CN209265161U - Lighting system and projection arrangement - Google Patents

Abstract

The utility model proposes lighting system include excitation light source, wavelength convert module, spectral module and light uniformization element.Spectral module has transmission region and splitting area, the excitation beam of excitation light source is incident to wavelength convert module by transmission region, excitation beam is converted into the echo area reflection that at least a wavelength convert light beam and excitation beam are wavelength-converted module by an at least wavelength-converting region for wavelength convert module, and the excitation beam from wavelength convert module forms the first sub- excitation beam and the second sub- excitation beam via the splitting area of spectral module.First sub- excitation beam and the second sub- excitation beam form excitation light beam of light combination.Light uniformization element is for homogenizing excitation light beam of light combination and an at least wavelength convert light beam, and the angle of excitation light beam of light combination incidence light uniformization element is greater than 0.25 times of at least angle of a wavelength convert light beam incident light uniformization element.The image frame projected by the projection arrangement of the utility model can have good picture quality.

Description

Lighting system and projection arrangement

Technical field

The utility model relates to a kind of lighting system and projection arrangement.

Background technique

Recently with light emitting diode (light-emitting diode, LED) and laser diode (laser diode) etc. Projection arrangement based on solid state light emitter occupies a tiny space on the market gradually.Since laser diode has greater than about 20% Luminous efficiency in order to break through the light source limitation of light emitting diode, therefore has developed gradually with laser light source excitated fluorescent powder and has produced Pure color light source required by raw projector.

In general, known projection arrangement framework has excitation light source (i.e. blue laser array), fluorescent powder wheel (Phosphor Wheel), filter wheel (Filter Wheel), integration rod, the first-class optical element of light valve and projection lens, wherein The excitation beam that excitation light source provides is understood after optical element via fluorescent powder wheel and filter wheel and according to sequential export coloured light, and After making the uniform shaping of light via integration rod, picture is launched by the grayscale of light valve control picture, then through projection lens.In more detail For, when the excitation beam that excitation light source provides focuses on the region on fluorescent powder wheel with fluorescent powder, it can inspire and be stimulated Light, this stimulated luminescence can be passed and focus into integration rod, and on the other hand, excitation beam is not by having fluorescence on fluorescent powder wheel When the region of powder, it can penetrate and by optical element refocusing into integration rod.However, the exciting light of these penetration phosphor wheels The angle that the angle of beam incidence integration rod is less than stimulated luminescence incidence integration rod is a lot of, therefore it is uniform to will cause projected picture color Spend bad phenomenon.Also, the system light path of this projection arrangement need to have the design of additional loop, and have the contracting of system architecture volume It is small to be not easy and problem with high costs.

" background technique " paragraph is used only to help to understand the content of the present invention, therefore is taken off in " background technique " paragraph The content of dew may include some known technologies without constituting road known to those skilled in the art.In " background technique " 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 reality With being readily known to those persons skilled in the art or recognized before novel application.

Utility model content

The utility model provides a kind of lighting system, has small size.

The utility model provides a kind of projection arrangement, has small size and good picture quality.

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 propose one kind up to one of above-mentioned or part or all of purpose or other purposes, an embodiment of the utility model Lighting system, for providing illuminating bundle, and lighting system includes excitation light source, wavelength convert module, spectral module and light Uniformization element.Excitation light source is for issuing excitation beam.Wavelength convert module is located on the transmission path of excitation beam, has At least a wavelength-converting region and echo area.Spectral module is located on the transmission path of excitation beam and is located at excitation light source and wave Between long conversion module, wherein spectral module has transmission region and splitting area, and excitation beam is incident to wavelength via transmission region Conversion module, when on the transmission path of an at least wavelength-converting region for wavelength convert module incision excitation beam, excitation beam It is converted into an at least wavelength convert light beam via an at least wavelength-converting region for wavelength convert module, and works as wavelength convert module Echo area incision excitation beam transmission path on when, the echo area that excitation beam is wavelength-converted module is reflected, and The first sub- excitation beam and second is formed via the splitting area of spectral module from the excitation beam of the echo area of wavelength convert module Sub- excitation beam.Wherein the first sub- excitation beam and the second sub- excitation beam form excitation light beam of light combination.Light uniformization element position On the transmission path of excitation light beam of light combination and an at least wavelength convert light beam, for homogenizing excitation light beam of light combination and at least one Wavelength convert light beam, and the angle of light beam of light combination incidence light uniformization element is excited to be greater than an at least wavelength convert light beam incident light 0.25 times of the angle of uniformization element.

One embodiment of the utility model proposes a kind of projection arrangement.Projection arrangement includes above-mentioned lighting system, light valve And projection lens.Light valve is located on the transmission path of illuminating bundle, and for illuminating bundle to be converted into image strip.Projection Camera lens is located on the transmission path of image strip, and for image strip to be converted into projected light beam.

Based on above-mentioned, the embodiments of the present invention at least have effects that following one of advantage or.It is practical new at this In the embodiment of type, projection arrangement and lighting system, will by the configuration for the transmission region and splitting area for using spectral module So that the angle of excitation light beam of light combination incidence light uniformization element is greater than an at least wavelength convert light beam incident light uniformization element 0.25 times of angle, and be conducive to adjust excitation light beam of light combination and an at least wavelength convert light beam and be formed by illuminating bundle The uniformity, and make whereby the image frame being projected out have good picture quality.

In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing It is described in detail below.

Detailed description of the invention

Fig. 1 is a kind of configuration diagram of projection arrangement of an embodiment of the present invention.

Fig. 2A is a kind of transmission region of spectral module of Fig. 1 and the schematic diagram of splitting area.

Fig. 2 B is a kind of schematic elevation view of wavelength convert module of Fig. 1.

Fig. 3 A is the light path schematic diagram of the wavelength convert light beam of the lighting system of Fig. 1.

Fig. 3 B is the light path schematic diagram by the excitation beam of the spectral module of Fig. 2A.

Fig. 4 A to Fig. 4 F is the configuration diagram of the various spectral modules of Fig. 1.

Fig. 5 A is the distribution schematic diagram of one kind the first spot area and the second spot area of Fig. 1.

Fig. 5 B is the distribution schematic diagram of another kind the first spot area and the second spot area of Fig. 1.

Fig. 6 A is the transmission region of another spectral module of Fig. 1 and the schematic diagram of splitting area.

Fig. 6 B is the light path schematic diagram by the excitation beam of the spectral module of Fig. 6 A.

Fig. 7 is the configuration diagram of another lighting system of an embodiment of the present invention.

Fig. 8 A is the light path schematic diagram of the wavelength convert light beam of the lighting system of Fig. 7.

Fig. 8 B is the light path schematic diagram of the excitation beam of the lighting system of Fig. 7.

Specific embodiment

In relation to addressing other technologies content, feature and effect before the utility model, in following cooperation with reference to one of 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 drawing.Therefore, the direction term used is for illustrating not to be used to limit The utility model processed.

Fig. 1 is a kind of configuration diagram of projection arrangement of an embodiment of the present invention.Fig. 2A is a kind of light splitting of Fig. 1 The transmission region of module and the schematic diagram of splitting area.Fig. 2 B is a kind of schematic elevation view of wavelength convert module of Fig. 1.Fig. 3 A is figure The light path schematic diagram of the wavelength convert light beam of 1 lighting system.Fig. 3 B is the light by the excitation beam of the spectral module of Fig. 2A Road schematic diagram.Fig. 1 is please referred to, in the present embodiment, projection arrangement 200 includes lighting system 100, light valve 210 and projection lens First 220.In the present embodiment, light valve 210 is, for example, digital micromirror elements (digital micro-mirror device, DMD) Or silica-based liquid crystal panel (liquid-crystal-on-silicon panel, LCOS panel).However, in other implementations In example, light valve 210 can also be penetration liquid crystal display panel or other light beam modulators.The quantity of light valve 210 can be it is single or It is multiple.

Specifically, as shown in Figure 1, lighting system 100 is used to provide illuminating bundle 70, and lighting system 100 includes swashing Light emitting source 110, spectral module 120, wavelength convert module 130, collective optics 140 and light uniformization element 150.Excitation light source 110 for issuing excitation beam 50.For example, in the present embodiment, excitation light source 110 is blue laser light source, and is excited Light beam 50 is blue laser beams, that is, the light beam with blue wave band.Excitation light source 110 for example may include multiple lining up battle array The blue light laser diode (not being painted) of column, but the utility model is not limited to this.

Furthermore, shown in A as shown in Figure 1, Figure 2 and Fig. 3 B, in the present embodiment, spectral module 120 is located at excitation beam On 50 transmission path, and between excitation light source 110 and wavelength convert module 130, wherein spectral module 120 has transmitting Area TR and splitting area SR.The excitation beam 50 emitted from excitation light source 110 is incident to wavelength convert module via transmission region TR 130.And the first sub- sub- excitation beam 50B of excitation beam 50A and second will form by the excitation beam 50 of splitting area SR.Tool For body, as shown in Figure 1, in the present embodiment, spectral module 120 includes recombination dichroic elements 121, beam splitter 122 and reflection Element 123 (e.g. reflecting mirror).As shown in Fig. 1 and Fig. 2A, beam splitter 122 is connected to recombination dichroic elements 121, and recombination dichroic elements 121 is coplanar with beam splitter 122, and in other words, in the present embodiment, recombination dichroic elements 121 and beam splitter 122 turn in face of wavelength Optical surface OS is collectively formed in the surface of mold changing block 130.

Specifically, as shown in Figure 1, in the present embodiment, recombination dichroic elements 121 correspond to transmission region TR and are arranged, and use In making excitation beam 50 be incident to wavelength convert module 130.For example, in the present embodiment, recombination dichroic elements 121 can for example allow Blue light beam (light beam with blue wave band) penetrates, and provides the light beam of other colors (such as red, green, yellow) anti- The effect of penetrating.That is, recombination dichroic elements 121 can allow the excitation beam 50 of blue to penetrate, in this way, which excitation beam 50 can penetrate Recombination dichroic elements 121 are simultaneously incident to wavelength convert module 130.

Then, shown in B as shown in Figure 1, Figure 2, Fig. 3 A and Fig. 3 B, in the present embodiment, wavelength convert module 130 is located at exciting light On the transmission path of beam 50, there is an at least wavelength-converting region WR and echo area RR.For example, wavelength convert module 130 It may include substrate, substrate has highly reflective material.Wavelength-converting region WR may include wavelength conversion layer (not being painted), and be used for by Excitation beam 50 is converted to an at least wavelength convert light beam 60, that is, wavelength conversion layer is excited the irradiation of light beam 50 and is formed extremely A few wavelength convert light beam 60.On the other hand, echo area RR may include the plated film or high reflection mirror (not being painted) of high reflectance, and For reflected excitation light beam 50.Also, in the present embodiment, wavelength convert module 130 further include the first actuator MR1 (such as Motor (motor)), for making the echo area RR and an at least wavelength-converting region WR of wavelength convert module 130 in different time Into in the range of exposures of excitation beam 50, that is, wavelength convert module 130 echo area RR and an at least wavelength-converting region WR is cut in turn on the transmission path of excitation beam 50.And excitation beam 50 is selectively made to pass through or be converted into an at least wave Long commutating optical beam 60.

For example, as shown in Fig. 2 B and Fig. 3 A, in the present embodiment, when an at least wavelength for wavelength convert module 130 When transition zone WR is entered in the range of exposures of excitation beam 50, an at least wavelength-converting region WR for wavelength convert module 130 will swash The beam 50 that shines is converted to an at least wavelength convert light beam 60, and at least a wavelength convert light beam 60 can be transferred to spectral module 120 And the module 120 that is split is reflected.On the other hand, as shown in Fig. 2 B and Fig. 3 B, the echo area RR of wavelength convert module 130 is used for Reflected excitation light beam 50 and so that excitation beam 50 is transferred to spectral module 120 again.

Furthermore, as shown in Figure 3B, in the present embodiment, beam splitter 122 is partial penetration part reflecting element, And correspond to splitting area SR and be arranged, and the first son of part formation for being used to make to be transferred to the excitation beam 50 of beam splitter 122 swashs Shine beam 50A, and another part forms the second sub- excitation beam 50B, but beam splitter 122 can allow other colors (such as red, green Color, yellow etc.) light beam provide reflex.In other words, the excitation beam 50 from wavelength convert module 130 is via light splitting mould It will form the first sub- sub- excitation beam 50B of excitation beam 50A and second after the splitting area SR (i.e. beam splitter 122) of block 120, and An at least wavelength convert light beam 60 is allowed to reflect.As shown in Figure 3B, in the present embodiment, the first sub- excitation beam 50A is split member Part 122 reflexes to collective optics 140, and the reflecting element 123 of spectral module 120 is then located at the biography of the second sub- excitation beam 50B It passs on path, therefore the second sub- excitation beam 50B can be reflected by reflecting element 123 and penetrate recombination dichroic elements 121 and be transferred to poly- Optical element 140.

As shown in Fig. 3 A and Fig. 3 B, in the present embodiment, collective optics 140 are located at the first sub- excitation beam 50A, the second son On the transmission path of excitation beam 50B and an at least wavelength convert light beam 60.As shown in Figure 3A, in the present embodiment, at least one Wavelength convert light beam 60 by beam splitter 122 and recombination dichroic elements 121 reflection, and via collective optics 140 import light it is uniform Change element 150.As shown in Figure 3B, in the present embodiment, the first sub- sub- excitation beam 50B of excitation beam 50A and second is via poly- After optical element 140 forms excitation light beam of light combination 50C, then import light uniformization element 150.

Also, as shown in Fig. 3 A and Fig. 3 B, in the present embodiment, light uniformization element 150 is located at excitation light beam of light combination 50C On the transmission path of an at least wavelength convert light beam 60.In the present embodiment, light uniformization element 150 is, for example, integration rod, But the utility model is not limited to this.More specifically, as shown in Fig. 1, Fig. 3 A and Fig. 3 B, as excitation light beam of light combination 50C and extremely When a few wavelength convert light beam 60 is formed illuminating bundle 70 in a manner of timing and is transferred to light uniformization element 150, light is equal Homogenize element 150 for homogenize excitation light beam of light combination 50C and an at least wavelength convert light beam 60 be formed by illuminating bundle 70, And it is made to be transferred to light valve 210.

Furthermore, in the present embodiment, lighting system 100 can be by the height of the penetrance of control beam splitter 122 It is low, to adjust the weight distribution for the different angle for exciting light beam of light combination 50C incidence light uniformization element 150.Specifically, at this In embodiment, selectively to the penetrance for the light for not having polarization polarity, (P wave polarization light transmittance and S wave are inclined for beam splitter 122 The average value of vibration light transmittance) between 10%~90%.Also, beam splitter 122 is also selectively for tool P polarization state Light penetrance between 10%~90%, or selectively to tool S-polarization state light penetrance between 10% Between~90%.In this way, polarization characteristic that visual exciting light has is controlled the penetrance of beam splitter 122, and to swash The penetrance that the beam 50 that shines penetrates beam splitter 122 can be between 10% to 90%.In this way, the splitting area of spectral module 120 The spectrophotometric result of SR (i.e. beam splitter 122) is more significant, and can effectively divide excitation beam 50 for different angle incident light Multiple light beams of uniformization element 150.

In addition, lighting system 100 can also be by light shared by the transmission region TR or splitting area SR for adjusting spectral module 120 The proportionate relationship of face OS area (i.e. the sum total of transmission region TR area and splitting area SR area), to adjust excitation light beam of light combination The weight distribution of the different angle of 50C incidence light uniformization element 150.For example, in the present embodiment, spectral module 120 Proportion of the transmission region TR on optical surface OS between 25% to 75%.When the transmission region TR of spectral module 120 exists When proportion on optical surface OS is between 25% to 75%, the transmission region TR or splitting area SR of spectral module 120 are extremely The 25% of few area for all occupying optical surface OS, in this way, the angle of excitation light beam of light combination 50C incidence light uniformization element 150 will 0.25 times of the angle of the incident light uniformization element 150 of an at least wavelength convert light beam 60 can be greater than, and be conducive to sharp to adjust Hair light beam of light combination 50C and an at least wavelength convert light beam 60 are formed by the uniformity of illuminating bundle 70.

To arrange in pairs or groups Fig. 4 A to Fig. 5 B below, further be explained.

Fig. 4 A to Fig. 4 F is the schematic diagram of the different frameworks of the spectral module of Fig. 1.Fig. 5 A is different of Fig. 1 from Fig. 5 B The distribution schematic diagram of one spot area and the second spot area.As shown in Fig. 1, Fig. 4 A to Fig. 4 F, in the present embodiment, reflector Part 123 is set parallel to each other with optical surface OS, and connection recombination dichroic elements 121 and the length of beam splitter 122 are on optical surface OS First length L, the shortest distance between reflecting element 123 and optical surface OS then the transmission region TR of visual spectral module 120 or The proportionate relationship of splitting area SR, and it is adjusted between 3/8ths of 1 to the first/8th length L of the first length L, Also, the ratio of the area of the area and optical surface OS on surface of the reflecting element 123 towards optical surface OS can also correspond to adjustment ground Between 25% to 75%.

For example, as shown in Figure 4 A, when the transmission region TR of spectral module 120 or splitting area SR occupy optical surface OS's When the ratio of area is all 50%, the shortest distance between reflecting element 123 and optical surface OS can for the first length L four/ One, and the ratio of the area of the area and optical surface OS on surface of the reflecting element 123 towards optical surface OS can be accordingly adjusted to 50%.

On the other hand, as shown in Fig. 4 B to Fig. 4 C, when the splitting area SR of spectral module 120 occupies the area of optical surface OS When ratio is 25%, the shortest distance between reflecting element 123 and optical surface OS can be between 1/8th to the of the first length L Between 3/8ths of one length L, and the area of the area on surface of the reflecting element 123 towards optical surface OS and optical surface OS Ratio can accordingly be adjusted to 25%.

On the other hand, as shown in Fig. 4 D to Fig. 4 F, when the splitting area SR of spectral module 120 occupies the area of optical surface OS When ratio is 75%, the shortest distance between reflecting element 123 and optical surface OS can be between 1/8th to the of the first length L Between 3/8ths of one length L, and the area of the area on surface of the reflecting element 123 towards optical surface OS and optical surface OS Ratio can be accordingly adjusted between 75% to 25%.

Furthermore, as shown in Fig. 5 A to Fig. 5 B, when reflecting element 123 and recombination dichroic elements 121 and 122 institute of beam splitter When the distance between optical surface OS of formation generates variation, the first sub- sub- excitation beam 50B of excitation beam 50A and second is in optically focused The size of spot area on element 140 and position can also generate variation, and can be used to control and adjust excitation light beam of light combination 50C Optical axis position and irradiation area range.

For example, as shown in Figure 5A, the first sub- excitation beam 50A can form the first facular area on collective optics 140 Domain SP1, and the second sub- excitation beam 50B forms the second spot area SP2, and the first spot area SP1 on collective optics 140 It does not overlap each other with the second spot area SP2.On the other hand, as shown in Figure 5 B, when reflecting element 123 is shifted near toward optical surface OS When, the second facular area of the sub- excitation beam 50B formation of the first spot area SP1 and second that the first sub- excitation beam 50A is formed Domain SP2 can be partially overlapped or is completely coincident.

Excite the distance between the optical axis of light beam of light combination 50C and the optical axis of collective optics 140 that can also be adjusted as a result,.It lifts For example, as shown in Fig. 5 A and Fig. 5 B, in the present embodiment, excitation light beam of light combination 50C has primary optic axis O1, collective optics 140 have the second optical axis O2, excite and have between the primary optic axis O1 of light beam of light combination 50C and the second optical axis O2 of collective optics 140 There is space D, and this space D is less than the half of the outer diameter R of collective optics 140.

In this way, the angle of excitation light beam of light combination 50C incidence light uniformization element 150 can be greater than an at least light wavelength conversion 0.25 times of the angle of the incident light uniformization element 150 of beam 60, and be conducive to adjust excitation light beam of light combination 50C and an at least wave Long commutating optical beam 60 is formed by the uniformity of illuminating bundle 70.

Referring once again to Fig. 1, Fig. 3 A and Fig. 3 B, as shown in Fig. 1, Fig. 3 A and Fig. 3 B, in the present embodiment, projection arrangement 200 further include filtration module 160, and filtration module 160 is located at the biography of excitation light beam of light combination 50C and an at least wavelength convert light beam 60 It passs on path, and there is filter area (not being painted) and transparent area (not being painted).Filtration module 160 further includes the second actuator MR2, For entering filter area (not being painted) accordingly in the range of exposures of wavelength convert light beam 60 in different time, with shape respectively At red coloured light and green coloured light.On the other hand, transparent area (not being painted) also can be accordingly into being passed in different time To the range of exposures of the excitation light beam of light combination 50C of filtration module 160, to form blue coloured light.In this way, can make to excite light combination Light beam 50C and commutating optical beam 60 are according to being sequentially converted into the illuminating bundle 70 with a variety of different colours.

It is worth noting that, in the present embodiment, filtration module 160 is for example positioned at collective optics 140 and light uniformization member Between part 150, but the utility model is not limited to this.In another embodiment not being painted, light uniformization element 150 also can position Between collective optics 140 and filtration module 160, in this way, excitation light beam of light combination 50C and an at least wavelength convert light beam 60 can be first It is homogenized via light uniformization element 150, and forms illuminating bundle 70 via filtration module 160 again, and pass illuminating bundle 70 It is handed to light valve 210.

Then, as shown in Figure 1, light valve 210 is located on the transmission path of illuminating bundle 70, and for by 70 turns of illuminating bundle Change image strip 80 into.Projection lens 220 is located on the transmission path of image strip 80 and for image strip 80 to be converted into Projected light beam 90 projects image strip 80 on screen (not being painted), to form image frame.Due to 70 meeting of illuminating bundle After gathering on light valve 210, the image strip 80 that illuminating bundle 70 is converted into different colours is sequentially transferred to projection lens by light valve 210 First 220, therefore, the image frame that the image strip 80 that light valve 210 is converted out is projected out just can become colour picture.

In this way, which projection arrangement 200 and lighting system 100 by the transmission region TR for using spectral module 120 and are divided The configuration of light area SR will make that the angle of light beam of light combination 50C incidence light uniformization element 150 is excited to turn greater than an at least wavelength 0.25 times for changing the angle of the incident light uniformization element 150 of light beam 60, and be conducive to adjust excitation light beam of light combination 50C at least One wavelength convert light beam 60 is formed by the uniformity of illuminating bundle 70, and it is good whereby to have the image frame being projected out Picture quality.

Fig. 6 A is the transmission region of another spectral module of Fig. 1 and the schematic diagram of splitting area.Fig. 6 B is point by Fig. 6 A The light path schematic diagram of the excitation beam of optical module.Please refer to Fig. 6 A, the spectral module 620 of the present embodiment and the spectral module of Fig. 1 120 is similar, and the difference of the two is as described below.In the present embodiment, the beam splitter 622 of spectral module 620 has the firstth area SR1 and the second area SR2, wherein the first area SR1 is between the second area SR2 and recombination dichroic elements 621, and the of beam splitter 622 It is coated with high reflection plated film on one area SR1, forms first for reflecting the excitation beam 50 passed over by wavelength convert module It is coated with high-penetration plated film on sub- excitation beam 50A, the second area SR2 of beam splitter 622, is transmitted for making by wavelength convert module The excitation beam 50 to come over penetrates and forms the second sub- excitation beam 50B, and is transferred to reflecting element 623.For example, at this In embodiment, excitation beam 50 penetrates the penetrance of the first area SR1 of beam splitter 622, and less than 5%, (i.e. reflectivity is greater than 95%) penetrance that, excitation beam 50 penetrates the second area SR2 of beam splitter 622 is greater than 95%.It should be noted that herein Numberical range is all used only as illustrating, and is not intended to limit the utility model.

In this way, when spectral module 620 is applied in the projection arrangement 200 of Fig. 1 and lighting system 100, it also can be by it The configuration of transmission region TR and splitting area SR, and the angle for exciting light beam of light combination 50C incidence light uniformization element 150 is greater than extremely 0.25 times of the angle of the incident light uniformization element 150 of a few wavelength convert light beam 60, and be conducive to adjust excitation light combination light Beam 50C and an at least wavelength convert light beam 60 are formed by the uniformity of illuminating bundle 70, and whereby draw the image being projected out Face has good picture quality, and lighting system 100 is made to achieve the effect that similar and advantage with projection arrangement 200, herein It repeats no more.

Fig. 7 is the configuration diagram of another lighting system of an embodiment of the present invention.Fig. 8 A is the illumination system of Fig. 7 The light path schematic diagram of the wavelength convert light beam of system.Fig. 8 B is the light path schematic diagram of the excitation beam of the lighting system of Fig. 7.It please refers to Fig. 7, the lighting system 700 of the present embodiment and the lighting system 100 of Fig. 1 are similar, and the difference of the two is as described below.In this implementation In example, spectral module 720 includes recombination dichroic elements 721 and beam splitter 722.Recombination dichroic elements 721 correspond to transmission region TR, are used for Reflect the excitation beam 50 from excitation light source 110, that is to say, that in the present embodiment, recombination dichroic elements 721 can reflection blue light Beam, and the light beam of other colors (such as red, green, yellow) is allowed to penetrate.In this way, which excitation beam 50 also can be via color separation Element 721 reflects and is incident to wavelength convert module 130.Then, as shown in Figure 8 A, in the present embodiment, wavelength convert is come from An at least wavelength convert light beam 60 for module 130 can pass through spectral module 720 and be transferred to collective optics 140 and light uniformization Element 150.

On the other hand, in the present embodiment, the beam splitter 722 of spectral module 720 corresponds to splitting area SR, and is divided member Part 722 is partial penetration part reflecting element, and is used to make the part of excitation beam 50 to form the first sub- excitation beam 50A, separately A part forms the second sub- excitation beam 50B.Therefore, as shown in Figure 8 B, the echo area RR's from wavelength convert module 130 is sharp The beam 50 that shines can be respectively formed the first sub- sub- excitation beam 50B of excitation beam 50A and second via beam splitter 722.More For body, as shown in Figure 8 B, in the present embodiment, the first sub- excitation beam 50A element 722 that is split reflexes to recombination dichroic elements 721, then via recombination dichroic elements 721 reflection and be transferred to collective optics 140, and the second sub- excitation beam 50B is incident to optically focused Element 140 and light uniformization element 150.

In this way, lighting system 700 also can be by the transmission region TR (i.e. recombination dichroic elements 721) of spectral module 720 and splitting area The configuration of SR (i.e. beam splitter 722), and the angle for exciting light beam of light combination 50C incidence light uniformization element 150 is greater than extremely 0.25 times of the angle of the incident light uniformization element 150 of a few wavelength convert light beam 60, and be conducive to adjust excitation light combination light Beam 50C and an at least wavelength convert light beam 60 are formed by the uniformity of illuminating bundle 70, and can reach and be with illumination above-mentioned It unites 100 similar effects and advantage, details are not described herein again.Also, when lighting system 700 is applied to projection arrangement above-mentioned When 200, also projection arrangement 200 can be made to achieve the effect that similar and advantage, and make the image frame being projected out that there is good picture Face quality, details are not described herein again.

In conclusion the embodiments of the present invention at least have effects that following one of advantage or.It is practical new at this In the embodiment of type, projection arrangement and lighting system, will by the configuration for the transmission region and splitting area for using spectral module So that the angle of excitation light beam of light combination incidence light uniformization element is greater than an at least wavelength convert light beam incident light uniformization element 0.25 times of angle, and be conducive to adjust excitation light beam of light combination and an at least wavelength convert light beam and be formed by illuminating bundle The uniformity, and make whereby the image frame being projected out have good picture quality.

Only as described above, the only preferred embodiment of the utility model, when the utility model cannot be limited with this The range of implementation, i.e., all simple equivalence changes made according to the utility model claims book and utility model content with repair Change, all still belongs in the range that the utility model patent covers.In addition any embodiment or claim of the utility model are not necessary to Reach the disclosed whole purpose of the utility model or advantage or feature.In addition, abstract and utility model title be intended merely to it is auxiliary It helps patent document retrieval to be used, not is used to limit the interest field of the utility model.In addition, this specification or claims In refer to " first ", the terms such as " second " are only to name the title or the different embodiments of difference or model of element (element) It encloses, and is not used to the quantitative upper limit of restriction element or lower limit.

Description of symbols:

50: excitation beam

50A: the first sub- excitation beam

50B: the second sub- excitation beam

50C: excitation light beam of light combination

60: wavelength convert light beam

70: illuminating bundle

80: image strip

90: projected light beam

100,700: lighting system

110: excitation light source

120,620,720: spectral module

121,721: recombination dichroic elements

122,722: beam splitter

123,623: reflecting element

130: wavelength convert module

140: collective optics

150: light uniformization element

160: filtration module

200: projection arrangement

210: light valve

220: projection lens

D: spacing

L: the first length

MR1: the first actuator

MR2: the second actuator

OS: optical surface

O1: primary optic axis

O2: the second optical axis

SP1: the first spot area

SP2: the second spot area

SR: splitting area

SR1: the first area

SR2: the second area

TR: transmission region

R: outer diameter

RR: echo area

WR: wavelength-converting region.

Claims (26)

1. a kind of lighting system, which is characterized in that the lighting system is for providing illuminating bundle, and the lighting system includes Excitation light source, wavelength convert module, spectral module and light uniformization element, in which:

The excitation light source is for issuing excitation beam；

The wavelength convert module is located on the transmission path of the excitation beam, has an at least wavelength-converting region and reflection Area；

The spectral module is located on the transmission path of the excitation beam and is located at the excitation light source and the wavelength convert Between module, wherein the spectral module has transmission region and splitting area, the excitation beam is incident via the transmission region To the wavelength convert module, wherein the exciting light is cut in an at least wavelength-converting region described in the wavelength convert module When on the transmission path of beam, the excitation beam is converted into via an at least wavelength-converting region described in the wavelength convert module An at least wavelength convert light beam, and when the transmitting road of the excitation beam is cut in the echo area of the wavelength convert module When on diameter, the excitation beam is reflected by the echo area of the wavelength convert module, and comes from the wavelength convert mould The excitation beam of the echo area of block via the spectral module the splitting area formed the first sub- excitation beam with Second sub- excitation beam, wherein the first sub- excitation beam forms excitation light beam of light combination with the described second sub- excitation beam；With And

The light uniformization element is located on the excitation light beam of light combination and at least transmission path of a wavelength convert light beam, For homogenizing the excitation light beam of light combination and an at least wavelength convert light beam, and described in excitation light beam of light combination incidence The angle of light uniformization element is greater than the 0.25 of the angle of the incident light uniformization element of an at least wavelength convert light beam Times.

2. lighting system according to claim 1, which is characterized in that the spectral module includes:

Recombination dichroic elements correspond to the transmission region；

Beam splitter is connected to the recombination dichroic elements, and corresponds to the splitting area, wherein the first sub- excitation beam is divided Optical element reflexes to the light uniformization element；And

Reflecting element, on the transmission path of the described second sub- excitation beam, wherein the second sub- excitation beam is described Reflecting element reflexes to the light uniformization element.

3. lighting system according to claim 2, which is characterized in that the beam splitter is the reflector of partial penetration part Part, for making the part of the excitation beam form the described first sub- excitation beam, another part forms the second son excitation Light beam.

4. lighting system according to claim 2, which is characterized in that the beam splitter has the firstth area and the secondth area, Wherein firstth area is plated between secondth area and the recombination dichroic elements, and in firstth area of the beam splitter Have high reflection plated film, form the described first sub- excitation beam for reflecting the excitation beam, the beam splitter it is described It is coated with high-penetration plated film in secondth area, forms the described second sub- excitation beam for penetrating the excitation beam.

5. lighting system according to claim 2, which is characterized in that the excitation beam penetrates wearing for the beam splitter Saturating rate is between 10% to 90%.

6. lighting system according to claim 2, which is characterized in that the recombination dichroic elements are put down altogether with the beam splitter Face, and optical surface, and institute is collectively formed in face of the surface of the wavelength convert module in the recombination dichroic elements and the beam splitter Proportion of the transmission region on the optical surface is stated between 25% to 75%.

7. lighting system according to claim 6, which is characterized in that the reflecting element is put down each other with the optical surface Row, and set the length that the recombination dichroic elements and the beam splitter are connected on the optical surface as the first length, the reflector The shortest distance between part and the optical surface between first length 1/8th to first length eight/ Between three.

8. lighting system according to claim 7, which is characterized in that surface of the reflecting element towards the optical surface Area and the optical surface area ratio between 25% to 75%.

9. lighting system according to claim 1, which is characterized in that further include collective optics, be located at first son and swash It shines on beam, the second sub- excitation beam and at least transmission path of a wavelength convert light beam, wherein first son Excitation beam forms the excitation light beam of light combination via the collective optics with the described second sub- excitation beam.

10. lighting system according to claim 9, which is characterized in that the excitation light beam of light combination has primary optic axis, institute Collective optics are stated with the second optical axis, the primary optic axis and described the second of the collective optics of the excitation light beam of light combination There is spacing, and the spacing is less than the half of the outer diameter of the collective optics between optical axis.

11. lighting system according to claim 9, which is characterized in that the first sub- excitation beam is in the optically focused member The first spot area is formed on part, the second sub- excitation beam forms the second spot area, and institute on the collective optics The first spot area is stated to partially overlap or be completely coincident with second spot area.

12. lighting system according to claim 9, which is characterized in that the first sub- excitation beam is in the optically focused member The first spot area is formed on part, the second sub- excitation beam forms the second spot area, and institute on the collective optics The first spot area is stated not overlap each other with second spot area.

13. lighting system according to claim 1, which is characterized in that the spectral module includes:

Recombination dichroic elements correspond to the transmission region, and the recombination dichroic elements are for reflecting the excitation beam；And

Beam splitter corresponds to the splitting area, for making the part of the excitation beam form the described first sub- excitation beam, Another part forms the described second sub- excitation beam, wherein the first sub- excitation beam reflexed to by the beam splitter it is described Recombination dichroic elements, then it is transferred to the light uniformization element via the recombination dichroic elements, and the second sub- excitation beam is incident to The light uniformization element.

14. a kind of projection arrangement, which is characterized in that the projection arrangement includes lighting system, light valve and projection lens, In:

The lighting system is used to provide illuminating bundle, and equal including excitation light source, wavelength convert module, spectral module and light Homogenize element, in which:

The excitation light source is for issuing excitation beam；

The wavelength convert module is located on the transmission path of the excitation beam, has an at least wavelength-converting region and reflection Area；

The spectral module is located on the transmission path of the excitation beam, and is located at the excitation light source and the wavelength convert Between module, wherein the spectral module has transmission region and splitting area, the excitation beam is incident via the transmission region To the wavelength convert module, wherein the exciting light is cut in an at least wavelength-converting region described in the wavelength convert module When on the transmission path of beam, the excitation beam is converted into via an at least wavelength-converting region described in the wavelength convert module An at least wavelength convert light beam, and when the transmitting road of the excitation beam is cut in the echo area of the wavelength convert module When on diameter, the excitation beam is reflected by the echo area of the wavelength convert module, and comes from the wavelength convert mould The excitation beam of the echo area of block via the spectral module the splitting area formed the first sub- excitation beam with Second sub- excitation beam, wherein the first sub- excitation beam forms excitation light beam of light combination with the described second sub- excitation beam；With And

The light uniformization element is located on the excitation light beam of light combination and at least transmission path of a wavelength convert light beam, For homogenizing the excitation light beam of light combination and an at least wavelength convert light beam, and described in excitation light beam of light combination incidence The angle of light uniformization element is greater than the 0.25 of the angle of the incident light uniformization element of an at least wavelength convert light beam Times；

The light valve is located on the transmission path of the illuminating bundle, and for the illuminating bundle to be converted into image strip； And

The projection lens is located on the transmission path of the image strip, and for the image strip to be converted into projected light Beam.

15. projection arrangement according to claim 14, which is characterized in that the spectral module includes:

Recombination dichroic elements correspond to the transmission region；

Beam splitter is connected to the recombination dichroic elements, and corresponds to the splitting area, wherein the first sub- excitation beam is divided Optical element reflexes to the light uniformization element；And

Reflecting element, on the transmission path of the described second sub- excitation beam, wherein the second sub- excitation beam is described Reflecting element reflexes to the light uniformization element.

16. projection arrangement according to claim 15, which is characterized in that the beam splitter is the reflection of partial penetration part Element, for making the part of the excitation beam form the described first sub- excitation beam, another part forms second son and swashs Shine beam.

17. projection arrangement according to claim 15, which is characterized in that the beam splitter has the firstth area and second Area, wherein firstth area is between secondth area and the recombination dichroic elements, and firstth area of the beam splitter On be coated with high reflection plated film, form the described first sub- excitation beam for reflecting the excitation beam, the beam splitter It is coated with high-penetration plated film in secondth area, forms the described second sub- excitation beam for penetrating the excitation beam.

18. projection arrangement according to claim 15, which is characterized in that the excitation beam penetrates the beam splitter Penetrance is between 10% to 90%.

19. projection arrangement according to claim 15, which is characterized in that the recombination dichroic elements are put down altogether with the beam splitter Face, and optical surface, and institute is collectively formed in face of the surface of the wavelength convert module in the recombination dichroic elements and the beam splitter Proportion of the transmission region on the optical surface is stated between 25% to 75%.

20. projection arrangement according to claim 19, which is characterized in that the reflecting element is put down each other with the optical surface Row, and set the length that the recombination dichroic elements and the beam splitter are connected on the optical surface as the first length, the reflector The shortest distance between part and the optical surface between first length 1/8th to first length eight/ Between three.

21. projection arrangement according to claim 20, which is characterized in that table of the reflecting element towards the optical surface The ratio of the area of the area in face and the optical surface is between 25% to 75%.

22. projection arrangement according to claim 14, which is characterized in that further include collective optics, be located at first son On excitation beam, the second sub- excitation beam and at least transmission path of a wavelength convert light beam, wherein described first Sub- excitation beam forms the excitation light beam of light combination via the collective optics with the described second sub- excitation beam.

23. projection arrangement according to claim 22, which is characterized in that the excitation light beam of light combination has primary optic axis, The collective optics have the second optical axis, and described the of the primary optic axis of the excitation light beam of light combination and the collective optics There is spacing, and the spacing is less than the half of the outer diameter of the collective optics between two optical axises.

24. projection arrangement according to claim 22, which is characterized in that the first sub- excitation beam is in the optically focused member The first spot area is formed on part, the second sub- excitation beam forms the second spot area, and institute on the collective optics The first spot area is stated to partially overlap or be completely coincident with second spot area.

25. projection arrangement according to claim 22, which is characterized in that the first sub- excitation beam is in the optically focused member The first spot area is formed on part, the second sub- excitation beam forms the second spot area, and institute on the collective optics The first spot area is stated not overlap each other with second spot area.

26. projection arrangement according to claim 14, which is characterized in that the spectral module includes:

Recombination dichroic elements correspond to the transmission region, and the recombination dichroic elements are for reflecting the excitation beam；And

Beam splitter corresponds to the splitting area, for making the part of the excitation beam form the described first sub- excitation beam, Another part forms the described second sub- excitation beam, wherein the first sub- excitation beam reflexed to by the beam splitter it is described Recombination dichroic elements, then it is transferred to the light uniformization element via the recombination dichroic elements, and the second sub- excitation beam is incident to The light uniformization element.