CN110107861A - Vehicular illumination device - Google Patents
Vehicular illumination device Download PDFInfo
- Publication number
- CN110107861A CN110107861A CN201910528486.9A CN201910528486A CN110107861A CN 110107861 A CN110107861 A CN 110107861A CN 201910528486 A CN201910528486 A CN 201910528486A CN 110107861 A CN110107861 A CN 110107861A
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- Prior art keywords
- source
- light
- flexible circuit
- array
- circuit board
- Prior art date
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- 238000005286 illumination Methods 0.000 title claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000000741 silica gel Substances 0.000 claims abstract description 71
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 71
- 238000004806 packaging method and process Methods 0.000 claims abstract description 65
- 238000000149 argon plasma sintering Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000004020 luminiscence type Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 21
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000005538 encapsulation Methods 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
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- 239000003086 colorant Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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Classifications
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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
- F21S43/10—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]
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention relates to car lighting technical fields, disclose a kind of Vehicular illumination device, the Vehicular illumination device includes flexible circuit board, array of source, silica gel packaging shell and integrated control module, wherein, the array of source is integrated on an end face of the flexible circuit board, the silica gel packaging shell is connect with the end face of the flexible circuit board, for encapsulating the array of source, the integrated control module is electrically connected with the flexible circuit board, for carrying out light on and off control by array of source described in ordered pair when setting.Since the substrate of Vehicular illumination device is flexible circuit board, the flexible circuit board matter is soft, it is bent, so that the shape of lighting device is changeable, the variation in moulding of car light is adapted to, the illuminating effect of array of source is uniform, simultaneously, integrated control module may be implemented the dynamic light on and off of continuous-flow type, enrich the visual effect of car light for controlling the jump that array of source chronologically carries out light on and off state.
Description
Technical field
The present invention relates to car lighting fields, and in particular to a kind of Vehicular illumination device.
Background technique
Important exterior trim device of the car light as vehicle, it is desirable that take into account fashion appearance and modeling and good illuminating effect,
In the design process of car light, the requirement to vehicle light shape and illuminating effect is also higher and higher.Patent application CN108571701A is public
A kind of car light guiding module is opened comprising at least one light pipe is equipped with light source at the entering light face of light pipe, if light pipe
Side wall be it is smooth, the light that light source issues will inject and be totally reflected in light pipe from an end face of light pipe after from another
One end face is projected, and in order to allow the side wall of light pipe to become light-emitting surface, generally requires the design dentation decorative pattern on the side wall of light pipe,
Since reflection angle of the light on dentation decorative pattern is unsatisfactory for the cirtical angle of total reflection degree of light, light can go out from the side wall of light pipe
It penetrates, forms the luminous illuminating effect of the side wall of light pipe.Although above-mentioned car light light guide can obtain appearance in line strip
Narrow light belt, but the luminance of light pipe can be as the light on and off of end face light source be bright simultaneously or go out, and visual effect is single, also can not be real
Current sequence is lighted or the light on and off control effect of other dynamic-forms.Also, due to being provided with dentation on the light-emitting surface of light pipe
Decorative pattern, can be because dentation decorative pattern be different to the refraction angle of light when the light-emitting surface of light pipe shines, and lead to light-emitting surface lights effect
Fruit is uneven.
Therefore, existing Vehicular illumination device cannot achieve timing light or the light on and off of other dynamic-forms control effect
Fruit is not able to satisfy to car light in terms of moulding and illuminating effect also with the non-uniform defect of illumination effect of light emitting region
Diversification, individual demand.
Summary of the invention
The purpose of the invention is to overcome existing Vehicular illumination device to cannot achieve timing to light or other dynamic shapes
The control effect of formula light on and off and the non-uniform problem of the illumination effect of light emitting region.
To achieve the goals above, the present invention provides a kind of Vehicular illumination device, the Vehicular illumination device includes soft
Property circuit board, array of source, silica gel packaging shell and integrated control module；
The array of source is integrated on an end face of the flexible circuit board；
The silica gel packaging shell is connect with the end face of the flexible circuit board, for encapsulating the array of source；
The integrated control module is electrically connected with the flexible circuit board, for by setting when ordered pair described in array of source into
Row light on and off control.
Preferably, several points light source lines up at least one column along the extending direction of the flexible circuit board at regular intervals,
To constitute the array of source；
The array of source includes independent point light source and by the concatenated point light source groups of multiple point light sources；
First control signal and driving of the integrated control module for the chronologically light on and off of point light source described in output driving
The second control signal of the point light source groups chronologically light on and off.
Preferably, when the point light source forms a line along the extending direction of the flexible circuit board, the silica gel packaging shell
Cross section be rectangle or peak shape；
When the point light source lines up two column or multiple row along the extending direction of the flexible circuit board, the silica gel packaging shell
Cross section is rectangle or continuous peak shape.
Preferably, the maximum distance between the centre of luminescence of each adjacent two point light source is 10~15 millimeters.
Preferably, the point light source is Light-emitting diode LED or luminescence chip；
The point light source is monochromatic source or polychromatic source, for realizing a variety of light distributing functions.
Preferably, evenly dispersed in the silica gel packaging shell to have light scattering agent.
Preferably, the open end of the silica gel packaging shell be fixed on in the flexible circuit plate end face, and and flexible electrical
Road plate end face surrounds a cavity；
Bright Source Protection cover is provided in the cavity.
Preferably, the flexible circuit board of the array of source is integrated with by silica gel integral packaging, so that the silica gel
It is very close to each other between encapsulating shell and the array of source.
Preferably, the Vehicular illumination device further includes light guide, and the light guide is mounted on the hair of the array of source
Light side；
The light guide zone of the light guide includes incidence surface and light-emitting surface, the settable dermatoglyph of the incidence surface of the light guide zone or painting
If light scattering layer.
Preferably, the Vehicular illumination device further includes cooling stand, and the cooling stand is arranged in the flexible circuit
Plate back on the other end of the array of source.
Through the above technical solutions, the substrate due to Vehicular illumination device is flexible circuit board, the flexible circuit board matter is soft,
It is bent, so that the shape of lighting device is changeable, the variation in moulding of car light is adapted to, the illuminating effect of array of source is uniform, together
When, for integrated control module for controlling the jump that array of source chronologically carries out light on and off state, flowing water is may be implemented in array of source
The dynamic light on and off of formula, enrich the visual effect of car light.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Vehicular illumination device；
Fig. 2 is the cross-sectional view according to the Vehicular illumination device of embodiment 1；
Fig. 3 is the cross-sectional view of the Vehicular illumination device in 1 one preferred embodiments of embodiment；
Fig. 4 is the cross-sectional view according to the Vehicular illumination device of embodiment 2；
Fig. 5 is the cross-sectional view of the Vehicular illumination device in 2 one preferred embodiments of embodiment；
Fig. 6 is the cross-sectional view according to the Vehicular illumination device of embodiment 3；
Fig. 7 is the cross-sectional view according to the Vehicular illumination device of embodiment 4；
Description of symbols
1- flexible circuit board；2- array of source；3- silica gel packaging shell；4- light guide；5-LED light source；6- Bright Source Protection cover.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of Vehicular illumination device, as shown in Figure 1, the Vehicular illumination device include flexible circuit board 1,
Array of source 2, silica gel packaging shell 3 and integrated control module.
Wherein, array of source 2 is integrated on an end face of flexible circuit board 1.Light source battle array is installed in the flexible circuit board 1
Silica gel packaging shell 3 is covered on the end face of column 2, silica gel packaging shell 3 is connect with the end face of flexible circuit board 1, is used for packaged light source battle array
Column 2.Integrated control module is electrically connected with flexible circuit board 1, for carrying out light on and off control by array of source 2 described in ordered pair when setting
System.
For animi resin wiring board or metallic circuit, flexible circuit board 1 is small and flexible due to light-weight, thickness
Property it is good, can suitably change shape, therefore Installation Flexibility is high.Array of source 2 in the embodiment of the present invention is integrated in flexible circuit
When on plate 1, have many advantages, such as wiring density height, space less-restrictive.Moreover, because flexible circuit board 1 and silica gel packaging shell 3 are all
With bendable folding endurance, which is neatly bent according to the demand of vehicle light shape, it is easy for installation,
It is adaptable.
When the shape of flexible circuit board 1 is with the extension of band-like trend, according to a preferred embodiment of the present invention, if
Dry point light source lines up at least one column along the extending direction of flexible circuit board 1 at regular intervals, to constitute the array of source 2.
In practical applications, point light source is integrated on flexible circuit board 1 in array-like, then by the entirety after the encapsulation of silica gel packaging shell 3
Structure is known as light belt.
In the present embodiment, including independent point light source and by the concatenated point light source of multiple point light sources in array of source 2
Group.Integrated control module is used to carry out light on and off control, the control of integrated control module output by array of source 2 described in ordered pair when setting
Signal processed includes for driving the point light source chronologically first control signal of light on and off and for driving point light source groups chronologically light on and off
Second control signal.Entire array of source 2 is made of multiple point light sources and multiple point light source groups, each point light source and point light source
Group can independently carry out bright, conversion of going out, by the control of integrated control module, the effect that timing may be implemented, dynamically light.
Under the control of integrated control module, the mode of the chronologically light on and off of array of source 2 includes but is not limited to: any one
Or multiple independent point light source chronologically light on and off, or any one or more groups of concatenated point light source groups chronologically light on and off, and
From one end of array of source 2 to the other end, successively light on and off form flowing water effect.Since flexible circuit board 1 is through 3 envelope of silica gel packaging shell
The light belt shape obtained after dress is long narrow, can make the vehicle light shape with flexible assembly line type, when integrated control module on time
Sequence drive array of source 2 from one end to the other side successively light on and off when, be formed dynamic flowing water lights effect.
In practical applications, the center spacing of two neighboring point light source is generally 2~5 millimeters, due to the spacing mistake of light source
It is easy to cause uniformity of luminance to be deteriorated greatly, therefore, according to a preferred embodiment of the present invention, each adjacent two point light source
Maximum distance is 10~15 millimeters between the centre of luminescence.
According to a preferred embodiment of the present invention, the point light source in array of source 2 can for Light-emitting diode LED or
Luminescence chip.The point light source is monochromatic source or polychromatic source, for realizing a variety of light distributing functions.Monochromatic source only sends out face a kind of
The light of color transmits job information by its light on and off state；Polychromatic source is the compound point light source of polychrome or includes at least two
The composite light source of a monochromatic source, the polychromatic source transmit job information by the conversion of its light on and off state or luminescent color.
By taking double-colored light source as an example, two or more can be realized using dual-colored LED or dual color light emitting chip in light belt
Light distributing function it is compound.The double-colored light source, which can be, encapsulates a dual color light emitting chip or dual-colored LED on circuit boards, or
Be by the different monochromatic LED individual packages of two luminescent colors on circuit boards, such as in two separate ranks by two different colors of LED
It is mounted on flexible circuit board 1, the LED color of each column is identical, is packaged into a light belt；Alternatively, by two different colors of LED
It forms a line spaced reciprocally.It is compound using yellow light sources and white light source progress in same light belt in car light application, point
Not Shi Xian driving lamp, the function of front position lamp and front directional between daytime, or carried out using yellow light sources and red light source it is compound,
The function of rear taillight (i.e. parking light), Brake lamp (i.e. brake lamp) and rear directional is realized respectively.
Since silica gel is that a kind of electric insulating quality is good, high temperature resistant, material corrosion-resistant, thermal diffusivity is good and soft, silicon
When glue encapsulating shell 3 encapsulates flexible circuit board 1 and array of source 2, all there is good guarantor to flexible circuit board 1 and array of source 2
Shield effect.It is evenly dispersed in silica gel packaging shell 3 to have light scattering agent as a kind of preferred embodiment of the present invention.Preferably, should
Light scattering agent can be the combination for including one or more of barium sulfate, calcium carbonate, silica and organosilicon.Work as silicon
When the inorganic nanoparticles such as barium sulfate, calcium carbonate and silica being added in glue encapsulating shell 3, light occurs on the surface of molecule
Repeatedly refraction realizes that light diffusion has the function that even light；When organosilicon light diffusing agent is added in silica gel packaging shell 3, due to base
The refractive index of material and organosilicon microballon is different, by multiple light refraction, also can achieve soft light effect, and optical energy loss compared with
It is few.Organosilicon light diffusing agent has light diffuser efficiency height and matrix resin compatibility is good, dispersed and heat resistance is good, additive amount
The advantages that low, translucency and even photosensitiveness balance.
In the present embodiment, as the material of silica gel packaging shell 3, work as light source for doped with the transparent silica gel of light scattering agent
When the light of sending passes through the silica gel packaging shell 3, since the refractive index difference of light scattering agent and silica gel reflects light, change
The travelling route of light, expands spread scope, even light can be realized, and since adjacent the distance between two point light sources do not surpass
Cross 15 millimeters, across silica gel packaging shell 3 light from be all in terms of all directions in the continuous and uniform namely present invention illumination dress
The light-emitting surface illumination effect set is uniform.
In practical applications, the flexible circuit board 1 of array of source 2 is integrated with when being packaged, and at least there are two types of encapsulation
Mode, including separable assembled and integral packaging.
For separable assembled, i.e., the arrangement mode according to array of source 2 on flexible circuit board 1 designs corresponding silica gel envelope
The model for filling shell 3 carries out separately machined, the standard component of acquisition silica gel packaging shell 3 using the model to silica gel packaging shell 3, then will
The standard component of the silica gel packaging shell 3 is fitted together with the flexible circuit board 1 for being integrated with array of source 2.Added by above-mentioned fission
The method that work assembles again is conducive to batch, the large-scale production of silica gel packaging shell 3, meanwhile, when silica gel packaging shell 3 processes bad
The flexible circuit board 1 for carrying light source will not be scrapped, encapsulation fault is can avoid, reduces cost.
In silica gel packaging 3 independent machine-shaping of shell, with open end, the open end of silica gel packaging shell 3 is fixed on
On 1 end face of flexible circuit board, so that silica gel packaging shell 3 and flexible circuit board 1 be fitted together, meanwhile, silica gel packaging shell 3 with
1 end face of flexible circuit board surrounds a cavity.Alternatively, can also be mechanically by silica gel packaging shell 3 and 1 group of flexible circuit board
It is fitted together.The cavity that a kind of preferred embodiment according to the present invention, silica gel packaging shell 3 and 1 end face of flexible circuit board surround
The interior protective layer that array of source 2 can also be set.
Another preferred embodiment according to the present invention, the flexible circuit board 1 for being integrated with array of source 2 pass through silica gel one
Body encapsulation, so that very close to each other between silica gel packaging shell 3 and array of source 2.Since the machining accuracy being integrally machined is high, can reduce
Rigging error between silica gel packaging shell 3 and flexible circuit board 1.
Several points light source is arranged according to certain being spaced on flexible circuit board 1 in array in the present invention, if when
When a dry LED forms a line along the extending direction of flexible circuit board 1, the cross section of silica gel packaging shell 3 can be rectangle, triangle
Or peak shape；When several LED line up two column or multiple row along the extending direction of flexible circuit board 1, the cross section of silica gel packaging shell 3
It can be rectangle or continuous peak shape.
Further, Vehicular illumination device further includes light guide 4, which is mounted on the emission side of array of source 2.
The light guide zone of light guide 4 includes incidence surface and light-emitting surface, wherein the incidence surface of light guide 4 be light guide 4 on array of source 2
Closer one side, light-emitting surface be light guide 4 on the farther away one side of array of source 2.The incidence surface of light guide 4 and prolonging for light belt
It is substantially parallel to stretch direction, and incidence surface is usually relatively narrow, for receiving the light along light belt vertically propagating.One according to the present invention
Preferred embodiment, the settable dermatoglyph of the incidence surface of light guide 4, guide-lighting tooth or is coated with light scattering layer.When the light that light source issues
When entering the incidence surface of light guide 4 after silica gel packaging shell 3, dermatoglyph, guide-lighting tooth or light scattering layer reflect light,
Thus continuous, uniform light-out effect can be observed from each angle on the light-emitting surface of light guide 4.In the present invention, pass through
Light scattering agent or the incidence surface setting dermatoglyph in light guide 4, guide-lighting tooth are added in silica gel packaging shell 3 or are coated with light scattering
Layer, for being scattered to light, achievees the purpose that even light, above-mentioned even smooth measure selects one in practical application.
Further, Vehicular illumination device further includes cooling stand, the cooling stand be arranged in flexible circuit board 1 back to
On the other end of the array of source 2, cooling stand is used for flexible circuit board 1 and the LED being mounted on flexible circuit board 1
It radiates.
Below the shape to the silica gel packaging shell 3 under the arrangement mode of array of source and different arrangement mode and effect into
Row description.
Embodiment 1
As shown in Fig. 2, when several LED light sources 5 form a line on flexible circuit board 1 according to certain being spaced in, silicon
The cross section of glue encapsulating shell 3 is rectangle.The transparent surface of silica gel packaging shell 3 includes extending perpendicularly outward from 1 end face of flexible circuit board
Plane, and the plane of 1 end face of flexible circuit board is connect and is parallel to the vertical plane, that is, silica gel packaging shell 3
Transparent surface is planar structure, and the transparent surface of planar structure has disperse function to light, expands illumination zone, but hang down along light belt
The light of histogram to propagation is less, and the light for entering the incidence surface of light guide 4 is less, and luminous efficiency is lower.
In the present embodiment, flexible circuit board 1 can be by silica gel integral packaging, so that silica gel packaging shell 3 and LED light source
It is very close to each other between 5.Alternatively, according to embodiment 1 preferred embodiment, when silica gel packaging shell 3 and 1 group of flexible circuit board
When being fitted together, as shown in figure 3, it is provided with Bright Source Protection cover 6 in the cavity that silica gel packaging shell 3 and flexible circuit board 1 surround, it should
Bright Source Protection cover 6 is protected between LED light source 5 and silica gel packaging shell 3 for providing buffering to LED light source 5 in light belt bending
Shield.Simultaneously as the light belt being assembled into still has flexibility characteristics, which should also use material flexible, including saturating
Bright silica gel, resin etc..
Embodiment 2
As shown in figure 4, when several LED light sources 5 form a line on flexible circuit board 1 according to certain being spaced in, silicon
The cross section of glue encapsulating shell 3 is peak shape, and the transparent surface of silica gel packaging shell 3 is the arc outwardly protruded from 1 end face of flexible circuit board
A crest structure is integrally formed in face, the arcwall face, for being sealed to LED light source 5.The transparent surface of arc has light
Convergence effect, the light that LED light source 5 issues is converged along the vertical direction of light belt extending direction, so that more light enter
To the incidence surface of light guide 4, to improve illumination efficiency.Meanwhile the transparent surface of arc does not influence along light belt tendency tangent line side
To light distribution, so the problem of not will cause non-uniform light.
In the present embodiment, flexible circuit board 1 can be by silica gel integral packaging, so that silica gel packaging shell 3 and LED light source
It is very close to each other between 5.Alternatively, according to embodiment 2 preferred embodiment, as shown in figure 5, silica gel packaging shell 3 with it is soft
It is provided with Bright Source Protection cover 6 in the cavity that property circuit board 1 surrounds, which is located at LED light source 5 and silica gel packaging shell 3
Between, for providing buffer protection to LED light source 5 in light belt bending.
Embodiment 3
As shown in fig. 6, several LED light sources 5 line up two column on flexible circuit board 1, the cross section of silica gel packaging shell 3 is
Rectangle, that is, the transparent surface of silica gel packaging shell 3 is planar structure, light guide is not shown in FIG. 6.According to the one of embodiment 3
Bright Source Protection cover 6 is provided in the cavity that a preferred embodiment, silica gel packaging shell 3 and flexible circuit board 1 surround.Silica gel envelope
Dress shell 3 is similar to embodiment 1 to the structure of Bright Source Protection cover 6, and details are not described herein again.
Embodiment 4
As shown in fig. 7, several LED light sources 5 line up two column on flexible circuit board 1, the cross section of silica gel packaging shell 3 is
Continuous peak shape.Specifically, the transparent surface of silica gel packaging shell 3 include from the outside of a column LED light source 5 from flexible circuit board 1 to
The arc transparent surface of outer protrusion, and the arc transparent surface outwardly protruded from the outside of another column LED light source 5 from flexible circuit board 1,
The two arc transparent surfaces are connected to form continuous crest structure, and the outside of the LED light source 5 is apart from another column LED light source 5
Farther away side.The transparent surface of arc converges the light that LED light source 5 issues along the vertical direction of light belt extending direction, mentions
High illumination efficiency.
The technical solution provided according to the present invention, in a first aspect, flexible circuit board matter is soft, so that the shape of lighting device is more
Become, adapts to the variation in moulding of car light；Second aspect, the flexible circuit board for being integrated with light source at least have there are two types of packaged type,
Wherein, separable assembled mode can reduce encapsulation fault rate, save the cost, and integral packaging mode then improves encapsulation precision；The
Three aspects, array of source under the control of integrated control module, make with soft by the effect that timing may be implemented, dynamically light
The vehicle light shape of property pipeline-type, enriches the visual effect of car light.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (10)
1. a kind of Vehicular illumination device, which is characterized in that the Vehicular illumination device includes flexible circuit board, array of source, silicon
Glue encapsulating shell and integrated control module；
The array of source is integrated on an end face of the flexible circuit board；
The silica gel packaging shell is connect with the end face of the flexible circuit board, for encapsulating the array of source；
The integrated control module is electrically connected with the flexible circuit board, bright for carrying out by array of source described in ordered pair when setting
It goes out control.
2. Vehicular illumination device according to claim 1, which is characterized in that several points light source is along the flexible circuit board
Extending direction line up at regular intervals at least one column, to constitute the array of source；
The array of source includes independent point light source and by the concatenated point light source groups of multiple point light sources；
The integrated control module is for described in point light source described in the output driving chronologically first control signal and driving of light on and off
The second control signal of point light source groups chronologically light on and off.
3. Vehicular illumination device according to claim 2, which is characterized in that the point light source is along the flexible circuit board
When extending direction forms a line, the cross section of the silica gel packaging shell is rectangle or peak shape；
When the point light source lines up two column or multiple row along the extending direction of the flexible circuit board, the silica gel packaging shell it is transversal
Face is rectangle or continuous peak shape.
4. Vehicular illumination device according to claim 2 or 3, which is characterized in that each adjacent two point light source shine in
Maximum distance between the heart is 10~15 millimeters.
5. Vehicular illumination device according to claim 2 or 3, which is characterized in that the point light source is Light-emitting diode LED
Or luminescence chip；
The point light source is monochromatic source or polychromatic source, for realizing a variety of light distributing functions.
6. Vehicular illumination device according to claim 1, which is characterized in that evenly dispersed in the silica gel packaging shell to have light
Scattering diluent.
7. Vehicular illumination device according to claim 6, which is characterized in that the open end of the silica gel packaging shell is fixed on
A cavity is surrounded in the flexible circuit plate end face, and with flexible circuit plate end face；
Bright Source Protection cover is provided in the cavity.
8. Vehicular illumination device according to claim 1, which is characterized in that be integrated with the flexible circuit of the array of source
Plate is by silica gel integral packaging, so that very close to each other between the silica gel packaging shell and the array of source.
9. Vehicular illumination device according to claim 1, which is characterized in that the Vehicular illumination device further includes leaded light
Part, the light guide are mounted on the emission side of the array of source；
The light guide zone of the light guide includes incidence surface and light-emitting surface, the settable dermatoglyph of the incidence surface of the light guide zone or is coated with light
Scattering layer.
10. Vehicular illumination device according to claim 1, which is characterized in that the Vehicular illumination device further includes heat dissipation
Bracket, the cooling stand be arranged in the flexible circuit board back on the other end of the array of source.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019104883374 | 2019-06-05 | ||
| CN201910488337 | 2019-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107861A true CN110107861A (en) | 2019-08-09 |
Family
ID=67495371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910528486.9A Pending CN110107861A (en) | 2019-06-05 | 2019-06-18 | Vehicular illumination device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110107861A (en) |
| WO (1) | WO2020244117A1 (en) |
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Also Published As
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| WO2020244117A1 (en) | 2020-12-10 |
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