CN209458853U - Transmission-type MEMS chip, split transmission-type chip, lighting system and automobile - Google Patents
Transmission-type MEMS chip, split transmission-type chip, lighting system and automobile Download PDFInfo
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- CN209458853U CN209458853U CN201920440483.5U CN201920440483U CN209458853U CN 209458853 U CN209458853 U CN 209458853U CN 201920440483 U CN201920440483 U CN 201920440483U CN 209458853 U CN209458853 U CN 209458853U
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Abstract
This application discloses a kind of transmission-type MEMS chip, split transmission-type chip, lighting system and automobiles, are related to the technical field of intelligent lighting.The transmission-type MEMS chip of the application, including braced frame and driving device, braced frame is equipped with light transmission passage, with the micro- light-blocking chip arrays of MEMS for opening or closing light transmission passage, the micro- light-blocking chip arrays of MEMS include the micro- light barrier of multiple MEMS, and the micro- light barrier of MEMS is arranged to two rows of, the driving device is connect with the micro- light-blocking chip arrays of the MEMS, and for driving the micro- light barrier bending of each MEMS.Therefore this transmission-type MEMS chip can solve the technical issues of cannot accomplishing direct illumination by the micro- light-blocking chip arrays of MEMS of one chip.
Description
Technical field
This application involves the technical fields of intelligent lighting, in particular to a kind of transmission-type MEMS chip, split transmission
Formula chip, lighting system and automobile.
Background technique
MEMS (Micro-Electro-Mechanical System), i.e. MEMS, refer to by semiconductor material
Or other controllable micro mechanical structure systems constituted suitable for micro-machined material.The MEMS chip of transmission-type is available simple
Optical system accomplishes high light source utilization rate, and the scheme of its array is very suitable to the illumination of whole area source.
Wherein, in car lights field, far/near lamplight of automobile is to adapt to different illuminances, adapt under various speeds
Visibility and design.In other words, dipped headlight is used when night pavement conditions are poor, speed is slow or with opponent vehicle meeting;
, whereas if must then use high beam when pavement conditions are good, speed is fast, could see clearly in time so farther away under night conditions
Situation achievees the purpose that take measures to control vehicle safe driving in advance;Simultaneously in daily vehicle meeting, side's vehicle it is remote
Light lamp is excessively bright to perplex always other driver, cause car accident.Therefore far/near lamplight of automobile use, be not only related to itself
Traffic safety and personal attainment, are also relate to other people traffic safety.
In the prior art, due to light-blocking problem, cannot be accomplished directly by the micro- light-blocking chip arrays of MEMS of one chip
Illumination, but need the micro- light-blocking chip arrays of MEMS of at least two chips with the use of can be only achieved preferably lighting effect, it goes
Do direct illumination.In addition, the micro- light-blocking chip arrays of the MEMS of the prior art are bidirectional linear array, the spacing phase between adjacent two rows
Deng, and in the micro- light-blocking chip arrays of existing MEMS each micro- light barrier of MEMS bending direction, that is, opening direction it is identical, then every
After a micro- light barrier bending of MEMS, it is easy to happen light-blocking problem, causes the reduction of light efficiency utilization rate, and be unable to control "cut-off"line
Generation, only uses as matrix distance light, that is, matrix form distance light, it is impossible to be used in lower beam illumination, usage scenario have limitation, photograph
It is bright ineffective.
Utility model content
The application's is designed to provide a kind of transmission-type MEMS chip, with solve it is in the prior art cannot be by single
The technical issues of micro- light-blocking chip arrays of the MEMS of chip accomplish direct illumination.
The above-mentioned technical problem of the application is mainly to be addressed by following technical proposals:
A kind of transmission-type MEMS chip, including braced frame and driving device open up on the upper surface of the braced frame
There is light transmission passage, the micro- light-blocking chip arrays of MEMS for opening or closing light transmission passage are connected in the braced frame, it is described
The micro- light-blocking chip arrays of MEMS include multiple micro- light barriers of MEMS in array arrangement, and the micro- light barrier of the MEMS is arranged to
Two rows, the driving device are connect with the micro- light-blocking chip arrays of the MEMS, and for driving the micro- light barrier bending of each MEMS.
Optionally, the driving device includes power supply and driving circuit, and the micro- light barrier of MEMS is multilayer electrothermal structure
Or piezoelectric thin-film structure.
Optionally, the driving device includes heating device, and the micro- light barrier of MEMS includes the upper and lower, wherein
The upper layer is different from the material thermal expansion coefficient of lower layer.
It should be noted that being additionally provided with heating layer between upper layer and lower layer.
Optionally, the driving device includes electromagnet, and the micro- light barrier of MEMS includes flexible bool, institute
The top for stating bool is fixed with magnetite.
Therefore this transmission-type MEMS chip is by being arranged two rows of micro- light barriers of MEMS as the micro- light-blocking chip arrays of MEMS, MEMS
Micro- light-blocking chip arrays only have the micro- light barrier of two rows of MEMS, therefore after this two rows MEMS micro- light barrier bending, i.e. MEMS is micro- light-blocking
After chip arrays are opened, transmission region after micro- light-blocking chip arrays can be made full use of to open, and the transmission region do not have it is any
It blocks, so as to achieve the effect that high transparency, so that one chip can do direct illumination, realizes preferable illumination effect
Fruit improves light efficiency utilization rate.And this transmission-type MEMS chip can make this transmission-type MEMS chip by control pixel ratio
Both the more pixel illuminations of distance light can serve as, moreover it is possible to be used as the more pixel illuminations of dipped beam.
It should be noted that driving device for make can to bend with the micro- light barrier mirror surface of movable MEMS, rotate or
Translation, to achieve the effect that open or close light transmission passage using the micro- light-blocking chip arrays of MEMS.And the driving side of driving device
Formula includes but is not limited to electrostatic, magnetic force, electric current, electric heating or temperature.The micro- light-blocking chip arrays of MEMS only have the micro- gear of two rows of MEMS
Mating plate, every micro- light barrier of row MEMS is located on a straight line, two rows of micro- light barriers of MEMS respectively where straight line be in and set in parallel
It sets, i.e. the micro- light barrier of two rows MEMS is mutually in a parallel set, or the micro- light barrier of two rows MEMS is separately positioned on light transmission passage
On two opposite inner sidewalls, wherein the micro- light barrier number of MEMS in two rows of micro- light barriers of MEMS can be the same or different,
When the micro- light barrier number of the MEMS in the micro- light barrier of two rows of MEMS is identical, N number of micro- light barrier of MEMS is arranged in every row, i.e. MEMS is micro-
Light-blocking chip arrays include the micro- light barrier of 2N MEMS altogether;When the micro- light barrier number of MEMS in the micro- light barrier of two rows of MEMS is different
When, X and the micro- light barrier of Y MEMS is respectively set in two rows, i.e. the micro- light-blocking chip arrays of MEMS include (X+Y) a MEMS micro- light-blocking altogether
Piece.
The another object of the application is to provide a kind of split transmission-type chip, be utilized with solving light efficiency in the prior art
Rate is low, and the technical issues of can not be switched fast distance light, dipped beam.
The above-mentioned technical problem of the application is mainly to be addressed by following technical proposals:
A kind of split transmission-type chip, including above-mentioned transmission-type MEMS chip,
In the micro- light-blocking chip arrays of the MEMS, each micro- light barrier of MEMS has fixing end and free end, described
Fixing end is fixed in the braced frame, and the free end is after the driving device drives the micro- light barrier bending of the MEMS
Curved end can be formed;
The micro- light barrier of two rows of MEMS is respectively the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS;
The free end of the micro- light barrier of first row MEMS is close to the second row MEMS micro- light barrier setting described the
The free end of the two micro- light barriers of row MEMS is close to the micro- light barrier setting of the first row MEMS;
The micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS are towards table in the braced frame
The same lateral bend in face, and after the micro- light barrier of the first row MEMS and the second row MEMS micro- light barrier bending, described the
The curved end of the one micro- light barrier of row MEMS and the curved end of the micro- light barrier of second row MEMS are respectively positioned in the braced frame
The same side on surface.
Therefore originally split transmission-type chip is by enabling in the micro- light-blocking chip arrays of MEMS, the micro- light barrier of first row MEMS and second row
The bending direction of the micro- light barrier of MEMS in the micro- light barrier of MEMS at being reversed, and it is opposite open, to improve light efficiency utilization
Rate.
So set, one end (i.e. fixing end) of the micro- light barrier of first row MEMS is fixed on the support frame, the other end is (i.e.
Free end) it is to be known as curved end close to the micro- light barrier setting of second row MEMS, and after the micro- light barrier bending of MEMS;Second row
One end (i.e. fixing end) of the micro- light barrier of MEMS is fixed on the support frame, and the other end (i.e. free end) is close to first row MEMS
Micro- light barrier setting, and it is known as curved end after the micro- light barrier bending of MEMS.That is the free end of the micro- light barrier of first row MEMS
It is adjacent with the free end of the micro- light barrier of second row MEMS.The micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS towards
The same lateral bend of the braced frame upper surface, the i.e. bending of the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS
Direction is at being reversed, and after the micro- light barrier of first row MEMS and the micro- light barrier bending of second row MEMS, the micro- gear of first row MEMS
The curved end of mating plate and the curved end of the micro- light barrier of second row MEMS are respectively positioned on the same side of braced frame upper surface, i.e. support frame
The same side of the surrounded plane of frame.
In one specifically embodiment, the micro- light barrier of first row MEMS is located at the right of the micro- light barrier of second row MEMS,
The micro- light barrier of MEMS in the micro- light barrier of first row MEMS is rotated in the clockwise direction or is bent, in the micro- light barrier of second row MEMS
The micro- light barrier of MEMS rotate or be bent in the counterclockwise direction, from the side, the micro- light barrier of first row MEMS and second row MEMS
The micro- light barrier of MEMS in micro- light barrier is to be bent upwards, and forms the shape of similar " youngster " word, that is, seems that two rows of MEMS are micro-
Light barrier is opposite opens.Wherein, the micro- light barrier one end MEMS is fixing end, that is, fixed one end, and the other end is free end
It can movable one end.Curved end refers to the micro- light barrier of MEMS crooked end after bending, or refers to that the micro- light barrier of MEMS is curved
Tilting position when bent.Can so it understand, the free end of the micro- light barrier of MEMS is referred to as after the micro- light barrier bending of MEMS to be bent
End.
In addition, it is necessary to illustrate, the length of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS can be big
In, less than or equal to the length of the micro- light barrier of each MEMS in the micro- light barrier of second row MEMS.That is the micro- gear of first row MEMS
The length of the micro- light barrier of each MEMS in mating plate and the micro- light barrier of second row MEMS can be it is equal or unequal, so as to
When enabling the micro- light barrier of MEMS is opposite to open, split ground is uniformly or uneven.Each MEMS in the micro- light barrier of first row MEMS
The width of micro- light barrier can be greater than, less than or equal to the width of the micro- light barrier of each MEMS in the micro- light barrier of second row MEMS
Degree.The width of the micro- light barrier of each MEMS i.e. in the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS can be phase
Deng or it is unequal, so as to enable in the micro- light barrier of each MEMS and the micro- light barrier of second row in the micro- light barrier of first row MEMS
The micro- light barrier of each MEMS at being aligned or be staggered.
Preferably, the driving device is connect with each micro- light barrier of MEMS, and it can control each MEMS
Micro- light barrier bending deformation quantity is adjusted between the micro- light barrier of the first row MEMS and the micro- light barrier of second row MEMS
Spacing is to control the generation of "cut-off"line.
Wherein, it is micro- to adjust each MEMS by the mirror curvature deflection of each micro- light barrier of MEMS of control for driving device
The bending ratio of light barrier mirror surface, meanwhile, driving device can also enable the mirror curvature deflection of the micro- light barrier of each MEMS not
Together, and then the spacing between the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS is controlled, i.e. two rows MEMS is micro- light-blocking
In piece each pair of micro- light barrier of MEMS to align upon bending there are gap size control light and shade to control its luminous flux
The generation of dead line, and blocked without carrying out any light, achieve the purpose that be switched fast distance light, dipped beam, improve illuminating effect,
And the utilization rate of light can be improved.
Optionally, the length of each micro- light barrier of MEMS in the micro- light barrier of first row MEMS is greater than described the
The length of each micro- light barrier of MEMS in the two micro- light barriers of row MEMS.
Wherein, it is micro- light-blocking to be greater than second row MEMS for the length of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS
The length of the length of the micro- light barrier of each MEMS in piece, the i.e. micro- light barrier of two rows MEMS is not identical, then driving device control is each
When the mirror curvature deflection of a micro- light barrier of MEMS, it is easy to so that the bending deformation quantity of the micro- light barrier of second row MEMS is greater than
The bending deformation quantity of the micro- light barrier of first row MEMS, the generation of control "cut-off"line easier to control, furthermore, it is cut forming light and shade
Only after line, driving device continuously opens or closes pixel by being sequentially adjusted in, that is, is precisely controlled the curved of the micro- light barrier of each MEMS
It is bent or do not bend to straightened condition, at the same can also reach AFS (Adaptive Front-lighting System, i.e., it is adaptive
Answer headlamp control system) light modulation function, that is, be convenient for the adjustment of light angle up and down, can significantly improve various
Illuminating effect under road conditions provides best road lighting effect for driver, improves driving at night safety.
Optionally, the length of each micro- light barrier of MEMS in the micro- light barrier of first row MEMS is equal to described the
The length of each micro- light barrier of MEMS in the two micro- light barriers of row MEMS.
Wherein, it is micro- light-blocking to be equal to second row MEMS for the length of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS
The length of the length of the micro- light barrier of each MEMS in piece, i.e., each micro- light barrier of MEMS is identical, is more convenient for making and install, and
When driving device controls the mirror curvature of the micro- light barrier of each MEMS, enable its splitly more uniform.
Preferably, each micro- light barrier of MEMS and the second row in the micro- light barrier of first row MEMS
Each micro- light barrier of MEMS in the micro- light barrier of MEMS is in alignment setting,
The micro- light barrier of each MEMS in the micro- light barrier of first row MEMS with it is each in the micro- light barrier of second row MEMS
The micro- light barrier of MEMS is in alignment setting, and the micro- light barrier number of the MEMS of the micro- light barrier of first row MEMS and width are with second
It is equal to arrange the micro- light barrier of MEMS.
Preferably, the width of each micro- light barrier of MEMS in the micro- light barrier of first row MEMS be greater than or
Equal to the width of each micro- light barrier of MEMS in the micro- light barrier of second row MEMS.
The width of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS is greater than in the micro- light barrier of second row MEMS
The micro- light barrier of each MEMS width when, a micro- light barrier of MEMS of the micro- light barrier of first row MEMS can be with second row
The micro- light barrier alignment of two or more MEMS of the micro- light barrier of MEMS.Each MEMS in the micro- light barrier of first row MEMS
When the width of micro- light barrier is equal to the width of the micro- light barrier of each MEMS in the micro- light barrier of second row MEMS, first row MEMS is micro-
The micro- light barrier of the MEMS of light barrier can be aligned one by one with the micro- light barrier of MEMS of the micro- light barrier of second row MEMS.
The another object of the application is to provide a kind of lighting system, with solve it is in the prior art cannot be by single core
The technical issues of micro- light-blocking chip arrays of the MEMS of piece accomplish direct illumination or light efficiency utilization rate in the prior art are low, and nothing
Method is switched fast the technical issues of distance light, dipped beam.
The above-mentioned technical problem of the application is mainly to be addressed by following technical proposals:
A kind of lighting system, including light source and MEMS chip, the MEMS chip are transmission-type MEMS core as described above
Piece, or be split transmission-type chip as described above, the micro- light-blocking chip arrays of the MEMS of the MEMS chip are described
After the micro- light barrier bending of MEMS, optical transmission window can be formed with the light transmission passage, the light that the light source issues can be by described
Optical transmission window projects.
Since above-mentioned transmission-type MEMS chip has above-mentioned technical effect, since above-mentioned split transmission-type chip has
There is above-mentioned technical effect, the lighting system with the transmission-type MEMS chip or the split transmission-type chip also has identical
Technical effect.
Preferably, the MEMS chip be equipped with it is multiple, multiple MEMS chips are spliced by respective braced frame
Together.
Multiple MEMS chips are stitched together by respective braced frame, the micro- light barrier battle array of the MEMS of multiple MEMS chips
Column are used cooperatively, and lighting system can be enabled to generate the intelligent lighting scheme of higher pixel, form lighting effect well.
It should be noted that the braced frame in each MEMS chip is cuboid in one specifically embodiment
Shape, light transmission passage are that is, through bottom surface in the braced frame, and to run through the braced frame side through three face of braced frame
The through-hole in face becomes the shape that side is opening setting.It, only need to be by braced frame when carrying out the splicing of multiple MEMS chips
Open side alignment, then multiple braced frames are fixed with welding, assembling fixed, bolt, the connection types such as grafting are fixed on one
It rises, a complete MEMS chip can be formed.So operation, it is not only easy to operate, and lighting effect is good, can produce higher
The intelligent lighting scheme of pixel, more can make one chip that can do direct illumination, realize preferable lighting effect, improve light efficiency
Utilization rate.
In another specifically embodiment, enabling the braced frame in each MEMS chip is rectangular shape, and light transmission is logical
Road is through braced frame two sides, that is, upper and lower surface through-hole, and light transmission passage is closed in four sides of braced frame, is formed
One complete frame structure.When carrying out the splicing of multiple MEMS chips, multiple braced frames need to only be welded, be assembled admittedly
The connection types such as fixed, bolt fixes, grafting are fixed together.
Wherein, it should be noted that, in chip manufacturing proces, light transmission passage can be enabled not to be provided at the center of braced frame
Position enables one side of the light transmission passage close to braced frame, forms the structure of similar eccentric wheel, then carries out multiple chip splicings
When, the side of braced frame need to be only aligned, then multiple braced frames are fixed together with the connection types such as welding.
Preferably, the light source is any one in laser light source, LED light source, xenon light source or halogen light source.
The another object of the application is to provide a kind of automobile, with solve it is in the prior art cannot be by one chip
The technical issues of micro- light-blocking chip arrays of MEMS accomplish direct illumination or light efficiency utilization rate in the prior art are low, and can not be fast
The technical issues of speed switching distance light, dipped beam.
The above-mentioned technical problem of the application is mainly to be addressed by following technical proposals:
A kind of automobile, including vehicle lamp assembly, the vehicle lamp assembly include above-mentioned lighting system.
Since above-mentioned lighting system has above-mentioned technical effect, the automobile with the lighting system is also having the same
Technical effect.
Based on this, the application has light efficiency utilization rate high, can be switched fast distance light, dipped beam, and energy compared with original technology
The advantages of accomplishing direct illumination by the micro- light-blocking chip arrays of the MEMS of one chip.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is in the knot under bending state in the micro- light barrier of MEMS for the application transmission-type chip or split transmission-type chip
Structure schematic diagram;
Fig. 2 is the application transmission-type chip or split transmission-type the chip micro- light barrier of MEMS in the micro- light-blocking chip arrays of MEMS
Curved schematic when bending deformation quantity is larger;
Fig. 3 is the application transmission-type chip or split transmission-type the chip micro- light barrier of MEMS in the micro- light-blocking chip arrays of MEMS
Curved schematic when bending deformation quantity is smaller;
Fig. 4 is the application transmission-type chip or split transmission-type chip in the structural schematic diagram for forming "cut-off"line;
Fig. 5 is the structural schematic diagram of MEMS chip in the embodiment one of the application lighting system;
Fig. 6 is the structural schematic diagram of MEMS chip in the embodiment two of the application lighting system.
Icon: 1- braced frame;2- light transmission passage;The micro- light-blocking chip arrays of 3-MEMS;The micro- gear of 311- first row MEMS
Mating plate;The micro- light barrier of 312- second row MEMS;4- curved end.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not offered as arranging
Serial number can not be interpreted as indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
The embodiment one of transmission-type MEMS chip:
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of transmission-type MEMS chip, including braced frame 1 and driving device, braced frame
Light transmission passage 2 is offered on 1 upper surface, and the micro- gear of MEMS for opening or closing light transmission passage 2 is connected in braced frame 1
Filter Array 3, the micro- light-blocking chip arrays 3 of MEMS include multiple micro- light barriers of MEMS in array arrangement, and the micro- light barrier of MEMS
It is arranged to two rows of, driving device is connect with the micro- light-blocking chip arrays 3 of MEMS, and for driving the micro- light barrier bending of each MEMS.
In the present embodiment, driving device includes power supply and driving circuit, the micro- light barrier of MEMS be multilayer electrothermal structure or
Piezoelectric thin-film structure.
Therefore this transmission-type MEMS chip is by being arranged two rows of micro- light barriers of MEMS as the micro- light-blocking chip arrays of MEMS, MEMS
Micro- light-blocking chip arrays only have the micro- light barrier of two rows of MEMS, therefore after this two rows MEMS micro- light barrier bending, i.e. MEMS is micro- light-blocking
After chip arrays are opened, transmission region after micro- light-blocking chip arrays can be made full use of to open, and the transmission region do not have it is any
It blocks, so as to achieve the effect that high transparency, so that one chip can do direct illumination, realizes preferable illumination effect
Fruit improves light efficiency utilization rate.And this transmission-type MEMS chip can make this transmission-type MEMS chip by control pixel ratio
Both the more pixel illuminations of distance light can serve as, moreover it is possible to be used as the more pixel illuminations of dipped beam.
It should be noted that driving device is used to make to be rotated or be translatable with the micro- light barrier mirror surface of movable MEMS,
And the driving method of driving device includes but is not limited to electrostatic, magnetic force, electric current, electric heating or temperature.In the present embodiment, it drives
The driving method of device is electric current, and further, the driving method of the present embodiment is the electrothermal MEMS of voltage driving.MEMS is micro-
Light-blocking chip arrays only have the micro- light barrier of two rows of MEMS, and every micro- light barrier of row MEMS is located on a straight line, and two rows of MEMS are micro- light-blocking
Piece respectively where straight line be mutually in a parallel set, i.e. the micro- light barrier of two rows MEMS is mutually in a parallel set, or two rows MEMS
Micro- light barrier is separately positioned on two opposite inner sidewalls of light transmission passage, wherein the MEMS in two rows of micro- light barriers of MEMS is micro-
Light barrier number can be the same or different, when the micro- light barrier number of the MEMS in the micro- light barrier of two rows of MEMS is identical, often
N number of micro- light barrier of MEMS is arranged in row, i.e. the micro- light-blocking chip arrays of MEMS include the micro- light barrier of 2N MEMS altogether;When the micro- gear of two rows of MEMS
When the micro- light barrier number difference of MEMS in mating plate, X and the micro- light barrier of Y MEMS, the i.e. micro- light barrier of MEMS is respectively set in two rows
Array includes the micro- light barrier of (X+Y) a MEMS altogether.
The embodiment two of transmission-type MEMS chip:
In the present embodiment, driving device includes heating device, and the micro- light barrier of MEMS includes the upper and lower, wherein on
Layer is different from the material thermal expansion coefficient of lower layer.Rest part is identical as the embodiment one of transmission-type MEMS chip.
In the present embodiment, the driving method of driving device is temperature.When practical application, when heating device to upper layer under
The material of layer is heated, and since upper layer is different from the material of lower layer, after energization, deflects it to the small side of the coefficient of expansion,
To realize the bending deformation of the micro- light barrier mirror surface of MEMS.And the micro- light barrier of different MEMS can be realized by controlling temperature
The bending effect of mirror surface, so the bending deformation quantity of the micro- light barrier of MEMS can be controlled freely.It should be noted that in this implementation
In example, heating layer is additionally provided between upper layer and lower layer.The micro- light barrier of MEMS is with translucency and without the material of translucency
Made of material, therefore in the material of upper layer and lower layer, one layer of need have translucency, and another layer does not have translucency.
The embodiment three of transmission-type MEMS chip:
In the present embodiment, driving device includes electromagnet, and the micro- light barrier of MEMS includes flexible bool, bending
The top of part is fixed with magnetite.Rest part is identical as the embodiment one of transmission-type MEMS chip.
In the present embodiment, the driving method of driving device is magnetic force.When practical application, electromagnet generates electricity after being powered
Magnetic has magnetism, and the magnetite on the top of bool is attracted, and drives the top of bool mobile, is that bool bends
Deformation, after electromagnet power-off, magnetism just disappears therewith, and bool can be because of itself elastic recovery original state.And control can be passed through
Magnetic force realizes the bending effect of the micro- light barrier mirror surface of different MEMS, so the bending deformation quantity of the micro- light barrier of MEMS can be certainly
By controlling.It should be noted that the micro- light barrier of MEMS is made of material with translucency and without translucency, therefore it is bent
Part need to not have translucency.
The embodiment one of split transmission-type chip:
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of split transmission-type chip, the transmission-type MEMS core including any of the above-described embodiment
Piece,
In the micro- light-blocking chip arrays 3 of MEMS, each micro- light barrier of MEMS has fixing end and free end, and fixing end is fixed on
In braced frame 1, free end can form curved end 4 after the micro- light barrier bending of driving device driving MEMS;
Two rows of micro- light barriers of MEMS are respectively the micro- light barrier 311 of first row MEMS and the micro- light barrier 312 of second row MEMS;
The free end of the micro- light barrier 311 of first row MEMS is to be arranged close to the micro- light barrier 312 of second row MEMS, second row
The free end of the micro- light barrier 312 of MEMS is to be arranged close to the micro- light barrier 311 of first row MEMS;
The micro- light barrier 311 of first row MEMS and the micro- light barrier 312 of second row MEMS are towards the same of 1 upper surface of braced frame
Curving, and after the micro- light barrier 311 of first row MEMS and the micro- bending of light barrier 312 of second row MEMS, the micro- gear of first row MEMS
The curved end 4 of the micro- light barrier 312 of curved end 4 and second row MEMS of mating plate 311 is respectively positioned on the same of 1 upper surface of braced frame
Side.
See Fig. 4, driving device is connect with the micro- light barrier of each MEMS, and can control the micro- light barrier bending deformation of each MEMS
It measures to adjust the spacing between the micro- light barrier 311 of first row MEMS and the micro- light barrier 312 of second row MEMS to control light and shade cut-off
The generation of line.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, the micro- light barrier of each MEMS and second row in the micro- light barrier 311 of first row MEMS
The micro- light barrier of each MEMS in the micro- light barrier 312 of MEMS is in alignment setting,
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, the length of the micro- light barrier of each MEMS in the micro- light barrier 311 of first row MEMS is greater than
The length of the micro- light barrier of each MEMS in the micro- light barrier 312 of second row MEMS.
Therefore this split transmission-type chip is by enabling in the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS
The bending direction of the micro- light barrier of MEMS at being reversed, and it is opposite open, to improve light efficiency utilization rate.
The one end (i.e. fixing end) for being arranged such that the micro- light barrier of first row MEMS is fixed on the support frame, the other end
(i.e. free end) is to be known as curved end close to the micro- light barrier setting of second row MEMS, and after the micro- light barrier bending of MEMS;Second
The one end (i.e. fixing end) for arranging the micro- light barrier of MEMS is fixed on the support frame, and the other end (i.e. free end) is close to first row
The micro- light barrier setting of MEMS, and it is known as curved end after the micro- light barrier bending of MEMS.I.e. the micro- light barrier of first row MEMS from
It is adjacent with the free end of the micro- light barrier of second row MEMS by holding.The micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS are equal
Towards the same lateral bend of the braced frame upper surface, i.e. the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS
Bending direction is at being reversed, and after the micro- light barrier of first row MEMS and the micro- light barrier bending of second row MEMS, first row MEMS
The curved end of micro- light barrier and the curved end of the micro- light barrier of second row MEMS are respectively positioned on the same side of braced frame upper surface, that is, prop up
The same side of the surrounded plane of support frame frame.
In the present embodiment, the micro- light barrier of first row MEMS is located at the right of the micro- light barrier of second row MEMS, first row
The micro- light barrier of MEMS in the micro- light barrier of MEMS is rotated in the clockwise direction or is bent, the MEMS in the micro- light barrier of second row MEMS
Micro- light barrier is rotated or is bent in the counterclockwise direction, and from the side, the micro- light barrier of first row MEMS and second row MEMS are micro- light-blocking
The micro- light barrier of MEMS in piece is to be bent upwards, and forms the shape of similar " youngster " word, that is, seems the micro- light barrier of two rows of MEMS
For opposite opening.Wherein, the micro- light barrier one end MEMS is fixing end, that is, fixed one end, and the other end is that free end can live
Dynamic one end.Curved end refers to the micro- light barrier of MEMS crooked end after bending, or refers to when the micro- light barrier of MEMS is bent
Tilt position.Can so it understand, the free end of the micro- light barrier of MEMS is referred to as curved end after the micro- light barrier bending of MEMS.
Wherein, it is micro- to adjust each MEMS by the mirror curvature deflection of each micro- light barrier of MEMS of control for driving device
The bending ratio of light barrier mirror surface, meanwhile, driving device can also enable the mirror curvature deflection of the micro- light barrier of each MEMS not
Together, and then the spacing between the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS is controlled, i.e. two rows MEMS is micro- light-blocking
In piece each pair of micro- light barrier of MEMS to align upon bending there are gap size control light and shade to control its luminous flux
The generation of dead line, and blocked without carrying out any light, achieve the purpose that be switched fast distance light, dipped beam, improve illuminating effect,
And the utilization rate of light can be improved.
In addition, be with being worth mentioning, the length of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS is greater than the
The length of the length of the micro- light barrier of each MEMS in the two micro- light barriers of row MEMS, the i.e. micro- light barrier of two rows MEMS is not identical, then
When driving device controls the mirror curvature deflection of the micro- light barrier of each MEMS, it is easy to so that the micro- light barrier of second row MEMS
Bending deformation quantity of the bending deformation quantity greater than the micro- light barrier of first row MEMS, the generation of control "cut-off"line easier to control, then
Person, after forming "cut-off"line, driving device continuously opens or closes pixel by being sequentially adjusted in, that is, is precisely controlled each
The bending of the micro- light barrier of MEMS does not bend to straightened condition, while can also reach AFS (Adaptive Front-
Lighting System, i.e. adaptive front lamp control system) light modulation function, that is, be convenient for light angle up and down
Adjustment, can significantly improve the illuminating effect under various road conditions, provide best road lighting effect for driver, improve night
Traffic safety.
It should be noted that the micro- light barrier of each MEMS and second row MEMS in the micro- light barrier of first row MEMS are micro- light-blocking
The micro- light barrier of each MEMS in piece is in alignment setting one by one, i.e. MEMS micro- light barrier of the micro- light barrier of first row MEMS
Several and width is equal with the micro- light barrier of second row MEMS.
The embodiment two of split transmission-type chip:
In the present embodiment, the length of the micro- light barrier of each MEMS in the micro- light barrier 311 of first row MEMS is equal to second
Arrange the length of the micro- light barrier of each MEMS in the micro- light barrier 312 of MEMS.The embodiment of rest part and split transmission-type chip
One is identical.
Wherein, it is micro- light-blocking to be equal to second row MEMS for the length of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS
The length of the length of the micro- light barrier of each MEMS in piece, i.e., each micro- light barrier of MEMS is identical, is more convenient for making and install, and
When driving device controls the mirror curvature of the micro- light barrier of each MEMS, enable its splitly more uniform.
The embodiment three of split transmission-type chip:
In the present embodiment, the width of the micro- light barrier of each MEMS in the micro- light barrier 311 of first row MEMS is greater than second
Arrange the width of the micro- light barrier of each MEMS in the micro- light barrier 312 of MEMS.The embodiment of rest part and split transmission-type chip
One is identical.
The width of the micro- light barrier of each MEMS in the micro- light barrier of first row MEMS is greater than in the micro- light barrier of second row MEMS
The micro- light barrier of each MEMS width when, a micro- light barrier of MEMS of the micro- light barrier of first row MEMS can be with second row
The micro- light barrier alignment of two or more MEMS of the micro- light barrier of MEMS.
The embodiment one of lighting system:
See that Fig. 5, a kind of lighting system, including light source and MEMS chip, MEMS chip are the transmission of any of the above-described embodiment
Formula MEMS chip, or be the split transmission-type chip of such as above-mentioned any embodiment, the micro- light-blocking chip arrays 3 of the MEMS of MEMS chip
After the micro- light barrier bending of MEMS, optical transmission window can be formed with light transmission passage 2, the light that light source issues can be penetrated by optical transmission window
Out.
Wherein, light source is any one in laser light source, LED light source, xenon light source or halogen light source.
Since the transmission-type MEMS chip of any of the above-described embodiment has above-mentioned technical effect, due to above-mentioned split
Formula chip is penetrated with above-mentioned technical effect, there is the transmission-type MEMS chip or the lighting system of the split transmission-type chip
Also technical effect having the same.
Wherein, MEMS chip is equipped with multiple, and multiple MEMS chips are stitched together by respective braced frame.
Multiple MEMS chips are stitched together by respective braced frame, the micro- light barrier battle array of the MEMS of multiple MEMS chips
Column are used cooperatively, and lighting system can be enabled to generate the intelligent lighting scheme of higher pixel, form lighting effect well.
It should be noted that in the present embodiment, the braced frame in each MEMS chip is rectangular shape, light transmission is logical
Road is that is, through bottom surface in the braced frame, and to run through the through-hole of the braced frame one side through three face of braced frame,
Become the shape that side is opening setting.It, only need to be by the open side of braced frame when carrying out the splicing of multiple MEMS chips
Alignment, then multiple braced frames are fixed with welding, assembling fixed, bolt, the connection types such as grafting are fixed together, can shape
At a complete MEMS chip.So operation, it is not only easy to operate, and lighting effect is good, can produce the intelligence of higher pixel
Energy illumination scheme, more can make one chip that can do direct illumination, realize preferable lighting effect, improve light efficiency utilization rate.
The embodiment two of lighting system:
See Fig. 6, in the present embodiment, enabling the braced frame in each MEMS chip is rectangular shape, and light transmission passage is
Through braced frame two sides, that is, upper and lower surface through-hole, and light transmission passage is closed in four sides of braced frame, forms one
Complete frame structure.When carrying out the splicing of multiple MEMS chips, multiple braced frames need to only be welded, assemble fixed, spiral shell
The connection types such as bolt fixes, grafting are fixed together.Rest part is identical as the embodiment one of lighting system.
Wherein, it should be noted that, in chip manufacturing proces, light transmission passage can be enabled not to be provided at the center of braced frame
Position enables one side of the light transmission passage close to braced frame, forms the structure of similar eccentric wheel, then carries out multiple chip splicings
When, the side of braced frame need to be only aligned, then multiple braced frames are fixed together with the connection types such as welding.
The embodiment one of automobile:
A kind of automobile, including vehicle lamp assembly, vehicle lamp assembly include the lighting system of any of the above-described embodiment.
Since above-mentioned lighting system has above-mentioned technical effect, the automobile with the lighting system is also having the same
Technical effect.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of transmission-type MEMS chip, it is characterised in that: including braced frame and driving device, the upper table of the braced frame
Light transmission passage is offered on face, and the micro- light barrier battle array of MEMS for opening or closing light transmission passage is connected in the braced frame
Column, the micro- light-blocking chip arrays of MEMS include multiple micro- light barriers of MEMS in array arrangement, and the micro- light barrier of the MEMS
It is arranged to two rows of, the driving device is connect with the micro- light-blocking chip arrays of the MEMS, and for driving each MEMS micro- light-blocking
Piece bending.
2. a kind of split transmission-type chip, it is characterised in that: including transmission-type MEMS chip described in claim 1,
In the micro- light-blocking chip arrays of the MEMS, each micro- light barrier of MEMS has fixing end and free end, the fixation
End is fixed in the braced frame, and the free end can shape after the driving device drives the micro- light barrier bending of the MEMS
At curved end;
The micro- light barrier of two rows of MEMS is respectively the micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS;
The free end of the micro- light barrier of first row MEMS is close to the micro- light barrier setting of the second row MEMS, the second row
The free end of the micro- light barrier of MEMS is close to the micro- light barrier setting of the first row MEMS;
The micro- light barrier of first row MEMS and the micro- light barrier of second row MEMS are towards the braced frame upper surface
Same lateral bend, and after the micro- light barrier of the first row MEMS and the micro- light barrier bending of the second row MEMS, the first row
The curved end of the micro- light barrier of MEMS and the curved end of the micro- light barrier of second row MEMS are respectively positioned on the braced frame upper surface
The same side.
3. split transmission-type chip according to claim 2, it is characterised in that: the driving device and each MEMS
Micro- light barrier connection, and it is micro- light-blocking to adjust the first row MEMS to can control the micro- light barrier bending deformation quantity of each MEMS
Spacing between piece and the micro- light barrier of second row MEMS is to control the generation of "cut-off"line.
4. split transmission-type chip according to claim 3, it is characterised in that: and in the micro- light barrier of first row MEMS
Each micro- light barrier of MEMS length be greater than the micro- light barrier of second row MEMS in each MEMS it is micro- light-blocking
The length of piece.
5. split transmission-type chip according to claim 3, it is characterised in that: and in the micro- light barrier of first row MEMS
Each micro- light barrier of MEMS length be equal to the micro- light barrier of second row MEMS in each MEMS it is micro- light-blocking
The length of piece.
6. the split transmission-type chip according to any one of claim 2 to 5, it is characterised in that: the first row MEMS
Each micro- gear of MEMS in each micro- light barrier of MEMS and the micro- light barrier of second row MEMS in micro- light barrier
Mating plate is in alignment setting.
7. the split transmission-type chip according to any one of claim 2 to 5, it is characterised in that: the first row MEMS
The width of each micro- light barrier of MEMS in micro- light barrier is more than or equal in the micro- light barrier of second row MEMS
The width of each micro- light barrier of the MEMS.
8. a kind of lighting system, it is characterised in that: including light source and MEMS chip, the MEMS chip is such as claim 1 institute
The transmission-type MEMS chip stated, or be the split transmission-type chip as described in any one of claim 2 to 7, the MEMS
The micro- light-blocking chip arrays of the MEMS of chip can form light inlet window with the light transmission passage after the micro- light barrier bending of the MEMS
Mouthful, the light that the light source issues can be projected by the optical transmission window.
9. lighting system according to claim 8, it is characterised in that: the MEMS chip be equipped with it is multiple, it is multiple described
MEMS chip is stitched together by respective braced frame.
10. a kind of automobile, it is characterised in that: including vehicle lamp assembly, the vehicle lamp assembly includes as claimed in claim 8 or 9
Lighting system.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109882798A (en) * | 2019-04-02 | 2019-06-14 | 华域视觉科技(上海)有限公司 | Transmission-type MEMS chip, split transmission-type chip, lighting system and automobile |
CN113985599A (en) * | 2021-09-29 | 2022-01-28 | 无锡微奥科技有限公司 | Transmission-type optical switch, lighting device, and electronic apparatus |
-
2019
- 2019-04-02 CN CN201920440483.5U patent/CN209458853U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109882798A (en) * | 2019-04-02 | 2019-06-14 | 华域视觉科技(上海)有限公司 | Transmission-type MEMS chip, split transmission-type chip, lighting system and automobile |
CN109882798B (en) * | 2019-04-02 | 2024-03-12 | 华域视觉科技(上海)有限公司 | Transmission type MEMS chip, split transmission type chip, lighting system and automobile |
CN113985599A (en) * | 2021-09-29 | 2022-01-28 | 无锡微奥科技有限公司 | Transmission-type optical switch, lighting device, and electronic apparatus |
CN113985599B (en) * | 2021-09-29 | 2024-01-16 | 无锡微文半导体科技有限公司 | Transmission type optical switch, lighting device and electronic equipment |
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