CN207937747U - Projection arrangement - Google Patents
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- CN207937747U CN207937747U CN201820257923.9U CN201820257923U CN207937747U CN 207937747 U CN207937747 U CN 207937747U CN 201820257923 U CN201820257923 U CN 201820257923U CN 207937747 U CN207937747 U CN 207937747U
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Abstract
A kind of projection arrangement, including：Lighting system, division optical element, at least two light valves and imaging lens.Lighting system is providing the illuminating bundle including the first coloured light and the second coloured light.Division optical element is configured on the transmission path of illuminating bundle, to allow the first coloured light to penetrate, and reflects the second coloured light.At least two light valves are respectively arranged on the transmission path of the first coloured light from division optical element and the second coloured light, and the first coloured light and the second coloured light are converted into the first color image light and the second color image light respectively respectively.The the first color image light received and the second color image light are converted into projected light beam by imaging lens, wherein the first color image light penetrates division optical element to imaging lens, and the second color image light reflexes to imaging lens by division optical element.
Description
Technical field
The utility model relates to a kind of projection arrangement, and in particular to a kind of simple lighting system of framework with
Projection arrangement.
Background technology
The structure of general projection arrangement, such as laser projection, often have opposite plating conditions using at least two panels
Dichronic mirror (dichroic mirror) arrange the light path of different color light, however, these dichronic mirrors of opposite plating conditions
The light beam of projection arrangement can be allowed to consume energy in transmittance process increase, and the volume of such framework has the limitation in reduction, mechanism
Part makes complicated, it is desirable that precision it is also higher, therefore how to improve the project that the above problem is also current projection arrangement research
One of.
" background technology " paragraph is used only to help to understand the utility model content, therefore is taken off in " background technology " paragraph
The content of dew may include the known technology that some do not constitute road known to those skilled in the art.In " background technology " paragraph institute
The content of exposure does not represent the content or the utility model one or more embodiment problem to be solved, in this practicality
It has been readily known to those persons skilled in the art or has recognized before novel application.
Utility model content
The embodiments of the present invention provide a kind of projection arrangement, have the advantages that simple in structure, can reduce structural volume,
And the energy consumption for reducing projection arrangement promotes the light degree and optical efficiency of projection arrangement.
The other objects and advantages of the utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.
It is to reach one of above-mentioned or purpose or other purposes partially or in whole, the embodiment of the utility model proposes a kind of
Projection arrangement, including：Lighting system, division optical element, at least two light valves and imaging lens.Lighting system is providing photograph
Mingguang City's beam, illuminating bundle include the first coloured light and the second coloured light.Division optical element is configured on the transmission path of illuminating bundle,
To allow the first coloured light to penetrate, and reflect the second coloured light.At least two light valves are respectively arranged at from division optical element
On the transmission path of a shade and the second coloured light, and the first coloured light and the second coloured light are converted into the first color shadow respectively respectively
As light and the second color image light.Imaging lens are configured at the first color image light and the second color image from least two light valves
On the transmission path of light, and the first color image light and the second color image light are converted into projected light beam, wherein come from the first color
First color image light of light penetrates division optical element to imaging lens, and the second color image light from the second light beam is by division light
Element reflexes to imaging lens.
Based on above-mentioned, the projection arrangement of the utility model embodiment reduces the quantitative requirement of division optical element, reachable
It to the structure using only monolithic division optical element, therefore simplifies the structure so that mechanism member is easier to design and assemble, and can will throw
Image device volume microminiaturization in addition, need not also use different plated films, therefore can reduce the energy consumption of projection arrangement, be promoted
The light degree and optical efficiency of projection arrangement, and reduce production cost.
For allow the utility model features described above and advantage can be clearer and more comprehensible, special embodiment below, and coordinate appended by
Attached drawing is described in detail below.
Description of the drawings
Fig. 1 is the visual angle schematic diagram according to a kind of projection arrangement of an embodiment of the utility model.
Fig. 2 is to look down schematic diagram according to the projection arrangement of the embodiment of the utility model Fig. 1.
Fig. 3 is the schematic side view according to the projection arrangement of the embodiment of the utility model Fig. 1.
Fig. 4 is the visual angle schematic diagram according to a kind of projection arrangement of an embodiment of the utility model.
Fig. 5 is the schematic side view according to a kind of projection arrangement of an embodiment of the utility model.
Fig. 6 is the schematic side view according to a kind of projection arrangement of an embodiment of the utility model.
Fig. 7 is the wavelength according to a kind of first coloured light optical filter of an embodiment of the utility model to permeability variations
Schematic diagram.
Fig. 8 is the wavelength according to a kind of second coloured light optical filter of an embodiment of the utility model to permeability variations
Schematic diagram.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, in one of following cooperation refer to the attached drawing
In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as：Upper,
Under, it is left and right, front or rear etc., be only the direction with reference to attached drawings.Therefore, the direction term used is for illustrating not to use
To limit the utility model.
Fig. 1 is according to an a kind of visual angle schematic diagram of projection arrangement of an embodiment of the utility model, and Fig. 2 is according to this
The projection arrangement of the embodiment of utility model Fig. 1 looks down schematic diagram, and Fig. 3 is the throwing according to the embodiment of the utility model Fig. 1
The schematic side view of image device.It please refers to Fig.1 to Fig. 3, projection arrangement 100 includes lighting system 110, division optical element 120, extremely
Few two reflecting elements, such as reflecting element M1 and the light valves of reflecting element M2, at least two, such as light valve 130 and light valve 140,
And imaging lens 150.
For lighting system 110 to provide illuminating bundle IL, wherein illuminating bundle IL includes the first color lights R and the second coloured light G.
Division optical element 120 is configured on the transmission path of illuminating bundle IL, after illuminating bundle IL is transferred to division optical element 120, point
Closing light element 120 is to separate the first color lights R in illuminating bundle IL and the light path of the second coloured light G, i.e. division optical element 120
Allow the first color lights R to penetrate, and reflects the second coloured light G, in the present embodiment, illuminating bundle IL can be sodium yellow beam, and the
A shade R can be red beam, the second coloured light G can be green beam, i.e., in yellow light beam include at least red band and
The light beam of green band, the utility model are not intended to limit this.Above-mentioned reflecting element M1 and reflecting element M2 to reflect into
Irradiating light beam is respectively arranged on the transmission path of the first color lights R from division optical element 120 and the second coloured light G, to change the
The direction of transfer of a shade R and the second coloured light G.
Light valve 130 is configured on the transmission path of the first color lights R after being reflected by reflecting element M1, it will reflect after
First color lights R is converted into the first color image light IB1；Light valve 140 is then configured at by the second coloured light G's after reflecting element M2 reflections
On transmission path, and the second color image light IB2 is converted into the second coloured light G after reflecting.
Further include the first prism group 160 and the second prism group in addition, in projection arrangement 100 in the present embodiment
170, there is one or more prism in the first prism group 160 and the second prism group 170, transfer route for controlling light beam or
Light beam is divided.First prism group 160 is configured at the transmission road of the first color lights R between reflecting element M1 and light valve 130
On diameter, the second prism group 170 is configured on the transmission path of the second coloured light G between reflecting element M2 and light valve 140.First color
Light R by after reflecting element M1 reflection from surface S1 (i.e. the first face) into the first prism group 160, and from surface S2 (i.e. the second face)
It leaves the first prism group 160 and is transferred to light valve 130, the first color image light IB1, the first color image light are converted by light valve 130
IB1 enters the first prism group 160 from surface S2 again, and is transferred to after leaving the first prism group 160 from surface S3 (i.e. third face)
Division optical element 120.Second coloured light G is entered the second prism group 170 after reflecting element M2 reflections from surface S4 (i.e. fourth face),
And leave the second prism group 170 from surface S5 (i.e. the 5th face) and be transferred to light valve 140, the second color shadow is converted by light valve 140
The is left as light IB2, the second color image light IB2 enters the second prism group 170 from surface S5 again, and from surface S6 (i.e. the 6th face)
Two prism groups 170 and be transferred to division optical element 120.
Imaging lens 150 are configured at the first color image light IB1 from light valve 130 and the second color from light valve 140
On the transmission path of image light IB2.The the first color image light IB1 converted by the first color lights R penetrate division optical element 120 again and
Be transferred to imaging lens 150, and reflected again by division optical element 120 by the second color image light IB2 of the second light beam G conversions and
Imaging lens 150 are transferred to, the first color image light IB1 of reception and the second color image light IB2 are converted by imaging lens 150
Projected light beam PB, to show projected picture.
In the present embodiment, lighting system 110 and imaging lens 150 are configured at the same side of division optical element 120, and
And first transmission sides of the color image light IB1 and the second color image light IB2 between division optical element 120 and imaging lens 150
To direction of transfer parallel and in contrast to illuminating bundle IL between lighting system 110 and division optical element 120.
The configuration relation between above-mentioned each element and above-mentioned each element will be described in more detail in following paragraphs.
For example, lighting system 110 may include sending out the light-emitting component, light diffusion element or wavelength turn of light beam
Changing device etc..Light-emitting component is, for example, the diode for including light-emitting diode or laser diode chip (Laser Diode, LD)
The matrix that module is either made of more pieces of diode modules, to provide monochromatic light beam, such as blue laser, red swash
Light, system that but not limited to this.Green beam represents its peak wavelength (Peak Wavelength) and falls at 500 nanometers
In the range of wavelengths of (nanometer) to 565 nanometers.Red beam represents its peak wavelength and falls at 625 nanometers to 740 nanometers
In range of wavelengths.Blue light beam represents its peak wavelength and falls in 400 to 470 nanometers of range of wavelengths, and peak wavelength is defined
For the wavelength corresponding to luminous intensity maximum.
Wavelength converter is the long wavelength's commutating optical beam for making short-wavelength beam be converted into relative to short-wavelength beam
Optical element.For example, Wavelength converter can be fluorescent powder wheel (Phosphor Wheel), be arranged on fluorescent powder wheel
There is embedded photoluminescent material (being, for example, fluorescent powder), short-wavelength beam can be received and is generated by luminescence generated by light phenomenon corresponding
Commutating optical beam, but not limited to this system.In one embodiment, when embedded photoluminescent material is the fluorescence that can inspire yellow light beam
When powder and light-emitting component, which provide the shorter blue light beam irradiation of wavelength, can inspire the fluorescent powder of yellow light beam, fluorescent powder can be blue
Color beam excites and at least part of blue light beam is converted into yellow light beam, wherein yellow light beam has yellow spectrum, peak
It is worth wavelength between 535 nanometers to 570 nanometers；When embedded photoluminescent material is that can inspire the fluorescent powder of green beam, turn
It changes light beam and should be green beam relatively.And when having hole (Slot) on fluorescent powder wheel, blue light beam passes through fluorescent powder wheel.Light
Diffused component is to make the optical element of beam spread/scattering by this light diffusion element, e.g. diffusion wheel
The diffuser of (Diffusor Wheel), vibration diffuser, diffuser plate (Diffusion Plate) or other moving parts, this
Utility model is not limited thereto system.
Detailed step and specific implementation mode about lighting system 110 can be by above description and technical fields
Usual knowledge obtains enough teachings, suggestion and implements to illustrate, therefore repeats no more.
Division optical element 120 is the optical element with light splitting and closing light function.In the present embodiment, division optical element
120 be dichronic mirror (Dichroic Mirror, DM), has color separation plated film on surface, with wavelength selectivity, to utilize wave
Long (color) carries out the color separation film of color separation or closing light, system that but not limited to this.In the present embodiment, division optical element 120 is set
It is calculated as that the first color lights R for belonging to red beam can be made to pass through, and reflects the second coloured light G for belonging to green beam, and by the first color
The first color image light IB1 (i.e. red image light) of light R conversions penetrates division optical element 120 again, by the second light beam G conversions
Second color image light IB2 (i.e. green image light) is reflected by division optical element 120 again, so make the first color image light IB1 and
Second color image light IB2 is transferred to imaging lens 150 after 120 closing light of division optical element.However in another embodiment, division
Optical element 120 be designed to can reflection red light beam, and green beam is made to pass through, the utility model does not limit this.
Light valve 130 or light valve 140 refer to digital micromirror elements (Digital Micro-mirror Device, DMD), silicon
Base fluid crystal panel (Liquid-crystal-on-silicon Panel, LCOS Panel) or liquid crystal display panel (Liquid
Crystal Panel, LCD) etc. spatial light modulators any one, in this present embodiment, the quantity of light valve is, for example, 2 (light
Valve 130 and light valve 140), and be digital micromirror elements.Specifically, light valve 130 is to receive the first color lights R, and by the first color
Light R is converted into the first color image light IB1.Second coloured light G is converted into the second color shadow by light valve 140 to receive the second coloured light G
As light IB2.In the present embodiment, the method that the homogeneous beam of reception is converted to image strip by light valve 130 with light valve 140,
Detailed step and embodiment can be obtained enough teachings, suggestion by the common knowledge of technical field and implement to illustrate,
Therefore it repeats no more.
Imaging lens 150 for example include the combination of one or more optical mirror slips with diopter, such as saturating including concave-concave
The various combinations of the on-plane surfaces eyeglass such as mirror, biconvex lens, concave-convex lens, meniscus, planoconvex spotlight and plano-concave lens.One
In embodiment, imaging lens 150 can also include planar wave eyeglass.The utility model to the kenels of imaging lens 150 and its
Type does not limit.Imaging lens 150 are configured at the transmission of above-mentioned first color image light IB1 and the second color image light IB2
On path.In the present embodiment, imaging lens 150 are the first color image light IB1 and the second color image light IB2 to be converted into throwing
Shadow light beam PB, and projected light beam PB is projected on projection medium.Projection medium is, for example, projection screen, projection wall or electronics
Blank etc., the utility model are not limited thereto system.
Fig. 4 is the visual angle schematic diagram according to a kind of projection arrangement of an embodiment of the utility model.Fig. 4 is please referred to,
The projection arrangement 100 ' of the present embodiment is applicable to above-mentioned projection arrangement 100.
In the present embodiment, projection arrangement 100 ' further includes optical integration pillar (Rod) 112 and the first optical mirror slip group 114.Light
Integration rod 112 and 114 priority of the first optical mirror slip group are configured on the transmission path of illuminating bundle IL.Optical integration pillar 112 to
By equalizing light rays, enable by light beam cast out uniformly and accurately, have in the first optical mirror slip group 114 one to multiple
A optical mirror slip, to collimated light beam.Illuminating bundle IL after optical integration pillar 112 and the first optical mirror slip group 114 via can transmit
To division optical element 120.
Please refer to the projection arrangement 100 shown as depicted in FIG. 1 or the projection arrangement 100 ' as depicted in Fig. 4, division optical element
120 can be divided into two adjacent regions, here, division optical element 120 is divided into two parts up and down：From lighting system 110
Illuminating bundle IL can be incident first area BR, and image light (including the first color image from light valve 130 and light valve 140
Light IB1, the second color image light IB2) the incident second area TR of meeting.That is the first of illuminating bundle IL incidences division optical element 120
The light path of the first color lights R and the second coloured light G can separate after the BR of region, and the image light from light valve 130 and light valve 140 is incident
After the second area TR of division optical element 120, the first color image light IB1, the second color image light IB2 by closing light and can be transferred into
As camera lens 150.
In other words, although image light IB1, IB2 and illuminating bundle IL is by with a piece of division optical element 120, being shone
The region penetrated can be staggered.The orientation of first area BR and second area TR, the directions z as shown in Fig. 1 or Fig. 4,
Direction of transfer of the meeting perpendicular to illuminating bundle IL between lighting system 110 and division optical element 120, as shown in Fig. 1 or Fig. 4
The positive x direction shown, also can be perpendicular to the first color image light IB1 and the second color image light IB2 in division optical element 120 and imaging
Direction of transfer between camera lens 150, the negative x-direction as shown in Fig. 1 or Fig. 4.That is the first color image light IB1 and the second color
Direction of transfer (negative x-directions) of the image light IB2 between division optical element 120 and imaging lens 150 is parallel and in contrast to illumination
Direction of transfer (positive x direction) of the light beam IL between lighting system 110 and division optical element 120.
Connect, please refer to Fig.4 shown in, in the present embodiment, reflecting element M1 and reflecting element M2 reflects respectively comes from the
The first color lights R of one region BR is with the second coloured light G to be transferred to light valve by the first prism group 160 and the second prism group 170
130 with light valve 140.The prism group that first prism group 160 is formed with three Amici prisms herein with the second prism group 170 is
Example, but the utility model designs the number of prisms of the first prism group 160 and the second prism group 170, optical path with light splitting
It does not limit.
In the present embodiment, it is configured with second on the light beam transmission path between reflecting element M1 and the first prism group 160
Optical mirror slip group 162 is provided with third optical frames on the light beam transmission path between reflecting element M2 and the second prism group 170
Piece group 172, to the first color lights R and the second coloured light G after collimated reflected respectively.
Same the above embodiments, light valve 130 are respectively arranged at the first prism group 160 and the second prism group 170 with light valve 140
Wherein side, and the first color lights R enter the first prism group 160 incidence surface and the first color image light IB1 leave the first rib
The light-emitting surface of microscope group 160 is different face, similar, and the second coloured light G enters the incidence surface and the second color of the second prism group 170
The light-emitting surface that image light IB2 leaves the second prism group 170 is also different face.
First color image light IB1 and the second color image light IB2 are respectively away from the first prism group 160 and the second prism group 170
The second area TR, the first color image light IB1 of incident division optical element 120 can penetrate the second area TR of division optical element 120
And imaging lens 150 are transferred to, the second color image light IB2 can reflex to imaging lens by the second area TR of division optical element 120
First 150.
In the present embodiment, 110 the provided illuminating bundle IL of lighting system of projection arrangement 100 ' is in addition to including the first color
Further include third coloured light B outside light R and the second coloured light G, herein by taking blue light beam as an example, division optical element 120 allows third coloured light
B is penetrated, therefore the transmission path of the third coloured light B from division optical element 120 can be identical as the first color lights R, however this practicality
Novel to be not limited to this to this, in another embodiment, division optical element 120 can reflect third coloured light B, therefore come from division light
The transmission path of the third coloured light B of element 120 can be identical as the second coloured light G.Wherein, one of light valve 130 and light valve 140
Third coloured light B can be converted into third color image light IB3, therefore, third color image light IB3 can be according to the first color image light
The optical path of one of IB1 and the second color image light IB2 is transferred to imaging lens 150.
First color image light IB1, the second color image light IB2 and third color image light IB3 by the first prism group 160 with
Second prism group 170 and imaging lens 150 form projected light beam PB, to form projected picture on projection medium, in detail
Step and embodiment can be obtained enough teachings, suggestion by the common knowledge of technical field and implement to illustrate, therefore
It repeats no more.
Fig. 5 is the schematic side view according to a kind of projection arrangement of an embodiment of the utility model.Fig. 5 is please referred to, this
The projection arrangement 700 of embodiment is applicable to above-mentioned projection arrangement 100 and projection arrangement 100 '.
Configuration relation between the embodiment and element of projection arrangement 700 is similar to projection arrangement 100 and projection arrangement
100 ', it includes optical integration pillar 112 that main difference, which is projection arrangement 700 not only, further comprises at least two optical filters, optical filter
180 with optical filter 182.Optical filter 180 is configured on the transmission path for the first color lights R for penetrating division optical element 120, and is located at
Between division optical element 120 and light valve 130, and optical filter 182 is configured at the second coloured light G's reflected by division optical element 120
On transmission path, and between division optical element 120 and light valve 140.
Fig. 6 is the schematic side view according to a kind of projection arrangement of an embodiment of the utility model.Fig. 6 is please referred to, this
The projection arrangement 800 of embodiment is applicable to above-mentioned projection arrangement 100, projection arrangement 100 ' or projection arrangement 700.Projection dress
The configuration relation set between 800 embodiment and element is similar to projection arrangement 700, and main difference is, compared to projection
Device 700 equally includes optical filter 180 and optical filter 182, but projection arrangement 800 is no using optical integration pillar 112, but with
Lens array modules 184 replace.Lens array modules 184 are configured on the transmission path of illuminating bundle IL, and illuminating bundle IL
Via being transferred to division optical element 120 after lens array modules 184.Lens array modules 184 are, for example, away form one another by two groups
And the lens array of alignment forms, wherein the crowning of lens array is considered as front, and flat surface is considered as the back side, herein
Alignment is to indicate that the position of the lens unit of two groups of lens arrays is to be in alignment with each other.Light beam passes through lens array modules 184
Light can be made to be evenly distributed.
Fig. 7 is the wavelength according to a kind of first coloured light optical filter of an embodiment of the utility model to permeability variations
Schematic diagram, Fig. 8 are the wavelength according to a kind of second coloured light optical filter of an embodiment of the utility model to permeability variations
Schematic diagram.Please refer to Fig. 7 and Fig. 8, the wavelength of projection arrangement 700 and the optical filter 180 of projection arrangement 800 can to permeability variations
Shown in the penetrance 410 such as Fig. 7, the first color lights R is red beam, and the first color lights R is non-by that can be filtered after optical filter 180
Other coloured light of red light, allow red purer, and third coloured light B is blue light beam, and third coloured light B is by can after optical filter 180
To filter other coloured light of non-blue light, make blue purer, such as the first coloured light optical filter 180 receives wavelength less than 470
The red beam (the first coloured light G) of blue light beam (third coloured light B) and wavelength more than 620 nanometers of rice, which has, absolutely to be penetrated
Rate.The wavelength of optical filter 182 can be shown in the penetrance 510 of Fig. 8 to permeability variations, and the second coloured light G is green beam, the
Dichroscope G makes green purer, such as the filter of the second coloured light by that can filter other coloured light of non-green light after optical filter 180
Mating plate 182 has a hundred percent penetrance for green beam of the wave-length coverage between 500 nanometers to 565 nanometers.Especially say
Bright, the utility model is not intended to limit the allocation position of optical filter 180 and optical filter 182, the embodiment in Fig. 5 and Fig. 6
Only as an example, in other embodiments, optical filter can be only fitted to homogeneous beam (the first color lights R or the second coloured light
G any position on transmission path).The utility model does not simultaneously also limit the color that optical filter 180 and optical filter 182 can filter out
The range of optical band can allow the coloured light of relatively narrow wavelength bands to pass through, so that coloured light is purer.
Projection arrangement 700 and the specific implementation mode of projection arrangement 800 can obtain foot by the explanation of the above embodiments
Enough teaching, suggestion and implementation explanations, therefore repeat no more.
In conclusion a kind of projection arrangement is provided in the example embodiment of the utility model, including：Lighting system, division
Optical element, at least two reflecting elements, at least two light valves and imaging lens.Lighting system is providing illuminating bundle.Point
Closing light element configuration illuminating bundle is divided into the first coloured light and the second coloured light, and permits on the transmission path of illuminating bundle
Perhaps the first coloured light penetrates, and reflects the second coloured light.At least two reflecting elements reflect the first coloured light and the second coloured light respectively.At least
Two light valves respectively to respectively by after reflection the first coloured light and the second coloured light be converted into the first color image light and second respectively
Color image light, and the first color image light and the second color image light are transferred to above-mentioned division optical element, wherein the first color image
Light penetrates division optical element to imaging lens, and the second color image light reflexes to imaging lens by division optical element.Imaging lens
First color image light and the second color image light are converted into projected light beam.Thereby, the projection arrangement of the present embodiment is for division
The quantitative requirement of optical element reduces, and can reach the structure using only monolithic division optical element, does not also need multiple coating films, therefore energy
Enough improving optical efficiency.In addition, the lighting system of the projection arrangement of the present embodiment can be located at the same side with imaging lens, can reduce
The volume of projection arrangement and then the light degree for promoting projection arrangement.
The above, the only preferred embodiment of the utility model are implemented when that cannot limit the utility model with this
Range, i.e., it is all according to simple equivalence changes made by the utility model claims book and specification with modification, all still belong to
In the range of the utility model patent covers.In addition any embodiment or claim of the utility model are not necessary to reach this practicality
Novel disclosed whole purposes or advantage or feature.In addition, abstract part and denomination of invention are intended merely to auxiliary patent document
Retrieval is used, and not is used for limiting the interest field of the utility model.In addition, referred in this specification or claim
The terms such as " first ", " second " are not only to the title of naming element (element) or the different embodiments of difference or range
For the quantitative upper limit of restriction element or lower limit.
Reference numeral
100、100’、700、800：Projection arrangement
110：Lighting system
112：Optical integration pillar
114：First optical mirror slip group
162：Second optical mirror slip group
172：Third optical mirror slip group
120：Division optical element
M1、M2：Reflecting element
130、140：Light valve
150：Imaging lens
160：First prism group
170：Second prism group
180、182：Optical filter
184：Lens array modules
410、510：Penetrance
IL：Illuminating bundle
R：First coloured light
G：Second coloured light
B：Third coloured light
IB1：First color image light
IB2：Second color image light
IB3：Third color image light
PB：Projected light beam
BR：First area
TR：Second area
S1~S6：Surface
x、y、z：Direction
Claims (14)
1. a kind of projection arrangement, which is characterized in that including：Lighting system, division optical element, at least two light valves and imaging lens
Head, wherein
For the lighting system to provide illuminating bundle, the illuminating bundle includes the first coloured light and the second coloured light；
The division optical element is configured on the transmission path of the illuminating bundle, to allow first coloured light to penetrate, and
Reflect second coloured light；
At least two light valves are respectively arranged at first coloured light and second coloured light from the division optical element
Transmission path on, and first coloured light and second coloured light are converted into the first color image light and respectively respectively
Two color image light；And
The imaging lens are configured at the first color image light and the second color image light from least two light valves
Transmission path on, and the first color image light and the second color image light are converted into projected light beam,
Wherein, the first color image light from first coloured light penetrates the division optical element to the imaging lens, and comes
The imaging lens are reflexed to by the division optical element from the second color image light of second coloured light.
2. projection arrangement as described in claim 1, which is characterized in that the projection arrangement further includes at least two reflectors
Part is respectively arranged on the transmission path of first coloured light from the division optical element and second coloured light, to
First coloured light and second coloured light are reflexed at least two light valves respectively.
3. projection arrangement as described in claim 1, which is characterized in that the wherein described first color image light and second color
Direction of transfer of the image light between the division optical element and the imaging lens it is parallel and in contrast to the illuminating bundle in
Direction of transfer between the lighting system and the division optical element.
4. projection arrangement as claimed in claim 3, which is characterized in that the wherein described lighting system and the imaging lens are matched
It is placed in the same side of the division optical element.
5. projection arrangement as described in claim 1, which is characterized in that the wherein described division optical element includes adjacent the firstth area
Domain and second area, the illuminating bundle from the lighting system are incident to firstth area of the division optical element
Domain, the first color image light and the second color image light from least two light valves are incident to the division optical element
The second area.
6. projection arrangement as claimed in claim 5, which is characterized in that the wherein described first area and the second area
Direction of transfer of the orientation perpendicular to the illuminating bundle between the lighting system and the division optical element, described
The orientation of one region and the second area is perpendicular to the first color image light and the second color image
Direction of transfer of the light between the division optical element and the imaging lens.
7. projection arrangement as claimed in claim 5, which is characterized in that the projection arrangement further includes at least two reflectors
Part is respectively arranged on the transmission path of first coloured light from the division optical element and second coloured light, described
At least two reflecting elements reflect first coloured light from the first area and second coloured light to described respectively
Two light valves.
8. projection arrangement as claimed in claim 7, which is characterized in that further include
First prism group is configured on the transmission path of first coloured light and has the first face, the second face and third face,
Wherein, described in first coloured light after being reflected by one of described two reflecting elements enters from first face
First prism group, and it is transferred to one of described two light valves after being left from second face, wherein the first color shadow
Picture light enters first prism group from second face, and the division optical element is transferred to after being left from the third face
The second area；And
Second prism group is configured on the transmission path of second coloured light and has fourth face, the 5th face and the 6th face,
Wherein, by second coloured light after wherein another reflection of at least two reflecting elements from the fourth face into
Enter second prism group, and the wherein another of described two light valves is transferred to after being left from the 5th face, wherein described
Two color image light enter second prism group from the 5th face, and are transferred to the division light after being left from the 6th face
The second area of element.
9. projection arrangement as described in claim 1, which is characterized in that the wherein described illuminating bundle further includes third coloured light.
10. projection arrangement as claimed in claim 9, which is characterized in that the wherein described division optical element is allowing described
Three coloured light penetrates, and the transmission path of the third coloured light from the division optical element is identical as first coloured light.
11. projection arrangement as claimed in claim 9, which is characterized in that the wherein described division optical element is reflecting described
The transmission path of three coloured light, the third coloured light from the division optical element is identical as second coloured light.
12. projection arrangement as described in claim 1, which is characterized in that the lighting system includes：
After optical integration pillar is configured on the transmission path of the illuminating bundle, and the illuminating bundle is via the optical integration pillar
It is transferred to the division optical element.
13. projection arrangement as described in claim 1, which is characterized in that further include：
Two optical filters are respectively arranged on the transmission path of first coloured light and second coloured light, and are located at institute
It states between division optical element and described two light valves.
14. projection arrangement as described in claim 1, which is characterized in that the lighting system includes：
Lens array modules are configured on the transmission path of the illuminating bundle, and the illuminating bundle is via the lens array
The division optical element is transferred to after row module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820257923.9U CN207937747U (en) | 2018-02-14 | 2018-02-14 | Projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820257923.9U CN207937747U (en) | 2018-02-14 | 2018-02-14 | Projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937747U true CN207937747U (en) | 2018-10-02 |
Family
ID=63652915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820257923.9U Withdrawn - After Issue CN207937747U (en) | 2018-02-14 | 2018-02-14 | Projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207937747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3528044A1 (en) * | 2018-02-14 | 2019-08-21 | Coretronic Corporation | Projection device |
| US11796901B2 (en) | 2020-12-18 | 2023-10-24 | Coretronic Corporation | Illumination system and projection device |
-
2018
- 2018-02-14 CN CN201820257923.9U patent/CN207937747U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3528044A1 (en) * | 2018-02-14 | 2019-08-21 | Coretronic Corporation | Projection device |
| CN110161787A (en) * | 2018-02-14 | 2019-08-23 | 中强光电股份有限公司 | Projection arrangement |
| US10642146B2 (en) | 2018-02-14 | 2020-05-05 | Coretronic Corporation | Projection device |
| CN110161787B (en) * | 2018-02-14 | 2021-08-27 | 中强光电股份有限公司 | Projection device |
| US11796901B2 (en) | 2020-12-18 | 2023-10-24 | Coretronic Corporation | Illumination system and projection device |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20181002 Effective date of abandoning: 20210827 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20210827 |