CN203240330U - Evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source - Google Patents
Evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source Download PDFInfo
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- CN203240330U CN203240330U CN 201320144068 CN201320144068U CN203240330U CN 203240330 U CN203240330 U CN 203240330U CN 201320144068 CN201320144068 CN 201320144068 CN 201320144068 U CN201320144068 U CN 201320144068U CN 203240330 U CN203240330 U CN 203240330U
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Abstract
The utility model discloses an evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source, which comprises a substrate, wherein a regular geometric zone is arranged on the substrate, the regular geometric zone is equally divided into evenly-divided-area zones which are isolated from one another, the evenly-divided-area zones are classified into a cold white light source zone and a warm white light source zone, an LED chip in the cold white light source zone is electrically connected with an external first controllable power supply unit, and an LED chip in the warm white light source zone is electrically connected with an external second controllable power supply unit. The single LED light sources form a zone combination form, the zones are uniformly and alternately distributed, the light emitting effect is uniform, and the color temperature of the overall light source is controlled to be continuously adjustable; the zones are closely arranged and basically have no partition, a lens is suitable for being arranged on the emergent surface of the light source to converge the light, and the application condition of a light source which is used as a film and television shoot light can be satisfied; the classification way of the zones are applicable to the wire distribution; and the light emitting power can reach dozens of watts and even hundreds of watts.
Description
Technical field
The utility model relates to monomer led light source product, is specially a kind of Dimmable LED integrated optical source.
Background technology
The colour temperature of tradition video display light all is single design, this is relevant with the light source luminescent principle, light source itself can only be sent out certain single colour temperature among the 2700K to 6400K according to when design light source principle of luminosity, and can not realize from low side (3000K) adjustable continuously to high-end (6000K).
LED three primary colours (RGB) mixed-color method realize continuously adjustable this function of colour temperature and color by some technological means, but this scheme efficient is lower, and drive circuit is also complicated, can not be used for movies-making.
Occurred at present utilizing two kinds of colour temperatures of height to realize the scheme that continuous colour temperature is adjustable, concrete mode is that two kinds of integral light sources that can send different height colour temperatures are integrated layout, then control the brightness size of these two kinds of integral light sources, thus the colour temperature height of control Integral luminous effect.The mode of this integral light source combination has larger interval between integral light source and integral light source, hot spot need to just can reach the uniform effect of nature after propagating at a distance, generally be only suitable in the lighting field that does not need optically focused.On the video display light fixture that needs optically focused to process, the color of light source non-uniform phenomenon is reflected in the effective light spot during optically focused, and this will cause color inequality or color distortion at video pictures, has a strong impact on the effect of movies-making.Therefore, the light fixture realized of this scheme and be not suitable for professional video display illumination and use.
Summary of the invention
For the problems referred to above, the utility model provides minute symmetrical expression Dimmable LED integrated optical sources such as a kind of simple in structure, colour temperature is can be continuously adjustable, the uniform area of color, and this integrated optical source monomer uses, and can reach powerful illuminating effect.
The utility model is that the technical scheme that its technical problem of solution adopts is:
Minute symmetrical expression Dimmable LED integrated optical source such as area, comprise substrate, it is characterized in that being provided with on the substrate regular geometric graphics field, the regular geometric graphics field is by 2N the subregion such as area that is divided into mutual isolation from the 2N of the outside scattering in center bar septal line and closely links to each other, N is not less than 3 natural number, 2N subregion such as area is divided into subregional cold white light source zones such as comprising N area and comprises the subregional warm white source region such as other N area, the subregions such as area that cold white light source zone and warm white source region comprise are alternative arrangement successively, even distributing installation has led chip in the subregions such as each area, be perfused with in the subregions such as area that cold white light source zone comprises and be covered on the led chip so that form the first fluorescent glue of cold white light source behind the led chip electrified light emitting, be perfused with in the subregions such as area that the warm white source region comprises and be covered on the led chip so that form second fluorescent glue in warm white source behind the led chip electrified light emitting, led chip in the cold white light source zone be located at the first outside controlled power supply unit electrical connection, the led chip in the warm white source region be located at the second outside controlled power supply unit electrical connection.
In the preferred scheme, described septal line is the projection surrounding edge that is positioned on the substrate, and the subregions such as area surround by the projection surrounding edge and form.
In the preferred scheme, the center of described regular geometric graphics field is provided with the section of leaving a blank, and is provided with the electrode that is connected for led chip in the section of leaving a blank.
In the preferred scheme, the regular geometric graphics field be shaped as circle, its divide the area etc. of gained subregional be shaped as fan-shaped.Identical and the led chip of the led chip quantity that install the subregions such as each area distributes with same arrangement mode.Led chip is distributed in the center of circle take the regular geometric graphics field on several concentric circles in the center of circle.The diameter of the subregions such as area on the regular geometric graphics field is symmetrical as symmetry axis, and the identical and led chip of the led chip quantity that two symmetrical sector regions are installed distributes with same arrangement mode.
The beneficial effects of the utility model are: the utility model is configured to the monomer led light source form of zone combination, evenly be alternately distributed between the zone, the light that sends during two groups of regional works can produce good immixture, illumination effect is even, can be so that the colour temperature of integrated light source is adjustable continuously by controlling the light intensity that sends in two groups of zones; Close-packed arrays and substantially do not have the interval between zone and the zone, particularly be basic linking to each other between the fluorescent glue surface as exiting surface, the hot spot that different zones is penetrated is very even after propagating extremely short distance, the exit surface that is adapted at light source arranges lens and carries out optically focused, satisfies the condition as the light source use of movies-making light; The dividing mode in this zone is fit to wiring; This integrated optical source luminous power can reach tens watts even more than the upper hectowatt.
Description of drawings
Be further detailed below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the utility model the second embodiment;
Fig. 3 is the structural representation of the third embodiment of the utility model.
The specific embodiment
Light source of the present utility model is integrated form, and namely it is the overall structure of monomer-type, uses as single source.The utility model is particularly suitable for the movies-making lighting apparatus and uses, and it also can be used as other special lamps uses certainly.Integrated optical source of the present utility model needs to cooperate two groups of controlled power supply units in use, be respectively the first controlled power supply unit and the second controlled power supply unit, can realize the continuously adjustable effect of colour temperature of this integrated optical source by the output of controlling two controlled power supply units.
Among the embodiment of Fig. 1, Dimmable LED integrated optical source comprises substrate 1, and regular geometric graphics field 2 is border circular areas.The shape of substrate 1 generally also is set to circular, and its size can be slightly larger than this border circular areas, conveniently at substrate 1 current electrode is set.The sector region that border circular areas is divided into mutual isolation and closely links to each other, the quantity of this fan-shaped local is 2N, in order to guarantee even effect, the quantity of this fan-shaped local should 6,8 or more than, be that N is not less than 3, in the embodiment in figure 1, border circular areas is divided for 12 identical sector regions.
Half of sector region is cold white light source zone 21, and second half then is warm white source region 22.The sector region that cold white light source zone 21 and warm white source region 22 comprise is alternative arrangement successively.Particularly, even distributing installation has led chip in each sector region, be perfused with in the sector region that cold white light source zone 21 comprises and be covered on the led chip so that form the first fluorescent glue of cold white light source (5500K-6500K) behind the led chip electrified light emitting, be perfused with in the circle ring area that warm white source region 22 comprises and be covered on the led chip so that form second fluorescent glue in warm white source (2700K-3200K) behind the led chip electrified light emitting.Led chips in the cold white light source zone 21 be located at the first outside controlled power supply unit electrical connection, the led chips in the warm white source region 22 be located at the second outside controlled power supply unit electrical connection.In Fig. 1, the sector region quantity that cold white light source zone 21 and warm white source region 22 comprise all is 6.
After can adopting different connected modes, led chip in the single sector region is connected with the controlled power supply unit of outside again, for example, the led chip in the same area links to each other with controlled power supply unit after can adopting the mode of serial or parallel connection or series-parallel connection (series connection after in parallel or in parallel after the series connection) to connect again.Fan-shaped distributed architecture of the present utility model can arrange easily and connect used electrode.As preferred mode, the center of border circular areas is provided with the circle section 3 of leaving a blank, and circle is left a blank and is provided with the electrode that is connected for led chip in the section 3.The electrode that circle is left a blank in the section 3 preferably is made as earth terminal, and another feeder ear electrode then generally is located at the circumferential position of sector region.
The division of sector region can utilize variety of way to realize, but in order to process better and to isolate, sector region preferably forms by the projection surrounding edge 4 division encirclements of being located on the substrate.This projection surrounding edge 4 generally comprises the part of being located between the zone, also preferably includes the part of being located at regional periphery.This surrounding edge 4 can be limited to fluorescent glue in the specific scope, greatly reduces the difficulty of perfusion.The width of surrounding edge 4 is extremely narrow, guarantees to combine closely between the zones of different, particularly so that substantially continuous between the fluorescent glue of zones of different, thereby reaches uniform light efficiency.During concrete the making, above-mentioned projection surrounding edge 4 generally is the later stage to be added to the structure on the substrate 1.
In addition, the led chip in each sector region distributes and need to be configured, and guarantees that cold light source and warm light source are symmetrical, guarantees that light efficiency is even.The configuration of led chip can realize in different ways, the led chip quantity in a fairly large number of situation of led chip in each zone and distribution mode is roughly the same gets final product.Therein among a kind of embodiment, the identical and led chip of the led chip quantity of installing in each sector region distributes with same arrangement mode.Particularly, led chip is distributed in the center of circle take border circular areas on several concentric circles in the center of circle.In another kind of preferred embodiment, the diameter of sector region on the border circular areas is symmetrical as symmetry axis, and the identical and led chip of the led chip quantity that two symmetrical sector regions are installed distributes with same arrangement mode.
Embodiment among Fig. 2 and Fig. 3 and the embodiment of Fig. 1 are similar, and the difference between them is that the overall structure of Fig. 2 and Fig. 3 is respectively ellipticity and rectangular-shaped.They also are divided into 2N the subregion such as area that area equates as required, and the led chip of same quantity preferably is installed in subregions such as each areas.
Embodiment of the present utility model is not restricted to the described embodiments, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (7)
1. minute symmetrical expression Dimmable LED integrated optical source such as area, comprise substrate, it is characterized in that being provided with on the substrate regular geometric graphics field, the regular geometric graphics field is by 2N the subregion such as area that is divided into mutual isolation from the 2N of the outside scattering in center bar septal line and closely links to each other, N is not less than 3 natural number, 2N subregion such as area is divided into subregional cold white light source zones such as comprising N area and comprises the subregional warm white source region such as other N area, the subregions such as area that cold white light source zone and warm white source region comprise are alternative arrangement successively, even distributing installation has led chip in the subregions such as each area, be perfused with in the subregions such as area that cold white light source zone comprises and be covered on the led chip so that form the first fluorescent glue of cold white light source behind the led chip electrified light emitting, be perfused with in the subregions such as area that the warm white source region comprises and be covered on the led chip so that form second fluorescent glue in warm white source behind the led chip electrified light emitting, led chip in the cold white light source zone be located at the first outside controlled power supply unit electrical connection, the led chip in the warm white source region be located at the second outside controlled power supply unit electrical connection.
2. minute symmetrical expression Dimmable LED integrated optical source such as area according to claim 1 is characterized in that described septal line is the projection surrounding edge that is positioned on the substrate, and the subregions such as area surround by the projection surrounding edge and form.
3. minute symmetrical expression Dimmable LED integrated optical source such as area according to claim 1 is characterized in that the center of described regular geometric graphics field is provided with the section of leaving a blank, and is provided with the electrode that is connected for led chip in the section of leaving a blank.
4. minute symmetrical expression Dimmable LED integrated optical source such as area according to claim 1 is characterized in that the circle that is shaped as of regular geometric graphics field, its divide the area etc. of gained subregional be shaped as fan-shaped.
5. minute symmetrical expression Dimmable LED integrated optical source such as area according to claim 4 is characterized in that the identical and led chip of the led chip quantity of installing the subregion such as each area distributes with same arrangement mode.
6. minute symmetrical expression Dimmable LED integrated optical source such as area according to claim 4 is characterized in that led chip is distributed in the center of circle take the regular geometric graphics field on several concentric circles in the center of circle.
7. minute symmetrical expression Dimmable LED integrated optical source such as area according to claim 4, it is characterized in that the diameter of the subregion such as area on the regular geometric graphics field is symmetrical as symmetry axis, the identical and led chip of the led chip quantity that two symmetrical sector regions are installed distributes with same arrangement mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144068 CN203240330U (en) | 2013-03-27 | 2013-03-27 | Evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144068 CN203240330U (en) | 2013-03-27 | 2013-03-27 | Evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source |
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| CN203240330U true CN203240330U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320144068 Expired - Fee Related CN203240330U (en) | 2013-03-27 | 2013-03-27 | Evenly-divided-area symmetric-type dimmable LED (light emitting diode) integrated light source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175011A (en) * | 2013-03-27 | 2013-06-26 | 珠海市集利发展有限公司 | Area equal division symmetric type dimming light-emitting diode (LED) integrated light source |
| CN104061465A (en) * | 2014-03-13 | 2014-09-24 | 广州市添鑫光电有限公司 | Efficient integrated LED light source |
-
2013
- 2013-03-27 CN CN 201320144068 patent/CN203240330U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175011A (en) * | 2013-03-27 | 2013-06-26 | 珠海市集利发展有限公司 | Area equal division symmetric type dimming light-emitting diode (LED) integrated light source |
| CN103175011B (en) * | 2013-03-27 | 2015-11-18 | 珠海市集利发展有限公司 | Point symmetrical expression Dimmable LED integrated optical source such as area |
| CN104061465A (en) * | 2014-03-13 | 2014-09-24 | 广州市添鑫光电有限公司 | Efficient integrated LED light source |
| CN104061465B (en) * | 2014-03-13 | 2017-01-11 | 广州市添鑫光电有限公司 | Efficient integrated LED light source |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20180327 |