CN114508738A - Signal lamp lens - Google Patents
Signal lamp lens Download PDFInfo
- Publication number
- CN114508738A CN114508738A CN202210109221.7A CN202210109221A CN114508738A CN 114508738 A CN114508738 A CN 114508738A CN 202210109221 A CN202210109221 A CN 202210109221A CN 114508738 A CN114508738 A CN 114508738A
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- Prior art keywords
- lens
- degrees
- cambered surface
- insection
- included angle
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
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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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of vehicle signal lamps, in particular to a vehicle signal lamp lens. It is proposed a signal lens for a vehicle, comprising: the lens outer surface is a smooth surface; an inner lens surface including a polygonal lens and a fan lens group; the polygonal lens is positioned in the central area of the inner surface of the lens; the center point of the fan-shaped lens group is superposed with the center point of the polygonal lens, and the fan-shaped lens group is spliced with each edge of the polygonal lens; the fan-shaped lens group comprises a plurality of insections with different radians. The outer surface of the lens is a smooth surface, so that the lens is convenient to process and manufacture, and the surface is easy to clean; the inner surface of the lens adopts different insections arranged regularly to form the fan-shaped lens group, thereby reducing the design complexity and facilitating the processing and manufacturing of the die. Because the angle on each insection is accurately designed, the accurate control of the light emitted by the light source is realized, and the utilization efficiency of the light is also improved.
Description
Technical Field
The invention relates to the technical field of signal lamps, in particular to a signal lamp lens.
Background
Most automobile-used signal lamps in the existing market are designed by the optical structures of a light source, a condensing lens and a light distribution lens, and usually, at least 2 lenses are needed to achieve the light distribution effect.
Therefore, a new lens for signal lamps is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a vehicle signal lamp which only needs one lens and only needs an optical structure on the inner surface of the lens to meet the light intensity requirement of the vehicle signal lamp.
In order to achieve the above object, the present invention provides a signal lens for illuminating a vehicle, comprising:
the lens outer surface is a smooth surface;
an inner lens surface including a polygonal lens and a fan lens group;
the polygonal lens is positioned in the central area of the inner surface of the lens;
the center point of the fan-shaped lens group is superposed with the center point of the polygonal lens, and the fan-shaped lens group is spliced with each edge of the polygonal lens;
the fan-shaped lens group comprises a plurality of insections with different radians.
Further, a plurality of insections with different radians respectively comprise a first insection, a second insection, a third insection, a fourth insection, a fifth insection, a sixth insection, a seventh insection and an eighth insection from inside to outside:
the first insection comprises a first cambered surface and a second cambered surface;
the included angle between the first cambered surface and the outer surface of the lens is 30-35 degrees, and the included angle between the second cambered surface and the outer surface of the lens is 65-75 degrees;
the second gear comprises a third cambered surface and a fourth cambered surface;
the included angle between the third cambered surface and the outer surface of the lens is 55-65 degrees, and the included angle between the fourth cambered surface and the outer surface of the lens is 65-75 degrees;
the third insection comprises a fifth cambered surface and a sixth cambered surface;
the included angle between the fifth cambered surface and the outer surface of the lens is 65-75 degrees, and the included angle between the sixth cambered surface and the outer surface of the lens is 65-75 degrees;
the fourth insection comprises a seventh cambered surface and an eighth cambered surface;
the included angle between the seventh cambered surface and the outer surface of the lens is 88-89 degrees, and the included angle between the eighth cambered surface and the outer surface of the lens is 28-33 degrees;
the fifth insection comprises a ninth cambered surface and a tenth cambered surface;
the included angle between the ninth cambered surface and the outer surface of the lens is 55-65 degrees, and the included angle between the tenth cambered surface and the outer surface of the lens is 60-65 degrees;
the sixth insection comprises an eleventh cambered surface and a twelfth cambered surface;
the included angle between the eleventh cambered surface and the outer surface of the lens is 55-65 degrees, and the included angle between the twelfth cambered surface and the outer surface of the lens is 55-65 degrees;
the seventh insection comprises a thirteenth cambered surface and a fourteenth cambered surface;
the included angle between the thirteenth cambered surface and the outer surface of the lens is 43-46 degrees, and the included angle between the fourteenth cambered surface and the outer surface of the lens is 65-70 degrees;
the eighth tooth line comprises a fifteenth arc surface and a sixteenth arc surface;
the included angle between the fifteenth cambered surface and the outer surface of the lens is 11-15 degrees, and the included angle between the sixteenth cambered surface and the outer surface of the lens is 28-32 degrees.
Further, the fan-shaped lens group comprises two first lens groups, a second lens and a third lens;
the two first lens groups are arranged in a mirror image mode along the radial direction of the polygonal lens;
one end of each first lens group is spliced with the second lens, and the other end of each first lens group is spliced with the third lens.
Further, the first lens group comprises 3 single lenses formed by splicing;
each single lens is fan-shaped, and the angle range of the vertex angle of each single lens is 25-30 degrees.
Further, said singlet lens comprises one said first insection, two said second insections and one said third insection;
when the signal lamp lens is vertically installed on a vehicle, the single lens is used for refracting light emitted by the light source into spatial solid angles of 10 degrees at the top, 10 degrees at the bottom, 15 degrees at the left and 15 degrees at the right relative to the central line of the signal lamp lens.
Further, the second lens and the third lens are both fan-shaped, and the vertex angle range of the second lens and the vertex angle range of the third lens are both 35-40 degrees.
Further, said second lens includes one of said fourth insections, one of said fifth insections, and one of said sixth insections;
when the signal lamp lens is vertically arranged on a vehicle, the second lens is used for refracting light emitted by the light source into spatial solid angles of 15 degrees at the upper part, 15 degrees at the lower part, 10 degrees at the left part and 45 degrees at the right part relative to the central line of the signal lamp lens.
Further, said third lens includes one said fifth insection, one said seventh insection and one said eighth insection;
when the signal lamp lens is vertically arranged on a vehicle, the third lens is used for refracting light emitted by the light source into spatial solid angles of 15 degrees at the upper part, 15 degrees at the lower part, 80 degrees at the left part and 10 degrees at the right part relative to the central line of the signal lamp lens.
Furthermore, the minimum tooth height of the insections is 2 mm-2.5 mm, and the tooth height of the insections is not more than 50% of the thickness of the signal lamp lens.
Further, the diameter of the outer contour of the inner surface of the lens is not more than 16mm, and the focal length of the signal lamp lens is not more than 8 mm.
The outer surface of the signal lamp lens is smooth, so that the signal lamp lens is convenient to process and manufacture, and the surface is easy to clean; the inner surface of the fan-shaped lens group is formed by arranging (aligning or rotating) different insections according to a certain rule to reduce the design complexity and facilitate the processing and manufacturing of a mold, each insection is responsible for irradiating light emitted by a light source into an area specified by signal lamp regulations in a refraction or reflection mode, and the whole lens meets the light distribution light shape and light intensity required by the signal lamp regulations by arranging different insections according to a certain rule.
Drawings
FIG. 1 is a front view of a signal lens in accordance with a preferred embodiment of the present invention.
FIG. 2 is a cross-sectional view of a portion of a lens of a signal lamp according to a preferred embodiment of the present invention;
FIG. 3 is a front view of a lens structure on the inner surface of a lens of a signal lamp according to a preferred embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In a preferred embodiment of the present invention, as shown in fig. 1 to 3, a signal lamp lens is provided for vehicle lighting, specifically including:
the lens outer surface 1, the lens outer surface 1 is a smooth surface;
a lens inner surface 2 including a polygonal lens 201 and a fan-shaped lens group;
the polygonal lens 201 is located in the central region of the lens inner surface 2;
the center point of the fan-shaped lens group is coincided with the center point of the polygonal lens 201, and the fan-shaped lens group is spliced with each edge of the polygonal lens 201;
the fan-shaped lens group comprises a plurality of insections with different radians.
Specifically, in this embodiment, the outer surface of the lens of the signal lamp is a smooth surface, the inner surface 2 of the lens is provided with a plurality of raised arc-shaped insections, each insection is responsible for irradiating light emitted by the light source to an area specified by signal lamp regulations in a refraction or reflection mode, and the whole lens meets the light distribution light shape and light intensity required by the signal lamp regulations by arranging (aligning or rotating) different insections according to a certain rule.
In the embodiment, the height of the insections is 2mm to 2.5mm at the minimum, and the height of the insections is not more than 50% of the thickness of the lens of the signal lamp.
In the present embodiment, the outer contour diameter of the lens inner surface 2 is not more than 16mm, and the focal length of the signal lens is not more than 8 mm.
In this embodiment, the inner surface 2 of the lens adopts different insections to form a fan-shaped lens set, so that the design complexity is reduced, the processing and manufacturing of a die are facilitated, and the whole lens meets the light distribution light shape and the light intensity required by the signal lamps.
In a preferred embodiment of the present invention, the fan-shaped lens set in the lens of the signal lamp includes a plurality of insections with different radians, and the insections respectively include, from inside to outside, a first insection, a second insection, a third insection, a fourth insection, a fifth insection, a sixth insection, a seventh insection, and an eighth insection:
the first insection comprises a first cambered surface and a second cambered surface;
the included angle between the first cambered surface and the outer surface 1 of the lens is 30-35 degrees, and the included angle between the second cambered surface and the outer surface 1 of the lens is 65-75 degrees;
the second gear comprises a third cambered surface and a fourth cambered surface;
the included angle between the third cambered surface and the outer surface 1 of the lens is 55-65 degrees, and the included angle between the fourth cambered surface and the outer surface 1 of the lens is 65-75 degrees;
the third insection comprises a fifth cambered surface and a sixth cambered surface;
the included angle between the fifth cambered surface and the outer surface 1 of the lens is 65-75 degrees, and the included angle between the sixth cambered surface and the outer surface 1 of the lens is 65-75 degrees;
the fourth insection comprises a seventh cambered surface and an eighth cambered surface;
the included angle between the seventh cambered surface and the outer surface 1 of the lens is 88-89 degrees, and the included angle between the eighth cambered surface and the outer surface 1 of the lens is 28-33 degrees;
the fifth insection comprises a ninth cambered surface and a tenth cambered surface;
the included angle between the ninth cambered surface and the outer surface 1 of the lens is 55-65 degrees, and the included angle between the tenth cambered surface and the outer surface 1 of the lens is 60-65 degrees;
the sixth insection comprises an eleventh cambered surface and a twelfth cambered surface;
the included angle between the eleventh cambered surface and the outer surface 1 of the lens is 55-65 degrees, and the included angle between the twelfth cambered surface and the outer surface 1 of the lens is 55-65 degrees;
the seventh insection comprises a thirteenth cambered surface and a fourteenth cambered surface;
the included angle between the thirteenth cambered surface and the outer surface 1 of the lens is 43-46 degrees, and the included angle between the fourteenth cambered surface and the outer surface 1 of the lens is 65-70 degrees;
the eighth tooth line comprises a fifteenth arc surface and a sixteenth arc surface;
the included angle between the fifteenth cambered surface and the outer surface 1 of the lens is 11-15 degrees, and the included angle between the sixteenth cambered surface and the outer surface 1 of the lens is 28-32 degrees.
Specifically, as shown in fig. 3, in the present embodiment, the fan-shaped lens group includes two first lens groups 202, a second lens 203 and a third lens 204;
the two first lens groups 202 are arranged in a mirror image along the radial direction of the polygonal lens 201;
one end of each first lens group 202 is respectively spliced with the second lens 203, and the other end of each first lens group 202 is respectively spliced with the third lens 204.
In this embodiment, the first lens group 202 includes three single lenses formed by splicing;
each single lens is fan-shaped, and the angle range of the vertex angle of the single lens is 25-30 degrees.
In this embodiment, the first lens group 202 is formed by splicing a first single lens, a second single lens and a third single lens, all of which are the same lens group, wherein the second single lens is obtained by rotating the first single lens clockwise around a central point O (the central point of the polygonal lens 201) by 25 ° to 30 °, for example, 25 ° is selected; similarly, the third single lens is obtained by duplicating the second single lens by rotating it clockwise by 25 ° to 30 ° about the center point O (the center point of the polygonal lens 201), and 25 ° is selected, for example.
In this embodiment, a single lens in the signal lamp lens can increase a light source and a circuit board (thickness is generally 0.2mm ~ 1.6mm), make a module unit, the overall size of this module unit can be controlled in wide 16mm, long 16mm, high 12 mm's within range, can duplicate then 3D permutation with this module unit according to the shape of lamps and lanterns during practical application, the optical axis of every module unit all is parallel with the primary optical axis of car light, the superposition that the light that all module units of duplicating can be evenly multiplied, reduce the inside volume of car light, satisfied vehicle signal lamp's regulation light intensity requirement when improving the figurative degree of freedom of car light 3D.
In the present embodiment, the two first lens groups 202 are arranged in a mirror image along the radial direction of the polygonal lens 201, the upper and lower first lens groups 202 are arranged symmetrically, and the angles for refracting the light emitted from the light source into the spatial solid angle are the same, so that the manufacturing process and the manufacturing cost can be reduced in the manufacturing process.
In the present embodiment, the single lens includes one first insection, two second insections, and one third insection;
when the signal lamp lens is vertically installed on a vehicle, the single lens is used for refracting light emitted by the light source into spatial solid angles of 10 degrees at the top, 10 degrees at the bottom, 15 degrees at the left and 15 degrees at the right relative to the central line of the signal lamp lens.
In the present embodiment, the second lens 203 and the third lens 204 are both fan-shaped, and the vertex angles of the second lens 203 and the third lens 204 are both 35 to 40 °.
In the present embodiment, the second lens 203 includes a fourth insection, a fifth insection, and a sixth insection;
the second lens 203 is used to refract light from the light source into the upper 15 deg., lower 15 deg., left 10 deg., and right 45 deg. spatial solid angles relative to the centerline of the signal lens when the signal lens is mounted upright on a vehicle.
In the present embodiment, third lens 204 includes a fifth insection, a seventh insection, and an eighth insection;
the third lens 204 is used to refract light from the light source into the upper 15, lower 15, left 80, and right 10 spatial solid angles relative to the centerline of the signal lens when the signal lens is mounted upright in a vehicle.
In this embodiment, the focus of each insection all is located the light source point, each insection group collects the light that the light source sent and accurate refraction or reflection go to the region that certain regulation of signal lamp required, the light shape of each luminous region again can accurate concatenation simultaneously, so that make up into the light shape that whole signal lamp regulation needs, because angle on each insection is through accurate design, make the light shape luminance after the concatenation even excessive, there is not the dark space, there is not bright area yet, the accurate control to the light that the light source sent has been realized, the utilization efficiency of light has also been improved.
The outer surface of the signal lamp lens is smooth, so that the signal lamp lens is convenient to process and manufacture, and the surface is easy to clean; the inner surface of the fan-shaped lens group is formed by arranging (aligning or rotating) different insections according to a certain rule to reduce the design complexity and facilitate the processing and manufacturing of a mold, each insection is responsible for irradiating light emitted by a light source into an area specified by signal lamp regulations in a refraction or reflection mode, and the whole lens meets the light distribution light shape and light intensity required by the signal lamp regulations by arranging different insections according to a certain rule.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A signal lens for vehicle lighting, comprising:
the lens outer surface is a smooth surface;
an inner lens surface including a polygonal lens and a fan lens group;
the polygonal lens is positioned in the central area of the inner surface of the lens;
the center point of the fan-shaped lens group is superposed with the center point of the polygonal lens, and the fan-shaped lens group is spliced with each edge of the polygonal lens;
the fan-shaped lens group comprises a plurality of insections with different radians.
2. The signal lamp lens as claimed in claim 1, wherein the insections of different radians respectively include a first insection, a second insection, a third insection, a fourth insection, a fifth insection, a sixth insection, a seventh insection and an eighth insection from inside to outside:
the first insection comprises a first cambered surface and a second cambered surface;
the included angle between the first cambered surface and the outer surface of the lens is 30-35 degrees, and the included angle between the second cambered surface and the outer surface of the lens is 65-75 degrees;
the second gear comprises a third cambered surface and a fourth cambered surface;
the included angle between the third cambered surface and the outer surface of the lens is 55-65 degrees, and the included angle between the fourth cambered surface and the outer surface of the lens is 65-75 degrees;
the third insection comprises a fifth cambered surface and a sixth cambered surface;
the included angle between the fifth cambered surface and the outer surface of the lens is 65-75 degrees, and the included angle between the sixth cambered surface and the outer surface of the lens is 65-75 degrees;
the fourth insection comprises a seventh cambered surface and an eighth cambered surface;
the included angle between the seventh cambered surface and the outer surface of the lens is 88-89 degrees, and the included angle between the eighth cambered surface and the outer surface of the lens is 28-33 degrees;
the fifth insection comprises a ninth cambered surface and a tenth cambered surface;
the included angle between the ninth cambered surface and the outer surface of the lens is 55-65 degrees, and the included angle between the tenth cambered surface and the outer surface of the lens is 60-65 degrees;
the sixth insection comprises an eleventh cambered surface and a twelfth cambered surface;
the included angle between the eleventh cambered surface and the outer surface of the lens is 55-65 degrees, and the included angle between the twelfth cambered surface and the outer surface of the lens is 55-65 degrees;
the seventh insection comprises a thirteenth cambered surface and a fourteenth cambered surface;
the included angle between the thirteenth cambered surface and the outer surface of the lens is 43-46 degrees, and the included angle between the fourteenth cambered surface and the outer surface of the lens is 65-70 degrees;
the eighth tooth line comprises a fifteenth arc surface and a sixteenth arc surface;
the included angle between the fifteenth cambered surface and the outer surface of the lens is 11-15 degrees, and the included angle between the sixteenth cambered surface and the outer surface of the lens is 28-32 degrees.
3. The signal lens of claim 2, wherein the fan lens group includes two first lens groups, a second lens and a third lens;
the two first lens groups are arranged in a mirror image mode along the radial direction of the polygonal lens;
one end of each first lens group is spliced with the second lens, and the other end of each first lens group is spliced with the third lens.
4. The signal lens of claim 3, wherein the first lens group includes three split singlet lenses;
each single lens is fan-shaped, and the angle range of the vertex angle of each single lens is 25-30 degrees.
5. The signal lens of claim 4, wherein said singlet lens includes one said first insection, two said second insections, and one said third insection;
when the signal lamp lens is vertically installed on a vehicle, the single lens is used for refracting light emitted by the light source into spatial solid angles of 10 degrees at the top, 10 degrees at the bottom, 15 degrees at the left and 15 degrees at the right relative to the central line of the signal lamp lens.
6. The signal lamp lens as claimed in claim 3, wherein said second lens and said third lens are each fan-shaped, and wherein said second lens and said third lens each have a vertex angle in the range of 35 ° to 40 °.
7. The signal lamp lens of claim 6, wherein said second lens includes one of said fourth insections, one of said fifth insections, and one of said sixth insections;
when the signal lamp lens is vertically arranged on a vehicle, the second lens is used for refracting light emitted by the light source into spatial solid angles of 15 degrees at the upper part, 15 degrees at the lower part, 10 degrees at the left part and 45 degrees at the right part relative to the central line of the signal lamp lens.
8. The signal lens of claim 6, wherein said third lens includes one of said fifth insections, one of said seventh insections, and one of said eighth insections;
when the signal lamp lens is vertically arranged on a vehicle, the third lens is used for refracting light emitted by the light source into spatial solid angles of 15 degrees at the upper part, 15 degrees at the lower part, 80 degrees at the left part and 10 degrees at the right part relative to the central line of the signal lamp lens.
9. The signal lens of claim 1, wherein the insections have a minimum insection height of 2mm to 2.5mm, the insection height not exceeding 50% of the thickness of the signal lens.
10. The signal lens of claim 1, wherein the outer profile diameter of the inner lens surface is no greater than 16mm, and the focal length of the signal lens is no greater than 8 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210109221.7A CN114508738A (en) | 2022-01-28 | 2022-01-28 | Signal lamp lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210109221.7A CN114508738A (en) | 2022-01-28 | 2022-01-28 | Signal lamp lens |
Publications (1)
Publication Number | Publication Date |
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CN114508738A true CN114508738A (en) | 2022-05-17 |
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ID=81551487
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CN202210109221.7A Pending CN114508738A (en) | 2022-01-28 | 2022-01-28 | Signal lamp lens |
Country Status (1)
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CN (1) | CN114508738A (en) |
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2022
- 2022-01-28 CN CN202210109221.7A patent/CN114508738A/en active Pending
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