CN101644386B - LED light fitting based on DMD micro-lens optical design - Google Patents
LED light fitting based on DMD micro-lens optical design Download PDFInfo
- Publication number
- CN101644386B CN101644386B CN2009100330871A CN200910033087A CN101644386B CN 101644386 B CN101644386 B CN 101644386B CN 2009100330871 A CN2009100330871 A CN 2009100330871A CN 200910033087 A CN200910033087 A CN 200910033087A CN 101644386 B CN101644386 B CN 101644386B
- Authority
- CN
- China
- Prior art keywords
- light
- micro mirror
- led
- design
- light path
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention relates to an LED light fitting based on DMD micro-lens optical design. A realizing method of the LED light fitting is to design an LED light path according to the design and the mounting type of the LED light fitting through special software. In practical design, a flexible PCB is arranged on the inner surface of the light fitting, and meanwhile, microlenses connected by hinges or directly connected are arranged at a specific position in the light fitting; the angle of the microlens can be controlled by pins at the same position of the light fitting, thereby the light path is changed. The light path regulation having the feedback property provides a solution to deficiencies brought by a fixed reflecting surface in the prior light fitting.
Description
Technical field
The present invention relates to be a kind of with DMD (dynamic mirror device) optical design and production control, MEMS, with the design and the manufacturing process of the comprehensive variable light paths of LEDs light fixture of LED light fixture manufacturing technology, belong to fine manufacturing, the micro-electro-mechanical systems technical field that the micro-optic technology intersects of unifying.
Background technology
The illuminating product that directly uses blue chip to excite YAG fluorescent material to send white light is referred to as semiconductor lighting product.The White LED illuminating product is compared the 80%-90% that can economize on electricity with traditional incandescent lamp; And the life-span can reach 8-10 ten thousand hours, was more than 10 times of incandescent lamp, and significant advantage such as have energy-conserving and environment-protective, luminous volume is little, reliability is high and the life-span is long is the most competitive green light source product of 21st century.Develop rapidly along with semiconductor technology; The trend of various traditional lighting light source products has appearred tentatively substituting in high-power LED illumination technology at present; Countries and regions such as America and Japan Korea Spro and Europe all in the state key development plan of having listed, research and develop targetedly.Street lighting is the second largest illumination market except that domestic lighting market; But the consumption of electric energy is maximum; So how the various advantages with great power LED apply to this field, thereby reduce use and maintenance cost, life-saving significantly, energy savings becomes very important problem.Semiconductor LED lighting engineering development is very fast since 2000, and the white light LEDs luminous efficiency has reached about 40-60lm/W at present, has had in some special lighting fields very widely to use.But aspect single high power, high brightness, also significantly do not break through; Needing very high street lamp field at luminous flux still is to adopt the lifting that the LED of lw or 3w is realized luminous flux through the mode of assembled arrangement basically; But thereupon aspect heat radiation, will bring very many problems, and adopt many heat dissipation technologys to have the means such as area of dissipation of air-cooled, water-cooled, increase shell to come distribute heat at present.Simultaneously because the light that a plurality of LED of employing as light-emitting component, adopt the light path of particular design that LED is sent usually is directed to the outside of lampshade.The desirable practical stage of distance also exists more or less problem to large power white light LED at aspects such as cost, heat radiation, light efficiency and drivings, as middle low power LED widely used small-power super brightness white light LEDs that remains in lighting.Usually for the transmission of the light peak efficiency of LED is come out,, simultaneously light path is derived the lamp chamber according to the geometric curved surfaces of given optical design reflective surface.Commercial illumination white light LEDs adopts built-in reflector and potting resin lens etc. to form optical system one time, makes its light output have fixing mode.Generally can be divided into plain edition (shell shape encapsulation shape) and subsidiary reflector type forms such as (Piranha series LEDs); The angle of light output is different and different according to the curvature of reflector angles and package lens; Mainly contain the branch of narrow beam and wide beam, can satisfy different illuminating light distribution needs.Except the design of integral body with make the curved surface of lampshade, producing various types of step plane like little minute surface at the lampshade face in addition derives light path, and this design is often use in the design of street lamp and automobile front.But from existing patent and relevant researching and analysing, present method for using tends to make that deviation appears in light path because lampshade itself is made and the limitation of use, thereby causes the LED lamp in a lot of needs are used with great visual angle, can't meet the demands.The present invention provides a kind of and changes the design of light path based on the DMD micro mirror, thereby dynamically changes light path, satisfies actual instructions for use.
Summary of the invention
The object of the invention to existing LED lamp output intensity can't self adaptation the problem of adjustment, design a kind of LED lamp that has micro lens that can regulate light intensity as required arbitrarily.
Technical scheme of the present invention is:
A kind of LED lamp that has micro lens; Comprise lampshade 2, LED lamp particle 1; LED lamp particle 1 is concentrated through sealing and is fixed in the lampshade 2, it is characterized in that on lampshade 2, being equipped with the micro mirror array of being made up of micro lens 3 that multiaspect is used to reflect the adjustable-angle of LED lamp particle issued light.
Described micro mirror array adopts flexible pcb board to be connected with the piezoelectricity hinge, is fixed with the light intensity test sensor array at the edge of light fixture.
According to the present invention; The realization of micro mirror can cover the reflective film of one deck at the inner surface of the lampshade of light fixture; On lampshade, offer simultaneously the technology pin-and-hole; The normal direction angle of the motion control micro mirror of reflective membrane in the pin end through being installed in the pin in the pin-and-hole changes the light path of the light of LED at reflective surface, improves the output light flux of LED.
According to the present invention, micro mirror array can be employed in coating reflector layer acquisition on the deformable surface.
According to the present invention, micro mirror array can be employed in the reflective surface of LED light fixture and coat specific coatings, and the emulation of process light path is carried out the reflective characteristic acquisition that etching perhaps changes ad-hoc location with the extraordinary figure that designs at coating surface.
According to the present invention, in the process that the LED light fixture is made, adopt the ad-hoc location processing micro mirror plane of free form surface moulding process at light fixture, change light path.
The invention has the beneficial effects as follows:
But the light path of the present invention's dynamic adjustments LED, thus reach the light path that needs, improve the performance indications of LED, expanded the application of LED lamp.
Project organization of the present invention is simple, makes easy for installation.
Description of drawings
The structural representation of Fig. 1 LED lamp of the present invention.
Among the figure:
1, LED lamp particle, 2, lampshade, 3,4,7,8, the DMD micro mirror, 5,6, light.
The specific embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in Figure 1.
A kind of implementation method of the present invention is following: in the process of LED Design of Luminaires, according to the arrangement mode of LED particle, design the light path of each single light source, emulation simultaneously is in the distribution of the light intensity of light fixture output face.At the inner surface of light fixture, the fixing micro mirror of one deck flexible PCB is installed, at the ad-hoc location install adjustment pin of lamp housing.Find light path and emulation not always when detection faces, the position of regulating micro mirror changes light path.Can know from Fig. 1; Light source 1 emits beam 5,6 through lampshade 2 reflections, and light penetrates lampshade.In the use of reality, iff leans on the lampshade reflection, and the regulating power of light weakens, so cover DMD device 3,4,7,8 at lampshade inner surface; Angle through regulating the DMD micro mirror can FEEDBACK CONTROL light fixture light 5,6 direction.This design is significant for big headlight of automobile and road lighting lantern.
Specifically, be exactly inner surface at the LED light fixture of having made according to optical design, one deck micro mirror array is installed, this micro mirror array adopts flexible pcb board to be connected with the piezoelectricity hinge.The fixing sensor array of certain light intensity test at the edge of light fixture; In the use of reality, according to the instructions for use of light fixture, through special purpose model and software; The angle and direction of the dynamic micro mirror of dynamic adjustments, thus will install and use the optical path change of the LED light fixture that causes to change.
A kind of simple realization method of the present invention is installing and using in the process in reality; Micro mirror array on the pcb board is corresponding one by one with the LED particle; Installed surface type or ring-like testing arrangement in adjustment process, install adjustment pin on the shell of light fixture is according to the installation physical dimension of reality and the result of test; Utilize the ideal path of optics software emulation light path, thereby regulate the actual delivering path of light path.
According to the present invention, micro mirror array can adopt flexible reflection aluminium flake at ad-hoc location sliding pin to be installed and realize.Utilize relevant software (for example ZMAX), according to the actual measured value of geometrical property, LED installation site characteristic and the luminous flux sensor of the arrangement of LED particle, light fitting reflecting cover, the light path of design LED particle in lampshade.The measured value of position deviation and luminous flux compared design load and measured value during the present invention can use according to reality, changed the transmission route of light path at designs fix point; Through the on-line measurement light flux values; The displacement and the rotational angle of control sliding pin, thereby the normal direction angle of the aluminium foil reflecting surface of change sliding pin position are because mirror angle changes; Thereby the light path of LED particle light dynamically changes, so the luminous flux of measuring is also along with change.
According to the present invention, micro mirror array can use in single LEDs light fixture, also can in the light fixture of plurality of LEDs particle, use.
According to the present invention, micro mirror array can be employed in coating reflector layer acquisition on the deformable surface.
According to the present invention, micro mirror array can be employed in the reflective surface of LED light fixture and coat specific coatings, and the emulation of process light path is carried out the reflective characteristic acquisition that etching perhaps changes ad-hoc location with the extraordinary figure that designs at coating surface.
According to the present invention, in the process that the LED light fixture is made, adopt the ad-hoc location processing micro mirror plane of free form surface moulding process at light fixture, change light path.
Claims (1)
1. LED light fixture based on the optical design of DMD micro mirror; Comprise lampshade (2), LED lamp particle (1); LED lamp particle (1) is fixed in the lampshade (2) through sealing; It is characterized in that on lampshade (2), being equipped with the micro mirror array of forming by micro mirror (3) that multiaspect is used for the adjustable-angle of light reflection, sliding pin is installed on the micro mirror; Described micro mirror array adopts flexible pcb board to be connected with the piezoelectricity hinge, is fixed with the light intensity test sensor array at the edge of light fixture; Described micro mirror array is employed in and is coated with the shoe reflector layer on the deformable surface; Through light path emulation; The reflective characteristic of carrying out etching or changing ad-hoc location at coating surface with the figure of design obtains or in the process that the LED light fixture is made; Adopt the desired location processing micro mirror plane of free form surface moulding process, change light path and obtain at light fixture; According to the arrangement of LED lamp particle, the geometrical property of light fitting reflecting cover, the installation site characteristic of LED lamp particle and the actual measured value of light intensity test sensor; Design LED lamp particle in lampshade light path and use according to reality in the measured value of position deviation and luminous flux; Compare design load and measured value; At the transmission route of designs fix point change light path, through the on-line measurement light flux values, the displacement and the rotational angle of control sliding pin; Thereby change the normal direction angle of the micro mirror minute surface of sliding pin position, realize the change of light path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100330871A CN101644386B (en) | 2009-06-11 | 2009-06-11 | LED light fitting based on DMD micro-lens optical design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100330871A CN101644386B (en) | 2009-06-11 | 2009-06-11 | LED light fitting based on DMD micro-lens optical design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101644386A CN101644386A (en) | 2010-02-10 |
| CN101644386B true CN101644386B (en) | 2012-06-27 |
Family
ID=41656382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100330871A Expired - Fee Related CN101644386B (en) | 2009-06-11 | 2009-06-11 | LED light fitting based on DMD micro-lens optical design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644386B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102713421A (en) * | 2009-11-18 | 2012-10-03 | 拉姆伯斯国际公司 | Internal collecting reflector optics for LEDs |
| CN104456414A (en) * | 2013-09-22 | 2015-03-25 | 鸿富锦精密工业（深圳）有限公司 | Lend |
| US9291340B2 (en) | 2013-10-23 | 2016-03-22 | Rambus Delaware Llc | Lighting assembly having n-fold rotational symmetry |
| CN111856745B (en) * | 2019-04-30 | 2023-03-17 | 上海微电子装备（集团）股份有限公司 | Light irradiation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405489A (en) * | 2001-09-19 | 2003-03-26 | 株式会社小糸制作所 | Vehicle lamp |
| CN2901741Y (en) * | 2006-01-25 | 2007-05-16 | 捷扬光电股份有限公司 | Projector and its optical sensing module |
-
2009
- 2009-06-11 CN CN2009100330871A patent/CN101644386B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405489A (en) * | 2001-09-19 | 2003-03-26 | 株式会社小糸制作所 | Vehicle lamp |
| CN2901741Y (en) * | 2006-01-25 | 2007-05-16 | 捷扬光电股份有限公司 | Projector and its optical sensing module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101644386A (en) | 2010-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8425090B2 (en) | Reflector cup and LED lamp comprising the same | |
| US20150036338A1 (en) | Lighting system having a multi-light source collimator and method of operating such | |
| JP6093365B2 (en) | Reflector, illuminator and use thereof | |
| CN101644386B (en) | LED light fitting based on DMD micro-lens optical design | |
| CN101660706B (en) | LED lens for realizing light beam control | |
| US20110096565A1 (en) | Light source apparatus | |
| EP3027963A1 (en) | Reflector for directed beam led illumination | |
| TW201128111A (en) | An electric lighting device | |
| CN201412775Y (en) | Optical-design LED lamp based on DMD micro mirror | |
| CN103851378A (en) | Light emitting diode lamp | |
| CN102980137A (en) | Total reflection optical structure and light-emitting diode lens using the same | |
| CN203940357U (en) | Collector lens group and light fixture | |
| CN207246980U (en) | A kind of specular removal anti-glare LED down lamp | |
| CN102563428B (en) | Light emitting diode (LED) full light angle bulb | |
| CN202580706U (en) | Large-angle illumination LED lamp | |
| CN107687597B (en) | Lighting device and manufacturing method thereof | |
| WO2009056000A1 (en) | Combined lens and light fixture using the same | |
| CN201606808U (en) | High-efficiency LED panel lamp | |
| CN210153728U (en) | Light control device and lighting system | |
| CN202902156U (en) | Total reflection optical structure and light-emitting diode (LED) lens with the total reflection optical structure | |
| CN1710725A (en) | Multi-light-path synthesized semiconductor light emitter | |
| CN202140920U (en) | Light-emitting diode (LED) street lamp | |
| CN220671794U (en) | Annular light source for visual inspection | |
| CN202032383U (en) | LED module for street lamp | |
| CN108844013A (en) | A kind of headlamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |