CN206991012U - A kind of projection lighting optical path and its projection arrangement - Google Patents
A kind of projection lighting optical path and its projection arrangement Download PDFInfo
- Publication number
- CN206991012U CN206991012U CN201720548535.1U CN201720548535U CN206991012U CN 206991012 U CN206991012 U CN 206991012U CN 201720548535 U CN201720548535 U CN 201720548535U CN 206991012 U CN206991012 U CN 206991012U
- Authority
- CN
- China
- Prior art keywords
- light source
- light beam
- blue
- led light
- dichronic mirror
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 112
- 239000000843 powder Substances 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 238000004020 luminiscence type Methods 0.000 claims abstract description 20
- KPHWPUGNDIVLNH-UHFFFAOYSA-M diclofenac sodium Chemical compound [Na+].[O-]C(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl KPHWPUGNDIVLNH-UHFFFAOYSA-M 0.000 claims description 140
- 230000005540 biological transmission Effects 0.000 claims description 37
- 241001062009 Indigofera Species 0.000 claims description 7
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229910002114 biscuit porcelain Inorganic materials 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model provides a kind of projection lighting optical path and its projection arrangement, including：Blue led light source and the first collimation lens set；Red LED light source and the second collimation lens set；Green LED light source and the 3rd collimation lens set；Blue laser light source and the 4th collimation lens set；Color separation microscope group；Fly's-eye lens；And prism group；The prism group includes：First prism and the second right-angle prism；The green LED light source surface carries phosphor powder layer, and blue laser beams caused by blue laser light source are irradiated to green LED light source excitated fluorescent powder layer after the one of face total reflection right-angle surface reflection of the first prism and produce green fluorescence light beam；In the utility model, blue laser beams incide green LED light source surface after the one of face total reflection of the first prism and produce green fluorescence light beam with the opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of green LED light source itself, it greatly strengthen green-light source brightness, and structure setting is flexible, compact in design, projection light source brightness is enhanced, improves projection quality.
Description
Technical field
The utility model is related to digital projection display technology field, more specifically to a kind of projection lighting optical path and
Its projection arrangement.
Background technology
In Projection Display product, projection display light source is highly important part.The function of projection light source apparatus is
As much as possible by the distribution of wide-angle that light beam is sent, shape differ, the illuminating ray of brightness not etc., be converted to and be irradiated to display
The uniform light spots of chip effective coverage, realize projection display picture uniformly, bright.Projection module will be applied preferably,
The more preferable visual enjoyment of user is brought it is necessary under the premise of keeping projecting light path's design to be concisely and efficiently, meet that size is small, light loss
Consume low and strengthen intensity of illumination and make that there is high light output, this, which also turns into those skilled in the art, technical problem to be solved
One of.
At present, usually combined, excited using blue laser light source green on colour wheel using blue laser source and LED light source
Color fluorescent material produces green-light source to improve the brightness of projection light source；As shown in figure 1, blue laser light source 1 excites through transmission
The chromogenic green light source of phosphor powder layer on colour wheel 7, then carry out closing light with red LED light source 8 and blue led light source 14；Or
The green LED light source with phosphor powder layer that is blue laser light source direct irradiation improves the brightness of projection light source；Such as Fig. 2 institutes
Show, LD systems are irradiated to the chromogenic green fluorescence of excitated fluorescent powder layer on green LED light source after transmission, green fluorescence light beam with it is green
Color LED beam closing light enters next Optical devices.But using the method for exciting the chromogenic green light source of the phosphor powder layer on colour wheel
Because high speed rotation is also easy to produce halo effect, image is unstable, and image quality is poor；And excitated fluorescent powder layer is directly transmitted using LD systems
Method then because the position of light source sets relatively limited, underaction, it is also not compact enough in structure.For these reasons, it is a kind of
Influence of the colour wheel to projection image quality, and flexible layout can be overcome, the bright projection lighting optical path of compact-sized enhancing turns into this
One of the research emphasis in field.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology..
Utility model content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of simple and reasonable, compact in design, bright
Degree is high, the good enhancing of projection quality bright projection lighting optical path and its projection arrangement.
To achieve the above object, the utility model provides a kind of projection lighting optical path, including：For producing blue light beam
Blue led light source and the first collimation lens set for being arranged at immediately ahead of blue LED light source light path；For producing red beam
Red LED light source and the second collimation lens set for being arranged at immediately ahead of red LED light source light path；Green LED light source and
The 3rd collimation lens set being arranged on immediately ahead of green LED light source light path；Blue laser light source and it is arranged at blue laser light
The 4th collimation lens set immediately ahead of source light path；Color separation microscope group；Fly's-eye lens；And prism group；Wherein, the prism group bag
Include：First prism and the second right-angle prism；The green LED light source surface carries phosphor powder layer, produced by blue laser light source
Blue laser beams through the first prism one of face total reflection after incide green LED light source surface and green LED light
Green fluorescence light beam is produced from the opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of body；Via the color separation microscope group
Blue light beam, red beam and the green fluorescence light beam synthesis white light beam for transmiting and/or reflecting with prism group.
Preferably, the color separation microscope group includes：Parallel or vertically disposed first dichronic mirror and the second dichronic mirror；Described
One prism is right-angle prism, is arranged on the emitting light path of blue laser light beam, for be totally reflected blue laser light beam and by its
It is incident to green LED light source；Second dichronic mirror is arranged at the blue led light source, the emitting light path of green LED light source
On, for transmiting green fluorescence light beam or reflection blue light beam；First dichronic mirror is arranged at the red LED light source, with
And on the green fluorescence light beam and the light path of the outgoing beam of blue light beam for transmiting and reflecting through the second dichronic mirror, it is red for reflecting
Color beam, transmitting blue light beam and green fluorescence light beam；Blue laser beams are after the slant reflection of the first prism, through compound eye
Lens homogenize, then incide green LED light source surface and green LED light source certainly through the first dichronic mirror and the transmission of the second dichronic mirror
The opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of body produces green fluorescence light beam；The green fluorescence light beam via
First dichronic mirror and the transmission of the second dichronic mirror；The blue light beam is via the second dichroic mirror and incides first color separation
On mirror, transmitted via first dichronic mirror；The red beam is via the first dichroic mirror；The blue light beam, it is red
Light beam and green fluorescence light beam form white light beam through the first dichroic mirror and transmission closing light and are emitted.
Preferably, the central optical axis of the red LED light source, the central optical axis of blue led light source and blue laser light
The central optical axis in source are parallel, vertical with the central optical axis of green LED light source；First dichronic mirror and the second dichronic mirror with it is red
The angle in the central optical axis direction of color LED light source, blue led light source, green LED light source and blue laser light source is 45 °；
The central optical axis of the green LED light source overlap with the central optical axis of fly's-eye lens.
Preferably, the color separation microscope group includes：Parallel or vertically disposed 3rd dichronic mirror and the 4th dichronic mirror；Described
One prism is right-angle prism, is arranged on the emitting light path of blue laser light beam, for reflecting blue laser light beam；Described 3rd
Dichronic mirror is arranged at the blue led light source, on the emitting light path of red LED light source, for transmission or reflection blue light beam and
Red beam, to blue light beam and red beam closing light；4th dichronic mirror is arranged at the green LED light source, Yi Jijing
In the light path of the outgoing beam of the red beam and blue light beam of the transmission of 3rd dichronic mirror and reflection, for transmiting green fluorescence light
Beam, reflection blue light beam and red beam；Blue laser beams are uniform through fly's-eye lens after the inclined-plane total reflection of the first prism
Change, then incided through the transmission of the 4th dichronic mirror caused by the luminescence chip of green LED light source surface and green LED light source itself
The opposite excitated fluorescent powder layer of light beam produces green fluorescence light beam；The green fluorescence light beam transmits via the 4th dichronic mirror；It is described
Blue light beam and red beam are via closing light after the 3rd dichronic mirror transmission or reflection and via the 4th dichroic mirror；It is described
Blue light beam, red beam and green fluorescence the light beam closing light after the 4th dichronic mirror transmits and reflects form white light beam outgoing.
Preferably, the central optical axis of the red LED light source and the central optical axis of green LED light source are parallel, and with indigo plant
The central optical axis of color LED light source and the central optical axis of blue laser light source are vertical；Or the central optical axis of the blue led light source
It is parallel with the central optical axis of green LED light source, and with the central optical axis of red LED light source and the center light of blue laser light source
Axle is vertical；3rd dichronic mirror and the 4th dichronic mirror and red LED light source, blue led light source, green LED light source and indigo plant
The angle in the central optical axis direction of color LASER Light Source is 45 °；In the central optical axis and fly's-eye lens of the green LED light source
Heart optical axis coincidence.
Preferably, the color separation microscope group includes：The 5th dichronic mirror be arrangeding in parallel and the 6th dichronic mirror, and the first wedge shape
Prism；First prism is non-straight angle prism, is arranged on the emitting light path of blue laser light beam, for reflecting blue laser
Light beam；5th dichronic mirror is arranged at the blue led light source, on the emitting light path of red LED light source, for transmiting or anti-
Blue light beam and red beam are penetrated, and carries out closing light；6th dichronic mirror is arranged at the green LED light source, and through
In the light path of the outgoing beam of the red beam and blue light beam of the transmission of five dichronic mirrors and reflection, for reflection green fluorescent light beam
And blue light beam and red beam after blue laser beams, and the 3rd dichronic mirror closing light of transmission；First prism wedge
It is arranged in the light path of the blue laser light beam through the first prismatic reflection, including the first reflecting surface and the second reflecting surface, described
One reflecting surface and the second reflecting surface are non-parallel, and first reflecting surface is used for reflection red light beam, blue light beam and the green
Fluorescent light beam, second reflecting surface are used to reflect blue laser light beam；First its through the first prism of the blue laser beams
In after the total reflection of face, incide the second reflecting surface of first prism wedge, then through first prism wedge second
Reflective surface incides the 6th dichronic mirror, and green LED light source surface and green LED are incided through the 6th dichroic mirror
The opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of light source itself produces green fluorescence light beam；The green fluorescence light
Beam is via the 6th dichroic mirror；The blue light beam and red beam are via closing light after the 5th dichronic mirror transmission or reflection and pass through
Transmitted by the 6th dichronic mirror；The blue light beam, red beam and green fluorescence light beam are through the transmission of the 6th dichronic mirror and instead
Penetrate rear closing light formation white light beam and incide first prism wedge, and the first reflecting surface through first prism wedge is anti-
It is emitted after penetrating.
Preferably, the central optical axis of the red LED light source and the central optical axis of green LED light source are parallel, with blueness
The central optical axis of LED light source and the central optical axis of blue laser light source are vertical, or the central optical axis of the blue led light source with
The central optical axis of green LED light source are parallel, hung down with the central optical axis of red LED light source and the central optical axis of blue laser light source
Directly；5th dichronic mirror and the 6th dichronic mirror and red LED light source, blue led light source, green LED light source and blueness swash
The angle of the central optical axis of radiant is 45 °.
Preferably, the color separation microscope group includes：7th dichronic mirror, and the second prism wedge；First prism is non-
Right-angle prism, it is arranged on the emitting light path of blue laser light beam, for reflecting blue laser light beam；7th dichronic mirror is set
The blue led light source is placed in, on the emitting light path of red LED light source, for transmission or reflection blue light beam and red beam
And carry out closing light；Second prism wedge is arranged in the light path of the blue laser light beam through the first prismatic reflection, including the
Three reflectings surface and the 4th reflecting surface, the 3rd reflecting surface and the 4th reflecting surface are non-parallel, the 3rd reflecting surface be used for thoroughly or
Red beam, blue light beam and the reflection green fluorescence light beam are reflected, the 4th reflecting surface is used for saturating or refraction red light
Beam, blue light beam, and reflect blue laser light beam；The blue laser beams first one of face total reflection through the first prism
Afterwards, the 4th reflecting surface of second prism wedge is incided, then it is incident through the reflective surface of the second prism wedge the 4th
Produced to the opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of green LED light source surface and green LED light source itself
Green fluorescence light beam；The green fluorescence light beam via the second prism wedge the 3rd reflective surface；The blue light beam and
Red beam is via closing light after the 7th dichronic mirror transmission or reflection and via the 3rd reflecting surface of second prism wedge and
Four reflectings surface transmit；The 3rd reflecting surface of the blue light beam, red beam and green fluorescence light beam through the second prism wedge is saturating
Closing light forms white light beam outgoing after penetrating and reflecting.
According to another embodiment of the present utility model, a kind of projection arrangement is additionally provided, it includes above-mentioned projection lighting
Light path, in addition to：Display chip and projection lens group.
Preferably, blue light beam, red beam and the green fluorescence light for transmiting and/or reflecting via the color separation microscope group
After Shu Hecheng white light beams enter fly's-eye lens homogenization, then by the first prism and the second right-angle prism incide display core
Piece；The display chip is parallel with a right-angle side of the second right-angle prism.
Compared with prior art, the utility model has the advantages that：A kind of projection lighting optical path, including:Blueness
LED light source and the first collimation lens set；Red LED light source and the second collimation lens set；Green LED light source and the 3rd
Collimation lens set；Blue laser light source and the 4th collimation lens set；Color separation microscope group；Fly's-eye lens；And prism group；The rib
Microscope group includes：First prism and the second right-angle prism；The green LED light source surface carries phosphor powder layer, blue laser light source
Caused blue laser beams are irradiated to green LED light source table after the one of face total reflection right-angle surface reflection of the first prism
Face produces green fluorescence light beam with the opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of green LED light source itself；This
In utility model, blue laser light source excites green LED light source surface and green after the one of face total reflection of the first prism
The opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of LED light source itself produces green fluorescence light beam, greatly strengthen
Green-light source brightness, enhance projection light source brightness；And due to the setting of dichronic mirror and prism so that simple and reasonable, cloth
Office is compact, and structure setting can be flexible and changeable, greatly strengthen the brightness of green-light source, improves projection quality, solves projection
The problem of light-source brightness deficiency in light supply apparatus.
Brief description of the drawings
Fig. 1 is the projection light source structure chart that prior art iridescent wheel construction excites；
Fig. 2 is the projector optical system that prior art phosphor powder layer directly excites；
Fig. 3 is the structural representation of projection lighting optical path embodiment one of the present utility model；
Fig. 4 is the structural representation of projection lighting optical path embodiment two of the present utility model；
Fig. 5 is the structural representation of projection lighting optical path embodiment three of the present utility model；
Fig. 6 is the structural representation of projection lighting optical path example IV of the present utility model；
Fig. 7 is the projection arrangement structural representation corresponding to projection lighting optical path embodiment one of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
Fig. 3 is the structural representation of projection lighting optical path embodiment one of the present utility model；As shown in figure 3, according to this reality
With the projection lighting optical path of new embodiment, including：For producing the blue led light source 101 of blue light beam and setting
The first collimation lens set 102 being placed in immediately ahead of the light path of blue led light source 101；For producing the red LED light source of red beam
103 and the second collimation lens set 104 for being arranged at immediately ahead of the light path of red LED light source 103；For producing green LED light beam
Green LED light source 105 and the 3rd collimation lens set 106 that is arranged on immediately ahead of the light path of green LED light source 105；Blueness swashs
Radiant 107 and the 4th collimation lens set 108 being arranged at immediately ahead of the light path of blue laser light source 107；Color separation microscope group；Compound eye
Lens 111；And prism group.
Wherein, in the utility model embodiment, the green LED light source 105 includes：LED luminescence chips and luminescence chip
The phosphor powder layer on surface；Color separation microscope group includes:First dichronic mirror 109 and the second dichronic mirror 110；Fly's-eye lens 111；And prism
Group；Wherein, the prism group includes：First prism 112 and the second right-angle prism 113, first prism 112 are right-angled edge
Mirror；The surface of green LED light source 105 carries phosphor powder layer, and blue laser beams caused by blue laser light source 107 are through
The luminescence chip institute on the surface of green LED light source 105 and green LED light source 105 itself is incided after the total reflection of the inclined-plane of one prism 112
The opposite excitated fluorescent powder layer of caused light beam produces green fluorescence light beam, green fluorescence light beam with produced by green LED light source 105
Green LED light beam closing light formed green fluorescence light beam.
In the present embodiment, the dichronic mirror 110 of the first dichronic mirror 109 and second is vertically arranged；First prism is
112 right-angle prisms, it is arranged on the emitting light path of blue laser light beam, for reflecting blue laser light beam and being incident to green
Color LED light source 105；Second dichronic mirror 110 is arranged at the blue led light source 101, the outgoing of green LED light source 105
In light path, for transmiting green fluorescence light beam or reflection blue light beam.
First dichronic mirror 109 is arranged at the red LED light source 103, and transmits and reflect through the second dichronic mirror
Green fluorescence light beam and blue light beam outgoing beam light path on, for reflection red light beam, transmitting blue light beam and green
Color fluorescent light beam.
The inclined-plane of blue laser beams (blue led light beam is different with blue laser beams wavelength) through the first prism 109 is complete
After reflection, homogenized through fly's-eye lens 111, then green LED is incided through the first dichronic mirror 109 and the transmission of the second dichronic mirror 110
The surface of light source 105 produces green with the opposite excitated fluorescent powder layer of light beam caused by green LED light source 105 luminescence chip of itself
Fluorescent light beam；The green fluorescence light beam transmits via the first dichronic mirror 109 and the second dichronic mirror 110.
The blue light beam reflects and incided on first dichronic mirror 109 via the second dichronic mirror 110, via described
First dichronic mirror 109 transmits.
The red beam reflects via the first dichronic mirror 109.
The blue light beam, red beam and green fluorescence light beam reflect and transmitted closing light through the first dichronic mirror 109 and formed
White light beam is emitted.
The central optical axis of the red LED light source 103, the central optical axis and blue laser light source of blue led light source 101
107 central optical axis are parallel, vertical with the central optical axis of green LED light source 105.
In the present embodiment, the angle of the dichronic mirror 110 of the first dichronic mirror 109 and second is 90 °；First color separation
The angle of the dichronic mirror 110 of mirror 109 and second is 90 °；The dichronic mirror 110 of first dichronic mirror 109 and second and red LED light source
103, blue led light source 101, the angle of the central optical axis of green LED light source 105 and blue laser light source is 45 °；It is described
The central optical axis of green LED light source 105 overlap with the central optical axis of fly's-eye lens 111.
Wherein, the dichronic mirror 110 of the first dichronic mirror 109 and second is not limited to be vertically arranged, can also be according to specific
The putting position of light supply apparatus be arranged in parallel.
Wherein, the position of the blue led light source 101 and red LED light source 103 can mutually be exchanged, as long as can guarantee that
Red beam and blue light beam after dichronic mirror transmits and reflects can be gone out in one direction with green fluorescence light beam with closing light
Penetrate.
It is worth noting that, in the present embodiment, blue laser beams caused by the blue laser light source 107 and indigo plant
Blue light beam wavelength caused by color LED light source 101 is different, thus the second dichronic mirror 110 can with transmitting blue laser beam but
It is reflection blue light beam.
Fig. 4 is the structural representation of projection lighting optical path embodiment two of the present utility model；As shown in figure 4, according to this reality
With the projection lighting optical path of new embodiment, including：For producing the blue led light source 201 of blue light beam and setting
The first collimation lens set 202 being placed in immediately ahead of the light path of blue led light source 201；For producing the red LED light source of red beam
203 and the second collimation lens set 204 for being arranged at immediately ahead of the light path of red LED light source 203；For producing green LED light beam
Green LED light source 205 and the 3rd collimation lens set 206 that is arranged on immediately ahead of the light path of green LED light source 205；Blueness swashs
Radiant 207 and the 4th collimation lens set 208 being arranged at immediately ahead of the light path of blue laser light source 207；Color separation microscope group；Compound eye
Lens 211；And prism group.
Unlike embodiment one, in embodiment two, the color separation microscope group includes：The 3rd dichronic mirror be arrangeding in parallel
209 and the 4th dichronic mirror 210；3rd dichronic mirror 209 is arranged at the blue led light source 201, red LED light source 203
On emitting light path, for transmission or reflection blue light beam and red beam, to blue light beam and red beam closing light.
4th dichronic mirror 210 is arranged at the green LED light source 205, and transmits and reflect through the 3rd dichronic mirror
Red beam and blue light beam outgoing beam light path on, for transmiting green fluorescence light beam, reflection blue light beam and red
Color beam.
The prism group includes：First prism 212 and the second right-angle prism 213, first prism 212 are right-angled edge
Mirror, it is arranged on the emitting light path of blue laser light beam 207, for reflecting blue laser light beam 207.
Blue laser beams 207 homogenize after the inclined-plane total reflection of the first prism 212 through fly's-eye lens 211, then through the
The transmission of four dichronic mirrors 210 is incided caused by the surface of green LED light source 205 and green LED light source 205 luminescence chip of itself
The opposite excitated fluorescent powder layer of light beam produces green fluorescence light beam；The green fluorescence light beam transmits via the 4th dichronic mirror 210.
The blue light beam and red beam are via closing light after the transmission or reflection of the 3rd dichronic mirror 209 and via the described 4th
Dichronic mirror 210 reflects.
The blue light beam, red beam and green fluorescence the light beam closing light after the 4th dichronic mirror transmits and reflects form white
Light beam exit.
In the present embodiment, the central optical axis of the central optical axis and green LED light source 205 of the red LED light source 203 are put down
OK, it is vertical with the central optical axis of blue led light source 201 and the central optical axis of blue laser light source 207；3rd dichronic mirror
209 and the 4th the angle of dichronic mirror 210 and horizontal direction be 45 °；The central optical axis and compound eye of the green LED light source 205
The central optical axis of lens 211 overlap.
Wherein, the 3rd dichronic mirror 209 and the 4th dichronic mirror 210 are not limited to be arranged in parallel, can also be according to specific
The putting position of light supply apparatus is vertically arranged.
Wherein, the position of the blue led light source 201 and red LED light source 203 can mutually be exchanged, as long as can guarantee that
Red beam and blue light beam after dichronic mirror transmits and reflects can be gone out in one direction with green fluorescence light beam with closing light
Penetrate.If the position of the blue led light source 201 and red LED light source 203 is mutually exchanged, the blue led light source
201 central optical axis and the central optical axis of green LED light source 205 be arranged in parallel, the central optical axis with red LED light source 203
It is vertical with the central optical axis of blue excitation light source 207.
Fig. 5 is the structural representation of projection lighting optical path embodiment three of the present utility model；As shown in figure 5, according to this reality
With the projection lighting optical path of new embodiment, including：For producing the blue led light source of blue light beam and being arranged at
The first collimation lens set immediately ahead of blue LED light source light path；For producing the red LED light source of red beam and being arranged at
The second collimation lens set immediately ahead of red LED light source light path；For produce green LED light beam green LED light source 305 and
The 3rd collimation lens set being arranged on immediately ahead of the light path of green LED light source 305；Blue laser light source 307 and it is arranged at blueness
The 4th collimation lens set immediately ahead of the light path of LASER Light Source 307；Color separation microscope group；Fly's-eye lens 311；And prism group.
Unlike embodiment one and embodiment two, the color separation microscope group includes：The 5th dichronic mirror 309 be arrangeding in parallel
With the 6th dichronic mirror 310, and the first prism wedge 314；First prism 312 is non-straight angle prism, is arranged on blue light and swashs
On the emitting light path of light light beam 307, for reflecting blue laser light beam 307.
5th dichronic mirror 309 is arranged at the blue led light source 301, on the emitting light path of red LED light source 303,
For transmission or reflection blue light beam and red beam, and carry out closing light；
6th dichronic mirror 310 is arranged at the green LED light source 305, and transmits and reflect through the 5th dichronic mirror
Red beam and blue light beam outgoing beam light path on, for reflection green fluorescent light beam and blue laser beams, with
And blue light beam and red beam after the 3rd dichronic mirror closing light of transmission；
First prism wedge 314 is arranged in the light path of the blue laser light beam 307 through the reflection of the first prism 312,
It is non-parallel including the first reflecting surface S1 and the second reflecting surface S2, the first reflecting surface S1 and the second reflecting surface S2, described first
Reflecting surface S1 is used for reflection red light beam, blue light beam and the green fluorescence light beam, and the second reflecting surface S2 is used to reflect
Blue laser light beam.Angle between the first reflecting surface S1 and the second reflecting surface S2 is preferably limited to 0 ° -30 °.
One of face of the blue laser beams 307 first through the first prism 312 (in the present embodiment, is arranged to and the
The parallel face of the right-angle surface of two prism 313) total reflection after, incide the second reflecting surface S2 of first prism wedge 314, then pass through
The second reflecting surface S2 reflections of first prism wedge 314, which are incided fly's-eye lens 311 and homogenize, enters the 6th color separation
Mirror 310, the luminous of the surface of green LED light source 305 and green LED light source itself is incided through the 6th dichronic mirror 310 reflection
The opposite excitated fluorescent powder layer of light beam caused by chip produces green fluorescence light beam, and the green fluorescence light beam is via the 6th color separation
Mirror 310 reflects.
The blue light beam and red beam are via closing light after the transmission or reflection of the 5th dichronic mirror 309 and via the described 6th
Dichronic mirror transmission 310.
The blue light beam, red beam and green fluorescence light beam the closing light shape after the 6th dichronic mirror 310 is transmitted and reflected
First prism wedge 314, and the reflections of the first reflecting surface S1 through first prism wedge 314 are incided into white light beam
After be emitted.
In the present embodiment, the central optical axis of the central optical axis and green LED light source 305 of the red LED light source 303 are put down
OK, it is vertical with the central optical axis of blue led light source 301 and the central optical axis of blue laser light source 307；5th dichronic mirror
309 and the 6th dichronic mirror 310 and red LED light source 303, blue led light source 301, green LED light source 305 and blue laser
The angle of the central optical axis of light source 307 is 45 °.
Wherein, the dichronic mirror 310 of the first dichronic mirror 309 and second is not limited to be vertically arranged, can also be according to specific
The putting position of light supply apparatus be arranged in parallel.
Wherein, the position of the blue led light source 301 and red LED light source 303 can mutually be exchanged, as long as can guarantee that
Red beam and blue light beam after dichronic mirror transmits and reflects can be gone out in one direction with green fluorescence light beam with closing light
Penetrate.If the position of the blue led light source 301 and red LED light source 303 is mutually exchanged, the blue led light source
301 central optical axis are parallel with the central optical axis of green LED light source 305, the central optical axis and indigo plant with red LED light source 303
The central optical axis of color LASER Light Source 307 are vertical.
Fig. 6 is the structural representation of projection lighting optical path example IV of the present utility model；As shown in fig. 6, according to this reality
With the projection lighting optical path of new embodiment, including：For producing blue led light source and the setting of blue light beam
The first collimation lens set immediately ahead of blue LED light source light path；For producing red LED light source and the setting of red beam
The second collimation lens set immediately ahead of red LED light source light path；For produce the green LED light source 405 of green LED light beam with
And it is arranged on the 3rd collimation lens set immediately ahead of the light path of green LED light source 405；Blue laser light source 407 and it is arranged at indigo plant
The 4th collimation lens set immediately ahead of the light path of color LASER Light Source 407；Color separation microscope group；Fly's-eye lens 411；And prism group.
Unlike embodiment and embodiment two, the color separation microscope group includes：7th dichronic mirror 409 and the second wedge-shaped rib
Mirror 410；First prism 412 is non-straight angle prism.
First prism is arranged on the emitting light path of blue laser light beam 407, for reflecting blue laser light beam；
7th dichronic mirror 409 is arranged at the blue led light source, on the emitting light path of red LED light source, for saturating
Penetrate or reflection blue light beam and red beam and carry out closing light；
Second prism wedge 410 is arranged in the light path of the blue laser light beam 407 through the reflection of the first prism 412,
Including the 3rd reflecting surface S3 and the 4th reflecting surface S4, the 3rd reflecting surface S3 and the 4th reflecting surface S4 is non-parallel, and the described 3rd
Reflecting surface S3 is used for thoroughly or reflected red beam, blue light beam and the reflection green fluorescence light beam, the 4th reflecting surface S4
For saturating or refraction red beam, blue light beam, and reflect blue laser light beam.Wherein, the 3rd reflecting surface S3 and the 4th
Angle between reflecting surface S4 is preferably limited to 0 ° -30 °.
One of face of the blue laser beams 407 first through the first prism 412 (in the present embodiment, is arranged to and the
The parallel face of two prism right-angle surfaces) total reflection after, homogenized through fly's-eye lens 411, incide second prism wedge 410
4th reflecting surface S4, then through the reflecting surface S4 of the second prism wedge the 4th reflection incide the surface of green LED light source 405 with it is green
The opposite excitated fluorescent powder layer of light beam caused by the color LED light source luminescence chip of itself produces green fluorescence light beam, the green
Fluorescent light beam reflects via the 3rd reflecting surface S3 of the second prism wedge 410；
The blue light beam and red beam are via closing light after the transmission or reflection of the 7th dichronic mirror 409 and via described second
3rd reflecting surface S3 of prism wedge 410 and the 4th reflecting surface S4 transmissions or refraction；
The blue light beam, red beam and green fluorescence the light beam closing light after the second prism wedge transmits and reflects are formed
White light beam is emitted.
Wherein, the position of the blue led light source and red LED light source can mutually be exchanged, as long as can guarantee that through undue
Red beam and blue light beam after Look mirror transmission and reflection can be emitted in one direction with green fluorescence light beam with closing light.
In addition, the utility model additionally provides a kind of projection arrangement；Fig. 7 is that projection lighting optical path of the present utility model is implemented
Projection arrangement structural representation corresponding to example one；As shown in fig. 7, a kind of projection arrangement includes：Projection lighting described above
Light path, in addition to：Display chip 100 and projection lens group 200.
In the present embodiment, via the color separation microscope group transmit and/or reflect blue led light beam, red LED light beam with
And after green fluorescence light beam synthesis white light beam enters the homogenization of fly's-eye lens 511, then by the first prism 512 and the second right angle
Prism 513 incides display chip 100；It is preferred that the display chip 100 is parallel with a right-angle surface of the second right-angle prism 513,
It is arranged in parallel and enables the light beam from the outgoing of the second right-angle prism to impinge perpendicularly on display chip, light gather effect is preferable.
Wherein the second right-angle prism is used to change guiding beam direction so that impinges perpendicularly on DMD illuminating bundle through the second right-angled edge
Glancing incidence is to projection lens after mirror reflection.
It is worth noting that, in above-described embodiment, the dichronic mirror can plate Anti-reflective coating or anti-reflection film as needed；This
The projection light source apparatus structure of utility model is not restricted to above-mentioned four kinds of embodiments, every to be shone by reflection blue LASER Light Source
The opposite excitated fluorescent powder layer generation green fluorescence light beam of light beam caused by the luminescence chip of green LED light source itself is penetrated to belong to
The scope of protection of the utility model.
In the utility model embodiment, described assorted light supply apparatus is preferably disposed on approximately the same plane, and so setting can
Make it that structure is compacter, naturally it is also possible to set assorted light supply apparatus not according to the needs of concrete structure or environment
In approximately the same plane, as long as so that by exciting caused green fluorescence and blue light beam and red beam anti-by dichronic mirror
Finally energy closing light outgoing, can realize the purpose of this utility model after penetrating and transmiting.
In summary, blue laser light source swashs after reflection in projection lighting optical path and its projection arrangement of the present utility model
Phosphor powder layer on green-emitting LED light source produces green fluorescence, greatly strengthen green-light source brightness, it is bright to enhance projection light source
Degree；And due to the setting of dichronic mirror and prism so that simple and reasonable, compact in design, structure setting can be flexible and changeable, significantly
The brightness of green-light source is enhanced, improves projection quality, the problem for solving light-source brightness deficiency in projection light source apparatus.
The foregoing description to specific illustrative embodiment of the present utility model is to illustrate and the purpose of illustration.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explain certain principles of the present utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the present utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (10)
- A kind of 1. projection lighting optical path, it is characterised in that including：The first collimation for producing the blue led light source of blue light beam and being arranged at immediately ahead of blue LED light source light path is saturating Microscope group；The second collimation for producing the red LED light source of red beam and being arranged at immediately ahead of red LED light source light path is saturating Microscope group；Green LED light source and the 3rd collimation lens set being arranged on immediately ahead of green LED light source light path；Blue laser light source And it is arranged at the 4th collimation lens set immediately ahead of blue laser light source light path；Color separation microscope group；Fly's-eye lens；And prism Group；Wherein, the prism group includes：First prism and the second right-angle prism；The green LED light source surface carries fluorescent material Layer, blue laser beams caused by blue laser light source incide green after one of face total reflection of the first prism It is glimmering that the opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of itself of LED light source surface and green LED light source produces green Light light beam；Via the color separation microscope group and blue light beam, red beam and the green fluorescence light beam of prism group transmission and/or reflection Synthesize white light beam.
- 2. projection lighting optical path according to claim 1, it is characterised in thatThe color separation microscope group includes：Parallel or vertically disposed first dichronic mirror and the second dichronic mirror；First prism is right-angle prism, is arranged on the emitting light path of blue laser light beam, for being totally reflected blue laser Light beam is simultaneously incident to green LED light source；Second dichronic mirror is arranged at the blue led light source, on the emitting light path of green LED light source, for transmiting green Fluorescent light beam or reflection blue light beam；First dichronic mirror is arranged at the red LED light source, and the green fluorescence for transmiting and reflecting through the second dichronic mirror In the light path of the outgoing beam of light beam and blue light beam, for reflection red light beam, transmitting blue light beam and green fluorescence light beam；Blue laser beams homogenize after the slant reflection of the first prism through fly's-eye lens, then through the first dichronic mirror and second Dichronic mirror transmission incide green LED surface and the green LED light source luminescence chip of itself caused by light beam excite in opposite directions it is glimmering Light bisque produces green fluorescence light beam, and the green fluorescence light beam transmits via the first dichronic mirror and the second dichronic mirror；The blue light beam is via the second dichroic mirror and incides on first dichronic mirror, via first dichronic mirror Transmission；The red beam is via the first dichroic mirror；The blue light beam, red beam and green fluorescence light beam form white light beam through the first dichroic mirror and transmission closing light Outgoing.
- 3. projection lighting optical path according to claim 2, it is characterised in that the central optical axis of the red LED light source, indigo plant The central optical axis of color LED light source and the central optical axis of blue laser light source are parallel, and the central optical axis with green LED light source hang down Directly；First dichronic mirror and the second dichronic mirror and red LED light source, blue led light source, green LED light source and blueness swash The angle in the central optical axis direction of radiant is 45 °；The central optical axis of the green LED light source and the center light of fly's-eye lens Overlapping of axles.
- 4. projection lighting optical path according to claim 1, it is characterised in thatThe color separation microscope group includes：Parallel or vertically disposed 3rd dichronic mirror and the 4th dichronic mirror；First prism is right-angle prism, is arranged on the emitting light path of blue laser light beam, for reflecting blue laser light Beam；3rd dichronic mirror is arranged at the blue led light source, on the emitting light path of red LED light source, for transmiting or anti- Blue light beam and red beam are penetrated, to blue light beam and red beam closing light；4th dichronic mirror is arranged at the green LED light source, and the red beam for transmiting and reflecting through the 3rd dichronic mirror In the light path of the outgoing beam of blue light beam, for transmiting green fluorescence light beam, reflection blue light beam and red beam；Blue laser beams homogenize after the slant reflection of the first prism through fly's-eye lens, then through the 4th dichronic mirror transmit into Green LED light source surface is mapped to produce with the opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of green LED light source itself Raw green fluorescence light beam；The green fluorescence light beam transmits via the 4th dichronic mirror；The blue light beam and red beam are via closing light after the 3rd dichronic mirror transmission or reflection and via the 4th dichronic mirror Reflection；The blue light beam, red beam and green fluorescence the light beam closing light after the 4th dichronic mirror transmits and reflects form white light light Beam is emitted.
- 5. projection lighting optical path according to claim 4, it is characterised in that the central optical axis of the red LED light source with The central optical axis of green LED light source are parallel, and with the central optical axis of blue led light source and the central optical axis of blue laser light source Vertically；Or the central optical axis of the blue led light source are parallel with the central optical axis of green LED light source, and with red LED light The central optical axis in source and the central optical axis of blue laser light source are vertical；3rd dichronic mirror and the 4th dichronic mirror and red LED The angle in the central optical axis direction of light source, blue led light source, green LED light source and blue laser light source is 45 °；It is described The central optical axis of green LED light source overlap with the central optical axis of fly's-eye lens.
- 6. projection lighting optical path according to claim 1, it is characterised in thatThe color separation microscope group includes：The 5th dichronic mirror be arrangeding in parallel and the 6th dichronic mirror, and the first prism wedge；First prism is non-straight angle prism, is arranged on the emitting light path of blue laser light beam, for reflecting blue laser Light beam；5th dichronic mirror is arranged at the blue led light source, on the emitting light path of red LED light source, for transmiting or anti- Blue light beam and red beam are penetrated, and carries out closing light；6th dichronic mirror is arranged at the green LED light source, and the red beam for transmiting and reflecting through the 5th dichronic mirror In the light path of the outgoing beam of blue light beam, for reflection green fluorescent light beam and blue laser beams, and transmission the 3rd Blue light beam and red beam after dichronic mirror closing light；First prism wedge is arranged in the light path of the blue laser light beam through the first prismatic reflection, including the first reflecting surface With the second reflecting surface, first reflecting surface and the second reflecting surface are non-parallel, and first reflecting surface is used for reflection red light beam, Blue light beam and the green fluorescence light beam, second reflecting surface are used to reflect blue laser light beam；The blue laser beams first after one of face total reflection of the first prism, incide first prism wedge Second reflecting surface, then the 6th dichronic mirror is incided through the reflective surface of the first prism wedge second, through the 6th color separation Mirror reflection incide green LED light source surface and the green LED light source luminescence chip of itself caused by light beam excite in opposite directions it is glimmering Light bisque produces green fluorescence light beam, and the green fluorescence light beam is via the 6th dichroic mirror；The blue light beam and red beam are via closing light after the 5th dichronic mirror transmission or reflection and via the 6th dichronic mirror Transmission；The blue light beam, red beam and green fluorescence the light beam closing light after the 6th dichronic mirror transmits and reflects form white light light Beam incides first prism wedge, and is emitted after the first reflective surface of first prism wedge.
- 7. projection lighting optical path according to claim 6, it is characterised in that the central optical axis of the red LED light source with The central optical axis of green LED light source are parallel, hung down with the central optical axis of blue led light source and the central optical axis of blue laser light source Directly, or the blue led light source central optical axis it is parallel with the central optical axis of green LED light source, with red LED light source Central optical axis and the central optical axis of blue laser light source are vertical；5th dichronic mirror and the 6th dichronic mirror and red LED light source, The angle of the central optical axis of blue led light source, green LED light source and blue laser light source is 45 °.
- 8. projection lighting optical path according to claim 1, it is characterised in thatThe color separation microscope group includes：7th dichronic mirror, and the second prism wedge；First prism is non-straight angle prism, is arranged on the emitting light path of blue laser light beam, for reflecting blue laser Light beam；7th dichronic mirror is arranged at the blue led light source, on the emitting light path of red LED light source, for transmiting or anti- Penetrate blue light beam and red beam and carry out closing light；Second prism wedge is arranged in the light path of the blue laser light beam through the first prismatic reflection, including the 3rd reflecting surface With the 4th reflecting surface, the 3rd reflecting surface and the 4th reflecting surface are non-parallel, and the 3rd reflecting surface is used for thoroughly or refraction is red Light beam, blue light beam and the reflection green fluorescence light beam, the 4th reflecting surface are used for thoroughly or reflected red beam, blue light Beam, and reflect blue laser light beam；The blue laser beams first after one of face reflection of the first prism, incide the of second prism wedge Four reflectings surface, then incide green LED light source surface and green LED light source through the reflective surface of the second prism wedge the 4th The opposite excitated fluorescent powder layer of light beam caused by the luminescence chip of itself produces green fluorescence light beam；The green fluorescence light beam warp By the 3rd reflective surface of the second prism wedge；The blue light beam and red beam are via closing light after the 7th dichronic mirror transmission or reflection and via the described second wedge-shaped rib 3rd reflecting surface of mirror and the transmission of the 4th reflecting surface；The blue light beam, red beam and green fluorescence light beam are after the transmission of the 3rd reflecting surface and reflection of the second prism wedge Closing light forms white light beam outgoing.
- 9. a kind of projection arrangement, it includes the projection lighting optical path described in above-mentioned any one of 1-8 items, it is characterised in that also includes： Display chip and projection lens group.
- 10. according to the projection arrangement described in claim 9, it is characterised in that the indigo plant for transmiting and/or reflecting via the color separation microscope group After color beam, red beam and green fluorescence light beam synthesis white light beam enter fly's-eye lens homogenization, then by the first rib Mirror and the second right-angle prism incide display chip；The display chip is parallel with a right-angle side of the second right-angle prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548535.1U CN206991012U (en) | 2017-05-17 | 2017-05-17 | A kind of projection lighting optical path and its projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548535.1U CN206991012U (en) | 2017-05-17 | 2017-05-17 | A kind of projection lighting optical path and its projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991012U true CN206991012U (en) | 2018-02-09 |
Family
ID=61389959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548535.1U Active CN206991012U (en) | 2017-05-17 | 2017-05-17 | A kind of projection lighting optical path and its projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991012U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950788A (en) * | 2017-05-17 | 2017-07-14 | 广景视睿科技（深圳）有限公司 | A kind of projection lighting optical path and its projection arrangement |
| CN108286660A (en) * | 2018-03-19 | 2018-07-17 | 杨毅 | Blue light source, light-emitting device and lamps and lanterns |
| CN111142322A (en) * | 2018-11-05 | 2020-05-12 | 扬明光学股份有限公司 | Heat dissipation device and projector |
| CN111929973A (en) * | 2020-09-08 | 2020-11-13 | 深圳市大晟云视传媒科技有限公司 | Five-channel LED light path structure for projector |
| CN112230500A (en) * | 2019-07-15 | 2021-01-15 | 青岛海信激光显示股份有限公司 | Laser projection system and light source device |
-
2017
- 2017-05-17 CN CN201720548535.1U patent/CN206991012U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950788A (en) * | 2017-05-17 | 2017-07-14 | 广景视睿科技（深圳）有限公司 | A kind of projection lighting optical path and its projection arrangement |
| CN108286660A (en) * | 2018-03-19 | 2018-07-17 | 杨毅 | Blue light source, light-emitting device and lamps and lanterns |
| CN111142322A (en) * | 2018-11-05 | 2020-05-12 | 扬明光学股份有限公司 | Heat dissipation device and projector |
| CN112230500A (en) * | 2019-07-15 | 2021-01-15 | 青岛海信激光显示股份有限公司 | Laser projection system and light source device |
| CN112230500B (en) * | 2019-07-15 | 2021-10-08 | 青岛海信激光显示股份有限公司 | Laser projection system and light source device |
| CN111929973A (en) * | 2020-09-08 | 2020-11-13 | 深圳市大晟云视传媒科技有限公司 | Five-channel LED light path structure for projector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206991012U (en) | A kind of projection lighting optical path and its projection arrangement | |
| CN106950788A (en) | A kind of projection lighting optical path and its projection arrangement | |
| CN205691928U (en) | A kind of projection lighting optical path | |
| CN207352345U (en) | It is a kind of to strengthen bright projection light source and its optical projection system | |
| CN105467734B (en) | Wavelength changing element, light supply apparatus, projecting apparatus | |
| KR101830753B1 (en) | Lighting Device and Projection Device | |
| CN206819040U (en) | Light-source system and display device | |
| CN102681308B (en) | Scialyscope | |
| CN104965384B (en) | Optical projection system, light-source system and light source assembly | |
| CN204595411U (en) | Light-emitting device and projection display apparatus | |
| CN109375462A (en) | A kind of New Projection Display light-source structure of small size | |
| CN104808426A (en) | Projection display light source | |
| CN104656354B (en) | Illumination system and projection apparatus | |
| CN106125482A (en) | Laser light source and laser projection device | |
| CN205750256U (en) | A kind of projection lighting optical path | |
| CN209182644U (en) | A kind of red illumination light source and projection lighting light source | |
| CN110058478A (en) | Lighting system and projection arrangement | |
| CN205910482U (en) | Light source and projecting apparatus | |
| CN107885021A (en) | A kind of LASER Light Source and laser projection device | |
| CN109839796A (en) | Micro projector illumination path | |
| CN109521633A (en) | Lighting system and projection arrangement | |
| CN106873295B (en) | A kind of projector | |
| CN102012616A (en) | Optical engine of multiple-path green light source projector | |
| CN101968170B (en) | LED illumination light source device using LED complementary color light | |
| CN108255008A (en) | A kind of multi-wavelength multiplex projecting apparatus RGB closes color device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231226 Granted publication date: 20180209 |
|
| PP01 | Preservation of patent right |