CN207352348U - A kind of colour mixture illumination module, projection module and projecting apparatus - Google Patents
A kind of colour mixture illumination module, projection module and projecting apparatus Download PDFInfo
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- CN207352348U CN207352348U CN201721389391.6U CN201721389391U CN207352348U CN 207352348 U CN207352348 U CN 207352348U CN 201721389391 U CN201721389391 U CN 201721389391U CN 207352348 U CN207352348 U CN 207352348U
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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Abstract
The utility model embodiment is related to digital projection art, discloses a kind of colour mixture illumination module, projection module and projecting apparatus.Wherein, pass through blue led light source, green LED light source, red LED light source, blue excitation light source and the first beam merging apparatus, the position and structure of second beam merging apparatus are set, at the same time, utilize the collective effect of switching signal generation device and light source drive device, the green LED light source and the timesharing of blue excitation light source is controlled to drive and shine, timesharing produces corresponding the blue led light beam and/or green LED light beam and/or red LED light beam and/or blue excitation light beam in sequential, output is presented green fluorescence light beam and is mixed into blue led light beam and/or red LED light beam all the time, enrich light source color, enhance lighting source brightness, improve projection quality.
Description
Technical field
The utility model embodiment is related to digital projection art, more particularly to a kind of colour mixture illumination module, projective module
Group and projecting apparatus.
Background technology
In Projection Display product, projection display light source is highly important component.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 lighting source low and rich in color, that cost is low, this also become those skilled in the art have technical problem to be solved it
One.
The prior art is preferred side usually to improve the excitation of light conversion material or extraction to improve the brightness of output light
Case, by taking fluorescent powder as an example, in order to make fluorescent powder have the extraction efficiency of higher, fluorescent powder is positioned in a reflecting chamber,
And excitation source is set in the inner surface of cavity, while emphasize that the discharge area of cavity is less than fluorescent powder area so that fluorescent powder
The light of the low energy densities sent, be able to by reflection repeatedly it is intensive, and then improve energy density.It is disadvantageous in that,
Because the reflectivity of cavity inner surface can not possibly realize preferable 100% reflectivity, after multiple reflections, luminous energy loss is serious,
So that efficiency acutely reduces.In addition, when to produce high-power light output, the exciting power density of fluorescent powder will be very high,
So that the heat dissipation problem of fluorescent powder shows especially out.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the 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 utility model embodiment purpose is to provide a kind of simple in structure, rich in color, bright
Colour mixture illumination module, projection module and the projecting apparatus that degree is high, cost is low.
In order to solve the above-mentioned technical problem, the utility model embodiment discloses following technical solution：
First aspect, there is provided a kind of colour mixture illumination module, including：
Blue led light source, for producing blue led light beam；Green LED light source, it is described for producing green LED light beam
The surface of green LED light source is provided with phosphor powder layer；Red LED light source, for producing red LED light beam；Blue excitation light source,
For producing blue excitation light beam；
Light source drive device, respectively with blue led light source, green LED light source, red LED light source and the blue excitation
Light source connects, and for controlling the blue led light source, green LED light source, red LED light source and blue excitation light source point
When produce corresponding the blue led light beam and/or green LED light beam and/or red LED light beam and/or blue excitation light beam；
Switching signal generation device, including display driver and decoder, control described for producing switching signal
Light source drive device drives the switch of each road light source, and blue excitation light source is closed when green LED light source is opened, when blueness swashs
Green LED light source is closed when light emitting source is opened.
Further, the blue excitation light source is blue laser light source or blue led light source；
The display driver is connected with the decoder, for producing input of the clock signal as the decoder；
The decoder is connected with the light source drive device, for output unlike signal state at any time, institute
Signal condition is stated as Binary Zero, 1 sequence.
Further, the light source drive device includes：Signal detection module and energy supply control module, the signal detection
Output and the energy supply control module of the module with the decoder are connected, the energy supply control module and the blue led
Light source, green LED light source, red LED light source are connected with blue excitation light source；
The signal detection module, for detecting the signal condition of the decoder output, the energy supply control module is used
According to the signal condition to the blue led light source, green LED light source, red LED light source and blue excitation light source supply
Electricity.
Further, the blue excitation light source is oppositely arranged with the green LED light source, the first beam merging apparatus position
Between the blue excitation light source and the green LED light source；
When the blue excitation light beam that the blue excitation light source is sent, the blue excitation light beam is closed by described first
The phosphor powder layer is exposed to after bundle device transparent transmission, inspires green fluorescence light beam, wherein, the green fluorescence light beam is incident to
First beam merging apparatus and/or the second beam merging apparatus.
Further, the colour mixture illumination module further includes：
First beam merging apparatus, is arranged in the light extraction light path of the blue led light source and green LED light source, for receiving
The blue led light beam and green fluorescence light beam, export after the blue led light beam and green fluorescence light beam are carried out conjunction beam；
Second beam merging apparatus, is arranged in the light extraction light path of first beam merging apparatus and red LED light source, for institute
State the first beam merging apparatus output light beam and red LED light beam carry out conjunction beam after export.
Further, the colour mixture illumination module further includes the first collimation lens, the second collimation lens, the 3rd collimation lens
With the 4th collimation lens；
First collimation lens is arranged between the blue led light source and the first beam merging apparatus, first collimation
Lens are used to carry out collimation processing to the blue led light beam of the blue led light source output, and the blueness after collimation is handled
LED beam is exported to first beam merging apparatus；
Second collimation lens is arranged between the green LED light source and the first beam merging apparatus, second collimation
Lens are used to carry out collimation processing to the green LED light beam of green LED light source output, and the green after collimation is handled
LED beam is exported to first beam merging apparatus；
3rd collimation lens is arranged between the red LED light source and the second beam merging apparatus, the 3rd collimation
Lens are used to carry out collimation processing to the red LED light beam of red LED light source output, and the red after collimation is handled
LED beam is exported to second beam merging apparatus；
4th collimation lens is arranged between the blue excitation light source and the first beam merging apparatus, the 4th collimation
Lens are used to carry out collimation processing to the blue excitation light beam of blue excitation light source output, and the indigo plant after collimation is handled
Color excitation beam is exported to first beam merging apparatus.
Further, first beam merging apparatus and the second beam merging apparatus are arranged in parallel, first beam merging apparatus and
Two beam merging apparatus are color separation eyeglass；
Blue led light beam and blue excitation light beam described in the first beam merging apparatus transparent transmission, reflect the green fluorescence light
Beam；
The light beam that first beam merging apparatus described in the second beam merging apparatus transparent transmission exports, reflects the red LED light beam.
Further, the optical axis of the green LED light beam after collimation processing and the blue excitation after collimation processing
The optical axis coincidence of light beam；
The optical axis of the optical axis of the blue led light beam after collimation processing and the green LED light beam after collimation processing
Vertically；
The optical axis of the optical axis of the red LED light beam after collimation processing and the green LED light beam after collimation processing
It is parallel.
Second aspect, the utility model embodiment provide a kind of projection module, including：It is mixed described in above-mentioned any one
Color illumination module；
Fly's-eye lens and prism group；
Display chip；And
Projection lens group.
The third aspect, the utility model embodiment provide a kind of projecting apparatus, including：Above-mentioned projection module.
The beneficial effect of the utility model embodiment is：It is different from the situation of the prior art, the utility model utility model
Embodiment provides a kind of colour mixture illumination module, projection module and projecting apparatus.The colour mixture illumination module includes：Blue LED light
Source, for producing blue led light beam；Green LED light source, for producing green LED light beam, the surface of the green LED light source
It is provided with phosphor powder layer；Red LED light source, for producing red LED light beam；Blue excitation light source, for producing blue excitation
Light beam；Light source drive device, respectively with the blue led light source, green LED light source, red LED light source and blue excitation light source
Connection, and for controlling the blue led light source, green LED light source, red LED light source and blue excitation light source timesharing production
Raw corresponding the blue led light beam and/or green LED light beam and/or red LED light beam and/or blue excitation light beam；Switch
Signal generation device, including display driver and decoder, the light source drive device is controlled for producing switching signal
The switch of each road light source is driven, and blue excitation light source is closed when green LED light source is opened, when blue excitation light source is opened
Green LED light source is closed.The colour mixture illuminating module structure sets flexible, compact in design, rich in color, cost is low, enhances photograph
Bright light-source brightness, improves projection quality.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not formed to embodiment, the element for having same reference numbers label in attached drawing are expressed as similar element, remove
Non- have a special statement, and composition does not limit the figure in attached drawing.
Fig. 1 is a kind of structure diagram for colour mixture illumination module that the utility model embodiment provides；
Fig. 2 is that the structure of a kind of switching signal generation device and light source drive device that the utility model embodiment provides connects
Connect schematic diagram；
Fig. 3 is a kind of structure diagram for projection module that the utility model embodiment provides.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
As long as in addition, technical characteristic involved in each embodiment of the utility model disclosed below each other it
Between do not form conflict and can be mutually combined.
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 and from the limitation of 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.
Referring to Fig. 1, Fig. 1 is a kind of structure diagram for colour mixture illumination module that the utility model embodiment provides.Such as
Shown in Fig. 1, according to a kind of colour mixture illumination module provided by the utility model, including blue led light source 101, green LED light source
103rd, red LED light source 105 and blue excitation light source 107, the surface of the green LED light source 103 are provided with phosphor powder layer, institute
It is blue laser light source or blue led light source to state blue excitation light source 107, and is oppositely arranged with the green LED light source 103.
Blue led light source 101 produces blue led light beam, and green LED light source 103 produces green LED light beam, and red LED light source 105 produces
Raw red LED light beam, blue excitation light source 107 produce blue excitation light beam.
The colour mixture illumination module further includes the first beam merging apparatus 109, the second beam merging apparatus 110 and the first collimation lens
102nd, the second collimation lens 104, the 3rd collimation lens 106 and the 4th collimation lens 108.
In the present embodiment, the first beam merging apparatus 109 is between blue excitation light source 107 and green LED light source 103,
First collimation lens 102 is arranged between 101 and first beam merging apparatus 109 of blue led light source, first collimation
Lens 102 are used to carry out collimation processing to the blue led light beam of the blue led light source 101 output, and after collimation is handled
Blue led light beam export to first beam merging apparatus 109；Second collimation lens 104 is arranged at the green LED light
Between 103 and first beam merging apparatus 109 of source, second collimation lens 104 is used for the green LED light source 103 output
Green LED light beam carries out collimation processing, and the green LED light beam after collimation is handled is exported to first beam merging apparatus
109；3rd collimation lens 106 is arranged between 105 and second beam merging apparatus 110 of red LED light source, and the described 3rd
Collimation lens 106 is used to carry out collimation processing to the red LED light beam of the red LED light source 105 output, and by collimation
Red LED light beam after reason is exported to second beam merging apparatus 110；4th collimation lens 108 is arranged at the blueness
Between 107 and first beam merging apparatus 109 of excitation source, the 4th collimation lens 108 is used for the blue excitation light source 107
The blue excitation light beam of output carries out collimation processing, and the blue excitation light beam after collimation is handled is exported to described first and closed
Bundle device 109.
In long distance illumination, energy comparison disperses, and the illumination on illuminated area is relatively low, needs the output light to LED at this time
Collimated, the deflection angle of the single surface maximum of most of material light transmissive material is generally between 40-50 degree, for the angle of divergence
It can not be collimated in 80 degree or so of light, the wide-angle light beam and low-angle light beam therefore, it is necessary to be sent to LED light source are sharp respectively
The mode combined with total internal reflection curved surface with refractive curvature carries out collimation processing, the less light of dispersion angle that self-emitting light source is sent
Line is collimated by sphere curved refractive, the larger light of dispersion angle by parabolic reflector, or by lens front surface
The free form surface plane of refraction of plane refraction face and lens rear surface forms.In the present embodiment, the first collimation lens 102, second
Collimation lens 104, the 3rd collimation lens 106 and the 4th collimation lens 108 could be provided as planar lens or toroidal lens or
The other kinds of lens of person.
Preferably, the central optical axis angle of the first beam merging apparatus 109 and the first collimation lens 102 is 45 degree, and first closes beam
The central optical axis angle of 109 and second collimation lens 104 of device is also 45 degree, the first beam merging apparatus 109 and the 4th collimation lens
108 central optical axis angle is also 45 degree；The central optical axis angle of second beam merging apparatus, 110 and first collimation lens 102
For 45 degree, the central optical axis angle of 110 and the 3rd collimation lens 106 of the second beam merging apparatus is also 45 degree.
In the present embodiment, the optical axis of the green LED light beam after collimation processing and the blueness after collimation processing
The optical axis coincidence of excitation beam；The optical axis of the blue led light beam after collimation processing and the green LED after collimation processing
The optical axis of light beam is vertical；The optical axis of the red LED light beam after collimation processing and the green LED light beam after collimation processing
Optical axis it is parallel.
Similarly, in certain embodiments, the optical axis coincidence of the optical axis of green LED light source 103 and blue excitation light source 107,
It is parallel with the optical axis of red LED light source 105；The optical axis of blue led light source 101 and green LED light source 103, red LED light source
105 and blue excitation light source optical axis it is vertical.
First beam merging apparatus 109 is arranged at the light extraction light path of the blue led light source 101 and green LED light source 103
On, for receiving the blue led light beam and green LED light beam, the blue led light beam and green LED light beam are closed
Exported after beam, second beam merging apparatus 110 is arranged at the light extraction light of first beam merging apparatus 109 and red LED light source 105
Lu Shang, light beam and red LED light beam for being exported to first beam merging apparatus 109 export after carrying out conjunction beam.
In the present embodiment, the first beam merging apparatus 109 and the second beam merging apparatus 110 are color separation eyeglass, the dichronic mirror
Piece can be arranged to planar lens, and the first beam merging apparatus 109 and the second beam merging apparatus 110 are arranged in parallel, for being penetrated to light source
The light beam entered carries out closing light, 109 transparent transmission blue led light beam of the first beam merging apparatus and blue excitation light beam, reflection green LED light
Beam；The light beam of second beam merging apparatus, 110 the first beam merging apparatus of transparent transmission output, reflects red LED light beam, i.e. the first beam merging apparatus
109 can transmit incident light relative to the beam incident surface of blue led light source 101 and blue excitation light source 107, together
When the first beam merging apparatus 109 reflected relative to the beam incident surface of green LED light source 103；Second beam merging apparatus 110 is opposite
Incident light can be transmitted in the beam incident surface of the first beam merging apparatus 109, while the second beam merging apparatus 110 is relatively red
The beam incident surface of color LED light source 105 is reflected.
When blue excitation light source 107 is opened, green LED light source 103 is then closed, the indigo plant that blue excitation light source 107 is sent
During color excitation beam, blue excitation light beam exposes to the phosphor powder layer after 109 transparent transmission of the first beam merging apparatus, excitation
Go out green fluorescence light beam, wherein, the green fluorescence light beam is incident to the conjunction of the first beam merging apparatus 109 and/or second and gets one's things ready
Put 110.When blue excitation light source 107 is closed, green LED light source 103 is then opened, and is radiated at the phosphor powder layer, is inspired
Green fluorescence light beam, wherein, the green fluorescence light beam is incident to 109 and/or second beam merging apparatus of the first beam merging apparatus
110.So the light that second beam merging apparatus 110 exports is green fluorescence light beam mixing blue led light beam and/or red LED
Light beam.
It is rich in color, cost is low in conclusion the colour mixture illuminating module structure sets flexible, compact in design, enhance photograph
Bright light-source brightness, improves projection quality.
The colour mixture illumination module further includes light source drive device 100 and switching signal generation device 200, does not show in Fig. 1
Go out, incorporated by reference to Fig. 2, Fig. 2 is a kind of the switching signal generation device and light source drive device that the utility model embodiment provides
Structure connection diagram, as shown in Fig. 2, the light source drive device 100 includes signal detection module 11 and energy supply control module
12, switching signal generation device 200 includes display driver 21 and decoder 22.The signal detection module 11 is translated with described
The output of code device 22 is connected with the energy supply control module 12, the energy supply control module 12 and the blue led light source
101st, green LED light source 103, red LED light source 105 and blue excitation light source 107 connect.The signal detection module 11 is used for
Detect the signal condition that the decoder 22 exports, the energy supply control module 12 is used for according to the signal condition to the indigo plant
Color LED light source 101, green LED light source 103, red LED light source 105 and blue excitation light source 107 are powered.Energy supply control module
12 connect with the blue led light source 101, green LED light source 103, red LED light source 105 and blue excitation light source 107 respectively
Connect, and for controlling the blue led light source 101, green LED light source 103, red LED light source 105 and blue excitation light source
107 timesharing produce corresponding the blue led light beam and/or green LED light beam and/or red LED light beam and/or blue excitation
Light beam.
Switching signal generation device 200 is used to produce switching signal to control the light source drive device 100 to drive each road
The switch of light source, and blue excitation light source 107 is closed when green LED light source 103 is opened, when blue excitation light source 107 is opened
When green LED light source 103 close.
The display driver 21 is connected with the decoder 22, for producing clock signal as the decoder 22
Input.The address end of the built-in chip of the display driver 21 is A0, A1, the binary-coded combination one of described A0, A1
Share 22Kind, it is respectively 00,01,10 and 11, arbitrary combination, sequence and pulse period are controlled by display driver 21.Institute
State decoder 22 to be connected with the signal detection module 11, for output unlike signal state at any time, the signal
State is Binary Zero, 1 sequence.
In the present embodiment, Binary Zero, 1 sequence represent high level or low level, in certain embodiments, binary system
What the 0th, 1 sequence represented is pulse voltage, when exporting effective, when it exports effective, exports the pulse voltage of alternation, is otherwise height
Level or low level.Binary code 0 represents low level, then binary code 1 represents high level, when in low level
When, energy supply control module 12 is not to the light source power supply being attached thereto, light source closing or non-lit up；When in high level,
Energy supply control module 12 gives the light source power supply being attached thereto, which opens or light.It is understood that carry system code 0
It can also represent high level, then binary code 1 represents low level, and when in high level, energy supply control module 12 gives
Connected light source power supply, which opens or lights；When in low level, energy supply control module 12 is not attached thereto
Light source power supply, the light source close or it is non-lit up.
It is appreciated that the colour mixture houselights containing green fluorescence light beam should have following feelings all the time for any time output
Condition：Blue LED light source switch signal and blue excitation light source switch signal are high level, remaining is low level, signal detection mould
Block 11 detects each light source switch signal, is supplied by energy supply control module 12 to blue led light source 101 and blue excitation light source 107
Electricity, blue led light source 101 and blue excitation light source 107 are opened, and send blue led light beam and blue excitation light beam, blue excitation
Light beam exposes to the phosphor powder layer after 109 transparent transmission of the first beam merging apparatus, inspires green fluorescence light beam, and green is glimmering
Light light beam mixing blue led light beam exports；Red LED light source switching signal and green LED light source switching signal are high level, its
Remaining is low level, and signal detection module 11 detects each light source switch signal, and red LED light source is given by energy supply control module 12
105 and green LED light source 103 power, red LED light source 105 and green LED light source 103 are opened, send red LED light beam and
Green LED light beam, green LED light beam passes through the phosphor powder layer on 103 surface of green LED light source, inspires green fluorescence light beam, green
The mixing red LED light beam output of color fluorescent light beam；Red LED light source switching signal, green LED light source switching signal and blueness
LED light source switching signal is high level, remaining is low level, and signal detection module 11 detects each light source switch signal, passes through electricity
Source control module 12 is powered to red LED light source 105, green LED light source 103 and blue led light source 101, red LED light source
105th, green LED light source 103 and blue led light source 101 are opened, and send red LED light beam, green LED light beam and blue LED light
Beam, green LED light beam pass through the phosphor powder layer on 103 surface of green LED light source, inspire green fluorescence light beam, green fluorescence light
Beam mixes red LED light beam and the output of blue led light beam；Red LED light source switching signal, blue LED light source switch signal and
Blue excitation light source switch signal is high level, remaining is low level, and signal detection module 11 detects each light source switch signal, is led to
Cross energy supply control module 12 to power to red LED light source 105, blue led light source 101 and blue excitation light source 107, red LED
Light source 105, blue led light source 101 and blue excitation light source 107 are opened, and send red LED light beam, blue led light beam and blueness
Excitation beam, blue excitation light beam expose to the phosphor powder layer after 109 transparent transmission of the first beam merging apparatus, inspire green
Color fluorescent light beam, green fluorescence light beam mixing red LED light beam and the output of blue led light beam.
In the present embodiment, using timesharing driving by the way of, as shown in table 1, the decoder 22 without gating control terminal or
Person gates control terminal gating, and decoder 22 works normally, and it is a cycle once to decode process, and the cycle is extremely short, described to translate
Code device 22 is exactly the decoding action for constantly repeating each cycle during the work time.Red LED light source switching signal Y0 exists
When A0A1 is 11, output 1, that is, export high level, when A0A1 is 10, output 1, that is, export green LED light source switching signal Y1
When A0A1 is 01, output 1, that is, export by high level, blue LED light source switch signal Y2 and blue excitation light source switch signal Y3
High level.From the above it can be seen that blue excitation light source 107 is closed when being opened with green LED light source in a period of time 103,
Green LED light source 103 is closed when blue excitation light source 107 is opened, and the color sequential of a complete time cycle output is
Blue led light beam, green fluorescence light beam and red LED light beam.In certain embodiments, according to actual circuit design or
IC type selectings are different, and truth table can have other combinations.
1 decoder of table, 22 truth table
In the present embodiment, energy supply control module 12 exports illuminating bundle brightness and the colour gamut corresponding to different electric currents
Differ, illuminating bundle brightness can increase as colour mixture electric current increases, it can be understood as electric current is bigger, and power is bigger, image
Will be brighter, and colour gamut can be reduced with the increase of colour mixture electric current on the contrary, it can be understood as the colour mixture electric current of addition is bigger mixed
The color part entered will be more, any color mixed with other different colours after all can thin out or color distortion, mixing
The more colour gamuts of different colours component can reduce more naturally, and based on this, it is 10% to be typically chosen and add colour mixture low current percentage,
It also ensure that the increase of brightness value, also ensure that colour gamut will not reduce too much.
In the present embodiment, the different electric currents that energy supply control module 12 exports are controlled as the IC built in display driver 21,
IC built in display driver 21 produces three groups of current controling signals, controls the blue led light source 101, green LED light respectively
Source 103 and the size of current of red LED light source 105, and the size of current of blue excitation light source 107 is produced by another independent IC
Current controling signal control.It is understood that blue led light source 101, green LED light source 103, red LED light source
105 and the size of current of blue excitation light source 107 can be as the IC controls built in display driver 21, the control mode of electric current be
Various, it is connected depending on the type selecting, quantity and circuit of actual IC.The size of current of four road light sources can be identical, also may be used
To be not of uniform size.
In certain embodiments, the light source drive device 100 supports three tunnel timesharing to light driver and one by one
Independent driver composition all the way, alternatively, being made of four independent drivers.I.e. three tunnel timesharing are lighted driver and are controlled respectively
The blue led light source 101, green LED light source 103 and red LED light source 105, independent driver control blueness all the way swash
Light emitting source 107, alternatively, four independent drivers control the blue led light source 101, green LED light source 103, red respectively
LED light source 105 and blue excitation light source 107.So that the green LED light source 103 and 107 timesharing of blue excitation light source driving hair
Light, i.e., then blue excitation light source 107 does not shine when green LED light source 103 shines, and green LED light source 103 is then blue when not shining
Excitation source 107 shines.
In the present embodiment, blue excitation light beam incides the green of green LED light source surface excitation phosphor powder layer generation
Fluorescent light beam is mixed into blue led light beam and/or red LED light beam, or green LED light source shines and incides light source surface
The green fluorescence light beam that phosphor powder layer excitated fluorescent powder layer produces is mixed into blue led light beam and/or red LED light beam；Blueness
LED beam is mixed into the brightness for being mixed into green fluorescence light beam or red LED light beam and can making lighting source after green fluorescence light beam
Lifting, and color is more abundant.
It is worth noting that, in the utility model, the concrete structure of the colour mixture illumination module is not restricted to this reality
The structure of example is applied, 107 timesharing of every green LED light source 103 and blue excitation light source selects one driving and shines, green fluorescence light beam
It is mixed into the colour mixture illumination module after blue led light beam and/or red LED light beam, projection module and its projecting apparatus and belongs to this reality
With new protection domain.
The utility model provides a kind of projection module embodiment again, refers to Fig. 3, and the projection module includes above-mentioned any
Colour mixture illumination module described in one, fly's-eye lens 111 and prism group 112, display chip 113, and projection lens group 114.
The prism group 112 can be made of a prism or two prisms, and the preferable prism is right-angle prism；The display
Chip 113 can be DMD either LCOS or LCD.
In the present embodiment, fly's-eye lens 111 is arranged in front of the light path of the second beam merging apparatus 110, for receiving second
The output beam of beam merging apparatus 110 simultaneously converges the output beam, homogenization.Prism group 112 is arranged on fly's-eye lens 111
In front of light path, for guiding the emergent light of fly's-eye lens 111 to the display chip 113 of 112 side of prism group, work as display chip
113 are in opening, and the wherein one side through prism group 112 is reflected the projected light beam being emitted from display chip 113 again,
Last projected light beam reaches projection lens group 114.
In certain embodiments, the first beam merging apparatus 109 is relative to can be with the beam incident surface of blue led light source 101
It is coated with anti-reflection film, the first beam merging apparatus 109 on the beam incident surface of green LED light source 103 relative to can be coated with Anti-reflective coating；The
Two beam merging apparatus 110 on the beam incident surface of fly's-eye lens 111 relative to can be coated with anti-reflection film.
In the present embodiment, the eyeglass material of the lens or prism group can be glass, plastic cement or other printing opacity materials
Material.
The utility model provides a kind of projector embodiment again, and projecting apparatus includes above-mentioned projection module, to projection module
Concrete structure and function see in above-mentioned projection module embodiment, no longer repeat one by one herein.
The description of the foregoing specific exemplary embodiment to the utility model be in order to illustrate and illustration purpose.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 the above instruction, can carry out
Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the certain principles of the utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the 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. colour mixture illumination module, it is characterised in that including：Blue led light source, for producing blue led light beam；Green LED light source, for producing green LED light beam, the green The surface of LED light source is provided with phosphor powder layer；Red LED light source, for producing red LED light beam；Blue excitation light source, is used for Produce blue excitation light beam；Light source drive device, respectively with the blue led light source, green LED light source, red LED light source and blue excitation light source Connection, and for controlling the blue led light source, green LED light source, red LED light source and blue excitation light source timesharing production Raw corresponding the blue led light beam and/or green LED light beam and/or red LED light beam and/or blue excitation light beam；Switching signal generation device, including display driver and decoder, the light source is controlled for producing switching signal Driving device drives the switch of each road light source, and when green LED light source is opened, blue excitation light source is closed, and works as blue excitation light Green LED light source is closed when source is opened.
- 2. colour mixture illumination module according to claim 1, it is characterised in thatThe blue excitation light source is blue laser light source or blue led light source；The display driver is connected with the decoder, for producing input of the clock signal as the decoder；The decoder is connected with the light source drive device, for output unlike signal state at any time, the letter Number state is Binary Zero, 1 sequence.
- 3. colour mixture illumination module according to claim 1, it is characterised in thatThe light source drive device includes：Signal detection module and energy supply control module, the signal detection module are translated with described The output of code device is connected with the energy supply control module, the energy supply control module and the blue led light source, green LED Light source, red LED light source are connected with blue excitation light source；The signal detection module, for detecting the signal condition of the decoder output, the energy supply control module is used for root Power according to the signal condition to the blue led light source, green LED light source, red LED light source and blue excitation light source.
- 4. colour mixture illumination module according to claim 1, it is characterised in that the colour mixture illumination module further includes：First beam merging apparatus, is arranged in the light extraction light path of the blue led light source and green LED light source, described for receiving Blue led light beam and green fluorescence light beam, export after the blue led light beam and green fluorescence light beam are carried out conjunction beam；Second beam merging apparatus, is arranged in the light extraction light path of first beam merging apparatus and red LED light source, for described The light beam and red LED light beam of one beam merging apparatus output export after carrying out conjunction beam.
- 5. colour mixture illumination module according to claim 4, it is characterised in thatThe blue excitation light source is oppositely arranged with the green LED light source, and first beam merging apparatus swashs positioned at the blueness Between light emitting source and the green LED light source；When the blue excitation light beam that the blue excitation light source is sent, the blue excitation light beam is closed by described first and got one's things ready The phosphor powder layer is exposed to after putting transparent transmission, inspires green fluorescence light beam, wherein, the green fluorescence light beam is incident to described First beam merging apparatus and/or the second beam merging apparatus.
- 6. colour mixture illumination module according to claim 4, it is characterised in thatIt is saturating that the colour mixture illumination module further includes the first collimation lens, the second collimation lens, the 3rd collimation lens and the 4th collimation Mirror；First collimation lens is arranged between the blue led light source and the first beam merging apparatus, first collimation lens For carrying out collimation processing to the blue led light beam of the blue led light source output, and the blue led after collimation is handled Light beam is exported to first beam merging apparatus；Second collimation lens is arranged between the green LED light source and the first beam merging apparatus, second collimation lens Green LED light beam for being exported to the green LED light source carries out collimation processing, and the green LED after collimation is handled Light beam is exported to first beam merging apparatus；3rd collimation lens is arranged between the red LED light source and the second beam merging apparatus, the 3rd collimation lens Red LED light beam for being exported to the red LED light source carries out collimation processing, and the red LED after collimation is handled Light beam is exported to second beam merging apparatus；4th collimation lens is arranged between the blue excitation light source and the first beam merging apparatus, the 4th collimation lens Blue excitation light beam for being exported to the blue excitation light source carries out collimation processing, and the blueness after collimation is handled swashs Luminous beam is exported to first beam merging apparatus.
- 7. colour mixture illumination module according to claim 4, it is characterised in thatFirst beam merging apparatus and the second beam merging apparatus are arranged in parallel, and first beam merging apparatus and the second beam merging apparatus are Color separation eyeglass；Blue led light beam and blue excitation light beam described in the first beam merging apparatus transparent transmission, reflect the green fluorescence light beam；The light beam that first beam merging apparatus described in the second beam merging apparatus transparent transmission exports, reflects the red LED light beam.
- 8. colour mixture illumination module according to claim 6, it is characterised in thatThe optical axis weight of the optical axis of the green LED light beam after collimation processing and the blue excitation light beam after collimation processing Close；The optical axis of the blue led light beam after collimation processing is vertical with the optical axis of the green LED light beam after collimation processing；The optical axis of the red LED light beam after collimation processing is parallel with the optical axis of the green LED light beam after collimation processing.
- 9. one kind projection module, it is characterised in that including:Colour mixture illumination module as described in profit requires any one in 1 to 8；Fly's-eye lens and prism group；Display chip；AndProjection lens group.
- 10. a kind of projecting apparatus, it is characterised in that including projection module as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721389391.6U CN207352348U (en) | 2017-10-23 | 2017-10-23 | A kind of colour mixture illumination module, projection module and projecting apparatus |
| PCT/CN2018/081146 WO2019080450A1 (en) | 2017-10-23 | 2018-03-29 | Blended color lighting module, projection module, and projection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721389391.6U CN207352348U (en) | 2017-10-23 | 2017-10-23 | A kind of colour mixture illumination module, projection module and projecting apparatus |
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| CN207352348U true CN207352348U (en) | 2018-05-11 |
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| CN201721389391.6U Active CN207352348U (en) | 2017-10-23 | 2017-10-23 | A kind of colour mixture illumination module, projection module and projecting apparatus |
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| CN (1) | CN207352348U (en) |
| WO (1) | WO2019080450A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565676A (en) * | 2018-06-15 | 2018-09-21 | 北京镭创高科光电科技有限公司 | A kind of laser light source and display device |
| CN109581797A (en) * | 2019-01-17 | 2019-04-05 | 南阳南方智能光电有限公司 | A kind of highlighted LED micro projection lighting system of four-way |
| CN110501287A (en) * | 2018-05-19 | 2019-11-26 | 梅特勒-托利多仪器（上海）有限公司 | Light channel structure |
| CN111642038A (en) * | 2020-06-04 | 2020-09-08 | 歌尔光学科技有限公司 | LED drive circuit 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 |
| CN113485066A (en) * | 2021-08-02 | 2021-10-08 | 合肥全色光显科技有限公司 | Projection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7766490B2 (en) * | 2006-12-13 | 2010-08-03 | Philips Lumileds Lighting Company, Llc | Multi-color primary light generation in a projection system using LEDs |
| CN202049326U (en) * | 2010-12-23 | 2011-11-23 | 利达光电股份有限公司 | DLP (digital light processing) projection optical system based on planar LED light source |
| TWI440956B (en) * | 2011-08-17 | 2014-06-11 | Hon Hai Prec Ind Co Ltd | Porjector light source apparatus |
| CN202267819U (en) * | 2011-09-28 | 2012-06-06 | 苏州智能泰克有限公司 | Polarizing-type projection display device |
| CN102520571B (en) * | 2011-11-04 | 2014-08-06 | 深圳市光峰光电技术有限公司 | Light-emitting device and projection system |
| CN103399452A (en) * | 2013-08-23 | 2013-11-20 | 中国华录集团有限公司 | Light source device of projector |
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2017
- 2017-10-23 CN CN201721389391.6U patent/CN207352348U/en active Active
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2018
- 2018-03-29 WO PCT/CN2018/081146 patent/WO2019080450A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501287A (en) * | 2018-05-19 | 2019-11-26 | 梅特勒-托利多仪器（上海）有限公司 | Light channel structure |
| CN108565676A (en) * | 2018-06-15 | 2018-09-21 | 北京镭创高科光电科技有限公司 | A kind of laser light source and display device |
| CN108565676B (en) * | 2018-06-15 | 2023-09-22 | 江苏镭创高科光电科技有限公司 | Laser light source and display device |
| CN109581797A (en) * | 2019-01-17 | 2019-04-05 | 南阳南方智能光电有限公司 | A kind of highlighted LED micro projection lighting system of four-way |
| CN111642038A (en) * | 2020-06-04 | 2020-09-08 | 歌尔光学科技有限公司 | LED drive circuit 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 |
| CN113485066A (en) * | 2021-08-02 | 2021-10-08 | 合肥全色光显科技有限公司 | Projection system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019080450A1 (en) | 2019-05-02 |
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