CN109983276A - Lighting device including the screen with different light transmission regions - Google Patents
Lighting device including the screen with different light transmission regions Download PDFInfo
- Publication number
- CN109983276A CN109983276A CN201780072079.0A CN201780072079A CN109983276A CN 109983276 A CN109983276 A CN 109983276A CN 201780072079 A CN201780072079 A CN 201780072079A CN 109983276 A CN109983276 A CN 109983276A
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- Prior art keywords
- area
- color
- light
- sub
- photon
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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
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
-
- 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
- F21S41/28—Cover glass
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- 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]
-
- 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]
- F21Y2115/15—Organic light-emitting diodes [OLED]
Abstract
A kind of lighting device (DE), it includes light source (SL) and screen (EC), the light source is suitable for the photon that can ensure that at least one luminosity function being discharged into predetermined position (EP), screen setting is before predetermined position (EP) and including alternate first area (Z1) and second area (Z2), the first area and the second area are respectively provided with the first light transmission and the second light transmission strictly less than the first light transmission, so that intensity of the intensity of the light generated by the photon across each first area (Z1) strictly larger than the light generated by the photon across each second area (Z2).
Description
Technical field
The present invention relates to lighting devices, and more particularly, to the lighting device for the light source for including release photon, the light
Son is for ensuring at least one luminosity function (fonction photom é trique).
Background technique
" lighting device " is interpreted as light emitting device herein, ensures the luminosity function of at least one illumination, signal or light efficiency
Can, which may be decorative.
In some fields, for instance it can be possible that the field of the vehicle of type of motor vehicle, using lighting device to generate by
One clear zone replaces the light bar constituted with the second dark space.Such as when lighting device is for ensuring position lamp (or stop light, signal
Lamp) function and/or daytime running lamps (or (in generation, refers to " Daytime running Light (or Lamp) " to DRL, i.e., when vehicle is in day
Between the optical signal that lights automatically when running)) when, situation is especially true.
Currently, such device includes light source (in general, at least one light emitting diode associated with light guide), cover
With protection glass, this be provide with set light source front and including limit first area through-hole and limit second area through-hole it
Between space, the protection glass be arranged before shadow mask (masque à trous).The cover is with the plastics of opaque (such as black)
Material is made, and therefore only generates light in first area across the photon of through-hole, which takes a walk opaque
Second area between, which prevents photon from passing through.
This configuration has multiple shortcomings.In fact, due to there is cover and protection glass, so in the totality of photon spread
Seem relatively bulky on direction (being in the car longitudinal direction).Then, due to the significant temperature of the upstream of cover and the downstream of protection glass
Difference condenses frequent occurrence between the cover of device and the protection glass of device.In addition, impermeable because being limited by the cover outside through-hole
The presence of bright second area and cause the part of photon to be prevented from appearing in outside, so the device cannot provide it is extraordinary
Luminous efficiency.In addition, due to protection glass and respective manufacture dimensional tolerance and their own gap are covered, so will protection
Glass is located in front of cover and is often difficult.
Summary of the invention
The present invention is particularly intended to improve the situation.
For this purpose, present invention particularly provides a kind of lighting device including light source, the light source be suitable for can ensure that
The photon of a few luminosity function is discharged into predetermined position.
The lighting device is characterized in that, is further included screen, is arranged before predetermined position and including alternate firstth area
Domain and second area, the first area and second area are respectively provided with the first light transmission and strictly less than first light transmissions
Second light transmission of rate, so that the intensity of the light generated by the photon for passing through each first area is each strictly larger than by passing through
The intensity for the light that the photon of second area generates.
Therefore, shadow mask is eliminated, this especially allows to reduce volume on the general direction of photon spread and allows to simplify screen
Positioning.
Lighting device according to the present invention may include other features that can be used separately or in combination, and especially:
First area can have the first color, and second area can have the second color；
Screen can be first area Z1, and by having, the first plastic material of the first color is made and second area Z2 is by having
There is component made of the second plastic material of the second color；
Component may include respectively with the first sub-portion made of the first plastic material and the second plastic material and the second sub-portion.
First sub-portion is securely attached at least one portion of the outer surface of the second sub-portion, and the outer surface is opposite with predetermined position
Ground orientation, and the second sub-portion includes through-hole, is limited to before the part of the first sub-portion, and the part of first sub-portion limits respectively
Determine first area；
As modification, screen can be the component of plastic material or glass material, have the first color and including setting
There is the surface of add ons, which has the second color and define second area；
Light source may include at least one light emitting diode that may be organic forms；
Light source may include light guide, and being suitable for will be in the received photon transmission generated of incidence surface to front surface, should
Front surface is located exactly at the top in predetermined position and is suitable for these photon transmissions to predetermined position.
The invention also provides a kind of vehicle optical unit, which may be type of motor vehicle, the vehicle optical
Unit includes at least one lighting device of the above-mentioned type.
The invention also provides a kind of vehicle, the vehicle may be type of motor vehicle and including the above-mentioned type at least
At least one optical unit of one lighting device or the above-mentioned type.
Detailed description of the invention
By checking detailed description below and attached drawing, other features and advantages of the present invention be will become apparent from, in the accompanying drawings:
Fig. 1 diagrammatically illustrates the embodiment including lighting device according to the present invention with the cross-sectional view along plane XY
Optical unit example, and
Fig. 2 diagrammatically illustrates the light bar example obtained by the lighting device of Fig. 1 with front view.
Specific embodiment
The present invention, which is intended in particular to, proposes a kind of lighting device DE, is used to ensure at least one luminosity (photom é trie)
Function.
Hereinafter, as non-limiting example think, lighting device DE is used to be equipped with the optical unit BO of vehicle, should
Vehicle is the type of motor vehicle of such as automobile.However, the present invention is not limited to the applications.In fact, lighting device DE itself can
To be equipment (shell that may include its own), or a part of another equipment of vehicle optical unit can be become.Therefore,
Lighting device DE can become any (land, sea (river transport) or aerial) carrier, arbitrarily setting including industrial type equipment
Standby, any mechanism (or system), any wing.
In addition, hereafter as thinking without limitation, optical unit BO (including at least one lighting device DE) is
Headlight, ensures all at least one photometric signal functions as described below: position lamp (or stop light, signal lamp) function and/
Or daytime running lamps (or DRL is (for referring to " Daytime running Light (or Lamp) ", i.e., certainly when vehicle is in day run
The dynamic optical signal lighted)).However, the present invention is not limited to the applications.In fact, lighting device DE according to the present invention is a kind of
Luminous device can ensure the luminosity function of at least one illumination, signal or light efficiency, which may be decorative.
In fig. 1 and 2, since direction X is parallel to the longitudinal direction side of vehicle, so direction X is so-called longitudinal direction；By
It therefore simultaneously is transversely to the machine direction direction X perpendicular to the longitudinal direction side of the vehicle in direction Y, so direction Y is so-called transverse direction；By
In direction, Z is transversely to the machine direction direction X and transverse direction Y, so direction Z is vertical direction.
It (is preceding that the vehicle optical unit B O including lighting device according to the present invention is diagrammatically illustrated in Fig. 1 herein
Lamp) part.
As shown, optical unit BO particularly including shell BB, be connected to the vehicle body CV of vehicle part (herein for
Left front part).
Shell BB is made of the rigid material of such as plastic material or synthetic material.In this case, shell BB can pass through
Molding is made.Shell BB defines a part for accommodating the chamber of lighting device DE according to the present invention and ensures at least one
Other possible lighting devices of other luminosity functions.
As shown in Figure 1, lighting device DE according to the present invention includes at least one light source SL and screen EC.
Light source SL is suitable for the photon that can ensure that at least one luminosity function being discharged into predetermined position EP.
Light source SL includes at least one light of such as light emitting diode (or LED (" Light-Emitting Diode "))
Electronic generator, the light emitting diode may be Organic Light Emitting Diode (or OLED (" Organic Light-Emitting
Diode ")) type.As modification, each photon generator can be laser diode.
It is noted that each photon generator can for example be installed on the supporting plate although being not shown in Fig. 1.The branch
Fagging can be for example the rigidity of PCB (" Printed Circuit Board ") type or the printed circuit of flexibility (" Flex " type)
Plate.
Non-limiting as shown in figure 1 to show, light source SL may also comprise light guide GL, be suitable for be generated simultaneously by photon generator
In the received photon transmission of incidence surface to front surface FV, front surface FV is located exactly at the top of predetermined position EP and is suitable for inciting somebody to action
These photon transmissions are to predetermined position EP.The incidence surface is for example positioned at the end of light guide GL.
For example, light guide GL can be made of polycarbonate (or PC) or polymethyl methacrylate (or PMMA).
Photon is discharged into predetermined position EP before the front surface FV of light guide GL in order to optimize, lighting device DE can
Including reflector RL, in the rear surface side opposite with the front surface FV of light guide GL partially around light guide GL.The reflector
RL can be made up of for example white plastic material or synthetic material of molding.
When lighting device DE is a part of optical unit BO, reflector RL is connected to the inner surface of shell BB, this is outer
The inner surface BB of shell defines the part of aforementioned cavity.
Shield EC to be arranged before the EP of predetermined position and including alternate first area Z1 and second area Z2.It " will hand over herein
For " it is interpreted as the sequence of Z1, Z2, Z1, Z2, Z1, Z2 type, as shown in non-limiting in Fig. 2.
Each first area Z1 has the first light transmission ct1.Each second area Z2 has the second light transmission ct2,
It is strictly less than the first light transmission ct1 (i.e. ct2 > ct1).Therefore, by across each first area Z1 photon generate (or
Constitute) light intensity strictly larger than across each second area Z2 photon generate light intensity.This allows to limit light bar
BL comprising alternate "high" strength portion and " low " (even zero) strength portion, such as non-limiting in Fig. 2 show
Example.
For example, first area Z1 can have the first color, and second area Z2 can have the second color.
As an example, the first color can be the color of so-called transparent whites crystal, and the second color can be it is impermeable
Bright black, the example as shown in Fig. 2 without limitation.However, providing the first light transmission ct1 respectively and the second light is saturating
Other combinations for penetrating the first color and the second color of rate ct2 can be arranged according to luminosity function to be ensured.
The restriction to first area Z1 and second area Z2 can be carried out by different modes.Hereafter as non-limiting
Part in these methods is illustratively described.
For example, the component that screen EC can be discussed further below: where first area Z1 is by the first plastics with the first color
Material is made, and second area Z2 is made of the second plastic material with the second color.This component EC can for example lead to
Molding is crossed to be made.
In this case, as example and as shown in figure 1 non-limiting to show, component EC may include respectively with the first modeling
Expect the first sub-portion SP1 and the second sub-portion SP2 made of material and the second plastic material.First sub-portion SP1 is securely attached to
At least one portion of the outer surface of two sub-portion SP2.The outer surface and predetermined position EP are oppositely oriented, i.e., towards optics
The outside of unit B O.Second sub-portion SP2 includes through-hole TT, positioned at the front of the part of the first sub-portion SP1, first sub-portion
The part of SP1 limits first area Z1 respectively.
It should be understood that the part of the second sub-portion SP2 that is solid and therefore surrounding through-hole TT limits second area Z2.Cause
This, photon can then pass through first via through-hole TT freely from predetermined position EP to the first area Z1 of the first sub-portion SP1
Region Z1, to appear in the outside of optical unit BO (before the outer surface of the first sub-portion SP1 and therefore in the outer of screen EC
Before portion surface).On the contrary, when photon touches the second area Z2 of opaque (i.e. ct2=0), photon be absorbed or by
It is reflected into predetermined position EP, this allows photon then to be reflected by reflector RL towards first area Z1.
This component EC can be for example made by injecting two different colors of material of molding.
In unshowned implementation modification, screen EC can be the component of plastic material or glass material, have the first face
Color and the surface including being provided with add ons (preferably, interior surface), the add ons have the second color and define
Second area Z2.These elements can be limited for example by (such as using ink) bat printing (tampographie), Huo Zheke
To be the component connected by may be the bonding of heat bonding.
It should be noted that screen EC can be in conjunction with shell BB, with special when lighting device DE is a part of optical unit BO
It is define chamber in front, it is non-limiting as shown in figure 1 to show.
The present invention provides multiple advantages, in which:
Due to not having shadow mask, the lighting device less than the prior art can be obtained on the general direction of photon spread
Volume,
Due to there is no shadow mask between light source and screen, the invention avoids the formation of condensation,
Cause light source closer to screen due to there is no shadow mask, the present invention allows to obtain better luminous efficiency,
Due to there is no shadow mask, the problem of positioning the invention avoids screen,
Due to there is no shadow mask, assembling and the lighting device in optical unit that the present invention allows to simplify lighting device
It is possible integrated.
Claims (10)
1. a kind of lighting device DE including light source SL, the light source is suitable for releasing the photon that can ensure that at least one luminosity function
It is put into predetermined position EP, which is characterized in that the lighting device DE further includes screen EC, is arranged before the predetermined position EP
And including alternate first area Z1 and second area Z2, the alternate first area and second area define light bar BL,
The first area Z1 and second area Z2 is respectively provided with the first light transmission and strictly less than first light transmission
Second light transmission of rate, so that the intensity of the light generated by the photon across each first area Z1 is strictly larger than by wearing
Cross the intensity of the light of the photon generation of each second area Z2.
2. the apparatus according to claim 1, which is characterized in that the first area Z1 has the first color and described second
Region Z2 has the second color.
3. the apparatus of claim 2, which is characterized in that first color is the face of so-called transparent whites crystal
Color and second color is opaque black.
4. the device according to any one of Claims 2 or 3, which is characterized in that the screen EC is the first area Z1
It is made of the first plastic material with first color and the second area Z2 is by second with second color
Component made of plastic material.
5. device according to claim 4, which is characterized in that the component EC includes respectively with first plastic material
With the first sub-portion SP1 made of second plastic material and the second sub-portion SP2, in addition, the first sub-portion SP1 securely connects
It is connected at least one portion of the outer surface of the second sub-portion SP2, the outer surface is opposite with the predetermined position EP
Ground orientation, and the second sub-portion SP2 includes through-hole TT, before the part of the first sub-portion SP1, described first
The part of sub-portion limits first area Z1 respectively.
6. the device according to any one of Claims 2 or 3, which is characterized in that the screen EC is plastic material or glass
The component of material, with first color and the surface including being provided with add ons, the add ons have described
Second color simultaneously defines the second area Z2.
7. device according to any one of claim 1 to 6, which is characterized in that the light source SL includes at least one hair
Optical diode.
8. device according to claim 7, which is characterized in that the light source SL includes light guide GL, and being suitable for will be in incidence
The photon transmission of the received generation is located exactly at the upper of the predetermined position EP to front surface FV, the front surface in surface
Side is simultaneously suitable for the photon transmission to the predetermined position EP.
9. a kind of vehicle optical unit B O, which is characterized in that including according to any one of the preceding claims at least one
Kind lighting device DE.
10. a kind of vehicle, which is characterized in that including at least one optical unit BO according to claim 9.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1661328A FR3059082B1 (en) | 2016-11-21 | 2016-11-21 | ZONED SCREEN LIGHTING DEVICE HAVING DIFFERENT LIGHT TRANSMISSION COEFFICIENTS |
| FR1661328 | 2016-11-21 | ||
| PCT/FR2017/053069 WO2018091803A1 (en) | 2016-11-21 | 2017-11-10 | Lighting device comprising a screen with regions having different light transmission coefficients |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109983276A true CN109983276A (en) | 2019-07-05 |
Family
ID=58054251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780072079.0A Pending CN109983276A (en) | 2016-11-21 | 2017-11-10 | Lighting device including the screen with different light transmission regions |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3542101B1 (en) |
| CN (1) | CN109983276A (en) |
| FR (1) | FR3059082B1 (en) |
| WO (1) | WO2018091803A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2965889A1 (en) * | 2010-10-12 | 2012-04-13 | Valeo Vision | LIGHTING AND / OR SIGNALING DEVICE ICE WITH VARIABLE LIGHT TRANSMISSION COEFFICIENT |
| CN105026824A (en) * | 2012-12-17 | 2015-11-04 | Lg伊诺特有限公司 | Rear-side area warning module |
| CN105074327A (en) * | 2013-03-05 | 2015-11-18 | 标致·雪铁龙汽车公司 | Device for indicating a change in direction of a vehicle, with light guide and opaline screen |
| WO2016051490A1 (en) * | 2014-09-30 | 2016-04-07 | 日立マクセル株式会社 | Vehicle light fixture |
| CN106051574A (en) * | 2015-04-14 | 2016-10-26 | 福特环球技术公司 | Illuminating decal for vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1432558A (en) * | 1972-09-22 | 1976-04-22 | Secr Defence | Graticule |
| CN1196203C (en) * | 1999-07-29 | 2005-04-06 | 西铁城电子股份有限公司 | Light-emitting diode |
| FR2927858B1 (en) * | 2008-02-26 | 2010-06-04 | Peugeot Citroen Automobiles Sa | LIGHTING PROJECTOR WITH CONTROLLED OCCULTATION FOR MOTOR VEHICLE. |
| JP2011520281A (en) * | 2008-05-07 | 2011-07-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Illumination device comprising an LED having a self-supporting grid comprising a luminescent material and a method of making a self-supporting grid |
| WO2010134331A1 (en) * | 2009-05-22 | 2010-11-25 | Panasonic Corporation | Semiconductor light-emitting device and light source device using the same |
-
2016
- 2016-11-21 FR FR1661328A patent/FR3059082B1/en active Active
-
2017
- 2017-11-10 CN CN201780072079.0A patent/CN109983276A/en active Pending
- 2017-11-10 EP EP17808545.2A patent/EP3542101B1/en active Active
- 2017-11-10 WO PCT/FR2017/053069 patent/WO2018091803A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2965889A1 (en) * | 2010-10-12 | 2012-04-13 | Valeo Vision | LIGHTING AND / OR SIGNALING DEVICE ICE WITH VARIABLE LIGHT TRANSMISSION COEFFICIENT |
| CN105026824A (en) * | 2012-12-17 | 2015-11-04 | Lg伊诺特有限公司 | Rear-side area warning module |
| CN105074327A (en) * | 2013-03-05 | 2015-11-18 | 标致·雪铁龙汽车公司 | Device for indicating a change in direction of a vehicle, with light guide and opaline screen |
| WO2016051490A1 (en) * | 2014-09-30 | 2016-04-07 | 日立マクセル株式会社 | Vehicle light fixture |
| CN106051574A (en) * | 2015-04-14 | 2016-10-26 | 福特环球技术公司 | Illuminating decal for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018091803A1 (en) | 2018-05-24 |
| FR3059082A1 (en) | 2018-05-25 |
| EP3542101A1 (en) | 2019-09-25 |
| FR3059082B1 (en) | 2019-07-12 |
| EP3542101B1 (en) | 2023-10-11 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190705 |