CN205608367U - Laser dimming system - Google Patents
Laser dimming system Download PDFInfo
- Publication number
- CN205608367U CN205608367U CN201620271619.0U CN201620271619U CN205608367U CN 205608367 U CN205608367 U CN 205608367U CN 201620271619 U CN201620271619 U CN 201620271619U CN 205608367 U CN205608367 U CN 205608367U
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- laser
- polaroid
- electrically connected
- luminance patterns
- circuit
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Abstract
The utility model discloses a laser dimming system, can respond to the strong and weak ambient light sensor of external ambient light including one, a luminance mode decision circuit and the brilliance control module that can receive this ambient light sensor signal, this brilliance control module includes a brilliance control circuit, a CD -ROM drive motor and a polaroid, an output 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 circuit is according to this CD -ROM drive motor of this mode signal control, the order should drive this polaroid of motor drive and rotate, a laser goes out the image of corresponding luminance through the strong and weak projection of the external environment light of this polaroid cooperation.
Description
Technical field
This utility model relates to a kind of laser light adjusting system, espespecially a kind of by rotatable polaroid,
The light adjusting system of the image that laser projections goes out is adjusted according to external environment light luminance.
Background technology
U.S. Patent number US8848289 discloses a kind of head mounted display, including a waveguide
(waveguide), an ambient light polariser, a wire grid polarizer and a diffraction lens；This ambient light
Polariser can control this wire grid polarizer according to the change of ambient light, makes the image light that this waveguide is penetrated
Degree has adjusted, and its image leads to mirror through this diffraction further and enters the eyes of user, user
It can be seen that its picture.
U.S. Patent number US8436952 discloses a kind of HUD, including one or more optics
Element, its boot environment light source enters a mixed cell, and for homogenizing light, a condensing unit receives all
Change light mixture and the light of condensation and export a polarizer, utilizing this polarization components aobvious with reflective
As assembly projection modulation light forms image on the windshield.
U.S. Patent number US7203005 discloses a kind of HUD, throws including a polarization image
Injection device, a bubbler and a polarization reflector element, utilize polarizer, projection screen with
And HUD system improves the brightness of display, this display is made to have the height of low haze and windshield
Light transmittance, can be applicable in windshield and similar application.
But, display of the prior art is the strong and weak adjustment brightness by controlling electric current, in imaging
Quality on the most defective, brightness and image contrast that display is presented are the best, make user
Do not feel well, it can be seen that, how to solve the problems referred to above, be those skilled in the art and desire most ardently research
And the direction solved.
Utility model content
In view of this, inventor according to being engaged in manufacturing development and the design experiences of Related product for many years,
Design in detail for above-mentioned target and after scrupulous assessment, obtain the true this utility model having practicality eventually.
The purpose of this utility model is to provide a kind of laser light adjusting system, including: an image processor；
One ambient light sensor, detects an environmental light brightness；One luminance patterns decision-making circuit, being electrically connected with should
Ambient light sensor also 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
Molding block, is electrically connected with this luminance patterns decision-making circuit, and wherein this brightness control module includes a brightness
Control circuit, driving motor and a polaroid, this intednsity circuit is believed according to this luminance patterns
Number control this driving motor, this polaroid of this drive motor rotate, this polaroid controls this laser
A beam intensity；One scan mirror drive circuit, is electrically connected with this image processor；And a microcomputer
Electric scanning mirror, by this scanning mirror drive circuit control and scan and reflection from this polaroid this swash
Light, wherein a maximum of this luminance patterns this beam intensity of signal deciding.
In an embodiment of the present utility model, a rotation of this luminance patterns this polaroid of signal deciding
Angle.
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 by this laser projection to diffusion
Being projected to an image colligator after on device again, imaging afterwards is out.
This utility model additionally provides another kind of laser light adjusting system, comprising:
One image processor；
One ambient light sensor, detects an 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 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 controlled by this scanning mirror drive circuit and scans and reflect this laser；
And
One brightness control module, is electrically connected to this luminance patterns decision-making circuit, wherein this brilliance control
Module includes an intednsity circuit, driving motor and a polaroid, wherein this brilliance control electricity
Road controls this driving motor according to this luminance patterns signal, and this polaroid of this drive motor rotates,
This polaroid controls a beam intensity of this laser, wherein this this beam intensity of luminance patterns signal deciding
A maximum.
In an embodiment of the present utility model, the one of the plurality of luminance patterns this polaroid of signal deciding
Rotational angle.
In an embodiment of the present utility model, this micro electromechanical scanning mirror is MEMS.
In an embodiment of the present utility model, this brightness control module is by this laser projection to diffusion
Being projected to an image colligator after on device again, imaging afterwards is out.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is circuit process block diagram of the present utility model；
Fig. 3 is the circuit process block diagram of this utility model embodiment one；
Fig. 4 is the circuit process block diagram of this utility model embodiment two；
Fig. 5 is the circuit process block diagram of this utility model embodiment three.
Description of reference numerals: 110-ambient light sensor；120-luminance patterns decision-making circuit；130-brightness
Control module；131-intednsity circuit；132-drives motor；133-polaroid；150-laser light
Source；170-image processor；180-laser drive circuit；190-scanning mirror drive circuit；210-microcomputer
Electric scanning mirror；300-bubbler；400-image colligator；S100-photoinduction signal；S200-pattern is believed
Number；The strong ambient light patterns of S210-；The weak ambient light patterns of S220-；S310-the first signal；S320-
Binary signal；S330-the 3rd signal；L110-laser；L110 '-laser；L120-projecting beam；L121-
Strong projecting beam；The weak projecting beam of L122-.
Detailed description of the invention
For ease of auditor to the purpose of this utility model, shape, constructing apparatus feature and effect thereof,
Do and further recognize and understand, hereby coordinate graphic for embodiment, describe in detail as follows.
As shown in Figure 1 and Figure 2, this utility model provides a kind of laser light adjusting system, including a ring
Border optical sensor 110, can the brightness of Auto-Sensing external environment light export a photoinduction signal
S100 to one luminance patterns decision-making circuit 120, this luminance patterns decision-making circuit 120 is according to this photoinduction
Signal S100 exports at least one mode signal S200 to brightness control module 130, this brilliance control
Module 130 includes: an intednsity circuit 131, drives motor 132 and a polaroid 133,
This intednsity circuit 131 controls this driving motor 131 after receiving this mode signal S200, i.e. drive
This polaroid 133 being electrically connected with therewith rotates, according to this mode signal S200, and this driving motor
132 drive this polaroid 133 to turn to different directions；One image processor 170, this image processor
170 export one first signal S310 to laser drive circuit 180 and one second simultaneously when being activated
Signal S320 is to one scan mirror drive circuit 190, and this laser drive circuit 180 receives this first signal
Then export current start one LASER Light Source 150 after S310, make this LASER Light Source 150 export an image
Laser L110 on this polaroid 133, by this driving motor 132 rotate this polaroid 133 to
Different angles, this polaroid 133 receives this laser L110 and projects a projecting beam of varying strength
L120, this projecting beam L120 input a micro electromechanical scanning mirror 210, this micro electromechanical scanning mirror 210
Can be MEMS, this scanning mirror drive circuit 190 exports after receiving this secondary signal S320 simultaneously
One the 3rd driving signal S330, will by this micro electromechanical scanning mirror 210 to this micro electromechanical scanning mirror 210
This projecting beam L120 exports to a bubbler 300, reduces projection shadow by this bubbler 300
The hot spot of picture by image output to an image colligator 400, further with this image colligator
400 again by image visualization out, and the high-high brightness of image is controlled by mode signal, such as system
When comprising strong mode signal and weak mode signal two kinds, in the case of weak mode signal, image is
Big brightness is the half of the peak signal that system can be provided by.
Embodiment one
As it is shown on figure 3, under strong light environment, this its light source strength of ambient light sensor 110 Auto-Sensing
Degree, exports this induced signal S100 and determines electricity to this luminance patterns decision-making circuit 120, this luminance patterns
Road 120 exports the last one ambient light patterns S210 to this brightness control module 130, by this brilliance control
Circuit 131 controls this driving motor 132, and it is right that this polaroid 133 is turned to by this driving motor 132
The angle answered, this laser L110 of this LASER Light Source 150 output exports one by this polaroid 133
Strong projecting beam L121, to this micro electromechanical scanning mirror 210, is then passed through this bubbler 300 and this image
Colligator 400 manifests image, make user external well-lighted in the case of be still clearly visible projection
Information out.
Embodiment two
As shown in Figure 4, when ambient deficiency, this ambient light sensor 110 its light of Auto-Sensing
Source strength, exports this induced signal S100 and determines to this luminance patterns decision-making circuit 120, this luminance patterns
Determine circuit 120 and export a weak ambient light patterns S220 to this brightness control module 130, by this brightness
Control circuit 131 controls this driving motor 132, makes this driving motor 132 by this polaroid 133 turns
Moving to corresponding angle, this laser L110 of this LASER Light Source 150 output is by this polaroid 133
Export a weak projecting beam L122 to this micro electromechanical scanning mirror 210, be then passed through this bubbler 300 with
This image colligator 400 manifests image, makes user be unlikely to feel in the case of external insufficient light
Image is the most dazzling.
Embodiment three
As shown in figure Fig. 5, the light adjusting system that this utility model provides can be another state, and this is micro electronmechanical
Before scanning mirror 210 may be provided at this brightness control module 130, this micro electromechanical scanning mirror 210 receives should
This laser L110 of LASER Light Source 150 output, and the 3rd of the output of this scanning mirror drive circuit 190 the
Signal S330, and export another laser L110 ' to this brightness control module 130, this brilliance control mould
Block 130 receives this laser L110 ' and this luminance patterns of this micro electromechanical scanning mirror 210 output simultaneously
This mode signal S200 that decision-making circuit 120 sends, this intednsity circuit 131 should according to receive
Mode signal S200 controls this driving motor 132, makes this driving motor 132 rotate this polaroid 133
To corresponding angle, then this laser L110 ' of this micro electromechanical scanning mirror 210 output, by this polarisation
Sheet 133 exports this projecting beam L120 to this bubbler 300, is reduced by this bubbler 300
The hot spot of projection image, and by image output to an image colligator 400, further with this shadow
As colligator 400 again by image visualization out.
Further, this utility model can be used in the HUD of automobile, external to sense car
The power of ambient light, adjusts the brightness of HUD imaging automatically, no matter daytime or evening,
The brightness of image of display is the most moderate, and driver will not be made to feel dazzling or unclear.
The foregoing is only preferred embodiment of the present utility model, when not limiting this practicality with this
The scope of novel enforcement；Therefore, all made according to this utility model right and description
Simple equivalence change and modification, all should still belong in protection domain of the present utility model.
Claims (8)
1. a laser light adjusting system, it is characterised in that including:
One image processor；
One ambient light sensor, detects an 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 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, is electrically connected with this luminance patterns decision-making circuit, wherein this brilliance control mould
Block includes an intednsity circuit, one drives motor and a polaroid, this intednsity circuit according to
This luminance patterns signal controls this driving motor, and this polaroid of this drive motor rotates, this polarisation
Sheet controls a beam intensity of this laser；
One scan mirror drive circuit, is electrically connected with this image processor；And
One micro electromechanical scanning mirror, is controlled by this scanning mirror drive circuit and scans and reflect inclined from this
This laser of mating plate, wherein a maximum of this luminance patterns this beam intensity of signal deciding.
Laser light adjusting system the most according to claim 1, it is characterised in that this luminance patterns is believed
Number determine this polaroid a rotational angle.
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 on this laser projection a to bubbler again, and imaging afterwards is out.
5. a laser light adjusting system, it is characterised in that including:
One image processor；
One ambient light sensor, detects an 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 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 controlled by this scanning mirror drive circuit and scans and reflect this laser；
And
One brightness control module, is electrically connected to this luminance patterns decision-making circuit, wherein this brilliance control
Module includes an intednsity circuit, driving motor and a polaroid, wherein this brilliance control electricity
Road controls this driving motor according to this luminance patterns signal, and this polaroid of this drive motor rotates,
This polaroid controls a beam intensity of this laser, wherein this this beam intensity of luminance patterns signal deciding
A maximum.
Laser light adjusting system the most according to claim 5, it is characterised in that the plurality of brightness mould
One rotational angle of formula this polaroid of signal deciding.
Laser light adjusting system the most according to claim 6, it is characterised in that this micro electromechanical scanning
Mirror is MEMS.
Laser light adjusting system the most according to claim 6, it is characterised in that this brilliance control mould
Block is projected to an image colligator after on this laser projection a to bubbler again, and imaging afterwards is out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271619.0U CN205608367U (en) | 2016-04-01 | 2016-04-01 | Laser dimming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271619.0U CN205608367U (en) | 2016-04-01 | 2016-04-01 | Laser dimming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608367U true CN205608367U (en) | 2016-09-28 |
Family
ID=56964269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620271619.0U Active CN205608367U (en) | 2016-04-01 | 2016-04-01 | Laser dimming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598857A (en) * | 2018-06-22 | 2018-09-28 | 王英棠 | Laser brightness adjusting part and laser |
| CN109557695A (en) * | 2019-01-17 | 2019-04-02 | 成都晶砂科技有限公司 | A kind of device, display device and brightness adjusting method adjusting display light source brightness |
-
2016
- 2016-04-01 CN CN201620271619.0U patent/CN205608367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598857A (en) * | 2018-06-22 | 2018-09-28 | 王英棠 | Laser brightness adjusting part and laser |
| CN109557695A (en) * | 2019-01-17 | 2019-04-02 | 成都晶砂科技有限公司 | A kind of device, display device and brightness adjusting method adjusting display light source brightness |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |