CN110469815A - Light guide - Google Patents
Light guide Download PDFInfo
- Publication number
- CN110469815A CN110469815A CN201910375556.1A CN201910375556A CN110469815A CN 110469815 A CN110469815 A CN 110469815A CN 201910375556 A CN201910375556 A CN 201910375556A CN 110469815 A CN110469815 A CN 110469815A
- Authority
- CN
- China
- Prior art keywords
- light guide
- rib
- light
- guide
- installation
- 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
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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
- F21S41/24—Light guides
-
- 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
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
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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
-
- 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)
- Planar Illumination Modules (AREA)
Abstract
There is provided it is a kind of inhibition from rib light leakage, thus inhibit optical property decline bar-shaped light guide.There is provided one kind has installation rib, and prevents from the rib light leakage, thus the bar-shaped light guide for inhibiting optical property to decline.Light guide (20) have rodlike guide-lighting phosphor bodies (21) and along the guide-lighting phosphor bodies (21) the installation of plate that is formed of whole length with rib (22), light guide (20) is characterized in that the installation is configured to have the convex surface that will conduct the inside lateral reflection of light at least part of shape with rib (22).Convex surface is set as and being provided in round the corner of extending end portion (25), end, to make to be incident on rib (22,23) light reflects and returns to guide-lighting phosphor bodies (21), reduce from rib (22,23) light leakage, it is suppressed that optical property reduces.
Description
Technical field
The present invention relates to a kind of light guides, more particularly to a kind of rodlike light guide for lamps apparatus for vehicle.
Background technique
All the time, in the lamps apparatus for vehicle such as taillight, side-marker lamp, the composition for having light guide is mostly used.It is led rodlike
In the case that body of light is configured in lamp inside, in order to be fixed on the scheduled position of lamp body, installation rib is formed in light guide
(such as patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2016-119273 report
Summary of the invention
The technical problem to be solved by the invention
However, being easy to send out in the part of rib when the rib of the plate of installation is formed on a part of bar-shaped light guide
Raw light leakage, thus optical property can reduce.
The present invention is in light of this situation, it is therefore an objective to provide it is a kind of inhibition from rib light leakage, thus inhibit optical property reduce
Bar-shaped light guide.
For technical means to solve problem
To achieve the goals above, in a scheme of the invention, a kind of light guide is provided, the light guide has stick
The guide-lighting phosphor bodies of shape and the installation rib of plate that is formed of longitudinal direction along the guide-lighting phosphor bodies, the light guide
It is characterized in that, the installation rib has the convex surface that will conduct the inside lateral reflection of light at least part of shape.
According to the embodiment, in the rib of plate, conduction light is easy at planar section light leakage to which optical property reduces,
By forming the convex surface for making to conduct the inside lateral reflection of light in rib, so as to reduce the light leakage at rib.Thus, it is possible to inhibit
Optical property reduces.
Preferably, being formed with deformation in the opposite side of the installation rib of the guide-lighting phosphor bodies prevents from using rib.
When forming rib, heat release is uneven when cooling when due to injection molded, so being easily deformed.
It can prevent from being not desired to so that exothermic equilibrium improves by forming the rib for deforming and preventing in circumferential opposite side
The deformation wanted.
Preferably, the deformation prevents having the evagination that will conduct the inside lateral reflection of light at least part of shape with rib
Face.By preventing that also there is convex surface with rib in deformation, so as to inhibit light leakage.
Preferably, the installation rib and the deformation prevent at least part at least one of rib in cross section
With the arc sections that will conduct the inside lateral reflection of light.
Preferably, installation rib and the deformation prevent from being formed to justify with the angle of the end of at least one of rib
Shape will be will conduct the inside lateral reflection of light.
According to above scheme, the light leakage at flank can be reduced, so as to inhibit optical property to reduce.
Preferably, installation rib and the deformation prevent the longitudinal direction that the light guide is formed on rib
Substantially whole length.
According to the program, since the substantially whole length of rib span length's edge direction is formed, so can prevent in longitudinal direction
Brightness irregularities, prevent additionally by deformation is formed with rib, thus deformation when can also prevent injection moulding.
Invention effect
By described above it is found that in accordance with the invention it is possible to providing a kind of inhibit from rib light leakage, so that optical property be inhibited to drop
Low bar-shaped light guide.
Detailed description of the invention
Fig. 1 is the summary front view for having the lamps apparatus for vehicle of light guide involved in the 1st embodiment.
Fig. 2 is the cross-sectional view along the II-II line of Fig. 1.
Fig. 3 is the cross-sectional view along the III-III line of Fig. 1.
Fig. 4 is the perspective view of light guide involved in the 1st embodiment.
Fig. 5 is the explanatory diagram for illustrating the effect of light guide involved in the 1st embodiment.
Fig. 6 is the variation of light guide involved in the 1st embodiment.
Fig. 7 is the variation of light guide involved in the 1st embodiment.
Fig. 8 is the variation of light guide involved in the 1st embodiment.
Fig. 9 is the variation of light guide involved in the 1st embodiment.
Figure 10 is the summary front view for having the lamps apparatus for vehicle of light guide involved in the 2nd embodiment.
Figure 11 is the cross-sectional view along the XI-XI line of Figure 10.
Figure 12 is the perspective view of light guide involved in the 2nd embodiment.
Figure 13 is the cross-sectional view along the XIII-XIII line of Figure 10.
Symbol description
1,101 lamps apparatus for vehicle
10 LED light sources
20,120,120A~120D light guide
21,121 guide-lighting phosphor bodies
22, rib is used in 122 installations
23,123 deformations prevent from using rib
25,125 extending end portion
26,126 extending end portion
27,127 (light guide 20) exit facet
28,128 (light guide 20) reflecting surface
29,129 (light guide 20) ladder
30 metal deposition films
H22, H23, H122, H123 width
W22, W23, W122, W123 thickness
R22, R23, R122, R123 radius of curvature
Z central axis
Specific embodiment
Illustrate specific embodiment of the invention referring to the drawings.Embodiment is intended only as example and sends out without limiting
It is bright, and the essential feature that feature or combinations thereof whole documented by embodiment is not necessarily invented.
(the 1st embodiment)
Fig. 1 is the main view for having the lamps apparatus for vehicle 1 of light guide involved in the 1st embodiment, and Fig. 2 is vehicle lamp
Tool 1 transverse sectional view (along the cross-sectional view of the II-II line of Fig. 1), Fig. 3 be lamps apparatus for vehicle 1 longitudinal sectional view (along
The cross-sectional view of the III-III line of Fig. 1).In the present specification, the directions such as up and down direction/left and right directions/front-rear direction mean
The direction under posture when lamps apparatus for vehicle is mounted on vehicle, and illustrated on the basis of the state of front observation vehicle.In addition
In the various figures, for using all directions as (top: lower section: left: right: front: rear=Up:Lo:Le:Ri:Fr:Re)
It is bright.
Lamps apparatus for vehicle 1 is headlight for automobile, is mounted in the device on the right side of front part of vehicle.
As shown in Figure 1, lamps apparatus for vehicle 1 has the radiator grille 4 of lamp body 2 and the transparency installed in the opening portion of lamp body 2.
Lamp body 2 and radiator grille 4 are divided into lamp house S.
Lamps apparatus for vehicle 1 is that high beam A, dipped headlight B, turn signal lamp C and daytime running lamps D are contained in lamp house S
Interior Assembled lamp.
High beam A, dipped headlight B and turn signal lamp C are arranged side-by-side in lamp house S along vehicle width direction.These lamps A,
B, conventionally known composition lamp unit such as reflection-type, projection type can be used in C, and type is not restricted by.
Upper area of the daytime running lamps D in lamp house S is configured along the top of lamps apparatus for vehicle 1.
As shown in Fig. 2, daytime running lamps D has LED light source 10 and light guide 20.
LED light source 10 is to be powered and luminous LED (Light EmittingDiode, light emitting diode).LED light source
10 be diffusivity be emitted white light and provide the light source of light to light guide 20, and the LED light source with its light-emitting surface towards guide-lighting
Light incident surface, that is, left end face state of body 20 configures.
LED light source 10 is fixed on pedestal 14.Pedestal 14 is configured to configure the shape of the required position in lamp house S
Shape, and it is fixed in lamp body 2.
In lamp house S, widening parts 16 are configured between LED light source 10 and radiator grille 4.The construction quilt of LED light source 10
Widening parts 16 cover, thus by blocking from outside.
The optical component that light guide 20 is bar-like, by by the transparent resins such as acrylic and polycarbonate injection molded to
It is formed.The front-surface side along longitudinal direction of light guide 20 is configured to the exit facet 27 of light to escape.After light guide 20
Surface side is formed with reflecting surface 28, and the reflecting surface 28 is multiple with that will reflect into the light in light guide 20 towards exit facet 27
Ladder 29.Ladder 29 is triangle column, and the section along longitudinal direction is right angled triangle.
It's not limited to that for the shape of ladder, such as is also possible to slot, stippled.The shape of ladder 29, size, arrangement,
Away from etc. be designed to the light of intensity required by making daytime running lamps and irradiate forwards.
The light incident from LED light source 10 advances while continuous total reflection in light guide 20.It is incident on reflecting surface 28
Light reflected at ladder 29 towards exit facet 27, and from exit facet 27 to vehicle front be emitted.
As shown in figure 3, being configured with light guide fixator 18 in lamp house S, light guide 20 is via the light guide fixator 18
It is supported by lamp body 2.
The peace that the composition of light guide 20 includes the guide-lighting phosphor bodies 21 of cylindrical shape, extends upwards from guide-lighting phosphor bodies 21
It dress rib 22 and prevents from the deformation that guide-lighting phosphor bodies 21 extend downward with rib 23.Each rib 22,23 and exit facet 27, reflecting surface
28 form at circumferential different position.In the present embodiment, guide-lighting phosphor bodies 21 are cylinder directions, but are not limited to
This, can also be formed as the various shapes such as rectangular shape.
Light guide fixator 18 has in the clamping part 18a of the incision-like of the wall surface formation on top and in the stepped part of lower part
18b, and the light guide fixator is configured in a manner of covering light guide 20 from back side.Installation rib 22 is clamped portion 18a
Clamping, deformation prevent from being supported with the lower part of rib 23 by stepped part 18, so that light guide 20 is fixed by light guide fixator 18.
Widening parts 16 are configured between light guide fixator 18 and radiator grille 4, the fixture construction of light guide 20 is expanded
Exhibition component 16 blocks.
Fig. 4 is the perspective view of light guide 20.The ladder 29 of reflecting surface 28 omits.In the upper of columned guide-lighting phosphor bodies 21
Portion is formed with installation rib 22 along the whole length of the longitudinal direction of guide-lighting phosphor bodies 21, is in the lower part of guide-lighting phosphor bodies 21
The circumferential opposite side of installation rib 22, being formed with deformation along the whole length of the longitudinal direction of guide-lighting phosphor bodies 21 prevents from using
Rib 23.Both sides of the chest 22,23 and light guide 21 are integrally formed.The cross-sectional shape of the light guide 20 orthogonal with longitudinal direction is in long side side
To any position it is all equal.
In order to configure rodlike light guide in lamp house S, the installation rib of plate is formed in guide-lighting phosphor bodies.
Although this is necessary, when a part of longitudinal direction forms installation rib, exists and be easy in rib
The problem of brightness irregularities on part light leakage and longitudinal direction.When in order to avoid this problem, in the entire length of longitudinal direction
When degree forms rib, this is in the cooling of injection molded, since heat remains in the rib only formed in a circumferential direction, institute
It is uneven with whole heat release, it can unevenly shrink to the direction of rib and be generated in longitudinal direction warpage, therefore sometimes
More than permissible range deformation and lamp body cannot be mounted on.
In the present embodiment, installation rib 22 is formed in the substantially whole length of longitudinal direction, while in installation rib
The substantially whole length of 22 circumferential opposite side span length's edge direction is formed with deformation and prevents with rib 23.Since rib is formed in long side
The whole length in direction, so the brightness irregularities of the light in longitudinal direction can be prevented.
The extending end portion 25 of installation rib 22 and deformation prevent be with the extending end portion 26 of rib 23 will conduct light to
The convex surface of inner reflection.
The thickness W22 and width H22 of installation rib 22, deformation prevent equal with thickness W23 and width the H23 difference of rib 23
(W22=W23, H22=H23).Further, the extending end portion 25 of installation rib 22 and deformation prevent the extending end with rib 23
The cross section in portion 26 is circular shape, subsequent corrosion R22, R23 also equal (R22=R23), the cross-sectional shape of light guide 20
For symmetric shape.
Installation is prevented from being constituted in this way with rib 23 with rib 22 and deformation, two ribs 22,23 are balancedly configured in leaded light
Phosphor bodies 21 to realize exothermic balance in the cooling of injection molded become that undesired deformation is less likely to occur.
Fig. 5 is the explanatory diagram for illustrating the function and effect of light guide 20.Fig. 5 is the cross-sectional view of light guide, and (A) is pair
The case where ratio, the extending end portion 25 for indicating installation rib 22 is plane, (B) is present embodiment, indicates that installation is used
The case where extending end portion 25 of rib 22 is convex surface.Arrow shows the path of light.
The light for being incident on light guide 20 from LED light source 10 constantly advances reflectingly in guide-lighting phosphor bodies 21.It is last when extending
When end 25' is plane, be incident on the light of the extending end portion 25' of installation rib 22 with original state from extending end portion 25' to
External exit.When extending end portion 25 is convex surface, conducts light and internally reflected to return at extending end portion 25
Guide-lighting phosphor bodies 21.
By the way that extending end portion 25 is shaped to convex surface, thus make the inside lateral reflection of light for being incident on each rib,
It can reduce from rib light leakage.Thus, it is possible to inhibit the reduction of optical property.
In present embodiment, both sides of the chest 22,23 all have convex surface in end section, but even if only in any one rib
Portion can also be reduced from rib light leakage in the case where a part of its shape forms convex surface, to play light guide 20
The effect that optical property maintains higher.
(variation)
The shape of light guide 20 involved in 1st embodiment is an example, by two ribs 22,23 extremely
A part of a few rib has convex surface, to inhibit to generate the effect for inhibiting optical property to reduce from rib light leakage.
Fig. 6~9 are the variations of light guide 20.In light guide 20A shown in fig. 6, installation rib 22A and deformation are prevented
It is arranged to circle with the angle of the end of rib 23A the inside lateral reflection of light will be conducted.
In light guide 20B shown in Fig. 7, installation rib 22B and deformation prevent the end face of the left and right with rib 23A from becoming
The convex surface of the inside lateral reflection of light will be conducted.
In light guide 20C shown in Fig. 8, installation rib 22C and deformation prevent the end face of the left and right with rib 23C, end
Angle, the extending end portion in portion all become convex surface.
In light guide 20D shown in Fig. 9, installation rib 22D and deformation prevent from becoming semi-cylindrical form with rib 23D.Two
Part other than the left and right end portions of rib 22D, 23D does not have planar section, complete along the surface that the longitudinal direction of light guide 20D extends
Portion is the convex surface that will conduct the inside lateral reflection of light, is accordingly changed into the shape for being more able to suppress light leakage.
Light guide 20A~light guide 20D has the convex surface of the inside lateral reflection of light of a part for making to have entered each rib,
So as to reduce the structure for becoming to inhibit optical property caused by forming rib to reduce from rib light leakage.
(the 2nd embodiment)
Figure 10 is the summary front view for having the lamps apparatus for vehicle 101 of light guide involved in the 2nd embodiment, Tu11Shi
The transverse sectional view of lamps apparatus for vehicle 101 (along the cross-sectional view of the XI-XI line of Figure 10).
1st embodiment marks identical symbol to identical or equivalent constituent element, and the repetitive description thereof will be omitted.
Lamps apparatus for vehicle 101 is side-marker lamp, and is mounted in the device on the right side of front part of vehicle.
Lamps apparatus for vehicle 101 has light guide 120 and LED light source in the lamp house S being divided by lamp body 2 and radiator grille 4
10.Lamp body 2 and radiator grille 4 become right side curved shape towards the rear.
The shape of rodlike light guide 120 and lamp body 2 is matchingly bent, and is straight near the plane of incidence, that is, left side to centre
Wire shaped, near centre to right part more towards rear be in mitigation arcuation.In this way, light guide is not limited to the shape of straight line
Shape is also possible to the curved curve shape of shape along lamp body 2 and radiator grille 4.
The front-surface side along central axis Z of light guide 120 is the exit facet 127 of light to escape.In the week of exit facet 127
It is formed with the reflecting surface 128 with ladder 129 to the back-surface side of opposite side, which will enter the light in light guide 120
It is reflected towards exit facet 127.
LED light source 10 by by its optical axis towards light guide 120 in a manner of be configured in beside the left side of light guide 120.
The light incident from LED light source 10 conducts in light guide 120, and the light for being incident on reflecting surface 128 is emitted from exit facet 127.
Figure 12 is the perspective view of light guide 120, and Figure 13 is the cross section of light guide 120 (along the XIII-XIII line of Figure 10
Cross-sectional view).It should be noted that the ratio of each thickness in Figure 13 does not react actual ratio, and only schematic earth's surface
Show structure.
In a same manner as in the first embodiment, along the central axis Z of curved guide-lighting phosphor bodies 121, on top across whole length
It is formed with installation rib 122, being formed with deformation across whole length in lower part prevents with rib 123.The installation extending end of rib 122
Portion 125 and deformation prevent from the extending end portion 126 of rib 123 being the convex surface that will conduct the inside lateral reflection of light.
The thickness W122 and width H122 of installation rib 122, deformation prevent thickness W123 and width H123 points with rib 123
Inequal (W122=W123, H122=H123).Further, installation prevents from using rib with the extending end portion 125 of rib 122 and deformation
The cross section in 123 extending end portion is circular shape, radius of curvature R 122, R123 also equal (R122=R123), in
The cross-sectional shape of mandrel Z orthogonal light guide 120 is all equal in any position, and cross sectional shape is symmetric shape.
As shown in figure 13, installation rib 122 and deformation prevent from carrying out metal evaporation on its surface with rib 123, by surface
It is whole to be covered with metal deposition film 30.
Metal deposition film 30 is for example selected from aluminium, SUS, chromium, film thickness 100nm or so.Metal deposition film 30 is for example sharp
It is formed with the methods of vacuum evaporation, and is formed on the surface of each rib 122,123 with substantially uniform thickness.Metal deposition film 30
With the characteristic for reflecting light.Light due to being incident on each rib 122,123 is reflected in metal deposition film 30, and returns to light guide master
Body 121, so can prevent from each 122,123 light leakage of rib.
Due to implementing metal deposition film in both sides of the chest 122,123 on the basis of each extending end portion 125,126 is convex surface
30, so can more securely prevent from further suppressing optical property decline, light guide 120 can from 122,123 light leakage of both sides of the chest
Maintain higher optical property.
In the above-described embodiment, daytime running lamps, side-marker lamp are illustrated, but the present invention is not limited to this,
It can also be widely applicable for the various lamps apparatus for vehicle such as turn signal lamp, brake lamp, shaft lamp, cornering lamp, fog lamp.Light source is not
It is limited to LED, is also possible to other semiconductors such as laser diode, organic EL (Electroluminescence, electroluminescent)
Element or incandescent lamp, halogen lamp etc..
More than, the preferred embodiment of the present invention is illustrated, but above embodiment is of the invention one
These embodiments can be combined by a example based on the knowledge of those skilled in the art, and this scheme is also contained in this
In the range of invention.
Claims (10)
1. a kind of light guide, the plate with rodlike guide-lighting phosphor bodies and the longitudinal direction formation along the guide-lighting phosphor bodies
Installation rib, the light guide is characterized in that,
The installation rib has the convex surface that will conduct the inside lateral reflection of light at least part of shape.
2. light guide as described in claim 1, which is characterized in that
Being formed with deformation in the opposite side of the installation rib of the guide-lighting phosphor bodies prevents from using rib.
3. light guide as claimed in claim 2, which is characterized in that
The deformation prevents having the convex surface that will conduct the inside lateral reflection of light at least part of shape with rib.
4. light guide according to any one of claims 1 to 3, which is characterized in that
The installation rib and the deformation prevent from having and conducting at least part of cross section at least one of rib
The arc sections of the inside lateral reflection of light.
5. light guide as described in any one of claims 1 to 4, which is characterized in that
Installation rib and the deformation prevent from being formed circle with the angle of the end of at least one of rib will conduct
The inside lateral reflection of light.
6. the light guide as described in any one of claim 2~5, which is characterized in that
Installation rib and the deformation prevent the substantially entire length that the longitudinal direction of the light guide is formed on rib
Degree.
7. light guide as described in claim 1, which is characterized in that
Be formed with reflecting surface in the back-surface side of the light guide, the reflecting surface have will enter the intracorporal light of leaded light to
Multiple ladders of the exit facet reflection of the light guide.
8. light guide as claimed in claim 2, which is characterized in that
It is clamped by the installation rib of the light guide by the clamping part of light guide fixator, the change of the light guide
Shape prevents from being supported with the lower part of rib by the stage portion of the light guide fixator, so that the light guide is fixed on the leaded light
Body fixator.
9. light guide as described in claim 1, which is characterized in that
The part near from left part to centre of the light guide be rectilinear form, the light guide from centre to right part
Part more towards rear be in mitigation arcuation.
10. light guide as claimed in claim 2, which is characterized in that
The deformation prevents equal with the thickness and width of installation rib difference with the thickness and width of rib.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018090549A JP2019197643A (en) | 2018-05-09 | 2018-05-09 | Light guide body |
| JP2018-090549 | 2018-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469815A true CN110469815A (en) | 2019-11-19 |
Family
ID=68507414
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920648954.1U Active CN210624414U (en) | 2018-05-09 | 2019-05-07 | Light guide body |
| CN201910375556.1A Pending CN110469815A (en) | 2018-05-09 | 2019-05-07 | Light guide |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920648954.1U Active CN210624414U (en) | 2018-05-09 | 2019-05-07 | Light guide body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019197643A (en) |
| CN (2) | CN210624414U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019197643A (en) * | 2018-05-09 | 2019-11-14 | 株式会社小糸製作所 | Light guide body |
| JP2023159777A (en) * | 2022-04-20 | 2023-11-01 | 株式会社東海理化電機製作所 | turn lamp |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW420306U (en) * | 1999-03-23 | 2001-01-21 | Pixon Technologies Corp | Liner light source for image capture device and liquid crystal module |
| US20030169997A1 (en) * | 2002-03-06 | 2003-09-11 | Federal-Mogul World Wide, Inc. | Illuminating waveguide |
| CN101634428A (en) * | 2008-07-25 | 2010-01-27 | 优志旺电机株式会社 | Light guide body and bicomponent linear light source device |
| CN101907256A (en) * | 2009-06-05 | 2010-12-08 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| CN102588855A (en) * | 2011-01-14 | 2012-07-18 | 株式会社小糸制作所 | Vehicle light |
| DE102011050423A1 (en) * | 2011-05-17 | 2012-11-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Optical disk for e.g. brake lamp of motor car, has optical units provided on front side and rear side of disk, respectively for scattering light and comprising light passage region for scattering light on front side of disk |
| CN103227883A (en) * | 2012-01-26 | 2013-07-31 | 京瓷办公信息***株式会社 | Light guide, image reading apparatus and image forming apparatus provided with this light guide |
| CN103307528A (en) * | 2012-03-12 | 2013-09-18 | 株式会社小糸制作所 | Lamp used for vehicle |
| CN103528022A (en) * | 2012-07-03 | 2014-01-22 | 柯尼卡美能达株式会社 | Light guide |
| US20140160778A1 (en) * | 2012-12-07 | 2014-06-12 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| CN103885115A (en) * | 2012-12-19 | 2014-06-25 | 株式会社小糸制作所 | Light guide body and lighting device |
| US20140218951A1 (en) * | 2013-02-07 | 2014-08-07 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| DE102013003419A1 (en) * | 2013-02-28 | 2014-08-28 | Volkswagen Aktiengesellschaft | Light emitting device for use as vehicle headlight for i.e. motor vehicle, has light color material partly enclosing coupling region and partially reflecting light coupled into coupling region to side facing light guide element |
| CN104295943A (en) * | 2013-07-16 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Light-emitting diode lamp |
| CN104949068A (en) * | 2014-03-31 | 2015-09-30 | 株式会社小糸制作所 | Light guide device with light guide body |
| CN105204229A (en) * | 2015-10-20 | 2015-12-30 | 武汉华星光电技术有限公司 | Backlight module with non-planar lateral structure and liquid crystal display device |
| CN105511007A (en) * | 2014-10-10 | 2016-04-20 | 株式会社小糸制作所 | Illumination light guide |
| EP3081854A1 (en) * | 2015-04-13 | 2016-10-19 | SMR Patents S.à.r.l. | Light guide with reduced light attenuation |
| US20170023723A1 (en) * | 2015-07-23 | 2017-01-26 | Toyota Gosei Co., Ltd. | Decorative lighting apparatus |
| US20180086252A1 (en) * | 2016-09-23 | 2018-03-29 | Koito Manufacturing Co., Ltd. | Vehicular lamp and vehicular exterior rear view device |
| CN210624414U (en) * | 2018-05-09 | 2020-05-26 | 株式会社小糸制作所 | Light guide body |
-
2018
- 2018-05-09 JP JP2018090549A patent/JP2019197643A/en active Pending
-
2019
- 2019-05-07 CN CN201920648954.1U patent/CN210624414U/en active Active
- 2019-05-07 CN CN201910375556.1A patent/CN110469815A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW420306U (en) * | 1999-03-23 | 2001-01-21 | Pixon Technologies Corp | Liner light source for image capture device and liquid crystal module |
| US20030169997A1 (en) * | 2002-03-06 | 2003-09-11 | Federal-Mogul World Wide, Inc. | Illuminating waveguide |
| CN101634428A (en) * | 2008-07-25 | 2010-01-27 | 优志旺电机株式会社 | Light guide body and bicomponent linear light source device |
| CN101907256A (en) * | 2009-06-05 | 2010-12-08 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| US20100309677A1 (en) * | 2009-06-05 | 2010-12-09 | Koito Manufacturing Co., Ltd. | Vehicular Lamp |
| CN102588855A (en) * | 2011-01-14 | 2012-07-18 | 株式会社小糸制作所 | Vehicle light |
| DE102011050423A1 (en) * | 2011-05-17 | 2012-11-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Optical disk for e.g. brake lamp of motor car, has optical units provided on front side and rear side of disk, respectively for scattering light and comprising light passage region for scattering light on front side of disk |
| CN103227883A (en) * | 2012-01-26 | 2013-07-31 | 京瓷办公信息***株式会社 | Light guide, image reading apparatus and image forming apparatus provided with this light guide |
| CN103307528A (en) * | 2012-03-12 | 2013-09-18 | 株式会社小糸制作所 | Lamp used for vehicle |
| CN103528022A (en) * | 2012-07-03 | 2014-01-22 | 柯尼卡美能达株式会社 | Light guide |
| US20140160778A1 (en) * | 2012-12-07 | 2014-06-12 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| CN103885115A (en) * | 2012-12-19 | 2014-06-25 | 株式会社小糸制作所 | Light guide body and lighting device |
| US20140218951A1 (en) * | 2013-02-07 | 2014-08-07 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| DE102013003419A1 (en) * | 2013-02-28 | 2014-08-28 | Volkswagen Aktiengesellschaft | Light emitting device for use as vehicle headlight for i.e. motor vehicle, has light color material partly enclosing coupling region and partially reflecting light coupled into coupling region to side facing light guide element |
| CN104295943A (en) * | 2013-07-16 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Light-emitting diode lamp |
| CN104949068A (en) * | 2014-03-31 | 2015-09-30 | 株式会社小糸制作所 | Light guide device with light guide body |
| CN105511007A (en) * | 2014-10-10 | 2016-04-20 | 株式会社小糸制作所 | Illumination light guide |
| EP3081854A1 (en) * | 2015-04-13 | 2016-10-19 | SMR Patents S.à.r.l. | Light guide with reduced light attenuation |
| US20170023723A1 (en) * | 2015-07-23 | 2017-01-26 | Toyota Gosei Co., Ltd. | Decorative lighting apparatus |
| CN105204229A (en) * | 2015-10-20 | 2015-12-30 | 武汉华星光电技术有限公司 | Backlight module with non-planar lateral structure and liquid crystal display device |
| US20180086252A1 (en) * | 2016-09-23 | 2018-03-29 | Koito Manufacturing Co., Ltd. | Vehicular lamp and vehicular exterior rear view device |
| CN210624414U (en) * | 2018-05-09 | 2020-05-26 | 株式会社小糸制作所 | Light guide body |
Non-Patent Citations (2)
| Title |
|---|
| 卫炜, 胡泽豪: "正交试验设计的注塑成型工艺参数多目标优化设计", 《现代制造工程》 * |
| 奚永生: "《塑料、橡胶成型模具设计手册》", 31 July 2000 * |
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| Publication number | Publication date |
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| JP2019197643A (en) | 2019-11-14 |
| CN210624414U (en) | 2020-05-26 |
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Application publication date: 20191119 |