CN103000621B - Multi-groove type light-emitting device - Google Patents
Multi-groove type light-emitting device Download PDFInfo
- Publication number
- CN103000621B CN103000621B CN201110266793.8A CN201110266793A CN103000621B CN 103000621 B CN103000621 B CN 103000621B CN 201110266793 A CN201110266793 A CN 201110266793A CN 103000621 B CN103000621 B CN 103000621B
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- drop
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- pedestal
- groove type
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- 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
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- 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
Abstract
The present invention discloses a kind of multi-groove type light-emitting device, comprise pedestal, blue light emitting unit, at least two red light-emitting unit, light conversion layer and lens, pedestal has drop-center and is symmetricly set at least dual side-edge groove outside drop-center, blue light emitting unit is arranged in drop-center, two red light-emitting unit respectively correspondence are arranged in dual side-edge groove, light conversion layer covers blue light emitting unit, and lens projection is on pedestal, and involution drop-center and at least dual side-edge groove; Increase the light extraction efficiency of LED chip by this, and can improving product yield, reduce overall package time and cost.
Description
Technical field
The present invention relates to a kind of light-emitting device, particularly a kind of multi-groove type light-emitting device sending warm white light.
Background technology
Light-emitting diode (LightEmittingDiode, LED) because of have low power consuming, power saving, long service life, volume little, react the advantages characteristic such as fast, therefore replace traditional tungsten lamp, fluorescent lamp or mercury vapor lamp gradually and be widely used on various light fixture.
Please refer to shown in Fig. 1 and Fig. 2, be respectively floor map and the phantom of existing LED light module, this LED light module 1a comprises a substrate 10a, multiple LED chip 20a (such as blue-light LED chip 20a), fluorescent glue 30a such as (yellow fluorescent glue 30a) and multiple lens 40a, this substrate 10a is provided with the multiple groove 11a in arrayed, those LED chips 20a respectively correspondence is arranged in the plurality of groove 11a, separately a fluorescent glue 30a is filled in this groove 11a, send required photochromic in order to coated those LED chips 20a, last again by lens 40a connecting shaping on this fluorescent glue 30a and LED chip 20a, with each LED chip 20a of involution, and the luminous efficiency of this LED chip 20a is promoted via these lens 40a, to provide white light source.
In said structure, because those lens 40a need be combined on this LED chip 20a respectively, therefore increase overall built-up time and cost, in addition, those grooves 11a to offer quantity many and intensive, thus need larger substrate area, affect the intensity of this substrate 10a, easily make this substrate 10a produce cracked, and then reduce product yield.
Summary of the invention
An object of the present invention, is to provide a kind of multi-groove type light-emitting device, to increase the light extraction efficiency of LED chip, and improving product yield, reduce overall package time and cost.
To achieve the above object, the invention provides a kind of multi-groove type light-emitting device, comprise pedestal, blue light emitting unit, at least two red light-emitting unit, light conversion layer and lens, pedestal has drop-center and is symmetricly set at least dual side-edge groove outside drop-center, blue light emitting unit is arranged in drop-center, at least two red light-emitting unit respectively correspondence are arranged in side grooves, light conversion layer covers blue light emitting unit, lens projection is on pedestal, and involution drop-center and at least dual side-edge groove.
To achieve the above object, the present invention also provides a kind of multi-groove type light-emitting device, comprise pedestal, red light-emitting unit, at least two blue light emitting unit, light conversion layer and lens, pedestal has drop-center and is symmetricly set at least dual side-edge groove outside drop-center, red light-emitting unit is arranged in drop-center, at least two blue light emitting unit respectively correspondence are arranged in dual side-edge groove, light conversion layer covers blue light emitting unit, lens projection is on pedestal, and involution drop-center and at least dual side-edge groove.
To achieve the above object, the present invention also provides a kind of multi-groove type light-emitting device, comprise pedestal, the first luminescence unit and at least two the second luminescence units, pedestal has drop-center and is symmetricly set at least dual side-edge groove outside drop-center, drop-center and the area set by side grooves account for more than 50% of the area of pedestal, first luminescence unit is arranged in drop-center, and two the second luminescence units respectively correspondence are arranged at least in dual side-edge groove.
Another object of the present invention, is to provide a kind of multi-groove type light-emitting device, when using ceramic material as pedestal, its drop-center and the spacing respectively between this side grooves are more than 0.5mm, use and maintain pedestal intensity, avoid substrate to produce cracked, and improve product yield.
Compared to prior art, light-emitting device of the present invention is on pedestal, be provided with at least three grooves, and blue-light LED chip and red LED chip are separately positioned in each groove, and the glue-line that its blue-light LED chip can cover containing yellow or green emitting phosphor, accordingly to send the light of warm white, because red LED chip is not coated with fluorescent adhesive layer, therefore the light extraction efficiency of unlikely reduction red LED chip, and then improve the overall light extraction efficiency of light-emitting device, moreover, be integral type ground involution drop-center and at least dual side-edge groove because of lens, therefore do not need involution out of the ordinary, and then the group reducing light-emitting device establishes man-hour and time, and the holistic cost of product can be reduced, efficient lighting area is minimized so that follow-up secondary optical design, increase practicality of the present invention.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the plane formula intention of existing LED light module;
The phantom of the existing LED light module of Fig. 2;
Fig. 3 is the floor map of multi-groove type light-emitting device of the present invention;
Fig. 4 is the cutaway view of multi-groove type light-emitting device of the present invention;
Fig. 5 is another embodiment of multi-groove type light-emitting device of the present invention;
Fig. 6 is another embodiment of multi-groove type light-emitting device of the present invention.
Wherein, Reference numeral
1aLED light emitting module
10a substrate 11a groove
20aLED chip 30a fluorescent glue
40a transmissive mirror
1 light-emitting device
10 pedestal 11 drop-centers
12 side grooves 13 conductive through holes
14 internal layer circuit 15 electric connection pads
20 first LED chip 30 second LED chips
40 light conversion layer 50 lens
1 ' light-emitting device
10 ' pedestal 11 ' drop-center
12 ' side grooves 20 ' first LED chip
30 ' second LED chip 40 ' light conversion layer
50 ' lens
Embodiment
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but appended accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Please refer to Fig. 3 and Fig. 4, be respectively floor map and the cutaway view of multi-groove type light-emitting device of the present invention; Multi-groove type light-emitting device 1 of the present invention comprises pedestal 10,1 first luminescence unit 20, at least two second luminescence unit 30, light conversion layers 40 and lens 50.
This pedestal 10 has a drop-center 11 and is symmetricly set at least dual side-edge groove 12 outside this drop-center 11.This pedestal 10 can be set to a base of ceramic, and has multiple conductive through hole 13 and an internal layer circuit 14, not as limit during actual enforcement.
In the present embodiment, this first luminescence unit 20 is blue light emitting unit, respectively this second luminescence unit 30 is red light-emitting unit, this drop-center 11 and the plurality of side grooves 12 are roughly in oblong shape, this drop-center 11 and the spacing respectively between this side grooves 12 are more than 0.5mm, in addition, this drop-center 11 and the area set by the plurality of side grooves 12 are more than 50% of the areas accounting for this pedestal 10.
This first luminescence unit 20 is arranged in this drop-center 11, and these two the second luminescence units 30 respectively correspondence are arranged in two side grooves 12.This first luminescence unit 20 (blue light emitting unit) and the plurality of second luminescence unit 30 (red light-emitting unit) are electrically conducted via those conductive through holes 13 and internal layer circuit 14, and are formed with multiple electric connection pad 15 in this substrate 10 bottom surface.In the present embodiment, this blue light emitting unit be arranged in this drop-center 11 is blue LED die array (LEDchiparray); The red light-emitting unit being separately positioned on this blue light emitting unit two outer side edges can be respectively red LED chips array.
This light conversion layer 40 is the glue-line containing yellow or green emitting phosphor, this light conversion layer 40 covers this first luminescence unit 20 (blue light emitting unit), as yttrium-aluminium-garnet (Yttriumaluminiumgarnet, YAG) is wherein a kind of yellow fluorescent powder.The first luminescence unit 20 (blue light emitting unit) being coated with this light conversion layer 40 converges the rear light producing warm white with those second luminescence units 30 (red light-emitting unit), and the reference color temperature system of this warm white light is between 2700K to 4000K.
These lens 50 be projection on the base, with this drop-center 11 of involution and this at least dual side-edge groove 12, these lens 50 are made up of materials such as resin, silica gel or epoxy resin, and add diffusant in lens material, it is that nature is shaped to a lens kenel, in order to increasing bright dipping and mixing the light that this first luminescence unit 20 (blue light emitting unit) and those the second luminescence units 30 (red light-emitting unit) send.
Please continue with reference to Fig. 5, be another embodiment of multi-groove type light-emitting device of the present invention; The place that Fig. 5 and Fig. 4 is different is that this blue light emitting unit 20 covers crystalline substance (FlipChip) mode and is combined in this drop-center 11.
It should be noted that this blue light emitting unit can with this red light-emitting unit phase double replacement, that is this first luminescence unit 20 is red light-emitting unit, and respectively this second luminescence unit 30 is blue light emitting unit.This red light-emitting unit is arranged in this drop-center 11, on the other hand, then blue light emitting unit has been installed respectively in those side grooves 12, and light conversion layer 40 is filled respectively in this side grooves 12, this light conversion layer 40 is to should blue light emitting unit and arranging, for covering this blue light emitting unit, then with this drop-center 11 of lens 50 involution and side grooves 12, complete the setting of this light-emitting device 1 accordingly.
Please, separately with reference to Fig. 6, be another embodiment of multi-groove type light-emitting device of the present invention; The present embodiment is roughly the same with the first embodiment, and light-emitting device 1 ' comprises a pedestal 10 ', one first luminescence unit 20 ' (blue light emitting unit), at least four the second luminescence units 30 ' (red light-emitting unit), a light conversion layer 40 ' and lens 50 '.In the present embodiment, this pedestal 10 ' has a drop-center 11 ' and four side grooves 12 ', those side grooves 12 ' are the outsides that ring is located at this drop-center 11 ', wherein, be provided with the second luminescence unit 30 ' in each side grooves 12 ', and each second luminescence unit 30 ' (red light-emitting unit) comprises the red LED chip of multiple serial connection, this red light-emitting unit also can be replaced by red LED array.
It is worth mentioning that, when light-emitting device 1,1 ' of the present invention uses, the quantity of the second luminescence unit 30 ' and this first luminescence unit 20 ' arranges and positional alignment is neither construed as limiting, to be adjusted to required brightness and colour temperature.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (19)
1. a multi-groove type light-emitting device, is characterized in that, comprising:
One pedestal, comprises a bottom surface, a drop-center and is symmetricly set at least dual side-edge groove outside this drop-center;
One first luminescence unit, is arranged in this drop-center;
At least two the second luminescence units, correspondence is arranged on this at least in dual side-edge groove respectively;
Multiple electric connection pad is arranged on this bottom surface;
One light conversion layer, covers this first luminescence unit; And
One lens, projection is on the base and away from this bottom surface, and this drop-center of involution and this at least dual side-edge groove, this pedestal has multiple conductive through hole and an internal layer circuit, and this first luminescence unit and those the second luminescence units are electrically conducted via the plurality of conductive through hole and this internal layer circuit.
2. multi-groove type light-emitting device according to claim 1, is characterized in that, this pedestal is a base of ceramic.
3. multi-groove type light-emitting device according to claim 1 and 2, it is characterized in that, this pedestal has four side grooves, those side grooves rings are located at the outside of this drop-center, this drop-center and those side grooves are oblong shape, and this drop-center and the spacing respectively between this side grooves are more than 0.5mm.
4. multi-groove type light-emitting device according to claim 1, is characterized in that, this drop-center and the area set by those side grooves account for more than 50% of the area of this pedestal.
5. multi-groove type light-emitting device according to claim 1, it is characterized in that, this first luminescence unit is blue LED die array, respectively this second luminescence unit is red LED chips array, and the reference color temperature after the light that this first luminescence unit and those the second luminescence units send converges is between 2700K to 4000K.
6. multi-groove type light-emitting device according to claim 1, is characterized in that, this light conversion layer contains yellow or green emitting phosphor, and this yellow fluorescent powder is yttrium-aluminium-garnet.
7. a multi-groove type light-emitting device, is characterized in that, comprising:
One pedestal, comprises a bottom surface, a drop-center and is symmetricly set at least dual side-edge groove outside this drop-center;
One first luminescence unit, is arranged in this drop-center;
At least two the second luminescence units, correspondence is arranged on this at least in dual side-edge groove respectively;
Multiple electric connection pad is arranged on this bottom surface;
At least two light conversion layers, corresponding those second light-emitting components of covering; And
One lens, projection is on the base and away from this bottom surface, and this drop-center of involution and this at least dual side-edge groove, this pedestal has multiple conductive through hole and an internal layer circuit, and those first luminescence units and this second luminescence unit are electrically conducted via the plurality of conductive through hole and this internal layer circuit.
8. multi-groove type light-emitting device according to claim 7, is characterized in that, this pedestal is a base of ceramic.
9. the multi-groove type light-emitting device according to claim 7 or 8, it is characterized in that, this pedestal has four side grooves, those side grooves rings are located at the outside of this drop-center, this drop-center and those side grooves are oblong shape, and this drop-center and the spacing respectively between this side grooves are more than 0.5mm.
10. multi-groove type light-emitting device according to claim 7, is characterized in that, this drop-center and the area set by those side grooves account for more than 50% of the area of this pedestal.
11. multi-groove type light-emitting devices according to claim 7, it is characterized in that, respectively this second luminescence unit is blue LED die array, and the reference color temperature after the light that this first luminescence unit and those the second luminescence units send converges is between 2700K to 4000K.
12. multi-groove type light-emitting devices according to claim 7, it is characterized in that, those light conversion layers contain yellow or green emitting phosphor, and this yellow fluorescent powder is yttrium-aluminium-garnet.
13. 1 kinds of multi-groove type light-emitting devices, is characterized in that, comprising:
One pedestal, comprise a bottom surface, a drop-center and be symmetricly set at least dual side-edge groove outside this drop-center, this drop-center and the area set by those side grooves account for more than 50% of the area of this pedestal;
One first luminescence unit, is arranged in this drop-center;
At least two the second luminescence units, correspondence is arranged on this at least in dual side-edge groove respectively;
Multiple electric connection pad is arranged on this bottom surface; And
One lens, projection is on the base and away from this bottom surface, and this drop-center of involution and this at least two side faces groove, this pedestal has multiple conductive through hole and an internal layer circuit, and those first luminescence units and this second luminescence unit are electrically conducted via the plurality of conductive through hole and this internal layer circuit.
14. multi-groove type light-emitting devices according to claim 13, is characterized in that, also comprise a light conversion layer, and this first luminescence unit is blue light emitting unit, and respectively this second luminescence unit is red light-emitting unit, and this light conversion layer covers this first luminescence unit.
15. multi-groove type light-emitting devices according to claim 13, it is characterized in that, also comprise at least two light conversion layers, and this first luminescence unit is red light-emitting unit, respectively this second luminescence unit is blue light emitting unit, and those light conversion layers cover those the second luminescence units.
16. multi-groove type light-emitting devices according to claim 13, is characterized in that, this pedestal is a base of ceramic.
17. according to claim 13 to the multi-groove type light-emitting device described in any one in 16, it is characterized in that, this pedestal has four side grooves, those side grooves rings are located at the outside of this drop-center, this drop-center and those side grooves are oblong shape, and this drop-center and the spacing respectively between this side grooves are more than 0.5mm.
18. multi-groove type light-emitting devices according to claims 14 or 15, it is characterized in that, this blue light emitting unit is blue LED die array, this red light-emitting unit is red LED chips array, and the reference color temperature after the light that this first luminescence unit and those the second luminescence units send converges is between 2700K to 4000K.
19. multi-groove type light-emitting devices according to claims 14 or 15, it is characterized in that, this light conversion layer contains yellow or green emitting phosphor, and this yellow fluorescent powder is yttrium-aluminium-garnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266793.8A CN103000621B (en) | 2011-09-09 | 2011-09-09 | Multi-groove type light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266793.8A CN103000621B (en) | 2011-09-09 | 2011-09-09 | Multi-groove type light-emitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103000621A CN103000621A (en) | 2013-03-27 |
| CN103000621B true CN103000621B (en) | 2016-02-17 |
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| CN201110266793.8A Active CN103000621B (en) | 2011-09-09 | 2011-09-09 | Multi-groove type light-emitting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106783824A (en) * | 2017-01-10 | 2017-05-31 | 深圳市耀铭豪智能科技有限公司 | A kind of full spectrum light source of health and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839403A (en) * | 2009-03-19 | 2010-09-22 | 英特明光能股份有限公司 | AC-driven light emitting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001144331A (en) * | 1999-09-02 | 2001-05-25 | Toyoda Gosei Co Ltd | Light-emitting device |
| JP4654670B2 (en) * | 2003-12-16 | 2011-03-23 | 日亜化学工業株式会社 | Light emitting device and manufacturing method thereof |
| CN200979881Y (en) * | 2006-11-23 | 2007-11-21 | 宁波安迪光电科技有限公司 | A light source device of a strong power LED and lamps with such light source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839403A (en) * | 2009-03-19 | 2010-09-22 | 英特明光能股份有限公司 | AC-driven light emitting device |
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| CN103000621A (en) | 2013-03-27 |
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Effective date of registration: 20170508 Address after: Hsinchu City, Taiwan, China Patentee after: Jingyuan Optoelectronics Co., Ltd. Address before: China Taiwan Taoyuan County Patentee before: Intematix Technology Ct Corp. |