CN113864731B - Uniform light thick wall structure - Google Patents
Uniform light thick wall structure Download PDFInfo
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- CN113864731B CN113864731B CN202111048777.1A CN202111048777A CN113864731B CN 113864731 B CN113864731 B CN 113864731B CN 202111048777 A CN202111048777 A CN 202111048777A CN 113864731 B CN113864731 B CN 113864731B
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- thick wall
- light
- wall
- thick
- light incident
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- 239000002245 particle Substances 0.000 claims abstract description 7
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 230000001795 light effect Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- WVHNUGRFECMVLQ-UHFFFAOYSA-N 1,3-dichloro-2-(2,4-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=C(Cl)C=CC=C1Cl WVHNUGRFECMVLQ-UHFFFAOYSA-N 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- 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
- 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
- F21W2103/10—Position lights
-
- 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
- F21W2103/55—Daytime running lights [DRL]
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a uniform light thick-wall structure which comprises a first thick wall and a second thick wall, wherein the light emitting surface of LED particles on a PCB (printed circuit board) positioned on the light incident side of the first thick wall faces the light incident side of the first thick wall, the first thick wall and the second thick wall are of an integrated structure, the wall surfaces of the first thick wall and the second thick wall are integrally opposite, and the light emitting side of the first thick wall and the light incident side of the second thick wall are arranged at intervals. According to the invention, the first thick wall and the second thick wall are of an integral type conjoined structure, so that the integral injection molding single piece does not exist, the assembly of parts between the first thick wall and the second thick wall is not realized, the arrangement space on the lamp assembly is smaller, the installation and fixation are simple and convenient, especially the light homogenizing and condensing characteristics between the first thick wall and the second thick wall are definite, the discreteness of optical performance caused by the assembly process is avoided, and the brightness uniformity and stability of a bright area are ensured.
Description
Technical Field
The invention relates to a light-homogenizing thick-wall part structure of an automobile lamp.
Background
At present, the luminous effect of the automobile lamp becomes a bright spot of the public eyes, since the LED is applied to the automobile field, the homogenization of the light shape is always the target of struggling among a plurality of automobile research and development personnel, the original use of the inner mask with a certain uniform light effect is carried out, the frosted treatment of the inner mask is carried out, the diffusion agent is used for partial functions, the use of the Fresnel mask is carried out, the light guide is used until the use of the light guide is a breakthrough, a large amount of use is carried out by a host factory, after popularization, the single modeling of the light guide and obvious appearance of the light teeth can not meet the aesthetic requirements of the public, the historical breakthrough is generated, namely the thick wall is really provided for the open imagination space of modeling workers, firstly, the special modeling is allowed, secondly, the LED is crystal clear, the texture is superior, the uniform light effect is not enough to the light guide, the mere effect is not to be used for the visual surprise of the public, the light guide is only not used for the light guide, the uniform light effect of the light guide is the object of being overcome, various lamp factories are combined optical schemes, the LED side is used in a large amount, after popularization, the LED side is used, the thick wall is thickened, and the light guide can be thickened by the thick wall is thickened by the thick wall mode according to the thick wall mode is considered to be thickened today. Is a thick-walled thickened wall which can be integrally injection molded. For this reason, the prior art is entitled "a thick-wall light guide and LED thick-wall stop lamp" (CN 210153724U document 1), "a rear combination lamp for realizing uniform light emission using a double-layer thick-wall structure" (CN 210485582U-document 2), and "a high-efficiency combined thick-wall light guide optical system for realizing functional multiplexing" (CN 211260673U-document 3), which are all in an attempt to break through the design, however, the above-mentioned scheme has such drawbacks that only one thick-wall light guide 1 of document 1 is used, such that the light equalizing effect is limited; in document 2, although the double-layer thick-wall member (13) is disposed in the sealed cavity, the light-equalizing effect of the double-layer thick-wall member (13) is not reflected, especially, the double-side thick-wall member (13) is not for light to pass through in sequence, because the light source member (15) is disposed outside the joint portion of the inner shade (131) and the light guide plate (132), the light guide plate (132) with the light spoon (134) disposed on the lower surface thereof should be a reflecting plate rather than a transmitting plate, so the light energy consumption thereof is extremely serious, and the inner shade (131) does not have any light-equalizing structure, so the inner shade (131) is only a mere lens effect; in document 3, the first light source 11 and the second light source 12 are respectively provided corresponding to the rear thick-walled member 2 and the front thick-walled member 3, and the light is not sequentially uniform by the rear thick-walled member 2 and the front thick-walled member 3, so that the light uniformity effect is greatly reduced.
Disclosure of Invention
The invention aims to provide a uniform light thick wall structure with good light uniform effect and stable light surface area.
In order to achieve the above purpose, the invention adopts the following technical scheme that the light homogenizing thick wall structure comprises a first thick wall and a second thick wall, and is characterized in that: the luminous surface of the LED particles on the PCB on the light incident side of the first thick wall faces the light incident side of the first thick wall, the first thick wall and the second thick wall are of an integrated structure, the wall surfaces of the first thick wall and the second thick wall are integrally opposite, and the light emergent side of the first thick wall and the light incident side of the second thick wall are arranged at intervals.
According to the invention, the first thick wall and the second thick wall are of an integral type conjoined structure, so that the integral injection molding single piece does not exist, the assembly of parts between the first thick wall and the second thick wall is not realized, the arrangement space on the lamp assembly is smaller, the installation and fixation are simple and convenient, especially the light homogenizing and condensing characteristics between the first thick wall and the second thick wall are definite, the discreteness of optical performance caused by the assembly process is avoided, and the brightness uniformity and stability of a bright area are ensured.
Drawings
Fig. 1 is a perspective view of the front face of the present invention as viewed facing a vehicle;
FIG. 2 is a perspective view of the back side of the present invention;
FIG. 3 is a perspective view of the present invention;
fig. 4 and 5 are cross-sectional views A-A and B-B, respectively, of fig. 1.
Detailed Description
Referring to the drawings, a light homogenizing thick wall structure comprises a first thick wall 10 and a second thick wall 20, and is characterized in that: the light emitting surface of the LED particles 40 on the PCB circuit board 30 located on the light incident side of the first thick wall 10 faces the light incident side of the first thick wall 10, the first thick wall 10 and the second thick wall 20 are of an integral type connected structure, and the light emitting side of the first thick wall 10 and the light incident side of the second thick wall 20 are arranged at intervals.
The first thick wall 10, the second thick wall 20 of above-mentioned integral connection and the wall are relative, interval formula is arranged, light source that LED granule 40 provided has realized twice light-homogenizing through first thick wall 10, second thick wall 20 in proper order, the spotlight function has still been possessed simultaneously, the light source that LED granule 40 provided is the divergent light that is the certain angle divergence, through first thick wall 10, light is gathered again and forms more even directional light and shoot second thick wall 20, after even light once more, the homogeneity effect of light is better, local special region, still can increase the light tooth of light filling effect, to special figurative light emitting surface, the lamps and lanterns inner structure of arrangement that this design scheme can be better, some special molding also can be realized.
The light-homogenizing and stabilizing effect of the invention can be used as a car position lamp, a daytime running light and the like, and is particularly suitable for lamps with special-shaped light-emitting surfaces.
Preferably, the first thick wall 10 and the second thick wall 20 have a connecting structure at both ends in the vehicle width direction.
Meanwhile, a connected structure is formed between the bottom edges of the first thick wall 10 and the second thick wall 20.
The above connection scheme can also be combined for use, and it should be noted that in the connection structure formed between the bottom edges of the first thick wall 10 and the second thick wall 20, the connection part can be considered to be spaced, and it is best to avoid that the bottom parts of the first thick wall 10 and the second thick wall 20 are connected to form a complete U-shaped groove, so that the components are favorable for cooling, and dust accumulation in the cavity is avoided.
The light-emitting surface of the first thick wall 10 and the light-entering surface of the second thick wall 20 are opposite to each other and are tooth surfaces or corrugated surfaces. The tooth surface is preferable, that is, the light emitting surface of the first thick wall 10 is the light emitting tooth surface 11, and the light entering surface of the second thick wall 20 is the light entering tooth surface 21.
The light-emitting surface of the second thick wall 20 is a pattern surface 22. The textured surface 22 is also understood to be a textured light-emitting surface, which not only provides a decorative effect, but also again improves the light-equalizing effect.
In view of the excellent light homogenizing and stabilizing effects, the invention can implement personalized design on the outline of the light emergent surface of the second thick wall 20, namely the presented light spot outline has the basis of personalized design, namely the upper side and the lower side of the second thick wall 20 are in high-low deflection forward extension. More specifically, the dimension of the upper and lower regions of the end portion of the second thick wall 20 near the side wall is greater than the dimension of the upper and lower directions of the inner region thereof, and the light supplementing light source 50 is disposed at the junction of the end portion of the first thick wall 10 and the end portion of the second thick wall 20 near the side wall, wherein the light supplementing light source 50 comprises a light supplementing PCB 51 and light supplementing LED particles 52. The light area presented by the scheme is a hammer-shaped light emitting surface shown in fig. 1, so that the problem that the light spot area is difficult to realize by the optical scheme in the prior art or the phenomenon that the brightness of the light emitting area of a part of area is uneven even if the light emitting area is realized is solved.
As shown in fig. 4, the second thick wall 20 has light supplementing teeth 23 at the outer side of the end close to the side wall, and the inner side of the transition thick wall 10a between the first thick wall 10 and the second thick wall 20 has partial light supplementing teeth 10b. The light emitted by the light-compensating LED particles 52 of the light-compensating light source 50 is uniformly transmitted through the transitional thick wall 10a, then reaches the local light-compensating teeth 10b on the light-emitting surface side of the transitional thick wall 10a, exits and then reaches the light-entering surface of the second thick wall 20, and the light-compensating teeth 23 are arranged on the second thick wall 20 of the part, so that effective light compensation is implemented after the expansion of the local irradiation light area, and the requirement of personalized light spot design is met.
Claims (7)
1. The utility model provides a light evening thick wall structure, includes first thick wall (10), second thick wall (20), its characterized in that: the luminous surface of the LED particles (40) on the PCB (30) positioned on the light incident side of the first thick wall (10) faces the light incident side of the first thick wall (10), the first thick wall (10) and the second thick wall (20) are of an integrated structure, and the light emergent side of the first thick wall (10) and the light incident side of the second thick wall (20) are arranged at intervals;
The upper edge and the lower edge of the second thick wall (20) are high-low deflection forward, the size of the upper and lower areas of the end part, close to the side wall, of the second thick wall (20) is larger than the size of the upper and lower directions of the inner side area of the second thick wall, a light supplementing light source (50) is arranged at the joint of the end part, located at the side wall, of the first thick wall (10) and the second thick wall (20), and the light supplementing light source (50) comprises a light supplementing PCB (printed circuit board) (51) and light supplementing LED particles (52).
2. The dodging thick wall structure according to claim 1, wherein: the first thick wall (10) and the second thick wall (20) have a connecting structure at both ends in the vehicle width direction.
3. The dodging thick wall structure according to claim 1, wherein: and a connecting structure is formed between the bottom edges of the first thick wall (10) and the second thick wall (20).
4. A light-homogenizing thick wall structure as claimed in claim 1 or 2 or 3, wherein: the light-emitting surface of the first thick wall (10) and the light-entering surface of the second thick wall (20) are opposite to each other and are tooth-shaped surfaces or corrugated surfaces.
5. A light-homogenizing thick wall structure as claimed in claim 1 or 2 or 3, wherein: the light emergent surface of the second thick wall (20) is a pattern facing (22).
6. The dodging thick wall structure according to claim 4, wherein: the light emergent surface of the first thick wall (10) is a light emergent tooth surface (11), and the light incident surface of the second thick wall (20) is a light incident tooth surface (21).
7. The dodging thick wall structure according to claim 1, wherein: the light supplementing teeth (23) are arranged at the outer side part of the end part, close to the side wall, of the second thick wall (20), and the local light supplementing teeth (10 b) are arranged on the inner side surface of the transition thick wall (10 a) between the first thick wall (10) and the second thick wall (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048777.1A CN113864731B (en) | 2021-09-08 | 2021-09-08 | Uniform light thick wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048777.1A CN113864731B (en) | 2021-09-08 | 2021-09-08 | Uniform light thick wall structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113864731A CN113864731A (en) | 2021-12-31 |
| CN113864731B true CN113864731B (en) | 2024-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111048777.1A Active CN113864731B (en) | 2021-09-08 | 2021-09-08 | Uniform light thick wall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113864731B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07288003A (en) * | 1994-04-20 | 1995-10-31 | Koito Mfg Co Ltd | Headlight for automobile |
| JP2012155913A (en) * | 2011-01-25 | 2012-08-16 | Stanley Electric Co Ltd | Vehicular headlight |
| WO2018069792A1 (en) * | 2016-10-14 | 2018-04-19 | Hella Saturnus Slovenija Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O. | Additional brake light for rear vehicle window having light guides |
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| CN110242932A (en) * | 2019-06-24 | 2019-09-17 | 奇瑞汽车股份有限公司 | A kind of fit structure of integrated position lamp, daytime running lights, turn signal one |
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-
2021
- 2021-09-08 CN CN202111048777.1A patent/CN113864731B/en active Active
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| JP2012155913A (en) * | 2011-01-25 | 2012-08-16 | Stanley Electric Co Ltd | Vehicular headlight |
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| CN113864731A (en) | 2021-12-31 |
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