CN104796646B - Laser television screen and laser TV system - Google Patents
Laser television screen and laser TV system Download PDFInfo
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- CN104796646B CN104796646B CN201510090772.3A CN201510090772A CN104796646B CN 104796646 B CN104796646 B CN 104796646B CN 201510090772 A CN201510090772 A CN 201510090772A CN 104796646 B CN104796646 B CN 104796646B
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- laser television
- laser
- television screen
- optical module
- light
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- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 230000008033 biological extinction Effects 0.000 claims description 25
- 230000031700 light absorption Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention discloses laser television screen and laser TV system, wherein, laser television screen includes backboard, blooming piece is provided with the backboard, there are several to be used to the light that laser television main frame projects being reflected to spectators and absorb the optical module of ambient light, the optical module is horizontally installed on the blooming piece on the blooming piece.The present invention on blooming piece by setting several to be used to the light that laser television main frame projects being reflected to spectators and absorbing the optical module of ambient light, the image for sending laser television main frame is projected on laser television screen, by the laser television screen reflection to spectators, and ambient light is then absorbed by optical module, realize the contrast for while brightness of image is improved, improving image.
Description
Technical field
The present invention relates to laser television technology field, more particularly to laser television screen and laser TV system.
Background technology
Laser television is to utilize All-Solid working-laser material, produces the continuous of three kinds of wavelength of red, green, blue and swashs
Light source of the light as color laser TV, pass through television signal control tricolor laser scan image.Its color domain coverage ratio is theoretical
On can be up to more than the 90% of human eye gamut range, this improves one again than the existing color domain coverage ratio of LED television highest 62%
Individual class.
Due to the raising of color domain coverage ratio, whole television image can be not only set to seem more true, have a sense of hierarchy, lead to
Saturating sensation, while the definition of picture can also have lifting by a relatively large margin with the raising of color saturation.Due to using sharp
Backlight of the light as TV, laser television can be done thinner, be adapted to family to use.Laser television also overcome human eye it is long when
Between watch the sense of discomfort caused by fluorescent material caused by iridescent, and human eye is not radiated.
Brightness and contrast due to common projection screen do not reach the standard of domestic TV, good in order to reach
Brightness and good contrast, each manufacturer is using expensive specific screen.This is also lifted while the display effect reached
The high cost of laser television, equally also prevents the popularization of laser television.
Thus prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of laser television screen and laser
Television system, the brightness and contrast of projects images can be improved.
In order to achieve the above object, this invention takes following technical scheme：
A kind of laser television screen, including backboard, blooming piece is provided with the backboard, is had on the blooming piece
Several are used to the light that laser television main frame projects being reflected to spectators and absorb the optical module of ambient light, the light
Module is learned to be horizontally installed on the blooming piece；
The optical module includes being used for the reflecting surface that the light that laser television main frame projects is reflected to spectators, for inhaling
The sticking veneer received the extinction face of ambient light and be adhered on blooming piece, the reflecting surface, extinction face and sticking veneer form triangle
Shape post；
Several optical modules on blooming piece continuous arrangement from top to bottom, connects the sticking veneer of each optical module
An entirety is connected into, and reflecting surface and extinction face are then angled towards spectators, are specially：In two neighboring optical module,
The extinction face of the reflecting surface connection lower optical module of upper strata optical module, connects all optical modules whole as one
Body.
In described laser television screen, the angle of the sticking veneer and horizontal plane is 90 degree, the reflecting surface and level
The angle in face is 40 ~ 70 degree, and the angle of extinction face and horizontal plane is -20 ~ -40 degree.
In described laser television screen, the angle of the reflecting surface and horizontal plane is 60 degree, extinction face and horizontal plane
Angle is -25 degree.
In described laser television screen, there is black light-absorption layer on the extinction face.
A kind of laser TV system, including laser television main frame and laser television screen as described above, the laser electricity
It is projected to depending on the image that main frame is sent on laser television screen, by the laser television screen reflection to spectators.
Compared to prior art, laser television screen and laser TV system provided by the invention, wherein, laser television screen
Curtain sets blooming piece on backboard, sets several light for being used to project in laser television main frame to reflect on blooming piece
It is projected to spectators and the optical module of absorption ambient light, the image for sending laser television main frame on laser television screen,
By the laser television screen reflection to spectators, and ambient light is then absorbed by optical module, realizes and is improving brightness of image
While, improve the contrast of image.
Brief description of the drawings
Fig. 1 is the positive structure schematic of laser television screen provided in an embodiment of the present invention.
Fig. 2 is the side structure schematic diagram of laser television screen provided in an embodiment of the present invention.
Fig. 3 is the structural representation of laser TV system provided in an embodiment of the present invention.
Fig. 4 is the schematic diagram of laser TV system provided in an embodiment of the present invention.
Embodiment
The present invention provides a kind of laser television screen and laser TV system, for make the purpose of the present invention, technical scheme and
Effect is clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that herein
Described specific embodiment only to explain the present invention, is not intended to limit the present invention.
Fig. 1 and Fig. 2 are referred to, wherein, Fig. 1 is that the Facad structure of laser television screen provided in an embodiment of the present invention is illustrated
Figure.Fig. 2 is the side structure schematic diagram of laser television screen provided in an embodiment of the present invention.As depicted in figs. 1 and 2, it is of the invention
The laser television screen that embodiment provides includes backboard 10, and blooming piece 20, the blooming piece are provided with the backboard 10
20 by paste adhesive on backboard 10, and there are several optical modules 30 on blooming piece 20, for by laser television master
The light of machine projection is reflected to spectators and absorbs ambient light.The optical module 30 is horizontally installed on the blooming piece 20
On, i.e., several optical modules 30 are laterally set, and are parallel to each other, and make the direction of its reflected light consistent, it is ensured that image quality effect.
Please continue to refer to Fig. 1 and Fig. 2, the light that the optical module 30 includes being used to project in laser television main frame reflects
To the reflecting surface 301 of spectators, for the extinction face 302 for absorbing ambient light and the sticking veneer 303 being adhered on blooming piece 20, institute
303 triangle post of reflecting surface 301, extinction face 302 and sticking veneer is stated, the reflecting surface 301 of blooming piece 20 is serrated,
And the back side of blooming piece is then bonded with backboard 10.Wherein, the extinction face 302 is located at the top of reflecting surface 301, its side with
Sticking veneer 303 is connected, and opposite side is connected with reflecting surface 301, optical module 30 is absorbed the ambient light above it, and is reflected and be located at
The light of laser television main frame projection below laser television screen, the reflection light are reflexed in spectators 1, as shown in Figure 3.
In the present embodiment, there is black light-absorption layer on the extinction face 302, be mainly used in absorbing the top of extinction face 302
Light above ambient light, such as ceiling, makes this some light be unable to reach in spectators' eye, improves pair of projected picture
Degree of ratio.100% total reflection light material layer is provided with the reflecting surface 301, it is useful to throw incoming image from laser television main frame
Light, its normal to screen is set to reflex in spectators' eye after reaching reflecting surface 301（It is in horizontally to project）, so as to improve
The brightness of projection image.
In order to improve the brightness and contrast of projects images, the angle of the sticking veneer 303 and horizontal plane is 90 degree, described
The angle of reflecting surface 301 and horizontal plane is 40 ~ 70 degree, and the angle of extinction face 302 and horizontal plane is -20 ~ -40 degree.
More excellent, the angle of the reflecting surface 301 and horizontal plane is 60 degree, and extinction face 302 and the angle of horizontal plane are -25
Degree.The present invention can specifically set reflecting surface 301 according to the crevice projection angle of laser television main frame and the size of laser television screen
With the angle in extinction face 302, the true feedback of projection image is allowed, create high contrast also artwork true to nature.
In the present embodiment, several optical modules 30 on the blooming piece 20 continuous arrangement from top to bottom, make each light
The sticking veneer 303 for learning module 30 connects into an entirety（I.e. sticking veneer 303 is integrally formed with blooming piece）, and reflecting surface 301
It is then angled towards spectators with extinction face 302.Specifically, optical module 30 is arranged as：Two neighboring optical module
In 30, the reflecting surface 301 of upper strata optical module 30 connects the extinction face 302 of lower optical module 30, makes all optical modules 30
Connecting turns into an entirety, so that it is guaranteed that the light being projected on each reflecting surface 301 can be reflected away all, Er Qie great
The absorption ambient light of most limit, so as to improve the brightness and contrast of projected picture.
Referring to Fig. 4, the present invention correspondingly provides a kind of laser TV system, it includes laser television main frame and laser electricity
Screen curtain, the image that the laser television main frame is sent are projected on laser television screen, by the laser television screen reflection
To spectators.
Laser television uses ultrashort burnt projection pattern, and transmittance is below 0.3, because its light is to irradiate from bottom to top
, spectators are usually the front of screen, and in order to improve brightness, the present invention projects throw light vertical screen, simultaneously as
Main interference environment is just from the light irradiation of ceiling, so just needing this some light to sponge.In order to improve contrast
Degree, present invention employs the scheme for sponging this component environment light, on the premise of reduction is set as, while has reached raising brightness
And improve the effect of contrast.
As shown in figure 4, laser television main frame is located at the front lower place of laser television screen, by the extinction face of optical module not
Disconnected absorption ambient light, the image of laser television main frame output are projected on the reflecting surface of optical module, made by reflective surface
Light vertically projects with screen, so as to improve the brightness of projection image.The present invention can according to different positions and size,
Each light path is set to different angles.So as to reach optimal effect.
In summary, laser television screen and laser TV system provided by the invention, by being set on blooming piece
Several are used to the light that laser television main frame projects being reflected to spectators and absorb the optical module of ambient light, make laser
The image that TV main frame is sent is projected on laser television screen, by the laser television screen reflection to spectators, and ambient light
Line is then absorbed by optical module, realizes the contrast for while brightness of image is improved, improving image.For user,
The present invention had both improved laser television luminance contrast, and good visual experience is brought to user；Relative to special laser electricity
For screen curtain, the present invention reduces the cost of laser television again, is advantageous to the popularization of laser television.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (5)
1. a kind of laser television screen, it is characterised in that including backboard, blooming piece, the optics are provided with the backboard
There are several to be used to the light that laser television main frame projects being reflected to spectators and absorb the optical mode of ambient light on diaphragm
Block, the optical module are horizontally installed on the blooming piece；
The optical module includes being used for the reflecting surface that the light that laser television main frame projects is reflected to spectators, for absorbing ring
The extinction face of border light and the sticking veneer being adhered on blooming piece, the reflecting surface, extinction face and the triangle post of sticking veneer；
Several optical modules on blooming piece continuous arrangement from top to bottom, connects into the sticking veneer of each optical module
One entirety, and reflecting surface and extinction face are then angled towards spectators, are specially：In two neighboring optical module, upper strata
The extinction face of the reflecting surface connection lower optical module of optical module, connects all optical modules as an entirety.
2. laser television screen according to claim 1, it is characterised in that the angle of the sticking veneer and horizontal plane is 90
Degree, the angle of the reflecting surface and horizontal plane is 40 ~ 70 degree, and the angle of extinction face and horizontal plane is -20 ~ -40 degree.
3. laser television screen according to claim 2, it is characterised in that the angle of the reflecting surface and horizontal plane is 60
The angle of degree, extinction face and horizontal plane is -25 degree.
4. laser television screen according to claim 1, it is characterised in that there is black light-absorption layer on the extinction face.
5. a kind of laser TV system, it is characterised in that including laser television main frame and as described in claim 1-4 any one
Laser television screen, the image that the laser television main frame is sent is projected on laser television screen, by the laser television
Screen reflection is to spectators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090772.3A CN104796646B (en) | 2015-02-28 | 2015-02-28 | Laser television screen and laser TV system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090772.3A CN104796646B (en) | 2015-02-28 | 2015-02-28 | Laser television screen and laser TV system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104796646A CN104796646A (en) | 2015-07-22 |
| CN104796646B true CN104796646B (en) | 2018-03-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510090772.3A Active CN104796646B (en) | 2015-02-28 | 2015-02-28 | Laser television screen and laser TV system |
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| Country | Link |
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| CN (1) | CN104796646B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI649585B (en) * | 2017-01-18 | 2019-02-01 | K Laser Technology Inc. | Optical film structure and manufacturing method thereof, and projection system |
| CN109960102B (en) | 2017-12-14 | 2022-01-04 | 深圳光峰科技股份有限公司 | Projection screen |
| CN109194891B (en) * | 2018-09-11 | 2020-12-01 | 华南师范大学 | Laser television optical engine system based on LED light source and laser television thereof |
| CN112666786A (en) * | 2020-12-02 | 2021-04-16 | 东莞市澳星视听器材有限公司 | Light-resistant screen and manufacturing method thereof |
| CN112764300B (en) * | 2021-03-05 | 2022-03-22 | 深圳市火乐科技发展有限公司 | Optical machine module angle adjusting mechanism and projector |
Citations (7)
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|---|---|---|---|---|
| CN1294317A (en) * | 1999-11-01 | 2001-05-09 | 孙柏林 | Front projection screen |
| CN201408322Y (en) * | 2009-04-14 | 2010-02-17 | 中强光电股份有限公司 | Projection screen |
| JP2012212036A (en) * | 2011-03-31 | 2012-11-01 | Kuraray Co Ltd | Reflective screen |
| JP2012252112A (en) * | 2011-06-01 | 2012-12-20 | Dainippon Printing Co Ltd | Reflection screen and method for manufacturing the same |
| JP2013195914A (en) * | 2012-03-22 | 2013-09-30 | Dainippon Printing Co Ltd | Reflection screen and video display device |
| CN203673215U (en) * | 2014-01-20 | 2014-06-25 | 黄文水 | Black-matrix optical gradually-changing reflection angle super-short focus orthographic projection screen |
| CN104298061A (en) * | 2014-10-13 | 2015-01-21 | 宁波江北激智新材料有限公司 | Projection curtain with high luminance gains and wide view angles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140019608A (en) * | 2012-08-06 | 2014-02-17 | 삼성전자주식회사 | Screen for front projection apparatus and fabricating method thereof |
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- 2015-02-28 CN CN201510090772.3A patent/CN104796646B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294317A (en) * | 1999-11-01 | 2001-05-09 | 孙柏林 | Front projection screen |
| CN201408322Y (en) * | 2009-04-14 | 2010-02-17 | 中强光电股份有限公司 | Projection screen |
| JP2012212036A (en) * | 2011-03-31 | 2012-11-01 | Kuraray Co Ltd | Reflective screen |
| JP2012252112A (en) * | 2011-06-01 | 2012-12-20 | Dainippon Printing Co Ltd | Reflection screen and method for manufacturing the same |
| JP2013195914A (en) * | 2012-03-22 | 2013-09-30 | Dainippon Printing Co Ltd | Reflection screen and video display device |
| CN203673215U (en) * | 2014-01-20 | 2014-06-25 | 黄文水 | Black-matrix optical gradually-changing reflection angle super-short focus orthographic projection screen |
| CN104298061A (en) * | 2014-10-13 | 2015-01-21 | 宁波江北激智新材料有限公司 | Projection curtain with high luminance gains and wide view angles |
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| Publication number | Publication date |
|---|---|
| CN104796646A (en) | 2015-07-22 |
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