CN207851427U - Projection arrangement and bare engine module - Google Patents
Projection arrangement and bare engine module Download PDFInfo
- Publication number
- CN207851427U CN207851427U CN201820183655.0U CN201820183655U CN207851427U CN 207851427 U CN207851427 U CN 207851427U CN 201820183655 U CN201820183655 U CN 201820183655U CN 207851427 U CN207851427 U CN 207851427U
- Authority
- CN
- China
- Prior art keywords
- light
- light valve
- closing
- color beam
- image strip
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
- G03B33/10—Simultaneous recording or projection
- G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
- H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
A kind of projection arrangement and its bare engine module, bare engine module include the first recombination dichroic elements, the first light valve, the second light valve, closing light element, the first collective optics, the second collective optics, the first smooth guide element and the second smooth guide element.Illuminating bundle is divided into the first color beam and the second color beam by the first recombination dichroic elements.First color beam is converted into the first image strip by the first light valve.Second color beam is converted into the second image strip by the second light valve.Closing light element configuration is on the transmission path of the first image strip and the second image strip.First collective optics are configured between the first light valve and closing light element.Second collective optics are configured between the second light valve and closing light element.First color beam is directed to the first light valve by the first smooth guide element.Second color beam is directed to the second light valve by the second smooth guide element.Projection arrangement and its bare engine module take into account projection brightness and production cost.
Description
Technical field
The utility model relates to a kind of display device, and in particular to a kind of projection arrangement and its ray machine mould
Block.
Background technology
Light source type used in projection arrangement is as market is to projection arrangement brightness, color saturation, service life, nothing
Poison ring protect etc. require, from ultrahigh pressure mercury lamp (UHP lamp), light-emitting diode (light emitting diode, LED) into
Change to laser diode (laser diode, LD).
In high-brightness projection field, single digital micromirror elements (digital micromirror device, DMD) are thrown
The brightness of shadow system is more difficult to meet demand.In addition, the expensive price of digital micromirror elements, leads to the competitiveness of integral product not
It is good.
This " background technology " paragraph is used only to help to understand the utility model content, therefore is taken off in " background technology "
The content of dew may include the known technology that some do not constitute road known to those skilled in the art.In addition, in " background technology "
In disclosed content do not represent the content or the utility model one or more embodiment problem to be solved, also not
Representative has been readily known to those persons skilled in the art or has recognized before the present utility model application.
Utility model content
The utility model provides a kind of projection arrangement, to take into account projection brightness and production cost.
The utility model provides a kind of bare engine module, to take into account projection brightness and production cost.
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.
Be to reach one of above-mentioned or partly or entirely purpose or other purposes, one embodiment of the utility model provided one
Kind projection arrangement includes light source module, bare engine module and projection lens.Light source module is for providing illuminating bundle.Bare engine module
Including the first recombination dichroic elements (dichroic element), the first light valve, the second light valve, closing light element, the first collective optics,
Two collective optics, the first smooth guide element and the second smooth guide element.First recombination dichroic elements are configured at the transmission of illuminating bundle
On path, and for illuminating bundle to be divided into the first color beam and the second color beam.First color beam is used for across the first color separation
Element, the second color beam are used to be reflected by the first recombination dichroic elements.First light valve is configured on the transmission path of the first color beam, and
For the first color beam to be converted into the first image strip.Second light valve is configured on the transmission path of the second color beam, and is used
In the second color beam is converted into the second image strip.Closing light element configuration in come from the first image strip of the first light valve with
Come from the transmission path of the second image strip of the second light valve.First collective optics are configured at the first light valve and closing light element
Between.Second collective optics are configured between the second light valve and closing light element.First light guide draws element configuration in the first color separation member
Between part, the first light valve and closing light element, and for the first color beam to be directed to the first light valve.Second light guide draws element configuration
Between the first recombination dichroic elements, the second light valve and closing light element, and for the second color beam to be directed to the second light valve.Projection lens
Head is configured on the transmission path of the first image strip and the second image strip that come from closing light element.Closing light element configuration in
Between projection lens, the first light valve and the second light valve, closing light element configuration is in projection lens, the first collective optics and the second optically focused
Between element, and closing light element configuration is between projection lens, the first smooth guide element and the second smooth guide element.
Be to reach one of above-mentioned or partly or entirely purpose or other purposes, one embodiment of the utility model provided one
Kind bare engine module includes the first recombination dichroic elements, the first light valve, the second light valve, closing light element, the first collective optics, the second optically focused member
Part, the first smooth guide element and the second smooth guide element.First recombination dichroic elements are used to illuminating bundle being divided into the first color beam
And second color beam.First color beam is used for across the first recombination dichroic elements, and the second color beam is used to be reflected by the first recombination dichroic elements.
First light valve is configured on the transmission path of the first color beam, and for the first color beam to be converted into the first image strip.The
Two light valves are configured on the transmission path of the second color beam, and for the second color beam to be converted into the second image strip.Closing light
Element configuration is in the transmission road of the first image strip for coming from the first light valve and the second image strip for coming from the second light valve
On diameter.First collective optics are configured between the first light valve and closing light element.Second collective optics are configured at the second light valve and close
Between optical element.First light guide draws element configuration between the first recombination dichroic elements, the first light valve and closing light element, and for by the
Light beam of the same colour is directed to the first light valve.Second light guide draw element configuration in the first recombination dichroic elements, the second light valve and closing light element it
Between, and for the second color beam to be directed to the second light valve.
The bare engine module of the utility model embodiment is because of the framework using two light valves, so can meet the projection of high brightness
Demand.Further, since bare engine module has the first collective optics and the configuration being configured between the first light valve and closing light element
The second collective optics between the second light valve and closing light element, come from the first light valve conversion the first image strip with come from
In the second image strip that the second light valve is converted, subtended angle can contract after being each passed through the first collective optics and the second collective optics
It is small, therefore the size of closing light element can reduce.In this way, the volume of entire bare engine module can reduce, and used in bare engine module
Space to avoid light interference can reduce/omit, and when bare engine module is applied to projection arrangement, can shorten back of the body defocus distance
(back focal length, BFL), reduces the design difficulty of projection lens.In addition, due to the image light of incident projection lens
The hot spot (light spot) of beam reduces, so the lens positioned at the incident side (side towards closing light element) of projection lens can
The eyeglass for selecting diameter smaller.In this way, contributing to the projection lens of selection small volume, and manufacturing cost can be reduced.Therefore, originally
The projection arrangement of utility model embodiment can meet projection demand, low production cost and the whole body of downsizing of high brightness
Product.
For the above-mentioned and other purposes of the utility model, feature and advantage can be clearer and more comprehensible, preferred reality cited below particularly
Example is applied, and coordinates appended attached drawing, is described in detail below.
Description of the drawings
Fig. 1 is the block schematic diagram of the projection arrangement of one embodiment of the utility model.
Fig. 2 is the schematic diagram of the bare engine module of one embodiment of the utility model.
Fig. 3 is the schematic diagram of the light source module and the first recombination dichroic elements of one embodiment of the utility model.
Fig. 4 A are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Fig. 4 B are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Fig. 4 C are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Fig. 5 is the schematic diagram of the bare engine module of another embodiment of the utility model.
Fig. 6 A are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Fig. 6 B are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Fig. 7 A are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Fig. 7 B are the schematic diagrames of the bare engine module of another embodiment of the utility model.
Specific implementation mode
In relation to addressing other technologies content, feature and effect before 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 the block schematic diagram of the projection arrangement of one embodiment of the utility model.Please refer to Fig. 1, the throwing of the present embodiment
Image device 10 includes light source module 20, bare engine module 100 and projection lens 30.Bare engine module 100 is configured at light source module 20
Between projection lens 30.Light source module 20 is for providing illuminating bundle L to bare engine module 100.Bare engine module 100 is configured at photograph
On the transmission path of Mingguang City beam L, illuminating bundle L is converted into image strip La.Projection lens 30 is configured at image strip La
Transmission path on, image strip La be used for across projection lens 30 make projection lens 30 formed projected light beam 30L, projection lens
First 30 by projected light beam 30L for being projected to screen or metope (not shown).Hereinafter, being directed to bare engine module shown in FIG. 1 again
100 detailed construction is described in further detail with embodiment.
Fig. 2 is the schematic diagram of the bare engine module of one embodiment of the utility model.Please refer to Fig. 2, the ray machine mould of the present embodiment
Block 100 includes the 110, first light valve 120 of the first recombination dichroic elements (dichroic element), the second light valve 130, closing light element
140, the first collective optics 150, the second collective optics 160, the first smooth guide element 170 and the second smooth guide element 180.
In the present embodiment, 150/ second collective optics 160 of the first collective optics are, for example, convex lens, and but not limited to this.First color separation
Element 110 is configured on the transmission path of illuminating bundle L, and for illuminating bundle L to be divided into the first color beam L1 and the second color
Light beam L2.First color beam L1 is used for across the first recombination dichroic elements 110, and the second color beam L2 is used for by the first recombination dichroic elements 110
Reflection.First light valve 120 is configured on the transmission path of the first color beam L1, and for the first color beam L1 to be converted into first
Image strip La1.Second light valve 130 is configured on the transmission path of the second color beam L2, and for turning the second color beam L2
Change the second image strip La2 into.Closing light element 140 is configured at the first image strip La1 for coming from the first light valve 120 and comes
From the transmission path in the second image strip La2 of the second light valve 130.First collective optics 150 are configured at the first light valve 120
Between closing light element 140 (between).Second collective optics 160 are configured between the second light valve 130 and closing light element 140
(between).First smooth guide element 170 is configured between the first recombination dichroic elements 110, the first light valve 120 and closing light element 140
(among), and for the first color beam L1 to be directed to the first light valve 120.Second smooth guide element 180 is configured at the first color separation
Between element 110, the second light valve 130 and closing light element 140 (among), and for the second color beam L2 to be directed to the second light
Valve 130.
In the present embodiment, the first collective optics 150 are for example arranged in closing light element 140 and the first smooth guide element
Between 170, and the second collective optics 160 are for example arranged between closing light element 140 and the second smooth guide element 180.In addition,
In the present embodiment, the first light valve 120 and the second light valve 130 are optical valve in reflection type, such as digital micromirror elements (digital
Micromirror device, DMD), liquid crystal display (liquid crystal display, LCD) or silica-based liquid crystal panel
(liquid crystal on silicon panel, LCOS panel), but not limited to this.
The first smooth guide element 170 of the present embodiment is, for example, the first total internal reflection prism (total internal
Reflection prism, TIR prism), and the second smooth guide element 180 is, for example, the second total internal reflection prism.First light
Guide element 170 is used to the first color beam L1 reflexing to the first light valve 120, and comes from the of the first light valve 120 for allowing
One image strip La1 is passed through and is transferred to closing light element 140.Second smooth guide element 180 is used for the second color beam L2 reflections
To the second light valve 130, and for allowing the second image strip La2 for coming from the second light valve 130 to pass through and be transferred to closing light element
140。
The closing light element 140 of the present embodiment is, for example, light-combining prism, with color separation (dichroic) film 141.It is real one
It applies in example, dichroic coating 141 is, for example, plated film, and but not limited to this.Come from the first image strip La1 meetings of the first light valve 120
It is reflected by dichroic coating 141, and the second image strip La2 for coming from the second light valve 130 can pass through dichroic coating 141.By dichroic coating
First image strip La1 of 141 reflections is transmitted and is merged in the same direction with the second image strip La2 across dichroic coating 141
For image strip La.In another embodiment, color separation (dichroic) piece can also be used in closing light element 140.In one embodiment,
Color separation film is, for example, optical diaphragm (optical film or optical sheet), and but not limited to this.In addition, in closing light member
Part 140 is in the embodiment of light-combining prism, and the first collective optics 150 and the second collective optics 160 can also be configured at closing light member
On two surfaces of part 140.For example, planoconvex spotlight can be selected in the first collective optics 150 and the second collective optics 160, and distinguish
It is connected on two surfaces of closing light element 140 with plane；Alternatively, the first collective optics 150, the second collective optics 160 and conjunction
Optical element 140 is for example integrally formed, then the two of closing light element 140 optically focused convex surface can, and as the first above-mentioned optically focused
Element 150 and the second collective optics 160.In the present embodiment, the first collective optics 150 and the second collective optics 160 for example with
It is placed on the two adjacent surfaces of closing light element 140, but not limited to this.
Fig. 1 and Fig. 2 are please also refer to, the projection lens 30 of the present embodiment is configured at the image for coming from closing light element 140
On light beam La (i.e. the first image strip La1 and the second image strip La2) transmission path, neutralizing light element 140 is configured at throwing
Between shadow camera lens 30, the first light valve 120 and the second light valve 130, closing light element 140 is configured at projection lens 30, the first optically focused member
Between part 150 and the second collective optics 160, and closing light element 140 be configured at projection lens 30, the first smooth guide element 170 with
Between second smooth guide element 180.In another embodiment, closing light element 140, which also can be used for reflecting, comes from the second light valve 130
The second image strip La2 and for making the first image strip La1 for coming from the first light valve 120 pass through, and projection lens
30 position is accordingly adjusted to receive image strip La (i.e. the first image strip La1 and second for coming from closing light element 140
Image strip La2).
In one embodiment, image strips (such as red, green, blue) of the image strip La for example including three kinds of colors, with display
Chromatic image, wherein first the second image strips of image strip La1/ La2 for example includes the light beam of two kinds of colors, but not with this
It is limited.Will be described below that first the second image strips of image strip La1/ La2 how to be made to include the light beam of two kinds of colors.
Fig. 3 is the light source module of one embodiment of the utility model and the schematic diagram of the first recombination dichroic elements.Fig. 3 is please referred to, this
The light source module 20 of embodiment includes excitation light source 21, Wavelength changing element 22, the second recombination dichroic elements 23 and reflecting element group
28.Excitation light source 21 is for providing excitation beam Lb.In the present embodiment, excitation light source 21 is, for example, laser light source, luminous two
Pole pipe light source or other solid state light emitters, but not limited to this.Wavelength changing element 22 is configured at the transmission path of excitation beam Lb
On, for the first part of excitation beam Lb to be converted into commutating optical beam Lb1 and reflects commutating optical beam Lb1, and allow excitation beam
The second part Lb2 of Lb is passed through.Wavelength changing element 22 is, for example, phosphor powder runner, and has phosphor powder block (not shown)
And block (not shown) is penetrated, but not limited to this.When Wavelength changing element 22 rotates, excitation beam La alternately irradiates firefly
Light powder block and penetrate block.In the present embodiment, the first part of excitation beam Lb irradiates phosphor powder block and by fluorescent powder
Block reflects, and the second part Lb2 irradiations of excitation beam Lb penetrate block and the excitation beam across Wavelength changing element 22
La.Excitation beam Lb and its second part Lb2/ first parts are, for example, blue light, and commutating optical beam Lb1 is, for example, yellow light.In addition,
Phosphor powder block also can make commutating optical beam Lb1 be divided into multiple color according to sequential there are many phosphor powder of color.
Second recombination dichroic elements 23 are configured between excitation light source 21 and Wavelength changing element 22, and for allowing excitation beam Lb
Second part Lb2 pass through, and for reflecting commutating optical beam Lb1.The reflecting element group 28 of Fig. 3 is for example including three reflecting elements
24,25,26, such as speculum, but not limited to this.Reflecting element group 28 is configured at the second part Lb2's of excitation beam Lb
On transmission path, and for the second part Lb2 of excitation beam Lb to be reflexed to the second recombination dichroic elements 23 to allow excitation beam Lb
Second part Lb2 pass through the second recombination dichroic elements 23.Then, the second part of the excitation beam Lb of the second recombination dichroic elements 23 is passed through
It Lb2 and is transmitted in the same direction by the commutating optical beam Lb1 that the second recombination dichroic elements 23 reflect to form above-mentioned illuminating bundle L, i.e.,
The illuminating bundle L of the present embodiment is made of the second part Lb2 of commutating optical beam Lb1 and excitation beam Lb.
Above-mentioned first recombination dichroic elements 110 are for being divided into the commutating optical beam Lb1 in illuminating bundle L with different colours (example
Such as red, green) the first beamlet Lb11 and the second beamlet Lb12, and be used to allow the first beamlet Lb11 and exciting light
The second part Lb2 of beam Lb is passed through, and for reflecting the second beamlet Lb12.In this way, the first color beam L1 in Fig. 2 for example by
The second part Lb2 of first beamlet Lb11 and excitation beam Lb is formed, and the second color beam L2 is for example by the second beamlet
Lb12 is formed, and but not limited to this.In other words, the first color beam L1 for example includes the light beam of two kinds of colors, and the second coloured light
Beam L2 is for example including a kind of light beam of color, and but not limited to this.
In another embodiment, the first recombination dichroic elements 110 are for allowing the first beamlet Lb11 to pass through, and are used to reflect second
The second part Lb2 of beamlet Lb12 and excitation beam Lb, so that the first color beam L1 is for example by the first beamlet Lb11 institutes group
At, and the second color beam L2 is for example made of the second part Lb2 of the second beamlet Lb12 and excitation beam Lb, but not with this
It is limited.
Above-mentioned light source module 20 may also include multiple lens or other optical elements, such as lens 201,202,203.Thoroughly
Mirror 201,202,203 is configured on the transmission path of second part Lb2 of excitation beam Lb.In addition, above-mentioned light source module 20 is also
It may include dodging device 27, such as optical integration pillar (light integration rod) or lens array (lens array), but
It is not limited.Dodging device 27 is configured on the transmission path of illuminating bundle L.
In the projection arrangement 10 of the present embodiment, since bare engine module 100 is using the framework of two light valves, so height can be met
The projection demand of brightness.Further, since the first collective optics 150 configure between the first light valve 120 and closing light element 140, the
Two collective optics 160 configure between the second light valve 130 and closing light element 140, the first image strip La1 and the second image strip
La2 subtended angles when being each passed through the first collective optics 150 with the second collective optics 160 can reduce, therefore the ruler of closing light element 140
It is very little to reduce so as to need the reserved space for keeping away light interference back and forth that can reduce, thus back of the body defocus distance can be shortened, may be used also
Reduce the design difficulty of projection lens 30.In addition, since the image strip La hot spots for being incident upon projection lens 30 reduce, so position
The smaller eyeglass of diameter can be selected in the lens of the incident side (side towards closing light element 140) of projection lens 30.In this way, having
Help select the projection lens 30 of small volume, and reduces manufacturing cost.
Fig. 4 A are the schematic diagrames of the bare engine module of another embodiment of the utility model.Please refer to Fig. 4 A, the light of the present embodiment
Machine module 100a is similar to above-mentioned 100 structure of lighting system and advantage, below for being said at the main difference of its structure
It is bright.The bare engine module 100a of the present embodiment for example further includes the first light path adjustment element 193 and the second light path adjustment member
Part 194.First light path adjustment element 193 is configured at by the first light valve 120, and positioned at the transmission road of the first image strip La1
On diameter.Second light path adjustment element 194 is configured at by the second light valve 130, and positioned at the transmission road of the second image strip La2
On diameter.Specifically, the first light path adjustment element 193 is for example arranged in the first collective optics 150 and the first light guide draws member
Between part 170, and the second light path adjustment element 194 is for example arranged in the second collective optics 160 and the second smooth guide element
Between 180.In the present embodiment, the first light path adjustment element 193 and the second light path adjustment element 194 are actuated
Device (actuator) start/actuating and its angle can make optical element (element)/component (assembly) of minor rotation,
Make the first incident image strip La1 and the second image strip La2 that can correspond to different rotational angles and generate offset/deflection,
And then the image analytic degree of projected picture can be promoted.
The bare engine module 100a of the present embodiment can also further comprise the first cover plate 191 and the second cover plate 192.First lid
Piece 191 is for example arranged between the first smooth guide element 170 and the first light path adjustment element 193, and the second cover plate 192
It is such as arranged between the second smooth guide element 180 and the second light path adjustment element 194.First cover plate 191 and second covers
Piece is, for example, glass (cover glass), for providing dust-proof function.
In the bare engine module 100b of another embodiment shown in Fig. 4 B, the first collective optics 150 are configured in the first light
Between guide element 170 and the first cover plate 191, and the second collective optics 160 are configured in the second smooth guide element 180 and
Between two cover plates 192.
In above-described embodiment, the first collective optics 150 are for example disposed on the first smooth guide element 170 and closing light element
Between 140, and the second collective optics 160 are for example disposed between the second smooth guide element 180 and closing light element 140.At it
In his embodiment, the first collective optics 150 are configurable between the first smooth guide element 170 and the first light valve 120, and second
Collective optics 160 are configurable between the second smooth guide element 180 and the second light valve 130, as shown in Fig. 4 C.Fig. 4 C are this realities
With the schematic diagram of the bare engine module of novel another embodiment.The bare engine module 100c of the embodiment of Fig. 4 C and above-mentioned bare engine module
100a structures and advantage are similar, and main difference is：First collective optics 150 of the embodiment of Fig. 4 C are configured at the first light valve
120 and first between smooth guide element 170, and the second collective optics 160 are configured at the second light valve 130 and the second light guide draws member
Between part 180.In addition, in another embodiment, as shown in figure 5, bare engine module 100d is for example without above-mentioned first light path
Adjustment element 193 and the second light path adjustment element 194, the first collective optics 150 can also be configured in the first light valve 120 and
Between one smooth guide element 170, the second collective optics 160 can also be configured in the second light valve 130 and the second smooth guide element 180 it
Between.
Fig. 6 A are the schematic diagrames of the bare engine module of another embodiment of the utility model.Please refer to Fig. 6 A, the light of the present embodiment
Machine module 100e is similar to above-mentioned 100 structure of bare engine module and advantage, below for being said at the main difference of its structure
It is bright.The first smooth guide element 170a of the present embodiment is, for example, first against total internal reflection prism (reversal total
Internal reflection prism, RTIR prism), and the second smooth guide element 180a is, for example, second inverse complete interior anti-
Penetrate prism.First smooth guide element 170a is used in the future for allowing the first color beam L1 to pass through and be transferred to the first light valve 120
Closing light element 140 is reflexed to from the first image strip La1 in the first light valve 120.Second smooth guide element 180a is for allowing the
Dichroscope beam L2 is passed through and is transferred to the second light valve 130, and the second image strip La2 for that will come from the second light valve 130
Reflex to closing light element 140.
Fig. 6 B are the schematic diagrames of the bare engine module of another embodiment of the utility model.Please refer to Fig. 6 B, the light of the present embodiment
Machine module 100f is similar to above-mentioned bare engine module 100e structures, and main difference is that the first collective optics 150 are configured at first
Between light valve 120 and the first smooth guide element 170a, the second collective optics 160 are configured at the second light valve 130 and draw with the second light guide
Between element 180a.
Fig. 7 A are the schematic diagrames of the bare engine module of another embodiment of the utility model.Please refer to Fig. 7 A, the light of the present embodiment
Machine module 100g is similar to above-mentioned 100 structure of bare engine module and advantage, below for being said at the main difference of its structure
It is bright.The first smooth smooth guide element 180b of guide element 170b and second of the present embodiment are all speculum.First smooth guide element
170b is used to the first color beam L1 reflexing to the first light valve 120, and the first smooth guide element 170b deviates the first image light
The transmission path of beam La1 is to avoid the first image strip La1 of reflection.Second smooth guide element 180b is used for the second color beam L2
The second light valve 130 is reflexed to, and the second smooth guide element 180b deviates the transmission path of the second image strip La2 to avoid reflection
Second image strip La2.The first smooth guide element 170b of the present embodiment is selected with the second smooth visual demands of guide element 180b
With plane mirror or there is the curved reflector of diopter.
Fig. 7 B are the schematic diagrames of the bare engine module of another embodiment of the utility model.Please refer to Fig. 7 B, the light of the present embodiment
Machine module 100h is similar to above-mentioned bare engine module 100g structures, and main difference is that the first collective optics 150 are configured at first
Between light valve 120 and the first smooth guide element 170b, the second collective optics 160 are configured at the second light valve 130 and draw with the second light guide
Between element 180b.
In conclusion framework of the bare engine module of the utility model embodiment because using two light valves, so height can be met
The projection demand of brightness.Further, since bare engine module between the first light valve and closing light element configured with the first collective optics with
And the second collective optics are configured between the second light valve and closing light element, so that the first image strip and the second image strip is being divided
Not Chuan Guo the first collective optics can be reduced with subtended angle when the second collective optics, therefore the size of closing light element can reduce, in turn
Allow that the size of bare engine module reduces and production cost can reduce.Compared to known technology, the utility model embodiment
Bare engine module avoid the space of light interference and can reduce/omit, therefore back of the body defocus distance can be shortened, reduce projection lens
Design difficulty.In addition, since the hot spot that image strip is incident upon projection lens reduces, so projection lens incident side (towards
The side of closing light element) lens the smaller eyeglass of diameter can be selected.In this way, contribute to the projection lens of selection small volume,
And manufacturing cost can be reduced.Therefore, the projection arrangement of the utility model embodiment can meet the projection demand of high brightness, low production
Cost and the overall volume of downsizing.
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 reality
With novel disclosed whole purposes or advantage or feature.In addition, abstract and denomination of invention are intended merely to auxiliary patent document inspection
Rope 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
10：Projection arrangement
20：Light source module
21：Excitation light source
22：Wavelength changing element
23：Second recombination dichroic elements
24、25、26：Reflecting element
27：Dodging device
28：Reflecting element group
30：Projection lens
30L：Projected light beam
100、100a、100b、100c、100d、100e、100f、100g、100h：Bare engine module
110：First recombination dichroic elements
120：First light valve
130：Second light valve
140：Closing light element
141：Dichroic coating
150：First collective optics
160：Second collective optics
170、170a、170b：First smooth guide element
180、180a、180b：Second smooth guide element
191：First cover plate
192：Second cover plate
193：First light path adjustment element
194：Second light path adjustment element
201、202、203：Lens
L：Illuminating bundle
L1：First color beam
L2：Second color beam
La：Image strip
La1：First image strip
La2：Second image strip
Lb：Excitation beam
Lb1：Commutating optical beam
Lb11：First beamlet
Lb12：Second beamlet
Lb2：The second part of excitation beam.
Claims (19)
1. a kind of projection arrangement, which is characterized in that including light source module, bare engine module and projection lens,
The light source module is for providing illuminating bundle；
The bare engine module includes the first recombination dichroic elements, the first light valve, the second light valve, closing light element, the first collective optics, second
Collective optics, the first smooth guide element and the second smooth guide element,
First recombination dichroic elements are configured on the transmission path of the illuminating bundle, and for the illuminating bundle to be divided into the
Light beam of the same colour and the second color beam, wherein first color beam is used for across first recombination dichroic elements, second coloured light
Beam is used to be reflected by first recombination dichroic elements；
First light valve is configured on the transmission path of first color beam, and for first color beam to be converted into
First image strip；
Second light valve is configured on the transmission path of second color beam, and for second color beam to be converted into
Second image strip；
The closing light element configuration is in first image strip for coming from first light valve and comes from second light
On the transmission path of second image strip of valve；
First collective optics are configured between first light valve and the closing light element；
Second collective optics are configured between second light valve and the closing light element；
First light guide draws element configuration between first recombination dichroic elements, first light valve and the closing light element,
And for first color beam to be directed to first light valve；
Second light guide draws element configuration between first recombination dichroic elements, second light valve and the closing light element,
And for second color beam to be directed to second light valve；
The projection lens is configured at first image strip for coming from the closing light element and second image strip
Transmission path on, wherein the closing light element configuration in the projection lens, first light valve and second light valve it
Between, the closing light element configuration is between the projection lens, first collective optics and second collective optics, and institute
Closing light element configuration is stated between the projection lens, the first smooth guide element and the second smooth guide element.
2. projection arrangement as described in claim 1, which is characterized in that first collective optics are configured at first light valve
Between the described first smooth guide element, second collective optics are configured at second light valve and draw member with second light guide
Between part.
3. projection arrangement as described in claim 1, which is characterized in that first collective optics are configured at the closing light element
Between the described first smooth guide element, second collective optics are configured at the closing light element and draw member with second light guide
Between part.
4. projection arrangement as claimed in claim 3, which is characterized in that the closing light element is light-combining prism, and described first
Collective optics are configured at second collective optics on two surfaces of the closing light element.
5. projection arrangement as described in claim 1, which is characterized in that the first smooth guide element draws with second light guide
Element is respectively the first total internal reflection prism and the second total internal reflection prism, wherein first total internal reflection prism is used for institute
It states the first color beam and reflexes to first light valve, and for allowing first image strip for coming from first light valve to wear
It crosses and is transferred to the closing light element, wherein second total internal reflection prism is described for reflexing to second color beam
Second light valve, and it is transferred to the closing light member for allowing second image strip for coming from second light valve to pass through
Part.
6. projection arrangement as described in claim 1, which is characterized in that the first smooth guide element draws with second light guide
Element is respectively first against total internal reflection prism and second against total internal reflection prism, wherein described first uses against total internal reflection prism
It is transferred to first light valve in allowing first color beam to pass through, and described for first light valve will to be come from
One image strip reflexes to the closing light element, wherein described second against total internal reflection prism is used to that second color beam to be allowed to wear
It crosses and is transferred to second light valve, and is described for reflexing to second image strip for coming from second light valve
Closing light element.
7. projection arrangement as described in claim 1, which is characterized in that the first smooth guide element draws with second light guide
Element is two speculums, and described two speculums for reflexing to first color beam and second color beam respectively
First light valve and second light valve, and described two speculums are not located at first image strip and second shadow
As light beam transmission path on.
8. projection arrangement as described in claim 1, which is characterized in that the bare engine module further includes：
First light path adjustment element is configured at by first light valve, and positioned at the transmission path of first image strip
On；And
Second light path adjustment element is configured at by second light valve, and positioned at the transmission path of second image strip
On.
9. projection arrangement as described in claim 1, which is characterized in that the light source module includes：
Excitation light source, for providing excitation beam；
Wavelength changing element is configured on the transmission path of the excitation beam, and for by first of the excitation beam
Divide and is converted into commutating optical beam；
Second recombination dichroic elements are configured between the excitation light source and the Wavelength changing element, and for allowing the exciting light
The second part of beam passes through, and for reflecting the commutating optical beam；And
Reflecting element group is configured on the transmission path of the second part of the excitation beam, and described sharp for reflecting
The second part of luminous beam is to allow the second part of the excitation beam to pass through second recombination dichroic elements, wherein institute
State the second part that illuminating bundle includes the commutating optical beam and the excitation beam.
10. projection arrangement as claimed in claim 9, which is characterized in that first recombination dichroic elements are used for the conversion light
Beam is divided into the first beamlet and the second beamlet with different colours, and for allowing first beamlet and the exciting light
The second part of beam passes through, and for reflecting second beamlet, wherein first color beam includes described first
The second part of beamlet and the excitation beam, and second color beam includes second beamlet.
11. projection arrangement as claimed in claim 9, which is characterized in that first recombination dichroic elements are used for the conversion light
Beam is divided into the first beamlet and the second beamlet with different colours, and for allowing first beamlet to pass through, and is used for
The second part of second beamlet and the excitation beam is reflected, wherein first color beam includes described first
Beamlet, and second color beam includes the second part of second beamlet and the excitation beam.
12. a kind of bare engine module, which is characterized in that including：
First recombination dichroic elements, for illuminating bundle to be divided into the first color beam and the second color beam, wherein first color beam
For passing through first recombination dichroic elements, second color beam to be used to be reflected by first recombination dichroic elements；
First light valve is configured on the transmission path of first color beam, and for first color beam to be converted into the
One image strip；
Second light valve is configured on the transmission path of second color beam, and for second color beam to be converted into the
Two image strips；
Closing light element is configured at first image strip for coming from first light valve and comes from second light valve
On the transmission path of second image strip；
First collective optics are configured between first light valve and the closing light element；
Second collective optics are configured between second light valve and the closing light element；
First smooth guide element is configured between first recombination dichroic elements, first light valve and the closing light element, and is used
In first color beam is directed to first light valve；And
Second smooth guide element is configured between first recombination dichroic elements, second light valve and the closing light element, and is used
In second color beam is directed to second light valve.
13. bare engine module as claimed in claim 12, which is characterized in that first collective optics are configured at first light
Between valve and the first smooth guide element, second collective optics are configured at second light valve and draw with second light guide
Between element.
14. bare engine module as claimed in claim 12, which is characterized in that first collective optics are configured at the closing light member
Between part and the first smooth guide element, second collective optics are configured at the closing light element and draw with second light guide
Between element.
15. bare engine module as claimed in claim 14, which is characterized in that the closing light element is light-combining prism, and described the
One collective optics are configured at second collective optics on two surfaces of the closing light element.
16. bare engine module as claimed in claim 12, which is characterized in that the first smooth guide element and second light guide
It is respectively the first total internal reflection prism and the second total internal reflection prism to draw element, wherein first total internal reflection prism is used to incite somebody to action
First color beam reflexes to first light valve, and for allowing first image strip for coming from first light valve
It passes through and is transferred to the closing light element, wherein second total internal reflection prism is used to second color beam reflexing to institute
The second light valve is stated, and the closing light member is transferred to for allowing second image strip for coming from second light valve to pass through
Part.
17. bare engine module as claimed in claim 12, which is characterized in that the first smooth guide element and second light guide
It is respectively first against total internal reflection prism and second against total internal reflection prism to draw element, wherein described first against total internal reflection prism
It is transferred to first light valve for allowing first color beam to pass through, and for the described of first light valve will to be come from
First image strip reflexes to the closing light element, wherein described second against total internal reflection prism for allowing second color beam
It passes through and is transferred to second light valve, and for second image strip for coming from second light valve to be reflexed to institute
State closing light element.
18. bare engine module as claimed in claim 12, which is characterized in that the first smooth guide element and second light guide
It is two speculums to draw element, and described two speculums for reflecting first color beam and second color beam respectively
To first light valve and second light valve, and described two speculums are not located at first image strip and described second
On the transmission path of image strip.
19. bare engine module as claimed in claim 12, which is characterized in that the bare engine module further includes：
First light path adjustment element is configured at by first light valve, and positioned at the transmission path of first image strip
On；And
Second light path adjustment element is configured at by second light valve, and positioned at the transmission path of second image strip
On.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183655.0U CN207851427U (en) | 2018-02-02 | 2018-02-02 | Projection arrangement and bare engine module |
| EP19153582.2A EP3521902B1 (en) | 2018-02-02 | 2019-01-24 | Projection device and light engine module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183655.0U CN207851427U (en) | 2018-02-02 | 2018-02-02 | Projection arrangement and bare engine module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207851427U true CN207851427U (en) | 2018-09-11 |
Family
ID=63410493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820183655.0U Active CN207851427U (en) | 2018-02-02 | 2018-02-02 | Projection arrangement and bare engine module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207851427U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133857A (en) * | 2018-02-02 | 2019-08-16 | 中强光电股份有限公司 | Projection arrangement and bare engine module |
| EP3528044A1 (en) * | 2018-02-14 | 2019-08-21 | Coretronic Corporation | Projection device |
| CN113138525A (en) * | 2020-01-20 | 2021-07-20 | 苏州佳世达光电有限公司 | Projection device |
-
2018
- 2018-02-02 CN CN201820183655.0U patent/CN207851427U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133857A (en) * | 2018-02-02 | 2019-08-16 | 中强光电股份有限公司 | Projection arrangement and bare engine module |
| CN110133857B (en) * | 2018-02-02 | 2021-09-03 | 中强光电股份有限公司 | Projection device and optical-mechanical module |
| EP3528044A1 (en) * | 2018-02-14 | 2019-08-21 | Coretronic Corporation | Projection device |
| US10642146B2 (en) | 2018-02-14 | 2020-05-05 | Coretronic Corporation | Projection device |
| CN113138525A (en) * | 2020-01-20 | 2021-07-20 | 苏州佳世达光电有限公司 | Projection device |
| CN113138525B (en) * | 2020-01-20 | 2024-03-22 | 苏州佳世达光电有限公司 | Projection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3550832B1 (en) | Projection apparatus | |
| US8789957B2 (en) | Light source module and projection apparatus | |
| US8573779B2 (en) | Lighting device with plural light sources illuminating distinct regions of integrator | |
| US9201295B2 (en) | High efficiency LED optical engine for a digital light processing (DLP) projector and method of forming same | |
| KR101321631B1 (en) | Light collecting optical system and projection-type image display device | |
| JP2007058163A (en) | Light source apparatus, optical modulation apparatus, display apparatus, light condensing lighting system and projection type color display apparatus | |
| US8523362B2 (en) | Illumination system and projection apparatus | |
| JP5494678B2 (en) | Illumination optical system and projector apparatus | |
| US8944606B2 (en) | Projector having color separation optical system with reflecting curved surface | |
| CN102799055A (en) | Image projection apparatus provided with no relay lens | |
| KR102595295B1 (en) | Projector | |
| CN207851427U (en) | Projection arrangement and bare engine module | |
| CN110133857A (en) | Projection arrangement and bare engine module | |
| US20150323156A1 (en) | Light source device | |
| JP4909546B2 (en) | Illumination device, light modulation device, and projection display device | |
| US20110096299A1 (en) | Illumination system and projection apparatus having the same | |
| CN108073025A (en) | Projection arrangement and lighting system | |
| JP2009063892A (en) | Projector, optical element, and optical modulating device | |
| EP3521902B1 (en) | Projection device and light engine module | |
| JP2000147658A (en) | Image projector | |
| CN110764349B (en) | Projection system | |
| JP2001290218A (en) | Projection type picture display device | |
| JPWO2016140049A1 (en) | Prism unit and projector | |
| JP2016099585A (en) | Optical device and image projection device | |
| JP2006292792A (en) | Optical projection apparatus and projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |