CN106226983B

CN106226983B - projection light source drive control circuit

Info

Publication number: CN106226983B
Application number: CN201610768674.5A
Authority: CN
Inventors: 崔荣荣; 郭大勃; 李健锋
Original assignee: Hisense Group Co Ltd
Current assignee: Hisense Group Co Ltd
Priority date: 2016-06-30
Filing date: 2016-08-30
Publication date: 2018-11-20
Anticipated expiration: 2036-08-30
Also published as: CN108333857A; CN106154720A; CN206209269U; CN108267918A; CN106154720B; CN106249530B; CN108333857B; CN106249530A; CN106226983A; CN108267918B

Abstract

The invention discloses a kind of projection light source drive control circuits, belong to photoelectric field.The projection light source drive control circuit includes light source gating control module, makes energy control module, sequential export control module, primary lights output control module, the first primary lights output module, the second primary lights output module and third primary lights output module.Projection light source drive control circuit provided in an embodiment of the present invention, it can choose at least one primary colours radiant of access by multiple signals that signal input part drives into, for example select primary colours radiant in a kind of primary colours radiant or two kinds of primary colours radiants or three, so as to be applicable in the drive control of multiple primary colors radiant, and then the compatibility and versatility of projection light source drive control circuit are realized, increase the scope of application of projection light source drive control circuit.

Description

Projection light source drive control circuit

This application claims in submission on June 30th, 2016 Patent Office of the People's Republic of China, application No. is 201610510773.3, invention names The referred to as priority of the Chinese patent application of " projection light source drive control circuit and driving logic control method ", entire contents It is hereby incorporated by reference in the application.

Technical field

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

Background technique

With the development of science and technology, needing the scene using laser projection product more and more, in order to obtain better projection Effect, the mode that people carry out drive control to laser light source to drive control circuit in laser projection product are increasingly paid close attention to.

Currently, laser projection product uses monochromatic laser light source or two-color laser light source mostly, when in laser projection product When using monochromatic laser light source, which is blue laser light source, which can To export feux rouges, green light, blue light and yellow light under the control of corresponding monochromatic source driving circuit.Make when in laser projection product When with two-color laser light source, which is red laser light source and blue laser light source, which can To export feux rouges under the control of double-colored light source driving circuit, blue laser light source can be with broken color wheel model group in the double-colored light source The lower output green light of driving circuit control, blue light and yellow light.

In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems：

When being projected using monochromatic laser light source, monochromatic source driving circuit can be used to the monochromatic laser light source It is driven；And when being projected using two-color laser light source, which can not be applied to double-colored sharp In radiant, but the double-colored light source driving circuit of a special driving two-color laser light source is needed, while reducing driving control The versatility of circuit processed, and increase design cost.

Summary of the invention

In order to solve problems in the prior art, the embodiment of the invention provides a kind of projection light source drive control circuits.Institute It is as follows to state technical solution：

On the one hand, a kind of projection light source drive control circuit is provided, the projection light source drive control circuit includes light Source gating control module keeps energy control module, sequential export control module, primary lights output control module, the first primary lights defeated Module, the second primary lights output module and third primary lights output module out；

The input terminal of the light source gating control module is connect with signal input part, and the light source gates the defeated of control module Outlet is connect with the input terminal of the primary lights output control module, with the light source type choosing inputted by the signal input part Logical control signal and lighting control signal, and the color of light brightness regulated signal that the signal input part inputs is exported to the base In coloured light output control module；

The input terminal for making energy control module is connect with the signal input part, the output end for making energy control module It gates and controls with the input terminal of the primary lights output control module, the input terminal of the sequential export control module and the light source The input terminal of molding block is separately connected, the lighting control signal to be inputted by the signal input part and color output control letter Number, logic enable signal is generated, and the logic enable signal is exported to the primary lights output control module, the timing Output control module and the light source gate control module；

The input terminal of the primary lights output control module is connect with the signal input part, the primary colours light output control The input terminal and third of the input terminal of the output end of module and the first primary lights output module, the second primary lights output module The input terminal of primary lights output module is separately connected, and to be based on the logic enable signal, the signal input part is inputted Color of light brightness regulated signal is exported into corresponding primary lights output module；

The input terminal and the signal input part of the sequential export control module and the light source gate control module Output end is separately connected, the output end of the sequential export control module and the first primary lights output module, described second Primary lights output module and the third primary lights output module are separately connected, to be based on the logic enable signal and the light Source Type gate control signal generates primary lights and lights clock signal, and the primary lights are lighted clock signal and are exported to right The primary lights output module answered, to light the corresponding primary lights output module of clock signal by the primary lights, based on described Color of light brightness regulated signal and the corresponding primary lights clock signal of the color of light brightness regulated signal export corresponding color Light.

Optionally, the signal input part includes that light source type gate control signal end, feux rouges brightness regulation end, green light are bright It spends adjustable side, blue light brightness adjustable side, yellow light brightness regulation end, lighting control signal end and color and exports control signal end.

Optionally, the primary lights output control module includes primary colours light control unit, feux rouges control unit and green light control Unit processed；

The first input end of the light source gating control module is connect with light source type gate control signal end, described Light source gates the second input terminal of control module and the first input end for making energy control module is controlled with the lighting respectively The third input terminal of signal end connection, the light source gating control module is connect with green light brightness regulation end, the light source 4th input terminal of gating control module is connect with feux rouges brightness regulation end, and the 5th of the light source gating control module is defeated Enter end to connect with first output end for making energy control module, the light source gate the first output end of control module with it is described The input terminal of feux rouges control unit connects, the second output terminal and the green light control unit of the light source gating control module Input terminal connection, the third output end of the light source gating control module and the first input end of the primary colours light control unit connect It connects, the 4th output end of the light source gating control module is connect with the second input terminal of the primary colours light control unit, with base It is defeated in the light source type gate control signal of light source type gate control signal end input and the lighting control signal end The lighting control signal entered, by the feux rouges brightness regulated signal of feux rouges brightness regulation end input and the green light brightness regulation The green light brightness regulated signal of end input is exported to the feux rouges control unit, green light control unit and the primary colours photocontrol list In member in corresponding control unit；

The drive output of the feux rouges control unit is connect with the input terminal of the first primary lights output module, with When the feux rouges control unit receives the feux rouges brightness regulated signal, by the logic enable signal, by the feux rouges Brightness regulated signal is exported to the first primary lights output module；

The drive output of the green light control unit is connect with the input terminal of the second primary lights output module, with When the green light control unit receives the green light brightness regulated signal, by the logic enable signal, by the green light Brightness regulated signal is exported to the second primary lights output module；

The third input terminal of the primary colours light control unit is connect with the blue light brightness adjustable side, the primary colours photocontrol 4th input terminal of unit is connect with yellow light brightness regulation end, the 5th input terminal of the primary colours light control unit with it is described Connect the output end of energy control module, the output end of the primary colours light control unit and the third primary lights output module Input terminal connection, with by the logic enable signal, the color of object brightness that the signal input part is inputted adjusts letter To the third primary lights output module, the color of object brightness adjustment signal is the logic enable signal pair for number output The color of light brightness regulated signal answered.

Optionally, the primary colours light control unit includes that the first enabled driving end, the second enabled driving end and third are enabled Drive end；

The enabled driving end of the first of the primary colours light control unit is connect with the first output end of energy control module is made, described The enabled driving end of the second of primary colours light control unit is connect with the second output terminal of energy control module is made, the primary colours photocontrol list The enabled driving end of the third of member is connect with the third output end of energy control module is made, to pass through the of the primary colours light control unit One enabled driving end receives the first enable signal that the logic enable signal includes, and passes through the of the primary colours light control unit Two enabled driving ends receive the second enable signal that the logic enable signal includes, and pass through the primary colours light control unit The enabled driving end of third receives the first enable signal that the logic enable signal includes；

Correspondingly, described by the logic enable signal, the color of object brightness that the signal input part is inputted Adjustment signal is exported to the third primary lights output module, including：

Based on first enable signal, second enable signal and the third enable signal, by the target face Coloured light brightness regulated signal is exported to the third primary lights output module.

Optionally, the feux rouges control unit includes driving end and output end；

The driving end of the feux rouges control unit is connect with the output end of the sequential export control module, the feux rouges control The output end of unit processed is connect with the input terminal of the first primary lights output module, to pass through the drive of the feux rouges control unit The primary lights that moved end receives the sequential export control module output light clock signal, and pass through the feux rouges control unit Output end exports the feux rouges brightness regulated signal to the first primary lights output module；

Correspondingly, described by the logic enable signal, the feux rouges brightness regulated signal is exported to described first Primary lights output module, including：

It receives the primary lights that the sequential export control module is generated based on the logic enable signal and lights clock signal；

Clock signal is lighted based on the primary lights, the feux rouges brightness regulated signal is exported to first primary lights Output module.

Optionally, the green light control unit includes driving end and output end；

The driving end of the green light control unit is connect with the output end of the sequential export control module, the green light control The output end of unit processed is connect with the input terminal of the second primary lights output module, to pass through the drive of the green light control unit The primary lights that moved end receives the sequential export control module output light clock signal, and pass through the green light control unit Output end exports the green light brightness regulated signal to the second primary lights output module；

Correspondingly, described by the logic enable signal, the green light brightness regulated signal is exported to described second Primary lights output module, including：

Clock signal is lighted based on the primary lights, the green light brightness regulated signal is exported to second primary lights Output module.

Optionally, described that energy control module is made to include the first logic gates, the second logic gates and third logic gate Circuit；

The first input end of first logic gates, the first input end of second logic gates and described The first input end of three logic gates is connect with the lighting control signal end respectively, and the second of first logic gates Second input terminal of input terminal, the second input terminal of second logic gates and the third logic gates respectively with institute Color output control signal end connection is stated, output end and the light source of first logic gates gate the defeated of control module Enter end, the first input end of the input terminal of the primary lights output control module, the sequential export control module is separately connected, To be exported based on the color, the red output that control signal includes controls signal and lighting control signal generates first and makes Can signal, and by first enable signal export to the light source gating control module, the sequential export control module and In the primary lights output control module；

The input terminal and the timing of the output end of second logic gates and the primary lights output control module Second input terminal of output control module is separately connected, to export the green output control that control signal includes based on the color Signal and lighting control signal generate the second enable signal, and second enable signal is exported to the sequential export In control module and the primary lights output control module；

The output end of the third logic gates and the input terminal of the primary lights output control module, the timing are defeated The third input terminal of control module is separately connected out, to export the blue output control letter that control signal includes based on the color Number and lighting control signal generate third enable signal, and the third enable signal is exported to the sequential export control In molding block and the primary lights output control module.

Optionally, the sequential export control module includes the 4th logic gates, the 5th logic gates, the 6th logic Gate circuit, the 7th logic gates, the 8th logic gates, buffer and sequential control circuit；

The first input end of 4th logic gates is connect with first output end for making energy control module, described Second input terminal of the 4th logic gates is connect with the third output end for making energy control module, the 4th logic gate electricity The output end on road is connect with the input terminal of the 5th logic gates, the output end of the 5th logic gates and it is described when The first input end of sequence control circuit connects, and the second input terminal of the sequential control circuit and light source type gating control Signal end connection, the conduction terminal and the second primary colours light output mould of the output end of the sequential control circuit and the buffer The input terminal of block is separately connected, the third input end grounding of the sequential control circuit, the 4th logic gates and described 5th logic gates, which is used to generate green light based on the logic enable signal, lights clock signal, and by the green luminous point Bright clock signal is exported to the sequential control circuit, to be based on light source type gating control by the sequential control circuit Signal processed exports the green light clock signal to the second primary lights output module；

The first input end of 6th logic gates is connect with the second output terminal for making energy control module, described Second input terminal of the 6th logic gates is connect with the third output end for making energy control module, the 6th logic gate electricity The output end on road is connect with the first input end of the 7th logic gates, the second input terminal of the 7th logic gates It is connect with the output end of light source gating control module, the output end of the 7th logic gates is defeated with the buffer Enter end, the input terminal of the 8th logic gates is separately connected, the output end and described first of the 8th logic gates The input terminal of primary lights output module connects, the input terminal of the output end of the buffer and the third primary lights output module Connection, the 6th logic gates and the 7th logic gates are used to generate the indigo plant based on the logic enable signal Coloured light lights clock signal, and the blue light clock signal is exported into the buffer, when the sequential control circuit base When the buffer is connected in the light source type gate control signal, the buffer is used to the blue light lighting timing Signal is exported to the third primary lights output module, the 6th logic gates, the 7th logic gates and described 8th logic gates is used to be generated the red light based on the logic enable signal and lights clock signal, and by the red The bright clock signal of luminous point is exported to the first primary lights output module.

Optionally, the first primary lights output module includes red laser, the second primary lights output module packet Green laser is included, the third primary lights output module includes blue laser.

Technical solution bring beneficial effect provided in an embodiment of the present invention is：When the signal input part is to the projection light source When driving circuit inputs multiple signals, which can be based on the light source class of signal input part input Type gate control signal, by light source gate control module input a signal into end input color of light brightness regulated signal export to Primary lights output control module, meanwhile, this allows energy control module to be based on lighting control signal and color output control signal Logic enable signal is generated, and the logic enable signal is exported to primary lights output control module and sequential export and controls mould Block, the primary lights output control module can be based on the logic enable signal, and the corresponding color of the logic enable signal is bright Degree adjustment signal is exported to corresponding primary lights output module；The sequential export control module can be raw with logic-based enable signal Clock signal is lighted at primary lights, and the primary lights are lighted into clock signal and are exported into corresponding primary lights output module；It is right The primary lights output module answered is receiving color of light brightness regulated signal primary colours corresponding with the color of light brightness regulated signal When the bright clock signal of luminous point, corresponding color of light can be exported, to realize at least one primary lights light source light source, such as one The drive control for planting primary colours radiant in primary colours radiant or two kinds of primary colours radiants or three, that is to say, the embodiment of the present invention mentions The projection light source drive control circuit of confession can choose at least one primary colours of access by multiple signals that signal input part inputs Radiant, for example a kind of primary colours radiant or two kinds of radiants or three kinds of primary colours radiants are selected, so as to be applicable in a variety of bases The drive control of coloured light light source, and then the compatibility and versatility of projection light source drive control circuit are realized, increase projection The scope of application of light source drive control circuit.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is the structural schematic diagram of the first projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 2 is the structural schematic diagram of second of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 3 is the structural schematic diagram of the third projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 4 is the structural schematic diagram of the 4th kind of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 5 is the structural schematic diagram of the 5th kind of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 6 is the structural schematic diagram of the 6th kind of projection light source drive control circuit provided in an embodiment of the present invention；

Fig. 7 is a kind of color output control signal provided in an embodiment of the present invention and three kinds of primary lights output module outputs The time diagram of color of light；

Fig. 8 is a kind of color output control signal provided in an embodiment of the present invention and two kinds of primary lights output module outputs The time diagram of color of light；

Fig. 9 is a kind of color output control signal provided in an embodiment of the present invention and a kind of output of primary lights output module The time diagram of color of light.

Appended drawing reference：

1：Light source gating control module, 2：Make energy control module, 3：Sequential export control module,

4：Primary lights output control module, 5：First primary lights output module, 6：Second primary lights output module, 7：Third Primary lights output module；

100：The input terminal of light source gating control module, 101：Light source gates the output end of control module,

200：Make the input terminal of energy control module, 201：Make the output end of energy control module,

300：The input terminal of sequential export control module, 301：The output end of sequential export control module,

400：The input terminal of primary lights output control module, 401：The output end of primary lights output control module,

500：The input terminal of first primary lights output module, 600：The input terminal of second primary lights output module,

700：The input terminal of third primary lights output module, IN：Signal input part；

A：First gate control signal end, B：Second gate control signal end, C：Third gate control signal end, D：Lighting Control signal end；

EN：Color exports control signal end, G_PWM：Green light brightness regulation end, R_PWM：Feux rouges brightness regulation end, B_ PWM：Blue light brightness adjustable side, Y_PWM：Yellow light brightness regulation end；

R_EN：Red output control signal end, G_EN：Green output control signal end, B_EN：Blue output control signal End.

A0：Light source gates the first input end of control module, B0：Light source gates the second input terminal of control module, C0：Light Source gates the third input terminal of control module, D0：Light source gates the 4th input terminal of control module, b：The of light source gating unit Five input terminals, a：6th input terminal of light source gating unit, cx：Light source gates the 7th input terminal of control module, cy：Light source choosing 8th input terminal of logical control module, ax：Light source gates the first output end of control module, by：Light source gates control module Second output terminal, ay：Light source gates the third output end of control module 1, bx：Light source gates the 4th output end of control module, c：5th output end of light source gating unit；

21：First logic gates, 22：Second logic gates, 23：Third logic gates；

211：The first input end of first logic gates, 212：Second input terminal of the first logic gates, 213：The The output end of one logic gates, 221：The first input end of second logic gates, 222：The second of second logic gates Input terminal, 223：The output end of second logic gates, 231：The first input end of third logic gates, 232：Third logic Second input terminal of gate circuit, 233：The output end of third logic gates；

23：Make the first output end of energy control module, 24：Make the second output terminal of energy control module,

25：Make the third output end of energy control module；

31：The first input end of sequential export control module, 32：Second input terminal of sequential export control module, 33：When The third input terminal of sequence output control, 34：4th input terminal of sequential export control, 35：The 5th of sequential export control module Input terminal, 36：4th logic gates, 37：5th logic gates, 38：Sequential control circuit；

361：The first input end of 4th logic gates, 362：Second input terminal of the 4th logic gates, 363：The The output end of four logic gates, 371：The input terminal of 5th logic gates, 372：The output end of 5th logic gates, 381：The first input end of sequential control circuit, 382：Second input terminal of sequential control circuit, 383：Sequential control circuit Output end, 384：The third input terminal of sequential control circuit；

39：6th logic gates, 310：7th logic gates, 311：8th logic gates, 312：Buffer；

391：The first input end of 6th logic gates, 392：Second input terminal of the 6th logic gates, 393：The The output end of six logic gates, 3101：The first input end of 7th logic gates, 3102：The of 7th logic gates Two input terminals, 3103：The output end of 7th logic gates, 3111：The input terminal of 8th logic gates, 3112：8th patrols The output end of volume gate circuit, 3121：The conduction terminal of buffer, 3122：The input terminal of buffer, 3123：The output end of buffer；

402：The enabled receiving end of the first of primary lights output control module, 403：The second of primary lights output control module makes Energy receiving end, 404：The enabled receiving end of the third of primary lights output control module, 405：Adjustment signal receiving end, 406：Primary lights The enabled driving end of the first of output control module, 407：The enabled driving end of the second of primary lights output control module；

41：Unit is led in primary colours photocontrol, and 42：Feux rouges control unit, 43：Green light control unit；

411：The first input end of primary colours light control unit, 412：Second input terminal of primary colours light control unit；

413：The third input terminal of primary colours light control unit, 414：4th input terminal of primary colours light control unit；

415：5th input terminal of primary colours light control unit, 416：The output end of primary colours light control unit；

A1：The enabled control terminal of the first of primary colours light control unit, A2：The enabled control terminal of the second of primary colours light control unit, A3：The third of primary colours light control unit enables control terminal；

ASR：The drive output of feux rouges control unit, ASG：The drive output of green light control unit,

Br：The input terminal of feux rouges control unit, Ar：The output end of feux rouges control unit, Sr：The driving of feux rouges control unit End, Bg：The input terminal of green light control unit, Ag：The output end of green light control unit, Sg：The driving end of green light control unit；

51：First driving end of the first primary lights output module, 52：Second driving end of the first primary lights output module, 61：First driving end of the second primary lights output module, 62：Second driving end of the second primary lights output module, 71：Third base First driving end of coloured light output module, 72：Second driving end of third primary lights output module.

Specific embodiment

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

Fig. 1 is a kind of structural schematic diagram of projection light source drive control circuit provided in an embodiment of the present invention, referring to Fig. 1, The projection light source drive control circuit include light source gating control module 1, make energy control module 2, sequential export control module 3, Primary lights output control module 4, the first primary lights output module 5, the second primary lights output module 6 and third primary colours light output mould Block 7；

The input terminal 100 of light source gating control module 1 is connect with signal input part IN, which gates control module 1 Output end 101 connect with the input terminal 400 of the primary lights output control module 4, with by the signal input part IN input Light source type gate control signal and lighting control signal, and the color of light brightness regulated signal that signal input part IN is inputted is defeated Out into the primary lights output control module 4；

This connect the input terminal 200 of energy control module 2 with signal input part IN, this makes the output end of energy control module 2 201 gate with the input terminal 400 of the primary lights output control module 4, the input terminal 300 of sequential export control module 3 and light source The input terminal 100 of control module 1 is separately connected, and controls signal and color output with the lighting by signal input part IN input Signal is controlled, logic enable signal is generated, and the logic enable signal is exported defeated to primary lights output control module 4, timing Control module 3 and light source gate control module 1 out；

The input terminal 400 of the primary lights output control module 4 is connect with signal input part IN, which controls mould The input terminal 600 of the input terminal 500 of the output end 401 of block 4 and the first primary lights output module 5, the second primary lights output module 6 It is separately connected with the input terminal 700 of third primary lights output module 7, to be based on the logic enable signal, by the signal input part The color of light brightness regulated signal of IN input is exported into corresponding primary lights output module；

The output of input terminal 300 and signal input part IN and light source the gating control module 1 of the sequential export control module 3 End 101 is separately connected, and the output end 301 of sequential export control module 3 and the first primary lights output module 5, the second primary lights are defeated Module 6 and third primary lights output module 7 are separately connected out, based on the logic enable signal and light source type gating control letter Number, it generates primary lights and lights clock signal, and the primary lights are lighted into clock signal and are exported to corresponding primary lights output module, To light the corresponding primary lights output module of clock signal by primary lights, it is based on the color of light brightness regulated signal and color of light The corresponding primary lights clock signal of brightness regulated signal exports corresponding color of light.

Since the input terminal 100 of light source gating control module 1 is connect with signal input part IN, light source gating control mould The output end 101 of block 1 is connect with primary lights output control module 4, therefore, when light source type gating control module 1 receives It, can be by the color light when color of light brightness regulated signal and light source type gate control signal of signal input part IN input Degree adjustment signal export into the primary lights output control module 4, the input terminal 400 of the primary lights output control module 4 also with This is separately connected the output end 201 of energy control module 2 and signal input part IN, and therefore, which can To receive the color of light brightness regulated signal of signal input part IN and the light source gating output of control module 1, and it is enabled based on this The logic enable signal that control module 2 generates, which is exported respectively to corresponding primary colours light output In module.Due also to make the output end 201 of energy control module 2 also with the input terminal 500, second of the first primary lights output module 5 The input terminal 600 of primary lights output module 6 and the input terminal 700 of third primary lights output module 7 are separately connected, therefore, this when Sequence output control module 3 can generate primary lights based on the logic enable signal and light clock signal, and the primary lights are lighted Clock signal is exported to corresponding primary lights output module, and corresponding primary lights output module is receiving color of light brightness regulation When signal primary lights corresponding with the color of light brightness regulated signal light clock signal, corresponding color of light can be exported, from And it realizes at least one primary colours radiant, such as a kind of primary colours radiant or two kinds of primary lights radiants or three kinds of primary lights light The drive control of light source, that is to say, projection light source drive control circuit provided in an embodiment of the present invention, defeated by signal input part The multiple signals entered can choose at least one primary colours radiant of access, for example select a kind of primary colours radiant or two kinds of primary lights Light source or three kinds of primary colours radiants, so as to be applicable in the drive control of multiple primary colors radiant, and then realize projection light source The compatibility and versatility of drive control circuit, increase the scope of application of projection light source drive control circuit.

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

In addition, color output control signal is used to control the color of light of primary lights output module output, and the color exports Control signal may include red output control signal, green output control signal, blue output control signal and yellow output Signal is controlled, the embodiment of the present invention is not specifically limited in this embodiment.

It should be noted that primary lights, which light clock signal, drives various bases for controlling projection light source drive control circuit The sequence of coloured light output module output color of light.

Furthermore the logic enable signal may include the first enable signal, the second enable signal and third enable signal.

It should also be noted that, the signal input part includes light source type gate control signal end E, feux rouges brightness regulation end R_PWM, green light brightness regulation end G_PWM, blue light brightness adjustable side B_PWM, yellow light brightness regulation end Y_PWM, lighting control letter Number end D and color export control signal end EN.

In addition, light source type gate control signal end E may include the first gate control signal end A, the second gating control Signal end B and third gate control signal end C, correspondingly, light source type gate control signal include the first gate control signal, Second gate control signal and third gate control signal.

It is introduced respectively below for the various pieces in above-mentioned projection light source drive control circuit：

Light source gates control module 1

Referring to fig. 2, the first input end A0 of above-mentioned light source gating control module 1 is connect with the first gate control signal end A, Second input terminal B0 of light source gating control module 1 is connect with the second gate control signal end B, and light source gates control module 1 Third input terminal C0 connect with third gate control signal end C, light source gating control module 1 the 4th input terminal D0 and this make The input terminal 200 of energy control module 2 is connect with lighting control signal end D respectively, and light source gates the 5th input terminal of control module 1 B is connect with green light brightness regulation end G_PWM, and light source gates the 6th input terminal a and feux rouges brightness regulation end R_ of control module 1 7th input terminal cx of PWM connection, light source gating control module 1 is connect with the output end 201 of energy control module 2 is made, light source choosing The 8th input terminal cy ground connection of logical control module 1, light source gate the output end 101 and primary lights output module 4 of control module 1 Input terminal 400 connects.

Wherein, light source gating control module 1 can receive the first gating control of the first gate control signal end A input The second gate control signal, the third gate control signal end C that signal, the second gate control signal end input B are inputted are inputted The adjustable side R_PWM input of lighting control signal, feux rouges brightness that third gate control signal, lighting control signal end D are inputted Feux rouges brightness regulated signal, green light brightness regulation end G_PWM input green light brightness regulated signal and make energy control module 2 First enable signal of output.

In one possible implementation, when CBA is 110, light source gates control module 1 can be by feux rouges brightness tune Section signal and green light brightness regulated signal are input to primary lights output control module 4, and export one to sequential export control module 3 A logic zero signal.

In alternatively possible implementation, when CBA is 100, light source gates control module 1 can be by feux rouges brightness Adjustment signal and green light brightness regulated signal are input to primary lights output control module 4, and export to sequential export control module 3 One logic zero signal.

In alternatively possible implementation, when CBA is 001, light source gates control module 1 can be by feux rouges brightness Adjustment signal and green light brightness regulated signal are input to primary lights output control module 4, and by the first enable signal export to when Sequence output control module 3.

It should be noted that in embodiments of the present invention, it can be switching gate control device that light source, which gates control module, It certainly can also be other devices, the embodiment of the present invention is not specifically limited in this embodiment.

Make energy control module 2

It is above-mentioned that energy control module 2 is made to include the first logic gates 21, the second logic gates 22 and third referring to Fig. 3 Logic gates 23.

The first input end 211 of first logic gates 21, the first input end 221 of the second logic gates 22 and third The first input end 231 of logic gates 23 is connect with lighting control signal end D respectively, and the second of the first logic gates 21 is defeated Enter the second input terminal 232 difference at end 212, the second input terminal 222 of the second logic gates 22 and third logic gates 23 It is connect with color output control signal end EN, output end 233 and the light source of the first logic gates 21 gate the defeated of control module 1 Enter end 400, the input terminal 400 of primary lights output control module 4, timing control output module 3 first input end 31 connect respectively It connects, to be exported based on the color, the red output that control signal includes controls signal and lighting control signal generation first is enabled Signal, and by first enable signal export to the light source gating control module 1, sequential export control module 3 and primary lights it is defeated Out in control module 4.

The output end 223 of second logic gates 22 and the input terminal 400 of primary lights output control module 4 and sequential export Second input terminal 32 of control module 3 is separately connected, to export the green output control letter that control signal includes based on the color Number and lighting control signal generate the second enable signal, and second enable signal is exported to the sequential export control module 3 In the primary lights output control module 4.

The output end 233 of third logic gates 23 and input terminal 400, the sequential export of primary lights sequential export module 4 The third input terminal 33 of control module 3 is separately connected, to export the blue output control letter that control signal includes based on the color Number and lighting control signal generate third enable signal, and the third enable signal is exported to 3 He of sequential export control module In primary lights output control module 4.

Wherein, color output control signal end EN may include red output control signal end R_EN, green output control Signal end G_EN processed and blue output control signal end B_EN.Referring to Fig. 3, the second input terminal 212 of the first logic gates 21, Second input terminal 222 of the second logic gates 22 and the second input terminal 232 of third logic gates 23 are defeated with color respectively Control signal end EN connection out, that is to say, the second input terminal 212 and the red output of first logic gates 21 control signal R_EN connection is held, the second input terminal 222 of the second logic gates 22 is connect with green output control signal end G_EN, and third is patrolled The second input terminal 232 for collecting gate circuit 23 is connect with blue output control signal end B_EN.

In addition, when the output end 233 of the first logic gates 21 is connect with the input terminal of light source gating control module 1, It can be seen from the above, the 7th input terminal cx of light source gating control module 1 is connect with the output end 201 of energy control module 2 is made, namely It is, referring to Fig. 3 or Fig. 4, the 7th input terminal of output end 213 and light source the gating control module 1 of first logic gates 21 Cx connection.

Furthermore the input terminal 400 of the primary lights output control module 4, which includes that the first enabled receiving end 402, second is enabled, to be connect Receiving end 403 and third enable receiving end 404, therefore, the output end 213 of the first logic gates 21, the second logic gates 22 Output end 223 and third logic gates 23 the input terminal with primary lights sequential export module 4 respectively of output end 233 400 connections, that is to say, the first enabled reception of the output end 213 and primary lights output control module 4 of the first logic gates 21 402 connection of end, the output end 223 of the second logic gates 22 and the second enabled receiving end 403 of primary lights output control module 4 Connection, the output end 233 of third logic gates 23 enable receiving end 404 with the third of primary lights sequential export module 4 and connect. In addition, the input terminal 400 of the primary lights output control module 4 can also include adjustment signal receiving end 405, and the primary lights are defeated The output end 101 and signal input part IN of the adjustment signal receiving end 405 of control module 4 and light source gating control module 1 out It is separately connected.

It should also be noted that, the input terminal 300 of the sequential export control module 3 not only includes first input end 31, the Two input terminals 32 and third input terminal 33, the input terminal 300 of the sequential export control module 3 further include the 4th input terminal 34 and Five input terminals 35.Wherein, the 4th input terminal 34 of the sequential export control module 3 is connect with signal output end IN, and the timing is defeated The output end 101 of the 5th input terminal 35 with light source the gating control module 1 of control module 3 is connect out.

It should be noted that the first logic gates 21, the second logic gates 22 and third logic gates 23 Think AND gate circuit, certainly, in practical applications, first logic gates 21, the second logic gates 22 and third logic Gate circuit 23 can also be other logic gates, and the present invention is not especially limit this.

In one possible implementation, when the color output control signal of color output control signal end EN output is When red optical output control signal 100, the first logic gates 21 for making energy control module include is based on feux rouges output control letter Number 1 signal of logic and lighting control signal generate the first logical signal 1, and first logical signal is exported to light source to gate and is controlled Molding block 1, primary lights output control module 4 and sequential export control module 3；Make the second logic gate that energy control module 2 includes Circuit 22 is based on feux rouges output control 0 signal of signal logic and lighting control signal generates the second logical signal 0, and by this Two logical signals 0 are exported to primary lights output control module 4 and sequential export control module 3；Make that energy control module 2 includes Three logic gates 23 are based on feux rouges output control 0 signal of signal logic and lighting control signal generates third logical signal 0, And the third logical signal 0 is exported to primary lights output control module 4 and sequential export control module 3.

In alternatively possible implementation, when the color output control signal of color output control signal end EN output When for green optical output control signal 010, the first logic gates 21 for making energy control module 2 include is based on green light output control 0 signal of signal logic and lighting control signal generate the first logical signal 0, and first logical signal is exported to light source and is gated Control module 1, primary lights output control module 4 and sequential export control module 3；Make the second logic that energy control module 2 includes Gate circuit 22 is based on green light output control 1 signal of signal logic and lighting control signal generates the second logical signal 1, and should Second logical signal is exported to primary lights output control module 4 and sequential export control module 3；The energy control module 2 is set to include Third logic gates 23 is based on green light output control 0 signal of signal logic and lighting control signal generates third logical signal 0, and the third logical signal 0 is exported to primary lights output control module 4 and sequential export control module 3.

In alternatively possible implementation, when the color output control signal of color output control signal end EN output When controlling signal 001 for blue laser output, the first logic gates 21 for making energy control module 2 include is controlled based on the blue laser output 0 signal of signal logic and lighting control signal generate the first logical signal 0, and first logical signal 0 output to light source is selected Logical control module 1, primary lights output control module 4 and sequential export control module 3；Energy control module 2 includes second is set to patrol Gate circuit 22 is collected based on blue laser output control 0 signal of signal logic and lighting control signal the second logical signal 0 of generation, and by Second logical signal is exported to primary lights output control module 4 and sequential export control module 3；The energy control module 2 is set to include Third logic gates 23 be based on the blue laser output control 1 signal of signal logic and lighting control signal generate third logic letter Number 1, and the third logical signal is exported to primary lights output control module 4 and sequential export control module 3.

In alternatively possible implementation, when the color output control signal of color output control signal end EN output When for yellow optical output control signal 110, the first logic gates 21 for making energy control module 2 include is based on yellow light output control 1 signal of signal logic and lighting control signal generate the first logical signal 1, and first logical signal is exported to light source and is gated Control module 1, primary lights output control module 4 and sequential export control module 3；Make the second logic that energy control module 2 includes Gate circuit 22 is based on yellow light output control 1 signal of signal logic and lighting control signal generates the second logical signal 1, and should Second logical signal is exported to primary lights output control module 4 and sequential export control module 3；The energy control module 2 is set to include Third logic gates 23 is based on feux rouges output control 0 signal of signal logic and lighting control signal generates third logical signal 0, and the third logical signal is exported to primary lights output control module 4 and sequential export control module 3.

Sequential export control module 3

Referring to Fig. 5, which includes the 4th logic gates 36, the 5th logic gates 37, timing Control circuit 38, the 6th logic gates 39, the 7th logic gates 310, the 8th logic gates 311 and buffer 312.

The first input end 361 of 4th logic gates 36 is connect with the first output end 24 of energy control module 2 is made, and the 4th Second input terminal 362 of logic gates 36 is connect with the third output end 26 of energy control module 2 is made, the 4th logic gates 36 Output end 363 connect with the input terminal 371 of the 5th logic gates 37；The output end 372 of 5th logic gates 37 and when The first input end 381 of sequence control circuit 38 connects, and the second input terminal 382 and the light source type gating of sequential control circuit 38 are controlled Signal end connection processed, the output end 383 of sequential control circuit 38 and the conduction terminal 3121 of buffer 312 and the second primary colours light output The input terminal 600 of module 6 is separately connected, and the third input terminal 384 of sequential control circuit 38 is grounded, the 4th logic gates 36 It is used to generate green light based on the logic enable signal with the 5th logic gates 37 and lights clock signal, and by the green luminous point Bright clock signal is exported to the sequential control circuit 38, to be based on light source type gating control by the sequential control circuit 38 Signal exports the green light clock signal to the second primary lights output module 6.

The first input end 391 of 6th logic gates 39 is connect with the second output terminal 25 of energy control module 2 is made, and the 6th Second input terminal 392 of logic gates 39 is connect with the third output end 26 of energy control module 2 is made, the 6th logic gates 39 Output end 393 connect with the first input end 3101 of the 7th logic gates 310；The second of 7th logic gates 310 is defeated Enter end 3102 to connect with the output end of light source gating control module 1, the output end 3103 and buffer of the 7th logic gates 310 312 input terminal 3122, the input terminal 3111 of the 8th logic gates 311 are separately connected, the output of the 8th logic gates 311 End 3112 is connect with the input terminal 500 of the first primary lights output module 5；The output end 3123 and third primary lights of buffer 3121 The input terminal 700 of output module 7 connects, and the 6th logic gates 39 and the 7th logic gates 310 are used to make based on the logic Energy signal generates blue light and lights clock signal, which is exported into the buffer, when the timing control When the buffer is connected based on the light source type gate control signal in circuit 38, the buffer 312 is for lighting the blue light Clock signal is exported to third primary lights output module 7, the 6th logic gates 39, the 7th logic gates 310 and the 8th Logic gates 311, which is used to generate red light based on the logic enable signal, lights clock signal, and when the red light is lighted Sequential signal is exported to the first primary lights output module 500.

It should be noted that the 4th logic gates 36, the 6th logic gates 39 and the 7th logic gates 310 can be with For AND gate circuit, the 5th logic gates 37, the 8th logic gates 311 can be not circuit, and sequential control circuit 38 can Think light source gate, in practical applications, the 4th logic gates 36, the 5th logic gates 37, the 6th logic gate electricity Road 39, the 7th logic gates 310 and the 8th logic gates 311 can also be other logic gates, sequential control circuit 38 may be other circuit elements, and the embodiment of the present invention is not specifically limited in this embodiment.

In addition, the input terminal 400 of the primary lights output control module 4 can also include the first enabled driving end 406 and the Two enabled driving ends 407, and the first enabled driving end 406 of the primary lights output control module 4 and the 8th logic gates 311 Output end 3112 connect, the enabled driving end 407 of the first of the primary lights output control module 4 is defeated with sequential control circuit 38 Outlet 383 connects, therefore.The sequential control circuit 38 can be based on the light source type gate control signal for the green light sequential Signal is exported to the second primary lights output module 6, while can also be exported the green light clock signal to primary colours light output Control module 4, so that the green light brightness regulated signal that primary lights output control module 4 exports light source gate control signal exports To the second primary lights output module 6.

Similarly, the 6th logic gates 39, the 7th logic gates 310 and the 8th logic gates 311 can not only incite somebody to action Red light is lighted clock signal and is exported to the first primary lights output module 5, at the same the red light clock signal can be exported to Primary lights output control module 4, so that the feux rouges brightness tune that primary lights output control module 4 exports light source gate control signal Section signal is exported to the first primary lights output module 5.

Referring to fig. 4, in conjunction with the above-mentioned description to light source gating control module 1 and making energy control module 2, the 4th logic gate The first input end 361 of circuit 36 is connect with the output end 213 of the first logic gates 21, and the of the 4th logic gates 36 Two input terminals 362 are connect with the output end 233 of third logic gates 23；The first input end of 6th logic gates 39 391 connect Ei, the second input terminal 392 and third of the 6th logic gates with the output end 223 of the second logic gates 22 The output end of logic gates 23 connects, and the second input terminal 3102 and the light source of the 7th logic gates 310 gate control module The 5th output end c connection.

In one possible implementation, when the color output control signal that CBA is 110 and signal input part IN input When exporting control signal 100 for red, the 7th logic gates 310 which includes can receive light Source gates the logic zero signal that control module exports and the 6th logic gates 39 to the second logic gate signal 0 and third logic Gate signal 0 carries out the logic zero signal of logical AND processing output, and the 7th logic gates 310 patrols two logic zero signals It collects and obtains logic zero signal with processing, which is exported to the 8th logic gates 311；8th logic gates 311 Carry out reverse phase to the logic zero signal and handle to obtain red light to light clock signal, by the red light light clock signal export to In first primary lights output module 5 and primary lights output control module 4.

When the color output control signal of signal input part IN input is green output control signal 010, the timing is defeated The 4th logic gates 36 that control module 3 includes out can patrol the first logic gate signal 0 and third logic gate signal 0 It collects and handles, obtain logic zero signal, and the logic zero signal is exported to the 5th logic gates 37, the 5th logic gates 37 pairs of logic zero signals carry out reverse phases and handle to obtain green light to light clock signal, which is lighted clock signal output Into sequential control circuit 37；The second gating control that the sequential control circuit 38 includes based on the light source type gate control signal Signal 1 processed exports green light source gate control signal to the second primary lights output module 6 and primary lights output control module 4 In.

When the color output control signal of signal input part IN input is blue output control signal 001, sequential export The 7th logic gates 310 that control module 3 includes can receive light source gating 1 output ground logic zero signal of control module, and The logic 1 that 6th logic gates 39 carries out logical AND processing output to the second logic gate signal 0 and third logic gate signal 1 is believed Number；7th logic gates 310 carries out logical AND processing to logic zero signal and 1 signal of logic, obtains blue light and lights timing The blue light is lighted clock signal and exported into buffer 312 by signal；Meanwhile the sequential export control module 3 include Four logic gates 36 can carry out logical AND processing to the first logic gate signal 0 and third logic gate signal 1, obtain logic 1 Signal, and 1 signal of logic is exported to the 5th logic gates 37；5th logic gates 37 carries out 1 signal of logic Reverse phase handles to obtain logic zero signal, and the logic zero signal is exported into sequential control circuit 38；The sequential control circuit 38 Based on the second gate control signal 1 that the light source type gate control signal includes, logic zero signal is exported to buffer 312 In the buffer 312 is connected, make the buffer 312 that the blue light is lighted clock signal and export to third primary colours light output mould Block 7.

When the color output control signal of signal input part IN input is yellow output control signal 110, sequential export The 7th logic gates 39 that control module 3 includes can receive light source gating 1 output ground logic zero signal of control module, and 6th logic gates carries out the logic 1 exported after logical AND processing to the second logic gate signal 1 and third logic gate signal 0 and believes Number；7th logic gates carries out logical AND processing to the logic zero signal and 1 signal of logic, when obtaining sodium yellow and lighting The sodium yellow is lighted clock signal and exported into buffer 312 by sequential signal；Meanwhile the sequential export control module 4 includes 4th logic gates 36 can carry out logical AND to the first logic gate signal 1 and third logic gate signal 0 and handle to obtain logic 1 Signal, and 1 signal of logic is exported to the 5th logic gates 37, the 5th logic gates 37 carries out 1 signal of logic Reverse phase handles to obtain logic zero signal, and the logic zero signal is exported into sequential control circuit 38；The sequential control circuit 38 Based on the second gate control signal 1 that the light source type gate control signal includes, logic zero signal is exported to buffer 312 In the buffer 312 is connected, make the buffer 312 that the sodium yellow is lighted clock signal and export to third primary colours light output mould Block 7.

In alternatively possible implementation, when CBA is 100, the sequential export control module 4 is to signal input part The red output of IN input controls the processing side that signal 100, blue output control signal 001 and yellow output control signal 110 When formula and above-mentioned CBA are 110, sequential export control module 4 to the red output that signal input part IN input control signal 100, Blue output control signal 001 and yellow output control signal 110 processing mode it is identical, the embodiment of the present invention to this no longer into Row repeats one by one.

When the color output control signal of signal input part IN input is green output control signal 010, sequential export The 7th logic gates 310 that control module 4 includes can receive the logic zero signal that light source gating control module 1 exports, and 6th logic gates 39 carries out the logic 1 exported after logical AND processing to the second logic gate signal 1 and third logic gate signal 0 Signal；7th logic gates 310 carries out logical AND processing to logic zero signal and 1 signal of logic, when obtaining green light and lighting The green light is lighted clock signal and exported into buffer 312 by sequential signal；Meanwhile the sequential control circuit 38 is based on the light The second gate control signal 1 that Source Type gate control signal includes can export logic zero signal into buffer 312 to be connected The buffer 312 makes the buffer 312 that the green light is lighted clock signal and exports to third primary lights output module 7.

In alternatively possible implementation, when CBA is 001, the sequential export control module 4 is to signal input part The green output of IN input controls the processing side that signal 010, blue output control signal 001 and yellow output control signal 110 When formula and above-mentioned CBA are 100, green output control signal 010 that sequential export control module input signal input part IN, indigo plant The processing mode that color output control signal 001 and yellow export control signal 110 is identical, and the embodiment of the present invention no longer carries out this It repeats one by one.

When the color output control signal of signal input part IN input is red output control signal 100, sequential export The 7th logic gates 310 that control module 4 includes can receive the first enable signal 1 that light source gating control module 4 exports, And the 6th logic gates 39 logical AND processing output carried out to the second logic gate signal 0 and third logic gate signal 0 patrol Collect 0 signal；7th logic gates 310 carries out logical AND processing to logic zero signal and the first enable signal 1, obtains red The bright clock signal of luminous point, and the red light is lighted into clock signal and is exported into buffer 312；Meanwhile the sequential control circuit 38 the second gate control signals 0 for including based on the light source type gate control signal, can export logic into buffer 312 0 signal the buffer 312 is connected, make the buffer 312 by the red light light clock signal export it is defeated to third primary lights Module 7 out.

Primary lights output control module 4

Referring to Fig. 6, above-mentioned primary lights output control module 4 includes primary colours light control unit 41,42 and of feux rouges control unit Green light control unit 43；

The output end 101 of light source gating control module 1 is connect with the input terminal 400 of primary lights output control module 4, namely It is that the first output end ax of light source gating control module 1 is connect with the input terminal Br of feux rouges control unit 41, light source gating control The second output terminal by of module 1 is connect with the input terminal Bg of green light control unit 43, and light source gates the third output of control module 1 End ay is connect with the first input end 411 of primary colours light control unit 41, and light source gates the 4th output end bx and base of control module 1 Second input terminal 412 of coloured light control unit 41 connects, with the light source type inputted based on light source type gate control signal end The lighting of gate control signal and the input of lighting control signal end controls signal, and the feux rouges which is inputted is bright Degree adjustment signal and the green light brightness regulated signal of green light brightness regulated signal input are exported to the feux rouges control unit 42, green light In control unit 43 and primary colours light control unit 41 in corresponding control unit；

The input terminal 500 of the drive output ASR of the feux rouges control unit 42 and the first primary lights output module 5 connects Connect, with when the feux rouges control unit 42 receives the feux rouges brightness regulated signal, by the feux rouges brightness regulated signal export to The first primary lights output module 5；

The drive output ASG of green light control unit 43 is connect with the input terminal 600 of the second primary lights output module 6, With when the green light control unit 43 receives the green light brightness regulated signal, by the green light brightness regulated signal export to this Two primary lights output modules 6；

The third input terminal 413 of the primary colours light control unit 41 is connect with blue light brightness adjustable side B_PWM, and the primary colours are light-operated 4th input terminal 414 of unit 41 processed is connect with yellow light brightness regulation end Y_PWM, and the 5th of the primary colours light control unit 41 is defeated Entering end 415 connect the output end 201 of energy control module with this, the output end 416 of primary colours light control unit 41 and the third base The input terminal 700 of coloured light output module 7 connects, to pass through the logic enable signal, by the target of signal input part IN input Color of light brightness regulated signal is exported to the third primary lights output module 7, which patrols for this Collect the corresponding color of light brightness regulated signal of enable signal.

It should be noted that color of object brightness adjustment signal is feux rouges brightness when the logic enable signal is 100 Adjustment signal, when the logic enable signal is 010, color of object brightness adjustment signal is green light brightness regulated signal, when When the logic enable signal is 001, color of object brightness adjustment signal is blue light brightness adjustment signal, when the enabled letter of the logic When number being 110, color of object brightness adjustment signal is yellow light brightness regulated signal, and the embodiment of the present invention do not do specific limit to this It is fixed.

In addition, the 5th output end c of light source gating control module 1 and the input terminal 300 of sequential export control module 3 connect It connects.

Referring to fig. 4, in conjunction with the above-mentioned description to light source gating control module and sequential export control module, feux rouges control is single The input terminal Br of member 42 is connect with the first output end ax of light source HVAC control module.

Referring to fig. 4, the second output terminal by of input terminal Bg with light source the gating control module of green light control unit 43 is connect.

Furthermore the 5th input terminal 415 of the primary lights control module makes can control including the first enabled control terminal A1, second A2 and third is held to enable control terminal A3.Referring to fig. 4, the first of the primary colours light control unit 41 the enabled control terminal A1 and the first logic The output end 213 of gate circuit 21 connects, the enabled control terminal A2 of the second of the primary colours light control unit 41 and the second logic gates 22 output end 223 connects, and the enabled control terminal A3 of the third of the primary colours light control unit 41 is defeated with third logic gates 23 Outlet 233 connects.

In one possible implementation, when the CBA is 110, feux rouges which includes Control unit 42 can receive the feux rouges brightness regulated signal that light source gating control module 1 exports, and when signal input part IN is defeated When entering red output control signal 100, which can receive the red of the output of timing output control module 3 The bright clock signal of luminous point, and clock signal is lighted based on the red light, which is exported to the first primary colours In light output module 5；The green light control unit 43 that the primary lights output control module 4 includes can receive light source gating control mould The green light brightness regulated signal that block 1 exports, and when signal input part IN inputs green output control signal 010, the green light control The green light that unit 43 processed can receive the output of timing output control module 3 lights clock signal, and is based on the green luminous point When bright clock signal, which is exported into the second primary lights output module 6；Primary colours light output control The primary colours light control unit 41 that module 4 includes can receive the blue light brightness adjustment signal and yellow light of signal input part IN input Brightness regulated signal, and when signal input part IN to make energy control module 2 input blue output control signal when, the primary lights Control unit 41 exports the blue light brightness adjustment signal into third primary lights output module 8, alternatively, working as the signal input part IN is to when making the energy control module 2 input yellow output control signal 110, and the primary colours light control unit 41 is by the yellow light brightness regulation Signal is exported into third primary lights output module 8.

In alternatively possible implementation, when CBA is 100, feux rouges control that primary lights output control module 4 includes Unit 42 processed can receive the feux rouges brightness regulated signal that light source gating control module 1 exports, the primary lights output control module 4 Including primary colours light control unit 41 can receive light source gating control module 1 export green light brightness regulated signal, Yi Jixin The blue light brightness adjustment signal and yellow light brightness regulated signal of number input terminal IN input.Wherein, primary lights output control module pair When the processing mode and CBA of feux rouges brightness regulated signal, blue light brightness adjustment signal and yellow light brightness regulated signal are 110 Processing mode is similar, and therefore, the embodiment of the present invention no longer repeats this one by one.

In addition, when the primary colours light control unit 41 that primary lights output control module 4 includes receives light source gating control mould Block 1 export green light brightness regulated signal, and when signal input part IN to make energy control module 2 input green output control signal When, which can export the green light brightness regulated signal into third primary lights output module 8.

In alternatively possible implementation, when CBA is 001, primary lights that primary lights output control module 4 includes Control unit 41 can receive the feux rouges brightness regulated signal and green light brightness regulated signal that light source gating control module 1 exports, And the blue light brightness adjustment signal and yellow light brightness regulated signal of signal input part IN input.Wherein, primary colours light output controls Processing mode phase when module 1 is 110 with CBA to the processing mode of blue light brightness adjustment signal and yellow light brightness regulated signal Seemingly, processing mode when primary lights output control module 1 is 100 to CBA to the processing mode of green light brightness regulated signal is similar, Therefore, the embodiment of the present invention no longer repeats this one by one.

In addition, when the primary colours light control unit 41 that primary lights output control module 4 includes receives light source gating control mould The feux rouges brightness regulated signal that block 1 exports, and when signal input part IN is to making energy control module 2 input red output control signal When 100, which can be exported the feux rouges brightness regulated signal into third primary lights output module 8.

It should be noted that in embodiments of the present invention, primary colours light control unit 41, feux rouges control unit 42 and green light control Unit 43 processed can be switching gate control device, for example, primary colours light control unit can select core for ADG708BRUZ logic Piece, can also be other devices certainly, and the embodiment of the present invention is not specifically limited in this embodiment.

It should also be noted that, feux rouges brightness regulated signal is used to adjust corresponding primary lights output module output feux rouges Brightness height, and the feux rouges brightness regulated signal could export feux rouges brightness regulated signal in the case where not being 0 to correspondence Primary lights output module in, to light primary lights output module, make primary lights output module output red light；Green light brightness tune Section signal be used for adjust primary lights output module output green light brightness height, and green light brightness regulated signal not for 0 feelings Under condition, green light brightness regulated signal could be exported into corresponding primary lights output module, to light primary lights output module, Primary lights output module is set to export green light；Blue light brightness adjustment signal is used to adjust the bright of primary lights output module output blue light Degree height, yellow light brightness regulated signal are used to adjust the brightness height of primary lights output module output yellow light, and in blue light brightness Adjustment signal or yellow light brightness regulated signal, could be by blue light brightness adjustment signal or yellow light brightness tune in the case where not being 0 Section signal is exported into blue laser output unit, to light blue laser output unit, exports blue laser output unit Blue light or sodium yellow.And in embodiments of the present invention, the feux rouges brightness regulated signal, blue light brightness adjustment signal, yellow light are bright Brightness regulated signal between degree adjustment signal and green light brightness regulated signal can be the same or different, the embodiment of the present invention It is not specifically limited in this embodiment.

First primary lights output module 5

Referring to fig. 4, in conjunction with the above-mentioned description to primary lights output control module and sequential export control module, the feux rouges control Unit 42 processed may include output terminals A r and driving end Sr, and the input terminal 500 of the first primary lights output module includes the first drive Moved end 51 and the second driving end 52, the then drive at the first driving end 51 and feux rouges control unit 42 of the first primary lights output module 5 Moved end Sr and the output end 3113 of the 8th logic gates 311 are separately connected, the second driving end of the first primary lights output module 5 52 connect with the output terminals A r of feux rouges control unit 42.

Above-mentioned first primary lights output module 5 can receive the feux rouges brightness regulation of the output of primary lights output control module 4 The red light that signal and sequential export control module 3 export lights clock signal, that is to say, the first primary lights output module 5 It can receive the feux rouges brightness regulated signal that the feux rouges control unit 42 that primary lights output control module 4 includes exports, with timely The 6th logic gates 39, the 7th logic gates 310 and the 8th logic gates 311 that sequence output control module 3 includes are defeated Red light out lights clock signal, and lights clock signal output red based on the feux rouges brightness regulated signal and red light Light.

In one possible implementation, when CBA is 110 and signal input part is to keeping energy control module output red defeated When controlling signal 100 out, color output control signal shown in Figure 7 and three kinds of primary lights output modules export color of light Time diagram, alternatively, when CBA be 100 and signal input part IN to make 2 output red of energy control module output control signal When 100, the timing signal of color output control signal shown in Figure 8 and two kinds of primary lights output module output color of light Figure, the first primary lights output module 5 can receive the feux rouges brightness regulated signal of the output of primary lights output control module 4, And the red light of sequential export control module output 3 lights clock signal, and is based on the feux rouges brightness regulated signal and red The bright clock signal output red light of luminous point.

It should be noted that the first primary lights output module 5 can be red laser, naturally it is also possible to be other devices Part, the embodiment of the present invention are not specifically limited in this embodiment.

Second primary lights output module 6

Referring to fig. 4, in conjunction with the above-mentioned description to primary lights output control module and sequential export control module, the green light control Unit 43 processed may include output terminals A g and driving end Sg, and the input terminal 600 of the second primary lights output module includes the first drive Moved end 61 and the second driving end 62, the then drive at the first driving end 61 and green light control unit 43 of the second primary lights output module 6 The output end 382 of moved end Sg and sequential control circuit 38 is separately connected, the second primary lights output module 6 second driving end 62 with The output terminals A g connection of green light control unit 43.

Above-mentioned second primary lights output module 6 can receive the green light brightness regulation of the output of primary lights output control module 4 The green light that signal and sequential export control module 3 export lights clock signal, that is to say, the second primary lights output module 6 It can receive the green light brightness regulated signal that the green light control unit 43 that primary lights output control module 4 includes exports, with timely The 4th logic gates 36, the 5th logic gates 37 and the sequential control circuit 38 that sequence output control module 3 includes export Green light lights clock signal, and lights clock signal output green light based on the green light brightness regulated signal and green light.

In one possible implementation, when CBA be 110 and signal input part to make energy control module 2 export green light When output control signal 010, color output control signal shown in Figure 7 and three kinds of primary lights output modules export color The time diagram of light, the green light which can receive the output of primary lights output control module 4 are bright The green light that degree adjustment signal and sequential export control module 3 export lights clock signal, and is based on the green light brightness regulation Signal and green light light clock signal output green light.

It should be noted that the second primary lights output module 6 can be green laser, naturally it is also possible to be other devices Part, the embodiment of the present invention are not specifically limited in this embodiment.

Third primary lights output module 7

Referring to fig. 4, in conjunction with the above-mentioned description to primary lights output control module and sequential export control module, the third base The input terminal 700 of coloured light output module includes the first driving end 71 and second drives end 72, and the third primary lights output module First driving end 71 connect with the output end 3123 of buffer 312, the third primary lights output module second drive end 72 It is connect with the output end 416 of primary colours light control unit.

Above-mentioned third primary lights output module 7 can receive the feux rouges brightness regulation of the output of primary lights output control module 4 Any of signal, green light brightness regulated signal, blue light brightness adjustment signal or yellow light brightness regulated signal and timing The primary lights that output control module 3 exports light clock signal, that is to say, third primary lights output module 7 can receive primary colours Feux rouges brightness regulated signal that primary colours light control unit 41 that light output control module 4 includes exports, green light brightness regulated signal, Blue light brightness adjustment signal or yellow light brightness regulated signal, and timing is lighted based on the feux rouges brightness regulated signal and primary lights Signal output red light, alternatively, clock signal output green light is lighted based on the green light brightness regulated signal and primary lights, or Person lights clock signal output blue light based on the blue light brightness adjustment signal and primary lights, alternatively, being based on the yellow light brightness tune Section signal and primary lights light clock signal output sodium yellow.

In one possible implementation, when CBA be 110, and signal input part to make energy control module export blue light When output control signal 001 or yellow optical output control signal, color output control signal shown in Figure 7 and three kinds of primary colours Light output module exports the time diagram of color of light, which can receive primary colours light output control Blue light brightness adjustment signal or yellow optical output control signal that molding block 4 exports and the indigo plant that sequential export control module 3 exports Coloured light lights clock signal or yellow light lights clock signal, and lights timing letter based on the blue light brightness adjustment signal and blue light Number output blue light, alternatively, lighting clock signal output sodium yellow based on the yellow light brightness regulated signal and sodium yellow.

In one possible implementation, when CBA is 100 and signal input part is defeated to making energy control module export green light When controlling signal 010, blue laser output control signal 001 or yellow optical output control signal 110 out, color shown in Figure 8 is defeated The time diagram of signal and two kinds of primary lights output module output color of light, the third primary lights output module 7 are controlled out Green light brightness regulated signal, blue light brightness adjustment signal or the yellow light that can receive the output of primary lights output control module 4 are defeated Control out green light brightness regulated signal, the blue light that signal and sequential export control module 3 export light clock signal or Yellow light lights clock signal, and lights clock signal output green light based on the green light brightness regulated signal and green light, alternatively, Clock signal output blue light is lighted based on the blue light brightness adjustment signal and blue light, alternatively, being based on the yellow light brightness regulation Signal and sodium yellow light clock signal output sodium yellow.

In one possible implementation, when CBA is 001 and signal input part is defeated to making energy control module export feux rouges When controlling signal, green optical output control signal 010, blue laser output control signal 001 or yellow optical output control signal 110 out, ginseng The time diagram of color output control signal and a kind of primary lights output module output color of light as shown in Figure 9, this Three primary colours light output module 7 can receive the feux rouges brightness regulated signal of the output of primary lights output control module 4, green light brightness The red light that adjustment signal, blue light brightness adjustment signal or yellow optical output control signal and sequential export control module 3 export Light that clock signal, green light brightness regulated signal, blue light light clock signal or yellow light lights clock signal, and based on should Feux rouges brightness regulated signal and red light light clock signal output red light, alternatively, based on the green light brightness regulated signal and Green light lights clock signal output green light, alternatively, lighting clock signal based on the blue light brightness adjustment signal and blue light Output blue light, alternatively, lighting clock signal output sodium yellow based on the yellow light brightness regulated signal and sodium yellow.

It should be noted that the third primary lights output module 7 can be blue laser, naturally it is also possible to be other devices Part, the embodiment of the present invention are not specifically limited in this embodiment.

Wherein, in embodiments of the present invention, when the third primary lights output module is blue primary color light device, which swashs Light device may include colour wheel mould group, naturally it is also possible to and including other elements, which may include fluorescent wheel and filter wheel, The embodiment of the present invention is not specifically limited in this embodiment.

It should be noted that since the primary lights output module can be light source laser, and wrapped in the blue laser Color block module is included, and the blue laser can be irradiated in colour wheel mould group and generate using a part of blue laser as exciting light Feux rouges, green light or yellow light, and by color export control signal and color of light light clock signal be sequentially output feux rouges, green light, Blue light and yellow light.Meanwhile according to optical principle, blue laser wavelengths are short, and spectral width is narrow most suitable as excitated fluorescent powder Light source, therefore, when the projection light source drive control circuit drives a kind of primary lights output module, the primary colours light output mould of driving Block can be blue-light source laser.

In addition, when the projection light source drive control circuit drives three kinds of primary colours radiants, due to the base in three The laser brightness of coloured light light source is high, purity is good and gamut range is wide, therefore, not only increases color saturation and chroma-luminance, Colour cast problem is eliminated, and also improves the efficiency of laser light source output color of light, and then improve drop shadow effect.

Furthermore due to the color of light light timing control signal for control projection light source drive control circuit driving it is various Primary lights output control module exports the sequence of color of light, therefore, should when the first primary lights output module output red light Output blue light or sodium yellow and the second primary lights output module do not export green light to third primary lights output module, together Reason, when the third primary lights output module output blue light or sodium yellow, the first primary lights output module not output red light And second primary lights output module do not export green light；When the second primary lights output module exports green light, the first primary colours Light output module not output red light and third primary lights output module not output blue light or sodium yellow.

It in embodiments of the present invention, should when the signal input part inputs multiple signals to the projection light source driving circuit The light source type gate control signal that projection light source drive control circuit can be inputted based on the signal input part, is selected by light source The color of light brightness regulated signal that logical control module inputs a signal into end input is exported to primary lights output control module；Meanwhile The lighting for inputting energy control module based on the signal input part control signal and color output control signal generation are patrolled Enable signal is collected, and the logic enable signal is exported to primary lights output control module and sequential export control module, the base Coloured light output control module can be based on the logic enable signal, and the corresponding color of light brightness regulation of the logic enable signal is believed Number output is to corresponding primary lights output module；The sequential export control module can generate primary lights with logic-based enable signal Clock signal is lighted, and the primary lights are lighted into clock signal and are exported into corresponding primary lights output module；Corresponding primary colours Light output module is when receiving color of light brightness regulated signal primary lights corresponding with the color of light brightness regulated signal and lighting When sequential signal, corresponding color of light can be exported, to realize at least one primary colours radiant, such as a kind of primary colours radiant Or the drive control of two kinds of primary lights radiants or three kinds of primary lights radiants, it that is to say, projection provided in an embodiment of the present invention Light source drive control circuit can choose at least one primary colours radiant of access by multiple signals that signal input part inputs, For example a kind of primary colours radiant or two kinds of primary colours radiants or three kinds of primary colours radiants are selected, so as to be applicable in multiple primary colors light The drive control of light source, and then the compatibility and versatility of projection light source drive control circuit are realized, increase projection light source The scope of application of drive control circuit.

Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of projection light source drive control circuit, which is characterized in that the projection light source drive control circuit includes light source choosing Logical control module makes energy control module, sequential export control module, primary lights output control module, the first primary colours light output mould Block, the second primary lights output module and third primary lights output module；

The input terminal of the light source gating control module is connect with signal input part, the output end of the light source gating control module It is connect with the input terminal of the primary lights output control module, with the light source type gating control inputted by the signal input part Signal processed and lighting control signal, and the color of light brightness regulated signal that the signal input part inputs is exported to the primary lights In output control module；

The input terminal for making energy control module is connect with the signal input part, the output end for making energy control module and institute State the input terminal of primary lights output control module, the input terminal of the sequential export control module and light source gating control mould The input terminal of block is separately connected, the lighting control signal to be inputted by the signal input part and color output control signal, Logic enable signal is generated, and the logic enable signal is exported defeated to the primary lights output control module, the timing Control module and the light source gate control module out；

The input terminal of the primary lights output control module is connect with the signal input part, the primary lights output control module Output end and the input terminal of the first primary lights output module, the second primary lights output module input terminal and third primary colours The input terminal of light output module is separately connected, to be based on the logic enable signal, the color that the signal input part is inputted Brightness adjustment signal is exported into corresponding primary lights output module；

The output of the input terminal and the signal input part of the sequential export control module and light source gating control module End is separately connected, the output end of the sequential export control module and the first primary lights output module, second primary colours Light output module and the third primary lights output module are separately connected, to be based on the logic enable signal and the light source class Type gate control signal generates primary lights and lights clock signal, and the primary lights are lighted clock signal and are exported to corresponding Primary lights output module is based on the color to light the corresponding primary lights output module of clock signal by the primary lights Brightness adjustment signal and the corresponding primary lights clock signal of the color of light brightness regulated signal export corresponding color of light.

2. projection light source drive control circuit as described in claim 1, which is characterized in that the signal input part includes light source Type gate control signal end, feux rouges brightness regulation end, green light brightness regulation end, blue light brightness adjustable side, yellow light brightness regulation End, lighting control signal end and color export control signal end.

3. projection light source drive control circuit as claimed in claim 2, which is characterized in that the primary lights output control module Including primary colours light control unit, feux rouges control unit and green light control unit；

The first input end of the light source gating control module is connect with light source type gate control signal end, the light source The second input terminal and the first input end for making energy control module for gating control module control signal with the lighting respectively The third input terminal of end connection, the light source gating control module is connect with green light brightness regulation end, the light source gating 4th input terminal of control module is connect with feux rouges brightness regulation end, the 5th input terminal of the light source gating control module It is connect with first output end for making energy control module, the first output end and the feux rouges of the light source gating control module The input terminal of control unit connects, the input of the second output terminal and the green light control unit of the light source gating control module The third output end of end connection, the light source gating control module is connect with the first input end of the primary colours light control unit, 4th output end of the light source gating control module is connect with the second input terminal of the primary colours light control unit, to be based on institute What the light source type gate control signal and the lighting control signal end for stating the input of light source type gate control signal end inputted Lighting controls signal, and the feux rouges brightness regulated signal of feux rouges brightness regulation end input and green light brightness regulation end is defeated The green light brightness regulated signal entered is exported into the feux rouges control unit, green light control unit and the primary colours light control unit In corresponding control unit；

The drive output of the feux rouges control unit is connect with the input terminal of the first primary lights output module, described When feux rouges control unit receives the feux rouges brightness regulated signal, by the logic enable signal, by the feux rouges brightness Adjustment signal is exported to the first primary lights output module；

The drive output of the green light control unit is connect with the input terminal of the second primary lights output module, described When green light control unit receives the green light brightness regulated signal, by the logic enable signal, by the green light brightness Adjustment signal is exported to the second primary lights output module；

The third input terminal of the primary colours light control unit is connect with the blue light brightness adjustable side, the primary colours light control unit The 4th input terminal connect with yellow light brightness regulation end, the 5th input terminal of the primary colours light control unit and described enabled The output end of control module connects, the input of the output end of the primary colours light control unit and the third primary lights output module End connection, with by the logic enable signal, the color of object brightness adjustment signal that the signal input part is inputted is defeated Out to the third primary lights output module, the color of object brightness adjustment signal is that the logic enable signal is corresponding Color of light brightness regulated signal.

4. projection light source drive control circuit as claimed in claim 3, which is characterized in that the primary colours light control unit includes the One enabled driving end, the second enabled driving end and the enabled driving end of third；

The enabled driving end of the first of the primary colours light control unit is connect with the first output end of energy control module is made, the primary colours The enabled driving end of the second of light control unit is connect with the second output terminal of energy control module is made, the primary colours light control unit The enabled driving end of third is connect with the third output end of energy control module is made, to be made by the first of the primary colours light control unit End can be driven to receive the first enable signal that the logic enable signal includes, made by the second of the primary colours light control unit End can be driven to receive the second enable signal that the logic enable signal includes, and pass through the third of the primary colours light control unit Enabled driving end receives the first enable signal that the logic enable signal includes；

Correspondingly, described by the logic enable signal, the color of object brightness that the signal input part is inputted is adjusted Signal is exported to the third primary lights output module, including：

Based on first enable signal, second enable signal and the third enable signal, by the color of object light Brightness regulated signal is exported to the third primary lights output module.

5. projection light source drive control circuit as claimed in claim 3, which is characterized in that the feux rouges control unit includes driving Moved end and output end；

The driving end of the feux rouges control unit is connect with the output end of the sequential export control module, and the feux rouges control is single The output end of member is connect with the input terminal of the first primary lights output module, to pass through the driving end of the feux rouges control unit The primary lights for receiving the sequential export control module output light clock signal, and pass through the output of the feux rouges control unit End exports the feux rouges brightness regulated signal to the first primary lights output module；

Correspondingly, described by the logic enable signal, the feux rouges brightness regulated signal is exported to first primary colours Light output module, including：

Clock signal is lighted based on the primary lights, the feux rouges brightness regulated signal is exported to the first primary colours light output Module.

6. projection light source drive control circuit as claimed in claim 3, which is characterized in that the green light control unit includes driving Moved end and output end；

The driving end of the green light control unit is connect with the output end of the sequential export control module, and the green light control is single The output end of member is connect with the input terminal of the second primary lights output module, to pass through the driving end of the green light control unit The primary lights for receiving the sequential export control module output light clock signal, and pass through the output of the green light control unit End exports the green light brightness regulated signal to the second primary lights output module；

Correspondingly, described by the logic enable signal, the green light brightness regulated signal is exported to second primary colours Light output module, including：

Clock signal is lighted based on the primary lights, the green light brightness regulated signal is exported to the second primary colours light output Module.

7. projection light source drive control circuit as described in claim 1, which is characterized in that described that energy control module is made to include the One logic gates, the second logic gates and third logic gates；

The first input end of first logic gates, the first input end of second logic gates and the third are patrolled The first input end for collecting gate circuit is connect with the lighting control signal end respectively, the second input of first logic gates End, the second input terminal of second logic gates and the third logic gates the second input terminal respectively with the face Color exports control signal end connection, the input of the output end of first logic gates and light source gating control module End, the input terminal of the primary lights output control module, the sequential export control module first input end be separately connected, with Export red output control signal that control signal includes based on the color and lighting control signal to generate first enabled Signal, and first enable signal is exported to light source gating control module, the sequential export control module and institute It states in primary lights output control module；

The input terminal and the sequential export of the output end of second logic gates and the primary lights output control module Second input terminal of control module is separately connected, to export the green output control signal that control signal includes based on the color The second enable signal is generated with lighting control signal, and second enable signal is exported to the sequential export and is controlled In module and the primary lights output control module；

The input terminal of the output end of the third logic gates and the primary lights output control module, the sequential export control The third input terminal of molding block is separately connected, with based on the color export control signal include blue output control signal and The lighting control signal generates third enable signal, and the third enable signal is exported to the sequential export and controls mould In block and the primary lights output control module.

8. projection light source drive control circuit as described in claim 1, which is characterized in that the sequential export control module packet Include the 4th logic gates, the 5th logic gates, the 6th logic gates, the 7th logic gates, the 8th logic gates, Buffer and sequential control circuit；

The first input end of 4th logic gates is connect with first output end for making energy control module, and the described 4th Second input terminal of logic gates is connect with the third output end for making energy control module, the 4th logic gates Output end is connect with the input terminal of the 5th logic gates, the output end of the 5th logic gates and the timing control The first input end of circuit processed connects, the second input terminal of the sequential control circuit and the light source type gate control signal End connection, the conduction terminal and the second primary lights output module of the output end of the sequential control circuit and the buffer Input terminal is separately connected, the third input end grounding of the sequential control circuit, the 4th logic gates and the described 5th Logic gates, which is used to generate green light based on the logic enable signal, lights clock signal, and when the green light is lighted Sequential signal is exported to the sequential control circuit, to be based on light source type gating control letter by the sequential control circuit Number the green light clock signal is exported to the second primary lights output module；

The first input end of 6th logic gates is connect with the second output terminal for making energy control module, and the described 6th Second input terminal of logic gates is connect with the third output end for making energy control module, the 6th logic gates Output end is connect with the first input end of the 7th logic gates, the second input terminal of the 7th logic gates and institute State the output end connection of light source gating control module, the input of the output end and the buffer of the 7th logic gates It holds, the input terminal of the 8th logic gates is separately connected, the output end and first base of the 8th logic gates The input terminal of coloured light output module connects, and the input terminal of the output end of the buffer and the third primary lights output module connects It connects, the 6th logic gates and the 7th logic gates are used to generate blue spot based on the logic enable signal Bright clock signal exports the blue light clock signal into the buffer, when the sequential control circuit is based on described When the buffer is connected in light source type gate control signal, the buffer is used to the blue light lighting clock signal defeated Out to the third primary lights output module, the 6th logic gates, the 7th logic gates and the described 8th are patrolled It collects gate circuit to be used to light clock signal based on logic enable signal generation red light, and the red light is lighted into timing Signal is exported to the first primary lights output module.

9. projection light source drive control circuit as described in claim 1, which is characterized in that the first primary lights output module Including red laser, the second primary lights output module includes green laser, the third primary lights output module packet Include blue laser.