CN201206803Y - Heat pipe radiator, high-power LED street lamp - Google Patents
Heat pipe radiator, high-power LED street lamp Download PDFInfo
- Publication number
- CN201206803Y CN201206803Y CNU2008200093082U CN200820009308U CN201206803Y CN 201206803 Y CN201206803 Y CN 201206803Y CN U2008200093082 U CNU2008200093082 U CN U2008200093082U CN 200820009308 U CN200820009308 U CN 200820009308U CN 201206803 Y CN201206803 Y CN 201206803Y
- Authority
- CN
- China
- Prior art keywords
- heat
- heat pipe
- pipe
- power led
- aluminium base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 239000004411 aluminium Substances 0.000 claims description 28
- 230000005855 radiation Effects 0.000 claims description 18
- 239000004519 grease Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract 6
- 239000000758 substrate Substances 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a lighting apparatus, in particular to a cooling device and a high-power LED street lamp; the heat pipe cooling device comprises a heat transfer plate, a heat pipe and a heat sink; the heat transfer plate is composed of a certain amount of aluminum substrate retaining plates, at least two intermediate retaining plates and heat pipe pressure plates, with all the plates stacked and fixedly connected together; the intermediate retaining plates are arranged between the aluminum substrate retaining plates and the heat pipe pressure plates; one end of the heat pipe is arranged in a slot formed by two adjacent intermediate retaining plates, while the other end of the heat pipe is arranged in a slot at the bottom of the heat sink; the high-power LED street lamp comprises a heat pipe cooling device, an outer shell, high-power LED light-emitting tubes and a power supply control circuit; the LED light source plates provided with the high-power LED light-emitting tubes are fixedly arranged on the aluminum substrate retaining plates; the utility model provides a heat pipe cooling device with high cooling efficiency and also provides a high-power LED street lamp comprising the heat pipe cooling device.
Description
(1), technical field: the utility model relates to a kind of ligthing paraphernalia, particularly a kind of heat abstractor and high-power LED street lamp.
(2), background technology: high-pressure mercury lamp is often used in traditional road lighting, it is big that it exists energy consumption, short two big fatal shortcomings of life-span, increasingly mature along with the LED manufacturing technology, the LED street lighting just arises at the historic moment, the shortcoming that it has overcome high-pressure mercury lamp has the distinguishing feature that energy consumption is low, the life-span is long.There is heat dissipation problem in high-power LED street lamp great majority of the prior art, the quality of heat-sinking capability directly influences the working life and the reliability of high-power LED street lamp, the main radiating mode of existing high-power LED street lamp is the heat radiation type heat radiation, the heat that produces during high-power LED street lamp work directly passes on the fin, and then radiate, the major defect of this radiating mode is that the area of dissipation of fin is big inadequately, radiating efficiency is not high enough, and the convection current between fin and the air is not fine.The heat pipe heat radiation technology is the higher radiating mode of a kind of radiating efficiency, as notification number is that the patent documentation of CN2068224U discloses a kind of heat-pipe radiator, and set forth the efficientibility of heat pipe heat radiation therein, but also find in the prior art the heat pipe heat radiation technology is applied to example in the high-power LED street lamp.
(3), utility model content:
The technical problems to be solved in the utility model is: overcome the defective of prior art, provide a kind of radiating efficiency high heat-pipe radiating apparatus, a kind of high-power LED street lamp that contains this heat-pipe radiating apparatus is provided simultaneously.
The technical solution of the utility model:
A kind of heat-pipe radiating apparatus, contain heat transfer plate, heat pipe and fin, one end of heat pipe is fixedlyed connected with heat transfer plate, the other end of heat pipe is fixedlyed connected with fin, heat transfer plate is stacked together by the aluminium base fixed head of some, two blocks of center fixed plates and heat pipe pressing plate and is formed by fixedly connecting at least, the center fixed plate is between aluminium base fixed head and heat pipe pressing plate, one end of heat pipe is installed in two adjacent formed grooves of center fixed plate, and the other end of heat pipe is installed in the groove of described fin bottom.
Inside heat pipe is sealed with low-boiling point liquid, the heat pipe inwall contains the capillary wick layer, heat pipe is a rectangular tube, or be the rectangle pipe, heat pipe is fixedlyed connected by the thermal grease layer with the aluminium base fixed head, heat pipe is fixedlyed connected by the thermal grease layer with the groove of fin bottom, and the fin bottom has the heat radiation seam of some.
The capillary wick layer is a porous material layer; Aluminium base fixed head and center fixed plate are integral type or fabricated structure, and perhaps, heat pipe pressing plate and center fixed plate are integral type or fabricated structure; The aluminium base fixed head is one, or is two, or is three; The center fixed plate is two, or is three, or is four, or is five, or is six.
A kind of high-power LED street lamp that contains described heat-pipe radiating apparatus, also contain shell, great power LED luminous tube and power control circuit, the output of power control circuit is connected with the great power LED luminous tube, heat-pipe radiating apparatus is installed in the shell, the led light source plate that the great power LED luminous tube is installed is fixedly mounted on the aluminium base fixed head, shell with the corresponding position of fin on have the heat radiation seam of some, the inside of shell is equipped with a water bar, water bar is between fin and led light source plate, water bar can prevent that rainwater from entering high-power LED street lamp inside by the seam of the heat radiation on the shell, in case great power LED luminous tube and power control circuit short circuit.
The led light source plate is aluminium base circuit board, and it is fixedlyed connected by the thermal grease layer with the aluminium base fixed head, and the led light source plate is one, or is two, or is three.
Shell contains upper casing and lower casing, and shell is provided with optical transmission window with the corresponding position of led light source plate, and the optical transmission window place is equipped with light transmissive material, and light transmissive material can be clear glass or transparent organic glass.
During high-power LED street lamp work, the heat that produces on the led light source plate passes to an end of heat pipe by the aluminium base fixed head, after this end is heated, its inner low-boiling point liquid evaporates rapidly, steam flows to an other end under small pressure differential, and discharge heat, this heat passes on the fin by the tube wall of heat pipe, and distributes by fin, makes the steam regelation of this end become liquid, this liquid returns former evaporation ends along the capillary wick laminar flow again, so circulation is more than, and this circulation is carried out fast, therefore, heat can be reached fin by the led light source plate continuously, reaches the purpose of quick heat radiating.
The beneficial effects of the utility model:
1. heat-pipe radiating apparatus of the present utility model adopts heat pipe as heat conductor spare, it has made full use of the Rapid Thermal hereditary property of heat-conduction principle and low-boiling point liquid, evaporation by the low-boiling point liquid in the Totally enclosed vacuum pipe is transmitted heat with condensing, have the thermal conductivity height, simple in structure, be easy to characteristics such as processing, extra power consumption, long service life, improved the radiating efficiency of heat-pipe radiating apparatus greatly.
2. the fin in the heat-pipe radiating apparatus of the present utility model contains heat radiation seam, the shell of high-power LED street lamp with the corresponding position of fin on also have the heat radiation seam, this helps the cross-ventilation in the fin, has greatly improved radiating efficiency.
3. high-power LED street lamp of the present utility model adopts the great power LED luminous tube as illuminator, and is longer than the general high-pressure mercury lamp life-span, energy consumption is low, and also not such as harmful radiations such as ultraviolet lights, so it will be the following Green Product that uses of being advocated.
4. the led light source plate of high-power LED street lamp of the present utility model is fixedlyed connected by the thermal grease layer with the aluminium base fixed head, the aluminium base fixed head is fixedlyed connected by the thermal grease layer with heat pipe, heat pipe is fixedlyed connected by the thermal grease layer with fin, help the heat that the great power LED luminous tube sends like this and can be transmitted to the outside soon, strengthened radiating effect greatly, made the more reliable performance of high-power LED street lamp.
5. the water bar of high-power LED street lamp of the present utility model can prevent that rainwater from entering high-power LED street lamp inside by the seam of the heat radiation on the shell, in case great power LED luminous tube and power control circuit short circuit make high-power LED street lamp be fit to outdoor adverse circumstances more.
(4), description of drawings:
Fig. 1 is the structural representation of heat-pipe radiating apparatus;
Fig. 2 is the vertical view structural representation of Fig. 1;
Fig. 3 is the upward view structural representation of Fig. 1;
Fig. 4 is the left view structural representation of Fig. 1;
Fig. 5 is the right view structural representation of Fig. 1;
Fig. 6 is the structural representation of high-power LED street lamp;
Fig. 7 is the rearview structural representation of Fig. 6;
Fig. 8 is an A-A cutaway view structure for amplifying schematic diagram among Fig. 6;
Fig. 9 is the assembling schematic diagram of high-power LED street lamp;
Figure 10 is the enlarged drawing schematic diagram of B among Fig. 4;
Figure 11 is the enlarged drawing schematic diagram of C among Fig. 8;
(5), the specific embodiment:
Referring to Fig. 1～Figure 11, among the figure, heat-pipe radiating apparatus contains heat transfer plate, heat pipe 1 and fin 2, one end of heat pipe 1 is fixedlyed connected with heat transfer plate, the other end of heat pipe 1 is fixedlyed connected with fin 2, heat transfer plate is stacked together by three aluminium base fixed heads 3, six blocks of center fixed plates 4 and heat pipe pressing plate 5 and is formed by fixedly connecting, center fixed plate 4 is between aluminium base fixed head 3 and heat pipe pressing plate 5, one end of heat pipe 1 is installed in adjacent two blocks of center fixed plates, the 4 formed grooves, and the other end of heat pipe 1 is installed in the groove of described fin 2 bottoms.
The capillary wick layer is a porous material layer; Aluminium base fixed head 3 is a fabricated structure with center fixed plate 4, and heat pipe pressing plate 5 is a fabricated structure with center fixed plate 4.
High-power LED street lamp contains described heat-pipe radiating apparatus, shell, great power LED luminous tube 11 and power control circuit, the output of power control circuit is connected with great power LED luminous tube 11, heat-pipe radiating apparatus is installed in the shell, the led light source plate 10 that great power LED luminous tube 11 is installed is fixedly mounted on the aluminium base fixed head 3, shell with fin 2 corresponding positions on have the heat radiation seam 71 and the heat radiation seam 81 of some, the inside of shell is equipped with a water bar 16, water bar 16 is between fin 2 and led light source plate 10, water bar 16 can prevent that rainwater from entering high-power LED street lamp inside by the seam of the heat radiation on the shell 81, in case great power LED luminous tube 11 and power control circuit short circuit.
Led light source plate 10 is aluminium base circuit board, and it is fixedlyed connected by thermal grease layer 14 with aluminium base fixed head 3, and led light source plate 10 is three.
Shell contains upper casing 8 and lower casing 7, and lower casing 7 is provided with optical transmission window 17 with led light source plate 10 corresponding positions, and optical transmission window 17 places are equipped with clear glass.
During high-power LED street lamp work, the heat that produces on the led light source plate 10 passes to an end of heat pipe 1 by aluminium base fixed head 3, after this end is heated, its inner low-boiling point liquid evaporates rapidly, steam flows to an other end under small pressure differential, and discharge heat, this heat passes on the fin 2 by the tube wall of heat pipe 1, and distributes by fin 2, makes the steam regelation of this end become liquid, this liquid returns former evaporation ends along the capillary wick laminar flow again, so circulation is more than, and this circulation is carried out fast, therefore, heat can be reached fin 2 by led light source plate 10 continuously, reaches the purpose of quick heat radiating.
Claims (7)
1, a kind of heat-pipe radiating apparatus, contain heat transfer plate, heat pipe and fin, one end of heat pipe is fixedlyed connected with heat transfer plate, the other end of heat pipe is fixedlyed connected with fin, it is characterized in that: described heat transfer plate is stacked together by the aluminium base fixed head of some, two blocks of center fixed plates and heat pipe pressing plate and is formed by fixedly connecting at least, the center fixed plate is between aluminium base fixed head and heat pipe pressing plate, one end of described heat pipe is installed in two adjacent formed grooves of center fixed plate, and the other end of described heat pipe is installed in the groove of described fin bottom.
2, heat-pipe radiating apparatus according to claim 1, it is characterized in that: described inside heat pipe is sealed with low-boiling point liquid, the heat pipe inwall contains the capillary wick layer, described heat pipe is a rectangular tube, or be the rectangle pipe, described heat pipe is fixedlyed connected by the thermal grease layer with described aluminium base fixed head, and described heat pipe is fixedlyed connected by the thermal grease layer with the groove of described fin bottom, and described fin bottom has the heat radiation seam of some.
3, heat-pipe radiating apparatus according to claim 1 and 2 is characterized in that: described capillary wick layer is a porous material layer; Described aluminium base fixed head and described center fixed plate are integral type or fabricated structure; Described aluminium base fixed head is one, or is two, or is three; Described center fixed plate is two, or is three, or is four, or is five, or is six.
4, heat-pipe radiating apparatus according to claim 1 and 2 is characterized in that: described capillary wick layer is a porous material layer; Described heat pipe pressing plate and described center fixed plate are integral type or fabricated structure; Described aluminium base fixed head is one, or is two, or is three; Described center fixed plate is two, or is three, or is four, or is five, or is six.
5, a kind of high-power LED street lamp that contains the described heat-pipe radiating apparatus of claim 1, also contain shell, great power LED luminous tube and power control circuit, the output of power control circuit is connected with the great power LED luminous tube, it is characterized in that: described heat-pipe radiating apparatus is installed in the shell, the led light source plate that the great power LED luminous tube is installed is fixedly mounted on the described aluminium base fixed head, shell with the corresponding position of described fin on have the heat radiation seam of some, the inside of shell is equipped with a water bar, and described water bar is between described fin and led light source plate.
6, high-power LED street lamp according to claim 5 is characterized in that: described led light source plate is aluminium base circuit board, and it is fixedlyed connected by the thermal grease layer with described aluminium base fixed head, and the led light source plate is one, or is two, or is three.
7, according to claim 5 or 6 described high-power LED street lamps, it is characterized in that: shell contains upper casing and lower casing, and shell is provided with optical transmission window with the corresponding position of led light source plate, and the optical transmission window place is equipped with light transmissive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200093082U CN201206803Y (en) | 2007-09-13 | 2008-03-31 | Heat pipe radiator, high-power LED street lamp |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720091861 | 2007-09-13 | ||
| CN200720091861.0 | 2007-09-13 | ||
| CNU2008200093082U CN201206803Y (en) | 2007-09-13 | 2008-03-31 | Heat pipe radiator, high-power LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206803Y true CN201206803Y (en) | 2009-03-11 |
Family
ID=39890989
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100909625A Pending CN101255980A (en) | 2007-09-13 | 2008-03-31 | Heat pipe radiator and high-power LED road lamp |
| CNU2008200093082U Expired - Fee Related CN201206803Y (en) | 2007-09-13 | 2008-03-31 | Heat pipe radiator, high-power LED street lamp |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100909625A Pending CN101255980A (en) | 2007-09-13 | 2008-03-31 | Heat pipe radiator and high-power LED road lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101255980A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871636A (en) * | 2010-07-02 | 2010-10-27 | 上海交通大学 | LED corner lamp radiator having flexible flat gravity radiator |
| CN102287688A (en) * | 2011-07-20 | 2011-12-21 | 复旦大学 | Streetlamp device with integrated structure of heat pipe lamp post and light emitting diode (LED) light source |
| CN106979484A (en) * | 2017-06-07 | 2017-07-25 | 许昌虹榕节能电器设备有限公司 | A kind of heat abstractor of high-power LED street lamp |
| CN109386762A (en) * | 2017-08-10 | 2019-02-26 | 朱爱荣 | A kind of heat radiation type street lamp |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2182276B1 (en) * | 2008-10-31 | 2012-04-11 | Osram AG | A mounting arrangement for lighting modules and corresponding method |
| CN101440952B (en) * | 2008-12-15 | 2010-06-02 | 东莞市邦臣光电有限公司 | Road lamp heat radiation outer housing |
| CN101825235A (en) * | 2009-03-05 | 2010-09-08 | 富准精密工业(深圳)有限公司 | Light-emitting diode lamp and light engine thereof |
| CN102182951A (en) * | 2011-05-10 | 2011-09-14 | 广州大学 | Light emitting diode (LED) high-power lighting lamp of novel radiating device |
| CN104869791B (en) * | 2015-05-18 | 2017-04-26 | 鞍山鞍明实业有限公司 | Heat pipe heat dissipation module for ship power supply |
| CN110471242A (en) * | 2018-05-09 | 2019-11-19 | 深圳光峰科技股份有限公司 | Light source fixed substrate, light source heat radiation mechanism and projector |
| CN108856763A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | Ultrasonic wave knife handle |
-
2008
- 2008-03-31 CN CNA2008100909625A patent/CN101255980A/en active Pending
- 2008-03-31 CN CNU2008200093082U patent/CN201206803Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871636A (en) * | 2010-07-02 | 2010-10-27 | 上海交通大学 | LED corner lamp radiator having flexible flat gravity radiator |
| CN101871636B (en) * | 2010-07-02 | 2012-01-25 | 上海交通大学 | LED corner lamp radiator having flexible flat gravity radiator |
| CN102287688A (en) * | 2011-07-20 | 2011-12-21 | 复旦大学 | Streetlamp device with integrated structure of heat pipe lamp post and light emitting diode (LED) light source |
| CN106979484A (en) * | 2017-06-07 | 2017-07-25 | 许昌虹榕节能电器设备有限公司 | A kind of heat abstractor of high-power LED street lamp |
| CN106979484B (en) * | 2017-06-07 | 2023-09-01 | 深圳市弘祥光电科技有限公司 | Heat abstractor of high-power LED street lamp |
| CN109386762A (en) * | 2017-08-10 | 2019-02-26 | 朱爱荣 | A kind of heat radiation type street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101255980A (en) | 2008-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201206803Y (en) | Heat pipe radiator, high-power LED street lamp | |
| CN101556033B (en) | Lighting device and light engine thereof | |
| CN101986001B (en) | Light-emitting diode (LED) lamp | |
| CN101769524B (en) | Light emitting diode lamp and light engine thereof | |
| CN101430081B (en) | Fence type LED lighting device | |
| CN101539274A (en) | Illuminating apparatus and light engine thereof | |
| CN101943335A (en) | Light-emitting diode lamp | |
| CN201363586Y (en) | Columnar LED lamp | |
| CN101937908B (en) | Heat pipe type high-power LED (Light Emitting Diode) module | |
| CN102313216A (en) | Light emitting diode (LED) street lamp with internal circulation heat dissipating system | |
| CN101526204A (en) | High-power forced radiation type heat pipe LED illumination device | |
| CN205678635U (en) | The high-power roadway illumination LED light fixture group of improvement | |
| CN201368433Y (en) | High-power LED street lamp radiator | |
| CN201522221U (en) | Loop heat pipe heat abstractor of high heat conduction temperature equalization box | |
| CN100594323C (en) | High power semiconductor lighting lamp | |
| CN101922659A (en) | Large-power LED tunnel light with hedgehog type heat pipe group radiator | |
| CN201521927U (en) | Loop heat pipe radiating device adopting enhanced evaporation section in LED lamp | |
| CN201696914U (en) | Large power LED illuminating lamp | |
| CN201043739Y (en) | High power LED lamp | |
| CN201193813Y (en) | Heat pipe radiator, high-power LED street lamp, factory building lamp and tunnel lamp | |
| CN201829499U (en) | Heat pipe type high-power LED module | |
| CN102102835B (en) | LED (Light-Emitting Diode) streetlamp | |
| CN102287688A (en) | Streetlamp device with integrated structure of heat pipe lamp post and light emitting diode (LED) light source | |
| CN101846299A (en) | Heat radiator of LED lamp fitting, heat radiation method thereof and LED lamp fitting | |
| CN201225591Y (en) | Fence type LED light fittings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NEW VISION PHOTOELECTRICITY( ZHENG ZHOU ) CO., LTD Free format text: FORMER OWNER: SUN JINGXI Effective date: 20090717 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090717 Address after: No. 1356, East navigation road, Zhengzhou economic and Technological Development Zone, Henan Province: 450016 Patentee after: Dew & Ken Optoelectronics (Zhengzhou) Co., Ltd. Address before: Zhengzhou City, Henan province Zhengzhou economic and Technological Development Zone, Tianming International Center, 19 floor, zip code: 450016 Patentee before: Sun Jingxi |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |