CN208014735U - A kind of colour COB light source - Google Patents
A kind of colour COB light source Download PDFInfo
- Publication number
- CN208014735U CN208014735U CN201820435617.XU CN201820435617U CN208014735U CN 208014735 U CN208014735 U CN 208014735U CN 201820435617 U CN201820435617 U CN 201820435617U CN 208014735 U CN208014735 U CN 208014735U
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- Prior art keywords
- solder joint
- glory
- functional areas
- anode
- cathode
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Abstract
The utility model provides a kind of colored COB light source, which is characterized in that includes glory LED chip, pcb board (printed circuit board, Printed Circuit Board) and fluorescent powder；The glory LED chip includes blue-light LED chip；The pcb board is equipped with chip rest area and the areas groove Dian Fen, and the chip setting area and the areas groove Dian Fen are separated by separation band；The areas the groove Dian Fen are provided with the blue-light LED chip and point has the fluorescent powder, and the chip rest area is provided with the glory LED chip, and attached fluorescent powder is not put in the chip rest area.
Description
Technical field
The utility model discloses a kind of colored COB light source, is related to field of LED illumination.
Background technology
In the LED glory COB light sources of existing mainstream, realize that the common scheme of colourama is that white light is mixed with monochromatic light,
White light mostly uses the scheme of the directly fixed packaged discrete white light LEDs on substrate at present, and this structure is in finished product lamp
The tool application stage has that assembling procedure is complicated, and discrete white light LEDs lamp bead is encapsulated on substrate, white light LEDs
The holder of lamp bead itself occupies big quantity space, is unfavorable for the reasonable utilization of substrate space, and cost is excessively high.
Utility model content
The utility model is that the above-mentioned space utilization of solution is unreasonable, and the excessively high technical problem of cost proposes a kind of colour COB
Light source places blue-light LED chip simultaneously by isolating the areas groove Dian Fen in traditional die rest area in the areas the groove Dian Fen
The attached fluorescent powder of point, realizes white-light emitting；Glory LED chip is placed in the region of traditional die rest area, colourama is sent out, passes through
The two coordinates, and realizes the glory diversification of COB light source.
To realize above-mentioned technique effect, the utility model adopts the following technical solution：
A kind of colour COB (chip on board, Chip On Board, COB) light source, which is characterized in that include glory LED core
Piece, pcb board (printed circuit board, Printed Circuit Board) and fluorescent powder；
The glory LED chip includes blue-light LED chip；
The pcb board is equipped with chip rest area and the areas groove Dian Fen, and the areas groove Dian Fen are recessed in groove type
In the pcb board surface；The chip rest area and the areas groove Dian Fen is disposed adjacent, and is separated by separation band；The groove point
Powder area, which is equipped with the blue-light LED chip and puts, has the fluorescent powder, and the chip rest area is provided with the coloured silk
Attached fluorescent powder is not put in light LED chip, the chip rest area；
Solder joint functional areas, anode interface and cathode interface are additionally provided on the pcb board.The solder joint functional areas
Including positive solder joint functional areas and cathode solder joint functional areas, connect with the anode and negative conductive of the glory LED chip respectively；
The anode interface and cathode interface inside the pcb board respectively with the positive solder joint functional areas and cathode solder joint work(
Energy area is conductively connected, so that the colour COB light source can access external circuit.
More preferably, the solder joint functional areas are conductively connected with the glory LED chip by gold thread.
More preferably, it is additionally provided with box dam area on the pcb board, for preventing the fluorescent powder excessive.
More preferably, the blue-light LED chip at least described in one is provided in the areas groove Dian Fen.
More preferably, the chip rest area is provided with the glory LED chip at least described in one.
More preferably, the positive solder joint functional areas include white light anode solder joint functional areas and glory anode solder joint function
Area, the cathode solder joint functional areas include white light cathode solder joint functional areas and glory cathode solder joint functional areas；The white light
Positive solder joint functional areas and white light cathode solder joint functional areas respectively with the blue-ray LED core that is arranged in the areas the groove Dian Fen
The anode of piece is connected with negative conductive, the glory anode solder joint functional areas and glory cathode solder joint functional areas difference
It is connect with the positive and negative conductive for the glory LED chip being arranged in the chip rest area.
More preferably, the pcb board is red metal substrate P CB.
The utility model has the beneficial effects that：By the way that in the directly fixed blue-ray LED chip in the areas groove Dian Fen, it is attached to match chalaza
Fluorescent powder emits white light, and fixes colored monochromatic optical chip in traditional die rest area, diversification glory is realized in collocation；On the other hand,
Discrete white light LEDs lamp bead is not needed, holder is saved, more or bigger LED core can be placed in identical space
Piece, the spaces PCB are rationally utilized, and brightness is also improved.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the utility model schematic top plan view.
Fig. 2 is the utility model side elevational cross-section schematic diagram.
The case where Fig. 3 is the utility model setting multichannel more color LED chips.
Specific implementation mode
The embodiments of the present invention are described below in detail.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Embodiment one is referring to fig. 1 and fig. 2 the utility model schematic top plan view.A kind of colour shown in figure
COB light source includes glory LED chip 102, pcb board 701 and phosphor powder layer.The wherein described glory LED chip 102 includes blue light
Various colored monochromatic light LED chips including LED chip 101；The pcb board 701 is equipped with the areas groove Dian Fen 401, solder joint work(
It can area, positive and negative anodes interface and box dam area 501.The areas groove Dian Fen 401 and chip rest area 402 are arranged in the PCB
Plate central area, wherein the areas groove Dian Fen 401 are in groove type, it is interior to be equipped with the blue-light LED chip 101, and put attached
There is fluorescent powder so that phosphor powder layer is arranged, blue photostimulable phosphor layer jaundice coloured light after energization, blue light and yellow light are mixed into white light.Institute
The setting of chip rest area 402 stated is adjacent with the areas 401 the groove Dian Fen on the pcb board surface, is separated by separation band 403；
It is equipped with the glory LED chip 102 in the chip rest area 402, is not required to the attached fluorescent powder of main points.The solder joint function
Area is along the 402 periphery distribution of the areas groove Dian Fen 401 and chip rest area, including white light anode solder joint functional areas 201, white light
Cathode solder joint functional areas 202, glory anode solder joint functional areas 203 and glory cathode solder joint functional areas 204；Positive and negative anodes interface packet
Include white light anode interface 301, glory anode interface 302, white light cathode interface 303 and glory cathode interface 304.Described is white
Light anode solder joint functional areas 201 are connect with the white light anode interface 301 in 701 inner conductive of the pcb board, described
White light cathode solder joint functional areas 202 are connect with the white light cathode interface 303 in the pcb board inner conductive；Described
Glory anode solder joint functional areas 203 are connect with the glory anode interface 302 in the pcb board inner conductive, described
Glory cathode solder joint functional areas 204 are connect with the glory cathode interface 304 in the pcb board inner conductive.Described
White light anode solder joint functional areas 201 and the white light cathode solder joint functional areas 202 by gold thread 801 respectively with the blue light
The anode of LED chip 101, negative conductive connection；The glory anode solder joint functional areas 203 and the glory cathode solder joint
Functional areas 204 are connect with the anode of the glory LED chip 102, negative conductive respectively by gold thread 801.In the solder joint
Functional areas periphery is additionally provided with a corral dam area 501 for one week, and the box dam area 501 is surrounded by heat safe silica gel, glimmering to prevent
Light powder is excessive.Other regions of the pcb board outside the box dam area 501 are arranged to insulation layer 601, prevent electric leakage from touching
Electricity.
When specifically used, the circuit independent control of chip circuit and chip in chip rest area in the areas groove Dian Fen, mutually
It does not influence, the brightness of collocation white light and glory can be adjusted as needed.
Embodiment two, refering to what is shown in Fig. 3, as more optimal solution, it can be as needed, it is arranged in the chip rest area more
The monochromatic light LED chip of the more colors in road, corresponding solder joint functional areas and positive and negative anodes interface are needed according to branch quantity and Lighting control
Reasonable setting is asked, branch independent control is realized to each street lamp pearl to realize, obtains the glory effect of diversification.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation
The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example
Particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.At this
In specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description is specific
Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (8)
1. a kind of colour COB light source, which is characterized in that include glory LED chip, pcb board and phosphor powder layer；
The glory LED chip includes blue-light LED chip；
The pcb board is equipped with chip rest area and the areas groove Dian Fen, and the areas groove Dian Fen are recessed in institute in groove type
State pcb board surface；The chip rest area and the areas groove Dian Fen is disposed adjacent, and is separated by separation band；The areas the groove Dian Fen
Equipped with the blue-light LED chip and it is equipped with the phosphor powder layer, the chip rest area is provided with the glory LED
Chip；
Solder joint functional areas, anode interface and cathode interface are additionally provided on the pcb board, the solder joint functional areas include
Positive solder joint functional areas and cathode solder joint functional areas are connect with the anode and negative conductive of the glory LED chip respectively；Institute
State inside pcb board, the anode interface and cathode interface respectively with the positive solder joint functional areas and cathode solder joint function
Area is conductively connected, so that the colour COB light source can access external circuit.
2. a kind of colored COB light source according to claim 1, which is characterized in that the solder joint functional areas with it is described
Glory LED chip is conductively connected by gold thread.
3. a kind of colored COB light source according to claim 2, which is characterized in that box dam area is additionally provided on the pcb board,
Range for limiting the phosphor powder layer.
4. a kind of colored COB light source according to claim 3, which is characterized in that be provided in the areas groove Dian Fen
Blue-light LED chip at least described in one.
5. a kind of colored COB light source according to claim 4, which is characterized in that the chip rest area be provided with to
Glory LED chip described in one few.
6. a kind of colored COB light source according to claim 5, which is characterized in that the positive solder joint functional areas include
White light anode solder joint functional areas and glory anode solder joint functional areas, the cathode solder joint functional areas include white light cathode solder joint work(
It can area and glory cathode solder joint functional areas；The white light anode solder joint functional areas and white light cathode solder joint functional areas respectively with set
The anode for setting the blue-light LED chip in the areas the groove Dian Fen is connected with negative conductive, the glory anode solder joint
Functional areas and the glory cathode solder joint functional areas respectively with the glory LED core that is arranged in the chip rest area
The anode of piece is connected with negative conductive.
7. a kind of colored COB light source according to claim 6, which is characterized in that the anode interface include white light just
Pole interface and glory anode interface, the cathode interface include white light cathode interface and glory cathode interface；The white light
Anode interface is conductively connected inside the pcb board with the white light anode solder joint functional areas, and the white light cathode interface exists
It is conductively connected with the white light cathode solder joint functional areas inside the pcb board, the glory anode interface is in the pcb board
Portion is conductively connected with the glory anode solder joint functional areas, the glory cathode interface inside the pcb board with the coloured silk
Light cathode solder joint functional areas are conductively connected.
8. according to a kind of colored COB light source of claim 1-7 any one of them, which is characterized in that the pcb board is red metal
Substrate P CB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820435617.XU CN208014735U (en) | 2018-03-28 | 2018-03-28 | A kind of colour COB light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820435617.XU CN208014735U (en) | 2018-03-28 | 2018-03-28 | A kind of colour COB light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208014735U true CN208014735U (en) | 2018-10-26 |
Family
ID=63891127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820435617.XU Expired - Fee Related CN208014735U (en) | 2018-03-28 | 2018-03-28 | A kind of colour COB light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208014735U (en) |
-
2018
- 2018-03-28 CN CN201820435617.XU patent/CN208014735U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20210328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |