rate of 120 ° K / h to 500 0 C and held for one hour at this temperature.
- the resulting antireflection coating exhibits a refractive index of 1.22.
- a coating solution according to the implementation example of DE 196 42 419 Al is made. Eight pieces of silica glass are dipped in succession in this solution and pulled out at a constant speed. Then these eight slices will each be different for 15 minutes
- Temperatures between 500 and 1200 0 C exposed For samples exposed to temperatures between 600 0 C and 1000 0 C, reflections of approximately 5.5% to less than 2% (lower reflection at higher temperature) are measured at 460 nm. If the sample 1100 0 C exposed, the reflection at 460 nm even drops to well below 1%.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Psychology (AREA)
- Animal Behavior & Ethology (AREA)
- Psychiatry (AREA)
- Developmental Disabilities (AREA)
- Social Psychology (AREA)
- Child & Adolescent Psychology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Hospice & Palliative Care (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Composite Materials (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Surface Treatment Of Glass (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007053839A DE102007053839B4 (de) | 2007-11-12 | 2007-11-12 | Verwendung eines beschichteten, transparenten Substrats zur Beeinflussung der menschlichen Psyche |
| PCT/EP2008/064989 WO2009062871A1 (de) | 2007-11-12 | 2008-11-05 | Verwendung eines beschichteten, transparenten substrats zur beeinflussung der menschlichen psyche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2211992A1 true EP2211992A1 (de) | 2010-08-04 |
Family
ID=40247109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08850536A Withdrawn EP2211992A1 (de) | 2007-11-12 | 2008-11-05 | Verwendung eines beschichteten, transparenten substrats zur beeinflussung der menschlichen psyche |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100262211A1 (de) |
| EP (1) | EP2211992A1 (de) |
| JP (1) | JP2011502928A (de) |
| CN (1) | CN101970047A (de) |
| DE (1) | DE102007053839B4 (de) |
| WO (1) | WO2009062871A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5197436B2 (ja) * | 2009-02-26 | 2013-05-15 | 株式会社東芝 | センサーチップ及びその製造方法。 |
| CA2837823C (en) * | 2011-05-31 | 2023-05-16 | Clarencew Pty. Ltd | Methods for preventing and treating motor-related neurological conditions |
| EP2901184A4 (de) | 2012-09-26 | 2015-11-18 | 8797625 Canada Inc | Mehrschichtiger optischer interferenzfilter |
| US9391881B2 (en) * | 2013-02-20 | 2016-07-12 | Ip Technology Labs, Llc | System and methods for dynamic network address modification |
| CN107510876B (zh) * | 2013-04-04 | 2021-02-05 | 瑟卡蒂安齐尔克莱特有限公司 | 用于提供人工照明的方法和系统 |
| CN105607158B (zh) | 2016-01-04 | 2018-07-06 | 重庆京东方光电科技有限公司 | 一种基板、基板制造方法、触摸屏和显示装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5274403A (en) * | 1987-08-28 | 1993-12-28 | Gott George M | Lens useful in inhibiting the production of melatonin and lens produced thereby |
| WO2001085254A1 (en) * | 2000-05-10 | 2001-11-15 | Thomas Jefferson University | Photoreceptor system for melatonin regulation and phototherapy |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2474061A (en) | 1943-07-23 | 1949-06-21 | American Optical Corp | Method of producing thin microporous silica coatings having reflection reducing characteristics and the articles so coated |
| USB490662I5 (de) * | 1946-09-21 | |||
| US2601123A (en) | 1947-04-05 | 1952-06-17 | American Optical Corp | Composition for reducing the reflection of light |
| US4080188A (en) | 1976-11-22 | 1978-03-21 | Corning Glass Works | Durable substrates having porous antireflection coatings |
| US4535026A (en) | 1983-06-29 | 1985-08-13 | The United States Of America As Represented By The United States Department Of Energy | Antireflective graded index silica coating, method for making |
| CA1275208C (en) * | 1985-01-25 | 1990-10-16 | Roger W. Lange | Silica coating |
| DE3616133A1 (de) | 1985-09-25 | 1987-11-19 | Merck Patent Gmbh | Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel |
| JP2716302B2 (ja) * | 1991-11-29 | 1998-02-18 | セントラル硝子株式会社 | マイクロピット状表層を有する酸化物薄膜および該薄膜を用いた多層膜、ならびにその形成法 |
| JP2716330B2 (ja) * | 1992-11-13 | 1998-02-18 | セントラル硝子株式会社 | 低反射ガラスおよびその製法 |
| WO1997006896A1 (en) | 1995-08-14 | 1997-02-27 | Central Glass Company Limited | Porous metal-oxide thin film and method of forming same on glass substrate |
| DE19642419A1 (de) | 1996-10-14 | 1998-04-16 | Fraunhofer Ges Forschung | Verfahren und Beschichtungszusammensetzung zur Herstellung einer Antireflexionsbeschichtung |
| FR2762097B1 (fr) * | 1997-04-10 | 1999-07-02 | Corning Sa | Dispositif optique a revetement antireflechissant, materiau de revetement et procede de revetement correspondants |
| EP0897898B1 (de) * | 1997-08-16 | 2004-04-28 | MERCK PATENT GmbH | Verfahren zur Abscheidung optischer Schichten |
| DE19828231C2 (de) | 1997-08-16 | 2000-09-07 | Merck Patent Gmbh | Verfahren zur Abscheidung poröser optischer Schichten |
| DE19918811A1 (de) * | 1999-04-26 | 2000-11-02 | Fraunhofer Ges Forschung | Vorgespanntes, mit einer wischfesten, porösen SiO¶2¶-Antireflex-Schicht versehenes Sicherheitsglas u. Verfahren z. d. Herstellung |
| WO2001046718A2 (de) * | 1999-12-22 | 2001-06-28 | Schott Glas | Uv-reflektierendes interferenzschichtsystem |
| CN100400450C (zh) * | 2001-09-21 | 2008-07-09 | 默克专利股份有限公司 | 用于形成耐磨的SiO2抗反射层的混杂型溶胶 |
-
2007
- 2007-11-12 DE DE102007053839A patent/DE102007053839B4/de not_active Revoked
-
2008
- 2008-11-05 CN CN2008801157366A patent/CN101970047A/zh active Pending
- 2008-11-05 JP JP2010532576A patent/JP2011502928A/ja active Pending
- 2008-11-05 US US12/742,532 patent/US20100262211A1/en not_active Abandoned
- 2008-11-05 WO PCT/EP2008/064989 patent/WO2009062871A1/de not_active Ceased
- 2008-11-05 EP EP08850536A patent/EP2211992A1/de not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5274403A (en) * | 1987-08-28 | 1993-12-28 | Gott George M | Lens useful in inhibiting the production of melatonin and lens produced thereby |
| WO2001085254A1 (en) * | 2000-05-10 | 2001-11-15 | Thomas Jefferson University | Photoreceptor system for melatonin regulation and phototherapy |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2009062871A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100262211A1 (en) | 2010-10-14 |
| DE102007053839A1 (de) | 2009-05-20 |
| WO2009062871A1 (de) | 2009-05-22 |
| DE102007053839B4 (de) | 2009-09-24 |
| JP2011502928A (ja) | 2011-01-27 |
| CN101970047A (zh) | 2011-02-09 |
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