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WO2020244117A1 - Appareil d'éclairage de véhicule - Google Patents

Appareil d'éclairage de véhicule Download PDF

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Publication number
WO2020244117A1
WO2020244117A1 PCT/CN2019/111249 CN2019111249W WO2020244117A1 WO 2020244117 A1 WO2020244117 A1 WO 2020244117A1 CN 2019111249 W CN2019111249 W CN 2019111249W WO 2020244117 A1 WO2020244117 A1 WO 2020244117A1
Authority
WO
WIPO (PCT)
Prior art keywords
light source
light
circuit board
flexible circuit
vehicle lighting
Prior art date
Application number
PCT/CN2019/111249
Other languages
English (en)
Chinese (zh)
Inventor
严梦
何士群
胡克磊
王沁沁
王昭青
祝贺
Original Assignee
华域视觉科技(上海)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华域视觉科技(上海)有限公司 filed Critical 华域视觉科技(上海)有限公司
Publication of WO2020244117A1 publication Critical patent/WO2020244117A1/fr

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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
    • F21S43/15—Strips of light sources
    • 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
    • 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
    • F21S43/281—Materials thereof; Structures thereof; Properties thereof; Coatings thereof
    • F21S43/2815—Mechanical properties, e.g. flexibility
    • 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]

Definitions

  • the invention relates to the field of vehicle lighting, in particular to a vehicle lighting device.
  • Patent application CN108571701A discloses a light guide module for car lights, which includes at least one light guide tube.
  • the light entrance surface of the light guide tube is provided with a light source. If the side wall of the light guide tube is smooth, the light emitted by the light source will be It enters from one end of the light pipe and emits from the other end after total reflection occurs in the light pipe.
  • the side wall of the light pipe In order to make the side wall of the light pipe a light-emitting surface, it is generally necessary to design a toothed shape on the side wall of the light pipe For the pattern, since the reflection angle of the light on the toothed pattern does not meet the critical angle of total reflection of the light, the light can be emitted from the side wall of the light pipe to form the lighting effect of the side wall of the light pipe.
  • the above-mentioned car light guide device can obtain a narrow light band with a linear appearance, the light-emitting state of the light guide tube will turn on or off at the same time as the end surface light source turns on and off.
  • the visual effect is single, and timing lighting or other dynamics cannot be achieved.
  • the form of lighting control effect is single, and timing lighting or other dynamics cannot be achieved.
  • the light-emitting surface of the light guide tube is provided with a toothed pattern, when the light-emitting surface of the light guide tube emits light, the light-emitting surface will have uneven lighting effect due to the different refraction angles of the light.
  • the existing vehicle lighting device cannot achieve sequential lighting or other dynamic forms of on-off control effects, and also has the defect of uneven luminous effects in the light-emitting area, which cannot satisfy the diversification of vehicle lights in terms of modeling and lighting effects. Individual needs.
  • the purpose of the present invention is to overcome the problems that the existing vehicle lighting device cannot achieve the control effect of sequential lighting or other dynamic lighting and lighting, and the uneven lighting effect of the lighting area.
  • the present invention provides a vehicle lighting device, which includes a flexible circuit board, a light source array, a silicone encapsulation shell, and an integrated control module;
  • the light source array is integrated on one end surface of the flexible circuit board;
  • the silicone encapsulation shell is connected to the end surface of the flexible circuit board for encapsulating the light source array
  • the integrated control module is electrically connected to the flexible circuit board, and is used to control the light source array on and off according to a set time sequence.
  • a plurality of point light sources are arranged in at least one column at a certain interval along the extension direction of the flexible circuit board to form the light source array;
  • the light source array includes an independent point light source and a point light source group connected in series by a plurality of point light sources;
  • the integrated control module is configured to output a first control signal that drives the point light source to turn on and off in a time sequence and a second control signal that drives the point light source group to turn on and off in a time sequence.
  • the cross section of the silicone encapsulation shell is rectangular or peak-shaped
  • the cross section of the silicone encapsulation shell is rectangular or continuous peak shape.
  • the maximum distance between the emission centers of every two adjacent point light sources is 10-15 mm.
  • the point light source is a light emitting diode LED or a light emitting chip
  • the point light source is a monochromatic light source or a multi-color light source, and is used to realize multiple light distribution functions.
  • a light scattering agent is uniformly dispersed in the silicone encapsulation shell.
  • the open end of the silicone encapsulation shell is fixed on the end surface of the flexible circuit board, and forms a cavity with the end surface of the flexible circuit board;
  • a light source protective cover is arranged in the cavity.
  • the flexible circuit board integrated with the light source array is integrally packaged with silica gel, so that there is no gap between the silicone encapsulation shell and the light source array.
  • the vehicle lighting device further includes a light guide member installed on the light-emitting side of the light source array;
  • the light guide area of the light guide includes a light entrance surface and a light exit surface, and the light entrance surface of the light guide region can be provided with skin patterns or coated with a light scattering layer.
  • the vehicle lighting device further includes a heat dissipation bracket provided on the other end surface of the flexible circuit board facing away from the light source array.
  • the substrate of the vehicle lighting device is a flexible circuit board
  • the flexible circuit board is soft and can be bent, so that the shape of the lighting device is changeable, can adapt to the shape change of the vehicle lamp, and the lighting effect of the light source array is uniform.
  • the integrated control module is used to control the light source array to switch on and off according to the time sequence.
  • the light source array can realize the dynamic on and off in a stream, which enriches the visual effect of the car lights.
  • Figure 1 is a schematic diagram of the structure of a vehicle lighting device
  • FIG. 2 is a cross-sectional view of the vehicle lighting device according to Embodiment 1;
  • Example 3 is a cross-sectional view of a vehicle lighting device in a preferred embodiment of Example 1;
  • Figure 5 is a cross-sectional view of a vehicle lighting device in a preferred embodiment of Example 2;
  • FIG. 6 is a cross-sectional view of a vehicle lighting device according to Embodiment 3.
  • FIG. 7 is a cross-sectional view of a vehicle lighting device according to Embodiment 4.
  • 1-flexible circuit board 2-light source array; 3-silicone encapsulation shell; 4-light guide; 5-LED light source; 6-light source protective cover.
  • the present invention provides a vehicle lighting device.
  • the vehicle lighting device includes a flexible circuit board 1, a light source array 2, a silicone encapsulation shell 3, and an integrated control module.
  • the light source array 2 is integrated on one end surface of the flexible circuit board 1.
  • the end surface of the flexible circuit board 1 where the light source array 2 is installed is covered with a silicone encapsulating shell 3, and the silicone encapsulating shell 3 is connected to the end surface of the flexible circuit board 1 for encapsulating the light source array 2.
  • the integrated control module is electrically connected to the flexible circuit board 1 and is used to control the light source array 2 on and off according to a set time sequence.
  • the flexible circuit board 1 Compared with a hard resin circuit board or a metal circuit board, the flexible circuit board 1 is light in weight, small in thickness, and flexible, and can be appropriately changed in shape, so the installation flexibility is high.
  • the light source array 2 in the embodiment of the present invention is integrated on the flexible circuit board 1, it has the advantages of high wiring density and less space restriction.
  • both the flexible circuit board 1 and the silicone encapsulation shell 3 are bendable, the vehicle lighting device can be flexibly bent according to the needs of the vehicle lamp shape, which is convenient to install and has strong adaptability.
  • a number of point light sources are arranged in at least one row at a certain interval along the extending direction of the flexible circuit board 1 to form the light source array 2.
  • the point light sources are integrated on the flexible circuit board 1 in an array, and the overall structure after being encapsulated by the silicone encapsulation shell 3 is called a light strip.
  • the light source array 2 includes an independent point light source and a point light source group connected in series by a plurality of point light sources.
  • the integrated control module is used to control the light source array 2 on and off according to a set timing.
  • the control signal output by the integrated control module includes a first control signal for driving the point light source to turn on and off according to the time sequence and a first control signal for driving the point light source group on time.
  • the second control signal that turns on and off in sequence.
  • the entire light source array 2 is composed of multiple point light sources and multiple point light source groups. Each point light source and point light source group can independently switch on and off.
  • the light source array 2 turns on and off according to the time sequence, including but not limited to: any one or more independent point light sources turn on and off according to the time sequence, or any one or more groups of point light sources connected in series according to the time sequence Turn on and off, and turn on and off sequentially from one end of the light source array 2 to the other end to form a flowing water effect. Since the flexible circuit board 1 is encapsulated by the silicone encapsulation shell 3, the shape of the light strip obtained is narrow and long, which can create a flexible pipeline-type car lamp shape. When the integrated control module drives the light source array 2 in sequence from one end to the other to turn on and off , The lighting effect of dynamic flowing water is formed.
  • the center distance between two adjacent point light sources is generally 2 to 5 mm. Because the distance between the light sources is too large, the uniformity of light emission will be deteriorated. Therefore, according to a preferred embodiment of the present invention, every two adjacent point light sources The maximum distance between the emission centers of the point light sources is 10-15 mm.
  • the point light source in the light source array 2 may be a light emitting diode LED or a light emitting chip.
  • the point light source is a monochromatic light source or a multi-color light source, which is used to realize multiple light distribution functions.
  • the monochromatic light source emits only one color of light, and the work information is transmitted through its on-off state;
  • the multi-color light source is a multi-color composite point light source or a composite light source including at least two monochromatic light sources. The off state or the conversion of the luminous color to convey work information.
  • a two-color LED or a two-color light-emitting chip can be used in the light belt to realize the combination of two or more light distribution functions.
  • the two-color light source can be a two-color light-emitting chip or a two-color LED packaged on a circuit board, or two monochromatic LEDs with different light-emitting colors can be packaged independently on the circuit board, for example, two different color LEDs are divided into two rows Installed on the flexible circuit board 1, the LEDs of each column have the same color and are encapsulated into a light strip; or, two LEDs of different colors are arranged in a row at intervals.
  • the yellow light source and white light source are combined in the same light band to realize the functions of daytime running lights, front position lights and front turn lights respectively, or use yellow light sources and red light sources for compounding, respectively.
  • the functions of the rear tail light (ie parking light), brake light (ie brake light) and rear turn signal light are combined in the same light band to realize the functions of daytime running lights, front position lights and front turn lights respectively, or use yellow light sources and red light sources for compounding, respectively.
  • the functions of the rear tail light ie parking light
  • brake light ie brake light
  • rear turn signal light ie parking light
  • a light scattering agent is uniformly dispersed in the silica gel package shell 3.
  • the light scattering agent may include one or a combination of two or more of barium sulfate, calcium carbonate, silicon dioxide, and organic silicon.
  • inorganic nanoparticles such as barium sulfate, calcium carbonate and silica are added to the silica gel encapsulation shell 3, the light will be refracted multiple times on the surface of the tiny particles to achieve light diffusion, that is, to achieve the effect of uniform light; when the silica gel encapsulation shell 3 is added organic
  • silicon light diffusing agent because the refractive index of the substrate and the organic silicon microbeads are different, after multiple light refraction, the soft light effect can also be achieved, and the light energy loss is less.
  • Silicone light diffusers have the advantages of high light diffusion efficiency, good compatibility with the matrix resin, good dispersibility and heat resistance, low addition, and a balance of light transmittance and uniformity.
  • transparent silica gel doped with a light scattering agent is used as the material of the silica gel encapsulation shell 3.
  • the light scattering agent and the silica gel have different refractive indices. Refraction occurs, which changes the path of light and expands the spreading range to achieve uniform light. Since the distance between two adjacent point light sources does not exceed 15 mm, the light passing through the silicone encapsulation shell 3 comes from all directions It seems that they are continuous and uniform, that is, the light-emitting surface of the lighting device of the present invention has a uniform light-emitting effect.
  • the flexible circuit board 1 integrated with the light source array 2 is packaged, there are at least two packaging methods, including separate assembly and integrated packaging.
  • the silicone encapsulation shell 3 When the silicone encapsulation shell 3 is separately processed and formed, it has an open end, and the open end of the silicone encapsulation shell 3 is fixed on the end surface of the flexible circuit board 1, so that the silicone encapsulation shell 3 and the flexible circuit board 1 are assembled together.
  • the packaging shell 3 and the end surface of the flexible circuit board 1 form a cavity.
  • the silicone encapsulation shell 3 and the flexible circuit board 1 can also be assembled mechanically.
  • a protective layer of the light source array 2 can be further provided in the cavity enclosed by the silicone encapsulation shell 3 and the end surface of the flexible circuit board 1.
  • the flexible circuit board 1 integrated with the light source array 2 is integrally packaged with silica gel, so that there is no gap between the silicone encapsulation shell 3 and the light source array 2. Due to the high processing accuracy of the integrated processing, the assembly error between the silicone packaging shell 3 and the flexible circuit board 1 can be reduced.
  • a number of point light sources are arranged in an array on the flexible circuit board 1 at certain intervals.
  • the cross section of the silicone encapsulation shell 3 can be Rectangle, triangle or peak shape; when several LEDs are arranged in two or more columns along the extension direction of the flexible circuit board 1, the cross section of the silicone encapsulation shell 3 can be rectangular or continuous peak shape.
  • the vehicle lighting device further includes a light guide 4 installed on the light-emitting side of the light source array 2.
  • the light guide area of the light guide 4 includes a light entrance surface and a light exit surface.
  • the light entrance surface of the light guide 4 is the side of the light guide 4 that is closer to the light source array 2, and the light exit surface is on the light guide 4 The side farther from the light source array 2.
  • the light incident surface of the light guide 4 is substantially parallel to the extending direction of the light strip, and the light incident surface is usually narrow, and is used to receive light propagating in the vertical direction of the light strip.
  • the light-incident surface of the light guide 4 may be provided with skin patterns, light guide teeth or coated with a light scattering layer.
  • the skin texture, light guide teeth or light scattering layer causes the light to be refracted. Continuous and uniform light output can be observed from any angle.
  • a light scattering agent to the silicone encapsulation shell 3 or arranging skin textures, light guiding teeth or coating a light scattering layer on the light incident surface of the light guide 4, it is used to scatter light and achieve the purpose of uniform light. In practical applications, the above-mentioned homogenization measures can be selected.
  • the vehicle lighting device further includes a heat dissipation bracket, which is arranged on the other end surface of the flexible circuit board 1 facing away from the light source array 2, and the heat dissipation bracket is used to mount the flexible circuit board 1 and the flexible circuit board 1.
  • the LEDs on the LEDs are used for heat dissipation.
  • the cross section of the silicone encapsulation shell 3 is rectangular.
  • the transparent surface of the silicone encapsulation shell 3 includes a plane extending vertically outward from the end surface of the flexible circuit board 1, and a plane connected to the vertical plane and parallel to the end surface of the flexible circuit board 1, that is, the transparent surface of the silicone encapsulation shell 3 is Plane structure, the transparent surface of the planar structure has a divergent effect on the light, which expands the illumination range, but less light propagates along the vertical direction of the light belt, less light enters the light incident surface of the light guide 4, and the luminous efficiency is higher. low.
  • the flexible circuit board 1 may be integrally packaged with silica gel, so that there is no gap between the silica gel package shell 3 and the LED light source 5.
  • the silicone encapsulation shell 3 and the flexible circuit board 1 are assembled together, as shown in FIG. 3, the cavity enclosed by the silicone encapsulation shell 3 and the flexible circuit board 1 is provided with
  • the light source protection cover 6 is located between the LED light source 5 and the silicone encapsulation shell 3 and is used to provide buffer protection for the LED light source 5 when the light strip is bent.
  • the light source protective cover 6 should also be made of flexible materials, including transparent silica gel, resin, and the like.
  • the cross section of the silicone encapsulation shell 3 is a peak shape
  • the transparent surface of the silicone encapsulation shell 3 is a self-flexible circuit
  • the end of the board 1 faces a convex arc-shaped surface, and the arc-shaped surface forms a peak-shaped structure as a whole for sealing the LED light source 5.
  • the arc-shaped light-transmitting surface has a converging effect on the light, converging the light emitted by the LED light source 5 in the vertical direction of the extending direction of the light strip, so that more light enters the light-incident surface of the light guide 4, thereby improving the illumination effectiveness.
  • the arc-shaped transparent surface does not affect the light distribution along the tangential direction of the light belt trend, so it will not cause the problem of uneven light emission.
  • the flexible circuit board 1 may be integrally packaged with silica gel, so that there is no gap between the silica gel package shell 3 and the LED light source 5.
  • a light source protective cover 6 is provided in the cavity enclosed by the silicone encapsulation shell 3 and the flexible circuit board 1, and the light source protective cover 6 is located on the LED light source 5. Between it and the silicone encapsulation shell 3, it is used to provide buffer protection for the LED light source 5 when the light strip is bent.
  • a number of LED light sources 5 are arranged in two rows on the flexible circuit board 1.
  • the cross section of the silicone encapsulation shell 3 is rectangular, that is, the transparent surface of the silicone encapsulation shell 3 is a flat structure, and the light guide is not Shown in Figure 6.
  • a light source protective cover 6 is provided in the cavity enclosed by the silicone encapsulation shell 3 and the flexible circuit board 1.
  • the structure of the silicone encapsulation shell 3 and the light source protective cover 6 is similar to that in Embodiment 1, and will not be repeated here.
  • the light-transmitting surface of the silicone encapsulation shell 3 includes an arc-shaped light-transmitting surface protruding from the flexible circuit board 1 from the outer side of the LED light source 5 of one row, and the light-transmitting surface from the flexible circuit board 1 from the outer side of the LED light source 5 of another row.
  • the outer convex arc-shaped light-transmitting surface, the two arc-shaped light-transmitting surfaces are connected to form a continuous peak-shaped structure, and the outside of the LED light source 5 is the side farther from the other row of LED light sources 5.
  • the arc-shaped light-transmitting surface converges the light emitted by the LED light source 5 in the vertical direction of the extending direction of the light strip, which improves the lighting efficiency.
  • the flexible circuit board is soft, so that the shape of the lighting device is changeable and can adapt to the shape change of the car lamp; in the second aspect, the flexible circuit board integrated with the light source has at least two types of packages Among them, the split assembly method can reduce the packaging error rate and save costs, while the integrated packaging method improves the packaging accuracy; thirdly, the light source array can achieve timing and dynamic lighting effects under the control of the integrated control module , To create a flexible streamlined car lamp shape, enrich the visual effect of the car lamp.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

La présente invention concerne un appareil d'éclairage de véhicule associé au domaine technique de l'éclairage de véhicules. L'appareil d'éclairage de véhicule comprend une carte de circuit imprimé flexible (1), un réseau de sources de lumière (5), un boîtier d'encapsulation en silicone (3) et un module de commande intégré, le réseau de sources de lumière (5) est intégré au niveau d'une extrémité de la carte de circuit imprimé flexible (1) ; le boîtier d'encapsulation en silicone (3) est raccordé à une face d'extrémité de la carte de circuit imprimé flexible (1) et est utilisé pour encapsuler le réseau de sources de lumière (5) ; et le module de commande intégré est électriquement connecté à la carte de circuit imprimé flexible (1) et est utilisé pour commander la mise sous tension/hors tension du réseau de sources de lumière (5) selon une séquence temporelle définie. Un substrat de l'appareil d'éclairage de véhicule est la carte de circuit imprimé flexible (1), et la carte de circuit imprimé flexible (1) est souple et pliable, de sorte que l'aspect de l'appareil d'éclairage est variable et peut s'adapter à des changements de la forme d'un phare de véhicule ; l'effet d'éclairage du réseau de sources de lumière (5) est uniforme ; et en même temps, le module de commande intégré est utilisé pour commander le réseau de sources de lumière (5) pour qu'il saute entre un état allumé et un état éteint selon une séquence temporelle, de sorte qu'une mise en marche/un arrêt dynamique de forme de déplacement peut être réalisé(e), ce qui permet d'enrichir l'effet visuel du phare de véhicule.
PCT/CN2019/111249 2019-06-05 2019-10-15 Appareil d'éclairage de véhicule WO2020244117A1 (fr)

Applications Claiming Priority (2)

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CN201910488337.4 2019-06-05
CN201910488337 2019-06-05

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WO2020244117A1 true WO2020244117A1 (fr) 2020-12-10

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TWI848785B (zh) 2023-08-02 2024-07-11 巨鎧精密工業股份有限公司 整合式雙色車燈裝置

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