CN109424925A - Lamps apparatus for vehicle - Google Patents
Lamps apparatus for vehicle Download PDFInfo
- Publication number
- CN109424925A CN109424925A CN201810916639.2A CN201810916639A CN109424925A CN 109424925 A CN109424925 A CN 109424925A CN 201810916639 A CN201810916639 A CN 201810916639A CN 109424925 A CN109424925 A CN 109424925A
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- China
- Prior art keywords
- organic
- units
- lamps apparatus
- vehicle
- packaging film
- Prior art date
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
- F21S43/145—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- 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
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—Optical layout thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of lamps apparatus for vehicle, can be inhibited by simply constructing to the reduction of light output, improve reliability.Lamps apparatus for vehicle (10) is equipped with organic EL units (13) in main part (11,12), in the lamps apparatus for vehicle (10), organic EL units (13) are that the organic luminous layer (15) being arranged on substrate (14) is passed through the construction that the first packaging film (16) are packaged, and substrate (14) is encapsulated entirely through the second packaging film (18).
Description
Technical field
The present invention relates to lamps apparatus for vehicle, more particularly to the lamps apparatus for vehicle for using organic EL units as light source.
Background technique
In lamps apparatus for vehicle, self luminous organic EL (Electro Luminescence) unit is used as light source sometimes
(for example, referring to patent document 1).In the case where flat organic EL units as described above are used as light source, need
The shape that the exit direction of light is set as corresponding in the state of defined direction lamp outer is configured, in patent document 1
In the lamps apparatus for vehicle of record, following structures are proposed, that is, by multiple planar illuminators respectively in defined position with identical court
It configures to arrangement, is reflected by curved reflector.In addition, as the organic EL units for being used as light source, with flexible
Configured while curved surface can be followed.
Fig. 7 is the schematic diagram for indicating the organic EL units proposed in the past.Organic EL units 3 include barrier substrate 5, tool
There is flexible and translucency；Organic luminous layer 6 is formed in the surface of barrier substrate 5；Packaging film 7, to organic luminous layer 6
It is packaged；And power supply wiring 8, it is supplied electric power outside organic EL units 3 to organic luminous layer 6.About with organic hair
Photosphere 6 connect and supply electric power transparent electrode, reflecting electrode, illustration omitted.
Using the lamps apparatus for vehicle of organic EL units 3 as described above, organic luminous layer 6 is formed by vapor deposition etc., therefore
Face can be carried out by very thin film to shine.In addition, using to have and as barrier substrate 5 and scratch in organic EL units 3
Property resin substrate etc., to realize lightweight, and curve form can be followed and shone with curved.
Patent document 1: Japanese Unexamined Patent Publication 2011-150887 bulletin
In above-mentioned existing organic EL units 3, organic luminous layer 6 is made of organic material, so if moisture, outside
Gas intrusion, then there is the service life deteriorates such problems significantly, needs the entirety by packaging film 7 to organic luminous layer 6
It is packaged.But draw with from ACF (Anisotoronic Conductive Film) interconnecting piece, that is, organic luminous layer 6
The coupling part of electrode or power supply wiring 8 is not provided with packaging film 7 out.Therefore, because the intrusion of moisture, extraction electrode or
ACF interconnecting piece, power supply wiring 8 corrodes and the service life shortens, about the power supply to organic EL units 3, it is difficult to ensure reliability.
Summary of the invention
Therefore, problem of the present invention is that, a kind of lamps apparatus for vehicle is provided, it can be by simply constructing to light output
Reduction inhibited, improve reliability.
In order to solve the above problems, lamps apparatus for vehicle of the invention is equipped with organic EL units in main part, the vehicle
Be characterized in that with lamps and lanterns, the organic EL units be by the organic luminous layer being disposed on the substrate by the first packaging film into
The construction of row encapsulation, the substrate is covered entirely through the second packaging film and is encapsulated.
In lamps apparatus for vehicle present invention as described above, by the substrate of organic EL units entirely through the second thinner package
Film is covered and is encapsulated, therefore can be inhibited to the reduction of light output by simply constructing, improves reliability.
In addition, the organic EL units contact in a face with the main part, another in one embodiment of the present invention
One face is further packaged by second packaging film.
In addition, the main part is outer lens in one embodiment of the present invention, the substrate-side connects with the outer lens
Touching.
In addition, the main part is lamp body in one embodiment of the present invention, the packaging film side connects with the lamp body
Touching.
In addition, in one embodiment of the present invention, the heat of the coefficient of thermal expansion of the main part and second packaging film
The difference of expansion rate is less than or equal to 5 × 10- 5/K。
In addition, drawing surface side in one embodiment of the present invention in the light of the organic EL units, being configured with Light-modulating mirror.
In addition, surface side is drawn in the light of the organic EL units in one embodiment of the present invention, it is thin configured with shading
Film, the shading film have the lightproof area that light blocks and the transmission region for penetrating light.
The effect of invention
In the present invention, the reduction of light output can be inhibited by simply constructing by being capable of providing, and propose reliability
High lamps apparatus for vehicle.
Detailed description of the invention
Fig. 1 is the figure for indicating the lamps apparatus for vehicle 10 of the 1st embodiment, and Fig. 1 (a) indicates that lamps apparatus for vehicle 10 is whole
Schematic sectional view, Fig. 1 (b) are the schematic sectional views for amplifying organic EL units 13 and indicating.
Fig. 2 is the figure for indicating the lamps apparatus for vehicle 20 of the 2nd embodiment, and Fig. 2 (a) indicates that lamps apparatus for vehicle 20 is whole
Schematic sectional view, Fig. 2 (b) are the schematic sectional views for amplifying organic EL units 23 and indicating.
Fig. 3 is the figure for indicating the lamps apparatus for vehicle 30 of the 3rd embodiment, and Fig. 3 (a) is indicated outer light through Light-modulating mirror 38
The schematic diagram of the state of reflection, Fig. 3 (b) are to indicate to make the showing state that Light-modulating mirror 38 penetrates of the light from organic luminous layer 35
It is intended to.
Fig. 4 is the figure for indicating the lamps apparatus for vehicle 40 of the 4th embodiment, and Fig. 4 (a) is schematic sectional view, and Fig. 4 (b) is to show
Meaning top view.
Fig. 5 is the figure for indicating the lamps apparatus for vehicle 50 of the 5th embodiment, and Fig. 5 (a) is to indicate that lamps apparatus for vehicle is whole to show
Meaning cross-sectional view, Fig. 5 (b) are the schematic sectional views for amplifying organic EL units and indicating.
Fig. 6 is the schematic sectional view for indicating the lamps apparatus for vehicle 60 of the 6th embodiment.
Fig. 7 is the schematic diagram for indicating the organic EL units proposed in the past.
The explanation of label
10,20,30,40,50,60 ... lamps apparatus for vehicle
11,21,51,61 ... lamp body
12,22,54,62 ... outer lens
13,23,43,53,63 ... organic EL units
14,24,34,55,64 ... barrier substrate
15,25,35,56,65 ... organic luminous layer
16,18,26,28,36,57,66 ... packaging film
17,27,58,67 ... power supply wiring
37 ... light draw film
38 ... Light-modulating mirrors
44 ... transparent adhesives
45 ... light shielding parts
46 ... transparent membranes
47 ... opening portions
52 ... installation frames
59 ... packaging films
61a ... circuit receiving portion
69 ... circuit substrates
Specific embodiment
(the 1st embodiment)
In the following, referring to attached drawing, the embodiment of the present invention will be described in detail.To each shown in the drawings identical or
Equivalent structural element, component, processing mark same label, and appropriate the repetitive description thereof will be omitted.Fig. 1 indicates present embodiment
The figure of lamps apparatus for vehicle 10, Fig. 1 (a) are the schematic sectional views for indicating that lamps apparatus for vehicle 10 is whole, and Fig. 1 (b) is that organic EL is mono-
The schematic sectional view of member amplification and expression.As shown in Fig. 1 (a), lamps apparatus for vehicle 10 includes lamp body 11, outer lens 12 and organic
EL unit 13, organic EL units 13 are equipped on the bottom surface of lamp body 11.
Lamp body 11 is the framework part kept to each component of lamps apparatus for vehicle 10, and in inner bottom surface to organic EL
Unit 13 is accommodated, and outer lens 12 are provided in a manner of covering opening portion.In lamp body 11, being provided with will be from vehicle
It is transferred to internal connector portion, harness, internal wirings etc. with the electric power of lamps and lanterns 10 externally supplied, but saves sketch map herein
Show.In addition, lamp body 11 has the block for penetrating gas.
Outer lens 12 are the components that constitute of material by least penetrating a part of light, and with by the opening portion of lamp body 11
The mode of covering is divided to be arranged, periphery is fixed, and is the outside that the light from organic EL units 13 is led to lamps apparatus for vehicle 10
Optical component.As the material for constituting outer lens 12, glass, acrylic resin, epoxy resin, polycarbonate etc. are enumerated.
By combining lamp body 11 and outer lens 12, to constitute the main part in the present invention.Herein, it shows by lamp
It is provided only with the example of organic EL units 13 in the lamp house that body 11 and outer lens 12 are constituted, but installing frame can also be set in inside
Frame, comprising installation frame as main part.
Organic EL units 13 have supply electric current and carry out luminous organic EL layer, are flexible luminous components.Such as
Fruit supplies electric current to organic EL units 13, then organic EL layer carries out luminous and one from organic EL units 13 with defined wavelength
It draws in face.
As shown in Fig. 1 (b), in the lamps apparatus for vehicle 10 of present embodiment, organic EL units 13 include barrier substrate
14, organic luminous layer 15, packaging film 16 and power supply wiring 17 become the organic luminous layer 15 being arranged on barrier substrate 14
The construction being packaged by packaging film 16.About connect with organic luminous layer 15 and supply electric power transparent electrode, reflection
Electrode omits diagram.In addition, 16 side of packaging film of organic EL units 13 contacts with lamp body 11 and is equipped on main part, from
14 side of barrier substrate is covered a part of barrier substrate 14 and power supply wiring 17 by packaging film 18.
Barrier substrate 14 is formed by the material for penetrating the light issued from organic luminous layer 15, is to have to penetrate gas
Block substrate, use flexible resin.Transparent electrode (not shown) is formed in a face of barrier substrate 14
With organic luminous layer 15, side, power supply wiring 17 are electrically connected with transparent electrode and reflecting electrode at one end.
Organic luminous layer 15 is the luminescent layer being made of organic material, and has electron supplying layer, luminescent layer, cavity conveying
Layer, the electronics supplied from electron supplying layer and shine in luminescent layer and couples and issue again from the hole that hole transporting layer supplies
Defined light.In addition, it is saturating to be formed with ITO (Indium Tin Oxide) etc. between organic luminous layer 15 and barrier substrate 14
Prescribed electrode.In addition, be formed with the reflecting electrode being made of Al, Ag etc. between organic luminous layer 15 and packaging film 16, to from
The light that organic luminous layer 15 issues is reflected.
Packaging film 16 is formed on barrier substrate 14 in a manner of integrally covering organic luminous layer 15, is to prevent water
Divide, extraneous gas is invaded to the film of organic luminous layer 15, the first packaging film being equivalent in the present invention.Constitute packaging film 16
Material be not limited especially.
The external electrical connections of power supply wiring 17 and organic EL units 13 are matched for what is supplied electric power to organic EL units 13
Line component, and it is able to use for example flexible flexible printing wiring (FPC:Flexible Printed Circuit).For
One end of electrical wiring 17 is connect in lamp body 11 with from external wiring, the other end on barrier substrate 14 with reflecting electrode and
Transparent electrode connection.
Packaging film 18 is to be made of translucent material and cover the whole a part with power supply wiring 17 of barrier substrate 14
Lid, prevents moisture, extraneous gas from invading to the film of organic luminous layer 15, the second packaging film being equivalent in the present invention.Make
For packaging film 18, the film in film-form of the face of transparent membrane coated with translucency bonding agent can be used, it can also be with
Use the optics adhesive sheet (OCA:Optical Clear Adhesive) of not substrate.Packaging film 18 is by organic EL units 13
The whole covering of substrate 14, a part of the extraction electrode of organic luminous layer 15, power supply wiring 17 is covered and is encapsulated.
It is packaged the intrusion for preventing moisture to ACF interconnecting piece, power supply wiring 17 by packaging film 18 as a result, is able to suppress corruption
It loses and realizes long lifetime, improves reliability.
The material for constituting packaging film 18 is not exposed to restriction, but it is preferable to use the materials of coefficient of thermal expansion and composition lamp body 11
Close material.If the difference of packaging film 18 and the coefficient of thermal expansion of lamp body 11 is set as to be less than or equal to 5 × 10- 5/ K, then can
Enough prevent the caused fever that shines due to lamps apparatus for vehicle 10, the influence of extraneous gas and packaging film 18 from the stripping of lamp body 11
From.Thereby, it is possible to realize that the reliability of lamps apparatus for vehicle 10 improves.
In the lamps apparatus for vehicle 10 of present embodiment, if via power supply wiring 17 to the transparent electricity of organic EL units 13
Apply voltage between pole and reflecting electrode, then to organic luminous layer 15 inject electrons and holes and carry out shine couple again, it is organic
Luminescent layer 15 is whole to shine as light emitting region.The light issued from light emitting region is reflected by reflecting electrode, and will
Transparent electrode, barrier substrate 14, packaging film 18 and outer lens 12 penetrate, and lead to the outside of lamps apparatus for vehicle 10.
In the present embodiment, the packaging film 16 of organic EL units 13 is directly contacted with lamp body 11, thus with organic hair
Luminous associated fever at photosphere 15 is radiated from lamp body 11 well.Thereby, it is possible to mention the thermal diffusivity of organic EL units 13
Height realizes the raising of luminous efficiency and the raising of reliability.In addition, only passing through packaging film 18 to organic from 14 side of barrier substrate
EL unit 13 is packaged, therefore can be cut down components number and be simplified manufacturing process.Also, it is covered by packaging film 18
Until power supply wiring 17, therefore the dedicated package parts of power supply wiring 17 are not needed, components number can be cut down.Therefore, exist
In the lamps apparatus for vehicle 10 of present embodiment, the reduction of light output can be inhibited, make reliability by simply constructing
It improves.
(the 2nd embodiment)
Next, being illustrated using Fig. 2 to the 2nd embodiment of the invention.It is saved with the duplicate content of the 1st embodiment
Slightly illustrate.Fig. 2 is the figure for indicating the lamps apparatus for vehicle 20 of present embodiment, and Fig. 2 (a) is to indicate that lamps apparatus for vehicle 20 is whole to show
Meaning cross-sectional view, Fig. 2 (b) is the schematic sectional view for amplifying organic EL units 23 and indicating.Lamps apparatus for vehicle 20 shown in Fig. 2 (a)
Lamp body 21, outer lens 22 and organic EL units 23 are included, organic EL units 23 are equipped on the inner surface side of outer lens 22.This reality
The outer lens 22 for applying mode have the block for penetrating gas.
As shown in Fig. 2 (b), in the lamps apparatus for vehicle 20 of present embodiment, organic EL units 23 include barrier substrate
24, organic luminous layer 25, packaging film 26 and power supply wiring 27 become the organic luminous layer 25 being arranged on barrier substrate 24
The construction being packaged by packaging film 26.In addition, 24 side of barrier substrate of organic EL units 23 contacted with outer lens 22 and
It is equipped on main part, passes through packaging film 28 for packaging film 26, organic luminous layer 25, barrier substrate 24 from 26 side of packaging film
And a part covering of power supply wiring 27.Herein, packaging film 26 is equivalent to the first packaging film in the present invention, thinner package
Film 28 is equivalent to the second packaging film in the present invention.
Packaging film 28 by the extraction electrode of organic luminous layer 25, supplies the whole covering of the substrate 24 of organic EL units 23
A part of electrical wiring 27 is covered and is encapsulated.As a result, by packaging film 28 to ACF interconnecting piece, power supply wiring 27 into
Row encapsulates and prevents the intrusion of moisture, is able to suppress corrosion and realizes long lifetime, improves reliability.
The restriction that is not exposed to of packaging film 28 is constituted, but it is preferable to use the materials of coefficient of thermal expansion and composition outer lens 22 to connect
Close material.If the difference of packaging film 28 and the coefficient of thermal expansion of outer lens 22 is set as to be less than or equal to 5 × 10- 5/ K, then can
Enough prevent the fever due to caused by the shining of lamps apparatus for vehicle 20, the influence of extraneous gas and packaging film 28 from outer lens 22
Removing.Thereby, it is possible to realize that the reliability of lamps apparatus for vehicle 20 improves.
In the lamps apparatus for vehicle 20 of present embodiment, if via power supply wiring 27 to the transparent of organic EL units 23
Apply voltage between electrode and reflecting electrode, then to organic luminous layer 25 inject electrons and holes and carry out shine couple again, have
25 entirety of machine luminescent layer carries out luminous as light emitting region.The light issued from light emitting region, is reflected by reflecting electrode, and
And penetrate transparent electrode, barrier substrate 24 and outer lens 22, lead to the outside of lamps apparatus for vehicle 20.
In the present embodiment, the barrier substrate 24 of organic EL units 23 is directly contacted with outer lens 22, thus with it is organic
Luminous associated fever at luminescent layer 25 is radiated from outer lens 22 well.Thereby, it is possible to make organic EL units 23
Thermal diffusivity improves, and realizes the raising of luminous efficiency and the raising of reliability.In addition, only passing through packaging film from 26 side of packaging film
28 pairs of organic EL units 23 are packaged, therefore can be cut down components number and be simplified manufacturing process.Also, utilize thinner package
Film 28 covers until power supply wiring 27, therefore does not need the dedicated package parts of power supply wiring 27, can cut down components number.
Therefore, in the lamps apparatus for vehicle of present embodiment 20, also can by simply construct the reduction of light output is inhibited,
Improve reliability.
(the 3rd embodiment)
Next, being illustrated using Fig. 3 to the 3rd embodiment of the invention.It is saved with the duplicate content of the 1st embodiment
Slightly illustrate.Fig. 3 is the figure for indicating the lamps apparatus for vehicle 30 of present embodiment, and Fig. 3 (a) is to indicate by Light-modulating mirror 38 that outer light is anti-
The schematic diagram for the state penetrated, Fig. 3 (b) are the signals for indicating the state for penetrating the light from organic luminous layer 35 by Light-modulating mirror 38
Figure.In the present embodiment, about the lamp body of the main part as lamps apparatus for vehicle 30, outer lens, the second packaging film, power supply
The structure of wiring, it is identical as the 1st embodiment or the 2nd embodiment, it omits the description.
In the lamps apparatus for vehicle 30 of present embodiment, organic EL units also include barrier substrate 34, organic luminous layer 35
With packaging film 36, becomes and the organic luminous layer 35 being arranged on barrier substrate 34 is passed through into the structure that packaging film 36 is packaged
It makes.In addition, drawing surface side as shown in Fig. 3 (a) (b) in the light of barrier substrate 34 and being pasted with light extraction film 37, drawn in light thin
The light of film 37 draws surface side and is configured with Light-modulating mirror 38.
It is the optical thin film being made of translucent material that light, which draws film 37, passes through refractive index adjustment, face roughening etc. pair
Reflection by the light of inside transmission in the interface with air layer inhibits, and improves light ejection efficiency.Light-modulating mirror 38
Be by apply voltage can reflection to light and through the optical component for carrying out selection, be able to use well known component.
In the lamps apparatus for vehicle 30 of present embodiment, in the case where Light-modulating mirror 38 is set as mirror status, such as Fig. 3
(a) shown in, the light injected from outside is reflected, in the case where being set as pellucidity, as shown in Fig. 3 (b), by organic hair
Shining to external irradiation in photosphere 35.As a result, under the non-luminous state of organic luminous layer 35, Light-modulating mirror 38 is set as mirror surface
State can be identified as well thus without the color for the non-lighting state for recognizing organic luminous layer 35 from external view
Carry out the lamps apparatus for vehicle 30 of mirror-reflection.In addition, also can be hidden by the blackspot generated in organic luminous layer 35 and make beauty
Property improve.In addition, the light lead surface in barrier substrate 34 is pasted with light extraction film 37, therefore light ejection efficiency and hair can be made
Light efficiency improves, and reduces the dependence of angle of brightness.
In the present embodiment, by contacting a face of organic EL units directly with main part, to can also incite somebody to action
It radiates well from main part with the luminous associated fever in organic luminous layer.In addition, only passing through the second packaging film
Organic EL units are packaged from side, therefore components number can be cut down and simplify manufacturing process.Therefore, in this implementation
In the lamps apparatus for vehicle 30 of mode, also the reduction of light output can be inhibited, improve reliability by simply constructing.
(the 4th embodiment)
Next, being illustrated using Fig. 4 to the 4th embodiment of the invention.It is saved with the duplicate content of the 1st embodiment
Slightly illustrate.Fig. 4 is the figure for indicating the lamps apparatus for vehicle 40 of present embodiment, and Fig. 4 (a) is schematic sectional view, and Fig. 4 (b) is signal
Top view.In the present embodiment, about the lamp body of the main part as lamps apparatus for vehicle 40, outer lens, power supply wiring knot
Structure, it is identical as the 1st embodiment or the 2nd embodiment, it omits the description.The lamps apparatus for vehicle 40 of present embodiment has included
Machine EL unit 43, transparent adhesive 44, light shielding part 45 and transparent membrane 46.The structure of organic EL units 43 and the 1st embodiment
It is identical.
Transparent adhesive 44 is the master (not shown) for 43 entirety of organic EL units being covered and being packaged in lamps apparatus for vehicle 40
Body portion, and the component that transparent membrane 46 and organic EL units 43 are bonded.Light shielding part 45 is in a face of transparent membrane 46
The component for forming and being formed the lightproof area blocked to light is enumerated with the ink etc. of defined flat shape printing.Herein,
It shows and forms the example of light shielding part 45 in 44 side of transparent adhesive of pasting of transparent membrane 46, but be also configured to light shielding part 45
Be formed in transparent membrane 46 with 44 opposite side of transparent adhesive.Transparent membrane 46 is the film-form being made of translucent material
Component, and light shielding part 45 is formed in a surface pattern.In the present embodiment, transparent adhesive 44, light shielding part 45 and transparent
The combination of film 46 is equivalent to the second packaging film in the present invention.
As shown in Fig. 4 (b), the region for not forming light shielding part 45 is formed with opening portion 47, and the region of opening portion 47 becomes
The transmission region for penetrating light.If supplying electric current to lamps apparatus for vehicle 40, organic EL units 43 shine, then will not light from formation
There is the lightproof area of light shielding part 45 to be brought out, and light is only brought out from the transmission region for being formed with opening portion 47.Therefore, only pass through
The patterning of light shielding part 45 can change the luminous pattern of lamps apparatus for vehicle 40, can not individually set organic EL units 43
It counts and standardized unit is used for various uses.
In addition, organic EL units 43 are covered entirely through the transparent membrane 46 that patterning is formed with light shielding part 45,
Therefore the non-luminescent part such as power supply wiring, encapsulation part can be hidden, aesthetics when non-lighting can be improved.In addition, if
The tone of transparent membrane 46 and the tone of the organic luminous layer of organic EL units 43 is set to match, then in lighting and when non-lighting
It can be improved the whole body-sensing of lamps apparatus for vehicle 40.
Also, if be mixed into the inside of transparent membrane 46, transparent adhesive 44 by the material of ultraviolet radiation absorption, to from
The outside of lamps apparatus for vehicle 40 is inhibited to the ultraviolet light for reaching organic EL units 43, can prevent organic EL units 43 by
It is UV-induced deterioration and improve the service life.
In the present embodiment, by contacting a face of organic EL units 43 directly with main part, to also can
It will radiate well from main part with the luminous associated fever in organic luminous layer.In addition, only passing through the second thinner package
Film is packaged organic EL units 43 from side, therefore can cut down components number and simplify manufacturing process.Therefore, at this
In the lamps apparatus for vehicle 40 of embodiment, also the reduction of light output can be inhibited, propose reliability by simply constructing
It is high.
(the 5th embodiment)
Next, being illustrated using Fig. 5 to the 5th embodiment of the invention.It is saved with the duplicate content of the 1st embodiment
Slightly illustrate.Fig. 5 is the figure for indicating the lamps apparatus for vehicle 50 of present embodiment, and Fig. 5 (a) is the signal for indicating lamps apparatus for vehicle entirety
Cross-sectional view, Fig. 5 (b) are the schematic sectional views for amplifying organic EL units and indicating.Lamps apparatus for vehicle 50 includes lamp body 51, peace
Frame up frame 52, organic EL units 53 and outer lens 54.
As shown in Fig. 5 (a), lamp body 51 is the framework accommodated to installation frame 52 and organic EL units 53.Installing frame
Frame 52 is mounted in the bottom surface of lamp body 51 and takes to the component that organic EL units 53 are kept, and to organic EL units 53
The face of load shape in curved surface.In addition, installation frame 52 has the block for penetrating gas.Organic EL units 53, which have, to be supplied
The organic EL layer luminous to electric current is flexible luminous component.Outer lens 54 are to cover the opening portion of lamp body 51
Mode install, the light from organic EL units 53 is led to the optical component of the outside of lamps apparatus for vehicle.
As shown in Fig. 5 (b), organic EL units 53 include barrier substrate 55, have flexible and translucency；Organic light emission
Layer 56, is formed in the surface of barrier substrate 55；Packaging film 57 is packaged organic luminous layer 56；And power supply is matched
Line 58 supplies electric power outside organic EL units 53 to organic luminous layer 56.It is supplied about being connect with organic luminous layer 56
The transparent electrode of electric power, reflecting electrode, illustration omitted.
In addition, organic EL units 53 are with by the entirety and power supply of barrier substrate 55, organic luminous layer 56 and packaging film 57
The mode of a part covering of wiring 58, is encapsulated from two sides by packaging film 59.As shown in Fig. 5 (b), organic EL is mono-
Member 53 is that 57 side of packaging film contacts with installation frame 52 and carried, and will be shielded from 55 side of barrier substrate by packaging film 57
Hinder a part covering of substrate 55 and power supply wiring 58.Herein, packaging film 57 is equivalent to the first thinner package in the present invention
Film, packaging film 59 are equivalent to the second packaging film in the present invention.
Packaging film 59 by the extraction electrode of organic luminous layer 56, supplies the whole covering of the substrate 55 of organic EL units 53
A part of electrical wiring 58 is covered and is packaged.ACF interconnecting piece, power supply wiring 58 are carried out by packaging film 59 as a result,
The intrusion of moisture is encapsulated and prevented, corrosion is able to suppress and realizes long lifetime, improves reliability.
Using the lamps apparatus for vehicle 50 of organic EL units 53 as described above, organic luminous layer 56 is passed through into the shapes such as vapor deposition
At, therefore can realize that face shines by very thin film.In addition, being used in organic EL units 53 as barrier substrate 55
Flexible resin substrate etc., to realize lightweight, and the curve form of installation frame 52 can be followed and with curved surface
Shape shines.
(the 6th embodiment)
Next, being illustrated using Fig. 6 to the 6th embodiment of the invention.It is saved with the duplicate content of the 1st embodiment
Slightly illustrate.Fig. 6 is the schematic sectional view for indicating the lamps apparatus for vehicle 60 of present embodiment.Lamps apparatus for vehicle 60 include lamp body 61,
Outer lens 62, organic EL units 63 and circuit substrate 69.In a same manner as in the first embodiment, organic EL units 63 include barrier base
Plate 64；Organic luminous layer 65 is formed on the surface of barrier substrate 64；Packaging film 66 seals organic luminous layer 65
Dress；And power supply wiring 67, organic luminous layer 65 is supplied electric power outside organic EL units 63.
As shown in fig. 6, in lamps apparatus for vehicle 60, the barrier substrate 64 as light lead direction of organic EL units 63 with
The inner surface of outer lens 62 is contacted and is configured, and packaging film 66 is contiguously configured with lamp body 61, passes through lamp body 61 and outer lens 62
Organic EL units 63 are clamped.It is preferred that organic EL units 63 and lamp body 61 are fixed using bonding agent etc..In addition, lamp body 61
The recess portion that space is formed between packaging film 66 is formed as circuit receiving portion 61a, accommodates circuit in circuit receiving portion 61a
Substrate 69 is simultaneously fixed.Although the illustration omitted in Fig. 6, lamp body 61 and outer lens 62 are near periphery such as passing through phase welding
Mutually contiguously fix.
Circuit substrate 69 is the substrate carried to the luminous circuit controlled of organic EL units 63, is able to use usually
Printed wiring board or flexible base board etc..Circuit substrate 69 by the outside of wiring (not shown) and lamps apparatus for vehicle 60 with
And organic EL units 63 are electrically connected, and by being externally supplied electric power and signal, are thus controlled to the luminous of organic EL units 63
System.In fig. 6, it is illustrated that organic EL units 63 are connect with power supply wiring 67, it is externally supplied the example of electric power and signal, but can also
To be that power supply wiring 67 is connect with circuit substrate 69, supplied electric power by other wirings from circuit substrate 69 to organic EL units 63
And signal.
In fig. 6, it is illustrated that the structure example for being clipped organic EL units 63 by lamp body 61 and outer lens 62, but to organic EL
The part that unit 63 and circuit substrate 69 are fixed is not limited to constitute the lamp body 61 of the shape of lamps apparatus for vehicle 60.Example
Such as, circuit receiving portion 61a can also be formed in the shell or installation frame for keeping each portion in the inside of lamps apparatus for vehicle 60,
Circuit substrate 69 is contained in circuit receiving portion 61a, pastes organic EL units 63.
Organic EL units 63 are pasted on lamp body 61 in addition, though showing, the example for contacting it with outer lens 62, but
Can be separates it with certain one.For example, both organic EL units 63 can be pasted in outer lens 62, in lamp body 61 and organic EL
Gap is set between unit 63, organic EL units 63 can also be pasted in lamp body 61, outer lens 62 and organic EL units 63 it
Between gap is set.
As described above, accommodating circuit in the circuit receiving portion 61a of lamp body 61 in the lamps apparatus for vehicle 60 of present embodiment
Substrate 69 clips organic EL units 63 by lamp body 61 and outer lens 62.As a result, without separately preparing for fixing circuit substrate
69 bracket or extension can cut down components number, realize the slimming of lamps apparatus for vehicle 60.In this implementation of above-mentioned construction
In the lamps apparatus for vehicle 60 of mode, the interval between lamp body 61 and outer lens 62 can be decreased to the thickness of organic EL units 63
Degree can also be equipped on grid or decoration etc. than relatively thin body part.In addition, since there is no to 69 He of circuit substrate
The component blocked between organic EL units 63, so the wiring of the wiring of the two connection is become easy.
The present invention is not limited to above-mentioned each embodiment, the range shown in technical solution is able to carry out various changes
More, it for embodiment obtained from keeping the different disclosed technological means of embodiment and difference appropriately combined, is also contained in
Technical scope of the invention.
Claims (7)
1. a kind of lamps apparatus for vehicle is equipped with organic EL units in main part,
The lamps apparatus for vehicle is characterized in that,
The organic EL units are the constructions that the organic luminous layer that will be disposed on the substrate is packaged by the first packaging film,
The substrate is covered entirely through the second packaging film and is encapsulated.
2. lamps apparatus for vehicle according to claim 1, which is characterized in that
The organic EL units contact in a face with the main part, pass through second packaging film into one in another face
Step is packed.
3. lamps apparatus for vehicle according to claim 1 or 2, which is characterized in that
The main part is outer lens, and the substrate-side is contacted with the outer lens.
4. lamps apparatus for vehicle according to claim 1 or 2, which is characterized in that
The main part is lamp body, and the packaging film side is contacted with the lamp body.
5. lamps apparatus for vehicle according to any one of claim 1 to 4, which is characterized in that
The difference of the coefficient of thermal expansion of the coefficient of thermal expansion of the main part and second packaging film is less than or equal to 5 × 10- 5/K。
6. lamps apparatus for vehicle according to any one of claim 1 to 5, which is characterized in that
Surface side is drawn in the light of the organic EL units, is configured with Light-modulating mirror.
7. lamps apparatus for vehicle according to any one of claim 1 to 6, which is characterized in that
Surface side is drawn in the light of the organic EL units, is configured with shading film, which has the shading for blocking light
Region and the transmission region for penetrating light.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017160228 | 2017-08-23 | ||
| JP2017-160228 | 2017-08-23 | ||
| JP2018-135856 | 2018-07-19 | ||
| JP2018135856A JP7164982B2 (en) | 2017-08-23 | 2018-07-19 | vehicle lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109424925A true CN109424925A (en) | 2019-03-05 |
Family
ID=65513754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916639.2A Pending CN109424925A (en) | 2017-08-23 | 2018-08-13 | Lamps apparatus for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109424925A (en) |
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Application publication date: 20190305 |