CN203240329U - Annular-distribution-based integrated dimmable LED (light-emitting diode) light source - Google Patents
Annular-distribution-based integrated dimmable LED (light-emitting diode) light source Download PDFInfo
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- CN203240329U CN203240329U CN 201320144002 CN201320144002U CN203240329U CN 203240329 U CN203240329 U CN 203240329U CN 201320144002 CN201320144002 CN 201320144002 CN 201320144002 U CN201320144002 U CN 201320144002U CN 203240329 U CN203240329 U CN 203240329U
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Abstract
The utility model discloses an annular-distribution-based integrated dimmable LED (light-emitting diode) light source, which comprises a substrate. A regular geometric figure area is arranged on the substrate, and is divided into concentric annular areas. The annular areas in a cold white light source area and a warm white light source area are sequentially and alternately arranged from inside to outside. LED chips in the cold white light source areas are electrically connected with a first external controllable power supply unit, and LED chips in the warm white light source areas are electrically connected with a second external controllable power supply unit. According to the annular-distribution-based integrated dimmable LED light source, a single LED light source is structured into an area combination form, and the areas are uniformly and alternately distributed, so that a uniform light-emitting effect is achieved, and the color temperature of the whole light source can be continuously adjusted under control; the areas are closely arranged substantially without intervals, and a lens for condensation is suitable to be arranged on the light-emitting surface of the light source, so that the light source can be used as a light source for movie and television photography; a division mode is suitable for wiring; and the luminous power can reach dozens of watts and even over 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 that a kind of simple in structure, colour temperature is can be continuously adjustable, based on the Dimmable LED integrated optical source of annular spread, this integrated optical source monomer uses color, can reach powerful illuminating effect uniformly.
The utility model is that the technical scheme that its technical problem of solution adopts is:
Dimmable LED integrated optical source based on annular spread, comprise substrate, be provided with the regular geometric graphics field on the substrate, 2N the annular section that the regular geometric graphics field is divided into from inside to outside mutual isolation and closely links to each other, N is not less than 2 natural number, 2N annular section is divided into the cold white light source zone that comprises N annular section and the warm white source region that comprises other N annular section, the annular section that cold white light source zone and warm white source region comprise is alternative arrangement successively from inside to outside, even distributing installation has led chip in each annular section, be perfused with in the annular section 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 annular section 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, annular section forms by the projection surrounding edge division encirclement of being located on the substrate.
In the preferred scheme, annular section is divided into N group symmetrical region from inside to outside successively, every group of symmetrical region is comprised of an annular section that belongs to cold white light source zone and an annular section belonging to the warm white source region, and the led chip quantity of installing in two annular sections that every group of symmetrical region comprises is identical.
In the preferred scheme, the led chip quantity that the led chip quantity of installing than the symmetrical region in the outside on the regular geometric graphics field is installed more than inboard symmetrical region.
In the preferred scheme, the led chip quantity of installing in the annular section increases progressively from inside to outside successively.
In the preferred scheme, the center of 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, be positioned at inner annular section and be provided with the electrode path that the annular section that passes its outside extends to edge, regular geometric graphics field.
The beneficial effects of the utility model are: the utility model is configured to the monomer led light source form of annular section combination, alternately fit distribution between the annular section, 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 of this annular section 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.
With reference to the embodiment of Fig. 1, Dimmable LED integrated optical source of the present utility model comprises substrate 1 and is arranged on regular geometric graphics field on the substrate 1.Regular geometric graphics field in the present embodiment is circular, and the shape of substrate 1 also is set to circular, and its size can be slightly larger than border circular areas, conveniently at substrate 1 current electrode is set.The annular section that the regular geometric graphics field is divided into from inside to outside mutual isolation and closely links to each other, in the present embodiment, the regular geometric graphics field is divided into concentric circle ring area.The quantity of circle ring area is 2N, in order to guarantee even effect, the quantity of this circle ring area should 4,6 or more than, and N is not less than 2.In the embodiment in figure 1, the quantity of circle ring area is 4.
The regular geometric figure of embodiment is oval among Fig. 2, and embodiment then is rectangle among Fig. 3, and they all are divided into corresponding 2N group annular section according to the shape in zone.
Half of annular section is cold white light source zone 21, and second half then is warm white source region 22.The annular section that cold white light source zone 21 and warm white source region 22 comprise is alternative arrangement successively from inside to outside.Particularly, even distributing installation has led chip in each annular section, be perfused with in the annular section 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 annular section 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-Fig. 3, the annular section quantity that cold white light source zone 21 and warm white source region 22 comprise all is 2.
After can adopting different connected modes, led chip in the single annular section 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.Annular distribution structure of the present utility model can arrange easily and connect used electrode.As preferred mode, the center of annular section is provided with the section of leaving a blank 3, is provided with the electrode that is connected for led chip in the annular section of innermost layer in the section 3 of leaving a blank.In addition, for so that inner annular section also can be connected with the electrode of outside, these zones preferably are provided with the electrode path 4 that the annular section that passes outside it extends to edge, regular geometric graphics field.Led chip in the outermost annular section can be directly at the arranged outside connecting electrode.
The division of annular section can utilize variety of way to realize, but in order to process better and to isolate, annular section preferably forms by the projection surrounding edge 5 division encirclements of being located on the substrate.This surrounding edge 5 can be limited to fluorescent glue in the specific scope, greatly reduces the difficulty of perfusion.The width of surrounding edge 5 is extremely narrow, guarantees to combine closely between the zones of different, particularly so that substantially continuous between the different fluorescent glues, thereby reaches uniform light efficiency.When 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 annular section distributes and need to be configured, and guarantees that cold light source and warm light source are symmetrical, guarantees that light efficiency is even.
Consider the characteristics that annular section distributes, preferred scheme is, annular section is divided into N group symmetrical region from inside to outside successively, every group of symmetrical region is comprised of an annular section that belongs to cold white light source zone and an annular section belonging to the warm white source region, and the led chip quantity of installing in two annular sections that every group of symmetrical region comprises is identical.The led chip quantity that the led chip quantity of further preferably, installing than the symmetrical region in the outside on the regular geometric graphics field is installed more than inboard symmetrical region.Such scheme can be so that the Integral luminous effect of light source be substantially even.
The another kind of preferred version that led chip distributes is that the led chip quantity of installing in the annular section increases progressively from inside to outside successively.
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. based on the Dimmable LED integrated optical source of annular spread, comprise substrate, it is characterized in that being provided with on the substrate regular geometric graphics field, 2N the annular section that the regular geometric graphics field is divided into from inside to outside mutual isolation and closely links to each other, N is not less than 2 natural number, 2N annular section is divided into the cold white light source zone that comprises N annular section and the warm white source region that comprises other N annular section, the annular section that cold white light source zone and warm white source region comprise is alternative arrangement successively from inside to outside, even distributing installation has led chip in each annular section, be perfused with in the annular section 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 annular section 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. the Dimmable LED integrated optical source based on annular spread according to claim 1 is characterized in that annular section forms by the projection surrounding edge division encirclement of being located on the substrate.
3. the Dimmable LED integrated optical source based on annular spread according to claim 1, it is characterized in that annular section is divided into N group symmetrical region from inside to outside successively, every group of symmetrical region is comprised of an annular section that belongs to cold white light source zone and an annular section belonging to the warm white source region, and the led chip quantity of installing in two annular sections that every group of symmetrical region comprises is identical.
4. the Dimmable LED integrated optical source based on annular spread according to claim 3, the led chip quantity that the led chip quantity that it is characterized in that installing than the symmetrical region in the outside on the regular geometric graphics field is installed more than inboard symmetrical region.
5. the Dimmable LED integrated optical source based on annular spread according to claim 1 is characterized in that the led chip quantity of installing in the annular section increases progressively from inside to outside successively.
6. the Dimmable LED integrated optical source based on annular spread according to claim 1 is characterized in that the center of 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.
7. the Dimmable LED integrated optical source based on annular spread according to claim 1 is characterized in that being positioned at inner annular section and is provided with the electrode path that the annular section that passes its outside extends to edge, regular geometric graphics field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144002 CN203240329U (en) | 2013-03-27 | 2013-03-27 | Annular-distribution-based integrated dimmable LED (light-emitting diode) light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144002 CN203240329U (en) | 2013-03-27 | 2013-03-27 | Annular-distribution-based integrated dimmable LED (light-emitting diode) light source |
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| Publication Number | Publication Date |
|---|---|
| CN203240329U true CN203240329U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320144002 Withdrawn - After Issue CN203240329U (en) | 2013-03-27 | 2013-03-27 | Annular-distribution-based integrated dimmable LED (light-emitting diode) light source |
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| CN (1) | CN203240329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175010A (en) * | 2013-03-27 | 2013-06-26 | 珠海市集利发展有限公司 | Dimmable light emitting diode (LED) integrated optical source based on annular distribution |
| CN107620906A (en) * | 2017-10-30 | 2018-01-23 | 苏州尤伦斯照明科技有限公司 | Ceiling lamp with warm light effect |
-
2013
- 2013-03-27 CN CN 201320144002 patent/CN203240329U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175010A (en) * | 2013-03-27 | 2013-06-26 | 珠海市集利发展有限公司 | Dimmable light emitting diode (LED) integrated optical source based on annular distribution |
| CN103175010B (en) * | 2013-03-27 | 2015-11-18 | 珠海市集利发展有限公司 | Based on the Dimmable LED integrated optical source of annular spread |
| CN107620906A (en) * | 2017-10-30 | 2018-01-23 | 苏州尤伦斯照明科技有限公司 | Ceiling lamp with warm light effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |