CN111692566A - High beam lamp bulb - Google Patents
High beam lamp bulb Download PDFInfo
- Publication number
- CN111692566A CN111692566A CN202010710674.6A CN202010710674A CN111692566A CN 111692566 A CN111692566 A CN 111692566A CN 202010710674 A CN202010710674 A CN 202010710674A CN 111692566 A CN111692566 A CN 111692566A
- Authority
- CN
- China
- Prior art keywords
- light
- led lamp
- baffle
- high beam
- axis
- 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.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims abstract description 40
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 229910052736 halogen Inorganic materials 0.000 description 9
- 150000002367 halogens Chemical class 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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]
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
-
- 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
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- 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)
Abstract
The invention discloses a high beam lamp bulb which comprises a lamp holder, wherein a light gathering bowl is arranged on the lamp holder, the fixed end of the light gathering bowl is connected with the lamp holder, a group of LED lamp beads are arranged on the lamp holder, the LED lamp beads are positioned in the light gathering bowl, a light shielding cylinder is arranged at the port of the light gathering bowl, a baffle is arranged at the port of the light shielding cylinder, and the upper part of the port of the light shielding cylinder is shielded by the baffle and only an opening at the lower part is reserved; according to the LED lamp bulb, the LED lamp bead is installed on a heat dissipation lamp holder, the light gathering bowl is sleeved on the periphery of the LED lamp bead, the baffle is arranged in front of the light gathering bowl and connected with the light gathering bowl through the light shielding cylinder, light rays emitted to the periphery of the LED lamp bead can be gathered through the light gathering bowl firstly, most of the light rays of the LED lamp bead are switched into forward light rays after the light rays are gathered, the baffle is arranged at the front end opening of the light shielding cylinder, only the forward light rays below the baffle can pass through, the light rays higher than the baffle and a small amount of light rays which penetrate the inner wall of the light shielding cylinder are blocked, the light rays emitted by.
Description
Technical Field
The invention relates to a headlamp of an automobile or an electric vehicle, in particular to a high beam bulb of the automobile or the electric vehicle.
Background
When the automobile or the electric vehicle runs in a dark environment, the headlamp needs to be turned on so that a driver can observe the condition of the road surface conveniently; the most common automobile high beam lamp bulb in the market at present is a halogen bulb, and comprises a lamp holder and a hollow transparent lampshade, wherein one end of the lampshade is connected with the lamp holder, the other end of the lampshade is provided with a closed top cover, a binding post is arranged in the lampshade, the binding post extends out of the outer side of the lampshade, and the end part of the binding post, which is positioned in the lampshade, is connected with a filament; the lamp holder is connected with the base, and the pins of the base are connected with the binding posts to form a complete automobile headlamp bulb; when the lamp is used, the lamp bulb is inserted into a reflecting cover of the automobile headlamp, and the clamp spring is loosened to fix the lamp bulb after the lamp bulb is aligned with the installation position.
The halogen bulb belongs to a point light source, although light rays can be changed into parallel irradiation (the light rays irradiated in parallel are called as effective light rays) through the reflecting bowl, the light source utilization rate of the halogen headlamp is generally only 40%, many light rays cannot realize parallel irradiation, so that the light rays are easy to be dazzled when being diffused all around, when a vehicle facing a lane is provided with a high beam, the sight line is difficult to avoid the high beam, pupils can be instantly reduced when eyes of people see strong light rays, and a period of time is needed for recovering to see objects in dim light rays again, which causes the problem of driving safety.
In addition, some people change the halogen lamp into a xenon lamp or an LED lamp in order to improve the brightness, but because the position and the shape of a bulb of the xenon lamp or the LED are changed, a reflector of an original vehicle cannot condense light, and at the moment, the emitted light is in a scattering state, so that a driver cannot see the road clearly and can flash to the opposite side, and the people are not good.
Disclosure of Invention
In order to overcome the technical problems, the invention provides the automobile high beam bulb, the light-gathering cover is arranged outside the bulb to gather light, so that the light emitted by the bulb is prevented from being scattered all around, and the utilization rate of the light is improved.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a high beam lamp bulb, includes the lamp stand, its characterized in that: the lamp holder is provided with a non-transparent light gathering bowl, the fixed end of the light gathering bowl is connected with the lamp holder, a group of LED lamp beads is arranged on the lamp holder, the LED lamp beads are positioned in the light gathering bowl, a light shading cylinder coaxial with the light gathering bowl is arranged at the port of the light gathering bowl, a baffle is arranged at the port of the light shading cylinder, and the upper part of the port of the light shading cylinder is shaded by the baffle to keep an opening at the lower part.
The LED lamp bead mounting end surface is vertical to the axis of the light gathering bowl and the shading cylinder; the center of the LED lamp bead is positioned on the axis of the light gathering bowl and the shading cylinder.
The lower edge of the baffle is positioned above or below the center of the port of the light shielding cylinder.
The shading cylinder is of a circular or oval structure.
The shading cylinder gradually changes from a circle to an ellipse, and one circular end of the shading cylinder is connected with the light gathering bowl; the width of one end of the light shading cylinder in the oval shape is larger than the height.
The light gathering bowl is made of aluminum material.
The LED lamp is characterized by further comprising a base, the lamp holder is fixed on the base, and the pins of the base are connected with the LED lamp beads.
The base is provided with a connecting end, the axis of the connecting end and the axis of the base form an included angle, the lamp holder is spliced or screwed on the connecting end, the light gathering bowl and the shading cylinder are coaxial with the connecting end,
the axis of link and the axis of base be 1 degree to 4 degrees contained angles, during the axis horizontal direction of base, the axis of light gathering bowl and lightproof section of thick bamboo is the slope downwards.
The connecting line of the lower edge of the LED lamp bead and the lower edge of the baffle is parallel to the axis of the base.
The halogen headlamp is of a structure similar to a halogen headlamp, the LED lamp bead is arranged on a radiating lamp holder, the periphery of the LED lamp bead is sleeved with the light gathering bowl, a baffle is arranged in front of the light gathering bowl, the baffle is connected with the light gathering bowl through the light shading cylinder, light rays emitted to the periphery of the LED lamp bead can be gathered through the light gathering bowl firstly, most of the light rays of the LED lamp bead are switched into forward light rays after being gathered, the baffle is arranged at the front port of the light shading cylinder, only the forward light rays below the baffle can pass through, and the light rays higher than the baffle and a small amount of light rays which irradiate the inner wall; in addition, the horizontal position of the lower edge of the LED lamp bead is higher than or equal to the horizontal height of the lower edge of the baffle, so that the strong light emitted from the vehicle lamp can be limited at the height of the vehicle lamp, and the height of the vehicle lamp is far lower than the head position of a general adult, so that the problem that the strong light directly irradiates eyes is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a first embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of a structure cooperating with a base;
FIG. 4 is a schematic view of an internal structure of an embodiment cooperating with a base;
fig. 5 is a cross-sectional view of an oval light-shielding tube according to the first embodiment;
FIG. 6 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 7 is a schematic diagram of the internal structure of a second embodiment of the present invention;
FIG. 8 is a schematic view of a second embodiment of the present invention in conjunction with a base;
fig. 9 is a schematic view of an internal structure of the second embodiment of the present invention, which is engaged with a base.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-5, the invention provides an automobile high beam lamp bulb, which comprises a lamp holder 1, wherein an aluminum light gathering bowl 2 is arranged on the lamp holder 1, the fixed end of the light gathering bowl 2 is connected with the lamp holder 1, a group of LED lamp beads 3 are arranged on the lamp holder 1, the LED lamp beads 3 are positioned in the light gathering bowl 2, a light shielding cylinder 4 coaxial with the light gathering bowl 2 is arranged at the port of the light gathering bowl 2, the light shielding cylinder 4 is gradually changed from a circle to an ellipse, and the circle end of the light shielding cylinder is connected with the light gathering bowl; the width of one end of the light shading cylinder in an oval shape is larger than the height; a baffle 5 is arranged at the port of the shading cylinder 4, and the baffle 5 shields the upper part of the port of the shading cylinder 4 and only leaves an opening 6 at the lower part; the lower edge of the baffle 5 is positioned below the central axis C of the shading cylinder 4; the mounting end surface of the LED lamp bead 3 is vertical to the axis of the light gathering bowl 2 and the shading cylinder 4; the center of the LED lamp bead 3 is positioned on the axis of the light gathering bowl 2 and the shading cylinder 4; the LED lamp also comprises a base 7, wherein a pin 71 of the base 7 is connected with the LED lamp bead 3; the lamp holder 1 is spliced or screwed on the connecting end, and the light gathering bowl 2 and the shading cylinder 4 are coaxial with the connecting end 72.
The axis of link (72) and the axis of base (7) be 1 degree to 1.3 degree contained angles, during the axis horizontal direction of base, the axis of light bowl and lightproof section of thick bamboo is the slope downwards.
An included angle is formed between the axis of the shading cylinder and the axis of the base, the included angle is between 1 degree and 1.3 degrees, the average width of a common car headlamp is about 1400mm, the irradiation radius of a single lamp is about 700mm, the range is about 30000mm, the average height of a car lamp is about 700mm-900mm, the average height is calculated by using the light emitted by the LED lamp bead with the downward inclination of 1.3 degrees, 700/30000=0.0233 approximately equals tan1.3, and the basic irradiation distance of the LED can reach about 30 meters.
According to the invention, the horizontal position of the lower edge of the LED lamp bead is higher than or equal to the horizontal height of the lower edge of the baffle, as shown in fig. 4, the connecting line A between the lower edge of the LED lamp bead and the lower edge of the baffle is parallel to the axis B of the base, so that the strong light emitted from the vehicle lamp can be limited to the height of the vehicle lamp, and the problem that the strong light directly irradiates eyes is avoided because the height of the vehicle lamp is far lower than the head position of a general adult. The specific inclination angle and the height of the lower edge of the baffle can be properly adjusted according to the length and the diameter of the shading cylinder.
The shading cylinder gradually changes from a circular shape to an oval shape, the width of the oval shading cylinder is larger than the height, the light irradiation range is wider, the width range in front of the light irradiation is 3-4.5 m according to the average width of 1400mm of a general car headlamp, the light is ensured to illuminate the front visual field of a driver, and passersby outside a main lane cannot be blinked (the light of a high beam on the market is scattered at present, so that the driver in an opposite lane is not only dazzled, but also passersby on a sidewalk can be blinked).
The structure of the invention is similar to that of a halogen headlamp, a light gathering bowl and a light shading cylinder are equivalent to a transparent lampshade of the halogen headlamp, an LED lamp bead is arranged on a heat dissipation lamp holder, the light gathering bowl is sleeved on the periphery of the LED lamp bead, a baffle is arranged in front of the light gathering bowl and is connected with the light gathering bowl through the light shading cylinder, light rays emitted to the periphery of the LED lamp bead can be gathered through the light gathering bowl firstly, most of the light rays of the LED lamp bead are switched into forward light rays after being gathered, and only the forward light rays below the baffle can pass through the baffle due to the fact that the baffle is arranged at the front port of the light shading cylinder, and the light rays higher than the; therefore, the invention can directly replace the common halogen headlamp.
Example two:
as shown in fig. 6-9, the invention provides a high beam lamp bulb of an electric vehicle, which comprises a lamp holder 1, wherein an aluminum light gathering bowl 2 is arranged on the lamp holder 1, the fixed end of the light gathering bowl 2 is connected with the lamp holder 1, a group of LED lamp beads 3 are arranged on the lamp holder 1, the LED lamp beads 3 are positioned in the light gathering bowl 2, a light shielding cylinder 4 coaxial with the light gathering bowl 2 is arranged at the port of the light gathering bowl 2, and the light shielding cylinder 4 is of a circular structure. A baffle 5 is arranged at the port of the shading cylinder 4, and the baffle 5 shields the upper part of the port of the shading cylinder 4 and only an opening 6 at the lower part is reserved.
The mounting end surface of the LED lamp bead 3 is vertical to the axis of the light gathering bowl 2 and the shading cylinder 4; the center of the LED lamp bead 3 is positioned on the axis C of the light gathering bowl 2 and the shading cylinder 4.
The lower edge of the baffle 5 is positioned above the center of the port of the shading cylinder 4.
The LED lamp holder is characterized by further comprising a base 7, the lamp holder 1 is fixed on the base 7, and the pins 71 of the base 7 are connected with the LED lamp beads 3.
The axis of lamp stand 1 and the axis of base 7 be 3 degrees contained angles, during the axis horizontal direction of base, the axis of lamp stand, light bowl and shading section of thick bamboo is the slope downwards.
The lamp holder 1 is clamped on the base 7.
The highest speed of the electric vehicle is 25 KM/h, the speed is much slower than that of the vehicle, the electric vehicle is relatively controllable, and the influence of a high beam light on people is relatively small; the electric vehicle is provided with only one or two parallel lamps without average width, the core illumination of the left side and the right side is 1200mm, the average height of the lamps is generally 600mm-1000mm, the basic illumination distance of the LED can reach about 15 meters by calculating the light emitted by the LED lamp bead at 3 degrees of downward inclination, and the illumination height of most of the high beam does not exceed the height of the headlamp; the specific inclination angle and the height of the lower edge of the baffle can be properly adjusted according to the length and the diameter of the shading cylinder.
The lower edge of the automobile shading cylinder baffle 5 is positioned below the axis of the shading cylinder 4, and the lower edge of the electric vehicle shading cylinder baffle 5 is positioned above the axis of the shading cylinder 4, because the automobile and the electric vehicle have different long-distance lamp ranges, different lengths of the shading cylinders and different included angles of the shading cylinders relative to the base. No matter below or above, as long as the connecting line A of the lower edge of the LED lamp bead and the lower edge of the baffle is parallel to the axis B of the base, the strong light emitted from the vehicle lamp can be blocked, and thus the problem that the strong light irradiates eyes directly is avoided.
Claims (10)
1. A high beam lamp bulb, includes lamp stand (1), its characterized in that: be provided with a non-transparent light gathering bowl (2) on lamp stand (1), the stiff end and the lamp stand (1) of light gathering bowl (2) are connected, have a set of LED lamp pearl (3) to set up on lamp stand (1), LED lamp pearl (3) are located light gathering bowl (2), be provided with in light gathering bowl (2) port department with light gathering bowl (2) coaxial anti-dazzling screen (4), the port department of anti-dazzling screen (4) is provided with a baffle (5), baffle (5) cover anti-dazzling screen (4) port upper portion and only keep out opening (6) of lower part.
2. The high beam light bulb as recited in claim 1, wherein: the mounting end surface of the LED lamp bead (3) is vertical to the axis of the light gathering bowl (2) and the shading cylinder (4); the center of the LED lamp bead (3) is positioned on the axis of the light gathering bowl (2) and the shading cylinder (4).
3. The high beam light bulb as recited in claim 1, wherein: the lower edge of the baffle (5) is positioned above the center of the port of the shading cylinder (4).
4. The high beam light bulb as recited in claim 1, wherein: the lower edge of the baffle (5) is positioned below the center of the port of the shading cylinder (4).
5. The high beam bulb for vehicle as claimed in claim 1, wherein: the shading cylinder (4) is of a circular or oval structure.
6. The high beam light bulb as recited in claim 5, wherein: the shading cylinder (4) gradually changes from a circle to an ellipse, and the round end of the shading cylinder (4) is connected with the light gathering bowl (2); the width of one end of the light shading tube (4) in the shape of an ellipse is larger than the height.
7. A high beam light bulb as claimed in claim 1 or 2, characterized in that: the LED lamp holder is characterized by further comprising a base (7), the lamp holder (1) is fixed on the base (7), and the pins (71) of the base (7) are connected with the LED lamp beads (3).
8. The high beam light bulb as recited in claim 7, wherein: be provided with link (72) on base (7), the axis of link (72) is an contained angle with the axis of base (7), lamp stand (1) peg graft or connect soon on the link, light bowl (2) and anti-light section of thick bamboo (4) are coaxial with link (72).
9. The high beam light bulb as recited in claim 8, wherein: the axis of link (72) and the axis of base (7) be 1 degree to 4 degrees contained angles, during the axis horizontal direction of base, the axis of spotlight bowl and lightproof section of thick bamboo is the slope downwards.
10. The high beam light bulb as recited in claim 9, wherein: the connecting line of the lower edge of the LED lamp bead (3) and the lower edge of the baffle (5) is parallel to the axis of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710674.6A CN111692566A (en) | 2020-07-22 | 2020-07-22 | High beam lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710674.6A CN111692566A (en) | 2020-07-22 | 2020-07-22 | High beam lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692566A true CN111692566A (en) | 2020-09-22 |
Family
ID=72486703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010710674.6A Pending CN111692566A (en) | 2020-07-22 | 2020-07-22 | High beam lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692566A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06314503A (en) * | 1993-04-30 | 1994-11-08 | Stanley Electric Co Ltd | Projector-type head lamp |
| CN2625203Y (en) * | 2003-06-19 | 2004-07-14 | 上海小糸车灯有限公司 | Head light of automobile capable of changing light form conveniently |
| US20060209557A1 (en) * | 2005-03-15 | 2006-09-21 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| JP2010092747A (en) * | 2008-10-09 | 2010-04-22 | Koito Mfg Co Ltd | Vehicle headlamp |
| CN212252447U (en) * | 2020-07-22 | 2020-12-29 | 陈荣卫 | High beam lamp bulb |
-
2020
- 2020-07-22 CN CN202010710674.6A patent/CN111692566A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06314503A (en) * | 1993-04-30 | 1994-11-08 | Stanley Electric Co Ltd | Projector-type head lamp |
| CN2625203Y (en) * | 2003-06-19 | 2004-07-14 | 上海小糸车灯有限公司 | Head light of automobile capable of changing light form conveniently |
| US20060209557A1 (en) * | 2005-03-15 | 2006-09-21 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| JP2010092747A (en) * | 2008-10-09 | 2010-04-22 | Koito Mfg Co Ltd | Vehicle headlamp |
| CN212252447U (en) * | 2020-07-22 | 2020-12-29 | 陈荣卫 | High beam lamp bulb |
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