CN2251736Y - Reflecting projection screen for projector object distance expansion device - Google Patents
Reflecting projection screen for projector object distance expansion device Download PDFInfo
- Publication number
- CN2251736Y CN2251736Y CN 95244326 CN95244326U CN2251736Y CN 2251736 Y CN2251736 Y CN 2251736Y CN 95244326 CN95244326 CN 95244326 CN 95244326 U CN95244326 U CN 95244326U CN 2251736 Y CN2251736 Y CN 2251736Y
- Authority
- CN
- China
- Prior art keywords
- projection screen
- expansion device
- object distance
- utility
- model
- 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.)
- Expired - Fee Related
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model provides a reflecting projection screen for a home theater projector object distance expansion device. The utility model is characterized in that the utility model comprises a basal layer which is coated with aluminium or a reflecting layer smeared with lead, and the reflecting layer is adhered with one layer of micro glass bead layer of which the glass refractivity is from 1.55 to 1.65. The reflecting projection screen of the utility model has the advantage of high image brightness, which is completely suitable for being used as a projection screen of a home theater.
Description
The utility model relates to projection screen.Particularly a kind of reflective viewing screen.
The denomination of invention of the applicant's separate case application is " a projector object distance expansion device ", number of patent application is: 95244036.9, the applying date: need a kind of brightness of image height in 950523 the utility model patent, go for the reflective viewing screen that home theater 4-8 people scale is watched.The reflectivity of general projection screen is low, and image is too dark, the brightness of adopting the glass microballoon reflective viewing screen can improve image.The glass microballoon reflective viewing screen is divided into effective scattering angle greater than 30 ° (being the simple glass micro-bead curtain) with less than 7 ° of two types in the known technology, the former is used for Movie House more, go for the occasion that more spectators watch, the ratio of the luminance factor of reflective viewing screen and the luminance factor of diffuse reflection target was less than 2.6: 1, and reflecting brightness is too low.Though the latter's luminance factor can be greater than 4: 1 with the ratio of diffuse reflection target luminance factor, its effective scattering angle is too little, and it is synthetic with directed curtain only to be suitable for doing the photograph background.Above-mentioned two kinds of glass microballoon reflective viewing screens all are unsuitable for doing the screen that family's cinema projection machine object distance expansion device is used.
The purpose of this utility model is a kind of brightness of image height will be provided, be suitable for the reflective projection screen of home theater projector object distance expansion device.
Task of the present utility model is finished as follows.
A kind of projector object distance expansion device reflective viewing screen, comprise basic unit, be plated on the reflection horizon in the described basic unit, be adhesive with one deck soot layer on the described reflection horizon, its characteristics are to be coated with aluminium in the described basic unit or scribble plumbous reflection horizon, are adhesive with the soot layer that one deck glass refraction is 1.55-1.65 on the described reflection horizon.
The utility model projector object distance expansion device can be that glass refraction is 1.60 soot layer with the soot layer of reflective viewing screen.
Projection screen of the present utility model is owing to aluminizer reflection horizon in basic unit or be coated with plumbous reflection horizon, and its reflected light brightness will improve 8% and 5% than the brightness that is coated with the titanium dioxide reflection horizon in the known technology respectively after tested.After gluing one deck glass refraction is the soot layer of 1.55-1.65 on the reflection horizon, effective scattering angle of glass microballoon is between 20 °-30 °, reflected light is concentrated in 20 °-30 ° the coning angle scope, the brightness of the comparable aforementioned simple glass microballon reflective viewing screen of the catoptrical brightness of screen this moment improves 20-50%, its luminance factor can reach 3.5-5 with the ratio of diffuse reflection target luminance factor: 1, and also this effective range of scatter angles can satisfy the needs that 4-8 people's scale in the home theater is watched image fully.Therefore the utility model has reflected light brightness height compared to the prior art, uses advantage with strong points.
Below with reference to the embodiment accompanying drawing structure of the present utility model is described in further detail.
Consult Fig. 1, the utility model projection screen can be on cloth or plastic basic unit 1 aluminizer or be coated with white lead crystal reflection layer 2, the soot layer 3 that gluing one deck glass refraction is 1.55-1.65 on reflection horizon 2 again, best gluing one deck glass refraction is 1.60 soot layer, the brightness of the comparable simple glass microballon of the reflected light brightness reflective viewing screen of reflective viewing screen at this moment improves about 50%, and its luminance factor can reach 5: 1 with the ratio of diffuse reflection target luminance factor.
As long as the utility model projection screen hangs on the wall and can use.
Claims (2)
1. projector object distance expansion device reflective viewing screen, comprise basic unit (1), be plated on the reflection horizon in the described basic unit, be adhesive with one deck soot layer on the described reflection horizon, it is characterized in that being coated with aluminium in the described basic unit or scribble plumbous reflection horizon (2), being adhesive with one deck glass refraction on the described reflection horizon is 1.55---1.65 soot layer (3).
2. projector object distance expansion device reflective viewing screen according to claim 1 is characterized in that being adhesive with on the described reflection horizon one deck glass refraction and is 1.60 soot layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95244326 CN2251736Y (en) | 1995-07-04 | 1995-07-04 | Reflecting projection screen for projector object distance expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95244326 CN2251736Y (en) | 1995-07-04 | 1995-07-04 | Reflecting projection screen for projector object distance expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2251736Y true CN2251736Y (en) | 1997-04-09 |
Family
ID=33884734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95244326 Expired - Fee Related CN2251736Y (en) | 1995-07-04 | 1995-07-04 | Reflecting projection screen for projector object distance expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2251736Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102542A1 (en) * | 2009-03-10 | 2010-09-16 | Liang Jianping | Narrow viewing angle micro-bead projection screen |
| CN104570558A (en) * | 2015-01-26 | 2015-04-29 | 田文胜 | Intelligent laser projection system |
| CN105785706A (en) * | 2016-05-20 | 2016-07-20 | 中山市厚源电子科技有限公司 | A naked-eye 3D imaging device using phantom imaging film |
| CN108299990A (en) * | 2016-09-19 | 2018-07-20 | 苏州黑白画映影视器材有限公司 | Grey microballon projection screen |
| CN109960101A (en) * | 2017-12-25 | 2019-07-02 | 冯超 | a high-definition screen |
-
1995
- 1995-07-04 CN CN 95244326 patent/CN2251736Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102542A1 (en) * | 2009-03-10 | 2010-09-16 | Liang Jianping | Narrow viewing angle micro-bead projection screen |
| CN104570558A (en) * | 2015-01-26 | 2015-04-29 | 田文胜 | Intelligent laser projection system |
| CN105785706A (en) * | 2016-05-20 | 2016-07-20 | 中山市厚源电子科技有限公司 | A naked-eye 3D imaging device using phantom imaging film |
| CN108299990A (en) * | 2016-09-19 | 2018-07-20 | 苏州黑白画映影视器材有限公司 | Grey microballon projection screen |
| CN109960101A (en) * | 2017-12-25 | 2019-07-02 | 冯超 | a high-definition screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |