CN205608366U - Laser dimming system - Google Patents
Laser dimming system Download PDFInfo
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- CN205608366U CN205608366U CN201620270186.7U CN201620270186U CN205608366U CN 205608366 U CN205608366 U CN 205608366U CN 201620270186 U CN201620270186 U CN 201620270186U CN 205608366 U CN205608366 U CN 205608366U
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Abstract
The utility model discloses a laser dimming system, it includes: one can respond to the strong and weak ambient light sensor of external ambient light, the luminance mode decision circuit that can receive this ambient light sensor signal, a brilliance control module, a micro electronmechanical scanner, an image processor, a laser -driven circuit, a laser lamp -house and a scanning mirror drive circuit, an output luminance mode signal to this brilliance control module behind this ambient light sensor's of this luminance mode decision circuit receipt the signal, this brilliance control module is according to the structure of this luminance mode signals regulating liquid crystal, the strong and weak projection that so cooperates external environment light goes out the image of corresponding luminance to make the user can know and see comfortablely the information of formation of image.
Description
Technical field
This utility model relates to a kind of laser light adjusting system, a kind of control system that can adjust the image brilliance projected according to external environment light luminance.
Background technology
U.S. Patent number US9167655 discloses a kind of backlight regulating system (Backlight Adjustment System), as shown in Figure 1, this system has an ambient light sensor 170, one backlight sensor 171 and a temperature sensor 175, in the case of a backlight 120, one software driver 190 sends a signal to a current measuring device 200, this current measuring device 200 calculates the current value transmitted from a power supply 195 and sends this current value to this software driver 190, then this software driver 190 sends a signal to this power supply 195, this power supply 195 is made to transmit suitable electric power to this current measuring device 200, to adjust the state of this backlight 120.
TaiWan, China patent No. I462648 discloses a kind of backlight drive circuit and backlight driving method, as shown in Figure 2, the prior art is in starting step S410, the anode tap of power supply VS to light emitting diode 102 is provided by a control circuit 105, the most in the step s 420, one light-sensitive element 104 sensing ambient light around, wherein this light-sensitive element 104 is coupled between cathode terminal and the earth terminal of this light emitting diode 102, and the resistance of this light-sensitive element 104 changes along with electronic installation surrounding light source, further, in step S430, the feedback voltage VFB that this control circuit 105 receives according to sensing end adjusts this power supply VS, to control the brightness of this light emitting diode 102.
But, display of the prior art is the strong and weak adjustment brightness by controlling electric current, in the quality of imaging the most defective, brightness and image contrast that display is presented are the best, user is made not feel well, as can be seen here, how to solve the problems referred to above, be those skilled in the art and desire most ardently research the direction solved.
Utility model content
In view of this, inventor is according to being engaged in manufacturing development and the design experiences of Related product for many years, for above-mentioned target, in detail after design and scrupulous assessment, eventually this utility model really having a practicality.
The purpose of this utility model is to provide a kind of laser light adjusting system, and it can be automatically adjusted to the brightness of picture according to the power of external environment light, no matter daytime or evening, brightness of image is the most moderate, and user will not be made to feel dazzling or unclear.
In order to achieve the above object, the laser light adjusting system that this utility model provides includes: an image processor；One ambient light sensor, for detecting one environmental light brightness；One luminance patterns decision-making circuit, is electrically connected with this image processor and exports a luminance patterns signal；One laser drive circuit, is electrically connected with this image processor；One LASER Light Source, is electrically connected with this laser drive circuit and exports a laser；One brightness control module, it is electrically connected with this luminance patterns decision-making circuit, wherein this brightness control module includes an intednsity circuit, a liquid crystal and a polaroid, this brightness control module controls this liquid crystal according to this luminance patterns signal, this polaroid beam intensity by this this laser of LCD Controlling；One scan mirror drive circuit, is electrically connected with this image processor；And a micro electromechanical scanning mirror, it is scanned under the control of this scanning mirror drive circuit, and reflects this laser from this polaroid, wherein this luminance patterns signal is for controlling a maximum of this beam intensity.
In an embodiment of the present utility model, this micro electromechanical scanning mirror is MEMS.
In an embodiment of the present utility model, this micro electromechanical scanning mirror is projected to an image colligator after in this laser projections a to bubbler again, and imaging afterwards is out.
In order to achieve the above object, this utility model additionally provides a kind of laser light adjusting system, comprising:
One image processor；
One ambient light sensor, for detecting one environmental light brightness；
One luminance patterns decision-making circuit, is electrically connected with this ambient light sensor and exports at least one luminance patterns signal；
One laser drive circuit, is electrically connected with this image processor；
One LASER Light Source, is electrically connected with this laser drive circuit and exports a laser；
One scan mirror drive circuit, is electrically connected with this image processor；
One micro electromechanical scanning mirror, is scanned under the control of this scanning mirror drive circuit, and reflects this laser；And
One brightness control module, it is electrically connected to this luminance patterns decision-making circuit, including a liquid crystal, a polaroid and an intednsity circuit, wherein this intednsity circuit controls this liquid crystal according to this luminance patterns signal, this polaroid beam intensity by this this laser of LCD Controlling, wherein this luminance patterns signal is for controlling a maximum of this beam intensity.
In an embodiment of the present utility model, this micro electromechanical scanning mirror is MEMS.
In an embodiment of the present utility model, this laser projections a to bubbler being projected to an image colligator again, imaging afterwards is out.
The laser light adjusting system that this utility model provides adjusts outside the brightness of imaging in addition to sensing at light source, also through this brightness control module and this micro electromechanical scanning mirror, two benches adjusts the laser of this LASER Light Source output, though imaging daytime of projecting of order or evening its image brilliance the most moderate and clear.
Accompanying drawing explanation
Fig. 1 is prior-art illustration；
Fig. 2 is another prior-art illustration；
Fig. 3 is circuit block diagram of the present utility model；
Fig. 4 is the schematic flow sheet of this utility model embodiment one；
Fig. 5 is the schematic flow sheet of this utility model embodiment two；
Fig. 6 is the circuit block diagram of another aspect of this utility model.
Description of reference numerals: 170-ambient light sensor；171-backlight sensor；175-temperature sensor；120-backlight；190-software driver；200-current measuring device；195-power supply；102-light emitting diode；104-light-sensitive element；105-control circuit；VS-power supply；VFB-feedback voltage；S410～S430-step；700-monitor body；710-ambient light sensor；720-luminance patterns decision-making circuit；730-brightness control module；731-liquid crystal；732-polaroid；733-intednsity circuit；740-micro electromechanical scanning mirror；750-image processor；760-scanning mirror drive circuit；770-laser drive circuit；780-LASER Light Source；800-bubbler；900-image colligator；S100-induced signal；S200-luminance patterns signal；S210-strong luminance patterns signal；S220-weak luminance patterns signal；S310-first drives signal；S320-two driving signal；S330-the 3rd drives signal；L110-laser；L110 '-laser；L120-projects intensity；L120 '-projection intensity；L121-projects by force intensity；L122-weak projection intensity.
Detailed description of the invention
The purpose of this utility model, shape, constructing apparatus feature and effect thereof can be done and further recognized and understand, hereby coordinate graphic for embodiment, describe in detail as follows for just auditor.
As shown in Figure 3, this utility model provides a kind of laser light adjusting system, there is a monitor body 700, this monitor body 700 includes: an ambient light sensor 710, can the brightness of Auto-Sensing external environment export induced signal S100 to luminance patterns decision-making circuit 720, this luminance patterns decision-making circuit 720 exports at least one luminance patterns signal S200 to brightness control module 730 according to this induced signal S100, this brightness control module 730 includes a liquid crystal 731, one polaroid 732 and an intednsity circuit 733, this brightness control module 730 accepts the plurality of luminance patterns signal S200, this intednsity circuit 733 controls the structural arrangement of this liquid crystal 731；nullThis monitor body 700 includes an image processor 750，When this image processor 750 is activated，Together with time export respectively one first driving signal S310 to laser drive circuit 770 and a two driving signal S320 to one scan mirror drive circuit 760，This laser drive circuit 770 exports current start one LASER Light Source 780 after receiving this first driving signal S310，This LASER Light Source 780 is made to export the laser L110 liquid crystal 731 to this brightness control module 730 of an image，Because this liquid crystal 731 has adjusted the arrangement of its structure in time accepting the plurality of luminance patterns signal S200 by this intednsity circuit 733，After this laser L110 inputs this liquid crystal 731，Intensity L120 is projected to a polaroid 732 according to the one of the plurality of luminance patterns signal S200 output varying strength，Projection intensity L120 is exported ' after this polaroid 732 adjusts this projection intensity L120；nullThis scanning mirror drive circuit 760 exports one the 3rd driving signal S330 to micro electromechanical scanning mirror 740，This micro electromechanical scanning mirror 740 can be MEMS，This micro electromechanical scanning mirror 740 receives this projection intensity L120 of this brightness control module 730 output simultaneously '，By this micro electromechanical scanning mirror 740 by this projection intensity L120 ' export to a bubbler 800，The hot spot of projection image is reduced by this bubbler 800，And by image output to an image colligator 900，Further with this image colligator 900 again by image display out，And the high-high brightness of image is controlled by luminance patterns signal，Such as when system comprises strong luminance patterns signal and weak luminance patterns signal two kinds，In the case of weak mode signal，The high-high brightness of image is the half of the peak signal that system can be provided by.
Embodiment one
As shown in Figure 4, under strong light environment, this ambient light sensor 710 its intensity of light source of Auto-Sensing, export this induced signal S100 to this luminance patterns decision-making circuit 720, this luminance patterns decision-making circuit 720 exports the last one luminance patterns signal S210 to this brightness control module 730, the structure of this liquid crystal 731 is controlled by this intednsity circuit 733, and this laser L110 received is exported the last one projection intensity L121 to this micro electromechanical scanning mirror 740 from this brightness control module 730, it is then passed through this bubbler 800 and adjusts image with this image colligator 900, and information is clearly projected, make user external well-lighted in the case of be still clearly visible the information projected.
Embodiment two
As shown in Figure 5, when ambient deficiency, this ambient light sensor 710 its light source of Auto-Sensing, and export this induced signal S100 to this luminance patterns decision-making circuit 720, this luminance patterns decision-making circuit 720 exports a weak luminance patterns signal S220 to this brightness control module 730, the structure of this liquid crystal 731 is controlled by this intednsity circuit 733, and this laser L110 received is exported weak projection intensity L122 to this micro electromechanical scanning mirror 740 from this brightness control module 730, it is then passed through this bubbler 800 and adjusts image with this image colligator 900, and information is clearly projected, user is made to be unlikely to feel that image is the most dazzling in the case of external insufficient light.
nullAs shown in Figure 6，This monitor body 700 in this utility model can be another aspect，Before this micro electromechanical scanning mirror 740 may be provided at this brightness control module 730，This laser L110 is projected to this micro electromechanical scanning mirror 740，This micro electromechanical scanning mirror 740 receives the 3rd driving signal S330 simultaneously，Export a laser L110 ' to this liquid crystal 731 of this brightness control module 730 and this polaroid 732，And this luminance patterns signal S200 of luminance patterns decision-making circuit 720 output controls this intednsity circuit 733，To determine the structural arrangement of this liquid crystal 731，When this laser L110 ' is projected to this liquid crystal 731，By the different arrangements of this liquid crystal 731 structure，This projection intensity L120 that this brightness control module 730 projects ' will be different，Then this brightness control module 730 exports this projection intensity L120 ' give this bubbler 800，Further by this image colligator 900 by image visualization out.
Further, this utility model can be used in the HUD of automobile, the power of sensing car external environment light, automatically adjusts the brightness of HUD imaging, no matter the brightness of image of daytime or its display in evening is the most moderate, driver will not be made to feel dazzling or unclear.
The foregoing is only preferred embodiment of the present utility model, when not limiting, with this, the scope that this utility model is implemented；Therefore, all simple equivalence changes made according to this utility model right and utility model description with modify, all should still belong in the range of this utility model contains.
Claims (6)
1. a laser light adjusting system, it is characterised in that including:
One image processor；
One laser drive circuit, is electrically connected with this image processor；
One LASER Light Source, is electrically connected with this laser drive circuit and exports a laser；
One ambient light sensor, for detecting one environmental light brightness；
One luminance patterns decision-making circuit, is electrically connected with this ambient light sensor and exports a luminance patterns letter
Number；
One brightness control module, is electrically connected with this luminance patterns decision-making circuit, wherein this brilliance control mould
Block includes a liquid crystal, a polaroid and an intednsity circuit, and this intednsity circuit is bright according to this
Degree mode signal controls this liquid crystal, this polaroid beam intensity by this this laser of LCD Controlling；
One scan mirror drive circuit, is electrically connected with this image processor；And
One micro electromechanical scanning mirror, is scanned under the control of this scanning mirror drive circuit, and reflects
From this laser of this polaroid, wherein this luminance patterns signal is maximum for control this beam intensity one
Value.
Laser light adjusting system the most according to claim 1, it is characterised in that this micro electromechanical scanning
Mirror is MEMS.
Laser light adjusting system the most according to claim 1, it is characterised in that this micro electromechanical scanning
Mirror is projected to an image colligator after in this laser projections a to bubbler again, and imaging afterwards is out.
4. a laser light adjusting system, it is characterised in that including:
One image processor；
One ambient light sensor, for detecting one environmental light brightness；
One luminance patterns decision-making circuit, is electrically connected with this ambient light sensor and exports at least one brightness mould
Formula signal；
One laser drive circuit, is electrically connected with this image processor；
One LASER Light Source, is electrically connected with this laser drive circuit and exports a laser；
One scan mirror drive circuit, is electrically connected with this image processor；
One micro electromechanical scanning mirror, is scanned under the control of this scanning mirror drive circuit, and reflection should
Laser；And
One brightness control module, is electrically connected to this luminance patterns decision-making circuit, including a liquid crystal, one
Polaroid and an intednsity circuit, wherein this intednsity circuit is according to this luminance patterns signal control
Make this liquid crystal, this polaroid beam intensity by this this laser of LCD Controlling, wherein this brightness mould
Formula signal is for controlling a maximum of this beam intensity.
Laser light adjusting system the most according to claim 4, it is characterised in that this micro electromechanical scanning
Mirror is MEMS.
Laser light adjusting system the most according to claim 4, it is characterised in that this laser projections is extremely
Being projected to an image colligator on one bubbler again, imaging afterwards is out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270186.7U CN205608366U (en) | 2016-04-01 | 2016-04-01 | Laser dimming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270186.7U CN205608366U (en) | 2016-04-01 | 2016-04-01 | Laser dimming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608366U true CN205608366U (en) | 2016-09-28 |
Family
ID=56964254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620270186.7U Active CN205608366U (en) | 2016-04-01 | 2016-04-01 | Laser dimming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608366U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249103A (en) * | 2017-06-06 | 2017-10-13 | 广东小天才科技有限公司 | A kind of cursor method of adjustment, device, terminal and storage medium |
| CN107290916A (en) * | 2016-04-01 | 2017-10-24 | 英济股份有限公司 | Laser light adjusting system |
| CN110088526A (en) * | 2017-03-09 | 2019-08-02 | 宝马股份公司 | Lighting device for motor vehicle |
-
2016
- 2016-04-01 CN CN201620270186.7U patent/CN205608366U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290916A (en) * | 2016-04-01 | 2017-10-24 | 英济股份有限公司 | Laser light adjusting system |
| CN110088526A (en) * | 2017-03-09 | 2019-08-02 | 宝马股份公司 | Lighting device for motor vehicle |
| CN110088526B (en) * | 2017-03-09 | 2022-02-11 | 宝马股份公司 | Lighting device for a motor vehicle |
| CN107249103A (en) * | 2017-06-06 | 2017-10-13 | 广东小天才科技有限公司 | A kind of cursor method of adjustment, device, terminal and storage medium |
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