CN100533265C - Projecting screen and lens thereof - Google Patents
Projecting screen and lens thereof Download PDFInfo
- Publication number
- CN100533265C CN100533265C CN 200410033459 CN200410033459A CN100533265C CN 100533265 C CN100533265 C CN 100533265C CN 200410033459 CN200410033459 CN 200410033459 CN 200410033459 A CN200410033459 A CN 200410033459A CN 100533265 C CN100533265 C CN 100533265C
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- Prior art keywords
- lens
- glue
- polymer film
- screen
- thin polymer
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Abstract
A screen lens consists of a polymer film and a lens glue line attached on one surface of said film. The polymer film is prepared by material selected out from material group formed by PE_TPA ester, tracetyl cellulose, poly styrene, polypropylene, polyethylene, polyvinyl chloride, polycarbonate and polyurethane. The forming glue of lens glue lens is prepared by glue selected out from material group formed by photosensitive glue, pressuresensitive glue, curing glue by room temperature or by heating, and anaerobic glue.
Description
Technical field
The present invention is about a kind of screen lens, particularly a kind of screen lens that use thin polymer film.
Background technology
Along with the progress of science and technology, common people are also more and more higher to the quality requirements of display, and for example: large scale, high image quality and frivolous etc. is all following emphasis, thus display device also with needs meet aforementioned requirement.The screen lens are an element wherein.
With the Fresnel lens is example, and please refer to Figure 1 and Figure 2, and Fresnel lens 1 comprises the lens glue-line 12 that an acrylic block 11 and has Fresnel pattern.The thickness range of acrylic block 11 is 0.7～3mm.
The manufacture method of lens glue-line 12 is coated on the Fresnel mould 2 with a light binding, and the mode with roll extrusion covers acrylic block 11 on it again, and light binding is coated between Fresnel mould and the acrylic block equably.Light binding can be the ultraviolet optical cement of metering system methyl esters series and carbamate series, and as the ultraviolet light photopolymerization resin of broadening model EXA288 acryl series forever, and employed at the same time smooth initiator is Ciba E-184 (0.5～5%).
Light binding, acrylic block 11 and Fresnel mould 2 are sent in the exposure region together with irradiate light, light binding is solidified to form has the lens glue-line 12 of Fresnel pattern, and make lens glue-line 12 be attached to acrylic block 11.Shine used light and can be a ultraviolet light.
After lens glue-line 12 forms and is attached to acrylic block 11, separate from Fresnel mould 2 together, promptly form Fresnel lens 1.
Please refer to shown in Figure 3ly, can fit tightly with diffuser plate for making Fresnel lens 1, and not produce image distortion and obstacle, general most before diffuser plate is fitted, toasting processing procedure more, or can strengthen the rigidity of acrylic block 11.But the baking processing procedure, and can't guarantee that acrylic block 11 can fit tightly with diffuser plate and not separate.In addition, the rigidity that strengthens acrylic block 11 then causes acrylic block 11 cracked in the roll extrusion or the process of the demoulding easily, reduces and produces yield.In addition, make large-sized Fresnel lens 1 with acrylic block 11, the Heavy Weight of its finished product does not also meet public demand.
As mentioned above, how to provide a kind of can produce frivolous handy and to produce the high again screen lens of yield be one of current important topic in fact.
Summary of the invention
Because above-mentioned problem, purpose of the present invention provides a kind of screen lens that use thin polymer film.
For reaching above-mentioned purpose, the invention provides a kind of screen lens, comprise a thin polymer film and a lens glue-line, the lens glue-line is attached to the one side of thin polymer film.
The material of thin polymer film is by choosing in polyethylene terephthalate, Triafol T, polystyrene, polypropylene, tygon, Polyvinylchloride, the group that polycarbonate and polyurethane constituted; The lens moulding glue of lens glue-line is by choosing in photoresists, pressure-sensing glue, room temperature setting adhesives, heat-curable glue and the group that anaerobic adhesive constituted.
From the above, because in screen lens manufacturing method of the present invention, use thin polymer film, therefore can produce than known technology more frivolous, the better and lower again screen lens of cost of transmittance.
Description of drawings
Fig. 1 is the diagrammatic cross-section of a known Fresnel lens.
Fig. 2 is the known synoptic diagram of Fresnel lens in the roll extrusion overwrite procedure.
Fig. 3 is the known synoptic diagram of Fresnel lens in knockout course.
Fig. 4 is the diagrammatic cross-section according to the Fresnel lens of preferred embodiment of the present invention.
Fig. 5 is the synoptic diagram according to the projection screen side section of preferred embodiment of the present invention.
Symbol description among the figure:
1 Fresnel lens
11 acrylic blocks
12 lens glue-lines
2 Fresnel moulds
3 Fresnel lenses
31 thin polymer films
32 lens glue-lines
4 transparency carriers
5 projection screens
51 transparency carriers
52 Fresnel lenses
521 thin polymer films
522 lens glue-lines
53 diffuser plates
Embodiment
Hereinafter with reference to relevant drawings, the screen lens according to preferred embodiment of the present invention are described, wherein components identical will be illustrated with identical reference marks.
Below for making the present invention be easy to explanation, special is example with the Fresnel lens, and please refer to shown in Figure 4ly, comprises a thin polymer film 31 and a lens glue-line 32 according to the Fresnel lens 3 of preferred embodiment of the present invention.
The thickness range of thin polymer film 31 is 0.05～0.5mm, and the material of thin polymer film 31 is by choosing in polyethylene terephthalate, Triafol T, polystyrene, polypropylene, tygon, Polyvinylchloride, the group that polycarbonate and polyurethane constituted.Use polyethylene terephthalate in embodiments of the present invention.
Lens glue-line 32 is attached to the one side of thin polymer film 31, and the used lens moulding glue of lens glue-line 32 is by choosing in photoresists, pressure-sensing glue, room temperature setting adhesives, heat-curable glue and the group that anaerobic adhesive constituted.Photoresists comprise polymethylmethacrylate, choose in the group that room temperature setting adhesives is made of polyvinyl acetate (PVA) and unsaturated polyester (UP) resin, choose in the group that heat-curable glue then is made of rubber, ethene-vinyl acetate polymkeric substance, epoxy resin and silica gel.Use broadening model EXA953 acryl series ultraviolet light photopolymerization resin forever in embodiments of the present invention, and employed at the same time smooth initiator is Ciba E-184 (0.5～5%).
In practical application, Fresnel lens 3 fits in the strong transparency carrier of a rigidity 4, as glass or acrylic plate etc. with the another side of thin polymer film 31.
Fresnel lens 3 according to the embodiment of the invention is big because of the curvature that its employed thin polymer film 31 has, thus not easily broken in the roll extrusion or the process of the demoulding, thereby can promote the production yield.And because in practical application, Fresnel lens 3 must be with the another side of thin polymer film 31, mode with gum fits tightly in transparency carrier 4, thus can increase with diffuser plate assembling after rigidity, prevent the deformation in the future of screen lens and cause image distortion and obstacle.
In addition, according to the Fresnel lens 3 of the embodiment of the invention, the Fresnel lens that its thickness is more known is thin and weight is lighter, and it is bundled to curl, and reduced volume reduces space shared when transporting, and is easy to transportation again, thereby can reduce the cost in the transportation.
Please refer to shown in Figure 5ly, comprise a transparency carrier 51, a Fresnel lens 52 and a diffuser plate 53 according to the projection screen 5 of preferred embodiment of the present invention.
Fresnel lens 52 is attached to transparency carrier 51, Fresnel lens 52 more comprises a thin polymer film 521 and a lens glue-line 522, the material of thin polymer film 521 is by choosing in polyethylene terephthalate, Triafol T, polystyrene, polypropylene, tygon, Polyvinylchloride, the group that polycarbonate and polyurethane constituted, the lens moulding glue of lens glue-line 522 is by choosing in photoresists, pressure-sensing glue, room temperature setting adhesives, heat-curable glue and the group that anaerobic adhesive constituted, and lens glue-line 522 is attached to the one side of thin polymer film 521.The one side that thin polymer film 521 no lens glue-lines 522 adhere to fits tightly in transparency carrier 51.
Diffuser plate 53 is connected in Fresnel lens 52.
Employed Fresnel lens 52, thin polymer film 521 and lens glue-line 522 in the present embodiment, its material, set-up mode and effect are all identical with mentioned person in the aforementioned Fresnel lens 3, do not repeat them here.
Because as previously mentioned, big according to screen lens of the present invention because of the curvature that its employed thin polymer film has, thus not easily broken in the roll extrusion or the process of the demoulding, thereby can promote the production yield.And in practical application, the screen lens must fit tightly in a transparency carrier with the another side of thin polymer film, thus can increase with diffuser plate assembling after rigidity, prevent the deformation in the future of screen lens and cause image distortion and obstacle.
In addition, according to screen lens of the present invention, the screen lens that its thickness is more known are thin and weight is lighter, and it is bundled to curl, and reduced volume reduces space shared when transporting, and is easy to transportation again, thereby can reduce the cost in the transportation.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the described claim its equivalent modifications of carrying out or change.
Claims (13)
1. screen lens is characterized in that, comprise:
One thin polymer film, the material of this thin polymer film is by choosing in polyethylene terephthalate, Triafol T, polystyrene, polypropylene, tygon, Polyvinylchloride, the group that polycarbonate and polyurethane constituted; And
One lens glue-line, the lens moulding glue of this lens glue-line are by choosing in photoresists, pressure-sensing glue, room temperature setting adhesives, heat-curable glue and the group that anaerobic adhesive constituted, and this lens glue-line is attached to the one side of this thin polymer film.
2. screen lens as claimed in claim 1, wherein these photoresists comprise polymethylmethacrylate.
3. screen lens as claimed in claim 1, wherein choose in the group that this room temperature setting adhesives is made of polyvinyl acetate (PVA) and unsaturated polyester (UP) resin, and choose in the group that this heat-curable glue is made of rubber, ethene-vinyl acetate polymkeric substance, epoxy resin and silica gel.
4. screen lens as claimed in claim 1, wherein the thickness range of this thin polymer film is 0.05～0.5mm.
5. screen lens as claimed in claim 1, wherein the another side of this thin polymer film fits in a transparency carrier.
6. screen lens as claimed in claim 5, wherein this transparency carrier is an acrylic plate or is a glass.
7. a projection screen is characterized in that, comprises:
One transparency carrier; And
One screen lens, it is attached to this transparency carrier, and these screen lens more comprise a thin polymer film and a lens glue-line, the material of this thin polymer film is by choosing in polyethylene terephthalate, Triafol T, polystyrene, polypropylene, tygon, Polyvinylchloride, the group that polycarbonate and polyurethane constituted, the lens moulding glue of this lens glue-line is by choosing in photoresists, pressure-sensing glue, room temperature setting adhesives, heat-curable glue and the group that anaerobic adhesive constituted, and this lens glue-line is attached to the one side of this thin polymer film.
8. projection screen as claimed in claim 7, wherein these photoresists comprise polymethylmethacrylate.
9. projection screen as claimed in claim 7, wherein choose in the group that this room temperature setting adhesives is made of polyvinyl acetate (PVA) and unsaturated polyester (UP) resin, and choose in the group that this heat-curable glue is made of rubber, ethene-vinyl acetate polymkeric substance, epoxy resin and silica gel.
10. projection screen as claimed in claim 7, wherein the thickness range of this thin polymer film is 0.05～0.5mm.
11. projection screen as claimed in claim 7, wherein the another side of this thin polymer film fits in this transparency carrier.
12. projection screen as claimed in claim 7, wherein this transparency carrier is an acrylic plate or is a glass.
13. projection screen as claimed in claim 7 more comprises a diffuser plate, this diffuser plate is connected in this screen lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410033459 CN100533265C (en) | 2004-04-08 | 2004-04-08 | Projecting screen and lens thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410033459 CN100533265C (en) | 2004-04-08 | 2004-04-08 | Projecting screen and lens thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1680871A CN1680871A (en) | 2005-10-12 |
| CN100533265C true CN100533265C (en) | 2009-08-26 |
Family
ID=35067501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410033459 Expired - Fee Related CN100533265C (en) | 2004-04-08 | 2004-04-08 | Projecting screen and lens thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100533265C (en) |
-
2004
- 2004-04-08 CN CN 200410033459 patent/CN100533265C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1680871A (en) | 2005-10-12 |
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| C14 | Grant of patent or utility model | ||
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Owner name: PROBRIGHT TECHNOLOGY, INC. Free format text: FORMER OWNER: JINGDIE SCIENCE +. TECHNOLOGY CO., LTD. Effective date: 20111018 |
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Effective date of registration: 20111018 Address after: The work of the five China Taiwan New Taipei City District five shares five shares of Industrial Zone Six Road No. 53-1 Patentee after: Probright Technology Inc. Address before: Chinese Taiwan Taipei County five shares seven Township five power Road No. 13 Patentee before: Jingdie Science &. Technology Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20120408 |