CN205177835U - Luminous even adjusted luminance COB light source - Google Patents
Luminous even adjusted luminance COB light source Download PDFInfo
- Publication number
- CN205177835U CN205177835U CN201520946322.5U CN201520946322U CN205177835U CN 205177835 U CN205177835 U CN 205177835U CN 201520946322 U CN201520946322 U CN 201520946322U CN 205177835 U CN205177835 U CN 205177835U
- Authority
- CN
- China
- Prior art keywords
- source region
- light source
- positive
- white
- warm white
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
Landscapes
- Led Device Packages (AREA)
Abstract
The utility model discloses a luminous even adjusted luminance COB light source, it includes the metal substrate, sets up the circuit that the bar on the metal substrate was sent out light zone and was surrounded a light zone, the bar send out light zone and be provided with the pleasantly warm white light source region in positive white light source region in turn, the bar send out in the light zone chip directly solid crystalline substance on the metal substrate, the pleasantly warm white light source region in positive white light source region around arrange the circuit respectively and just set up, the negative pole, the circuit passes through the insulating layer with the metal substrate and separates. The utility model discloses a light zone messenger chip layout is sent out in the alternative bar that sets up, the drive circuit design becomes simpler, and while independent setting's just white, warm white hair light zone has reduced the bonding wire and has put and glue the technology degree of difficulty, has improved the technology reliability, and the COB encapsulation mode of metal substrate effectively derives the heat of chip production, has improved product life.
Description
[technical field]
The utility model relates to the COB encapsulation field of LED, is specifically related to a kind of luminous uniform tunable optical COB light source.
[background technology]
Along with LED technology development, LED illumination light source product performance is significantly enhanced, thus has promoted the large-scale promotion application in LED product market.Because people have different demands to lighting source different opportunity: meet work illumination needs as sometimes needed high-high brightness, sometimes need to reduce light-source brightness easy-to-read, sometimes warm tones is needed to make people's excitement and manufacture warm environment, sometimes need cool tone people is cooled down and manufactures relaxation and happiness environment, the LED light source therefore with dimming function will become the new focus of produce market.Meanwhile, the light modulation of light source also saves the consumption of electric energy while meeting people's demand, to energy-saving and emission-reduction and even prevent global warming from having positive effect.
At present conventional LEDCOB integration packaging has that its heat dispersion is superior, low cost of manufacture, uniform light and the advantage such as application is convenient, adopt the design of COB integration packaging, blue-light LED chip, fluorescent material and red LED chips etc. are introduced by design on COB substrate, by changing drive current, also there is light source Drazin inverse function, but this kind of design bonding wire craft complexity easily causes bad.Therefore design independently light source region and carry out the integration packaging of changes in temperature light source region chip, not only be conducive to the design simplifying drive circuit, also be conducive to improving bonding wire gluing process reliability thus improve product, also can realize the function of the colour temperature by external circuit adjustment LED light source.
[summary of the invention]
The purpose of this utility model is to overcome the deficiencies in the prior art part, a kind of uniform COB light source of luminescence carrying out regulating the bright dipping adjustment of light source module by being arranged alternately the just white of bar shaped and warm white source region is provided, thus reduce bonding wire and gluing process difficulty, improve reliability of technology, meet the multiple demand of user to lighting source different opportunity.
The purpose of this utility model is achieved in that
A kind of luminous uniform tunable optical COB light source, it is characterized in that it circuit comprising metal substrate, bar shaped luminous zone is on metallic substrates set and surrounds luminous zone, described bar shaped luminous zone has been arranged alternately positive white light source region and warm white source region, in described bar shaped luminous zone, the direct die bond of chip is on metal substrate, cloth circuits arrange positive and negative electrode respectively around described positive white light source region and warm white source region, described circuit and metal substrate are separated by insulating barrier.
A kind of luminous uniform tunable optical COB light source as above, it is characterized in that: the positive pole in described positive white light source region is connected to positive pad by circuit, the negative pole in positive white light source region is connected to negative pad by circuit, the positive pole in described warm white source region is connected to positive pad by circuit, and the negative pole in described warm white source region is connected to negative pad by circuit.
A kind of luminous uniform tunable optical COB light source as above, is characterized in that: in described positive white light source region, die bond has blue chip, and after being connected to positive white light source region positive and negative electrode with bonding wire, is packaged with just white phosphor gel thereon; In described warm white source region, die bond has blue chip, and after being connected to warm white source region positive and negative electrode with bonding wire, is packaged with warm white phosphor gel thereon.
A kind of luminous uniform tunable optical COB light source as above, it is characterized in that in described positive white light source region, die bond has blue chip, and after being connected to positive white light source region positive and negative electrode with bonding wire, be packaged with just white phosphor gel thereon, in warm white source region, die bond has blue chip and red light chips, and after being connected to warm white source region positive and negative electrode with bonding wire, be packaged with warm white fluorescent material thereon.
A kind of luminous uniform tunable optical COB light source as above, it is characterized in that: the blue chip of described each positive white light source region bonding wire series connection equal number is connected to positive white light source region positive and negative electrode, the blue chip of described each warm white source region bonding wire series connection equal number is connected to warm white source region positive and negative electrode.
A kind of luminous uniform tunable optical COB light source as above, is characterized in that: described positive white light source region can 1 to 4 group series connection in parallel blue chip group, described warm white source region can 1 to 4 group series connection in parallel blue chip group.
A kind of luminous uniform tunable optical COB light source as above, it is characterized in that: the blue chip of described each positive white light source region bonding wire series connection equal number is connected to positive white light source region positive and negative electrode, and the red light chips that the blue chip that described each warm white source region bonding wire serial number is identical is identical with quantity is connected to warm white source region positive and negative electrode.
A kind of luminous uniform tunable optical COB light source as above, is characterized in that: described positive white light source region can 1 to 4 group series connection in parallel blue chip group, described warm white source region can 1 to 4 group series connection in parallel blue chip and red light chips group.
A kind of luminous uniform tunable optical COB light source as above, is characterized in that: in described bar shaped luminous zone chip die bond metal substrate on be provided with high reflective silver coating.
The beneficial effects of the utility model: the utility model adopts the bar shaped luminous zone be arranged alternately to make the designs of chip layout, drive circuit become simpler, independent just white, the warm white luminous zone arranged reduces bonding wire and gluing process difficulty simultaneously, improve reliability of technology, the COB packaged type of metal substrate effectively derives the heat of chip generation, improves life of product.
[accompanying drawing explanation]
Fig. 1 is the vertical view of the utility model embodiment 1;
Fig. 2 is the profile of the utility model embodiment 1;
Fig. 3 is the vertical view of the utility model embodiment 2;
Fig. 4 is the profile of the utility model embodiment 2.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment 1:
As shown in Figure 1, 2, a kind of luminous uniform tunable optical COB light source, comprise metal substrate 1, bar shaped luminous zone 2 is on metallic substrates set and surrounds the circuit 3 of luminous zone, bar shaped luminous zone 2 comprises the positive white light source region 4 and warm white source region 5 that are arranged alternately, the direct die bond of chip in bar shaped luminous zone 2 is on metal substrate 1, cloth circuits arrange positive and negative electrode respectively around positive white light source region and warm white source region, circuit 3 and metal substrate 1 are separated by insulating barrier 6.
The positive pole in positive white light source region and warm white source region is connected to positive pad 7 by circuit, and the negative pole in positive white light source region 4 is connected to negative pad 8 by circuit, and the negative pole in warm white source region 5 is connected to negative pad 9 by circuit.
Encapsulate by just white phosphor gel after in positive white light source region 4, die bond blue chip 10 is connected to positive white light source region 4 positive and negative electrode with bonding wire, with warming up the encapsulation of white phosphor gel after in warm white source region 5, die bond blue chip 10 is connected to warm white source region 5 positive and negative electrode with bonding wire.
Each positive white light source region bonding wire is connected the blue chip of 3, and each warm white source region bonding wire is connected 3 blue chips.Positive white light source region be connected to 1 group series connection blue chip group, warm white source region be connected to 1 group series connection blue chip group.
In bar shaped luminous zone chip die bond metal substrate on high reflective silver coating is set.
Embodiment 2:
As shown in Figure 3,4, a kind of luminous uniform tunable optical COB light source, comprise metal substrate 1, bar shaped luminous zone 2 is on metallic substrates set and surrounds the circuit 3 of luminous zone, bar shaped luminous zone 2 comprises the positive white light source region 4 and warm white source region 5 that are arranged alternately, the direct die bond of chip in bar shaped luminous zone 2 is on metal substrate 1, cloth circuits arrange positive and negative electrode respectively around just white and warm white source region, circuit 3 and metal substrate 1 are separated by insulating barrier 6.
The positive pole in positive white light source region and warm white source region is connected to positive pad 7 by circuit, the negative pole in positive white light source region 4 is connected to negative pad 8 by circuit, the negative pole in warm white source region 5 is connected to negative pad 9 by circuit, encapsulates after in positive white light source region 4, die bond blue chip 10 is connected to positive white light source region 4 positive and negative electrode with bonding wire by just white phosphor gel.
Encapsulate by warm white phosphor gel after in warm white source region 5, die bond blue chip 10 and red light chips 11 are connected to warm white source region 5 positive and negative electrode with bonding wire.
Each positive white light source region bonding wire is connected the blue chip of 3, and each warm white source region bonding wire is connected 2 blue chips and 1 red light chips.Positive white light source region be connected to 1 group series connection blue chip group, warm white source region be connected to 1 group series connection blue chip group.
In bar shaped luminous zone chip die bond metal substrate on high reflective silver coating is set.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (9)
1. the uniform tunable optical COB light source of luminescence, it is characterized in that it comprises metal substrate (1), be arranged on the bar shaped luminous zone (2) on metal substrate (1) and surround the circuit (3) of luminous zone, described bar shaped luminous zone (2) has been arranged alternately positive white light source region (4) and warm white source region (5), in described bar shaped luminous zone, the direct die bond of chip is on metal substrate (1), described positive white light source region (4) and warm white source region (5) cloth circuits just arrange respectively around, negative pole, described circuit (3) and metal substrate (1) are separated by insulating barrier (6).
2. according to a kind of luminous uniform tunable optical COB light source according to claim 1, it is characterized in that: the positive pole of described positive white light source region (4) is connected to positive pad (7) by circuit, the negative pole of positive white light source region (4) is connected to negative pad (8) by circuit, the positive pole in described warm white source region (5) is connected to positive pad (7) by circuit, and the negative pole in described warm white source region is connected to negative pad (9) by circuit.
3. according to a kind of luminous uniform tunable optical COB light source according to claim 1, it is characterized in that: the described interior die bond of positive white light source region (4) has blue chip (10), and after being connected to positive white light source region positive and negative electrode with bonding wire, be packaged with just white phosphor gel thereon; Described warm white source region (5) interior die bond has blue chip (10), and after being connected to warm white source region positive and negative electrode with bonding wire, is packaged with warm white phosphor gel thereon.
4. according to a kind of luminous uniform tunable optical COB light source according to claim 1, it is characterized in that the described interior die bond of positive white light source region (4) has blue chip (10), and after being connected to positive white light source region positive and negative electrode with bonding wire, be packaged with just white phosphor gel thereon, warm white source region (5) interior die bond has blue chip (10) and red light chips (11), and after being connected to warm white source region (5) positive and negative electrode with bonding wire, be packaged with warm white fluorescent material thereon.
5. according to a kind of luminous uniform tunable optical COB light source according to claim 3, it is characterized in that: the blue chip of described each positive white light source region bonding wire series connection equal number is connected to positive white light source region positive and negative electrode, the blue chip of described each warm white source region bonding wire series connection equal number is connected to warm white source region positive and negative electrode.
6., according to a kind of luminous uniform tunable optical COB light source according to claim 5, it is characterized in that: described positive white light source region can 1 to 4 group series connection in parallel blue chip group, described warm white source region can 1 to 4 group series connection in parallel blue chip group.
7. according to a kind of luminous uniform tunable optical COB light source according to claim 4, it is characterized in that: the blue chip of described each positive white light source region bonding wire series connection equal number is connected to positive white light source region positive and negative electrode, and the red light chips that the blue chip that described each warm white source region bonding wire serial number is identical is identical with quantity is connected to warm white source region positive and negative electrode.
8. according to a kind of luminous uniform tunable optical COB light source according to claim 7, it is characterized in that: described positive white light source region can 1 to 4 group series connection in parallel blue chip group, described warm white source region can 1 to 4 group series connection in parallel blue chip and red light chips group.
9., according to the luminous uniform tunable optical COB light source of the one described in claim 1 or 2 or 3, it is characterized in that: in described bar shaped luminous zone chip die bond metal substrate on be provided with high reflective silver coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946322.5U CN205177835U (en) | 2015-11-24 | 2015-11-24 | Luminous even adjusted luminance COB light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946322.5U CN205177835U (en) | 2015-11-24 | 2015-11-24 | Luminous even adjusted luminance COB light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177835U true CN205177835U (en) | 2016-04-20 |
Family
ID=55741785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520946322.5U Active CN205177835U (en) | 2015-11-24 | 2015-11-24 | Luminous even adjusted luminance COB light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222858A (en) * | 2018-11-19 | 2019-01-18 | 苏州新光维医疗科技有限公司 | Endoscope structure with various light sources |
| CN110047824A (en) * | 2019-04-04 | 2019-07-23 | 深圳市立洋光电子股份有限公司 | Double-colored temperature COB light source and its manufacturing method |
-
2015
- 2015-11-24 CN CN201520946322.5U patent/CN205177835U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222858A (en) * | 2018-11-19 | 2019-01-18 | 苏州新光维医疗科技有限公司 | Endoscope structure with various light sources |
| CN110047824A (en) * | 2019-04-04 | 2019-07-23 | 深圳市立洋光电子股份有限公司 | Double-colored temperature COB light source and its manufacturing method |
| CN110047824B (en) * | 2019-04-04 | 2021-07-16 | 深圳市立洋光电子股份有限公司 | Dual-color-temperature COB light source and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105870303B (en) | Full-spectrum LED light source | |
| CN101592291A (en) | LED lamp preparation method that a kind of colour temperature is adjustable and LED lamp | |
| CN202598208U (en) | White light light-emitting diode (LED) with adjustable color-temperature and color-rendering index | |
| CN201925773U (en) | LED (light-emitting diode) light source module with adjustable color temperature and color rendering index (CRI) | |
| CN108615726A (en) | A kind of lamp bead of built-in IC | |
| CN107464803A (en) | It is a kind of based on wafer-level package can be from the LED filament preparation method of color-temperature regulating | |
| CN107369677A (en) | Three-primary color LED device of a kind of integration packaging and preparation method thereof and purposes | |
| CN204130580U (en) | A kind of COB light source with high color rendering index (CRI) and adjustable color function | |
| CN205177835U (en) | Luminous even adjusted luminance COB light source | |
| WO2021068538A1 (en) | Three-color led lamp bead, and led street lamp using same | |
| CN204088313U (en) | A kind of strip omnidirectional luminous LED lamp silk | |
| CN202855798U (en) | Dimmable COB package structure | |
| CN201547559U (en) | High-power LED lamp | |
| CN208011331U (en) | A kind of LED lamp bead and LED light source | |
| CN203963678U (en) | LED light modulation Down lamp | |
| CN207921779U (en) | Light emitting diode filament module | |
| CN208368502U (en) | A kind of lamp bead of built-in IC | |
| CN205960029U (en) | COB light source and collection moulding piece and lamps and lanterns | |
| CN205960027U (en) | COB light source and collection moulding piece and lamps and lanterns | |
| CN209912869U (en) | Multi-section color temperature adjustable white light LED lamp structure based on full spectrum | |
| CN212785947U (en) | Multi-chip integrated LED light source module capable of adjusting color temperature and brightness | |
| CN204756527U (en) | LED bulb | |
| CN201521811U (en) | LED lamp with adjustable color temperature | |
| CN210778584U (en) | Full-color LED packaging device with light emitting from side surface | |
| CN202917539U (en) | LED phosphor remote lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528400 Tongyi Industrial Park, Guzhen Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Guangsheng Semiconductor Technology Co., Ltd. Address before: 528400 Tongyi Industrial Park, Guzhen, Zhongshan City, Guangdong Province, 2nd Building, 2nd-3rd Floor, Qifang Industrial Park, Pinghe Road Patentee before: Zhongshan City Guangsheng Semiconductor Science & Technology Co., Ltd. |