CN207883734U - LED white-light illuminatings module and LED illumination lamp - Google Patents
LED white-light illuminatings module and LED illumination lamp Download PDFInfo
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- CN207883734U CN207883734U CN201820240101.XU CN201820240101U CN207883734U CN 207883734 U CN207883734 U CN 207883734U CN 201820240101 U CN201820240101 U CN 201820240101U CN 207883734 U CN207883734 U CN 207883734U
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- light
- wavelength conversion
- conversion layer
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Abstract
The utility model discloses a kind of LED white-light illuminatings module and LED illumination lamps, the illumination module includes the LED light source group set gradually and wavelength conversion layer, the wavelength conversion layer is equipped with a groove, the periphery of the downward surface indentation in center of the groove from the upper surface of wavelength conversion layer, the wavelength conversion layer coats one layer of total reflection layer different from the position of the groove.By the way that a groove is arranged on wavelength conversion layer, and coat total reflection layer in the position different from groove, light is set to be emitted from groove, on the one hand light-emitting area is reduced, brightness of illumination is improved, some light that LED light source group is sent out on the other hand is allow directly to be emitted from groove without wavelength conversion layer conversion, to be mixed to form white light with the light that wavelength conversion layer inspires, without other light filling, the structure of LED light is reduced.
Description
Technical field
The utility model is related to lighting technical fields, and in particular to a kind of LED white-light illuminatings module and LED illumination lamp.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because having light
Many advantages, such as flux height, long lifespan, structure be small and safe efficient, energy saving etc., is just gradually replacing traditional incandescent lamp and section
Energy lamp, becomes a kind of general lighting source.
Existing LED light is typically that blue light or UV LED chip are bonded placement, fluorescent powder with transparent phosphor sheet
The blue light or ultraviolet excitation that fluorescent powder in piece is sent out through blue light or UV LED chip generate exciting light, final exciting light
With remaining blue light at beam of white light.However since the light-emitting area of phosphor sheet is larger, lead to hot spot brightness reduction；This
Outside, yellow light being converted by phosphor sheet since the light of LED chip outgoing is most of, directly outgoing is not readily available white light,
It need to could be realized by way of light filling, the structure of LED light is caused to become complicated.
Utility model content
The utility model provides a kind of LED white-light illuminatings module and LED illumination lamp, to solve LED light in the prior art
There is a problem of that brightness is low and complicated.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of LED white-light illuminatings module, including
The LED light source group and wavelength conversion layer set gradually, the wavelength conversion layer are equipped with a groove, and the groove is from wavelength convert
The downward surface indentation in center of the upper surface of layer, the periphery of the wavelength conversion layer is coated different from the position of the groove
One layer of total reflection layer.
Further, the section of the groove is in half elliptic or semicircle.
Further, the long axis direction of the half elliptic and the short transverse of wavelength conversion layer are parallel, and long axis is more than
2/3 height of wavelength conversion layer, the semicircular radius are more than 2/3 height of wavelength conversion layer.
Further, the sectional area of the groove is not more than 1/8 wavelength conversion layer upper surface area.
Further, it is filled with Silica hydrogel in the groove, and is higher by the wavelength conversion layer at the top of the Silica hydrogel
Upper surface.
Further, further include reflector and substrate, the reflector, LED light source group and wavelength conversion layer are set to institute
It states on substrate, and LED light source group and wavelength conversion layer are located inside the reflector, the reflector top center is equipped with light extraction
Mouthful.
Further, the spherical structure of the reflector, the groove are located at the centre of sphere of the reflector.
Further, a heat-conducting layer is equipped between the LED light source group and wavelength conversion layer, the heat-conducting layer transmits LED
The light that light source group is sent out, the light that reflective wavelength-converting layer inspires.
Further, the size of the heat-conducting layer is not less than the size of the wavelength conversion layer, and the heat-conducting layer uses glass
Glass or sapphire are made.
The utility model also provides a kind of LED illumination lamp, including LED white-light illuminatings module as described above.
LED white-light illuminatings module provided by the utility model and LED illumination lamp, the illumination module include setting gradually
LED light source group and wavelength conversion layer, the wavelength conversion layer are equipped with a groove, and the groove is from the upper surface of wavelength conversion layer
The downward surface indentation in center, the periphery of the wavelength conversion layer coats one layer of total reflection different from the position of the groove
Layer.Total reflection layer is coated by the way that a groove is arranged on wavelength conversion layer, and in the position different from groove, makes light from groove
Outgoing, on the one hand reduces light-emitting area, improves brightness of illumination, on the other hand make some light that LED light source group is sent out can
It is white to be mixed to form with the light that wavelength conversion layer inspires to be directly emitted from groove without wavelength conversion layer conversion
Light is not necessarily to other light filling, reduces the structure complexity of LED light.
Description of the drawings
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model LED white-light illuminatings module；
Fig. 2 is the utility model LED white-light illuminating module another specific embodiment structural schematic diagrams.
As shown in the figure：10, LED light source group；20, wavelength conversion layer；210, groove；30, total reflection layer；40, reflector；
410, light-emitting window；50, heat-conducting layer；60, Silica hydrogel；70, substrate.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1, the utility model provides a kind of LED white-light illuminatings module, including the LED light source group set gradually
10 and wavelength conversion layer 20, the wavelength conversion layer 20 is equipped with a groove 210, and the groove 210 is from wavelength conversion layer 20
The downward surface indentation in center of upper surface, the position Jun Bao of the periphery of the wavelength conversion layer 20 different from the groove 210
Cover one layer of total reflection layer 30.Specifically, with different angle to project wavelength conversion layer 20 enterprising for the light that LED light source group 10 is emitted
Row excitation, since the downward surface indentation in the center of the upper surface of wavelength conversion layer 20 forms groove 210, and different from groove
210 position coats total reflection layer 30, and the light projected on total reflection layer 30 passes through one or many reflections, finally from groove
It is emitted at 210, on the one hand reduces light-emitting area, improve brightness of illumination, on the other hand, since the presence of groove 210 is reduced
The wavelength convert particle of corresponding position, therefore LED light source group 10 projects the light at the position and does not all pass through largely
It crosses conversion and is directly emitted, the light to be inspired with wavelength conversion layer 20 is mixed to form white light, is not necessarily to other light filling.This reality
In novel, it is 1.8 or so that wavelength conversion layer 20, which uses fluorescence ceramics piece, refractive index, and the refractive index of air is 1.
Preferably, the section of the groove 210 is in half elliptic or semicircle, when the section of groove 210 is half elliptic
When, long axis direction is parallel with the short transverse of wavelength conversion layer 20, and long axis is more than the 2/3 of the height of wavelength conversion layer 20,
When the section of groove 210 is semicircle, radius is more than the 2/3 of the height of wavelength conversion layer 20.It, can be with by this kind of mode
Make most of light that LED light source group 10 is emitted to 210 corresponding position of groove that can directly be emitted, with wavelength conversion layer 20
The light of excitation is mixed to form white light, ensures illuminating effect.
Preferably, the sectional area of the groove 210 is not more than 1/8 wavelength conversion layer, 20 upper surface area, that is, is not more than wave
The 1/8 of 20 upper surface area of long conversion layer, the light-emitting area to ensure wavelength conversion layer 20 is sufficiently small, bright to improve light beam
Degree.
As shown in Fig. 2, Silica hydrogel 60 is filled in the groove 210, and the top of the Silica hydrogel 60 is higher by the wave
The upper surface of long conversion layer 20.Since the translucency of Silica hydrogel 60 is good, and refractive index is 1.5 or so, between wavelength conversion layer 20
Between the refractive index of air, Silica hydrogel 60, which is filled in groove 210, can greatly improve light extraction efficiency, improve the profit of light
With rate and brightness of illumination.It should be noted that the top of Silica hydrogel 60 is rounded.
Preferably, the LED white-light illuminatings module further includes reflector 40 and substrate 70, the reflector 40, LED light source
Group 10 and wavelength conversion layer 20 are set on the substrate 70, and LED light source group 10 and wavelength conversion layer 20 are positioned at described reflective
Inside bowl 40,40 top center of the reflector is equipped with light-emitting window 410.Preferably, 40 spherical structure of the reflector, it is described
Groove 210 is located at the centre of sphere of the reflector 40.Specifically, LED light source group 10 and wavelength conversion layer 20 are successively set on base
On plate 70, the most of light being emitted from the groove 210 of wavelength conversion layer 20 can be emitted directly from light-emitting window 410, separately
Sub-fraction light projects on reflector 40, reflects back into groove 210 through reflector 40, the light for being reflected back groove 210 exists
It is emitted from groove 210 after multiple reflections in wavelength conversion layer 20, will be finally emitted from light-emitting window 410 again, to further
Improve brightness.
Please continue to refer to Fig. 2, a heat-conducting layer 50 is equipped between the LED light source group 10 and wavelength conversion layer 20, being used for will
The heat that wavelength conversion layer 20 and LED light source group 10 generate quickly exports, and avoids 20 heat of wavelength conversion layer excessively high and impaired, institute
It states heat-conducting layer 50 and transmits the light that LED light source group 10 is sent out, the light that reflective wavelength-converting layer 20 inspires.Preferably, described
The size of heat-conducting layer 50 is not less than the size of the wavelength conversion layer 20, and both ends can be connected to the cooling fin in 30 outside of reflector
(not shown) carries out rapid cooling by cooling fin.The heat-conducting layer 50 is made of glass or sapphire, heat conductivility
It is good.In addition, heat-conducting layer 50 is coated with optical thin film, and the light that this film transmission LED light source group 10 is sent out, reflective wavelength-converting layer 20
The light inspired.
The utility model additionally provides a kind of LED illumination lamp, including LED white-light illuminatings module as described above.
In conclusion LED white-light illuminatings module provided by the utility model and LED illumination lamp, the illumination module include according to
The LED light source group 10 and wavelength conversion layer 20 of secondary setting, the wavelength conversion layer 20 are equipped with a groove 210, the groove 210
The downward surface indentation in center from the upper surface of wavelength conversion layer 20, the periphery of the wavelength conversion layer 20 is different from described recessed
The position of slot 210 coats one layer of total reflection layer 30.By the way that a groove 210 is arranged on wavelength conversion layer 20, and different from recessed
The position of slot 210 coats total reflection layer 30, so that light is emitted from groove 210, on the one hand reduces light-emitting area, improve light
The brightness of line, on the other hand allow some light that LED light source group 10 is sent out without wavelength conversion layer 20 convert directly from
It is emitted at groove 210, the light to be inspired with wavelength conversion layer 20 is mixed to form white light, is not necessarily to other light filling, reduces
The structure complexity of LED light.
Although the embodiment of the utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of not departing from the utility model aims, are set
It changes and change should be included in the scope of protection of the utility model.
Claims (10)
1. a kind of LED white-light illuminatings module, including the LED light source group and wavelength conversion layer that set gradually, which is characterized in that it is described
Wavelength conversion layer is equipped with a groove, the downward surface indentation in center of the groove from the upper surface of wavelength conversion layer, institute
The periphery for stating wavelength conversion layer coats one layer of total reflection layer different from the position of the groove.
2. LED white-light illuminatings module according to claim 1, which is characterized in that the section of the groove is in half elliptic
Or it is semicircle.
3. LED white-light illuminatings module according to claim 2, which is characterized in that the long axis direction of the half elliptic with
The short transverse of wavelength conversion layer is parallel, and long axis is more than 2/3 height of wavelength conversion layer, and the semicircular radius is more than wave
2/3 height of long conversion layer.
4. LED white-light illuminatings module according to claim 2, which is characterized in that the sectional area of the groove is not more than 1/8
Wavelength conversion layer upper surface area.
5. LED white-light illuminatings module according to claim 1, which is characterized in that Silica hydrogel is filled in the groove, and
The upper surface of the wavelength conversion layer is higher by the top of the Silica hydrogel.
6. LED white-light illuminatings module according to claim 1, which is characterized in that further include reflector and substrate, it is described anti-
Light bowl, LED light source group and wavelength conversion layer are set on the substrate, and LED light source group and wavelength conversion layer are positioned at described anti-
Inside light bowl, the reflector top center is equipped with light-emitting window.
7. LED white-light illuminatings module according to claim 6, which is characterized in that the spherical structure of reflector, it is described
Groove is located at the centre of sphere of the reflector.
8. LED white-light illuminatings module according to claim 1, which is characterized in that the LED light source group and wavelength conversion layer
Between be equipped with a heat-conducting layer, the light that heat-conducting layer transmission LED light source group is sent out, the light that reflective wavelength-converting layer inspires
Line.
9. LED white-light illuminatings module according to claim 8, which is characterized in that the size of the heat-conducting layer is not less than institute
The size of wavelength conversion layer is stated, the heat-conducting layer is made of glass or sapphire.
10. a kind of LED illumination lamp, which is characterized in that including such as claim 1~9 any one of them LED white-light illuminating moulds
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240101.XU CN207883734U (en) | 2018-02-09 | 2018-02-09 | LED white-light illuminatings module and LED illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240101.XU CN207883734U (en) | 2018-02-09 | 2018-02-09 | LED white-light illuminatings module and LED illumination lamp |
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| Publication Number | Publication Date |
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| CN207883734U true CN207883734U (en) | 2018-09-18 |
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ID=63498613
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820240101.XU Active CN207883734U (en) | 2018-02-09 | 2018-02-09 | LED white-light illuminatings module and LED illumination lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134004A (en) * | 2018-02-09 | 2018-06-08 | 超视界激光科技（苏州）有限公司 | LED white-light illuminatings module and LED illumination lamp |
-
2018
- 2018-02-09 CN CN201820240101.XU patent/CN207883734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134004A (en) * | 2018-02-09 | 2018-06-08 | 超视界激光科技（苏州）有限公司 | LED white-light illuminatings module and LED illumination lamp |
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