CN105066040A - Light source of headlamp and assembling method of light source - Google Patents
Light source of headlamp and assembling method of light source Download PDFInfo
- Publication number
- CN105066040A CN105066040A CN201510467278.4A CN201510467278A CN105066040A CN 105066040 A CN105066040 A CN 105066040A CN 201510467278 A CN201510467278 A CN 201510467278A CN 105066040 A CN105066040 A CN 105066040A
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- Prior art keywords
- light source
- radiator
- copper coin
- face
- fin
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/49—Attachment of the cooling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a light source of a headlamp. The light source of the headlamp comprises a copper plate. A first LED light source body is arranged on the front face of the copper plate, and a second LED light source body is arranged on the back face of the copper plate. A first radiator is arranged at one end of the copper plate, and a second radiator is arranged at the other end of the copper plate. A first light reflecting cup is commonly defined by the end face of the first radiator, the end face of the second radiator and the copper plate. The first LED light source body is arranged in the first light reflecting cup. A second light reflecting cup is commonly defined by the end face of the first radiator, the end face of the second radiator and the copper plate. The second LED light source body is arranged in the second light reflecting cup. The end faces of the radiators are used as the reflecting faces of the light reflecting cups so that the radiators can have the radiating function and can also have the light distribution function; and due to the fact that the inclinations of the end faces of the radiators can be set according to a headlamp reflector and reflecting faces with difference inclinations can be made according to different light patterns, the luminous flux can be improved, and light distribution of the headlamp can be more convenient.
Description
Technical field
The present invention relates to headlamp, especially application is irradiated and the headlamp light source of distant light irradiation function and assemble method thereof with the dipped beam that has on automobile and motorcycle.
Background technology
The light source assembly of headlamp generally comprises plural LED light source, and when a unlatching LED light source, headlamp has nearly light-struck function, and when all LED light sources start simultaneously, headlamp has distant light irradiation function.The mount pad that the light source assembly of existing motorcycle headlamp mainly comprises radiator and is connected with radiator, LED light source is distributed on mount pad; As Chinese patent, publication number is a kind of motorcycle headlamp light source assembly of 204387905U, comprises mount pad, radiator and fan, described mount pad is column, its one end is connected with radiator, and described radiator is provided with accommodation space, and described fan is located in affiliated accommodation space; Described mount pad comprises installed surface and lower installed surface, described upper installed surface to be provided with on light source on first, second light source on light source and the 3rd, on described second, light source is on first on light source and the 3rd between light source, on second, light source is in being horizontally disposed with, on first, on light source and second, the angle of light source is 130 ~ 150 °, on 3rd, on light source and second, the angle of light source is 130 ~ 150 °, and three upper light source distance datum level 23.5 ~ 35.5mm; Described lower installed surface is provided with first time light source, second time light source and the 3rd time light source, described second time light source is between first time light source and the 3rd time light source, second time light source is in being horizontally disposed with, the angle of first time light source and second time light source is 130 ~ 150 °, the angle of the 3rd time light source and second time light source is 130 ~ 150 °, and three lower light source distance datum level 18.5 ~ 30.5mm.Mount pad and the radiator of this kind of light source assembly are Al-alloy parts, and aluminium alloy thermal conductivity factor is little, in order to improve radiating rate, can only rely on increase area of dissipation, so the volume of mount pad is comparatively large, thus cause existing headlamp light source assembly volume excessive.In addition, in order to LED light source can be made to get distance light light type and dipped beam light type, headlamp generally needs to be furnished with reflector, the distance light reflector that this reflector comprises the dipped beam reflector for coordinating with dipped beam LED and coordinates with distance light LED.Because its rising angle during LED light source bright dipping is comparatively large, even if the later stage can carry out optically focused by reflector, but the energy loss of its bright dipping is still larger.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of headlamp light source and assemble method thereof, and the volume of light source is little, and radiating efficiency is high; By arranging reflector for LED light source, improve luminous flux; The shape of reflector can coordinate reflector design, makes headlamp better allot dipped beam light type and distance light light type.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of headlamp light source, comprise copper coin, described upside of a tossed coin is provided with the first wiring area, the first die bond region and the first heat dissipation region, described first wiring area is provided with first line layer, described first die bond region is positioned at the first wiring area, the first LED light source is provided with in described first die bond region, first LED light source is directly fixed on copper coin by the first die bond region, and the copper coin surface in the first heat dissipation region is directly exposed; The back side of described copper coin is provided with the second wiring area, the second die bond region and the second heat dissipation region, described second wiring area is provided with the second line layer, described second die bond region is positioned at the second wiring area, the second LED light source is provided with in described second die bond region, second LED light source is directly fixed on copper coin by the second die bond region, and the copper coin surface in the second heat dissipation region is directly exposed; One end of described copper coin is provided with the first radiator, the other end of copper coin is provided with the second radiator, the end face of described first radiator, the end face of the second radiator and copper coin surround the first reflector jointly, described first LED light source is located in the first reflector, the end face of described first radiator, the end face of the second radiator and copper coin surround the second reflector jointly, and described second LED light source is located in the second reflector.Present invention utilizes the characteristic that copper coin heat conductivility is good, be applied in headlamp light source, to improve the power area of light source, power area of the present invention can reach more than 15W/c ㎡; The heat dissipation equipment of copper coin and the common LED light source consisting of radiator, the radiator that the heat that LED light source produces can be passed to copper coin two ends by copper coin fast dispels the heat, and in addition, copper coin surface exposure part also has certain heat-sinking capability; Copper plate thickness generally only has 1mm, so the volume that combines is less; The thickness of copper coin is less, makes the LED light source standoff distance being arranged on copper coin both sides less, and that is, the position of two LED light sources can closer to the reflection kernel of reflector, and reflector is more reasonable to the reflection of light source, and the light-out effect of headlamp is better; Utilize the reflecting surface of end face as reflector of radiator, radiator is made not only to have heat sinking function, but also there is light distributing function, the gradient of radiator end face can be established according to headlight reflectors, light type as required makes the reflecting surface of different gradient, not only can improve luminous flux, and make the luminous intensity distribution of headlamp also become more convenient.
As improvement, described first radiator comprises the first mount pad and is located at some first fin on the first mount pad, and described first fin, in vertically arranging, is provided with first convection holes at the two ends up and down running through fin in described first fin; Described second radiator comprises the second mount pad and is located at some second fin on the second mount pad, and described second fin, in vertically arranging, is provided with second convection holes at the two ends up and down running through fin in described second fin.Radiator is provided with convection holes, by the temperature difference of radiator upper air and lower air, makes to form convection current in convection holes and is taken away by the heat of radiator.
As improvement, the first mount pad of described first radiator is provided with the first slot, and one end of described copper coin is inserted in described first slot; Second mount pad of described second radiator is provided with the second slot, and the other end of described copper coin inserts in described second slot.
As improvement, form the first air channel between adjacent first fin, described first fin is provided with the first fan; Form the second air channel between adjacent second fin, described second fin is provided with the second fan.
As improvement, described first LED light source and the second LED light source are in being in staggered distribution in the both sides of copper coin up and down, and heat dispersing is concentrated, and improve radiating efficiency.
As improvement, the first radiator end face and the second radiator end face that surround the first reflector are inclined-plane; The the first radiator end face and the second radiator end face that surround the second reflector are inclined-plane.Inclined-plane be provided with the reflection and optically focused that help light.
As improvement, the end face of described first radiator and the end face of the second radiator are reflective surface.Reflective surface the reflection efficiency that can improve reflector is set; After light more reflects away by radiator end face in addition, go the energy of the light absorbed fewer, therefore the suction of its heat is also just less, alleviates the heat radiation load of radiator.
As improvement, described reflective surface is formed by plating or is formed by reflective membrane.
As improvement, described first radiator is provided with the first slot, and one end of described copper coin is inserted in the first slot, and one end of the first radiator is divided into upper and lower two halves by the first slot; Described second radiator is provided with the second slot, and the other end of described copper coin inserts in the second slot, and one end of the second radiator is divided into upper and lower two halves by the second slot.
The assemble method of headlamp light source, comprises the following steps:
(1) copper coin is cut into rectangular list structure;
(2) divide at upside of a tossed coin and the first wiring area, the first die bond region and the first heat dissipation region are set;
(3) divide at the back side of copper coin and the second wiring area, the second die bond region and the second heat dissipation region are set;
(4) at copper coin first die bond region internal fixtion first LED light source; At copper coin second die bond region internal fixtion second LED light source;
(5) one end of copper coin is inserted in the first slot of the first radiator, and the other end of copper coin inserts in the second slot of the second radiator.
The beneficial effect that the present invention is compared with prior art brought is:
1. present invention utilizes the good characteristic of copper coin heat conductivility and coordinate radiator, being applied in headlamp light source, is that the power area of product can reach more than 15W/c ㎡;
2. copper plate thickness generally only has 1mm, so combine, volume is less, the thickness of copper coin is less, make the LED light source standoff distance being arranged on copper coin both sides less, that is, the position of two LED light sources can closer to the reflection kernel of reflector, and reflector is more reasonable to the reflection of light source, and the light-out effect of headlamp is better;
3. utilize the reflecting surface of end face as reflector of radiator, radiator is made not only to have heat sinking function, but also there is light distributing function, the gradient of radiator end face can be established according to headlight reflectors, light type as required makes the reflecting surface of different gradient, not only can improve luminous flux, and make the luminous intensity distribution of headlamp also become more convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that copper coin coordinates with radiator.
Fig. 2 is the decomposition view of the first LED light source and copper coin.
Fig. 3 is the decomposition view of the second LED light source and copper coin.
Fig. 4 is assembling flow path figure of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described.
A kind of LED headlamp, can be used on automobile and motorcycle, and have dipped beam and irradiate and circle distant light irradiation function, LED headlamp comprises the Lights section and reflector sections, the reflector that reflector comprises the reflector for coordinating with dipped beam LED and coordinates with distance light LED.
As shown in Figures 1 to 3, headlamp light source comprises copper coin 1, and described copper coin 1 is rectangle, and the thickness of copper coin 1 is greatly about about 1mm, and copper coin 1 is as the carrier of light source, and during installation, copper coin 1 is in being horizontally disposed with.As shown in Figure 2, the end face of described copper coin 1 is provided with the first die bond region, wiring area 12, first 13 and the first heat dissipation region 11; Described first wiring area 12 is provided with first line layer, and first line layer is BT line layer, and it is positioned at the centre position of copper coin 1; Described first die bond region 13 is positioned at the first wiring area 12, is provided with the first LED light source 2, first LED light source 2 and is directly fixed on copper coin 1 by the first die bond region 13 in described first die bond region 13; Copper coin 1 surface in first heat dissipation region 11 is directly exposed.As shown in Figure 3, the bottom surface of described copper coin 1 is provided with the second die bond region, wiring area 15, second 16 and the second heat dissipation region 14; Described second wiring area 15 is provided with the second line layer, and the second line layer is BT line layer, and it is positioned at the centre position of copper coin 1; Described second die bond region 16 is positioned at the second wiring area 15, is provided with the second LED light source 3, second LED light source 3 and is directly fixed on copper coin 1 by the second die bond region 16 in described second die bond region 16; Copper coin 1 surface in second heat dissipation region 14 is directly exposed.
As shown in Figure 1, one end of described copper coin 1 is provided with the first radiator 4, and the other end of copper coin 1 is provided with the second radiator 5.Described first radiator comprises the first mount pad, one end of first mount pad is provided with some first fin, described first fin is in vertically arranging, the other end of the first mount pad is provided with the first slot, one end of described copper coin 1 is inserted in the first slot, and one end of the first radiator 4 is divided into upper and lower two halves by the first slot.Described second radiator comprises the second mount pad, one end of second mount pad is provided with some second fin, described second fin is in vertically arranging, the other end of the second mount pad is provided with the second slot, the other end of described copper coin 1 inserts in the second slot, and one end of the second radiator 4 is divided into upper and lower two halves by the second slot.The first half 51 and the copper coin 1 of end face the first half 41, second radiator 5 end face of described first radiator 4 surround the first reflector 6 jointly, and described first LED light source 2 is located in the first reflector 6; The latter half 52 and the copper coin 1 of the latter half 42, second radiator 5 end face of described first radiator 4 end face surround the second reflector 7 jointly, and described second LED light source 3 is located in the second reflector 7.The first radiator 4 end face and the second radiator 5 end face that surround the first reflector 6 are inclined-plane, and this inclined-plane forms reflective surface by electroplating or paste reflective membrane; The first radiator 4 end face and the second radiator 5 end face that surround the second reflector 7 are inclined-plane, and this inclined-plane forms reflective surface by electroplating or paste reflective membrane.
First convection holes at the two ends up and down running through fin is provided with in described first fin; Second convection holes at the two ends up and down running through fin is provided with in described second fin.Radiator is provided with convection holes, by the temperature difference of radiator upper air and lower air, makes to form convection current in convection holes and is taken away by the heat of radiator.Form the first air channel between adjacent first fin, described first fin is provided with the first fan; Form the second air channel between adjacent second fin, described second fin is provided with the second fan.Described first LED light source and the second LED light source are in being in staggered distribution in the both sides of copper coin up and down, and heat dispersing is concentrated, and improve radiating efficiency.
As shown in Figure 4, the assemble method of headlamp light source, comprises the following steps:
(1) copper coin is cut into rectangular list structure;
(2) divide at upside of a tossed coin and the first wiring area, the first die bond region and the first heat dissipation region are set;
(3) divide at the back side of copper coin and the second wiring area, the second die bond region and the second heat dissipation region are set;
(4) at copper coin first die bond region internal fixtion first LED light source; At copper coin second die bond region internal fixtion second LED light source;
(5) one end of copper coin is inserted in the first slot of the first radiator, and the other end of copper coin inserts in the second slot of the second radiator.
Present invention utilizes the characteristic that copper coin heat conductivility is good, be applied in headlamp light source, to improve the power area of light source, power area of the present invention can reach more than 15W/c ㎡; The heat dissipation equipment of copper coin and the common LED light source consisting of radiator, the radiator that the heat that LED light source produces can be passed to copper coin two ends by copper coin fast dispels the heat, and in addition, copper coin surface exposure part also has certain heat-sinking capability; Copper plate thickness generally only has 1mm, so the volume that combines is less; The thickness of copper coin is less, makes the LED light source standoff distance being arranged on copper coin both sides less, and that is, the position of two LED light sources can closer to the reflection kernel of reflector, and reflector is more reasonable to the reflection of light source, and the light-out effect of headlamp is better; Utilize the reflecting surface of end face as reflector of radiator, radiator is made not only to have heat sinking function, but also there is light distributing function, the gradient of radiator end face can be established according to headlight reflectors, light type as required makes the reflecting surface of different gradient, not only can improve luminous flux, and make the luminous intensity distribution of headlamp also become more convenient.
Claims (10)
1. a headlamp light source, it is characterized in that: comprise copper coin, described upside of a tossed coin is provided with the first wiring area, the first die bond region and the first heat dissipation region, described first wiring area is provided with first line layer, described first die bond region is positioned at the first wiring area, be provided with the first LED light source in described first die bond region, the first LED light source is directly fixed on copper coin by the first die bond region, and the copper coin surface in the first heat dissipation region is directly exposed; The back side of described copper coin is provided with the second wiring area, the second die bond region and the second heat dissipation region, described second wiring area is provided with the second line layer, described second die bond region is positioned at the second wiring area, the second LED light source is provided with in described second die bond region, second LED light source is directly fixed on copper coin by the second die bond region, and the copper coin surface in the second heat dissipation region is directly exposed; One end of described copper coin is provided with the first radiator, the other end of copper coin is provided with the second radiator, the end face of described first radiator, the end face of the second radiator and copper coin surround the first reflector jointly, described first LED light source is located in the first reflector, the end face of described first radiator, the end face of the second radiator and copper coin surround the second reflector jointly, and described second LED light source is located in the second reflector.
2. headlamp light source according to claim 1, it is characterized in that: described first radiator comprises the first mount pad and is located at some first fin on the first mount pad, described first fin, in vertically arranging, is provided with first convection holes at the two ends up and down running through fin in described first fin; Described second radiator comprises the second mount pad and is located at some second fin on the second mount pad, and described second fin, in vertically arranging, is provided with second convection holes at the two ends up and down running through fin in described second fin.
3. headlamp light source according to claim 1, is characterized in that: the first mount pad of described first radiator is provided with the first slot, and one end of described copper coin is inserted in described first slot; Second mount pad of described second radiator is provided with the second slot, and the other end of described copper coin inserts in described second slot.
4. headlamp light source according to claim 2, is characterized in that: form the first air channel between adjacent first fin, and described first fin is provided with the first fan; Form the second air channel between adjacent second fin, described second fin is provided with the second fan.
5. headlamp light source according to claim 1, is characterized in that: described first LED light source and the second LED light source are in being in staggered distribution in the both sides of copper coin up and down.
6. headlamp light source according to claim 1, is characterized in that: the first radiator end face and the second radiator end face that surround the first reflector are inclined-plane; The the first radiator end face and the second radiator end face that surround the second reflector are inclined-plane.
7. headlamp light source according to claim 1, is characterized in that: the end face of described first radiator and the end face of the second radiator are reflective surface.
8. headlamp light source according to claim 7, is characterized in that: described reflective surface is formed by plating or formed by reflective membrane.
9. headlamp light source according to claim 1, is characterized in that: described first radiator is provided with the first slot, and one end of described copper coin is inserted in the first slot, and one end of the first radiator is divided into upper and lower two halves by the first slot; Described second radiator is provided with the second slot, and the other end of described copper coin inserts in the second slot, and one end of the second radiator is divided into upper and lower two halves by the second slot.
10. an assemble method for the headlamp light source as described in right, is characterized in that, comprises the following steps:
(1) copper coin is cut into rectangular list structure;
(2) divide at upside of a tossed coin and the first wiring area, the first die bond region and the first heat dissipation region are set;
(3) divide at the back side of copper coin and the second wiring area, the second die bond region and the second heat dissipation region are set;
(4) at copper coin first die bond region internal fixtion first LED light source; At copper coin second die bond region internal fixtion second LED light source;
(5) one end of copper coin is inserted in the first slot of the first radiator, and the other end of copper coin inserts in the second slot of the second radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467278.4A CN105066040B (en) | 2015-08-03 | 2015-08-03 | Headlamp light source and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467278.4A CN105066040B (en) | 2015-08-03 | 2015-08-03 | Headlamp light source and its assemble method |
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| Publication Number | Publication Date |
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| CN105066040A true CN105066040A (en) | 2015-11-18 |
| CN105066040B CN105066040B (en) | 2017-08-11 |
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| CN201510467278.4A Active CN105066040B (en) | 2015-08-03 | 2015-08-03 | Headlamp light source and its assemble method |
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Cited By (1)
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| WO2018000577A1 (en) * | 2016-06-28 | 2018-01-04 | 宁波市凯迪森照明科技有限公司 | Novel led flood light structure capable of achieving efficient heat dissipation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000577A1 (en) * | 2016-06-28 | 2018-01-04 | 宁波市凯迪森照明科技有限公司 | Novel led flood light structure capable of achieving efficient heat dissipation |
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| Publication number | Publication date |
|---|---|
| CN105066040B (en) | 2017-08-11 |
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Address after: Guangzhou City, Guangdong province 510800 city car Fengshen Avenue South of Huadu District Applicant after: Rayton Intelligent Photoelectric Co., Ltd. Address before: 510800 Guangdong Province, Guangzhou Huadu District Fengshen Avenue Ling Xi Lu leiteng Industrial Park Applicant before: Guangzhou Rayton Lighting Science & Technology Co., Ltd. |
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Denomination of invention: Light source of headlamp and assembling method of light source Effective date of registration: 20190116 Granted publication date: 20170811 Pledgee: China Co truction Bank Corp Guangzhou green finance reform and innovation pilot area Huadu Branch Pledgor: Rayton Intelligent Photoelectric Co., Ltd. Registration number: 2019440000026 |
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Date of cancellation: 20210923 Granted publication date: 20170811 Pledgee: China Co. truction Bank Corp Guangzhou green finance reform and innovation pilot area Huadu Branch Pledgor: GUANGDONG RAYTON INTELLIGENT OPTO. Co.,Ltd. Registration number: 2019440000026 |