CN204284979U - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN204284979U CN204284979U CN201420542069.2U CN201420542069U CN204284979U CN 204284979 U CN204284979 U CN 204284979U CN 201420542069 U CN201420542069 U CN 201420542069U CN 204284979 U CN204284979 U CN 204284979U
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- Prior art keywords
- light emitting
- emitting module
- light
- lighting device
- wavelength conversion
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Abstract
The utility model provides a kind of lighting device.The lighting device of embodiment comprises: the 1st light emitting module, the 2nd wavelength conversion layer possessing semiconductor light-emitting elements, be configured in the 1st wavelength conversion layer on described semiconductor light-emitting elements and be configured on described semiconductor light-emitting elements; 2nd light emitting module, possesses described semiconductor light-emitting elements, described 1st wavelength conversion layer and described 2nd wavelength conversion layer, and the configuration of described 1st wavelength conversion layer and described 2nd wavelength conversion layer and described 1st light emitting module have symmetry; Apparatus body, is provided with light resource installing section at lower surface, is mounted alternately with described 1st light emitting module and described 2nd light emitting module in described light resource installing section; And reflector, the light from described 1st light emitting module and described 2nd light emitting module outgoing is controlled.The lighting device that the utility model provides can improve colour mixture performance.
Description
Technical field
Embodiment of the present utility model relates to a kind of lighting device.
Background technology
In recent years, such as in the lighting devices such as Down lamp (down light), sometimes use light emitting diode (Light Emitting Diode, LED) be arranged on the light emitting module (module) on substrate as light source, described light emitting diode is that the life-span is more isometric than bulb and the semiconductor light-emitting elements that power consumption is fewer than bulb etc.The multiple light emitting modules using blue led and yellow fluorophor to carry out outgoing white light such as arrange by this lighting device in the circumferential direction.
In this kind of lighting device, such as, when utilizing the multiple fluorophor of use to carry out the light emitting module of the different photochromic light of outgoing, depending on the configuration of light emitting module, likely can produce aberration, cause colour mixture hydraulic performance decline.
Prior art document
Patent document
Patent document 1: Japanese Patent Laid-Open 2011-204655 publication
Utility model content
[utility model problem to be solved]
The object of present embodiment is to provide a kind of lighting device that can improve colour mixture performance.
[technological means of dealing with problems]
The lighting device of embodiment comprises: the 1st light emitting module, the 2nd wavelength conversion layer possessing semiconductor light-emitting elements, be configured in the 1st wavelength conversion layer on described semiconductor light-emitting elements and be configured on described semiconductor light-emitting elements; 2nd light emitting module, possesses described semiconductor light-emitting elements, described 1st wavelength conversion layer and described 2nd wavelength conversion layer, and the configuration of described 1st wavelength conversion layer and described 2nd wavelength conversion layer and described 1st light emitting module have symmetry; Apparatus body, is provided with light resource installing section at lower surface, is mounted alternately with described 1st light emitting module and described 2nd light emitting module in described light resource installing section; And reflector, the light from described 1st light emitting module and described 2nd light emitting module outgoing is controlled.
Described 1st light emitting module and described 2nd light emitting module are alternately configuration circularly.
Described 1st light emitting module and described 2nd light emitting module be alternately configuration linearly.
Have multiple modifiable installation towards the 3rd light emitting module, described multiple 3rd light emitting module alternately change install towards and be arranged in described light resource installing section.
(effect of utility model)
According to embodiment, a kind of lighting device that can improve colour mixture performance can be provided.
Detailed description of the invention
The lighting device of embodiment comprises: the 1st light emitting module, the 2nd wavelength conversion layer possessing semiconductor light-emitting elements, be configured in the 1st wavelength conversion layer on described semiconductor light-emitting elements and be configured on described semiconductor light-emitting elements; 2nd light emitting module, possesses described semiconductor light-emitting elements, described 1st wavelength conversion layer and described 2nd wavelength conversion layer, and the configuration of described 1st wavelength conversion layer and described 2nd wavelength conversion layer and described 1st light emitting module have symmetry; Apparatus body, is provided with light resource installing section at lower surface, is mounted alternately with described 1st light emitting module and described 2nd light emitting module in described light resource installing section; And reflector, the light from described 1st light emitting module and described 2nd light emitting module outgoing is controlled.
And in the lighting device of embodiment, described 1st light emitting module and described 2nd light emitting module are alternately configuration circularly.
And in the lighting device of embodiment, described 1st light emitting module and described 2nd light emitting module be alternately configuration linearly.
And, the lighting device of embodiment comprise multiple modifiable installation towards the 3rd light emitting module, described multiple 3rd light emitting module alternately changes to be installed towards and is arranged in described light resource installing section.
Below, embodiment of the present utility model is described in detail with reference to accompanying drawing.
First, the structure of the lighting device of an embodiment is described based on Fig. 1 to Fig. 4.Fig. 1 is the profile of the lighting device of an embodiment, Fig. 2 (a) and Fig. 2 (b) represents that light source configures the figure of the structure of different light emitting modules, Fig. 3 is the bottom view of the state being configured with light emitting module in the apparatus body of lighting device, and Fig. 4 is the profile of light emitting module.
As shown in Figures 1 to 4, lighting device 11 is Down lamp, is embedded into and is arranged in embedded hole, and described embedded hole is arranged on the roofing elements such as ceiling.
Lighting device 11 possesses: apparatus body 12; Multiple light emitting module 13a and light emitting module 13b, is configured in one side side and the lower surface of this apparatus body 12; Reflector 14, is configured in the downside of these light emitting modules 13a and light emitting module 13b and is arranged in apparatus body 12; Translucent cover (cover) 15, is arranged on the downside of this reflector 14; And reflection box 16, cover the surrounding of reflector 14 and translucent cover 15 and be arranged in apparatus body 12.Lighting device 11 has more standby: power subsystem (unit), is configured on roofing element, supplies lighting power supply to light emitting module 13a and light emitting module 13b.
In order to double as the radiating component that the heat that sends light emitting module 13a and light emitting module 13b is dispelled the heat, apparatus body 12 formed by the material such as metal or pottery (ceramics) such as such as aluminium casting (aluminum die-cast) of thermal conductivity and thermal diffusivity excellence, and there is circular baseplate part 21, the mode expanding downward opening with the periphery from this baseplate part 21 is formed with cylindric cylinder portion 22, the resettlement section 23 of collecting light emitting module 13 and reflector 14 etc. is formed in the inner side in this portion 22, be formed at the lower surface of this resettlement section 23 and the lower surface of apparatus body and irradiate opening 24.
As shown in Figures 1 and 3, at the periphery of the lower surface of baseplate part 21, arrangement is formed with multiple i.e. 6 light emitting module configuration sections 25 in the circumferential direction, and described light emitting module configuration section 25 is for configuring light emitting module 13a and light emitting module 13b.Light emitting module configuration section 25 formed by the depressed part 26 being formed in baseplate part 21 lower surface.The depression size of this depressed part 26 is set to identical with the gauge of the substrate of light emitting module 13.
In the central authorities of baseplate part 21, be formed with the wiring hole 29 running through baseplate part 21, in the upside of baseplate part 21, be radially formed with multiple radiating fin (fin) 30.
And each light emitting module 13a and light emitting module 13b has substrate 34, this substrate 34 is formed as substantially rectangular shape by materials such as the metals such as the such as aluminium of excellent thermal conductivity or potteries.On the one side i.e. surface of this substrate 34, in matrix, the arrangement of (matrix) shape ground is provided with multiple LED element 35 as semiconductor light-emitting elements, and described multiple LED element 35 is by being formed in Wiring pattern (pattern) on substrate 34 or routing engages (wire bonding) and can connect with powering.Be formed with the enclosure 36 of dike shape in the mode of surrounding around multiple LED element 35, in the inner side of this enclosure 36, be formed with the luminescent coating 37a and luminescent coating 37b that cover multiple LED element 35 in a sealing manner.That is, light emitting module 13a and light emitting module 13b is by chip on board (Chip On Board, COB) module composition.
LED element 35 such as sends blue light, luminescent coating 37a as the 1st wavelength conversion layer is that the blue light sent by LED element 35 excites and mainly sends the fluorophor of sodium yellow, the blue light that LED element 35 sends is changed by luminescent coating 37a, thus, the white light (light of color of sunshine) of outgoing colour temperature 6000k ~ 8000k.
And the emergent light from LED element 35 is changed by the luminescent coating 37b as the 2nd wavelength conversion layer, thus the light of light bulb color from the 2nd wavelength conversion layer outgoing colour temperature 2000k ~ 3000k.
The white of wavelength convert and the light of light bulb color is carried out owing to alternately arranging on the same substrate as the fluorophor 37a of the 1st wavelength conversion layer and as the fluorophor 37b of the 2nd wavelength conversion layer by these, and then, 1st light emitting module 13a and the 2nd light emitting module 13b is arranged in apparatus body 12, therefore, it is possible to mix equably and reduce aberration to have symmetric mode.
In addition, to light emitting module 13a and light emitting module 13b by sending the LED element 35 of blue light, the example of light of luminescent coating 37a, 37b and outgoing white and light bulb color is illustrated, but also can use the LED element of the light sending its allochromatic colour, to carry out outgoing with white and light bulb color be not homochromy light to the fluorophor of its allochromatic colour.And, the example of light of light emitting module 13a and light emitting module 13b outgoing white and this dichromatism of light bulb color is illustrated, but also can uses the light emitting module of the light of more than outgoing three look.
On the surface of substrate 34, electrode pad (pad) 38a, 38b, 39a and 39b of being electrically connected on multiple LED element 35 are installed.On the electrode pad 38a, 38b, 39a and 39b of each light emitting module 13a and light emitting module 13b, be connected with the power cable from power subsystem (cable) be introduced into through wiring hole 29 in apparatus body 12, lighting power supply can be supplied from power subsystem to each light emitting module 13a and light emitting module 13b.
Electrode pad 38a and electrode pad 38b is to LED element 35 supply power be configured under luminescent coating 37a, and electrode pad 39a and electrode pad 39b is to LED element 35 supply power be configured under luminescent coating 37b.Thus, light emitting module 13a and light emitting module 13b can send white, light bulb color or light that is white and light bulb color.
And, reflector 14 is by the synthetic resin system with insulating properties, there is discoideus surface element 42, and from the upper surface periphery of this surface element 42, have multiple reflecting drum portion 43 with the position of each light emitting module 13a be configured in apparatus body 12 and light emitting module 13b is projecting accordingly.These reflecting drum portions 43 are formed as roughly circular cone tubular in the mode expanding inclination towards the irradiation opening 24 of downside, and within it surface is formed with the reflecting surface 44 of the light direction of illumination reflection downward made from LED element 35.
The internal diameter size of the leading section of the upper end side of reflecting surface 44 is larger than the outside dimension of the enclosure 36 of light emitting module 13a and light emitting module 13b, and reflecting surface 44 is configured in the enclosure 36 of light emitting module 13a and light emitting module 13b around opposite to each other.That is, the leading section of the upper end side of reflecting surface 44 is positioned at more top compared with the light-emitting area of light emitting module 13a and light emitting module 13b and the surface of luminescent coating 37a and luminescent coating 37b, reflecting surface 44 be set to the side face of enclosure 36 position in opposite directions till.In addition, at least the lower surface of surface element 42 or reflecting surface 44 implement the reflecting surface process that reflection efficiency is improved in minute surface or white face etc.
And translucent cover 15, by acrylic resin or the glass with light transmission and light diffusing, is formed as the discoideus of the size of the whole face side covering reflector 14, and is releasably installed on reflector 14 by not shown mounting structure.
And reflection box 16 is formed as cylindric by such as metal or synthetic resin, and possesses: reflection face 51, along the resettlement section 23 of apparatus body 12 internal face and configure; And edge 52, be connected to the lower surface of roofing element and between not shown mounting spring, keep roofing element, and covering embedded hole.
And, in the lighting device 11 formed in this way, by supplying lighting power supply from power subsystem to each light emitting module 13a and light emitting module 13b, thus LED element 35 lighting of each light emitting module 13a and light emitting module 13b, release light with the light-emitting area from luminescent coating 37a and luminescent coating 37b surface.A part for the light of this releasing is directly towards translucent cover 15, and a part to be reflected by reflecting surface 44 and towards translucent cover 15, and irradiates downwards from irradiation opening 24 through translucent cover 15.
The heat transfer produced because of the lighting of the LED element 35 of each light emitting module 13a and light emitting module 13b to substrate 34, and conducts to apparatus body 12 from this substrate 34, and is dispersed into air from the outer surface comprising radiating fin 30 of this apparatus body 12.
According to this lighting device 11, apparatus body 12 is provided with multiple light emitting module configuration section 25 and configures multiple light emitting module 13a and light emitting module 13b, reflector 14 is provided with multiple reflectings surface 44 that the light from each light emitting module 13a and light emitting module 13b is reflected, and the light quantity of therefore releasing from lighting device 11 increases and can improve brightness.
As shown in Fig. 2 (a) and Fig. 2 (b) to Fig. 4, in present embodiment, in light emitting module 13a and light emitting module 13b, the configuration of luminescent coating 37a and luminescent coating 37b is different.Specifically, in light emitting module 13a and light emitting module 13b, luminescent coating 37a and luminescent coating 37b is configured to symmetry.And then, light emitting module 13a and light emitting module 13b alternately configures along the circumferential direction of baseplate part 21 by lighting device 11, more specifically, be circular with the angle of 60 ° respectively and alternately configuration at substantially equal intervals, to make to become equal from the photometric distribution of lighting device 11 outgoing.
Fig. 5 (a) and Fig. 5 (b) is the figure of the photometric distribution for illustration of photometric distribution in the past and present embodiment.Fig. 5 (a) represents the photometric distribution of lighting device in the past, and Fig. 5 (b) represents the photometric distribution of the lighting device of present embodiment.
Be configured with the lighting device in the past of the identical light emitting module of the configuration of luminescent coating as shown in Fig. 5 (a), be especially near 20 degree ~ 30 degree in vertical angle, the luminosity of white and light bulb color is different.
On the other hand, be arranged alternately with the lighting device 11 of the present embodiment of the configuration of luminescent coating 37a and luminescent coating 37b different light emitting module 13a and light emitting module 13b as shown in Fig. 5 (b), the luminosity of white and light bulb color is identical.
As mentioned above, the lighting device 11 of present embodiment is by making the configuration of luminescent coating 37a and luminescent coating 37b possess the circumferential direction alternately configuration of symmetric light emitting module 13a and light emitting module 13b along baseplate part 21, more specifically, be circular and alternately configuration at substantially equal intervals by light emitting module 13a and light emitting module 13b along the circumferential direction of baseplate part 21, thus make to become equal from the photometric distribution of lighting device 11 outgoing.
Thus, lighting device according to the present embodiment, multiplely has multiple photochromic light source even if possess, also can improve colour mixture performance.
In addition, in present embodiment, the light emitting module 13a different to the configuration of luminescent coating 37a and luminescent coating 37b and light emitting module 13b is illustrated, but is not limited thereto.
Fig. 6 is the figure of another example for illustration of light emitting module.In addition, in figure 6, for the structure same with Fig. 2 (a) and Fig. 2 (b), mark identical symbol and omit the description.
Light emitting module 13c shown in Fig. 6 has electrode pad 38a, 38b, 39a and 39b respectively in the upside of substrate 34 and downside, and installs towards changing.Circumferential direction by making this light emitting module 13c reverse up and down along baseplate part 21 alternately configures, thus the different multiple light emitting module 13a of configuration without the need to arranging luminescent coating 37a and luminescent coating 37b and light emitting module 13b, just can improve colour mixture performance.
And, in present embodiment, the lighting device 11 configured in the circumferential direction by light emitting module 13a and light emitting module 13b is illustrated, but is not limited thereto.
Fig. 7 is the figure of another example for illustration of lighting device.In addition, in the figure 7, for the structure same with Fig. 3, mark identical symbol and omit the description.
As shown in Figure 7, lighting device 11a is on the baseplate part 21a of quadrangle, linearly and be alternately configured with light emitting module 13a and light emitting module 13b.In this kind of lighting device 11a, also can improve colour mixture performance.
Some embodiments of the present utility model are illustrated, but these embodiments are only illustration, are not intended the scope limiting utility model.The embodiment of these novelties can be implemented with other various forms, in the scope of purport not departing from utility model, can carry out various omission, replacement, change.In the scope that these embodiments and distortion thereof are included in utility model or purport, and be included in the scope with its equalization.
Accompanying drawing explanation
Fig. 1 is the profile of the lighting device of an embodiment.
Fig. 2 (a) and Fig. 2 (b) represents that light source configures the figure of the structure of different light emitting modules.
Fig. 3 is the bottom view of the state being configured with light emitting module in the apparatus body of lighting device.
Fig. 4 is the profile of light emitting module.
Fig. 5 (a) and Fig. 5 (b) is the figure of the photometric distribution for illustration of photometric distribution in the past and present embodiment.
Fig. 6 is the figure of another example for illustration of light emitting module.
Fig. 7 is the figure of another example for illustration of lighting device.
[explanation of symbol]
11,11a: lighting device
12: apparatus body
13a, 13b, 13c: light emitting module
14: reflector
15: translucent cover
16: reflection box
21,21a: baseplate part
22: cylinder portion
23: resettlement section
24: irradiate opening
25: light emitting module configuration section
26: depressed part
29: wiring hole
30: radiating fin
34: substrate
35:LED element
36: enclosure
37a, 37b: luminescent coating
38a, 38b, 39a, 39b: electrode pad
42: surface element
43: reflecting drum portion
44: reflecting surface
51: reflection face
52: edge
Claims (4)
1. a lighting device, is characterized in that, comprising:
1st light emitting module, the 2nd wavelength conversion layer possessing semiconductor light-emitting elements, be configured in the 1st wavelength conversion layer on described semiconductor light-emitting elements and be configured on described semiconductor light-emitting elements;
2nd light emitting module, possesses described semiconductor light-emitting elements, described 1st wavelength conversion layer and described 2nd wavelength conversion layer, and the configuration of described 1st wavelength conversion layer and described 2nd wavelength conversion layer and described 1st light emitting module have symmetry;
Apparatus body, is provided with light resource installing section at lower surface, is mounted alternately with described 1st light emitting module and described 2nd light emitting module in described light resource installing section; And
Reflector, controls the light from described 1st light emitting module and described 2nd light emitting module outgoing.
2. lighting device according to claim 1, is characterized in that,
Described 1st light emitting module and described 2nd light emitting module are alternately configuration circularly.
3. lighting device according to claim 1, is characterized in that,
Described 1st light emitting module and described 2nd light emitting module be alternately configuration linearly.
4. lighting device according to claim 1, is characterized in that,
Have multiple modifiable installation towards the 3rd light emitting module,
Described multiple 3rd light emitting module alternately changes to be installed towards and is arranged in described light resource installing section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014060705A JP2015185367A (en) | 2014-03-24 | 2014-03-24 | Illuminating device |
| JP2014-060705 | 2014-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204284979U true CN204284979U (en) | 2015-04-22 |
Family
ID=52868135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420542069.2U Expired - Fee Related CN204284979U (en) | 2014-03-24 | 2014-09-19 | Lighting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2015185367A (en) |
| CN (1) | CN204284979U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI567854B (en) * | 2015-08-06 | 2017-01-21 | 辛耘企業股份有限公司 | Indicator device of pipe orifice and substrate treatment apparatus |
| CN108386732A (en) * | 2015-07-06 | 2018-08-10 | 扬州艾笛森光电有限公司 | Light emitting module and head lamp with this light emitting module |
| CN110121773A (en) * | 2017-06-27 | 2019-08-13 | 首尔半导体株式会社 | Light emitting device |
-
2014
- 2014-03-24 JP JP2014060705A patent/JP2015185367A/en active Pending
- 2014-09-19 CN CN201420542069.2U patent/CN204284979U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386732A (en) * | 2015-07-06 | 2018-08-10 | 扬州艾笛森光电有限公司 | Light emitting module and head lamp with this light emitting module |
| CN108386732B (en) * | 2015-07-06 | 2019-09-10 | 扬州艾笛森光电有限公司 | Light emitting module and head lamp with this light emitting module |
| TWI567854B (en) * | 2015-08-06 | 2017-01-21 | 辛耘企業股份有限公司 | Indicator device of pipe orifice and substrate treatment apparatus |
| CN110121773A (en) * | 2017-06-27 | 2019-08-13 | 首尔半导体株式会社 | Light emitting device |
| CN110676247A (en) * | 2017-06-27 | 2020-01-10 | 首尔半导体株式会社 | Light emitting device |
| CN110676247B (en) * | 2017-06-27 | 2023-11-03 | 首尔半导体株式会社 | Light emitting device |
| CN110121773B (en) * | 2017-06-27 | 2023-11-21 | 首尔半导体株式会社 | light emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015185367A (en) | 2015-10-22 |
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| 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: 20150422 Termination date: 20170919 |