CN205991426U - A kind of reflective automobile tail light by the use of DLP projector as light source - Google Patents
A kind of reflective automobile tail light by the use of DLP projector as light source Download PDFInfo
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- CN205991426U CN205991426U CN201620929664.0U CN201620929664U CN205991426U CN 205991426 U CN205991426 U CN 205991426U CN 201620929664 U CN201620929664 U CN 201620929664U CN 205991426 U CN205991426 U CN 205991426U
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- light
- projecting lens
- focus
- dlp
- automobile tail
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Abstract
A kind of reflective automobile tail light by the use of DLP projector as light source, belongs to signals of vehicles device.It arranges a mounting bracket, and a DLP projector and described projecting lens are fixed as one；The light that DLP projector projects, constitutes the light source of automobile tail light；The light of DLP projector projection, passes through outer lens by reflecting mirror after reflecting, constitute described reflective automobile tail light goes out light；DLP projector at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board, and the light outlet of DLP projector is in the focal position of reflecting mirror.Optical effect rich and changeful for DLP projector is applied to automobile tail light field by it, changes the unalterable light type effect of automobile tail light；Different colours, any switching laws of different light type can be realized, really become intelligent taillight.Can be widely used for design and the manufacture field of automobile tail light.Can be widely used for design and the manufacture field of automobile tail light.
Description
Technical field
This utility model belongs to car lighting or advertiser field, more particularly, to a kind of signal dress for automobile tail light
Put.
Background technology
DLP (Digital Light Processing, digital optical processing) is a revolutionary character of projection and display information
New method, designed and developed by American TI Company.It passes through high DMD (the Digital Micromirror of one piece of reflectance
Device, digital micro-mirror) eyeglass (also known as chip, similarly hereinafter), the picture being made up of three primary colories (RGB) can be projected.
This technology than traditional employing LCD be light source scialyscope, lumen, solution as and high-contrast in terms of all show
Very big superiority.Optical projection system based on one DLP includes internal memory and signal processing function to support digital methods.
Other elements of DLP projector generally include a light source, color filter system, cooling system, a photograph
Bright and projection optics.
One DMD eyeglass (or chip), can be briefly described and become a semiconductor optical switch.Thousands of small
Square eyeglass, is built upon on the hinge arrangement above static random access memory and forms DMD.Each eyeglass can be with break-make
The light of one pixel.
Hinge arrangement allows eyeglass to tilt between two states, and+10 spend for "ON".- 10 spend for "Off", when eyeglass not work
When making, they are in 0 degree of " berthing " state.Therefore, DLP can become a simple optical system, by condenser lenss and face
After color filters, the light from light source is shone directly on DMD, and when DMD eyeglass is in ON position, they pass through projection
Light projection is gone out by lens.
At present, the mainstream technology of automobile tail light is the mode of operation of light source (bulb or LED) plus reflecting surface/condensing body, that is,
With reflecting surface/condensing body, light is reflected away, to reach the light type wanted, this technology maturation, reliable.
But, in the automobile tail light using this mode of operation, once the structure determination of reflecting surface/condensing body, then automobile
The light light type that goes out of taillight has also determined that and has been changed it is impossible to it is gone out with light light type.
Further, since the light color that goes out of existing light source (bulb/LED) is changeless, therefore adopt above-mentioned mode of operation
Automobile tail light, be the color that cannot change the light that automobile tail light projects, thus existing automobile tail light if necessary to send out
Go out different colours light signal when, then need to arrange the light source that at least two differences go out light color, go out light face to meet difference
The needs of color.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of reflective vapour by the use of DLP projector as light source
Tail-light.It adopts DLP projector as light source, and the light of DLP projector projection passes through luminous intensity distribution by reflecting mirror after reflecting
Mirror, thus realizing dynamic, transformable automobile tail light light type, by adjusting the colour wheel in DLP projector, can control projection
The color of the light going out, thus realize the switching of taillight difference in functionality.
The technical solution of the utility model is：A kind of reflective automobile tail light by the use of DLP projector as light source is provided,
Outer lens, projecting lens and the reflecting mirror including taillight lamp body, being located in taillight lamp body, is characterized in that：
One mounting bracket of setting, a DLP projector and described projecting lens are fixed as one；
The light that described DLP projector projects, constitutes the light source of described automobile tail light；
The light of described DLP projector projection, after described reflecting mirror reflects, through outer lens, constitutes described anti-
That penetrates formula automobile tail light goes out light；
Described DLP projector at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board.
Specifically, the light outlet of described DLP projector is in the focal position of reflecting mirror.
The light of described DLP projector projection, by the first focus on described projecting lens primary optical axis to described anti-
Penetrate mirror, after reflection, then by the second focus on described projecting lens primary optical axis, reach described projecting lens, become
Parallel to the parallel rayies of projecting lens primary optical axis, by described outer lens, it is output into described reflective automobile tail light
Go out light.
Specifically, the first focus on described projecting lens primary optical axis is the focus of reflecting mirror, described projecting lens key light
The second focus on axle is the focus of projecting lens, and the first described focus and the second focus are respectively positioned on the master of described projecting lens
On optical axis；The distance of the first focus extremely described projecting lens on described projecting lens primary optical axis, more than described projecting lens key light
The distance of the second focus extremely described projecting lens on axle.
Specifically, DLP projector is fixed as one by described mounting bracket with described projecting lens, reflecting mirror；Institute
The mounting bracket stated is fixed as one with described taillight lamp body by fastening screw.
Further, described projecting lens is toroidal lenss；The light source of described DLP projector is bulb or LED.
Further, the inner surface setting in described outer lens has column decorative pattern.
The technical solution of the utility model, additionally provides a kind of reflective car tail by the use of DLP projector as light source
Lamp, the outer lens including taillight lamp body, being located in taillight lamp body, projecting lens and reflecting mirror, it is characterized in that：
In described taillight lamp body arrange a DLP projector, arrange a mounting bracket, by DLP projector with described
Projecting lens fix as one；
The light outlet of described DLP projector is in the focal position of reflecting mirror；
Described DLP projector gone out light, as the light source of described reflective automobile tail light；
The light that described DLP projector projects, by the first focus on described projecting lens primary optical axis, extremely described
Reflecting mirror, after reflecting mirror reflection, then by the second focus on described projecting lens primary optical axis, reaches described projection saturating
Mirror, becomes parallel to the parallel rayies of projecting lens primary optical axis, by described outer lens, is output into described reflective vapour
Tail-light go out light；
Described DLP projector at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board.
Specifically, the first focus on described projecting lens primary optical axis is the focus of reflecting mirror, described projecting lens key light
The second focus on axle is the focus of projecting lens, and the first described focus and the second focus are respectively positioned on the master of described projecting lens
On optical axis；The first described focus to described projecting lens distance, more than described second focus to described projecting lens away from
From.
Specifically, DLP projector is fixed as one by described mounting bracket with described projecting lens, reflecting mirror；Institute
The mounting bracket stated is fixed as one with described taillight lamp body by fastening screw.
Further, described projecting lens is toroidal lenss；The light source of described DLP projector is bulb or LED；Institute
The inner surface setting stating outer lens has column decorative pattern.
Compared with the prior art, the utility model has the advantages that：
1. together with being effectively combined DLP shadow casting technique with automobile tail light, by optics effect rich and changeful for DLP projector
Fruit is applied to automobile tail light field, changes the unalterable light type effect of automobile tail light.
2. different colours, any switching laws of different light type can be realized using the automobile tail light of DLP projector, really become
Intelligent taillight.
Brief description
Fig. 1 is structure principle chart of the present utility model.
In figure 1 is outer lens, and 2 is projecting lens, and 3 is reflecting mirror, and 4 is DLP projector.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
In Fig. 1, the technical solution of the utility model provides a kind of reflective automobile by the use of DLP projector as light source
Taillight, the outer lens 1 including taillight lamp body, being located in taillight lamp body, projecting lens 2 and reflecting mirror 3, its inventive point is：
One mounting bracket of setting, by a DLP projector (or referred to as DLP projection arrangement or DLP projection system, similarly hereinafter)
4 are fixed as one with described projecting lens 2；
The light that DLP projector projects, constitutes the light source of reflective automobile tail light；
The light of DLP projector projection, after reflecting by reflecting mirror, through outer lens, constitutes reflective automobile tail light
Go out light；
DLP projector at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board；
By adjusting the DMD eyeglass of DLP projector, realize dynamic, transformable automobile tail light light type；
By adjusting the colour wheel in DLP projector, to change the color of DLP projector throw light, and then to control automobile
Taillight projects the color of light, thus realizing the switching of taillight difference in functionality.
The light outlet of DLP projector is located at the focal position of reflecting mirror.
Specifically, the light of DLP projector projection, by the first focus on projecting lens primary optical axis to reflecting mirror, warp
After crossing reflection, then by the second focus on projecting lens primary optical axis, reach projecting lens, become parallel to projecting lens key light
The parallel rayies of axle, by (through) outer lens, be output into described reflective automobile tail light goes out light.
Specifically, the first focus on projecting lens primary optical axis to projecting lens distance, more than projecting lens primary optical axis
Upper second focus to projecting lens distance.
Specifically, DLP projector passes through to adjust described colour wheel, and the color or colour temperature of DLP projector output light is entered
Row controls, and projects red light, sodium yellow or white composite respectively, so that reflective automobile tail light can meet tail respectively
Lamp, steering indicating light or the different light color that goes out of back-up lamp require.
Specifically, DLP projector is fixed as one by mounting bracket with projecting lens, reflecting mirror；Mounting bracket is passed through tight
Gu screw is fixed as one with described taillight lamp body.
Specifically, projecting lens is toroidal lenss；The light source of DLP projector is bulb or LED；Interior table in outer lens
Face is provided with decorative pattern, and decorative pattern can be the decorative pattern of column structure, by adjusting mechanical dimension and the angle of column decorative pattern, can be right
The light lamplight type that goes out of reflective car tail is adjusted.
Shown in figure, the actual focus for reflecting mirror of the first focus on projecting lens primary optical axis, projecting lens
The actual focus for projecting lens of the second focus on primary optical axis, the first focus and the second focus are respectively positioned on the key light of projecting lens
On axle.
The technical solution of the utility model additionally provides a kind of reflective car tail by the use of DLP projector as light source
Lamp, the outer lens including taillight lamp body, being located in taillight lamp body, projecting lens and reflecting mirror, its inventive point is：
A DLP projector is set in taillight lamp body, a mounting bracket is set, by DLP projector and projecting lens
Fix as one；
The light outlet of DLP projector is located at the focal position of reflecting mirror.
DLP projector gone out light, as the light source of described reflective automobile tail light；
The light that DLP projector projects, by the first focus on projecting lens primary optical axis, to reflecting mirror, through anti-
After penetrating mirror reflection, then by the second focus on projecting lens primary optical axis, reach projecting lens, become parallel to projecting lens master
The parallel rayies of optical axis, by (through) outer lens, be output into described reflective automobile tail light goes out light.
DLP projector at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board；
By adjusting the DMD eyeglass of DLP projector, dynamic to realize, transformable automobile tail light light type output.
By adjusting the colour wheel in described DLP projector, thus it is possible to vary described DLP projector projects the face of output light
Color, controls automobile tail light to project the color of light, thus realizing the switching of taillight difference in functionality.
Specifically, on projecting lens primary optical axis the first focus to projecting lens distance, more than on projecting lens primary optical axis
Second focus to projecting lens distance.
It is apparent that the first focus on projecting lens primary optical axis is the focus of reflecting mirror, on projecting lens primary optical axis the
Two focuses are the focus of projecting lens, and the first focus and the second focus are respectively positioned on the primary optical axis of projecting lens.
By adjusting the colour wheel in described DLP projector, the color of DLP projector output light or colour temperature can be carried out
Control so that described reflective automobile tail light can project red light, sodium yellow or white composite respectively, reflection can be made
Formula automobile tail light can meet the semiotic function that automobile tail light, steering indicating light or the difference needed for back-up lamp go out light color simultaneously.
Further, by regulation or the control of DLP projector so that the output light of reflective automobile tail light, can
Realize different colours, any switching laws of different light type.
In optical technology, the light that certain point sends on lens axis, parallel to optical axis after being reflected by lens, this point
First focus of referred to as lens that is to say, that when object is placed on the first focal point of lens, by lens imaging in infinity.
Parallel to the light of optical axis, reflect certain point on optical axis for the post-concentration by lens, this point is referred to as the of lens
Two focuses.The i.e. object of infinite point, by lens imaging lens the second focal point.
In the technical program, DLP projector and projecting lens are each attached in mounting bracket, and DLP projector projects
Light, through reflecting mirror reflection after pass through lens, it is possible to achieve dynamic, transformable automobile tail light light type, by adjust
Colour wheel in DLP projector, can control the color (also known as colour temperature) of the light that DLP projector projects, thus realizing taillight
The switching of difference in functionality.
The working condition of automobile intelligent rear light described in the technical program is as follows：
The light that light source (bulb or LED) in DLP projection system is launched, by collecting lenses by light uniformization, so
Light after treatment passes through a colour wheel afterwards, splits the light into RGB (red (R), green (G), blue (B) three colors) (or RGBW
More polychromes such as (red (R), green (G), blue (B), white (W))), then color is penetrated on dmd chip by repairing lens, wherein DMD core
Piece is a mirror being encapsulated in metal and the confined space of glass composition, and dmd chip is micro- by hundreds thousand of or even up to a million
Microscope group becomes, and a piece of micro mirror represents a pixel, and rate of change is 1000 times/second or faster, all has similar hinge below every micro mirror
The tumbler of chain effect, hinge arrangement allows eyeglass to tilt between two states, and+10 spend for "ON".- 10 spend for "Off",
When eyeglass does not work, they are in 0 degree of " berthing " state.
The light that micro-mirror device reflection in dmd chip needs, light from the light-emitting window of DLP projector out after, through anti-
Penetrate the focus (i.e. aforesaid first focus) of mirror, after projecting the reflecting surface of reflecting mirror, projected by the focus of reflecting mirror, light
Through the focus (i.e. aforesaid second focus) of projecting lens, then after lens refraction, abreast wear from the lens of taillight
Cross.
Due to DLP shadow casting technique be prior art, therefore DLP projector specifically mechanical, electrical structure and adjustment control method exist
This no longer describes.
Based on millions of grades in DMD of micro mirror, DLP projector can provide the gray scale layer of 1670 million colors and 256 sections
Secondary.
DLP shadow casting technique is effectively combined together with automobile tail light by the technical program, and DLP projector is rich and changeful
Optical effect be applied to automobile tail light field, change the unalterable light type effect of automobile tail light.Using DLP projector
Automobile tail light can realize different colours, any switching laws of different light type, really becomes intelligent taillight.
This utility model can be widely used for design and the manufacture field of automobile tail light.
Claims (10)
1. a kind of reflective automobile tail light by the use of DLP projector as light source, including taillight lamp body, is located in taillight lamp body
Outer lens, projecting lens and reflecting mirror, is characterized in that：
One mounting bracket of setting, a DLP projection system and described projecting lens are fixed as one；
The light that described DLP projection system projects, constitutes the light source of described automobile tail light；
The light of described DLP projection system projection, after described reflecting mirror reflects, through outer lens, constitutes described reflection
Formula automobile tail light go out light；
Described DLP projection system at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board.
2. described according to by the use of DLP projector as the reflective automobile tail light of light source, it is characterized in that described in claim 1
The light outlet of DLP projection system is in the focal position of reflecting mirror；The light of described DLP projection system projection, by described
The first focus on projecting lens primary optical axis, to described reflecting mirror, after reflection, then passes through described projecting lens primary optical axis
On the second focus, reach described projecting lens, become parallel to the parallel rayies of projecting lens primary optical axis, by described
Outer lens, be output into described reflective automobile tail light goes out light.
3. it is characterized in that described throwing according to described in claim 2 by the use of DLP projector as the reflective automobile tail light of light source
The first focus on shadow lens primary optical axis is the focus of reflecting mirror, and the second focus on described projecting lens primary optical axis is that projection is saturating
The focus of mirror, the first described focus and the second focus are respectively positioned on the primary optical axis of described projecting lens；Described projecting lens master
The distance of the first focus extremely described projecting lens on optical axis, more than the second focus on described projecting lens primary optical axis to described projection
The distance of lens.
4. described according to by the use of DLP projector as the reflective automobile tail light of light source, it is characterized in that described in claim 1
DLP projection system is fixed as one by mounting bracket with described projecting lens, reflecting mirror；Described mounting bracket passes through fastening
Screw is fixed as one with described taillight lamp body.
5. described according to by the use of DLP projector as the reflective automobile tail light of light source, it is characterized in that described in claim 1
Projecting lens is toroidal lenss；The light source of described DLP projection system is bulb or LED.
6., it is characterized in that described by the use of DLP projector as the reflective automobile tail light of light source according to described in claim 1
The inner surface setting of outer lens has column decorative pattern.
7. a kind of reflective automobile tail light by the use of DLP projector as light source, including taillight lamp body, is located in taillight lamp body
Outer lens, projecting lens and reflecting mirror, is characterized in that：
In described taillight lamp body arrange a DLP projector, arrange a mounting bracket, by DLP projection system with described
Projecting lens fixes as one；
The light outlet of described DLP projection system is in the focal position of reflecting mirror；
Described DLP projector gone out light, as the light source of described reflective automobile tail light；
The light that described DLP projector projects, by the first focus on described projecting lens primary optical axis, to described reflection
Mirror, after reflecting mirror reflection, then by the second focus on described projecting lens primary optical axis, reaches described projecting lens,
Become parallel to the parallel rayies of projecting lens primary optical axis, by described outer lens, be output into described reflective automobile
Taillight go out light；
Described DLP projector at least includes light source, colour wheel, finishing lens, DMD eyeglass and DLP wiring board.
8. it is characterized in that described throwing according to described in claim 7 by the use of DLP projector as the reflective automobile tail light of light source
The first focus on shadow lens primary optical axis is the focus of reflecting mirror, and the second focus on described projecting lens primary optical axis is that projection is saturating
The focus of mirror, the first described focus and the second focus are respectively positioned on the primary optical axis of described projecting lens；The first described focus
To the distance of described projecting lens, more than the distance of described second focus to described projecting lens.
9. described according to by the use of DLP projector as the reflective automobile tail light of light source, it is characterized in that described in claim 7
DLP projection system is fixed as one by mounting bracket with described projecting lens, reflecting mirror；Described mounting bracket passes through fastening
Screw is fixed as one with described taillight lamp body.
10. described according to by the use of DLP projector as the reflective automobile tail light of light source, it is characterized in that described in claim 7
Projecting lens be toroidal lenss；The light source of described DLP projection system is bulb or LED；Inner surface in described outer lens
It is provided with column decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620929664.0U CN205991426U (en) | 2016-08-24 | 2016-08-24 | A kind of reflective automobile tail light by the use of DLP projector as light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620929664.0U CN205991426U (en) | 2016-08-24 | 2016-08-24 | A kind of reflective automobile tail light by the use of DLP projector as light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991426U true CN205991426U (en) | 2017-03-01 |
Family
ID=58107101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620929664.0U Expired - Fee Related CN205991426U (en) | 2016-08-24 | 2016-08-24 | A kind of reflective automobile tail light by the use of DLP projector as light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991426U (en) |
-
2016
- 2016-08-24 CN CN201620929664.0U patent/CN205991426U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20200824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |