CN207425908U - A kind of ultraviolet LED encapsulating structure - Google Patents
A kind of ultraviolet LED encapsulating structure Download PDFInfo
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- CN207425908U CN207425908U CN201721480082.XU CN201721480082U CN207425908U CN 207425908 U CN207425908 U CN 207425908U CN 201721480082 U CN201721480082 U CN 201721480082U CN 207425908 U CN207425908 U CN 207425908U
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- lens
- layer
- encapsulating structure
- stent
- ultraviolet led
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- 239000010410 layer Substances 0.000 claims abstract description 90
- 239000008393 encapsulating agent Substances 0.000 claims abstract description 29
- 239000012790 adhesive layer Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 description 46
- 238000005538 encapsulation Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910018557 Si O Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910008284 Si—F Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Abstract
A kind of ultraviolet LED encapsulating structure, including：Stent, cavity, LED chip, encapsulant layer, adhesive layer and lens, between the stent and lens, the LED chip is packaged the cavity in the inside cavity, the stent with lens by adhesive layer, it is characterised in that：The centre of sphere of the lens is in the upper surface center normal direction movement of the stent.
Description
Technical field
The utility model is related to technical field of semiconductors, more particularly to a kind of ultraviolet LED encapsulating structure.
Background technology
Light emitting diode（English abbreviation LED）, it is a kind of solid semiconductor luminescent device.With the development of LED technologies,
The module wave band of LED gradually develops toward near ultraviolet even deep ultraviolet direction.As is well known, ultraviolet LED is as new generation of green light
Source has many merits such as light efficiency height, long lifespan, energy-saving and environmental protection, and application field is more and more extensive, such as indoor and outdoor disinfection, the back of the body
Light source, UV printings, medical treatment, food and drink, plant growth etc..But currently ultraviolet（UV）LED encapsulation structure, particularly deep ultraviolet
（DUV）LED encapsulation structure is generally encapsulated using full-inorganic, and the light of such encapsulating structure enters air after chip outgoing, so
Afterwards the external world is transmitted to using materials such as quartz glass.Entire light path has multiple optically denser medium to optically thinner medium, and interface
It is planar structure, therefore there are very big total reflection phenomenon, very big influence is caused to light extraction efficiency.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of ultraviolet LED encapsulating structure.
It is according to the present utility model in a first aspect, a kind of ultraviolet LED encapsulating structure, including：Stent, cavity, LED chip,
Encapsulant layer, adhesive layer and lens, the cavity is between the stent and lens, and the LED chip is in described
Inside cavity, the stent are packaged with lens by adhesive layer, it is characterised in that：The adhesive layer is multilayered structure, and
The material of at least one layer of structure of the adhesive layer and the material identical of encapsulant layer.
Preferably, the adhesive layer is at least three-decker, including：The first layer contacted with the lens and the branch
The second layer that bridge joint touches and the third layer between first layer and the second layer.
Preferably, the adhesive layer is at least five-layer structure, including：The 4th layer between first layer and third layer,
And the layer 5 between the second layer and third layer.
Preferably, the adhesive layer includes discontinuity layer.
Preferably, the encapsulant layer contains F elements either Si-F C-F keys or Si-O keys or C-C keys or methyl
Or phenyl.
Preferably, the encapsulant layer is liquid.
Preferably, the refractive index of the encapsulant layer is between 1.3 ~ 1.6.
Preferably, the encapsulant layer is more than 80% in the transmissivity of 260 ~ 320nm wave bands.
Preferably, the encapsulant layer coats the LED chip.
Preferably, the stent includes bowl structure.
Preferably, the bowl structure is integrally formed with stent or bowl structure is molded with stent to be independent.
Preferably, the centre of sphere of the lens is in the upper surface center normal direction movement of stent.
Preferably, the centre of sphere of the lens is located at the inside cavity.
Preferably, the centre of sphere of the lens is located at the lower surface of the lens.
Preferably, the centre of sphere of the lens is located at the upper surface of the stent.
Preferably, the centre of sphere of the lens is located at the upper surface of the LED chip either lower surface or inside.
Preferably, the centre of sphere of the lens is located at the upper surface of the encapsulant layer either lower surface or inside.
Preferably, the lens contain the cavity of an indent.
Preferably, the outer surface of the lens includes a cambered surface part, and the part that the cambered surface part is spherical surface.
Preferably, the lens include baseplane layer.
Second aspect according to the present utility model, a kind of ultraviolet LED encapsulating structure, including：Stent, cavity, LED chip,
Encapsulant layer, adhesive layer and lens, the cavity is between the stent and lens, and the LED chip is in described
Inside cavity, the stent are packaged with lens by adhesive layer, it is characterised in that：The centre of sphere of the lens is in the stent
The movement of upper surface center normal direction.
Preferably, the centre of sphere of the lens is located at the inside cavity.
Preferably, the centre of sphere of the lens is located at the lower surface or inside of the lens.
Preferably, the centre of sphere of the lens is located at the upper surface of the stent.
Preferably, the centre of sphere of the lens is located at the upper surface of the LED chip either lower surface or inside.
Preferably, the centre of sphere of the lens is located at the upper surface of the encapsulant layer either lower surface or inside.
Preferably, the lens contain the cavity of an indent.
Preferably, the outer surface of the lens includes a cambered surface part, and the part that the cambered surface part is spherical surface.
Preferably, the lens include baseplane layer.
Preferably, the encapsulant layer coats the LED chip.
Preferably, the adhesive layer is multilayered structure.
Compared with prior art, a kind of ultraviolet LED encapsulating structure provided by the utility model is imitated including at least following technology
Fruit：
（1）By the lens of the cavity containing an indent, and encapsulant layer is additionally provided between lens and LED chip,
Light extraction efficiency is greatly improved, compared with Conventional UV LED encapsulation structure, light efficiency promotes amplitude and reaches more than 30%；
（2）Adhesive layer between lens and stent is enhanced adhesion and leakproofness, is promoted encapsulating structure using multilayered structure
Reliability；
（3）The sphere center position of lens can be moved in the upper surface center normal direction of stent, by regulating and controlling the centre of sphere
Position, can cause light emitting angle holding be basically unchanged, maintain the uniformity of encapsulating structure.It, can when encapsulated space is smaller
To select the lens of the centre of sphere on the lower；When having enough encapsulated spaces, lens that the centre of sphere can be selected higher, to reach higher bright
Degree.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through
Specifically noted structure is realized and obtained in specification, claims and attached drawing.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment for explaining the utility model, does not form the limitation to the utility model together.In addition, attached drawing data are
Summary is described, is not drawn to scale.
Fig. 1 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 1；
Fig. 2 is the partial enlarged view of the adhesive layer 50 in Fig. 1；
Fig. 3 is another deformation of 50 structure of adhesive layer in Fig. 2；
Fig. 4 is another deformation of 50 structure of adhesive layer in Fig. 2；
Fig. 5 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 2；
Fig. 6 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 3；
Fig. 7 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 4；
Fig. 8 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 5；
Fig. 9 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 6；
Figure 10 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 7；
Figure 11 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 8；
Figure 12 is the diagrammatic cross-section of the ultraviolet LED encapsulating structure of embodiment 9.
Each label represents as follows in figure：10：Stent；11：Bowl structure；20：Cavity；30：LED chip；40：Packing material
Layer；50：Adhesive layer；51：First material layer；52：Second material layer；53：3rd material layer；54：4th material layer；55：5th
Material layer；60：Lens；61：The centre of sphere；62：Baseplane layer.
Specific embodiment
The ultraviolet LED encapsulating structure of the utility model is described in detail with reference to schematic diagram, is further being situated between
It continues before the utility model, it should be understood that due to can be transformed to specific embodiment, the utility model is not
It is limited to following specific embodiments.It is also understood that since the scope of the utility model is only defined by the following claims,
Used embodiment is introductory rather than restricted.
It should be appreciated that purpose rather than purport of the term used in the utility model merely for description specific embodiment
In limitation the utility model.As used in the utility model, singulative "a", "an" and "the" is also intended to including multiple
Number form formula, in addition to context clearly illustrates.It is to be further understood that work as in the utility model using term "comprising", " bag
Include ", " containing " when, for showing the feature of statement, entirety, step, operation, the presence of element, and/or packaging part, without arranging
Except the presence or increase of other one or more features, entirety, step, operation, element, packaging part, and/or combination thereof.
Unless defined otherwise, all terms used in the utility model（Including technical term and scientific terminology）Have
The meaning identical with the meaning that the utility model those of ordinary skill in the art are generally understood.It is to be further understood that this
Term used in utility model should be understood to have with these terms in the context and association area of this specification
Meaning consistent meaning, and should not being understood with the meaning of idealization or overly formal, except in the utility model clearly so
Outside definition.
Embodiment 1
As illustrated in fig. 1 and 2, the present embodiment provides a kind of ultraviolet LED encapsulating structure, including：Stent 10, cavity 20, LED
Chip 30, encapsulant layer 40, adhesive layer 50 and lens 60, the cavity 20 between the stent 10 and lens 60,
The LED chip 30 is located inside the cavity 20, and the stent 10 is packaged with lens 60 by adhesive layer 50, described viscous
Knot layer is multilayered structure, and the material of at least one layer of structure of the adhesive layer and the material identical of encapsulant layer.
The stent 10 can select the insulating materials for including such as ceramic material.Ceramic material is included by cofiring simultaneously
Low-temperature co-fired ceramics (LTCC) or high-temperature co-fired ceramics (HTCC).The material of main part of stent 10 can be AIN, and can be with
It is by having the metal nitride of 140 W/ (mK) or higher thermal conductivity to be formed.
The LED chip 30, is placed on stent 10, and wavelength can be specifically long between 200 ~ 380nm
Ripple (code name UV-A, 315 ~ 380nm of wavelength), medium wave (UV-B, 280 ~ 315nm), shortwave (UV-C, 200 ~ 280nm), emission wavelength
It can need to select according to practical use, such as surface disinfection, surface cure etc.；The number of UV LED chip can be with
It is selected according to factors such as power demands, difference can also be selected in same ultraviolet LED encapsulating structure according to different purposes
The UV LED chip of wavelength or arrange in pairs or groups at least one UV LED chip and other wavelength chips.
The encapsulant layer 40, coats LED chip 30, and encapsulant layer can contain F elements either Si-F or C-F
Key or Si-O keys or C-C keys or methyl or phenyl, preferably comprise F elements；Encapsulant layer is liquid, such as water, silicon fluid etc.；It fills out
The refractive index of material layer is filled between 1.3 ~ 1.6, and the transmissivity for being preferable over 260 ~ 320nm wave bands is more than 80%.
The lens 60, the light transmittance being preferable between 260 ~ 320nm is more than 80%, on encapsulant layer 40；
Lens contain the cavity of an indent, provide the space for placing LED chip；The outer surface of lens, including a cambered surface part, and should
Cambered surface part is a part for spherical surface, i.e. the distance of surface each point to the centre of sphere 61 is identical, such as hemisphere face；The centre of sphere 61 of lens,
Positioned at the upper surface of the cavity 20, further, positioned at the lower surface of the lens, while encapsulant layer 40 also is located at
Upper surface.
As shown in Fig. 2, there is adhesive layer 50 between the substrate and lens, which is three-decker, comprising respectively with lens
The first material layer 51 good with stent tackness and second material layer 52 and with the encapsulant layer material identical in cavity
3rd material layer 53.The first material layer 51 and 52 adhesive force of second material layer wherein contacted respectively with lens and stent is preferably big
5 μm are preferably more than in or equal to 2MPa, the thickness of the 3rd material layer 53.The material of first material layer 51 and second material layer 52
It is preferred that the material containing silica gel, and it is mixed with polar group and non-polar group, such as priming paint in the end of molecular structure；3rd material
The material of layer 53 is preferably identical with encapsulant layer 40, such as fluororesin containing F or liquid such as water, silicon fluid etc..
As shown in figure 3, adhesive layer 50 can also be five-layer structure, including：Between 51 and the 3rd material layer of first material layer
The 4th material layer 54 between 53 and the 5th material layer 55 between 52 and the 3rd material layer 53 of second material layer.The
Four material layers 54 are mainly used for enhancing the adhesion of first material layer and the 3rd material layer；5th material layer 55 mainly will
For enhancing the adhesion of second material layer and the 3rd material layer.4th material layer 54 and the 5th material layer 55 can select molecule
Structure end contains-COOH ,-H, the fluororesin of unsaturated bond or grease type material, such as the SP-120 of Nusil companies, the material
Material is also applied for first material layer 51 and second material layer 52.
As shown in figure 4, can include discontinuity layer in adhesive layer 50, such as the 3rd material layer 53 is discontinuity layer.
Ultraviolet LED encapsulating structure provided in this embodiment, by the lens of the cavity containing an indent, and lens with
Encapsulant layer is additionally provided between LED chip, has greatly improved light extraction efficiency, promoting amplitude compared with conventional structure reaches
More than 30%；Adhesive layer between lens and stent is using multilayered structure, and more adhesion and leakproofness improve encapsulation knot
The reliability of structure.
Embodiment 2
As shown in figure 5, as different from Example 1, the cavity of the indent of the lens 60 of the present embodiment, lower surface is near
Hemisphere face contributes to improving extraction efficiency.In addition, the centre of sphere 61 of the present embodiment lens, positioned at the inside of the cavity 20, into one
Step ground, positioned at the inside of encapsulant layer 50.
Embodiment 3
As shown in fig. 6, as different from Example 1, the centre of sphere 61 of the lens of the present embodiment, under the cavity 20
Surface, further, positioned at the lower surface of LED chip 30.
Embodiment 4
As shown in fig. 7, as different from Example 1, the centre of sphere 61 of the lens of the present embodiment, under the cavity 20
Surface, further, positioned at the upper surface of LED chip 30, while positioned at the lower surface of encapsulant layer 50.
Embodiment 5
As shown in figure 8, as different from Example 1, the centre of sphere 61 of the lens of the present embodiment, in the lens 60
Portion.
It was found from 1 ~ embodiment of embodiment 5,61 position of the centre of sphere of lens can be in the upper surface center method of stent 10
It moves in line direction.Although the position of the centre of sphere 61 is different, the light emitting angle of ultraviolet LED encapsulating structure can be kept substantially not
Become, maintain the uniformity of encapsulating structure.When encapsulated space is smaller, the lens of the centre of sphere on the lower can be selected；There are enough encapsulation
During space, lens that the centre of sphere can be selected higher, to reach higher brightness.It should be added that the centre of sphere of lens removes
It is located at the upper surface of LED chip or lower surface or positioned at the inside of LED chip.
Embodiment 6
As shown in figure 9, as different from Example 1, the stent of the present embodiment includes bowl structure 11, the bowl structure 11
The techniques such as punching press may be employed with stent 10 to be integrally formed, the space that bowl structure surrounds forms a cavity 20, for placing
LED chip 30 and package encapsulant layer 40.Bowl structure interior surface has certain angle of inclination, and there is reflection LED to send
Light function, help to improve the light extraction efficiency of LED encapsulation structure.
Embodiment 7
As shown in Figure 10, as different from Example 6, the lens 60 of the present embodiment are equipped with baseplane layer 62, and preferably
Lens 60 the centre of sphere 61 be located at baseplane layer 62 on.Baseplane layer 62 is added, is conducive to suction nozzle in potting process and holds
The layer so that picking and placeing for lens is more convenient, easier in technique.
Embodiment 8
As shown in figure 11, as different from Example 7, the lens centre of sphere 61 of the present embodiment is located at the upper surface of stent 10,
Simultaneously positioned at the lower surface of LED chip.
Embodiment 9
As shown in figure 12, as different from Example 6, the bowl structure 11 of the present embodiment and stent 10 are respectively independent add
Work is molded.The angle of inclination of bowl structure can need to be adjusted according to light emitting angle, in addition, the inner surface of bowl structure is also
Highly-reflective coating etc. can be added, to further enhance the luminous efficiency of encapsulating structure.
It should be appreciated that above-mentioned specific embodiment is only the part preferred embodiment of the utility model, implement above
Example can also carry out various combinations, deformation.The scope of the utility model is not limited to above example, all to be done according to the utility model
Any change, all belong to the scope of protection of the utility model within.
Claims (11)
1. a kind of ultraviolet LED encapsulating structure, including：Stent, cavity, LED chip, encapsulant layer, adhesive layer and lens, institute
Cavity is stated between the stent and lens, the LED chip passes through viscous in the inside cavity, the stent with lens
Knot layer is packaged, it is characterised in that：The centre of sphere of the lens is in the upper surface center normal direction movement of the stent.
2. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The centre of sphere of the lens is located at institute
State inside cavity.
3. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The centre of sphere of the lens is located at institute
State the lower surface or inside of lens.
4. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The centre of sphere of the lens is located at institute
State the upper surface of stent.
5. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The centre of sphere of the lens is located at institute
State the upper surface of LED chip either lower surface or inside.
6. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The centre of sphere of the lens is located at institute
State the upper surface of encapsulant layer either lower surface or inside.
7. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The lens contain an indent
Cavity.
8. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The outer surface of the lens includes
One cambered surface part, and the part that the cambered surface part is spherical surface.
9. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The lens include baseplane layer.
10. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The encapsulant layer coats institute
State LED chip.
11. a kind of ultraviolet LED encapsulating structure according to claim 1, it is characterised in that：The adhesive layer is multilayer knot
Structure.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721480082.XU CN207425908U (en) | 2017-11-08 | 2017-11-08 | A kind of ultraviolet LED encapsulating structure |
| JP2020524643A JP7130745B2 (en) | 2017-11-08 | 2018-11-01 | Ultraviolet LED package structure |
| PCT/CN2018/113516 WO2019091328A1 (en) | 2017-11-08 | 2018-11-01 | Ultraviolet led packaging structure |
| KR1020207014308A KR102334936B1 (en) | 2017-11-08 | 2018-11-01 | UV LED Packaging Structure |
| US16/761,915 US20210217936A1 (en) | 2017-11-08 | 2020-05-06 | Uv led device |
| US17/111,173 US11626547B2 (en) | 2017-11-08 | 2020-12-03 | UV LED device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721480082.XU CN207425908U (en) | 2017-11-08 | 2017-11-08 | A kind of ultraviolet LED encapsulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425908U true CN207425908U (en) | 2018-05-29 |
Family
ID=62308225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721480082.XU Active CN207425908U (en) | 2017-11-08 | 2017-11-08 | A kind of ultraviolet LED encapsulating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425908U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019091328A1 (en) * | 2017-11-08 | 2019-05-16 | 厦门市三安光电科技有限公司 | Ultraviolet led packaging structure |
| CN109888079A (en) * | 2019-01-22 | 2019-06-14 | 圆融光电科技股份有限公司 | A kind of deep-UV light-emitting diode encapsulation |
| WO2023272686A1 (en) * | 2021-07-01 | 2023-01-05 | 泉州三安半导体科技有限公司 | Light-emitting device |
| US11626547B2 (en) | 2017-11-08 | 2023-04-11 | Xiamen Sanan Optoelectronics Technology, Co., Ltd. | UV LED device |
-
2017
- 2017-11-08 CN CN201721480082.XU patent/CN207425908U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019091328A1 (en) * | 2017-11-08 | 2019-05-16 | 厦门市三安光电科技有限公司 | Ultraviolet led packaging structure |
| US11626547B2 (en) | 2017-11-08 | 2023-04-11 | Xiamen Sanan Optoelectronics Technology, Co., Ltd. | UV LED device |
| CN109888079A (en) * | 2019-01-22 | 2019-06-14 | 圆融光电科技股份有限公司 | A kind of deep-UV light-emitting diode encapsulation |
| WO2023272686A1 (en) * | 2021-07-01 | 2023-01-05 | 泉州三安半导体科技有限公司 | Light-emitting device |
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Effective date of registration: 20231027 Address after: Yuanqian village, Shijing Town, Nan'an City, Quanzhou City, Fujian Province Patentee after: QUANZHOU SAN'AN SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Address before: 361009 no.1721-1725, Luling Road, Siming District, Xiamen City, Fujian Province Patentee before: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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