CN107289391B - Light guide strip and vehicle lamp - Google Patents
Light guide strip and vehicle lamp Download PDFInfo
- Publication number
- CN107289391B CN107289391B CN201610188835.3A CN201610188835A CN107289391B CN 107289391 B CN107289391 B CN 107289391B CN 201610188835 A CN201610188835 A CN 201610188835A CN 107289391 B CN107289391 B CN 107289391B
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- China
- Prior art keywords
- light
- core
- emitted light
- light guide
- emitted
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- 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.)
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Classifications
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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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
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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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
Abstract
The invention provides a light guide strip, which comprises a strip-shaped core body for transmitting light emitted by a light source, and further comprises: a first reflection part formed on the core along a length direction of the core to reflect the emitted light transmitted by the core to form main emitted light; a second reflective portion, the second reflective portion being at least one formed on the outer surface of the core; the second reflecting part reflects the emitted light transmitted by the core body to form secondary emitted light, and the secondary emitted light and the main emitted light are arranged at an included angle. The light guide strip can improve the transmission effect of the light guide strip on the emitted light.
Description
Technical Field
The invention relates to the technical field of vehicle daytime running lights, in particular to a light guide strip.
Background
The light guide strip is a transparent light guide material which is made by filling nano materials in the fluororesin tube, can form a uniform light band under the condition of using a small amount of light sources, has obvious characteristics and high identifiability, and is widely applied to automobile lamps.
Among the prior art, the leaded light strip transmits the leaded light through the transmission to the light source to make the leaded light strip form and light the effect, nevertheless the leaded light strip is comparatively single to the transmission form of transmission light, can only light leaded light strip self, when needs are lighted the position except that the leaded light strip in the car lamps and lanterns, then need change the structure of leaded light strip and realize, will certainly lead to the fact the increase of cost.
Disclosure of Invention
In view of this, the present invention is directed to a light guide strip, which can improve the transmission effect of the light guide strip to the emitted light.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a light guide strip comprising a strip-shaped core for transmitting light emitted by a light source, further comprising:
a first reflection part formed on the core along a length direction of the core to reflect the emitted light transmitted by the core to form a main emitted light;
a second reflective portion, the second reflective portion being at least one formed on the outer surface of the core; the second reflecting part reflects the emitted light transmitted by the core body to form secondary emitted light, and the secondary emitted light and the main emitted light are arranged at an included angle.
Further, an included angle between the secondary emission light and the primary emission light is greater than 90 degrees and less than 180 degrees.
Further, an included angle between the secondary emission light and the primary emission light is 120 degrees.
Further, the core body is linear or curved.
Further, the first reflecting portion and the second reflecting portion are toothed stripes formed on the core body.
Compared with the prior art, the invention has the following advantages:
(1) according to the light guide strip, the first reflection part and the second reflection part are arranged, so that the transmission effect of the light guide strip on emitted light can be improved.
Another objective of the present invention is to provide a vehicle lamp, so as to change the width of the light band without changing the structure of the light guide strip.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle lamp is provided with a decorative frame, a light source fixedly connected on the decorative frame, and the light guide strip is connected on the decorative frame; and a third reflection part which reflects the auxiliary emission light to form reflection light is arranged on the decoration frame, and the reflection light is positioned on one side of the main emission light.
Furthermore, an accommodating part is formed on the decoration frame, and the light guide strip is positioned and installed in the accommodating part.
Further, the light guide strip is fixedly connected with the decoration frame through an inserting mechanism.
Furthermore, an outward protruding cavity is formed on the decoration frame, and the third reflection part is arranged in the cavity.
Further, the third reflecting portion is a reflector having a light distribution pattern formed on a surface thereof.
Compared with the prior art, the invention has the following advantages:
(1) the vehicle lamp realizes that the width of the light band can be changed under the condition of not changing the structure of the light guide strip.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a light guide strip according to an embodiment of the present invention;
FIG. 2 is a partially enlarged view of a second reflective portion according to an embodiment of the present invention;
FIG. 3 is a schematic view of an assembly of a light guide strip and a decoration frame according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a decoration frame according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of reflected light beams after reflection of the emitted light according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of an LED module according to an embodiment of the invention;
description of reference numerals:
1-light guide strip, 11-core body, 12-first reflection part, 121-main emission light, 13-second reflection part, 131-auxiliary emission light, 141-first insertion part, 1411-insertion hole, 142-second insertion part, 2-decorative frame, 21-third reflection part, 22-accommodation part, 23-cavity, 24-first positioning part, 25-second positioning part, 3-LED module and 31-LED particle.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
The embodiment relates to a light guide strip, which comprises a strip-shaped core body for transmitting light emitted by a light source, a first reflecting part and a second reflecting part in the whole structure.
The first reflecting part is formed on the core body along the length direction of the core body so as to reflect the emitted light transmitted by the core body to form main emitted light; the second reflecting part is at least one formed on the outer surface of the core body, and reflects the emitted light transmitted by the core body to form secondary emitted light, so that the secondary emitted light and the main emitted light form an included angle, namely the secondary emitted light and the main emitted light form a non-parallel arrangement. The light guide strip of this embodiment can improve the transmission effect of light guide strip to the emitted light through the setting of first reflection part and second reflection part.
Based on the above design concept, an exemplary structure of the light guide strip 1 of the present embodiment is shown in fig. 1, an overall structure of the core 11 is a strip, which may be a curved shape shown in fig. 1 or a straight shape, wherein the core 11 is made of PC, PMMA or other colorless and colored transparent materials. The first reflection portion 12 is a toothed stripe formed on the core 11, and the length thereof is slightly smaller than the length of the core 11, and after the first reflection portion 12 reflects the emitted light transmitted by the core 11 to form main emitted light 121 as described below, the light guide bar 1 can be lit, as shown in fig. 5, the first reflection portion 12 is located on the back surface of the core 11, that is, the surface opposite to the lit surface of the light guide bar 1, and is disposed to be recessed in the outer surface of the light guide bar 1. As shown in fig. 1 and fig. 2, the second reflection portion 13 is also a tooth-shaped stripe formed on the core 11, which may be one or a plurality of tooth-shaped stripes formed on the core 11, as shown in fig. 5, the second reflection portion 13 is disposed on the upper surface of the core 11, that is, the surface adjacent to the illuminated surface of the light guide bar 1, and the second reflection portion 13 is also disposed recessed in the outer surface of the light guide bar 1.
As shown in fig. 1 and fig. 3, the light guide bar 1 related to this embodiment can be fixedly connected to the decoration frame 2 described below, wherein the light guide bar 1 is provided with a plug-in structure, the plug-in structure includes a first plug-in portion 141 disposed at one end of the light guide bar 1 and a second plug-in portion 142 spaced from the first plug-in portion 141, the first plug-in portion 141 is an L-shaped plug-in plate, a plug-in hole 1411 is disposed at the other end of the L-shaped plug-in plate away from the connection end with the light guide bar 1, the second plug-in portion 142 is a 1-shaped plug-in bar or plug-in plate, and the plug-in hole 1411 and the second plug-in portion 142 are respectively fixedly connected to corresponding positions of the decoration.
Example two
The embodiment relates to a vehicle lamp, and the vehicle lamp is provided with a light guide bar in the first embodiment.
As shown in fig. 3 and fig. 4, the vehicle lamp has a decorative frame 2 and a light source fixedly connected to the decorative frame 2, the light guide bar 1 of the first embodiment is connected to the decorative frame 2, and a third reflection portion 21 for reflecting the auxiliary emission light 131 to form a reflection light is disposed on the decorative frame 2, wherein the reflection light is disposed on one side of the main emission light 121. After the sub-reflected light 131 is reflected into reflected light by the third reflecting part 21, the main reflected light 121 on the same side reflected by the first reflecting part 12 is matched, so that the width of the light band is not limited by the shape of the light guide bar 1 but can be changed as required without changing the structure of the light guide bar 1.
In order to make the light guide bar have a good transmission effect on the emitted light, as shown in fig. 5, an included angle α between the main emitted light 121 formed by the reflected light of the emitted light transmitted by the core 11 reflected by the first reflecting portion 12 and the sub-emitted light 131 formed by the reflected light of the second reflecting portion 13 is greater than 90 degrees and less than 180 degrees, so as to make the transmission effect on the reflected light better, the main emitted light 121 and the sub-emitted light 131 can be designed to have no interference, and repeated experiments prove that the transmission effect is better when the included angle α between the sub-emitted light 131 and the main emitted light 121 is 120 degrees. To be visually integrated with the lighted light guide bar, the third reflection portion 21 emits the reflected light of the sub reflected light 131 on the same side as the main emitted light 121.
As shown in fig. 4, the decoration frame 2 is similar to a rectangular parallelepiped with a certain length, and in order to ensure the lighting effect, each surface of the decoration frame 2 may be aluminized as required, and the accommodation portion 22 recessed in the decoration frame 2 is disposed on the length of the decoration frame 2, the light guide bar 1 in embodiment 1 may be positioned and installed in the accommodation portion 22, where the accommodation portion 22 is a U-shaped installation slot shown in fig. 4, one end of the installation slot is disposed with a first positioning portion 24 (i.e., a first positioning hole shown in fig. 4) corresponding to the insertion hole 1411, and by using an external locking mechanism, the insertion hole 1411 and the first positioning portion 24 may be fixedly connected by a bolt, and a second positioning portion 25 (i.e., a second positioning hole shown in fig. 4) is disposed on the installation slot at a position spaced from the first positioning portion 24 and corresponding to the second insertion portion 142. A cavity 23 protruding outward at the bottom of the receiving portion 22 is formed in the width direction of the decorative frame 2, the cavity 23 may be a trapezoid as shown in fig. 2, a third reflection portion 21 is arranged in the cavity 23, wherein the third reflection portion 21 is a reflector with a light distribution pattern formed on the surface, and the surface of the cavity 23 is plated with aluminum to ensure the lighting effect. A fixing block fixedly connected with a light source is arranged at one end of the decoration frame 2, wherein the light source is emitted by the LED particles 31 in the LED module 3 shown in fig. 6, and the LED module 3 further comprises a PCB, a heat sink, a driving part and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A vehicle lamp having a bezel (2), a light source secured to the bezel (2), characterized in that: the vehicle lamp further has:
the light guide strip is arranged on the decoration frame (2) and comprises a strip-shaped core body (11) for transmitting light emitted by the light source;
a first reflection part (12) formed on the core (11) along the length direction of the core (11) to reflect the emitted light transmitted by the core (11) to form main emitted light (121);
a second reflecting portion (13), wherein the second reflecting portion (13) is at least one formed on the outer surface of the core (11), and is overlapped with the first reflecting portion (12) in the length direction of the core (11); the second reflection part (13) reflects the emitted light transmitted by the core body (11) to form secondary emitted light (131), and the secondary emitted light (131) and the main emitted light (121) are arranged at an included angle;
and a third reflection part (21) which is provided on the decorative frame (2) and reflects the sub-emitted light (131) to form reflected light on one side of the main emitted light (121).
2. The vehicle light of claim 1, wherein: the angle between the secondary emission (131) and the primary emission (121) is greater than 90 degrees and less than 180 degrees.
3. The vehicle light of claim 2, wherein: the angle between the secondary emission (131) and the primary emission (121) is 120 degrees.
4. The vehicle light of claim 1, wherein: the core body (11) is linear or curved.
5. The vehicle lamp according to any one of claims 1 to 4, characterized in that: the first reflecting part (12) and the second reflecting part (13) are toothed stripes formed on the core body (11).
6. The vehicle light of claim 1, wherein: an accommodating part (22) is formed on the decorative frame (2), and the light guide strip (1) is positioned and installed in the accommodating part (22).
7. The vehicle light of claim 6, wherein: the light guide strip (1) is fixedly connected with the decoration frame (2) through an inserting mechanism.
8. The vehicle light of claim 1, wherein: an outward protruding arrangement cavity (23) is formed in the decoration frame (2), and the third reflection portion (21) is arranged in the cavity (23).
9. The vehicle light of claim 1, wherein: the third reflection part (21) is a reflector with a light distribution pattern formed on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188835.3A CN107289391B (en) | 2016-03-30 | 2016-03-30 | Light guide strip and vehicle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188835.3A CN107289391B (en) | 2016-03-30 | 2016-03-30 | Light guide strip and vehicle lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107289391A CN107289391A (en) | 2017-10-24 |
| CN107289391B true CN107289391B (en) | 2020-10-23 |
Family
ID=60086555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610188835.3A Active CN107289391B (en) | 2016-03-30 | 2016-03-30 | Light guide strip and vehicle lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289391B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7056424B2 (en) * | 2018-07-13 | 2022-04-19 | 豊田合成株式会社 | Light guide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907256A (en) * | 2009-06-05 | 2010-12-08 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| WO2014199108A1 (en) * | 2013-06-14 | 2014-12-18 | Automotive Lighting Rear Lamps France | Lighting module for motor vehicles having continuously evolving light homogeneity |
| CN104315463A (en) * | 2014-09-24 | 2015-01-28 | 江苏申通汽车零部件有限公司 | Combination head lamp for automobile |
| CN204853252U (en) * | 2015-08-31 | 2015-12-09 | 长城汽车股份有限公司 | Lamps and lanterns grading structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19804440A1 (en) * | 1998-02-05 | 1999-08-12 | Hella Kg Hueck & Co | Rod-shaped light guide |
| US6601984B2 (en) * | 2001-02-14 | 2003-08-05 | Estec Co., Ltd. | LED illuminating device and lighting apparatus employing the same |
| JP4798563B2 (en) * | 2006-12-05 | 2011-10-19 | コルコート株式会社 | Line lighting device |
| US8870423B2 (en) * | 2011-05-19 | 2014-10-28 | Stanley Electric Co., Ltd. | Vehicle decorative lighting device and vehicle lamp |
| CN202182417U (en) * | 2011-07-08 | 2012-04-04 | 延锋伟世通汽车电子有限公司 | Light guide structure for electronic product of automobile |
| JP2013056603A (en) * | 2011-09-08 | 2013-03-28 | Yamaha Motor Co Ltd | Saddle-riding type vehicle and light guide used in the same |
| JP5977061B2 (en) * | 2012-03-29 | 2016-08-24 | 株式会社小糸製作所 | Vehicle lighting |
| CN103234167A (en) * | 2013-04-18 | 2013-08-07 | 常州中隆车辆配件有限公司 | Car light with novel light guide structure |
| JP6082992B2 (en) * | 2013-07-03 | 2017-02-22 | パナソニックＩｐマネジメント株式会社 | Lighting device, lamp and vehicle |
-
2016
- 2016-03-30 CN CN201610188835.3A patent/CN107289391B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907256A (en) * | 2009-06-05 | 2010-12-08 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| WO2014199108A1 (en) * | 2013-06-14 | 2014-12-18 | Automotive Lighting Rear Lamps France | Lighting module for motor vehicles having continuously evolving light homogeneity |
| CN104315463A (en) * | 2014-09-24 | 2015-01-28 | 江苏申通汽车零部件有限公司 | Combination head lamp for automobile |
| CN204853252U (en) * | 2015-08-31 | 2015-12-09 | 长城汽车股份有限公司 | Lamps and lanterns grading structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107289391A (en) | 2017-10-24 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220819 Address after: No. 2-1888, Auto Parts Industrial Park, Zhixin Avenue, Dadao District, Jingmen City, Hubei Province, 448000 Patentee after: Mind Auto Parts (Jingmen) Co.,Ltd. Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: GREAT WALL MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right |