CN207353244U - A kind of COB LED components of tri- color chips of RGB mixing - Google Patents
A kind of COB LED components of tri- color chips of RGB mixing Download PDFInfo
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- CN207353244U CN207353244U CN201720997593.2U CN201720997593U CN207353244U CN 207353244 U CN207353244 U CN 207353244U CN 201720997593 U CN201720997593 U CN 201720997593U CN 207353244 U CN207353244 U CN 207353244U
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Abstract
The utility model discloses a kind of COB LED components of tri- color chips of RGB mixing, red LED chip, green LED chip and blue-light LED chip are provided with the functional areas of the device light-emitting area, above-mentioned three kinds of chips carry out connection in series-parallel, total quantity in parallel is reached the current requirements of DC power supply；In each route road in parallel, the LED chip quantity of same color is identical, and is uniformly arranged on COB substrates.Red LED chip, green LED chip and blue-light LED chip are arranged in particular manner, so as to fulfill homogenizing for light, while are mixed into spread powder in packing colloid further to homogenize light, the COBLED devices are allow to realize application on low-angle lens, and light quality is uniform.
Description
Technical field
A kind of LED component is the utility model is related to, more particularly to a kind of COB LED components of tri- color chips of RGB mixing.
Background technology
The onboard led device (or being COB LED components) of general illumination is glimmering using blue-light LED chip excitation mostly at present
The mode of light powder obtains, but since the heat endurance of fluorescent powder is weaker, thus can cause the cold conditions colour temperatures of COB LED devices with
Luminous flux, hot colour temperature and luminous flux have larger difference, and this difference is to need to keep away in more demanding lighting environment
Exempt from, in order to avoid this difference, it is necessary to carry out good radiating treatment to COB LED components, but can also increase COB at the same time
The holistic cost of LED component.
Weaken in order to avoid the color temperature shift of cold and hot with luminous flux, can be combined by using RGB three-color LEDs chip
White light, since the heat endurance of LED chip is better than fluorescent powder, so the white light LED part obtained has preferable heat endurance.
The rgb light source of COB encapsulation of the prior art, preparation process is cumbersome and with high costs, and such as fails tri- colors of RGB of uniformly arranging
LED chip, will make the light that COB LED component light-emitting areas are sent that bright-colored colored and heterogeneous white light be presented, and as used
The lens of general COB LED components, it is likely that make the luminous of device the phenomenon of colour cast occur, white light can not be obtained.
Utility model content
To solve the above problems, the utility model provides a kind of COB LED components of tri- color chips of RGB mixing.Solve
Existing COB LED components colour temperature and luminous flux thermostabilization are poor, and the COB LED components of RGB tri- color chips mixing shine
The problem of lack of homogeneity.General COB light source lens can be used in the COB LED components of tri- color chips of RGB mixing, without making
By the light of lens, there is a phenomenon where colour cast.
The technical solution of the utility model is as follows：
A kind of COB LED components of tri- color chips of RGB mixing, are provided with feux rouges in the functional areas of the device light-emitting area
LED chip, green LED chip and blue-light LED chip, above-mentioned three kinds of chips carry out connection in series-parallel, total quantity in parallel is reached direct current
The current requirements of power supply；In each route road in parallel, the LED chip quantity of same color is identical, and is uniformly arranged in COB
On substrate.
According to the utility model, the light-emitting area of the COB LED components can be square, rectangle or circle.
According to the utility model, the functional areas of the COB LED components light-emitting area can be square, rectangle or circle.
According to the utility model, the functional areas of the COB LED components light-emitting area are square or rectangle, the feux rouges
LED chip, green LED chip and blue-light LED chip are each uniformly arranged in the functional areas of light-emitting area.
According to the utility model, the functional areas of the COB LED components light-emitting area are circle, the red LED chip,
Green LED chip, each using the center of circle of the functional areas of light-emitting area as the center of circle, is arranged with blue-light LED chip in divergence form.
According to the utility model, the device is packaged with packing colloid, and is mixed into appropriate light in packing colloid and is expanded
Loose powder.
Preferably, the smooth spread powder is inorganic smooth spread powder and/or organic smooth spread powder, and the smooth spread powder is with encapsulating
The mass ratio of colloid is 0-0.5, is preferably 0-0.3, is further preferably 0-0.2.
According to the utility model, the colour temperature of the COB LED components is 3000-15000K, and in 3000-7000K colour temperatures
In region, its chromaticity coordinates is not more than 10SDCM in the color tolerance of assorted warm area, and the chromaticity coordinates is close proximity to black body radiation line.
According to the utility model, the colour temperature of the COB LED components exists in 7000-7600K color temperature regions, its chromaticity coordinates
Coordinate in 1931 coordinate systems of CIE in the color area that A1, B1, C1,4 points of D1 are surrounded, wherein A1 points for (0.2986,
0.3552), B1 points are (0.3109,0.2931), and C1 points are (0.3050,0.2879), and D1 points are (0.2888,0.3465).
According to the utility model, the colour temperature of the COB LED components exists in 7600-8500K color temperature regions, its chromaticity coordinates
Coordinate in 1931 coordinate systems of CIE in the color area that A2, B2, C2,4 points of D2 are surrounded, wherein A2 points for (0.2888,
0.3465), B2 points are (0.3050,0.2879), and C2 points are (0.2977,0.2815), and D2 points are (0.2771,0.3361).
According to the utility model, the colour temperature of the COB LED components exists in 8500-10000K color temperature regions, its chromaticity coordinates
Coordinate in 1931 coordinate systems of CIE in the color area that A3, B3, C3,4 points of D3 are surrounded, wherein A3 points for (0.2771,
0.3361), B3 points are (0.2977,0.2815), and C3 points are (0.2909,0.2678), and D3 points are (0.2667,0.3154).
According to the utility model, the colour temperature of the COB LED components exists in 10000-12000K color temperature regions, its chromaticity coordinates
Coordinate in 1931 coordinate systems of CIE in the color area that A4, B4, C4,4 points of D4 are surrounded, wherein A4 points for (0.2667,
0.3154), B4 points are (0.2909,0.2678), and C4 points are (0.2854,0.2569), and D4 points are (0.2581,0.2982).
According to the utility model, the colour temperature of the COB LED components exists in 12000-15000K color temperature regions, its chromaticity coordinates
Coordinate in 1931 coordinate systems of CIE in the color area that A5, B5, C5,4 points of D5 are surrounded, wherein A5 points for (0.2581,
0.2982), B5 points are (0.2854,0.2569), and C5 points are (0.2805,0.2470), and D5 points are (0.2506,0.2831).
According to the utility model, the peak wavelength of the red LED chip of the COB LED components is 620-635nm, green
The peak wavelength of light LED chip is 515-530nm, and the peak wavelength of blue-light LED chip is 444-460nm.
The utility model is packaged into luminous LED device by RGB three-color LED chips in a manner of COB, realizes three primary colours
White light LED luminescent device, avoids the use of fluorescent powder, while on the chip array of light source, red LED chip, green light LED
Chip and blue-light LED chip are each equably arranged in the functional areas of the light-emitting area of COB LED light sources in particular manner
On, so as to fulfill homogenizing for light；Meanwhile in each route road in parallel, the LED chip quantity of same color is identical, thus
It ensure that the cut-in voltage of each string is identical.And appropriate light spread powder is mixed into packing colloid makes the light of each wavelength in light source
Inside is sufficiently mixed, and further to homogenize light, the COB LED components that tri- color chips of RGB mix is sent uniform white light, is made
The COB LED devices can realize application on low-angle lens, i.e., general low-angle lens are without making light source colour cast occur
Phenomenon, and light quality is uniform.
Brief description of the drawings
The emission spectrum of the COB LED components of tri- color chips of the RGB mixing of Fig. 1 embodiments 1.
The emission spectrum of the COB LED components of tri- color chips of the RGB mixing of Fig. 2 embodiments 2.
The emission spectrum of the COB LED components of tri- color chips of the RGB mixing of Fig. 3 embodiments 3.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It is to be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.Furthermore, it is to be understood that reading in described in the utility model
After appearance, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this
Utility model limited range.
Embodiment 1
Substrate using specular aluminium as COB LED components, the functional areas of specular aluminium light-emitting area are the circle of diameter 15mm.
The design cut-in voltage of device is 50V, and design input current is 700mA, and device total power consumption is about 35W.The COB LED components institute
The peak wavelength of the red LED chip used is 630nm, and the specified use electric current of chip is 100mA, and voltage is 2.2V@
100mA；The peak wavelength of the green LED chip used is 520nm, and the specified use electric current of chip is 100mA, and voltage is 3V@
100mA；The peak wavelength of the blue-light LED chip used is 450nm, and the specified use electric current of chip is 100mA, and voltage is 3V@
100mA.Uniformly diverging each is presented by the center of circle of the center of circle of COB substrate circles functional areas with blue-light LED chip in feux rouges, green light
Type is arranged.The series-parallel system of the COB LED components is gone here and there for 7 and 18, red light chips 5 in every a string, and green light chip 9 is blue
Optical chip 4.The colour temperature of the COB LED components is 10100K, and CIE1931 chromaticity coordinates is (0.2681,0.3078).
Embodiment 2
Substrate using specular aluminium as COB LED components, the functional areas of specular aluminium light-emitting area are the circle of diameter 30mm,
The design cut-in voltage of device is 60V, and design input current is 1.6A, and total device power is about 100W.The COB LED components institute
The peak wavelength of the red LED chip used is 620nm, and the specified use electric current of chip is 160mA, and voltage is 2.2V@
160mA；The peak wavelength of the green LED chip used is 515nm, and the specified use electric current of chip is 160mA, and voltage is
2.8V@160mA；The peak wavelength of the blue-light LED chip used is 445nm, and the specified of chip using electric current is 160mA, voltage
For 3V@160mA.Feux rouges, green light each present uniform with blue-light LED chip using the center of circle of COB substrate circles functional areas as the center of circle
Divergence form is arranged.The series-parallel system of the COB LED components is gone here and there for 10 and 23, red light chips 10 in every a string, green light chip
5, blue chip 8.The colour temperature of the COB LED components is 3200K, and CIE1931 chromaticity coordinates is (0.4288,0.4087).
Embodiment 3
Substrate using silver-plated copper as COB LED components, the functional areas of substrate light-emitting area are the pros of 35mm × 35mm
Shape, the design cut-in voltage of device is 100V, and design input current is 6A, and total device power is about 500W.The COB LED components
The peak wavelength of used red LED chip is 635nm, and the specified use electric current of chip is 300mA, and voltage is 2.0V@
300mA；The peak wavelength of the green LED chip used is 530nm, and the specified use electric current of chip is 300mA, and voltage is
3.0V@300mA；The peak wavelength of the blue-light LED chip used is 460nm, and the specified of chip using electric current is 300mA, voltage
For 3V@300mA.Feux rouges, green light each uniformly and are arranged in the light-emitting area of functional areas with intersecting with blue-ray LED chip.
The series-parallel system of the COB LED components is gone here and there for 20 and 40, red light chips 20 in every a string, green light chip 10, blue light core
Piece 10.The colour temperature of the COB LED components is 6020K, and CIE1931 chromaticity coordinates is (0.3215,0.3360).
More than, the embodiment of the utility model is illustrated.But the utility model is not limited to above-mentioned implementation
Mode.Where within the spirit and principles of the present invention, any modification, equivalent substitution, improvement and etc. done, should be included in
Within the scope of protection of the utility model.
Claims (9)
1. a kind of COB LED components of tri- color chips of RGB mixing, it is characterised in that set in the functional areas of the device light-emitting area
Red LED chip, green LED chip and blue-light LED chip are equipped with, above-mentioned three kinds of chips carry out connection in series-parallel, make total quantity in parallel
Reach the current requirements of DC power supply；In each route road in parallel, the LED chip quantity of same color is identical, and uniformly
It is arranged on COB substrates.
2. COB LED components as claimed in claim 1, it is characterised in that the light-emitting area of the COB LED components can be just
Square, rectangle or circle.
3. COB LED components as claimed in claim 1, it is characterised in that the functional areas of the COB LED components light-emitting area can
Think square, rectangle or circle.
4. COB LED components as claimed in claim 3, it is characterised in that the functional areas of the COB LED components light-emitting area are
Square or rectangle, the red LED chip, green LED chip and blue-light LED chip are each uniformly arranged in light-emitting area
In functional areas.
5. COB LED components as claimed in claim 3, it is characterised in that the functional areas of the COB LED components light-emitting area are
Circle, the red LED chip, green LED chip and blue-light LED chip are each using the center of circle of the functional areas of light-emitting area as circle
The heart, arranges in divergence form.
6. the COB LED components as any one of claim 1-5, it is characterised in that the device packing colloid into
Row encapsulation, and appropriate light spread powder is mixed into packing colloid.
7. COB LED components as claimed in claim 6, it is characterised in that the smooth spread powder for inorganic smooth spread powder and/or
Organic smooth spread powder, the mass ratio of the smooth spread powder and packing colloid is 0-0.5.
8. the COB LED components as any one of claim 1-5, it is characterised in that the colour temperature of the COB LED components
For 3000-15000K, and in 3000-7000K color temperature regions, its chromaticity coordinates is not more than in the color tolerance of assorted warm area
10SDCM, the chromaticity coordinates is close proximity to black body radiation line.
9. the COB LED components as any one of claim 1-5, it is characterised in that the feux rouges of the COB LED components
The peak wavelength of LED chip is 620-635nm, and the peak wavelength of green LED chip is 515-530nm, the peak of blue-light LED chip
Value wavelength is 444-460nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997593.2U CN207353244U (en) | 2017-08-10 | 2017-08-10 | A kind of COB LED components of tri- color chips of RGB mixing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720997593.2U CN207353244U (en) | 2017-08-10 | 2017-08-10 | A kind of COB LED components of tri- color chips of RGB mixing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540472A (en) * | 2018-10-11 | 2019-03-29 | 长春希达电子技术有限公司 | The application method of the hybrid stepping method of LED luminescence chip and its luminescence chip |
-
2017
- 2017-08-10 CN CN201720997593.2U patent/CN207353244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540472A (en) * | 2018-10-11 | 2019-03-29 | 长春希达电子技术有限公司 | The application method of the hybrid stepping method of LED luminescence chip and its luminescence chip |
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Wang Inventor after: Liu Zhuguang Inventor after: Deng Zhonghua Inventor after: Chen Jian Inventor after: Huang Qiufeng Inventor after: Huang Jiquan Inventor after: Zhang Weifeng Inventor before: Guo Wang Inventor before: Liu Zhuguang Inventor before: Deng Zhonghua Inventor before: Chen Jian Inventor before: Huang Qiufeng Inventor before: Huang Jiquan Inventor before: Zhang Weifeng |