CN103363412A - Lighting apparatus of vehicle - Google Patents

Lighting apparatus of vehicle Download PDF

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Publication number
CN103363412A
CN103363412A CN2013100687160A CN201310068716A CN103363412A CN 103363412 A CN103363412 A CN 103363412A CN 2013100687160 A CN2013100687160 A CN 2013100687160A CN 201310068716 A CN201310068716 A CN 201310068716A CN 103363412 A CN103363412 A CN 103363412A
Authority
CN
China
Prior art keywords
light
lighting device
lgp
light source
described light
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
Application number
CN2013100687160A
Other languages
Chinese (zh)
Inventor
姜东坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Mobis Co Ltd
Original Assignee
Hyundai Mobis Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hyundai Mobis Co Ltd filed Critical Hyundai Mobis Co Ltd
Publication of CN103363412A publication Critical patent/CN103363412A/en
Pending legal-status Critical Current

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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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • 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

Abstract

The invention provides a lighting apparatus of a vehicle, which is simple in structure and has improved luminous efficiency. Accordingly, according to one embodiment, the lighting apparatus of the vehicle comprises a light source which is used for generating light and a light guide plate which is composed of a light emergence part and a reflection part. The light emergence part enables the light to emerge from the front, and the reflection part is connected at the rear of the light emergence part to fully reflect the light, so that the light is emitted to the front by the light emergence part, and the heat caused by the light is dissipated towards outer sides.

Description

The lighting device of vehicle
Technical field
The present invention relates to the lighting device of vehicle, the light that relates in more detail be provided with light source carries out total reflection to the lighting device of the vehicle of the LGP of outside bright dipping.
Background technology
Usually, the place ahead of vehicle and rear can be equipped with the convenience that various lighting devices provide vehicle safety and travel, and this lighting device has, headlight, taillight, steering indicating light etc.
This lighting device, when the visual observation of vehicle, than exposing light source, attention tendency along with nearest vehicle design, trend towards developing the light that is provided with light source and carry out total reflection and come to the lighting device of the LGP of outside bright dipping, thereby directly do not expose light source and can bring into play the illuminating effect of indirect.
Summary of the invention
(technical problem that will solve)
The technical problem to be solved in the present invention is, provides simple in structure and promoted the lighting device of the vehicle of optical efficiency.
Technical problem of the present invention is not limited to the technical problem of mentioning described above, and the practitioner can clearly recognize not mentioned or other technical problem by following record.
(means of dealing with problems)
In order to reach described technical problem, the lighting device of vehicle according to an embodiment of the invention comprises: light source is used for generating light; LGP, consisted of by light out part and reflecting part, described light out part, with described light to the front bright dipping, described reflecting part, the described light of total reflection is settled in the back that is connected to described light out part, thereby described light out part is penetrated described light to the front, and the heat that is caused by described photoconduction to external cooling.
The details of other embodiment are included in the detailed explanation and accompanying drawing.
(effect of invention)
The lighting device of vehicle according to the invention, by the reflection of light section of the described light source of total reflection, therefore the heat to external cooling is caused by described photoconduction has the effect that need not be used to the heat abstractor of the heat that cools off described light source.
In addition, light source is not placed in the outside of LGP, but be placed in the inside of described LGP, therefore, can prevent that thereby the phenomenon that the light that generates in the described light source is eliminated by total reflection has the effect that promotes optical efficiency in out process in air, and because do not have air layer between described light source and the LGP, thereby the medium that advances that has therefore reduced light also has lifting to the effect of the light transmittance of the light of described LGP incident.
In addition, described LGP is to be formed by the UV cured resin of pyroconductivity far above air, therefore has to need not the effect that heat abstractor cools off the heat that is caused by light.
Effect of the present invention does not limit and the above mentioned effect that arrives, and clearly understands not mentioned in the technical scope that the practitioner can pass through to record and narrate or other effect.
Description of drawings
Fig. 1 represents the according to an embodiment of the invention rear isometric view of the bonding state of the lighting device of vehicle.
Fig. 2 represents the according to an embodiment of the invention isometric front view of the decomposing state of the lighting device of vehicle.
Fig. 3 represents the according to an embodiment of the invention cutaway view of the lighting device of vehicle.
(description of reference numerals)
10: substrate 15: light source
20: LGP 22: reflecting part
24: light out part 25: joint portion
30: shadow shield 32,34: hook portion
The specific embodiment
By the embodiment of reference accompanying drawing and following detailed description, advantage of the present invention, feature and realize that their method can be clearer and more definite.But the invention is not restricted to following the disclosed embodiments, is to be realized by multiple different form.Embodiments of the invention are just for intactly openly the present invention, and provide in order to allow the general technical staff of the technical field of the invention easily understand the invention category, and the present invention is that the record with claims is as the criterion.On the one hand, the technical terms that uses in this specification is for explanation embodiment, is not to limit the present invention.Based on the full text of specification, identical reference marks refers to identical structural element.
Below, with reference to accompanying drawing the lighting device of vehicle is according to an embodiment of the invention described.
Fig. 1 represents the according to an embodiment of the invention rear isometric view of the bonding state of the lighting device of vehicle, Fig. 2 represents the according to an embodiment of the invention isometric front view of the decomposing state of the lighting device of vehicle, and Fig. 3 represents the according to an embodiment of the invention cutaway view of the lighting device of vehicle.At this, arrow shown in Figure 3 represents the moving direction by the heat of the light generation of light source.
Referring to figs. 1 through Fig. 3, the lighting device 100 of vehicle according to an embodiment of the invention comprises: light source 15 is used for generating light; LGP 20, the light that generates in the total reflection light source 15 is to the front exterior bright dipping.
Light source 15 possesses and is LED, and settles three at substrate 10.But the number of the light source 15 of settling on the substrate 10 is not limited thereto.
It is inner that light source 15 buries the side of standing on LGP 20, thereby make the light that generates in the light source 15 not by air and directly into directive LGP 20.
As mentioned above, light source 15 is not placed in the outside of LGP 20 but is placed in the inside of LGP 20, therefore, can prevent that the phenomenon that the light that generates in the light source 15 is eliminated by total reflection from promoting optical efficiency in out process in air.In addition, do not have air layer between light source 15 and the LGP 20, thereby the medium that advances that has therefore reduced light can promote to the light transmittance of the light of described LGP 20 incidents.
The inside, back of LGP 20 is formed with reflecting part 22, make the light total reflection that enters to shine from light source 15 to the front of LGP 20, therefore, can pass through reflecting part 22 from the light of the light source 15 of the side incident of LGP 20, and the integral body of process LGP 20, with the front bright dipping of uniform state guide tabula rasa 20.
Substrate 10 is placed in the side of LGP 20 with the state that a plurality of light sources 15 are installed, make light source 15 be placed in the side of LGP 20 inner.That is, the substrate 10 that light source 15 is installed forms as one with LGP 20, thereby than in the past substrate 10 and LGP 20 independent structures that form, can simplify assembling procedure.
Reflecting part 22 is formed at the back of LGP 20.Reflecting part 22, the front forms the pattern (not shown) of regulation, thus total reflection is from the light of light source 15 incidents.Reflecting part 22 is made of the metal material of the predetermined pattern that can print the described light of total reflection, and the heat that is caused by the light of light source 15 to external cooling, thereby need not to be placed in the heat abstractor of the heat that is used for cooling light source 15 in the past the substrate 10.
In addition, the back of reflecting part 22 is that the anti-light transmission material by described light consists of, and therefore need not in order to improve to the efficient of the light of the front bright dipping of LGP 20 and in order to prevent that light from going out and be placed in the back cover plate of LGP 20 back from the back transmission of in the past LGP 20.In the present embodiment, reflecting part 22 is to be formed by metal, is printed with in front described pattern and comes total reflection from the light of light source 15 incidents, thereby the height of described pattern and width are formed with fine pattern.
In addition, LGP 20 also is formed with light out part 24, and settle the front that is contacted with reflecting part 22, forms the front of LGP 20.Light out part 24 is formed and is coated by resin on the front that is contacted with reflecting part 22 on the front of reflecting plate 22 and settles, thereby will be from the light of reflecting part 22 total reflections to the front exterior bright dipping.
Coat on the front of reflecting part 22 at light out part 24 before, a side that substrate 10 is butted up against reflecting part 22 makes light source 15 be positioned at the upper rear flank of the front of reflecting part 22, light out part 24 is coated on the front of reflecting part 22, and made light source 15 come to form as one with LGP 20 to bury the state that stands on light out part 24 by solidification device curing light out part 24.
Light out part 24 uses UV(Ultraviolet) cured resin.The UV cured resin has higher refractive index than air, and has higher pyroconductivity.In the present embodiment, during as benchmark medium (refractive index=1), light source 15 uses refractive indexes to be about 3 LED with air, and the refractive index of UV cured resin is about 1.5.
Because the refractive index of air is 1, therefore in the past light source 15 is not placed in the inside of LGP 20 but when being placed in the situation of outside of LGP 20, the difference of the refractive index of light source 15 and air is the difference 2 that the refractive index 3 of light source 15 deducts air refraction 1.At this moment, shine the airborne cirtical angle of total reflection from light source 15 and be about 33.9 degree.
On the other hand, the difference of the light source 15 of the present embodiment and the refractive index of UV cured resin is the difference 1.5 that the refractive index 3 of light source 15 deducts the refractive index 1.5 of UV cured resin, than in the past, the difference of refractive index is less, and the cirtical angle of total reflection is about 52.4 degree, also greater than in the past, so optical efficiency is improved.
In addition, the heat that the photoconduction that in the past needed heat abstractor to cool off generation in the light source 15 causes, but in the present embodiment, the light out part 24 of LGP 20 is to be formed by the UV cured resin of pyroconductivity far above air, therefore need not heat abstractor.
As mentioned above, the lighting device of vehicle according to an embodiment of the invention, light source 15 bury the side of standing on LGP 20 inner come integrated after, with shadow shield 30 in conjunction with being installed on the vehicle.That is, shadow shield 30 combines with light source 15 and LGP 20 and is installed on the vehicle.
Shadow shield 30 is formed with and makes the open pore 35 that passes through from the light of the front bright dipping of LGP 20, makes the outside from the illumination of the front bright dipping of LGP 20 to vehicle.
Around open pore 35, be formed with respectively a plurality of hook portion 32,34 and 36 on the shadow shield 30.Herein, hook portion 32,34 and 36 is protruded respectively the inboard that is formed at shadow shield 30.
Hook portion 32,34 comprises: hook portion 32, the outside and the combination of wrapping up LGP 20 at the upper and lower sides of LGP 20; Hook portion 34, the outside and the combination in the outside of parcel substrate 10.Among the figure, hook portion 32,34 is formed by a plurality of respectively, but also can form at least one.For example, hook portion 32,34 forms a long hook at the upper and lower sides of open pore 35 respectively, forms a long hook in the side of open pore 35.
Be formed with combined hole (not shown) on 36, come by bonded block and LGP 20 combinations such as screw.
Be formed with the joint portion 25 with shadow shield 30 combinations on the light out part 24.The back side surface that is formed at the LGP 20 that is mounted with substrate 10 is protruded in joint portion 25.Form combined hole 26 on the joint portion 25, and carry out combination by being formed at described combined hole and a described bonded block of 36, make joint portion 25 and 36 combination by described bonded block, thereby a side of LGP 20 is combined with shadow shield 30.
As mentioned above, the lighting device of vehicle according to the invention, light source 15 is not placed in the outside of LGP 20 but is placed in the inside of LGP 20, therefore, can prevent in the light source 15 that the phenomenon that the light that generates is eliminated by total reflection promotes optical efficiency in out process in air, and, do not have air layer between light source 15 and the LGP 20, thereby the medium that advances that has therefore reduced light can promote to the light transmittance of the light of described LGP 20 incidents.
Therefore in addition, LGP 20 is formed by the UV cured resin of pyroconductivity far above air, need not heat abstractor and cools off the heat that the light that generated by light source 15 causes.
The general technical staff of the technical field of the invention should be appreciated that and may be embodied as other concrete forms in the situation that do not change its technical thought or necessity feature.Therefore, it is illustratively expression on all faces that the above embodiment that records and narrates should be understood to, rather than in order to limit.Protection scope of the present invention explains than described, can be to manifest in technical scope, should be interpreted as also having and all being within the scope of the present invention from its impartial all changes that concept derived or the form of distortion at technical scope.

Claims (11)

1. the lighting device of a vehicle is characterized in that, comprising:
Light source is used for generating light;
LGP, consisted of by light out part and reflecting part, described light out part, with described light to the front bright dipping, described reflecting part, the described light of total reflection is settled in the back that is connected to described light out part, thereby described light out part is penetrated described light to the front, and the heat that is caused by described photoconduction to external cooling.
2. the lighting device of vehicle according to claim 1 is characterized in that,
Described reflecting part be by, the metal material that can print the predetermined pattern of the described light of total reflection consists of.
3. the lighting device of vehicle according to claim 1 is characterized in that,
Described reflecting part back is that the anti-light transmission material by, described light consists of.
4. the lighting device of vehicle according to claim 1 is characterized in that,
Described light out part be by, the resin material that is coated on described reflecting part front consists of.
5. the lighting device of vehicle according to claim 4 is characterized in that,
Described light out part is the UV cured resin.
6. the lighting device of vehicle according to claim 1 is characterized in that,
Described light source, the side that is placed in described LGP is inner.
7. the lighting device of vehicle according to claim 6 is characterized in that, also comprises:
Substrate is equipped with described light source and is placed in the side of described LGP, makes described light source be placed in the side of described LGP inner.
8. the lighting device of vehicle according to claim 1 is characterized in that,
Described light source is to bury and stand on described light out part.
9. the lighting device of vehicle according to claim 1 is characterized in that, also comprises:
Shadow shield is installed on vehicle,
Be formed with at least one hook portion on the described shadow shield, wrap up the outside and the combination of described LGP.
10. the lighting device of vehicle according to claim 7 is characterized in that, also comprises:
Shadow shield is installed on vehicle,
Be formed with at least one hook portion on the described shadow shield, wrap up the outside and the combination of described substrate.
11. the lighting device of vehicle according to claim 1 is characterized in that, also comprises:
Shadow shield is installed on vehicle,
Described light out part is formed with the joint portion, combines with described shadow shield.
CN2013100687160A 2012-04-02 2013-03-05 Lighting apparatus of vehicle Pending CN103363412A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120033925A KR101405238B1 (en) 2012-04-02 2012-04-02 Lamp apparatus for an automobile
KR10-2012-0033925 2012-04-02

Publications (1)

Publication Number Publication Date
CN103363412A true CN103363412A (en) 2013-10-23

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Application Number Title Priority Date Filing Date
CN2013100687160A Pending CN103363412A (en) 2012-04-02 2013-03-05 Lighting apparatus of vehicle

Country Status (2)

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KR (1) KR101405238B1 (en)
CN (1) CN103363412A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015184769A1 (en) * 2014-10-22 2015-12-10 中兴通讯股份有限公司 Apparatus for usb interface outline marking

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1564923A (en) * 2001-10-03 2005-01-12 3M创新有限公司 Light-guide lights providing a substantially monochromatic beam
CN1738991A (en) * 2002-12-06 2006-02-22 技兴有限公司 Lamp for vehicle
CN1991496A (en) * 2005-12-28 2007-07-04 中华映管股份有限公司 Backlight components of light-emitting diode chip
JP2010182554A (en) * 2009-02-06 2010-08-19 Stanley Electric Co Ltd Led light source, and lighting fixture for vehicle using the same
CN103322484A (en) * 2012-03-19 2013-09-25 现代摩比斯株式会社 Lighting device of vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1564923A (en) * 2001-10-03 2005-01-12 3M创新有限公司 Light-guide lights providing a substantially monochromatic beam
CN1738991A (en) * 2002-12-06 2006-02-22 技兴有限公司 Lamp for vehicle
CN1991496A (en) * 2005-12-28 2007-07-04 中华映管股份有限公司 Backlight components of light-emitting diode chip
JP2010182554A (en) * 2009-02-06 2010-08-19 Stanley Electric Co Ltd Led light source, and lighting fixture for vehicle using the same
CN103322484A (en) * 2012-03-19 2013-09-25 现代摩比斯株式会社 Lighting device of vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015184769A1 (en) * 2014-10-22 2015-12-10 中兴通讯股份有限公司 Apparatus for usb interface outline marking

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Publication number Publication date
KR20130111773A (en) 2013-10-11
KR101405238B1 (en) 2014-06-10

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Application publication date: 20131023