CN202275828U - Color temperature adjustable white LED integrated packaging structure - Google Patents
Color temperature adjustable white LED integrated packaging structure Download PDFInfo
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- CN202275828U CN202275828U CN2011203833201U CN201120383320U CN202275828U CN 202275828 U CN202275828 U CN 202275828U CN 2011203833201 U CN2011203833201 U CN 2011203833201U CN 201120383320 U CN201120383320 U CN 201120383320U CN 202275828 U CN202275828 U CN 202275828U
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- led chip
- color temperature
- chip assembly
- colour temperature
- encapsulation region
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Abstract
The utility model discloses a color temperature adjustable white LED integrated packaging structure, comprising a substrate, an LED chip assembly formed on the substrate, and a fluorescent powder coating layer coated on the LED chip assembly, wherein the LED chip assembly comprises a first LED chip assembly arranged at the center of the LED chip assembly and a second LED chip assembly annularly arranged around the first LED chip assembly, the first LED chip assembly is coated with a first fluorescent powder coating layer to form a first packaging zone, the second LED chip assembly is coated with a second fluorescent powder coating layer to form a second packaging zone, the color temperature of the first packaging zone is higher than that of the second packaging zone, and the first and second packaging zones are provided with independent positive and negative pole conductive zones respectively. The color temperature adjustable white LED integrated packaging structure enables the color temperature to be continuously adjustable from low color temperature to high color temperature, is adjustable in light intensity, comfortable in illumination, is energy saving and environmental protection, is flexible in application, employs a planar integrated packaging structure, is small in light source size, soft and uniform in light emission, and easy in low-cost large-scale manufacture.
Description
[technical field]
The present invention relates to a kind of LED encapsulating structure, refer in particular to a kind of white light LEDs integrated encapsulation structure of adjustable color temperature.
[background technology]
The traditional lighting light source is main with incandescent lamp and gaseous discharge lamp mainly.Incandescent lamp comprises Halogen lamp LED, and luminous promptly, warm light is main, and is comparatively comfortable during illumination with low colour temperature, changes the scalable luminous intensity through electric current, but low because of its luminous efficiency, power consumption is bigger, will progressively be eliminated.Gaseous discharge lamp comprises that the luminous efficiency of fluorescent lamp, sodium vapor lamp, mercury lamp etc. is higher, drives because of when luminous, needing high pressure and high-frequency electric field, and luminous intensity is difficult for regulating, and can cause environmental pollution because of mercurous noxious substance simultaneously, and its application also can be restricted.The colour temperature of fluorescent lamp can be regulated the light source that can obtain different-colour through the proportioning of fluorescent material.In case the characteristics of these conventional light source structures be the light source manufacturing well, its colour temperature is then fixed, colour temperature that can't the dynamic adjustments light source when luminous.
Along with improving constantly of semiconductor light-emitting-diode LED luminous efficiency and power, LED uses and has entered into lighting field from the demonstration field.Application at lighting field is then taken as the leading factor with white-light illuminating.The method that LED produces white light mainly contains three types: 1, adopt RGB RGB three-color LED chip light emitting mixed light to obtain white light; 2, adopt blue-light LED chip to apply gold-tinted or red-green glow fluorescent material, fluorescent material is excited and obtains white light with part blue light mixed light; 3, adopt the ultraviolet leds chip to apply white light RGB fluorescent material, fluorescent material is obtained white light by ultraviolet excitation.Wherein first method can obtain the light source of different colours or colour temperature through the light intensity of controlling the RGB chip respectively; Because of adopting at least three kinds of (RGB) chips, a kind of white light source comes mixed light; Cost is higher, and this type light source is only limited to the special lighting field and uses except that showing the field extensive use.And the third method is lower and cost is higher because of ultraviolet LED chip light emitting efficient at present, and technology is very ripe, remains to be further developed.Second method is because of blue-light LED chip and light-emitting phosphor efficient is higher and cost is lower, has developed into the major technique that white LED light source is made.In the manufacturing of this type of white light source, the colour temperature of light source is mainly by the decision of the characteristic of fluorescent material, and the colour temperature of the composition scalable white light source through changing fluorescent material promptly changes to high colour temperature from low colour temperature.In practical devices is made, the corresponding one type of light source of a kind of fluorescent material, the colour temperature of promptly packaged good light source is fixed, can't be when illumination the variation of dynamic adjustments light source color temperature.
[utility model content]
The utility model nonadjustable technological deficiency of led light source colour temperature in the prior art provides the white light LEDs integrated encapsulation structure of adjustable color temperature.
In order to reach above-mentioned technical purpose; The technological means that the utility model is taked is a kind of white light LEDs integrated encapsulation structure of adjustable color temperature; Comprise substrate, be formed at the led chip group on the substrate and be coated in the fluorescent coating on the led chip group; It is characterized in that: said led chip group comprises that first led chip group of middle section and ring are located at the first led chip group, the second led chip group on every side; Be coated with first fluorescent coating on the said first led chip group and form first encapsulation region; Be coated with second fluorescent coating on the said second led chip group and form second encapsulation region, the colour temperature of said first encapsulation region is higher than the colour temperature of second encapsulation region, and said first encapsulation region and second encapsulation region are formed with independently anode and cathode conductive district respectively.
Preferably, the colour temperature of said first encapsulation region is between 4800K～7000K, and the colour temperature of said second encapsulation region is between 2600K～3500K.
Preferably, the colour temperature of said first encapsulation region is between 5000K～6500K, and the colour temperature of said second encapsulation region is between 2800K～3000K.
Preferably, the colour temperature of said first encapsulation region is 6500K, and the colour temperature of said second encapsulation region is 2800K.
Preferably, the colour temperature of said first encapsulation region is 5500K, and the colour temperature of said second encapsulation region is 3000K.
Preferably, also be provided with the layer of transparent protective layer on said first fluorescent coating and second fluorescent coating.
The utility model is compared with prior art, and colour temperature can be adjustable continuously to high reference color temperature from low colour temperature, and light intensity is adjustable, comfortable, the energy-conserving and environment-protective of throwing light on, applying flexible; The utility model adopts the structure of the integrated encapsulation in plane to make that the light source volume is little simultaneously, and is luminous evenly soft, and is easy to the low-coat scale manufacturing.
[description of drawings]
Shown in Figure 1 is the solid crystal structure sketch map of the utility model;
Shown in Figure 2 is the Facad structure sketch map of the utility model;
Fig. 3 is the structural representation of A-A section shown in Figure 2.
[embodiment]
For further detailed elaboration technical scheme of the present invention, be elaborated below in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2, shown in Figure 3; The utility model discloses a kind of white light LEDs integrated encapsulation structure of adjustable color temperature; Comprise substrate 1, be formed at the led chip group on the substrate 1 and be coated in the fluorescent coating on the led chip group; Said led chip group comprises that first led chip group 2 of middle section and ring are located at the first led chip group 2, the second led chip group 3 on every side; Be coated with first fluorescent coating 20 on the said first led chip group 2 and form first encapsulation region 6; Be coated with second fluorescent coating 30 on the said second led chip group 3 and form second encapsulation region 7, the colour temperature of said first encapsulation region 6 is higher than the colour temperature of second encapsulation region 7, and said first encapsulation region 6 and second encapsulation region 7 are formed with independently anode and cathode conductive district 6a, 6b and 7a, 7b respectively.
The colour temperature of first encapsulation region 6 of the utility model is between 4800K～7000K, and the colour temperature of second encapsulation region 7 is between 2600K～3500K; The colour temperature that also can select first encapsulation region 6 is between 5000K～6500K, and the colour temperature of second encapsulation region 7 is between 2800K～3000K; The colour temperature of preferred said first encapsulation region 6 is 6500K, and the colour temperature of said second encapsulation region 7 is 2800K, and perhaps the colour temperature of first encapsulation region 6 is 5500K, and the colour temperature of said second encapsulation region 7 is 3000K.
In order to protect fluorescent coating not receive extraneous damage, corrosion, also be provided with layer of transparent protective layer 8 on said first fluorescent coating 20 of the utility model and second fluorescent coating 30.
The utility model is optionally opened the light source of high color temperature regions; Also can only open the light source of low color temperature regions; Perhaps the both is opened; Adjust the light and shade proportioning of high color temperature regions and low color temperature regions more according to actual needs,, realize the adjustable integrated form package module of colour temperature with the color temperature value that obtains expecting.
The utility model is compared with prior art, and colour temperature can be adjustable continuously to high reference color temperature from low colour temperature, and light intensity is adjustable, comfortable, the energy-conserving and environment-protective of throwing light on, applying flexible; The utility model adopts the structure of the integrated encapsulation in plane to make that the light source volume is little simultaneously, and is luminous evenly soft, and is easy to the low-coat scale manufacturing.
The utility model is disclosed to be the LED integrating packaging module of different-colour; The colour temperature that not only is confined to first encapsulation region is higher than the colour temperature of second encapsulation region; So long as the structure of the different integrating packaging module of colour temperature all belongs to the protection category of the utility model; Be lower than the colour temperature of second encapsulation region like the colour temperature of first encapsulation region, perhaps form the integrated encapsulation mode in three kinds of different-colours zones, these all belong to the protection category of the utility model.
The above only with convenient explanation the utility model, in not breaking away from the creation spirit category of the utility model, knows this technological any simple modification and distortion that personnel did, still belongs to the protection range of the utility model.
Claims (6)
1. the white light LEDs integrated encapsulation structure of an adjustable color temperature; Comprise substrate, be formed at the led chip group on the substrate and be coated in the fluorescent coating on the led chip group; It is characterized in that: said led chip group comprises that first led chip group of middle section and ring are located at the first led chip group, the second led chip group on every side; Be coated with first fluorescent coating on the said first led chip group and form first encapsulation region; Be coated with second fluorescent coating on the said second led chip group and form second encapsulation region; The colour temperature of said first encapsulation region is higher than the colour temperature of second encapsulation region, and said first encapsulation region and second encapsulation region are formed with independently anode and cathode conductive district respectively.
2. the white light LEDs integrated encapsulation structure of a kind of adjustable color temperature according to claim 1, it is characterized in that: the colour temperature of said first encapsulation region is between 4800K～7000K, and the colour temperature of said second encapsulation region is between 2600K～3500K.
3. the white light LEDs integrated encapsulation structure of a kind of adjustable color temperature according to claim 2, it is characterized in that: the colour temperature of said first encapsulation region is between 5000K～6500K, and the colour temperature of said second encapsulation region is between 2800K～3000K.
4. the white light LEDs integrated encapsulation structure of a kind of adjustable color temperature according to claim 3, it is characterized in that: the colour temperature of said first encapsulation region is 6500K, the colour temperature of said second encapsulation region is 2800K.
5. the white light LEDs integrated encapsulation structure of a kind of adjustable color temperature according to claim 3, it is characterized in that: the colour temperature of said first encapsulation region is 5500K, the colour temperature of said second encapsulation region is 3000K.
6. according to the white light LEDs integrated encapsulation structure of each described a kind of adjustable color temperature of claim 1 to 5, it is characterized in that: also be provided with the layer of transparent protective layer on said first fluorescent coating and second fluorescent coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203833201U CN202275828U (en) | 2011-09-30 | 2011-09-30 | Color temperature adjustable white LED integrated packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203833201U CN202275828U (en) | 2011-09-30 | 2011-09-30 | Color temperature adjustable white LED integrated packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275828U true CN202275828U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203833201U Expired - Fee Related CN202275828U (en) | 2011-09-30 | 2011-09-30 | Color temperature adjustable white LED integrated packaging structure |
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| Country | Link |
|---|---|
| CN (1) | CN202275828U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222072A (en) * | 2014-10-24 | 2016-01-06 | 成都世纪光合作用科技有限公司 | Long-range high-power Dimmable lighting device |
| WO2016107436A1 (en) * | 2014-12-31 | 2016-07-07 | 四川新力光源股份有限公司 | Dimmable led light source |
| CN107833876A (en) * | 2017-11-24 | 2018-03-23 | 广东晶科电子股份有限公司 | The LED light source and its manufacture method of a kind of adjustable color |
| CN107887371A (en) * | 2017-11-10 | 2018-04-06 | 江西新月光电有限公司 | It is easy to control the LED wiring constructions of light effect |
| CN107946430A (en) * | 2017-11-10 | 2018-04-20 | 江西新月光电有限公司 | LED encapsulation structure with low colour temperature, high colour gamut |
| CN110211951A (en) * | 2019-07-11 | 2019-09-06 | 上海应用技术大学 | A kind of white LED lamp structure of the multistage adjustable color based on full spectrum |
| EP4012766A1 (en) * | 2020-12-11 | 2022-06-15 | Foshan Evercore Optoelectronic Technology Co.,Ltd. | Full-color chip-on-board (cob) device |
-
2011
- 2011-09-30 CN CN2011203833201U patent/CN202275828U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222072A (en) * | 2014-10-24 | 2016-01-06 | 成都世纪光合作用科技有限公司 | Long-range high-power Dimmable lighting device |
| WO2016107436A1 (en) * | 2014-12-31 | 2016-07-07 | 四川新力光源股份有限公司 | Dimmable led light source |
| CN105805608A (en) * | 2014-12-31 | 2016-07-27 | 四川新力光源股份有限公司 | Dimmable LED light source |
| CN107887371A (en) * | 2017-11-10 | 2018-04-06 | 江西新月光电有限公司 | It is easy to control the LED wiring constructions of light effect |
| CN107946430A (en) * | 2017-11-10 | 2018-04-20 | 江西新月光电有限公司 | LED encapsulation structure with low colour temperature, high colour gamut |
| CN107946430B (en) * | 2017-11-10 | 2023-12-26 | 陕西百创电气科技有限公司 | LED packaging structure with low color temperature and high color gamut |
| CN107833876A (en) * | 2017-11-24 | 2018-03-23 | 广东晶科电子股份有限公司 | The LED light source and its manufacture method of a kind of adjustable color |
| CN107833876B (en) * | 2017-11-24 | 2024-03-15 | 广东晶科电子股份有限公司 | LED light source with adjustable color temperature and manufacturing method thereof |
| CN110211951A (en) * | 2019-07-11 | 2019-09-06 | 上海应用技术大学 | A kind of white LED lamp structure of the multistage adjustable color based on full spectrum |
| EP4012766A1 (en) * | 2020-12-11 | 2022-06-15 | Foshan Evercore Optoelectronic Technology Co.,Ltd. | Full-color chip-on-board (cob) device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120613 Termination date: 20160930 |