CN106249530B

CN106249530B - Projection light source drive control circuit

Info

Publication number: CN106249530B
Application number: CN201610745274.2A
Authority: CN
Inventors: 崔荣荣; 郭大勃; 李健锋
Original assignee: Hisense Group Co Ltd
Current assignee: Qingdao Hisense Laser Display Co Ltd
Priority date: 2016-06-30
Filing date: 2016-08-29
Publication date: 2018-01-09
Anticipated expiration: 2036-08-29
Also published as: CN108333857B; CN106154720B; CN106226983A; CN108267918A; CN106249530A; CN108267918B; CN206209269U; CN106154720A; CN108333857A; CN106226983B

Abstract

The invention discloses a kind of projection light source drive control circuit.Projection light source drive control circuit provided in an embodiment of the present invention, control module is gated including light source, first driving logic module, the second driving logic module, the 3rd driving logic module, red laser output unit, blue laser output unit and green laser output unit, it can select to access two-color laser light source or three color LASER Light Sources by multiple logical signals, so as to be applicable the drive control of a variety of LASER Light Sources, and then the compatibility and versatility of projection light source drive control circuit are realized, add the scope of application of projection light source drive control circuit.

Description

Projection light source drive control circuit

Technical field

The present invention relates to photoelectric field, more particularly to a kind of projection light source drive control circuit.

Background technology

With the development of science and technology, need to use the scene of laser projection product more and more, in order to obtain more preferable projection Effect, the mode that people are driven control to drive control circuit in laser projection product to LASER Light Source are increasingly paid close attention to.

Because LASER Light Source excitation is high, high directivity, and there is high brightness, many advantages, such as high colour gamut, gradually by business Family is applied in projection products, and when using two-color laser light source in laser projection product, the two-color laser light source swashs to be red Radiant and blue laser light source, the red laser light source can export feux rouges under the control of double-colored light source driving circuit, blue Color LASER Light Source can export green glow, blue light, it is necessary to according to base with broken color wheel module under the double-colored light source driving circuit control The sequential of coloured light realizes drive control to red laser and blue laser respectively.When laser projection product uses three color laser During light source, i.e., using red laser, blue laser and green laser, it is necessary to realize timing against three kinds of lasers Drive control.And also need to be further added by fluorescent species on the basis of traditional three primary colours sometimes, multiple bases are formed, are now needed Control device is added respectively in former two-color laser light source and three color LASER Light Source control circuits respectively, to realize multiple bases Sequential export, form projection light source white light.

It is but general, it is necessary to be driven the control of circuit respectively during being driven for double-colored or tri-color laser Property is poor, and waste of resource, can also increase development cost.

The content of the invention

, can the embodiments of the invention provide a kind of projection light source drive control circuit in order to solve problem of the prior art For driving two-color laser light source or three color LASER Light Sources, the drive control circuit has versatility and compatibility.

For achieving the above object, it is as follows using technical scheme：

On the one hand, there is provided a kind of projection light source drive control circuit, including light source gating control module, the first driving are patrolled Volume module, the second driving logic module, the 3rd driving logic module, red laser output unit, blue laser output unit and Green laser output unit；

Light source gating control module input, first driving logic module input respectively with projection light source system Output end connects, output end and the red laser output unit of light source gating control module, blue laser output unit and green Color laser output unit connects respectively, with the multiple logical signals exported based on projection light source system, is gated and controlled by light source Module, the first driving logic module are from red laser output unit, blue laser output unit and green laser output unit At least one light source laser output unit is gated, and at least one light source laser output unit comprises at least blue laser output list Member；

First drives the input of the output end of logic module and light source gating control module, second to drive logic module Input and the input of the 3rd driving logic module connect respectively, the input of the second driving logic module and projection light source system The output end connection of system, the input and green laser of the output end of the second driving logic module and the 3rd driving logic module are defeated Go out unit to connect respectively；The input of 3rd driving logic module is connected with the output end of light source gating control module, and the 3rd drives The output end of dynamic logic module is connected with blue laser output unit, based on multiple logical signals, to pass through the first driving logic Module, the second driving logic module and color of light corresponding to the 3rd driving logic module generation light clock signal, and by color The bright clock signal of luminous point is exported at least one light source laser output unit, so that at least one light source laser output unit Color of light corresponding to every kind of light source laser output unit output.

Further, blue laser output unit also includes primary lights sequential export module, wherein, primary lights sequential export The output end with projection light source system, the output end of the first driving logic module, the light source gating control respectively of the input of module The output end of module connects respectively.

Further, multiple logical signals of projection light source system output comprise at least：Primary colours optical output control signal and Primary lights brightness regulated signal.

Further, red laser output unit, green laser output unit respectively further comprise feux rouges control unit and green Light control unit.

Further, red laser output unit, green laser output unit and blue laser output unit wrap respectively Include red laser output end, green laser output end, blue laser output end.

Further, the primary lights brightness regulated signal of the output of projection light source system comprises at least：Feux rouges brightness regulation Signal, blue light brightness Regulate signal, green glow brightness regulated signal.

Further, primary colours optical output control signal includes：Feux rouges output control signal, blue laser output control signal are green Optical output control signal.

The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：When the projection light source system passes through output end When inputting multiple logical signals to the projection light source drive circuit, the projection light source drive control circuit can be based on the plurality of patrol Signal is collected, control module is gated by light source, the first driving logic module exports list from red laser output unit, blue laser At least one light source laser output unit is gated in member and green laser output unit.Meanwhile projection light source drive control electricity Road can be based on multiple logical signals, pass through the first driving logic module, the second driving logic module and the 3rd driving logic mould Color of light corresponding to block generation lights clock signal, and by color of light light clock signal export it is defeated at least one light source laser Go out in unit, so that color of light corresponding to the output of at least one light source laser output unit, so as to realize at least one laser Light source, such as the drive control of two-color laser light source or three color LASER Light Sources, that is, projection light source provided in an embodiment of the present invention Drive control circuit, it can select to access two-color laser light source or three color LASER Light Source types by multiple logical signals, so as to The drive control of a variety of LASER Light Sources can be applicable, realizes the compatibility and versatility of projection light source drive control circuit, is increased The scope of application of projection light source drive control circuit is added.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Figure 1A is the structural representation of the first projection light source drive control circuit provided in an embodiment of the present invention；

Figure 1B is the structural representation of the first projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 1 C are the structural representations of second of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 1 D are a kind of double-colored light source lasers and color of light output timing schematic diagram provided in an embodiment of the present invention；

Fig. 1 E are the structural representations of the third projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 1 F are the structural representations of the 4th kind of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 1 G are the structural representations of the 5th kind of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 1 H are the structural representations of the 6th kind of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 1 I are a kind of three-color light source lasers and color of light output timing schematic diagram provided in an embodiment of the present invention.

Embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.

Figure 1A is a kind of structural representation of projection light source drive control circuit provided in an embodiment of the present invention, referring to figure 1A, the projection light source drive control circuit include light source gating control module 1, first and drive logic module 2, second to drive logic Module the 3, the 3rd drives logic module 4, red laser output unit 6, blue laser output unit 7, green laser output unit 8, specifically, it is defeated that red, blueness, green laser output unit 6,7,8 include red laser output end R-C, blue laser respectively Go out to hold B-C and green laser output end G-C, each color laser output can be specifically the driving of corresponding color laser End.

Wherein, light source gating control module 1 input, first driving logic module 2 input respectively with projected light The output end OUT connections of source system, the output end and red laser output unit 6, blue laser of light source gating control module 1 are defeated Go out unit 7 and green laser output unit 8 connects respectively, with the multiple logical signals exported based on projection light source system, lead to Cross light source gating control module 1, first and drive logic module 2 from red laser output unit 6, the and of blue laser output unit 7 At least one light source laser output unit is gated in green laser output unit 8, and at least one light source laser output unit is extremely Include red laser output unit 6 and blue laser output unit 7 less.

Wherein, the output end of projection light source system exports multiple logical signals, including primary colours output control signal and primary colours Brightness regulated signal.

The output end of first driving logic module 2 gates the input of control module 1, the second driving logic module with light source 3 input and the input of the 3rd driving logic module 4 connect respectively, the input of the second driving logic module 3 and projection The output end OUT connections of light-source system, the input of the output end of the second driving logic module 3 and the 3rd driving logic module 4 Connected respectively with green laser output unit 8；The input of 3rd driving logic module 4 is defeated with light source gating control module 1 Going out end connection, the output end of the 3rd driving logic module 4 is connected with blue laser output unit 6, with based on multiple logical signals, Specifically, logic module 3 and the 3rd is driven to drive logic module 4 through in logical signal by the first driving logic module 2, second The generation of primary colours optical output control signal corresponding to color of light light clock signal, and by color of light light clock signal export to In at least one light source laser output unit, and will be multiple by the output end OUT of light source control module 1, projection light source system Primary lights brightness regulated signal in logical signal is exported at least one light source laser output unit, so that described at least one Color of light corresponding to every kind of light source laser output unit output in kind light source laser output unit.

Figure 1B is projection light source drive control electrical block diagram in second provided on the basis of Figure 1A, such as Figure 1B institutes Show, the projection light source drive control circuit includes light source gating control module 1, first and drives logic module 2, second to drive logic Module the 3, the 3rd drives logic module 4, and also swashs including red laser output end R-C, blue laser output end B-C and green Light output end G-C；And in addition to primary lights sequential export module 5.Blue laser output unit includes primary lights sequential export Module 5.Wherein, blue laser output unit also includes primary lights sequential export module, wherein, primary lights sequential export module 5 Input respectively the output end OUT with projection light source system, first driving logic module 2 output end, light source gating control The output end of module 1 connects respectively, for receiving logical signal and the driving of process first that projection light source system directly exports The logical signal that logic module 2 exports, and blue laser output unit is given in selective export logical signal.

Specifically, the input 100, first of light source gating control module 1 drives the input 200 and base of logic module 2 The input 500 of coloured light sequential export module 5 is connected with the output end OUT of projection light source system respectively, the projection light source system Output end signal can include multiple primary colors brightness regulated signal and primary colours output control signal.

And the output end 101 and red laser output end R-C, primary lights sequential export mould of light source gating control module 1 The input 500 and green laser output end G-C of block 5 connect respectively, are believed with the multiple logics exported based on projection light source system Number, control module 1, first is gated by light source and drives logic module 2 and primary lights sequential export module 5 to be exported from red laser At least one light source laser output is gated in end R-C, blue laser output end B-C and green laser output end G-C, and at least A kind of light source laser output comprises at least blue laser output end B-C；

The output end 201 of first driving logic module 2 gates input 100, the primary colours light sequential of control module 1 with light source The input 500, second of output module 5 drives the input 300 and the 3rd of logic module 3 to drive the input of logic module 4 400 are connected respectively, and the input 300 of the second driving logic module 3 is connected with the output end OUT of projection light source system, and second drives The input 400 and green laser output end G-C of the output end 301 of dynamic logic module 3 and the 3rd driving logic module 4 connect respectively Connect, the input 400 of the 3rd driving logic module 4 is connected with the output end 101 of light source gating control module 1, and the 3rd driving is patrolled The output end 501 of the output end 401 and primary lights sequential export module 5 of collecting module 4 connects with blue laser output end B-C respectively Connect, with the primary colours output control signal included based on multiple logical signals, driven by the first driving logic module 2, second Logic module 3 and the 3rd drives logic module 4 to generate corresponding color of light and lights clock signal, and color of light is lighted into sequential letter Number output at least one light source laser output, and, and pass through the output of light source control module 1, projection light source system End OUT exports the primary lights brightness regulated signal in multiple logical signals at least one light source laser output, so that Face corresponding to light source laser output unit output corresponding to every kind of light source laser output at least one light source laser output Coloured light.

Because the input 100, first of light source gating control module 1 drives the input 200 and primary colours of logic module 2 The input 500 of light sequential output module 5 is connected with the output end OUT of projection light source system respectively, light source gating control module 1 Output end 101 and red laser output end R-C, the input 500 of primary lights sequential export module 5 and green laser output end G-C is connected respectively.Therefore, when the projection light source system inputs multiple patrol by output end OUT to the projection light source drive circuit During volume signal, the projection light source drive control circuit can be based on the plurality of logical signal, by light source gating control module 1, First driving logic module 2 and primary lights sequential export module 5 from red laser output end R-C, blue laser output end B-C and At least one light source laser output is gated in green laser output end G-C.

Again due to the output end 201 of the first driving logic module 2 and input 100, the primary colours of light source gating control module 1 The input 500, second of light sequential output module 5 drives the input 300 and the 3rd of logic module 3 to drive logic module 4 Input 400 is connected respectively, and the input 300 of the second driving logic module 3 is connected with the output end OUT of projection light source system, The output end 301 and the 3rd of second driving logic module 3 drives the input 400 and green laser output end G-C of logic module 4 Connecting respectively, the input 400 of the 3rd driving logic module 4 is connected with the output end 101 of light source gating control module 1, and the 3rd Drive logic module 4 output end 401 and primary lights sequential export module 5 output end 501 respectively with blue laser output end B-C connections.Therefore, the projection light source drive control circuit can be based on the primary colours output control letter that multiple logical signals include Number, drive logic module 3 and the 3rd to drive logic module 4 to generate corresponding color of light by the first driving logic module 2, second Clock signal is lighted, and color of light is lighted into clock signal and exported at least one light source laser output.

Light source laser output specifically corresponds to a light source laser output unit, therefore the projection light source drive circuit can With the feux rouges brightness regulated signal, green glow brightness regulated signal, indigo plant for being included multiple logical signals based on foregoing circuit module Brightness Regulate signal, primary colours output control signal, by least one light source laser output unit output corresponding to color of light, Specifically, light source gating control module, the first driving logic module are used for primary lights brightness regulated signal according to light source type, Gating output is at least red laser output unit and blue laser output unit, and conditionity exports to green laser and exports list Member, and, by the first driving logic module, second drives logic module and the 3rd driving logic module by primary colours light output Control signal generation color accordingly is lighted clock signal and exported to red, blue laser output unit, or export to it is red, Green, blue three colors laser output unit, so as to realize at least one LASER Light Source, such as two-color laser light source or three color laser lights The drive control in source, that is to say, projection light source drive control circuit provided in an embodiment of the present invention, can by multiple logical signals Two-color laser light source or three color LASER Light Sources are accessed with selection, so as to be applicable the drive control of a variety of LASER Light Sources, and then The compatibility and versatility of projection light source drive control circuit are realized, adds the applicable model of projection light source drive control circuit Enclose.

Need, primary lights brightness regulated signal can also include gold-tinted brightness regulated signal, wherein gold-tinted brightness Regulate signal is exported to blue laser output unit, by switching through between the Wavelength converter in blue laser excitation source light path Change obtains gold-tinted, and light clock signal to the color of gold-tinted is obtained by the clock signal logical operation of feux rouges and green glow.

It should be noted that it is effective when involved signal can be high level in embodiments of the present invention, can also For low level when it is effective, the embodiment of the present invention is not specifically limited to this.When in embodiments of the present invention using signal as high level Effectively it is illustrated.

It should also be noted that, the light source laser output unit can be light source laser, such as, the output of light source laser is single Member can be red laser, blue laser and green laser, naturally it is also possible to it is other devices, the embodiment of the present invention pair This is not specifically limited.

In addition, primary colours output control signal is used for the color of light for controlling light source laser output unit to export.

It is used to control the various light of projection light source drive control circuit drives it should be noted that color of light lights clock signal Source laser output unit exports the order of color of light.

It should also be noted that, the output end of optical projection system includes gate control signal end E, feux rouges brightness regulation end R_ PWM, green glow brightness regulation end G_PWM, blue light brightness adjustable side B_PWM, gold-tinted brightness regulation end Y_PWM, lighting control signal D and primary colours output control signal end EN is held, wherein, primary colours output control signal end EN, feux rouges output control signal can be included R_EN, blue laser output control signal B_EN, green glow output control signal B_EN.

In addition, gate control signal end E can include the first gate control signal end A, the second gate control signal end B and 3rd gate control signal end C, accordingly, gate control signal include the first gate control signal, the second gate control signal With the 3rd gate control signal.

It is 110 when gating signal controls the logical signal of output in a specific implementation, and red laser output end R- C connection red lasers output unit 6, blue laser output end B-C connection blue lasers output unit 7, green laser output When holding G-C connection green laser output units 8, referring to Fig. 1 C, the light source gates the first input end A1 and first of control module 1 The A connections of gate control signal end, the second input B1 and the second gate control signal end B of light source gating control module 1 connect Connect, the 3rd input C1 of light source gating control module 1 is connected with the 3rd gate control signal end C, light source gating control module 1 The 4th input IN and this first driving logic module 2 first input end be connected respectively with lighting control signal end D, light source 5th input b of gating control module 1 is connected with green glow brightness regulation end G_PWM, and the 6th of light source gating control module 1 is defeated Enter to hold a to be connected with feux rouges brightness regulation end R_PWM, the driving logics of the first output end ax and the 3rd of light source gating control module 1 First output end 41 of module 4 is connected with the first drive end 61 of red laser output unit 6 respectively, light source gating control module 1 the second output head grounding.The of the 3rd output end bx and the primary lights sequential export module 5 of light source gating control module 1 One input 51 connects, the 4th output end by and green laser output unit 8 of light source gating control module 1 the first drive end 81 connections, the 7th output end of light source gating control module 1 are connected with the 3rd input 53 of primary lights sequential export module, light The 8th output end cy ground connection of source gating control module 1；Second input 22 of the first driving logic module 2 is controlled with primary colours output Signal end EN connections processed, the 7th output end of the first output end 23 and light source gating control module 1 of the first driving logic module 2 Cx, the 3rd input 53 of primary lights sequential export module 5 and the second driving logic module 3 first input end 31 connect respectively Connect, first drives the 4th input 54 of the second output end 24 of logic module 1 and primary lights sequential export control module 5 and be somebody's turn to do Second input 43 of the 3rd driving logic module 4 connects respectively, the 3rd output end 25 and second of the first driving logic module 2 Drive the 3rd input 44 and primary lights sequential export mould of the second input the 32, the 3rd driving logic module 4 of logic module 3 5th input 55 of block 5 connects respectively, the 3rd input 33 of the second driving logic module 3 and the second gate control signal end B connections, the output end 34 and the 3rd of the second driving logic module 3 drive the 4th input 45 and green laser of logic module 4 Second drive end 82 of output unit 8 is connected, and the 3rd input 35 of the second driving logic module 3 is grounded, the 3rd driving logic Second output end 46 of module 4 is connected with the first drive end 71 of blue laser output unit 7；Primary lights sequential export module 5 The 6th input 56 be connected with blue light brightness adjustable side B_PWM, the 7th input 57 of primary lights sequential export module 5 with it is yellow The Y_PWM connections of brightness adjustable side, the output end 58 of primary lights sequential export module 5 and the second of blue laser output unit 7 Drive end 72 connects.

Because the first input end A1 of light source gating control module 1 is connected with the first gate control signal end A, light source choosing Second input B1 of logical control module 1 is connected with the second gate control signal end B, and the 3rd of light source gating control module 1 is defeated Enter to hold C1 to be connected with the 3rd gate control signal end C, the 4th input IN and lighting control signal of light source gating control module 1 D connections are held, the 5th input b of light source gating control module 1 is connected with green glow brightness regulation end G_PWM, light source gating control 6th input a of module 1 is connected with feux rouges brightness regulation end R_PWM, light source gating control module 1 the first output end ax with First drive end 61 of red laser output unit 6 connects, the second output end ay ground connection of light source gating control module 1, light source 4th output end by of gating control module 1 is connected with the first drive end 81 of green laser output unit 8.Therefore, the light source Gating control module 1 can be controlled based on the first gate control signal from the first gate control signal end A, from the second gating Signal end B processed the second gate control signal, the 3rd gate control signal from the 3rd gate control signal end C and from point Lamp control signal end D lighting control signal, by the feux rouges brightness regulated signal from feux rouges brightness regulation end R_PWM export to Red laser output unit 12, and the green glow brightness regulated signal from green glow brightness regulation end G_PWM is exported to green and swashed Light output unit 13.

Again because the second input 22 of the first driving logic module 2 is connected with primary colours output control signal end EN, the First output end 23 of one driving logic module 2 is connected with the 3rd input 53 of primary lights sequential export module 5, the first driving Second output end 24 of logic module 2 is connected with the 4th input 54 of primary lights sequential export control module 5, and the first driving is patrolled The 3rd output end 25 for collecting module 2 is connected respectively with the 5th input 55 of primary lights sequential export module 5, and primary colours light sequential is defeated The 6th input 56 for going out module 5 is connected with blue light brightness adjustable side B_PWM, the 7th input of primary lights sequential export module 5 End 57 is connected with gold-tinted brightness regulation end Y_PWM, output end 58 and the blue laser output unit of primary lights sequential export module 5 The second drive end 72 connect.Therefore, the first driving logic module 2 and primary lights sequential export module 5 can be based on lighting Control signal and the primary colours output control signal from primary colours output control signal end EN, blue light brightness adjustable side B_ will be come from PWM blue light brightness Regulate signal or gold-tinted brightness regulated signal from gold-tinted brightness regulation end Y_PWM are exported to blueness Laser output unit.

It should be noted that the laser due to only including three kinds of primary colours of RGB in projection light source, gold-tinted is to pass through Blue laser is excited as excitation source caused by the yellow fluorescent powder in colour wheel module, thus the brightness of gold-tinted be indirectly by The drive control of blue laser, by realizing the adjustment control to gold-tinted to the driving of blue laser, will correspond to The brightness regulated signal of gold-tinted is also exported to blue laser, with the driving blue laser work of this PWM value, so as to realize indirectly Gold-tinted according to predetermined luminance output.

Again due to the first output end 23 of the first driving logic module 2 and the first input end of the second driving logic module 3 31 connections, the second output end 24 of the first driving logic module 1 are connected with the second input 43 of the 3rd driving logic module 4, 3rd output end 25 of the first driving logic module 2 and the second input the 32, the 3rd driving logic of the second driving logic module 3 3rd input 44 of module 4 and the 5th input 55 of primary lights sequential export module 5 connect respectively, the second driving logic mould 3rd input 33 of block 3 is connected with the second gate control signal end B, the output end 34 and the 3rd of the second driving logic module 3 The 4th input 45 of logic module 4 and the second drive end 82 of green laser output unit 8 is driven to connect, the second driving logic 3rd input 35 of module 3 is grounded, the second output end 46 and blue laser output unit 7 of the 3rd driving logic module 4 First drive end 71 connects, the 3rd driving logic module 4 the first output end 41 respectively with red laser output unit 6 first Input 61 connects, the 7th output end 1013 of light source gating control module 1 and the first input end of the 3rd driving logic module 4 42 connections.Therefore, the first driving logic module 2, second drives logic module 3 and the 3rd to drive logic module 4 to be based on base Color output control signal and lighting control signal, produce color of light and light clock signal, and the color of light is lighted into clock signal To light source laser output unit corresponding to primary colours output control signal, it is defeated that the light source laser output unit includes red laser for output Go out unit 6, blue laser output unit 7 or green laser output unit 8.

And then light source laser output unit corresponding to the primary colours output control signal can be based on the feux rouges brightness regulation and believe Number, the green glow brightness regulated signal, the blue light brightness Regulate signal, the gold-tinted brightness regulated signal and the color of light light sequential Signal, color of light corresponding to output, so as to realize the drive control to three kinds of LASER Light Source output units.

Wherein, light source laser output control unit corresponding to the primary colours output control signal can be based on feux rouges brightness tune Section signal, the green glow brightness regulated signal, the blue light brightness Regulate signal, the gold-tinted brightness regulated signal and the color of light are lighted Clock signal, the operation of color of light corresponding to output can be：When the output of light source laser is single corresponding to primary colours output control signal When member is red laser control unit 6, red laser output unit 6 can light clock signal and feux rouges brightness based on color of light Regulate signal output red light；When light source laser output unit corresponding to primary colours output control signal is green laser output unit When 8, the green laser output unit 8 can light clock signal based on the color of light and green glow brightness regulated signal output is green Coloured light；When light source laser output unit corresponding to the primary colours output control signal is the blue laser output unit 7, and the blueness When laser output unit 7 receives the blue luminences Regulate signal, the blue laser output unit 7 can be based on the color luminous point Bright clock signal and the blue light brightness Regulate signal output blue light；When light source laser list corresponding to the primary colours output control signal When member receives the yellow brightness regulated signal for blue laser output unit 7 and the blue laser output unit 7, based on the face Coloured light lights clock signal and the gold-tinted brightness regulated signal, by the drive control of the blue laser output unit 7 in rear end Output sodium yellow is realized in light path.

It should be noted that when the projection light source drive control circuit is driven to three color LASER Light Sources, due to this The laser brightness of three color LASER Light Sources is high, purity is good and gamut range is wide, therefore, not only increases color saturation and color is bright Degree, eliminates colour cast problem, and also improves the efficiency of LASER Light Source output color of light, and then improves drop shadow effect.

It should also be noted that, feux rouges brightness regulated signal is used for the brightness for adjusting light source laser output unit output feux rouges Just, and the feux rouges brightness regulated signal is in the case where being not 0, could export feux rouges brightness regulated signal to corresponding light In source laser output unit, with a bright light source laser output unit, make light source laser output unit output red light；Green glow brightness Regulate signal is used for the brightness height for adjusting light source laser output unit output green glow, and green glow brightness regulated signal be not 0 In the case of, green glow brightness regulated signal could be exported into corresponding light source laser output unit, with a bright light source laser Output unit, light source laser output unit is set to export green light；Blue light brightness Regulate signal is used to adjust light source laser output list The brightness height of member output blue light, the brightness that gold-tinted brightness regulated signal is used to adjust light source laser output unit output gold-tinted are high It is low, and in blue light brightness Regulate signal or gold-tinted brightness regulated signal in the case where being not 0, blue light brightness could be adjusted and believed Number or gold-tinted brightness regulated signal export into blue laser output unit, to light blue laser output unit, make blueness swash Light output unit output blue light or sodium yellow.And in embodiments of the present invention, the feux rouges brightness regulated signal, blue light brightness are adjusted Save brightness regulated signal between signal, gold-tinted brightness regulated signal and green glow brightness regulated signal can with it is identical can not also Together, the embodiment of the present invention is not specifically limited to this.

In addition, in embodiments of the present invention, when red laser output end R-C connection red lasers output unit 6, blueness Laser output B-C connection blue lasers output unit 7, during green laser output end G-C connection green laser output units 8, The projection light source drive control circuit can not only drive blue laser output unit 7, red laser output through the above way 8 three kinds of light source laser output units of unit 6 and blue laser output unit；Swash when red laser output end R-C connections are red Light output unit 6, during blue laser output end B-C connection blue laser output units 7, the drive circuit can also drive blueness 6 two kinds of light source laser output units of laser output unit 7 and red laser output unit；When the B-C connections of blue laser output end During blue laser output unit 7, blue laser output unit 7 equally can also be only driven.It that is to say, when the projector equipment includes , can be with when 8 three kinds of blue laser output unit 7, red laser output unit 6 and blue laser output unit light source laser cells Line light source drive control is entered by the projection light source drive control circuit of the embodiment of the present invention, swashed when the projector equipment includes blueness During 6 two kinds of light source laser output units of light output unit 7 and red laser output unit, it can also be driven and controlled by projection light source Circuit processed enters line light source drive control.

In one kind is embodied, when the light source laser output unit be laser, and ought the first gate control signal be 0th, the second gate control signal is 0 and the 3rd gate control signal when being 1, be that is to say, the projection light source drive control circuit When can drive 6 two kinds of light source lasers of blue laser 7 and red laser, because red light is produced by red laser , and green light, blue light and sodium yellow are generated by blue laser, therefore, light source gating control module 1 should Feux rouges brightness regulation value is exported to red laser 6, and the green glow brightness regulated signal is exported to primary lights sequential export module 5, the primary lights sequential export module 5 can be based on primary colours output control signal and lighting control signal, by green glow brightness regulation Signal, blue light brightness Regulate signal or gold-tinted brightness regulated signal are exported to blue-light source laser 7；The first driving logic mould Block 2, second drives logic module 3 and the 3rd to drive logic module 4 to be based on primary colours output control signal and lighting control letter Number, produce color of light and light clock signal, and the color of light is lighted into clock signal and exported to the primary colours output control signal pair In the light source laser answered；Light source laser corresponding to the primary colours output control signal can be based on feux rouges brightness regulated signal, Green glow brightness regulated signal, blue light brightness Regulate signal, gold-tinted brightness regulated signal and light sequential letter output corresponding to color Light.

Such as when 6 two kinds of light source laser of projection light source drive control circuit drives blue laser 7 and red laser During device, it that is to say, when first gate control signal is 0, the second gate control signal is 0, and the 3rd gate control signal is 1 When, in double-colored light source laser as shown in figure iD and color of light output timing schematic diagram, because red light is swashed by red Caused by light device, and green light, blue light and sodium yellow are generated by blue laser, therefore, if the primary colours export Control signal is red output control signal 100, then light source laser corresponding to the color control signal is red laser 6, Light source gating control module 1 can send the feux rouges brightness regulated signal to red laser 6, the first driving logic mould Block 2 and the 3rd drives logic module 3 to be based on the red output control signal 100 and lighting control signal, generates red light Clock signal is lighted, and the red light is lighted into clock signal and exported to red laser light source 6, the red laser can be based on The red light lights clock signal and feux rouges brightness regulated signal output feux rouges.

If the primary colours output control signal is green output control signal 010, the primary colours output control signal is corresponding Light source laser be blue-light source laser 7, then the primary lights sequential export module 5 can be based on green output control letter Number 010 and lighting control signal, the green glow brightness regulated signal is exported to blue laser 7；The first driving logic module 2nd, the second driving logic module 3 and the 3rd drives logic module 4 to be based on the green output control signal and the life of lighting control signal Clock signal is lighted into green light, and the green light is lighted into clock signal and exported to blue laser 7, the blue laser 7 The green glow brightness regulated signal can be based on and green light lights clock signal output green light.

If the primary colours output control signal is blue output control signal 001, the primary colours output control signal is corresponding Light source laser be blue-light source laser 7, then the primary lights sequential export module 5 can be based on blue output control letter Number 001 and lighting control signal, the blue light brightness Regulate signal is exported to blue laser 7；The first driving logic module 2nd, the second driving logic module 3 and the 3rd drives logic module 4 to be based on the blue output control signal and the life of lighting control signal The bright clock signal of au bleu luminous point, and this is lighted into clock signal and exported to blue laser 7, the blue laser 7 can be with base Clock signal output blue light is lighted in the blue light brightness Regulate signal and blue light.If the color control signal is that yellow is defeated When going out control signal 110, light source laser corresponding to the primary colours output control signal is blue-light source laser 7, then the primary colours Light sequential output module 5 can be based on the yellow output control signal 110 and lighting control signal, and the gold-tinted brightness regulation is believed Number output is to blue laser 7；The first driving logic module 2, second drives logic module 3 and the 3rd to drive logic module 4 When lighting clock signal based on the yellow output control signal and lighting control signal generation sodium yellow, and the sodium yellow being lighted Sequential signal is exported to blue laser 7, when the blue laser 7 can be lighted based on the gold-tinted brightness regulated signal and sodium yellow Sequential signal exports sodium yellow.

It should also be noted that, in embodiments of the present invention, the primary colours output control signal end can also be to include red Output control signal end R_EN, green output control signal end G_EN and blue output control signal end B_EN, the present invention are implemented Example is not specifically limited to this.

It is used to control projection light source drive control circuit drives various further, since the color of light lights timing control signal Light source laser output unit exports the order of color of light, therefore, when the red laser output unit output red light, the blueness Laser output unit not output blue light or sodium yellow, and green laser output unit do not export green light, similarly, when the indigo plant When color laser output unit exports blue light or gold-tinted, output red light and green laser output is not single for red laser output unit Member does not export green light；When green laser output unit exports green light, red light source laser not output red light, Yi Jilan Color laser output unit not output blue light or sodium yellow.

Referring to Fig. 1 E, light source gating control module 1 includes light source gating unit 11, feux rouges control unit 12 and green glow control Unit 13；

The first input end 111 of light source gating unit 11 is connected with gate control signal end E, and the of light source gating unit 11 Two inputs 112 and the first input end 21 of the first driving logic module 2 are connected with lighting control signal end D respectively, light source choosing 3rd input b of logical unit 11 is connected with green glow brightness regulation end G_PWM, the 4th input a of light source gating unit 11 and The end R_PWM connections of feux rouges brightness regulation, the first of the driving logic modules 2 of the 5th input cx of light source gating unit 11 and first Output end 22 connects, defeated from red laser by light source gating unit 11 with based on gate control signal and lighting control signal Go out to hold in R-C, blue laser output end B-C and green laser output end G-C and gate at least one light source laser output；Light source First output end ax of gating unit 11 is connected with the input Br of feux rouges control unit 12, and the driving of feux rouges control unit 12 is defeated Go out end 121 to be connected with red laser output end R-C, with when gating red laser output end R-C, by feux rouges brightness regulated signal Exported by feux rouges control unit 12 to red laser output end R-C；The the second output end by and green glow of light source gating unit 11 The input Bg connections of control unit 13, the drive output 131 and green laser output end G-C of green glow control unit 13 connect Connect, so that when gating green laser output end G-C, green glow brightness regulated signal is exported to green by green glow control unit 13 Laser output G-C；3rd output end ay of light source gating unit 11 and the first input end 51 of primary lights sequential export module 5 Connection, the 4th output end bx of light source gating unit 11 is connected with the second input 52 of primary lights sequential export module 5, with After gating at least one light source laser output, based on lighting control signal and primary colours output control signal, driven by first Logic module 1 and primary lights sequential export module 5 are moved by green glow brightness regulated signal, blue light brightness Regulate signal and gold-tinted brightness At least one of Regulate signal is exported to blue laser output end B-C.

In addition, drive the first of logic module 4 referring to Fig. 1 E, the 5th output end c of the light source gating unit 11 and the 3rd Input connects, the 6th input cy ground connection of light source gating unit 11, and when in projection light source drive control circuit gating 3 When light source laser output or two kinds of light source laser outputs, the light source gating unit can be made to receive a low level letter Number, and exported the low level signal into the 3rd driving logic circuit by the 5th output end c.

It should be noted that the first input end 111 of the light source gating unit includes the first gating end A1, the second gating breaks The gatings of B1 and the 3rd end C1.The drive output 121 of feux rouges control unit includes the first drive end Sr and the second drive end Ar.It is green The drive output 131 of light control unit includes the first drive end Sg and the second drive end Ag.

Wherein, when red laser output end R-C connection red laser output units, green laser output end G-C connect Green laser output unit is connect, during blue laser output end B-C connection blue laser output units, referring again to Figure 1B, by It is connected in the first gating end A1 of light source gating unit 11 with the first gating signal end gate control signal end A, light source gating is single Second gating end B1 of member 11 is connected with the second gating signal end B, the 3rd gating end C1 of light source gating unit 11 and the 3rd choosing The C connections of messenger end, the first output end ax of light source gating unit 11 are connected with the input Br of feux rouges control unit 12, light source Second output end by of gating unit 11 is connected with the input Bg of green glow control unit 13.Therefore, light source gating unit 11 can Based on first gate control signal, the second gate control signal, the 3rd gate control signal and the lighting control signal, to incite somebody to action The feux rouges brightness regulated signal is exported to the feux rouges control unit 12, and the green glow brightness regulated signal is exported to the green glow and controlled Unit 13.

Again because the first drive end Sr and red laser output unit 6 of feux rouges control unit 12 first input end 61 connect Connect, the second drive end Ar of feux rouges control unit 12 is connected with the second input 62 of red laser output unit 6, green glow control First drive end Ag of unit 13 is connected with the first input end 81 of green laser output unit 8, and the of green glow control unit 13 Two drive end Sg are connected with the second input 82 of green laser output unit 8.Therefore, the feux rouges control unit 13 can should Feux rouges brightness regulated signal is exported to the red laser output unit 6, and the green glow control unit 13 can be by green glow brightness regulation Signal output to the green laser output unit 8, primary lights sequential export module 5 can be based on the primary colours output control signal With the lighting control signal, the blue light brightness Regulate signal or the gold-tinted brightness regulated signal are exported to the blue laser and exported Unit 7.

It should be noted that in embodiments of the present invention, light source gating unit 11, feux rouges control unit 12, green glow control Unit 13, primary lights sequential export module 5 can be switching gate control device, such as, primary lights sequential export module 5 is ADG708BRUZ logics select chip, can also be other devices certainly, the embodiment of the present invention is not specifically limited to this.

Referring to Fig. 1 F, the first driving logic module 2 includes the first logic gates 26, the second logic gates 27 and the 3rd Logic gates 28.

The first input end 271 and the 3rd of the first input end 261 of first logic gates 26, the second logic gates 27 The first input end 281 of logic gates 28 is connected with lighting control signal end D respectively, and the second of the first logic gates 26 is defeated The second input 282 for entering end 262, the second input 272 of the second logic gates 27 and the 3rd logic gates 28 is distinguished It is connected with primary colours output control signal end EN, output end 283 and the light source of the first logic gates 26 gate the defeated of control module 1 Enter end, the 3rd input 53, second of primary lights sequential export module 5 drives the first input end 31 of logic module 3 to connect respectively Connect；The output end 273 of second logic gates 27 is patrolled with the 4th input 54 of primary lights sequential export module 5 and the 3rd driving The first input end for collecting module 4 connects respectively；Second input of the 3rd logic gates and the output end of light source selecting module Connection, the output end 283 of the 3rd logic gates 28 drive with the 5th input 55, second of primary lights sequential export module 5 Second input 32 of logic module 2 and the 3rd input 44 of the 3rd driving logic module 4 connect respectively.

It should be noted that the first logic gates, the second logic gates and the 3rd logic gates can be with Gate circuit, certainly, in actual applications, first logic gates, the second logic gates and the 3rd logic gates may be used also Think other logic gates, the embodiment of the present invention is not especially limited to this.

Referring to Fig. 1 F, the second driving logic module 3 includes the 4th logic gates 36, the 5th logic gates 37 and sequential Control circuit device 38.

The first input end 361 of 4th logic gates 36 is connected with the first output end 23 of the first driving logic module 2, Second input 362 of the 4th logic gates 36 is connected with the 3rd output end 25 of the first driving logic module 2, the 4th logic The output end 363 of gate circuit 36 is connected with the input 371 of the 5th logic gates 37；The output end of 5th logic gates 37 372 are connected with the first input end 381 of sequential control circuit device 38, the second input 382 of sequential control circuit device 38 It is connected with gate control signal end, the output end 383 of sequential control circuit device 38 is the 4th defeated with the 3rd driving logic module 4 Enter end 45, blue laser output end connects respectively, the 3rd input 384 of sequential control circuit device 38 is grounded.

It should be noted that the 4th logic gates 36 can be and gate circuit, the 5th logic gates 37 can be non- Gate circuit, sequential control circuit device 38 can be light source gate, certainly in actual applications, the 4th logic gates 36 Can also be other logic gates with the 5th logic gates 37, sequential control circuit device 38 can also be other circuit elements Part, the embodiment of the present invention are not specifically limited to this.

Referring to Fig. 1 G, the 3rd driving logic module 4 includes the 6th logic gates 47, the 7th logic gates the 48, the 8th Logic gates 49 and buffer 410；

The first input end 471 of 6th logic gates 47 is connected with the second output end 24 of the first driving logic module 2, Second input 472 of the 6th logic gates 47 is connected with the 3rd output end 25 of the first driving logic module 2, the 6th logic The output end 473 of gate circuit 47 is connected with the first input end 481 of the 7th logic gates 48；The of 7th logic gates 48 Two inputs 482 are connected with the output end of light source gating control module 1, output end 483 and the buffering of the 7th logic gates 48 Input 4101, the input 491 of the 8th logic gates 49 of device 410 connect respectively, the output of the 8th logic gates 49 End 492 is connected with red laser output end；The conduction terminal 4103 of buffer 4101 and the output end 34 of the second drive circuit 3 connect Connect, output end 4102 and the blue laser output end of buffer 410.

It should be noted that the 6th logic gates 47 and the 7th logic gates 48 can be and gate circuit, the 8th patrols Volume gate circuit 49 can be not circuit, in actual applications, the 6th logic gates 47, the 7th logic gates 48 and the Eight logic gates 49 can also be other logic gates, and the embodiment of the present invention is not specifically limited to this.

In addition, in embodiments of the present invention, referring to Fig. 1 H, the first input end 261 of the first logic gates 26, second are patrolled The first input end 281 of the logic gates 28 of first input end 271 and the 3rd of volume gate circuit 27 respectively with lighting control signal Hold D connections, the second input 262 of the first logic gates 26, the second input 272 and the 3rd of the second logic gates 27 Second input 282 of logic gates 28 is connected with primary colours output control signal end EN respectively, the first logic gates 26 Output end 263 is patrolled with the input of light source gating control module 1, the 3rd input the 53, the 4th of primary lights sequential export module 5 The first input end 361 for collecting gate circuit 36 connects respectively；The output end 273 of second logic gates 27 and primary lights sequential export The 4th input 54 and the first input end 471 of the 6th logic gates 47 of module 5 connect respectively；3rd logic gates 28 The 5th input 55, the second input 362 of the 4th logic gates 36 of output end 283 and primary lights sequential export module 5 Connected respectively with the second input 472 of the 6th logic gates 47；The output end 363 of 4th logic gates 36 is patrolled with the 5th The input 371 of volume gate circuit 37 connects, and the of the output end 372 of the 5th logic gates 37 and sequential control circuit device 38 One input 381 is connected, and the second input 382 of sequential control circuit device 38 is connected with gate control signal end, sequential control The output end 383 of circuit devcie 38 processed is connected respectively with the conduction terminal 4103 of buffer 410, blue laser output end, sequential control 3rd input 384 of circuit devcie 38 processed is grounded.The logic gates 48 of output end 473 and the 7th of 6th logic gates 47 First input end 481 connect, the output end 482 of the 7th logic gates 48 is patrolled with the input the 4101, the 8th of buffer 410 The input 491 for collecting gate circuit 49 connects respectively, output end 492 and the red laser output end of the 8th logic gates 49；It is slow Rush the output end 4102 and blue laser output end of device 410.

Due to the first input end 261 of the first logic gates 26, the and of first input end 271 of the second logic gates 27 The first input end 281 of 3rd logic gates 28 is connected with lighting control signal end D respectively, and the of the first logic gates 26 Two inputs 262, the second input 272 of the second logic gates 27 and the second input 282 of the 3rd logic gates 28 It is connected respectively with primary colours output control signal end EN；The logic gates 47 of output end 273 and the 6th of second logic gates 27 First input end 471 connects；Second input of the logic gates 47 of output end 283 and the 6th of the 3rd logic gates 28 472 connections；The output end 473 of 6th logic gates 47 is connected with the first input end 481 of the 7th logic gates 48, and the 7th The output end 482 of logic gates 48 is connected with the input 491 of the 8th logic gates 49, the 8th logic gates 49 it is defeated Go out end 492 and red laser output end.Therefore, when light source laser output unit corresponding to the primary colours output control signal is red Corresponding to laser output during red laser output unit 6, the first logic gates 26, the second logic gates the 27, the 3rd are patrolled The primary colours can be based on by collecting gate circuit 28, the 6th logic gates 47, the 7th logic gates 48 and the 8th logic gates 49 Output control signal and the lighting control signal, generate the color of light and light clock signal, and the color of light is lighted into sequential letter Number output is to red laser output unit 6 corresponding to red laser output end.It is red that the red laser output unit can be based on this Color output control signal and color of light light clock signal output red light.

Such as in three-color light source laser as shown in fig. 1H and color of light output timing schematic diagram, when the primary colours are defeated When to go out control signal be red output control signal 100, light source laser output unit is corresponding to the primary colours output control signal Red laser output unit 6, and the lighting control signal is high level signal, therefore, first logic gates 26, second are patrolled Collect gate circuit 27, the 3rd logic gates 28, the 6th logic gates 47, the 7th logic gates 48 and the 8th logic gates 49 can be based on the primary colours output control signal and the lighting control signal, generate red light corresponding to red output control signal Clock signal is lighted, and the red light is lighted into clock signal and exported to red laser output list corresponding to red laser output end Member 6.The red laser output unit 6 can light clock signal output based on the red output control signal 100 and red light Red light.

Again because the first input end 361 of the output end 263 and the 4th logic gates 36 of the first logic gates 26 connects Connect；The output end 283 of 3rd logic gates 28 is also connected with the second input 362 of the 4th logic gates 36；4th patrols The output end 363 for collecting gate circuit 36 is connected with the input 371 of the 5th logic gates 37, the output of the 5th logic gates 37 End 373 is connected with the first input end 381 of sequential control circuit device 38, the second input of sequential control circuit device 38 382 are connected with the second gate control signal end B, the output end 383 of sequential control circuit device 38 and the conduction terminal of buffer 410 4103 connections, the 3rd input 384 of sequential control circuit device 38 are grounded.The output end 483 of 7th logic gates 48 is also It is connected with the input 4101 of buffer 410, the output end 4102 of buffer 410 is connected with blue laser output end.Therefore, when When light source laser output unit corresponding to the primary colours output control signal is the blue laser output unit 7, first gate Circuit 26, the second logic gates 27, the 3rd logic gates 28, the 4th logic gates 36, the 5th logic gates 37, It is defeated that six logic gates 47, the 7th logic gates 48, buffer 410 and sequential control circuit device 38 can be based on the primary colours Go out control signal and the lighting control signal, generation color of light lights clock signal, and it is defeated that the color of light is lighted into clock signal Go out to blue laser output unit.The blue laser output unit 7 can be based on blue output control signal and the color luminous point Bright clock signal output blue light；Or the blue laser output unit 7 can be based on the yellow output control signal and color The bright clock signal output sodium yellow of luminous point.

Such as when the primary colours output control signal is blue output control signal 010, the primary colours output control signal pair The light source laser output unit answered is blue laser output unit 7 corresponding to blue laser output end, and the lighting control signal For high level signal, therefore, first logic gates 26, the second logic gates 27, the 3rd logic gates the 28, the 4th are patrolled Collect gate circuit 36, the 5th logic gates 37, the 6th logic gates 47, the 7th logic gates 48, buffer 410 and sequential Control circuit device 38 can be based on the primary colours output control signal and the lighting control signal, generate blue output control signal Corresponding color of light lights clock signal, and the color of light is lighted into clock signal and exported to indigo plant corresponding to blue laser output end Color laser output unit 7.The blue laser output unit 7 can be lighted based on the blue output control signal 001 and color of light Clock signal output blue light.When the primary colours output control signal is yellow output control signal 110, the primary colours output control Light source laser cell corresponding to signal is blue laser output unit 7, and the lighting control signal is high level signal, therefore, First logic gates 26, the second logic gates 27, the 3rd logic gates 28, the 4th logic gates the 36, the 5th are patrolled Collecting gate circuit 37, the 6th logic gates 47, the 7th logic gates 48, buffer 410 and sequential control circuit device 38 can So that based on the primary colours output control signal and the lighting control signal, color of light corresponding to generation yellow output control signal is lighted Clock signal, and the color of light is lighted into clock signal and exported to blue laser output unit 7.The blue laser output unit 7 The yellow output control signal 110 can be based on and color of light lights clock signal output sodium yellow.

In addition, due also to the output end 383 of sequential control circuit device 38 is connected with green laser output end.Therefore, when Light source laser output unit corresponding to the primary colours output control signal is that green laser output is single corresponding to green laser output end During member 8, the first logic gates 26, the second logic gates 27, the 3rd logic gates 28, the 4th logic gates 36, the Five logic gates 37 and sequential control circuit device 38 can be based on the primary colours output control signal and the lighting control signal, Generate the color of light and light clock signal, and the color of light is lighted into clock signal and exported to corresponding to the green laser output end Green laser output unit 8.When the green laser output unit 8 can be lighted based on the green output control signal and color of light Sequential signal exports green light.

Such as when the primary colours output control signal is green output control signal 010, the primary colours output control signal pair The light source laser output unit answered is green laser output unit 8, and the lighting control signal is high level signal, therefore, the One logic gates 26, the second logic gates 27, the 3rd logic gates 28, the 4th logic gates 36, the 5th gate Circuit 37 and sequential control circuit device 38 can be based on the primary colours output control signal and the lighting control signal, generation green Color of light corresponding to output control signal lights clock signal, and by the color of light light clock signal export it is defeated to green laser Go out unit 8.The green laser output unit 8 can light clock signal based on the green output control signal 010 and color of light Export green light.

In embodiments of the present invention, when the projection light source system is more to projection light source drive circuit input by output end During individual logical signal, the projection light source drive control circuit can be based on the plurality of logical signal, and control mould is gated by light source Block, first drive logic module and primary lights sequential export module from red laser output end, blue laser output end and green At least one light source laser output is gated in laser output.Meanwhile the projection light source drive control circuit can be based on it is more The primary colours output control signal that individual logical signal includes, pass through the first driving logic module, the second driving logic module and the Color of light corresponding to three driving logic module generations lights clock signal, and color of light is lighted into clock signal and exported at least one In kind light source laser output.Again due to for each light source laser output at least one light source laser output, being somebody's turn to do The corresponding light source laser output unit of light source laser output, therefore the projection light source drive circuit can be based on the plurality of patrol Feux rouges brightness regulated signal that volume signal includes, green glow brightness regulated signal, blue light brightness Regulate signal, gold-tinted brightness regulation Signal, primary colours output control signal and color of light light clock signal, pass through the output pair of at least one light source laser output unit The color of light answered, so as to realize at least one LASER Light Source, such as the driving control of two-color laser light source or three color LASER Light Sources System, that is to say, projection light source drive control circuit provided in an embodiment of the present invention, can select to access by multiple logical signals Two-color laser light source or three color LASER Light Sources, so as to be applicable the drive control of a variety of LASER Light Sources, and then realize projection The compatibility and versatility of light source drive control circuit, add the scope of application of projection light source drive control circuit.

One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims

1. a kind of projection light source drive control circuit, it is characterised in that including light source gating control module, the first driving logic mould Block, the second driving logic module, the 3rd driving logic module, red laser output unit, blue laser output unit and green Laser output unit；

The input of light source gating control module, the first driving logic module input respectively with projection light source system The output end connection of system, the output end and the red laser output unit, blue laser of the light source gating control module are defeated Go out unit and the green laser output unit connects respectively, believed with the multiple logics exported based on the projection light source system Number, logic module is driven from the red laser output unit, the indigo plant by light source gating control module, described first Gate at least one light source laser output unit in color laser output unit and the green laser output unit, and it is described at least A kind of light source laser output unit comprises at least the blue laser output unit；

The output end of the first driving logic module gates the input of control module with the light source, second driving is patrolled Collect the input of module and the input of the 3rd driving logic module connects respectively, described second drives the defeated of logic module Enter end to be connected with the output end of the projection light source system, output end and the described 3rd driving of the second driving logic module The input of logic module and the green laser output unit connect respectively；It is described 3rd driving logic module input with The output end connection of the light source gating control module, the output end of the 3rd driving logic module and the blue laser are defeated Go out unit connection, based on the multiple logical signal, to pass through the described first driving logic module, the second driving logic mould Color of light corresponding to block and the 3rd driving logic module generation lights clock signal, and the color of light is lighted into sequential letter Number output at least one light source laser output unit so that every kind of at least one light source laser output unit Color of light corresponding to the output of light source laser output unit.

2. projection light source drive control circuit as claimed in claim 1, it is characterised in that the blue laser output unit is also Including primary lights sequential export module, wherein, the input of the primary lights sequential export module respectively with the projection light source The output end of system, the output end of the first driving logic module, the output end of light source gating control module connect respectively Connect.

3. projection light source drive control circuit as claimed in claim 1, it is characterised in that the projection light source system output Multiple logical signals comprise at least：Primary colours optical output control signal and primary lights brightness regulated signal.

4. projection light source drive control circuit as claimed in claim 1, it is characterised in that the red laser output unit, Green laser output unit respectively further comprises feux rouges control unit and green glow control unit.

5. projection light source drive control circuit as claimed in claim 1, it is characterised in that the red laser output unit, Green laser output unit and blue laser output unit include red laser output end respectively, and green laser output end is blue Color laser output.

6. projection light source drive control circuit as claimed in claim 3, it is characterised in that the output of the projection light source system Primary lights brightness regulated signal comprise at least：Feux rouges brightness regulated signal, blue light brightness Regulate signal, green glow brightness regulation letter Number.

7. projection light source drive control circuit as claimed in claim 3, it is characterised in that the primary colours optical output control signal Including：Feux rouges output control signal, blue laser output control signal, green glow output control signal.