CN1230695A - Reflector substrate for illumination device and reflector for illumination device - Google Patents
Reflector substrate for illumination device and reflector for illumination device Download PDFInfo
- Publication number
- CN1230695A CN1230695A CN99105569A CN99105569A CN1230695A CN 1230695 A CN1230695 A CN 1230695A CN 99105569 A CN99105569 A CN 99105569A CN 99105569 A CN99105569 A CN 99105569A CN 1230695 A CN1230695 A CN 1230695A
- Authority
- CN
- China
- Prior art keywords
- light fixture
- catoptron
- mirror substrate
- film
- mirror
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
This reflector material 1 for a lighting fixture has such a characteristic that it is composed of a mold of an aromatic polyimide film or an aromatic polyamide film. And this reflector for the lighting fixture 8 is composed by forming a reflecting layer 10 by the vapor deposition of reflecting material, on the reflector base member 1 comprising a mold of an aromatic polyimide film or an aromatic polyamide film. The invention provides a reflector substrate for a lighting fixture, which is lightweight and excellent in surface smoothness, safety, moldability, heat resistance and handling performance, which does not require a pretreatment at the time of forming a reflecting layer, and is suitable for mass production.
Description
The present invention relates to a kind of mirror substrate that is used for light fixture, this light fixture is mainly used in auto bulb or fog lamp as lamp reflector, also relates to a kind of catoptron that is used for the light fixture made by said substrate.
Auto bulb (headlight) or fog lamp catoptron (lamp reflector) mainly comprise polyphenylene sulfide, unsaturated polyester resin or the analog of mirror substrate that glass, aluminium or a metalloid are made and injection moulding or compression moulding.A metallic mirror layer forms thereon, and the metallic mirror layer is used as a kind of reflecting material, aluminium, nickel-chrome, titanium dioxide, or analog there.
Auto bulb (headlight) and fog lamp be as light source, halogen lamp, or xenon lamp, or analog, and it can improve near temperature to the 200 ℃ lighting bulb socket or higher.Thereby mirror substrate must be used injection moulding or compression moulding plastics (enhancing moulded resin products), and by adding a kind of inorganic strengthening agent such as metal or glass fibre, lime carbonate and analog, its heat resistance is enhanced.
But, use glass as these systems of mirror substrate since their weight and fragility can not satisfy the demand.
Use comprises metal and strengthens moulded resin products to also have a large amount of manufacturing steps as these systems of mirror substrate except weight, also falls behind.The secondary treating step necessitates, as carried out resin-coating before the mirror substrate gas deposition, to improve mirror mirror performance (smoothness).
But, use the enhancing moulded resin products to have defective, though weight/power ratio is lighter mutually as mirror substrate with using metal, from the confirmable thickness of they needs of restriction of substrate strength and forming technique as these systems of mirror substrate.This causes the thermal diffusivity of substrate own to reduce, thereby worries to keep relevant thermotolerance with shape in the lamp of structure with the heat build-up tended to such as searchlight type.Also worry quick the giving birth to the life-span that temperature can shorten bulb itself in the housing.
Use the enhancing moulded resin products to have other defective as these systems of mirror substrate, that is, the steam that part produces comprises chloride, causes in the lamp to be heated when lamp is opened.Steam blinding also is solidificated in above the front lens etc. of head lamp, and they make lens dim, thereby reduces the performance of lamp.
The open S60-10887 of Japanese Utility Model has disclosed a kind of thin slice catoptron, has aluminium-gas deposition-mirror process film thin slice, and it is criticized to have got rid of to give and handles as remove grease, obtains the minute surface of thin slice catoptron.But the diaphragm of use is made by tygon, and its poor heat resistance considers that thermotolerance and shape keep, and makes it can not use this thin slice catoptron as the catoptron that uses high yield thermolamp bubble as the head lamp of halogen lamp.
Japanese Patent Application Publication H5-88481 has disclosed a kind of catoptron, obtains by making a visible light reflected infrared transmission multilayer film on the mirror substrate of making at polyimide resin and polyether ketone resin film.The in light weight and anti-destruction of film-substrate, the use of polyimide resin can provide thermotolerance except it, the heat that opposing halogen lamp etc. produces.Because this catoptron is made by visible light reflected infrared transmission multilayer film, can't use the catoptron of this product as auto bulb and fog lamp in the practical application.
The present invention results from research and solves above-mentioned defective of the prior art.
Therefore, first purpose of the present invention is to provide a kind of mirror substrate that is used for light fixture, and it is in light weight, has superior performance aspect surface flatness, security, plasticity, thermotolerance and the processing.
Second purpose of the present invention is to provide a kind of catoptron that is used for light fixture, and it is suitable for producing in batches, need not give processing when producing mirror layer.It is in light weight at catoptron, also be desirable aspect the minute surface performance height, superior thermotolerance, thermal diffusivity, safety and processing, and low-cost and high-quality.
In order to realize first purpose, the mirror substrate that is used for light fixture in the present invention comprises an aromatic polyimide film or aromatic polyamide film moulded product.
The mirror substrate that is used for light fixture is in the present invention made by a kind of natural heat-resisting special plastic film moulded product, thereby it has good surface flatness, and need not give processing when forming mirror coating.It can obtain with low cost by simple manufacturing process such as warm-forming, and weight is extremely light in addition, is difficult for fragmentation, thereby superior safety and processing characteristics is provided.
The mirror substrate that is used for light fixture in the present invention comprises the moulded product that a kind of hot moulding film forms, and wherein moulded product has a main body that generates reflecting surface, an external flange part and an inner flange part.Satisfy these situations and can further improve above-mentioned effect of the present invention.
In order to realize above-mentioned target, the catoptron that is used for light fixture in the present invention is included in the reflection horizon that a kind of reflecting material of gas deposition produces on the mirror substrate, and mirror substrate comprises an aromatic polyimide film or an aromatic polyamide film moulded product.
The catoptron that is used for light fixture in the present invention generates by formed a mirror layer on mirror substrate by gas deposition, and mirror substrate is made by natural heat-resisting and high surface flatness special plastic film moulded product.It is no longer necessary to make giving between mirror layer of gas deposition handle as resin-coating, and obtains catoptron by producing in batches with low cost.In addition, catoptron weight is light especially and anti-broken, need not take off ester (de-greasomg), otherwise will hinder practical application when opening bulb.This makes this product not only have superior heat radiation, safety and processing characteristics, and has improved thermotolerance and minute surface characteristic, thereby a kind of Light reflecting mirror of high-quality performance is provided.
The catoptron that is used for light fixture in the present invention comprises a kind of moulded product, moulded product has a main body that constitutes mirror surface, an external flange part and an inner flange part, wherein main body has at least one and produces mirror layer on it again, comprises the gas deposition of aluminium or silver.This catoptron is useful as Light reflecting mirror.Satisfy these situations and can further improve above-mentioned effect of the present invention.
Will be by further being described in greater detail with reference to the accompanying drawings for the mirror substrate that is used for light fixture of the present invention with the catoptron that is used for light fixture.
Fig. 1 is a part section three-dimensional map, shows the catoptron that a present invention is used for light fixture.
Figure is a part cross-section side view, shows a catoptron that is used for light fixture of the present invention.
Symbolic interpretation:
1: the mirror substrate that is used for light fixture
2: main body
4: outer flange portions
6: the inward flange part
6a: inward flange
8: the catoptron that is used for light fixture
10: the reflection horizon
12: bulb inserts mouth
As shown in Figure 1, the mirror substrate 1 that is used for light fixture of the present invention comprises the moulded product that a kind of hot moulding aromatic polyimide film or aromatic polyamide thin-film obtain.It also comprises 2, one the external flange parts 4 of main body and the inner flange part 6 that constitute the reflecting part.This example shows a structure as the Light reflecting mirror substrate of auto bulb.
In the mirror substrate 1 that is used for light fixture, main body 2 has the surface flatness of the smoothness that influences film, and has the security performance that is used for the searchlight reflecting surface, even without giving processing.
If the intensity of main body 2 becomes a problem, can easily strengthen by an injection-moulded plastic, extruding steel or FRP framework only are installed in main part 2 outsides.
Example shown in Figure 1 is used to explain main part 2, as suppose one paraboloid of revolution simple reflex mirror structure, but based on this purpose, any structure can both be used, as long as it is mouldable, as a multiaspect main body 2.
In addition, the catoptron that is used for light fixture 8 shown in Figure 2 has a reflection horizon 10, by a kind of well known device a kind of reflecting material of gas deposition such as aluminium generation reflection horizon 10 on the inner circumferential surface of mirror substrate 1.In forming the step of mirror substrate 1, mirror substrate 1 keeps its smoothness as film, need not carry out any giving and handle as resin-coating, takes off ester similar processing such as (de-greasing).
In the mirror substrate that is used for light fixture 2 shown in Figure 2, open a bulb 12 (not shown) that enter the mouth by central authorities and constitute Light reflecting mirror, and have the inward flange 6a of a restriction inlet 12 in inward flange part 6.
As shown in Figure 1, in mirror substrate 1, outer flange portions 4 is molded into the net shape of catoptron 8 shown in Figure 2, but industrial, can molded a series of a plurality of mirror substrate 1 on a single film.Carry out gas deposition then and reach the shape requirement of outer flange portions 4, and its cutting and separating.
In said structure, a kind of natural heat-resisting aromatic polyimide film or fragrant polyamide film are used as the film of the mirror substrate 2 that forms light fixture, and it can the several approximately μ m of used thickness to the film of hundreds of μ m.But the film of above-mentioned thickness is commercial exploitation.
Any film, stretching or do not stretch, can be used, but not first-selected use has the film that adding wherein is used to improve the inorganic or organic additive of processability, because it can reduce the surface flatness of mirror substrate 1 usually.
The mirror substrate 1 that is used for light fixture of the present invention can obtain by such as methods such as hot moulding, vacuum forming, the shapings of high pressure pore above-mentioned film being formed ideal form.Here do not limit employed method, as long as manufacturing process does not destroy substrate surface.From production stage, hot moulding is the best way.
From reflecting properties, as reflecting mirror material, being used for the metal of gas deposition on the mirror substrate 1 of light fixture optimal is aluminium or silver, but also is fit to use the chemically stable metallic compound.Chromium and nickel-chrome etc. also can be used as reflecting mirror material or substrate, to improve adhesion strength.
The vapour deposition method that being used to of can being used produces reflection horizon 10 comprises vacuum moulding machine, spraying, electron beam, ion plating and similar disposal route, but does not specifically limit in the present invention.Permission forms diaphragm with method by classes such as coating or gas depositions on the reflection horizon that produces.
The shape that is used for the catoptron 8 of light fixture among the present invention can be the Any shape that is used in head lamp or fog lamp, and perhaps reflection horizon 10 can only form on the desired zone that is used to reflect on the mirror substrate 1.
Reflection horizon 10 can mirror substrate with the bulb opposite side on form.Can produce yellow reflected light in the outside reflection horizon 10 of installing of bulb, yellow is the solid colour of aromatic polyimide film and polyamide film.
Example given below is more specifically explained the present invention.
" Kapton " (trade (brand) name of du pont company; Aromatic polyimide film; Thickness 75 to 125 μ m) produce a kind of auto bulb mirror substrate (Light reflecting mirror substrate) through hot moulding with shape shown in Figure 1.
The Light reflecting mirror substrate that produces has a surface flatness that keeps the film light slippery, and it meets the product requirement of searchlight reflecting surface.
By known vacuum vapor deposition process on above-mentioned Light reflecting mirror substrate the vapour phase deposition of aluminum to produce the thick reflection horizon of 0.3 μ m.The formation step in reflection horizon does not comprise giving to be handled as resin-coating or takes off ester (de-greasing) etc.; Still can form a smooth vapor deposition surface.
Central authorities in the inward flange part open a bulb inlet, and form an inward flange restriction inlet.
The reflection horizon that generates has the catch light slippery, drops into practical application when being used as headlight reflector, is enough to produce a reflection horizon.
Compare with other parts of head lamp, the catoptron weight that is used for light fixture is extremely light.Have fabulous thermal diffusivity and aromatic polyimide film as thin as a wafer and can reduce bulb heat build-up amount in the catoptron, thereby can be enhanced the serviceable life of catoptron and bulb.
The mirror substrate that is used for light fixture of the present invention is as mentioned above made by the natural heat-resisting special plastic film with fine smoothness, makes need not give processing when making the reflection horizon.It can obtain by simple manufacturing process such as warm-forming etc. are low-cost, and weight is extremely light, and anti-crushing has superior safety and and processing characteristics.
It is feasible that the low cost that the present invention is used for the catoptron of light fixture is produced in batches, gives handling and has deposition gas deposition reflection horizon thereon as resin-coating etc. because mirror substrate can be original.Mirror substrate is the molded product of special plastic film of a natural heat-resisting and high surface flatness.Catoptron weight extremely gently and is not carried out any ester that takes off and is handled, and taking off ester practical problems when opening such as has become.It not only provides superior heat radiation, safety and processing characteristics, also has high-fire resistance, minute surface characteristic and capability and performance, thereby this product can be advantageously used for auto bulb or fog lamp catoptron, or other purposes, as big searchlight.
Claims (9)
1 mirror substrate that is used for light fixture comprises an aromatic polyimide film or aromatic polyamide thin-film moulded product.
2. according to the mirror substrate that is used for light fixture of claim 1, wherein said moulded product is made by warm-forming or the said film of vacuum forming.
3. according to the mirror substrate that is used for light fixture of claim 1, wherein moulded product comprises a main body that forms reflecting surface, outer flange portions and inward flange part.
4. according to the mirror substrate that is used for light fixture of claim 2, wherein moulded product comprises a main body that forms reflecting surface, outer flange portions and inward flange part.
5. the catoptron that is used for light fixture is included in the reflection horizon that a kind of reflecting material of gas deposition forms on the mirror substrate, and the mirror substrate bubble is drawn together an aromatic polyimide film or the product that aromatic polyamide thin-film is molded.
6. the catoptron that is used for light fixture according to claim 5, wherein said reflection horizon produces by gas deposition aluminium or silver.
7. the catoptron that is used for light fixture according to claim 5, wherein said moulded product comprise a main body that forms reflecting surface, outer flange portions and inward flange part, and wherein said main body has a generation reflection horizon thereon at least.
8. the catoptron that is used for light fixture according to claim 6, wherein said moulded product comprise a main body that forms reflecting surface, outer flange portions and inward flange part, and wherein said main body has a generation reflection horizon thereon at least.
9. the catoptron that is used for light fixture according to claim 5, wherein said reflection horizon is as a Light reflecting mirror.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP96765/98 | 1998-03-25 | ||
| JP10096765A JPH11273431A (en) | 1998-03-25 | 1998-03-25 | Reflector material for lighting fixture and reflector for lighting fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1230695A true CN1230695A (en) | 1999-10-06 |
Family
ID=14173741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99105569A Pending CN1230695A (en) | 1998-03-25 | 1999-03-25 | Reflector substrate for illumination device and reflector for illumination device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0947763A3 (en) |
| JP (1) | JPH11273431A (en) |
| CN (1) | CN1230695A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002178395A (en) * | 1998-08-04 | 2002-06-26 | Du Pont Toray Co Ltd | Open type polyimide molded item and its manufacturing method |
| JP4422839B2 (en) * | 2000-01-13 | 2010-02-24 | 東レ・デュポン株式会社 | Method for producing open-type polyimide molded product |
| JP2001201623A (en) * | 2000-01-20 | 2001-07-27 | Fujitsu General Ltd | Illumination light source device |
| US6561679B1 (en) * | 2000-11-20 | 2003-05-13 | Visteon Global Technologies, Inc. | Decorative coating for exterior automotive lighting applications |
| JP2003151328A (en) * | 2001-11-15 | 2003-05-23 | Du Pont Toray Co Ltd | Illumination reflecting device |
| EP1769528A2 (en) | 2004-07-09 | 2007-04-04 | Philips Intellectual Property & Standards GmbH | Method of producing an infrared lamp |
| DE102006045269A1 (en) * | 2005-11-09 | 2007-05-31 | Ems-Chemie Ag | Metallic coated Lichtreflektierbauteile based on thermoplastic molding compositions |
| DE102008039822A1 (en) * | 2008-08-27 | 2010-03-04 | Linden Gmbh & Co. Kg | Shiny chrome part |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3644730A (en) * | 1967-08-29 | 1972-02-22 | Libbey Owens Ford Glass Co | Selective reflectors |
| JPS6010887U (en) | 1983-07-02 | 1985-01-25 | 株式会社ボッシュオートモーティブ システム | receiver tank |
| US4838629A (en) * | 1987-03-30 | 1989-06-13 | Toshiba Electric Equipment Corporation | Reflector |
| JP2555490B2 (en) | 1991-06-28 | 1996-11-20 | ニスカ株式会社 | Automatic document feeder |
| JPH07192503A (en) * | 1993-12-24 | 1995-07-28 | Nippon G Ii Plast Kk | Lamp reflector |
| US5905594A (en) * | 1995-01-06 | 1999-05-18 | W. L. Gore & Associates, Inc. | Light reflectant surface in a recessed cavity substantially surrounding a compact fluorescent lamp |
-
1998
- 1998-03-25 JP JP10096765A patent/JPH11273431A/en active Pending
-
1999
- 1999-03-24 EP EP99302275A patent/EP0947763A3/en not_active Withdrawn
- 1999-03-25 CN CN99105569A patent/CN1230695A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0947763A2 (en) | 1999-10-06 |
| JPH11273431A (en) | 1999-10-08 |
| EP0947763A3 (en) | 2001-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1328746C (en) | Thermally conductive lamp reflector | |
| US20130170044A1 (en) | Method and structure of optical thin film using crystallized nano-porous material | |
| CN1230695A (en) | Reflector substrate for illumination device and reflector for illumination device | |
| EP0727677B1 (en) | Production method of light-reflecting component | |
| US6492031B1 (en) | Reflector substrate for illumination device and reflector for illumination device | |
| JP2020527110A5 (en) | ||
| CN1211498C (en) | Linear film forming method and reflector formed by it | |
| JPH09251806A (en) | Lamp reflecting mirror and manufacture thereof | |
| EP1085035B1 (en) | Reflector substrate for illumination device and reflector for illumination device | |
| US20020141193A1 (en) | Light reflector | |
| JP2003033946A (en) | Manufacturing method and molding die for resin-made part for vehicular lamp | |
| EP3069177A1 (en) | Thin-film coating for improved outdoor led reflectors | |
| JP6161149B2 (en) | Method of manufacturing metal-coated member and vacuum manufacturing apparatus thereof | |
| JP2006164949A (en) | Lighting fixture for automobile or reflector for signal device | |
| JP2001348437A (en) | Film for molding, reflector base material, and reflector for lighting unit using it | |
| JP2003119380A (en) | Flame-retardant molded product, reflector substrate for illuminating equipment and reflector for illuminating equipment | |
| CN101057313A (en) | Compact incandescent lamp with integrated reflector | |
| JP2006261028A (en) | Discharge lamp fixture | |
| CN107461716B (en) | Optical reflector | |
| JPH0765602A (en) | Reflector made of thrmoplastic resin | |
| CN211902725U (en) | Lampshade and lamp | |
| JP2000075112A (en) | Lamp reflector | |
| CN117628436A (en) | Coating structure for coating a reflector for use in a headlight of a motor vehicle | |
| SU371636A1 (en) | LAMP OF THE GRAINING OF THE PRESSED TYPE WITH INTERFERENCE COATING | |
| JP2916963B2 (en) | Reflector made of thermoplastic resin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |