CN208796005U - The anti-light hard screen of short focus - Google Patents
The anti-light hard screen of short focus Download PDFInfo
- Publication number
- CN208796005U CN208796005U CN201821560999.5U CN201821560999U CN208796005U CN 208796005 U CN208796005 U CN 208796005U CN 201821560999 U CN201821560999 U CN 201821560999U CN 208796005 U CN208796005 U CN 208796005U
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- short focus
- layer
- several
- 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
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model provides a kind of anti-light hard screen of short focus comprising: anti-light layer, light-absorption layer, cellular board and aluminum substrate；The light-receiving surface of anti-light layer has several mirror lens groups, several mirror lens groups transversely equidistantly spaced, any mirror lens group includes: the first lens, second lens and the third lens, second lens are located on a side surface of the first lens, the third lens are located on another side surface of the first lens, the both sides of the face of first lens are provided with protrusion, light-absorption layer is located at the shady face of anti-light layer, several long and narrow holes being arranged towards anti-light layer are offered in light-absorption layer, cellular board includes plate body and several honeycomb holes being isolated from each other for being formed on plate body, aluminum substrate is set to the outside of plate body.The anti-light layer that the utility model is made of setting the first lens, the second lens and the third lens, and by the light-absorption layer of several long and narrow hole formations, the clarity of projection imaging is improved, be conducive to the projector distance for shortening projector.
Description
Technical field
The utility model relates to a kind of screen more particularly to a kind of anti-light hard screens of short focus.
Background technique
Currently, projection screen screen is used in the occasions such as film, office, home theater, convention, for showing figure
The product of picture, video file.Projection screen according to different use requirements, have different specifications and different projections away from
From.However, existing projection screen usually requires that guarantee the clarity being imaged and meets phase between projector and projection screen
To larger distance.In this way, existing projection screen occasion lesser for projector space can not be then applicable in.Therefore, for upper
State problem, it is necessary to propose further solution.
Utility model content
The purpose of this utility model is to provide a kind of anti-light hard screen of short focus, with overcome it is existing in the prior art not
Foot.
To realize above-mentioned purpose of utility model, the utility model provides a kind of anti-light hard screen of short focus comprising: it is anti-light
Layer, light-absorption layer, cellular board and aluminum substrate；
The light-receiving surface of the anti-light layer has several mirror lens groups, between several mirror lens groups are transversely equidistant
Every arrangement, any mirror lens group includes: the first lens, the second lens and the third lens, first lens, second
The section of lens and the third lens is triangle, and second lens are located on a side surface of first lens, institute
It states the third lens to be located on another side surface of first lens, the both sides of the face of first lens are provided with protrusion, institute
The section for stating protrusion is triangle, and the light-absorption layer is located at the shady face of the anti-light layer, offers in the light-absorption layer several
Towards the long and narrow hole of the anti-light layer setting, the cellular board include plate body and be formed on the plate body it is several that
The honeycomb hole of this isolation, the aluminum substrate are set to the outside of the plate body.
The anti-light improvement shielded firmly of short focus as the utility model, the height of first lens are greater than described second thoroughly
The height of mirror, the height of first lens are greater than the height of the third lens.
The anti-light improvement shielded firmly of short focus as the utility model, first lens, the second lens and third are saturating
Mirror is integrally formed.
The anti-light improvement shielded firmly of short focus as the utility model, several long and narrow holes are arranged in the form of an array
Cloth.
The anti-light improvement shielded firmly of short focus as the utility model, the cellular board are aluminum honeycomb panel, the bee
Socket bore hole is straight hole or inclined hole.
The short focus anti-light improvement shielded firmly as the utility model is also provided with the recessed of several bar shapeds on the aluminum substrate
Slot.
The anti-light improvement shielded firmly of short focus as the utility model, the anti-light hard screen of short focus further includes frame, institute
Stating frame is rectangular shaped rim, and the rectangular shaped rim coats the anti-light edge shielded firmly of the short focus completely.
Compared with prior art, the utility model has the beneficial effects that the anti-light hard screen of the short focus of the utility model passes through
The anti-light layer being made of the first lens, the second lens and the third lens, and the suction by several long and narrow hole formations are set
Photosphere improves the clarity of projection imaging, is conducive to the projector distance for shortening projector.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of a layer structure of anti-light hard one specific embodiment of screen of short focus of the utility model.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
As shown in Figure 1, the anti-light hard screen of the short focus of the utility model include: anti-light layer 1, light-absorption layer 2, cellular board 3 and
Aluminum substrate 4.
The anti-light layer 1 for realizing environment light reflection, to drop influence of the low ambient light to projection imaging clarity.Tool
Body, the light-receiving surface of the anti-light layer 1 has several mirror lens groups, and several mirror lens groups are transversely equidistantly spaced
Arrangement.
Wherein, any mirror lens group includes: the first lens 11, the second lens 12 and the third lens 13.It is preferred that
Ground, first lens 11, the second lens 12 and the third lens 13 are integrally formed.
The section of first lens 11, the second lens 12 and the third lens 13 is triangle, second lens
12 are located on a side surface of first lens 11, and the third lens 13 are located at another side surface of first lens 11
On.Preferably, the height of first lens 11 is greater than the height of second lens 12, and the height of first lens 11 is big
In the height of the third lens 13.
To which, first lens 11 can be to the formation reflection with vertical angle incidence, second lens 12 and the
Three lens 13 can then reflect incident environment light above and below, to drop the influence of low ambient light.It is so advantageous
It is projected in projector in the distance of relative close.Further, in order to reflect the environment light from two sides incidence, institute
The both sides of the face for stating the first lens 11 are provided with protrusion, it is preferable that the section of the protrusion is triangle.
The light-absorption layer 2 by the incident light of the anti-light layer 1 for will be absorbed.Specifically, the light-absorption layer 2
Several long and narrow holes being arranged towards the anti-light layer 1 are offered in the shady face of the anti-light layer 1, the light-absorption layer 2.
When being fallen in long and narrow hole to, incident light beam strikes, repeatedly reflects repeatedly wherein, be equivalent to the absorption of light in effect.
Preferably, several long and narrow holes is arranged in the form of an array.
The cellular board 3 forms the anti-light substrate shielded firmly of short focus of the utility model, and specifically, the cellular board 3 wraps
Rubbing board body and several honeycomb holes being isolated from each other being formed on the plate body, the aluminum substrate 4 are set to the plate body
Outside.In one embodiment, the cellular board 3 is aluminum honeycomb panel 3, and the honeycomb hole is for straight hole or tiltedly
Hole.
The aluminum substrate 4 is used to protect cellular board 3, meanwhile, several bar shapeds are also provided on the aluminum substrate 4
The groove 41 of groove 41, several bar shapeds is conducive to distributing for heat.
In addition, the anti-light hard screen of short focus further includes frame 5, the side in order to improve the short focus anti-light intensity shielded firmly
Frame 5 has mounting groove.Preferably, the frame 5 is rectangular shaped rim, described in the rectangular shaped rim is coated completely by its mounting groove
The anti-light edge shielded firmly of short focus.
In conclusion the anti-light hard screen of the short focus of the utility model is by setting by the first lens, the second lens and the
The anti-light layer of three lens composition, and by the light-absorption layer of several long and narrow hole formations, improve the clarity of projection imaging, have
Conducive to the projector distance for shortening projector.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of anti-light hard screen of short focus, which is characterized in that the anti-light hard screen of short focus includes: anti-light layer, light-absorption layer, honeycomb
Plate and aluminum substrate；
The light-receiving surface of the anti-light layer has several mirror lens groups, and several mirror lens groups transversely equidistantly arrange by interval
Column, any mirror lens group includes: the first lens, the second lens and the third lens, first lens, the second lens
And the section of the third lens is triangle, and second lens are located on a side surface of first lens, and described
Three lens are located on another side surface of first lens, and the both sides of the face of first lens are provided with protrusion, described convex
The section risen is triangle, and the light-absorption layer is located at the shady face of the anti-light layer, offers several directions in the light-absorption layer
The long and narrow hole of the anti-light layer setting, the cellular board include plate body and be formed on the plate body it is several each other every
From honeycomb hole, the aluminum substrate is set to the outside of the plate body.
2. the anti-light hard screen of short focus according to claim 1, which is characterized in that the height of first lens is greater than described
The height of second lens, the height of first lens are greater than the height of the third lens.
3. the anti-light hard screen of short focus according to claim 1, which is characterized in that first lens, the second lens and
The third lens are integrally formed.
4. the anti-light hard screen of short focus according to claim 1, which is characterized in that several long and narrow holes are in the form of an array
It arranges.
5. the anti-light hard screen of short focus according to claim 1, which is characterized in that the cellular board is aluminum honeycomb panel, described
Honeycomb hole is straight hole or inclined hole.
6. the anti-light hard screen of short focus according to claim 1, which is characterized in that be also provided with several on the aluminum substrate
The groove of shape.
7. the anti-light hard screen of short focus according to claim 1, which is characterized in that the anti-light hard screen of short focus further includes side
Frame, the frame are rectangular shaped rim, and the rectangular shaped rim coats the anti-light edge shielded firmly of the short focus completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560999.5U CN208796005U (en) | 2018-09-25 | 2018-09-25 | The anti-light hard screen of short focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560999.5U CN208796005U (en) | 2018-09-25 | 2018-09-25 | The anti-light hard screen of short focus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208796005U true CN208796005U (en) | 2019-04-26 |
Family
ID=66210681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821560999.5U Expired - Fee Related CN208796005U (en) | 2018-09-25 | 2018-09-25 | The anti-light hard screen of short focus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208796005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558397A (en) * | 2019-09-10 | 2021-03-26 | 青岛海信激光显示股份有限公司 | Display screen |
-
2018
- 2018-09-25 CN CN201821560999.5U patent/CN208796005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558397A (en) * | 2019-09-10 | 2021-03-26 | 青岛海信激光显示股份有限公司 | Display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105929595B (en) | A kind of Reflective liquid crystal displays mould group and device | |
| CN203337988U (en) | Laser projection light source | |
| CN206060924U (en) | A kind of anti-astigmatism camera module | |
| CN110554557B (en) | Projection screen and projection system | |
| CN208888569U (en) | A kind of novel short focus environment resistant gain of light projection screen | |
| CN110244508A (en) | Screen and optical projection system | |
| US6844969B2 (en) | Front projection type screen | |
| CN208796005U (en) | The anti-light hard screen of short focus | |
| CN208623772U (en) | A kind of explosion-proof video camera | |
| CN109375467A (en) | Ultrashort out-of-focus projection's curtain | |
| CN102033407A (en) | Contrast enhanced orthographic projection screen | |
| CN102012617A (en) | Forward projection screen capable of shielding ambient light and production method thereof | |
| JP2006098463A (en) | Reflection-type screen and display device | |
| CN206627750U (en) | A kind of ultrashort burnt anti-light projection screen and optical projection system | |
| TWM577512U (en) | Short-focus front projection ambient light resist screen | |
| CN208889238U (en) | Display panel and display device | |
| CN106773266A (en) | A kind of reflective liquid-crystal display based on surface plasmons technology | |
| CN105607405B (en) | A kind of projection screen | |
| TWI378314B (en) | Screen of a projecting device | |
| CN109960102A (en) | Projection screen | |
| CN109388014A (en) | Projection screen and optical projection system | |
| US20220005988A1 (en) | Led display screen | |
| CN104885008B (en) | Projection-type image display device | |
| CN110209007A (en) | Reflective anti-light projection screen | |
| CN105824356B (en) | A kind of display screen and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20190925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |