CN207336959U - It is divided projection display equipment - Google Patents
It is divided projection display equipment Download PDFInfo
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- CN207336959U CN207336959U CN201720775915.9U CN201720775915U CN207336959U CN 207336959 U CN207336959 U CN 207336959U CN 201720775915 U CN201720775915 U CN 201720775915U CN 207336959 U CN207336959 U CN 207336959U
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Abstract
The utility model discloses one kind to be divided projection display equipment, and projection display equipment includes Amici prism component, mirror assembly, lens subassembly, upset device assembly, Amici prism controller and screen；Amici prism component includes prism wedge, the first triangular prism, the second triangular prism and the 3rd triangular prism；Polarization beam splitter is scribbled on inclined-plane where two waists of the first triangular prism, polarization beam splitter is used to the light beam that projector projects being divided into the inclined reflected light of line and the inclined transmitted light of line；The inclined reflected light of line through after upset device assembly and Amici prism controller, is squeezed into screen after the reflection of mirror assembly；The inclined transmitted light of line is projected in screen by lens subassembly and Amici prism controller, so as to improve light utilization, eliminate and occur the partially red phenomenon of blanking bar, screen surrounding among screen, improves image quality.
Description
Technical field
It the utility model is related to projection display technique field, more particularly to a kind of light splitting projection display equipment.
Background technology
Nowadays, common 3D shadow casting techniques are directly to be projected image on polarization optical controller using projector, then
Projected by polarizing optical controller in screen, but it is 0 degree of light by so to polarize optical controller only to allow to polarize the number of degrees
The waste of light source is will result in, light utilization efficiency is low, and when be incident upon in screen, blanking bar, screen occurs among screen
The partially red phenomenon of surrounding so that picture quality degradation.
Therefore, exist in the prior art that light utilization efficiency is low and occur that blanking bar, screen surrounding be partially red, picture among screen
The technical problem of degradation.
Utility model content
The main purpose of the utility model is that propose a kind of light splitting projection display equipment, it is intended to which solution is deposited in the prior art
Light utilization efficiency is low and screen among occur that blanking bar, screen surrounding be partially red, technical problem of picture quality degradation.
To achieve the above object, the utility model provides a kind of light splitting projection display equipment, the projection display equipment bag
Include Amici prism component, mirror assembly, lens subassembly, upset device assembly, Amici prism controller and screen；
The Amici prism component includes prism wedge, the first triangular prism, the second triangular prism and the three or three
Angular prism；
Polarization beam splitter is scribbled on inclined-plane where two waists of first triangular prism, the polarization beam splitter is used
It is divided into the inclined reflected light of line and the inclined transmitted light of line in the light beam for projecting projector；
The inclined reflected light of line is after the reflection of the mirror assembly, through the upset device assembly and light splitting rib
After mirror controller, squeeze into the screen；
The inclined transmitted light of line is projected in the screen by the lens subassembly and the Amici prism controller.
Alternatively, first triangular prism is isosceles right triangle, second triangular prism and described the
Three triangular prism sizes are identical, and the prism wedge, the first triangular prism, the second triangular prism and the 3rd triangle
Shape prism forms a rectangle.
Alternatively, the lens subassembly includes convex lens and concavees lens.
Alternatively, the inclined reflected light of the line includes the inclined reflected light of First Line and the inclined reflected light of the second line, the First Line are inclined
Polarization beam splitter of the reflected light on the bevel edge where second triangular prism reflects, and second line reflects partially
Polarization beam splitter of the light on the bevel edge where the 3rd triangular prism reflects.
Alternatively, the mirror assembly includes the first reflective mirror and the second reflective mirror；
First reflective mirror is used to reflect the inclined reflected light of the First Line, and second reflective mirror is used to reflecting described the
The inclined reflected light in two wires.
Alternatively, first reflective mirror can carry out angle rotation with second reflective mirror.
Alternatively, the polarization number of degrees of the inclined transmitted light of the line are 0 degree, and the polarization number of degrees of the inclined reflected light of First Line are 90
Degree, the polarization number of degrees of the inclined reflected light of the second line are 90 degree.
Alternatively, the upset device assembly includes the inclined reflected light turner of First Line and the inclined reflected light turner of the second line；
The inclined reflected light turner of First Line is used to the polarization number of degrees of the inclined reflected light of First Line being converted into 0 from 90 degree
Degree, the inclined reflected light turner of the second line are used to the polarization number of degrees of the inclined reflected light of the second line being converted into 0 degree from 90 degree.
Alternatively, the Amici prism controller is used to the polarization number of degrees being converted into 0 degree of the inclined reflected light of First Line, polarization
The number of degrees are converted into 0 degree of the inclined reflected light of the second line and the inclined transmitted light of line is changed into circularly polarized light.
Alternatively, the distance between the Amici prism component, lens subassembly, Amici prism controller and screen can be with
Adjustment.
The utility model proposes a kind of light splitting projection display equipment, projection display equipment includes Amici prism component, anti-
Light microscopic component, lens subassembly, upset device assembly, Amici prism controller and screen, Amici prism component include prism wedge,
First triangular prism, the second triangular prism and the 3rd triangular prism, where two waists of the first triangular prism
Polarization beam splitter is scribbled on inclined-plane, polarization beam splitter is used to the light beam that projector projects being divided into the inclined reflected light of line and line transmits partially
Light, the inclined reflected light of line through after upset device assembly and Amici prism controller, squeeze into silver after the reflection of mirror assembly
On curtain, the inclined transmitted light of line is projected in screen by lens subassembly and Amici prism controller.Compared with the prior art, this practicality
The light beam that projector projects is divided into multi-beam using the polarization beam splitter on Amici prism component in new embodiment, so as to carry
Bloom line use ratio, and can be eliminated using prism wedge and occur the partially red phenomenon of blanking bar, screen surrounding among screen, improve
Image quality.
Brief description of the drawings
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, drawings in the following description are only
It is some embodiments of the utility model, for those skilled in the art, without creative efforts, also
Other attached drawings can be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram for light splitting projection display equipment that the utility model first embodiment provides.
Embodiment
Purpose of utility model, feature, advantage to enable the utility model is more obvious and understandable, below will knot
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model
In embodiment, those skilled in the art's all other embodiments obtained without making creative work, all
Belong to the scope of the utility model protection.
In order to illustrate the technical solution of the utility model, illustrated below by specific embodiment.
Referring to Fig. 1, the structure that Fig. 1 is a kind of light splitting projection display equipment that the utility model first embodiment provides is shown
It is intended to, projection display equipment includes Amici prism component, mirror assembly, lens subassembly, upset device assembly, Amici prism control
Device (105) and screen (106)；
Amici prism component includes prism wedge (1011), the first triangular prism (1012), the second triangular prism
(1013) and the 3rd triangular prism (1014)；
Polarization beam splitter is scribbled on inclined-plane where two waists of the first triangular prism (1012), polarization beam splitter is used for
The light beam that projector projects is divided into the inclined reflected light of line and the inclined transmitted light of line；
The inclined reflected light of line is after the reflection of mirror assembly, through upset device assembly and Amici prism controller
(105) after, squeeze into screen (106)；
The inclined transmitted light of line is projected in screen (106) by lens subassembly and Amici prism controller (105).
In the utility model embodiment, a bevel edge of prism wedge (1011) and the second triangular prism (1013)
One bevel edge coincides, and another article of bevel edge of prism wedge (1011) is mutually overlapping with one article of bevel edge of the 3rd triangular prism (1014)
Closing, a right-angle side of the first triangular prism (1012) coincides with a bevel edge of the second triangular prism (1013), the
One article of bevel edge of another article of right-angle side and the 3rd triangular prism (1014) of one triangular prism (1012) coincides.
Further, the first triangular prism (1012) is isosceles right triangle, the second triangular prism (1013) with
3rd triangular prism (1014) size is identical, and prism wedge (1011), the first triangular prism (1012), the second triangle
Prism (1013) and the 3rd triangular prism (1014) form a rectangle.
In the utility model embodiment, because the first triangular prism (1012) is isosceles right triangle, then polarization divides
The inclined reflecting light level polarization of line of light film reflection, the inclined transmitted light of line polarize vertically.
Further, lens subassembly includes convex lens (1031) and concavees lens (1032).
In the utility model embodiment, lens subassembly causes light to be controlled, and ensure that the shape and direction of light
Property.
Further, the inclined reflected light of line includes the inclined reflected light of First Line and the inclined reflected light of the second line, the inclined reflected light of First Line
Reflected for the polarization beam splitter on the bevel edge where the second triangular prism (1013), the inclined reflected light of the second line is the 3rd
What the polarization beam splitter on bevel edge where triangular prism (1014) reflected.
Further, mirror assembly includes the first reflective mirror (1021) and the second reflective mirror (1022)；
First reflective mirror (1021) is used to reflect the inclined reflected light of First Line, and the second reflective mirror (1022) is used to reflect the second line
Inclined reflected light.
In the utility model embodiment, the first reflective mirror (1021) can carry out angle rotation with the second reflective mirror (1022)
Turn, the angle of appropriate the first reflective mirror of adjustment (1021) and the angle of the second reflective mirror (1022), can make to reflex to first
The inclined reflected light of First Line of reflective mirror (1021) is projected with the direction of vertical screen (106), makes to reflex to the second reflective mirror
(1022) the inclined reflected light of the second line is projected with the direction of vertical screen (106).
Further, the polarization number of degrees of the inclined transmitted light of line are 0 degree, and the polarization number of degrees of the inclined reflected light of First Line are 90 degree, the
The polarization number of degrees of the inclined reflected light in two wires are 90 degree.
Further, overturning device assembly includes the inclined reflected light turner (1041) of First Line and the inclined reflected light upset of the second line
Device (1042)；
The inclined reflected light turner (1041) of First Line is used to the polarization number of degrees of the inclined reflected light of First Line being converted into 0 from 90 degree
Degree, the inclined reflected light turner (1042) of the second line are used to the polarization number of degrees of the inclined reflected light of the second line being converted into 0 degree from 90 degree.
In the utility model embodiment, the light that Amici prism controller (105) can only allow the polarization number of degrees to be 0 degree leads to
Cross, so needing the inclined reflected light turner (1041) of First Line and the inclined reflected light turner (1042) of the second line, First Line is partially anti-
Penetrate light turner (1041) and the polarization number of degrees of the inclined reflected light of First Line are converted into 0 degree from 90 degree, the inclined reflected light upset of the second line
The polarization number of degrees of the inclined reflected light of second line are converted into 0 degree by device (1042) from 90 degree, then polarize the number of degrees become 0 degree of light can
By Amici prism controller (105), so as to improve the utilization rate of light.
Further, Amici prism controller (105) be used for by polarize the number of degrees be converted into 0 degree the inclined reflected light of First Line,
The polarization number of degrees are converted into 0 degree of the inclined reflected light of the second line and the inclined transmitted light of line is changed into circularly polarized light.
In the utility model embodiment, all light are transformed into circularly polarized light, image quality can be optimized, in screen
On obtain showing uniform picture.
Further, between Amici prism component, lens subassembly, Amici prism controller (105) and screen (106)
Distance can adjust.
In the utility model embodiment, by adjusting Amici prism component, lens subassembly, Amici prism controller
(105) and the distance between screen (106), the optimal incidence angle that can be looked for, by the adjustment to incidence angle, can optimize picture
Face quality, obtains showing uniform picture in screen.
In the utility model embodiment, projection display equipment includes Amici prism component, mirror assembly, lens group
Part, upset device assembly, Amici prism controller (105) and screen (106), Amici prism component include prism wedge
(1011), the first triangular prism (1012), the second triangular prism (1013) and the 3rd triangular prism (1014), first
Polarization beam splitter is scribbled on inclined-plane where two waists of triangular prism (1012), polarization beam splitter is used to project projector
Light beam be divided into the inclined reflected light of line and the inclined transmitted light of line, the inclined reflected light of line is after the reflection of mirror assembly, through turner
After component and Amici prism controller (105), squeeze into screen (106), the inclined transmitted light of line is by lens subassembly and light splitting rib
Mirror controller (105) is projected in screen (106).Compared with the prior art, Amici prism is utilized in the utility model embodiment
The light beam that projector projects is divided into multi-beam by the polarization beam splitter on component, so as to improve light utilization, and utilizes wedge
Shape prism (1011), which can eliminate, there is the partially red phenomenon of blanking bar, screen surrounding among screen, by adjusting Amici prism component,
The distance between lens subassembly, Amici prism controller (105) and screen (106), the optimal incidence angle that can be looked for, by right
The adjustment of incidence angle, can optimize image quality, obtain showing uniform picture in screen.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can pass through it
Its mode is realized.For example, device embodiment described above is only schematical, can have when actually realizing other
Dividing mode.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
It is to a kind of description for being divided projection display equipment provided by the utility model, for the technology of this area above
Personnel, based on the idea of the embodiment of the present invention, there will be changes, comprehensive in specific embodiments and applications
On, this specification content should not be construed as the limitation to the utility model.
Claims (10)
1. one kind light splitting projection display equipment, it is characterised in that the light splitting projection display equipment includes Amici prism component, anti-
Light microscopic component, lens subassembly, upset device assembly, Amici prism controller and screen；
The Amici prism component includes prism wedge, the first triangular prism, the second triangular prism and the 3rd triangle
Prism；
Polarization beam splitter is scribbled on inclined-plane where two waists of first triangular prism, the polarization beam splitter is used for will
The light beam that projector projects is divided into the inclined reflected light of line and the inclined transmitted light of line；
The inclined reflected light of line is after the reflection of the mirror assembly, through the upset device assembly and Amici prism control
After device processed, squeeze into the screen；
The inclined transmitted light of line is projected in the screen by the lens subassembly and the Amici prism controller.
2. light splitting projection display equipment according to claim 1, it is characterised in that first triangular prism is isosceles
Right angled triangle, second triangular prism is identical with the 3rd triangular prism size, and the prism wedge, first
Triangular prism, the second triangular prism and the 3rd triangular prism form a rectangle.
3. light splitting projection display equipment according to claim 1, it is characterised in that the lens subassembly include convex lens and
Concavees lens.
4. the light splitting projection display equipment according to claims 1 to 3 any one, it is characterised in that the line reflects partially
Light includes the inclined reflected light of First Line and the inclined reflected light of the second line, and the inclined reflected light of First Line is the second triangular prism institute
Bevel edge on polarization beam splitter reflect, where the inclined reflected light of the second line is the 3rd triangular prism
What the polarization beam splitter on bevel edge reflected.
5. light splitting projection display equipment according to claim 4, it is characterised in that it is anti-that the mirror assembly includes first
Light microscopic and the second reflective mirror；
First reflective mirror is used to reflect the inclined reflected light of the First Line, and second reflective mirror is used to reflect second line
Inclined reflected light.
6. light splitting projection display equipment according to claim 5, it is characterised in that first reflective mirror and described second
Reflective mirror can carry out angle rotation.
7. light splitting projection display equipment according to claim 4, it is characterised in that the polarization number of degrees of the inclined transmitted light of line
For 0 degree, the polarization number of degrees of the inclined reflected light of First Line are 90 degree, and the polarization number of degrees of the inclined reflected light of the second line are 90 degree.
8. light splitting projection display equipment according to claim 7, it is characterised in that the upset device assembly includes First Line
Inclined reflected light turner and the inclined reflected light turner of the second line；
The inclined reflected light turner of First Line is used to the polarization number of degrees of the inclined reflected light of First Line being converted into 0 degree from 90 degree, institute
The inclined reflected light turner of the second line is stated to be used to the polarization number of degrees of the inclined reflected light of the second line being converted into 0 degree from 90 degree.
9. light splitting projection display equipment according to claim 8, it is characterised in that the Amici prism controller is used for will
Polarization the number of degrees be converted into 0 degree the inclined reflected light of First Line, polarization the number of degrees be converted into 0 degree the inclined reflected light of the second line and line it is partially saturating
Penetrate light and be changed into circularly polarized light.
10. light splitting projection display equipment according to claim 9, it is characterised in that the Amici prism component, lens group
The distance between part, Amici prism controller and screen can adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720775915.9U CN207336959U (en) | 2017-06-29 | 2017-06-29 | It is divided projection display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720775915.9U CN207336959U (en) | 2017-06-29 | 2017-06-29 | It is divided projection display equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207336959U true CN207336959U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720775915.9U Active CN207336959U (en) | 2017-06-29 | 2017-06-29 | It is divided projection display equipment |
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| CN (1) | CN207336959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211638A1 (en) * | 2019-04-19 | 2020-10-22 | 常州华达科捷光电仪器有限公司 | Optical path structure and laser light projector using optical path structure |
-
2017
- 2017-06-29 CN CN201720775915.9U patent/CN207336959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211638A1 (en) * | 2019-04-19 | 2020-10-22 | 常州华达科捷光电仪器有限公司 | Optical path structure and laser light projector using optical path structure |
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