CN100412691C - Light-transmission type light projector screen and manufacture method - Google Patents
Light-transmission type light projector screen and manufacture method Download PDFInfo
- Publication number
- CN100412691C CN100412691C CNB021023190A CN02102319A CN100412691C CN 100412691 C CN100412691 C CN 100412691C CN B021023190 A CNB021023190 A CN B021023190A CN 02102319 A CN02102319 A CN 02102319A CN 100412691 C CN100412691 C CN 100412691C
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- Prior art keywords
- light
- screen
- layer
- transmission type
- carbonic ester
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention relates to a light-transmission type light projector screen and manufacture method, and the objective being to improve the luminosity and sharpness of light-transmission type screen, while to improve the capability of the screen with a combination use with the projector outdoors. The structure of the screen in the invention is an imaging light-transmission type light projector screen for beam permeation, the negative, one face of which is attached with carbonic ester, provided with an non-light transparent coating on the other side, is embossed by the first interception of rays, then a beaded glass layer having the second interception of rays is coated by ejecting on the transparent coating, a solvent layer is coated on a surface of the beaded glass layer.
Description
Technical field
The present invention relates to a kind of light-transmission type light projector screen and manufacture method thereof.This screen has great light transmission capacity on the one hand, the turnover rate that has few screen image on the other hand, thereby keep the vividness of best printing opacity image, improve the performance be limited at the projector of indoor use, with wide silver-colored printing opacity screen the outdoor light of appreciating light and with the image of distinctness.
Background technology
Existing rear projection screen major part is waste silk and coats processing on glass or acryl (propylene) plate, and applies paint for imaging a little.
Therefore, be that 100GAIN (is 100GAIN at specularly reflected jiong light luminance generally for example from the luminous light amount of projector lamp, the light luminance of 1GAIN for reflecting on blank sheet of paper), the light luminance that in fact shines image does not reach the highest 20GAIN, and (the maximum luminosity of present reflectivity screen is 20GAIN.)
If increase the light transmission capacity of light, the turnover rate of image also can increase, therefore, though the bright unsharp problem of image that exists of light.
Adopt the rear projection screen made from white cloth especially,, only be suitable in the dark indoor use of light with reducing the brightness (usually below 3GAIN) of vividness and light significantly.
Especially outdoor when this screen is set, regardless of luminosity or vividness,, expose high wind in the rain or when being subjected to the light direct projection because of the characteristic of screen material, have unavoidably and tear or possibility that bending etc. destroys, therefore be restricted or be merely able in indoor use in outdoor application.
As a result,, and do not reach the vividness of reflection type screen, can only show 30% color capabilities, so restriction is used in the dark place of light because of existing rear projection screen major part is a end luminosity below the 20GAIN.Carry out the investigative technique exploitation for overcoming this problem at home and abroad.
Summary of the invention
For addressing the above problem, the invention provides a kind of rear projection screen and manufacture method, the luminosity and the vividness of light-transmission type projector screen have been improved epoch-makingly, having improved can be in the performance of the outdoor realization projector, make the projector that mainly uses to expand outdoor application at indoor (office, the meeting room that light is dark etc.).
Above-mentioned purpose of the present invention is to preserve the light amount that penetrates from the projector, on screen during imaging, turnover rate does not have 1%, and one side is showed high luminosity and vividness on screen, have the screen viewing angle that surpasses existing 40 degree simultaneously, can on the visual angle more than 60 degree, show the luminosity more than 3 times of existing screen.In order to reach purpose of the present invention, adopt solid and durable material, and for the protection screen adds carbonic ester (hereinafter to be referred as PC), so that surface and plane rear projection screen and manufacture method thereof to be provided.
For realizing order of the present invention and eliminating the shortcoming of prior art, see through and the light-transmission type projector screen of imaging for light, the light refraction effect first time with the projector is carried out relief sculpture treatment to egative film, the one side of this egative film is attached with carbonic ester (polycarbonate), the opposite side of this carbonic ester is stained with the unglazed clear dope layer of interpolation, on this clear dope layer, spray coating again and have the glass bead layer of light refraction effect for the second time, coat solvent layer on the glass bead layer surface.The invention is characterized in; at the peripheral part in the place ahead of the glass bead layer of described rear projection screen with the filling of silicon materials to separate certain interval; add again and be used to protect the carbonic ester layer of screen to form a vacuum layer with the described space segment that separates; use the stainless steel framework to wrap up after peripheral part of each layer screen, link fixing again with screw.
Described glass bead layer about about 1/3 is coated on the unglazed clear dope layer.
The egative film thickness of described relief sculpture treatment is 0.1mm～1mm, and described carbonic ester thickness is 3mm-10mm, and the thickness of described unglazed clear dope adhesive coating is 0.1mm-1mm, and the described size that is coated with the beaded glass of solvent layer is 75-105 μ m.
Described to be used to protect the thickness of the carbonic ester layer of screen be 3mm～10mm, and the thickness of described air layer is 3mm～10mm.
Described light-transmission type projector screen be shaped as dull and stereotyped and round-shaped one of them.
Manufacture method according to rear projection screen of the present invention is as follows.
In the phase one, on carbonic ester, adhere to egative film; In subordinate phase, spray special coating at the reverse side that adheres to egative film; In the phase III, on special coating, spray beaded glass; In the quadravalence section, ejection of solvent on beaded glass (coating of dilution) is with clad surface.
When if described screen is used for outdoor the setting,, also be included in the stage of on screen, adding carbonic ester and the dead level that comes true is handled at an interval again after the described quadravalence section in order to protect the surface of screen.
Description of drawings
Fig. 1 is the sketch map according to the inscape of light-transmission type projector screen of the present invention;
Fig. 2 is the synoptic diagram of light light transmission state of the light-transmission type projector screen of prior art;
Fig. 3 is the pie graph according to the light light transmission state of light-transmission type projector screen of the present invention;
Fig. 4 is the precedence diagram according to the manufacture method of light-transmission type projector screen of the present invention;
Fig. 5 is the comparison sheet of the Gao Guangtu of the present invention and existing goods;
Fig. 6 is the enlarged drawing according to the surface treatment state of light-transmission type projector screen of the present invention;
Fig. 7 is the sectional view according to light-transmission type projector screen of the present invention angle bound fraction;
Fig. 8 is the application synoptic diagram that applies the present invention to outdoor roof billboard.
The embodiment explanation
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is the sketch map according to rear projection screen inscape of the present invention, and the one side of rear projection screen of the present invention (MP plate) is used to receive projector light, and another side is used for according to the projector and show image.
That is, the one side of screen is a printing opacity light, and another side is for receiving the image that this light shows.
The basic material of projection plate is the dull and stereotyped or round PC of the high grade of transparency, shock-resistant, heat-resisting, low temperature resistance, and thickness is 3～10mm.
(intensity: (more than 100 times of acryl (propylene)), can be in outdoor durable use).
For keeping certain scattering angle, the one side of dull and stereotyped carbonic ester (by the part of light) the special egative film of adhering, this egative film interdicts the irrelevant light with projection image first.
By the projection image of egative film, carry out refraction for the first time with the angle more roomy than the light angle of launching from the projector, the projection image after the refraction, the above light of minimum 30～50GAIN arrives the carbonic ester face of another side together.
Arrive the projection image of carbonic ester imaging surface,,, the refraction reflection angle is brought up to maximum 80 degree and imaging by the beaded glass of surface particle 75～105 μ m (MESH) through special coating.
Beaded glass is bonded at the carbonic ester surface with special clear dope, and the shed outside of coating of the beaded glass of about 2/3 adhesion is as the visual angle raising effect of projection image.
The beaded glass that sprays has the image formation by rays that does not make projection with running off, and the luminous light of lamp is kept under the situation of 100% color, and projection image is minimum more than 30GAIN.
This effect of beaded glass is for transparent round particle, and light contacts after the one side of particle, and the angle of light sheds with reflecting as the ribs of a fan.
Protection carbonic ester (PC layer) 3mm～10mm in exterior angle in the said structure; air layer is 3mm～10mm, and the glass bead layer that solvent coats is 75-105 μ m, and the clear dope adhesive coating is 0.1mm～1mm; screen carbonic ester layer 3mm～10mm, the egative film thickness of relief sculpture treatment is 0.1～1mm.
Effect of the present invention below is described.
Fig. 2 is the light light transmission state ground synoptic diagram of prior art ground rear projection screen, and Fig. 3 is the pie graph according to the light light transmission state of rear projection screen of the present invention.As shown in Figure 2, the screen of prior art is because of the blocking of light, the most projection image of running off, and, in fact be difficult to surpass the visual angles of 60 degree from the visual angle that projector lamp directly transmits refraction.And according to transmission-type screen of the present invention (MP plate), as shown in Figure 3, when having the egative film (1) of light refraction effect for the first time, unwanted light and the image that is transferred to carbonic ester are separated, when projection image's arrival of significantly refraction reflection has the beaded glass of second refraction action, again with the angle multiple reflections refraction of about 80 degree, show the above light of 100% lively color and 30GAIN, the minimum harsh image of (contrast of waste silk screen) more than 30 times.
Fig. 4 is the precedence diagram according to the manufacture method of rear projection screen of the present invention, at first in the one side of dull and stereotyped or round carbon ester acid, adheres to the egative film that is used for relief sculpture treatment, sprays equably on reverse side and adds the unglazed clear dope that adhesion is arranged.
Before this unglazed clear dope solidifies, spray beaded glass on whole of carbon ester acid, about about 3/1 spread upon on the coating.Beaded glass is adhered and after solidifying, is sprayed the transparent solvent (coating of dilution) of dilution on the beaded glass surface, promptly coats and handles.
Finish the manufacturing of screen with above-mentioned process; consider outdoor setting and the surface of need protection screen; the carbon ester of one 3～10mm thickness acid material is isolated 3～10mm ground has the one side of beaded glass attached to injection, and for minimizing heat conduction improves intensity, the spatial manipulation of 3～10mm is a vacuum layer.
Be that manufacture method of the present invention is, in the acid of carbon ester, adhere to egative film in the phase one, adhering to the reverse side of egative film (carbonic ester face) injection special coating in subordinate phase, on special coating, spray beaded glass in the phase III, the quadravalence section on beaded glass with solvent (coating of dilution) clad surface.When outdoor the setting, protect the vacuum layer on surface to handle, altogether through five production phases.
Fig. 5 is the high luminosity comparison sheet about the goods of the present invention and prior art, basically, blocking projection image and imaging method with directly to see through egative film and beaded glass and to make light simultaneously and the maximized MP plate of image, big difference is arranged on its luminosity.
Only show 1GAIN to the luminosity below the 3GAIN with the rear projection screen of white cloth making or the reflection type screen of waste silk mode, but this MP plate shows the above brightness of minimum 30GAIN, indoor and outdoor can be used.
Fig. 6 is the enlarged drawing about rear projection screen surface treatment state according to the present invention; Fig. 7 is the sectional view according to rear projection screen of the present invention bight bound fraction; on the beaded glass that evenly sprays; the state and the spatial manipulation about about 3～10mm of thin clad surface are the state of vacuum layer, and be surperficial with the carbon ester acid protection of about 3～10mm in the above.
Below describe in detail; beaded glass the place ahead peripheral part of rear projection screen adheres to silicon materials and loads; after separating certain interval; add again and be used to protect the carbonic ester layer of screen to form a vacuum layer with the described space segment that separates; use the stainless steel framework to wrap up after peripheral part of each layer screen, link fixing again with screw.When blocking high wind rain without and being subjected to the light direct projection, can improve cold-resistant and heat resistance, so be used for the electronic billboard in roof.
In vacuum layer, beaded glass receives the light of projector lamp, adds the performance as self-lighting especially, and large-scale more (more than 200 inches) screen shows brighter luminosity more.
The synoptic diagram that Fig. 8 implements for the roof billboard that the present invention uses.According to the form of mansion, dull and stereotyped or round screen are set, on the roof from the projector projection image at the screen back side.
Therefore, rear projection screen of the present invention (MP plate) with compare at the outdoor rear projection screen that can't use, have the performance of above-mentioned improvement, guarantee to have the superior technology that can use at the ultra-large type video screen on roof; Comparing with onesize electronic billboard on the price, only is 1/10～20 price, as seen has the purposes of the propaganda of outdoor advertising widely with screen.
The invention is not restricted to above-mentioned specific example, within the scope of the claims, those of ordinary skill in the art can make amendment to main points of the present invention and technology, and it belongs to the scope that claim is put down in writing equally.
Above-mentioned rear projection screen of the present invention is compared with the rear projection screen of prior art, and epoch-making improvement is all arranged on luminosity and vividness and on the visual angle, is convenient in outdoor application, especially, adopts up-to-date method for making.
Therefore, maximum efficiency of the present invention has been to surmount the projector and has been mainly used in indoor notion, with rear projection screen, can appreciate the image of the projector outdoor, so help the active of market.
And, reach fully from the inside to the requirement of outside performance image by beaded glass.
As shown in Figure 9, owing to be provided with and the convenience of maintenance, not only can replace the electronic billboard in roof of maintenance cost costliness, and can produce in a large number and mass selling, its significant trade benefit is to expect fully.
Especially, when being applied in goods of the present invention, no matter whether by day, no matter be direct projection light or indirect light with the projector of lamp brightness 4000 ANSI and so on, all can appreciate the image of the projector.
Claims (6)
1. one kind sees through and the light-transmission type projector screen of imaging for light; it is characterized in that; the light refraction effect first time with the projector is carried out relief sculpture treatment to egative film; the one side of this egative film is attached with carbonic ester; the opposite side of this carbonic ester is stained with the unglazed clear dope layer of interpolation; on this clear dope layer, spray again to apply and have the glass bead layer of light refraction effect for the second time; coat solvent layer on the glass bead layer surface; at the peripheral part in the place ahead of the glass bead layer of described rear projection screen with the filling of silicon materials to separate certain interval; add again and be used to protect the carbonic ester layer of screen to form a vacuum layer with the described space segment that separates; use the stainless steel framework to wrap up after peripheral part of each layer screen, link fixing again with screw.
2. according to the described light-transmission type projector screen of claim 1, it is characterized in that 1/3 glass bead layer is coated on the described unglazed clear dope layer.
3. according to the described light-transmission type projector screen of claim 1, it is characterized in that the egative film thickness of described relief sculpture treatment is 0.1mm-1mm, the described size that is coated with the beaded glass of solvent layer is 75-105 μ m.
4. according to the described light-transmission type projector screen of claim 1, it is characterized in that described to be used to protect the thickness of the carbonic ester layer of screen be 3mm-10mm, the thickness of described vacuum layer is 3mm-10mm.
5. according to claim 1 or 2 described light-transmission type projector screens, it is characterized in that, described light-transmission type projector screen be shaped as dull and stereotyped and round-shaped one of them.
6. method that is used to make the light-transmission type projector screen comprises:
In the phase one, on carbonic ester, adhere to egative film;
In subordinate phase, spray specific coatings at the reverse side that adheres to egative film;
In the phase III, on specific coatings, spray beaded glass;
In the quadravalence section, ejection of solvent is with clad surface on beaded glass.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR66328/01 | 2001-10-26 | ||
| KR66328/2001 | 2001-10-26 | ||
| KR10-2001-0066328A KR100450344B1 (en) | 2001-10-26 | 2001-10-26 | Light projected screen board and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1414426A CN1414426A (en) | 2003-04-30 |
| CN100412691C true CN100412691C (en) | 2008-08-20 |
Family
ID=19715415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021023190A Expired - Fee Related CN100412691C (en) | 2001-10-26 | 2002-01-18 | Light-transmission type light projector screen and manufacture method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100450344B1 (en) |
| CN (1) | CN100412691C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977791B (en) * | 2015-05-22 | 2017-01-18 | 上海理鑫光学科技有限公司 | Low-cost projection display system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274254A (en) * | 1996-04-08 | 1997-10-21 | Izumi Kk | Projection screen |
| JPH1152106A (en) * | 1997-08-01 | 1999-02-26 | Sony Corp | Flat lens, its production and back-projection type projector screen |
| CN1216123A (en) * | 1997-01-20 | 1999-05-05 | 大日本印刷株式会社 | Rear projection screen |
| JPH11305388A (en) * | 1998-04-21 | 1999-11-05 | Fuji Photo Film Co Ltd | Photosensitive heat developable image forming material |
| US6096159A (en) * | 1997-09-12 | 2000-08-01 | Sony Corporation | Method of manufacturing plano lens |
| JP2000258611A (en) * | 1999-01-01 | 2000-09-22 | Mitsubishi Rayon Co Ltd | Light diffusion plate for projection screen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722736A (en) * | 1980-07-17 | 1982-02-05 | Terumo Corp | Cycle measuring system |
| JP2891705B2 (en) * | 1987-12-18 | 1999-05-17 | 大日本印刷株式会社 | Lenticular lens sheet for transmission screen and method of manufacturing the same |
| WO1992022009A1 (en) * | 1991-06-03 | 1992-12-10 | Dai Nippon Printing Co., Ltd. | Reflection type projection screen, method of manufacturing same and system for manufacturing same |
| JPH0675303A (en) * | 1992-08-26 | 1994-03-18 | Toppan Printing Co Ltd | Reflection-type screen having recurrent reflection property |
| JPH0682919A (en) * | 1992-09-07 | 1994-03-25 | Toshiba Corp | Screen device for back projection system |
| JP3707197B2 (en) * | 1996-05-30 | 2005-10-19 | ソニー株式会社 | Rear projection image display device |
-
2001
- 2001-10-26 KR KR10-2001-0066328A patent/KR100450344B1/en not_active IP Right Cessation
-
2002
- 2002-01-18 CN CNB021023190A patent/CN100412691C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274254A (en) * | 1996-04-08 | 1997-10-21 | Izumi Kk | Projection screen |
| CN1216123A (en) * | 1997-01-20 | 1999-05-05 | 大日本印刷株式会社 | Rear projection screen |
| JPH1152106A (en) * | 1997-08-01 | 1999-02-26 | Sony Corp | Flat lens, its production and back-projection type projector screen |
| US6096159A (en) * | 1997-09-12 | 2000-08-01 | Sony Corporation | Method of manufacturing plano lens |
| JPH11305388A (en) * | 1998-04-21 | 1999-11-05 | Fuji Photo Film Co Ltd | Photosensitive heat developable image forming material |
| JP2000258611A (en) * | 1999-01-01 | 2000-09-22 | Mitsubishi Rayon Co Ltd | Light diffusion plate for projection screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1414426A (en) | 2003-04-30 |
| KR100450344B1 (en) | 2004-10-01 |
| KR20030034657A (en) | 2003-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: YANTAI TENGXIANG PROJECTING SCREEN CO., LTD. Free format text: FORMER OWNER: ZHENDAO SCIENCE CO., LTD. Owner name: LIN SHENGBO Free format text: FORMER OWNER: LI JIANXIONG Effective date: 20040702 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20040702 Address after: 264003, No. 11, South Square, Sheng Industrial Park, Laishan District, Yantai, Shandong, China Applicant after: Yantai Tengxiang Projection Screen Co., Ltd. Co-applicant after: Lin Shengbo Address before: Kwangju, Korea Applicant before: Chimdoh Science & Technology Co., Ltd. Co-applicant before: Li Jianxiong |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |