CN102519001A - Vehicular LED headlamp - Google Patents
Vehicular LED headlamp Download PDFInfo
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- CN102519001A CN102519001A CN201110423351XA CN201110423351A CN102519001A CN 102519001 A CN102519001 A CN 102519001A CN 201110423351X A CN201110423351X A CN 201110423351XA CN 201110423351 A CN201110423351 A CN 201110423351A CN 102519001 A CN102519001 A CN 102519001A
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Abstract
The invention discloses a vehicular LED headlamp, which comprises an LED bulb, a reflective bowl, a glass sheet and a rear shell, wherein the LED bulb is positioned in the reflective bowl, the LED bulb and the reflective bowl are mounted in the rear shell, the glass sheet is arranged in front of an opening of the reflective bowl, a reflective surface of the reflective bowl employs paraboloid as a reference curved surface, and the luminous center of the LED bulb is positioned at the focus of the reference curved surface. By the aid of the headlamp, the brightness of emergent light of a light source can be improved, high-brightness light spots are formed, and the national requirement on light distribution of vehicular headlamps is met.
Description
Technical field
The present invention relates to a kind of automobile head light, be specifically related to a kind of LED headlamp that is suitable for vehicle (like motorcycle, automobile, electric motor car) usefulness.
Background technology
LED (light emitting diode) be described as the 4th generation light source, it has the advantage that the life-span is long, light efficiency is high, radiationless.The theoretical life-span of LED surpasses 100,000 hours, and luminous efficiency is up to 90%, and the energy consumption of same light flux is merely 8% of incandescent lamp, has the advantage of significant green, low-carbon (LC).Worldwide LED is used widely in lighting field.
It is light source that present automobile head light mainly adopts incandescent mercerising lamp, Halogen lamp LED.Because the light efficiency of incandescent mercerising lamp and halogen light source is low, caloric value is big, the life-span is short; The utilization rate of light is low; So there is very big potential safety hazard in the problem that existing automobile head light ubiquity illumination is weak, caloric value is big, the life-span is short (being prone to blow, be prone to fragmentation like filament).
Because the extensive use of LED and the remarkable advantage that is had thereof; Many people attempt to adopt LED as automobile head light; But because the structural design of LED headlamp is reasonable inadequately, light utilization efficiency is not high, light decay serious, heat radiation is bad, can not be arrived in the appointed area of filament shield by the light of reflector reflection; Desirable distance light hot spot or dipped beam hot spot can't be formed, the light distribution requirements of country can not be reached about automobile head light; Therefore, fail to be widely used.
Summary of the invention
The purpose of this invention is to provide a kind of automobile-used LED headlamp, this headlamp can improve the emergent light brightness of light source, forms the hot spot of high brightness, to reach the light distribution requirements of country about automobile head light.
Automobile-used LED headlamp of the present invention comprises LED lamp pearl, reflector, slide and back cover, and LED lamp pearl is positioned at reflector, and LED lamp pearl and reflector are installed in the back cover, and slide is arranged on reflector the rim of a bowl the place ahead; The reflecting surface of said reflector is to be the benchmark curved surface with the parabola, and the centre of luminescence of said LED lamp pearl is positioned on the focus of benchmark curved surface.LED lamp pearl is adopted once the lamp pearl of light envelope moulding, and reflector is the hollow body that adopts metal or plastic shaping, adopts the vacuum film to improve the reflecting effect of reflecting surface on the reflecting surface of reflector.The reflecting surface of reflector (being inner surface) is a free form surface; This free form surface is to be the benchmark curved surface with the parabola; This parabola is divided into several zones; Adjust each regional curvature and direction, the light that LED is sent is mapped to each zone back light of reflecting surface and is reflected to formation high brightness hot spot in the appointed area of filament shield, and these each regional curved surfaces are promptly formed free form surface.
Said headlamp is a dipped headlights; The LED lamp pearl centre of luminescence is arranged on the focus of said benchmark curved surface; The rim of a bowl with reflector is forward a benchmark, and the direction that is provided with of LED lamp pearl is that light-emitting area makes progress, or on the basis that light-emitting area makes progress, tilts 0 °～60 ° forward or backward; The light that LED lamp pearl sends is all or part of to be dropped in the first half reflecting surface of reflector, and the light that LED lamp pearl sends is through reflecting surface reflection formation forward "cut-off"line clearly.
Said headlamp is a high beam; The LED lamp pearl centre of luminescence is arranged on the focus of benchmark curved surface; The rim of a bowl with reflector is forward a benchmark, and the direction that is provided with of LED lamp pearl is that light-emitting area is downward, or on luminous prone basis, tilts forward or backward 0 °～90 °; The light that LED lamp pearl sends in reflecting surface reflexes to the zone of the place ahead filament shield appointment, tilt forward or backward 90 ° to be lamp pearl light-emitting area be right against reflector the rim of a bowl direction or be right against the reflector bowl at the bottom of direction.
Said headlamp is the Assembled lamp of distance light and dipped beam, is forward benchmark with the rim of a bowl of reflector, with the reflecting surface of reflector to be divided into two parts up and down perpendicular to the rim of a bowl; The first half is the dipped beam reflecting surface; The latter half is the distance light reflecting surface, the first half dipped beam reflecting surface of reflector, and it is to be the free form surface that the benchmark curved surface forms after adjusting with a parabola; LED lamp pearl is set on the focus of this benchmark curved surface; And guarantee that the LED lamp pearl centre of luminescence drops on the focus of this benchmark curved surface, the direction that is provided with of LED lamp pearl is that light-emitting area makes progress, or on the basis that light-emitting area makes progress, tilts 0 °～60 ° forward or backward; Be that the light that LED lamp pearl sends is through reflecting surface reflection formation forward "cut-off"line clearly in all or part of the first half reflecting surface that drops on reflector of the light that sends of LED lamp pearl; The latter half distance light reflecting surface of said reflector; It is to be the free form surface that the benchmark curved surface forms after adjusting with another parabola; Other LED lamp pearl is set on the focus of this benchmark curved surface; And guarantee that the LED lamp pearl centre of luminescence drops on the focus of this benchmark curved surface, the direction that is provided with of LED lamp pearl is that light-emitting area is downward, or on luminous prone basis, tilts forward or backward 0 °～90 °; The light that LED lamp pearl sends in reflecting surface reflexes to the zone of the place ahead filament shield appointment, tilt forward or backward 90 ° to be lamp pearl light-emitting area be right against reflector the rim of a bowl direction or be right against the reflector bowl at the bottom of direction.The characteristics of this combination head lamp are that the light that LED lamp pearl sends can only be through being positioned at the dipped beam reflecting surface reflection of the first half; Obtain "cut-off"line clearly; The light that LED lamp pearl sends mainly through the reflection of distance light reflecting surface, also can pass through the beam split of dipped beam reflecting surface reflecting part.
In order better to control the light decay of LED; Accelerate heat radiation; Behind reflector bottom centre installing hole, be provided with electronic refrigerating chip and radiator, electronic refrigerating chip adopts existing ripe product, and its basic structure comprises the electronics P-N knot at middle part and the heat-absorbent surface and the heating face of upper and lower surfaces; LED lamp pearl directly or indirectly is attached on the heat-absorbent surface of electronic refrigerating chip, and the heating face of electronic refrigerating chip is close on the radiator.
The present invention is placed on the LED lamp pearl centre of luminescence on the focus of benchmark curved surface; And select the different directions that is provided with according to different headlamp; Make the light that sends from LED lamp pearl be reflected to the appointed area on the filament shield; Formed the distance light hot spot or the dipped beam hot spot of high brightness, reached the light distribution requirements of country, thereby realized the application of LED headlamp in motorcycle, automobile, electric motor car about automobile head light.
Description of drawings
Fig. 1 is the structural representation of first kind of automobile-used LED headlamp (being dipped headlights).
Fig. 2 is the structural representation of second kind of automobile-used LED headlamp (i.e. first kind of high beam).
Fig. 3 is the structural representation of the third automobile-used LED headlamp (i.e. second kind of high beam).
Fig. 4 is the structural representation of the 4th kind of automobile-used LED headlamp (i.e. first kind of Assembled lamp).
Fig. 5 is the structural representation of the 5th kind of automobile-used LED headlamp (i.e. second kind of Assembled lamp).
Fig. 6 is the structural representation of the 6th kind of automobile-used LED headlamp (being the third Assembled lamp).
Fig. 7 is the structural representation that LED lamp pearl cooperates with electronic refrigerating chip and radiator.
The specific embodiment
Embodiment one: like Fig. 1, automobile-used LED headlamp (being dipped headlights) shown in Figure 7; Comprise a LED lamp pearl 11, radiator 2, reflector 3, slide 4, back cover 5 and electronic refrigerating chip 6; The one LED lamp pearl 11 is positioned at reflector 3; The reflecting surface of reflector 3 is for being the benchmark curved surface with the parabola; This parabola is divided into several zones, adjusts the free form surface that satisfies the dipped headlights light distribution requirements that forms after each regional curvature and the direction, the centre of luminescence of a LED lamp pearl 11 is arranged on the focus of benchmark curved surface; The rim of a bowl with reflector 3 is forward a benchmark; The direction that is provided with of the one LED lamp pearl 11 is that light-emitting area makes progress, and the light that a LED lamp pearl 11 sends is whole or most to be dropped in the first half reflecting surface of reflector, and the light that a LED lamp pearl 11 sends is through reflecting surface reflection formation forward "cut-off"line clearly.The one LED lamp pearl 11 bottoms are welded with the aluminium sheet 8 as conductive structure, and aluminium sheet 8 is attached to through sheet metal 7 on the heat-absorbent surface 61 of electronic refrigerating chip 6, and the heating face 62 of electronic refrigerating chip 6 is close on the radiator 2 that is positioned at behind the reflector bottom centre installing hole; The one LED lamp pearl 11, electronic refrigerating chip 6, reflector 3 and radiator 2 are installed in the back cover 5, and slide 4 is arranged on reflector the rim of a bowl the place ahead.
Embodiment two: like Fig. 2, automobile-used LED headlamp (i.e. first kind of high beam) shown in Figure 7; Comprise the 2nd LED lamp pearl 12, radiator 2, reflector 3, slide 4, back cover 5 and electronic refrigerating chip 6; The 2nd LED lamp pearl 12 is positioned at reflector 3; The reflecting surface of reflector 3 is divided into several zones for being the benchmark curved surface with the parabola with this parabola, adjusts the free form surface that satisfies the high beam light distribution requirements that forms after each regional curvature and the direction; The centre of luminescence of the 2nd LED lamp pearl 12 is arranged on the focus of benchmark curved surface; The rim of a bowl with reflector 3 is forward a benchmark, the 2nd LED lamp pearl 12 direction is set on luminous prone basis, to turn forward 90 ° (promptly being right against reflector the rim of a bowl direction), the light that the 2nd LED lamp pearl 12 sends is in reflecting surface reflexes to the zone of the place ahead filament shield appointment.The 2nd LED lamp pearl 12 bottoms are welded with the aluminium sheet 8 as conductive structure, and aluminium sheet 8 is attached on the heat-absorbent surface 61 of electronic refrigerating chip 6, and the heating face 62 of electronic refrigerating chip 6 is close on the radiator 2 that is positioned at behind the reflector bottom centre installing hole; The 2nd LED lamp pearl 12, electronic refrigerating chip 6, reflector 3 and radiator 2 are installed in the back cover 5, and slide 4 is arranged on reflector the rim of a bowl the place ahead.
Embodiment three: like Fig. 3, automobile-used LED headlamp (i.e. second kind of high beam) shown in Figure 7; Comprise the 2nd LED lamp pearl 12, radiator 2, reflector 3, slide 4, back cover 5 and electronic refrigerating chip 6; The 2nd LED lamp pearl 12 is positioned at reflector 3; The reflecting surface of reflector 3 is divided into several zones for being the benchmark curved surface with the parabola with this parabola, adjusts the free form surface that satisfies the high beam light distribution requirements that forms after each regional curvature and the direction; The centre of luminescence of the 2nd LED lamp pearl 12 is arranged on the focus of benchmark curved surface; The rim of a bowl with reflector 3 is forward a benchmark, the 2nd LED lamp pearl 12 direction is set on luminous prone basis, to recede 90 ° (directions at the bottom of promptly being right against the reflector bowl), the light that the 2nd LED lamp pearl 12 sends is in reflecting surface reflexes to the zone of the place ahead filament shield appointment.The 2nd LED lamp pearl 12 bottoms are welded with the aluminium sheet 8 as conductive structure, and aluminium sheet 8 is attached to through sheet metal 7 on the heat-absorbent surface 61 of electronic refrigerating chip 6, and the heating face of electronic refrigerating chip 62 is close on the radiator 2 that is positioned at behind the reflector bottom centre installing hole; The 2nd LED lamp pearl 12, electronic refrigerating chip 6, reflector 3 and radiator 2 are installed in the back cover 5, and slide 4 is arranged on reflector the rim of a bowl the place ahead.
Embodiment four: like Fig. 4, automobile-used LED headlamp (i.e. first kind of Assembled lamp) shown in Figure 7; Comprise a LED lamp pearl 11, the 2nd LED lamp pearl 12, radiator 2, reflector 3, slide 4, back cover 5 and electronic refrigerating chip 6; The one LED lamp pearl 11 and the 2nd LED lamp pearl 12 are positioned at reflector 3; The rim of a bowl with reflector is forward a benchmark; To be divided into two parts up and down perpendicular to the rim of a bowl, the first half reflecting surface is the dipped beam reflecting surface with the reflecting surface of reflector, and the latter half reflecting surface is the distance light reflecting surface.The first half dipped beam reflecting surface of reflector 3 is for being the benchmark curved surface with a parabola; This parabola is divided into several zones; Adjust the free form surface that satisfies the dipped headlights light distribution requirements that forms after each regional curvature and the direction; The one LED lamp pearl 11 is set on the focus of this benchmark curved surface; And guarantee that a LED lamp pearl 11 centres of luminescence drop on the focus of this benchmark curved surface, and the direction that is provided with of a LED lamp pearl 11 is that light-emitting area makes progress, promptly the light of a LED lamp pearl 11 is whole or most drops in the first half reflecting surface of reflector; The latter half distance light reflecting surface of reflector 3 is for being the benchmark curved surface with another parabola; This parabola is divided into several zones; Adjust the free form surface that satisfies the high beam light distribution requirements that forms after each regional curvature and the direction; The 2nd LED lamp pearl 12 is set on the focus of this benchmark curved surface, and guarantees that the 2nd LED lamp pearl 12 centres of luminescence drop on the focus of this benchmark curved surface, the direction that is provided with of the 2nd LED lamp pearl 12 is that light-emitting area is downward.The one LED lamp pearl 11 and the 2nd LED lamp pearl 12 bottoms all are welded with the aluminium sheet 8 as conductive structure; Aluminium sheet 8 is attached to through sheet metal 7 on the heat-absorbent surface 61 of electronic refrigerating chip 6, and the heating face 62 of electronic refrigerating chip 6 is close on the radiator 2 that is positioned at behind the reflector bottom centre installing hole; The one LED lamp pearl 11, the 2nd LED lamp pearl 12, electronic refrigerating chip 6, reflector 3 and radiator 2 are installed in the back cover 5, and slide 4 is arranged on reflector the rim of a bowl the place ahead.
Embodiment five: like Fig. 5, automobile-used LED headlamp (i.e. second kind of Assembled lamp) shown in Figure 7; Comprise a LED lamp pearl 11, the 2nd LED lamp pearl 12, radiator 2, reflector 3, slide 4, back cover 5 and electronic refrigerating chip 6; The one LED lamp pearl 11 and the 2nd LED lamp pearl 12 are positioned at reflector 3, are forward benchmark with the rim of a bowl of reflector, with the reflecting surface of reflector to be divided into two parts up and down perpendicular to the rim of a bowl; The first half is the dipped beam reflecting surface, and the latter half is the distance light reflecting surface.The reflecting surface that the first halves form dipped beams in the reflector 3 is for being the benchmark curved surface with a parabola; This parabola is divided into several zones; Adjust the free form surface that satisfies the dipped headlights light distribution requirements that forms after each regional curvature and the direction; The one LED lamp pearl 11 is set on the focus of this benchmark curved surface; And guarantee that a LED lamp pearl 11 centres of luminescence drop on the focus of this benchmark curved surface, and the direction that is provided with of a LED lamp pearl 11 is that light-emitting area makes progress, promptly the light of a LED lamp pearl 11 all drops in the first half reflecting surface of reflector; The reflecting surface that Lower Halves form distance light in the reflector 3 is for being the benchmark curved surface with another parabola; This parabola is divided into several zones; Adjust the free form surface that satisfies the high beam light distribution requirements that forms after each regional curvature and the direction; The 2nd LED lamp pearl 12 is set on the focus of this benchmark curved surface; And guarantee that the 2nd LED lamp pearl 12 centres of luminescence drop on the focus of this benchmark curved surface, the direction that is provided with of the 2nd LED lamp pearl 12 is on luminous prone basis, turn forward 90 ° (promptly being right against reflector the rim of a bowl direction).The one LED lamp pearl 11 and the 2nd LED lamp pearl 12 bottoms all are welded with the aluminium sheet 8 as conductive structure; Aluminium sheet 8 is attached to through sheet metal 7 on the heat-absorbent surface 61 of electronic refrigerating chip 6, and the heating face 62 of electronic refrigerating chip 6 is close on the radiator 2 that is positioned at behind the reflector bottom centre installing hole; The one LED lamp pearl 11, the 2nd LED lamp pearl 12, electronic refrigerating chip 6, reflector 3 and radiator 2 are installed in the back cover 5, and slide 4 is arranged on reflector the rim of a bowl the place ahead.
Embodiment six: like Fig. 6, automobile-used LED headlamp (being the third Assembled lamp) shown in Figure 7; Comprise a LED lamp pearl 11, the 2nd LED lamp pearl 12, radiator 2, reflector 3, slide 4, back cover 5 and electronic refrigerating chip 6; The one LED lamp pearl 11 and the 2nd LED lamp pearl 12 are positioned at reflector 3, are forward benchmark with the rim of a bowl of reflector, with the reflecting surface of reflector to be divided into two parts up and down perpendicular to the rim of a bowl; The first half is the dipped beam reflecting surface, and the latter half is the distance light reflecting surface.The reflecting surface that the first half form dipped beams in the reflector 3 is for being the benchmark curved surface with a parabola; This parabola is divided into several zones; Adjust the free form surface that satisfies the dipped headlights light distribution requirements that forms after each regional curvature and the direction; The one LED lamp pearl 11 is set on the focus of this benchmark curved surface; And guarantee that a LED lamp pearl 11 centres of luminescence drop on the focus of this benchmark curved surface, and the direction that is provided with of a LED lamp pearl 11 is that light-emitting area makes progress, promptly the light of a LED lamp pearl 11 all drops in the first half reflecting surface of reflector; The reflecting surface that the latter halfs form distance light in the reflector 3 is for being the benchmark curved surface with another parabola; This parabola is divided into several zones; Adjust the free form surface that satisfies the high beam light distribution requirements that forms after each regional curvature and the direction; The 2nd LED lamp pearl 12 is set on the focus of this benchmark curved surface; And guarantee that the 2nd LED lamp pearl 12 centres of luminescence drop on the focus of this benchmark curved surface, the direction that is provided with of the 2nd LED lamp pearl 12 is on luminous prone basis, recede 90 ° (directions at the bottom of promptly being right against the reflector bowl).The one LED lamp pearl 11 and the 2nd LED lamp pearl 12 bottoms all are welded with the aluminium sheet 8 as conductive structure; Aluminium sheet 8 is attached to through sheet metal 7 on the heat-absorbent surface 61 of electronic refrigerating chip 6, and the heating face of electronic refrigerating chip 62 is close on the radiator 2 that is positioned at behind the reflector bottom centre installing hole; The one LED lamp pearl 11, the 2nd LED lamp pearl 12, electronic refrigerating chip 6, reflector 3 and radiator 2 are installed in the back cover 5, and slide 4 is arranged on reflector the rim of a bowl the place ahead.
Generally, the LED lamp pearl that is used for dipped beam is lower than the power of the LED lamp pearl that is used for distance light, and LED lamp pearl also can be with a plurality of.
Claims (8)
1. an automobile-used LED headlamp comprises LED lamp pearl (1), reflector (3), slide (4) and back cover (5), and LED lamp pearl is positioned at reflector, and LED lamp pearl and reflector are installed in the back cover, and slide is arranged on reflector the rim of a bowl the place ahead; It is characterized in that: the reflecting surface of said reflector is to be the benchmark curved surface with the parabola, and the centre of luminescence of said LED lamp pearl is positioned on the focus of benchmark curved surface.
2. automobile-used LED headlamp according to claim 1 is characterized in that: the reflecting surface of said reflector is to be the benchmark curved surface with the parabola, the free form surface that after adjustment, forms.
3. automobile-used LED headlamp according to claim 1 and 2; It is characterized in that: said headlamp is a dipped headlights; The LED lamp pearl centre of luminescence is arranged on the focus of said benchmark curved surface; The rim of a bowl with reflector is forward a benchmark, and the direction that is provided with of LED lamp pearl is that light-emitting area makes progress, or on the basis that light-emitting area makes progress, tilts 0 °～60 ° forward or backward; The light of LED lamp pearl is all or part of to be dropped in the first half reflecting surface of reflector, and the light that LED lamp pearl sends is through reflecting surface reflection formation forward "cut-off"line clearly.
4. automobile-used LED headlamp according to claim 1 and 2; It is characterized in that: said headlamp is a high beam; The LED lamp pearl centre of luminescence is arranged on the focus of benchmark curved surface, is forward benchmark with the rim of a bowl of reflector, and the direction that is provided with of LED lamp pearl is that light-emitting area is downward; Or on luminous prone basis, tilt forward or backward 0 °～90 °, the light that LED lamp pearl sends is in reflecting surface reflexes to the zone of the place ahead filament shield appointment.
5. automobile-used LED headlamp according to claim 1 and 2; It is characterized in that: said headlamp is the Assembled lamp of distance light and dipped beam; The rim of a bowl with reflector is forward a benchmark; The first half reflecting surface of reflector (3) is the dipped beam reflecting surface, and it is to be the free form surface that the benchmark curved surface forms after adjusting with a parabola, and LED lamp pearl is set on the focus of this benchmark curved surface; And guarantee that the LED lamp pearl centre of luminescence drops on the focus of this benchmark curved surface; LED lamp pearl be provided with direction be light-emitting area upwards, or on the basis that light-emitting area makes progress, tilt 0 °～60 ° forward or backward, the light that LED lamp pearl sends is all or part of to be dropped in the first half reflecting surface of reflector; The latter half reflecting surface of said reflector (3) is the distance light reflecting surface; It is to be the free form surface that the benchmark curved surface forms after adjusting with another parabola; Other LED lamp pearl is set on the focus of this benchmark curved surface; And guarantee that this LED lamp pearl centre of luminescence drops on the focus of this benchmark curved surface, the direction that is provided with of this LED lamp pearl is that light-emitting area is downward, or on luminous prone basis, tilts forward or backward 0 °～90 °.
6. automobile-used LED headlamp according to claim 3; It is characterized in that: behind reflector (3) bottom centre installing hole, be provided with electronic refrigerating chip (6) and radiator (2); LED lamp pearl (1) directly or indirectly is attached on the heat-absorbent surface (61) of electronic refrigerating chip, and the heating face of electronic refrigerating chip (62) is close on the radiator (2).
7. automobile-used LED headlamp according to claim 4; It is characterized in that: behind reflector (3) bottom centre installing hole, be provided with electronic refrigerating chip (6) and radiator (2); LED lamp pearl (1) directly or indirectly is attached on the heat-absorbent surface (61) of electronic refrigerating chip, and the heating face of electronic refrigerating chip (62) is close on the radiator (2).
8. automobile-used LED headlamp according to claim 5; It is characterized in that: behind reflector (3) bottom centre installing hole, be provided with electronic refrigerating chip (6) and radiator (2); LED lamp pearl (1) directly or indirectly is attached on the heat-absorbent surface (61) of electronic refrigerating chip, and the heating face of electronic refrigerating chip (62) is close on the radiator (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110423351XA CN102519001A (en) | 2011-12-16 | 2011-12-16 | Vehicular LED headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110423351XA CN102519001A (en) | 2011-12-16 | 2011-12-16 | Vehicular LED headlamp |
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| CN102519001A true CN102519001A (en) | 2012-06-27 |
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| CN103022335A (en) * | 2012-12-07 | 2013-04-03 | 赵建光 | Integrated electronic cooling module of diaphragm panel ceramic (DPC) substrate of light-emitting diode (LED) flip chip and manufacturing method of integrated electronic cooling module |
| CN103486516A (en) * | 2013-09-24 | 2014-01-01 | 常州市赛尔交通器材有限公司 | Rail locomotive and rolling stock headlamp with LED (light-emitting diode) light sources |
| CN103574456A (en) * | 2012-08-10 | 2014-02-12 | 何洋 | LED (Light Emitting Diode) front headlamp of vehicle |
| CN104344383A (en) * | 2014-10-30 | 2015-02-11 | 力帆实业(集团)股份有限公司 | Heat dissipation structure for headlamp of motorcycle |
| CN104359065A (en) * | 2014-10-30 | 2015-02-18 | 力帆实业(集团)股份有限公司 | Motorcycle headlamp lighting structure |
| US20150092436A1 (en) * | 2013-09-27 | 2015-04-02 | Valeo Lighting Systems North America, Llc | Multi-function led headlamp |
| CN105927916A (en) * | 2016-06-14 | 2016-09-07 | 天津台铃车业有限公司 | High-beam and low-beam lamp unit of electric vehicle |
| CN106838771A (en) * | 2017-04-01 | 2017-06-13 | 浙江省金华市第特种灯泡厂 | A kind of automotive LED headlamp |
| CN110594600A (en) * | 2019-09-24 | 2019-12-20 | 重庆路友光电有限公司 | Adjustable three-primary-color LED lamp |
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| CN103574456A (en) * | 2012-08-10 | 2014-02-12 | 何洋 | LED (Light Emitting Diode) front headlamp of vehicle |
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| CN104359065A (en) * | 2014-10-30 | 2015-02-18 | 力帆实业(集团)股份有限公司 | Motorcycle headlamp lighting structure |
| CN104359065B (en) * | 2014-10-30 | 2019-05-10 | 力帆实业(集团)股份有限公司 | Motorcycle headlamp light structures |
| CN104344383B (en) * | 2014-10-30 | 2023-07-04 | 力帆实业(集团)股份有限公司 | Radiating structure of motorcycle head lamp |
| CN105927916A (en) * | 2016-06-14 | 2016-09-07 | 天津台铃车业有限公司 | High-beam and low-beam lamp unit of electric vehicle |
| CN106838771A (en) * | 2017-04-01 | 2017-06-13 | 浙江省金华市第特种灯泡厂 | A kind of automotive LED headlamp |
| CN110594600A (en) * | 2019-09-24 | 2019-12-20 | 重庆路友光电有限公司 | Adjustable three-primary-color LED lamp |
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Application publication date: 20120627 |