CN220891992U - Vehicle interior/exterior trim and lighting system device, optical module - Google Patents
Vehicle interior/exterior trim and lighting system device, optical module Download PDFInfo
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- CN220891992U CN220891992U CN202322508000.XU CN202322508000U CN220891992U CN 220891992 U CN220891992 U CN 220891992U CN 202322508000 U CN202322508000 U CN 202322508000U CN 220891992 U CN220891992 U CN 220891992U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 97
- 239000003973 paint Substances 0.000 claims abstract description 78
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 230000037452 priming Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
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Abstract
The application provides a vehicle interior and exterior trim and lighting system device and an optical module, which relate to the technical field of vehicle-mounted lamps, wherein the lighting system device comprises an optical module, the optical module comprises at least one light source, light isolation components arranged on two sides of the light source and light emitting components positioned in the light emitting direction of the light source: the cover plate is used for emitting light from the optical module and comprises a substrate, a primer layer, a colored paint layer and a transparent paint layer which are sequentially laminated; the base plate is located between priming paint layer and the optical module, is equipped with a plurality of first light trap on the priming paint layer, is equipped with a plurality of second light trap on the color paint layer, and at least partial second light trap and at least partial first light trap intercommunication correspond the first light trap and the second light trap of intercommunication and form the printing opacity hole site jointly. The light system device can ensure that the color of the light rays emitted by the optical module cannot change along with the original color of the cover plate, thereby realizing rich and changeable display effects of the light system device.
Description
Technical Field
The application relates to the technical field of vehicle-mounted lamps, in particular to a vehicle interior and exterior trim, a lamplight system device and an optical module.
Background
The lighting system device can be combined with the external bumper, the external grille, the external door plate and other parts. The global automobiles are accelerated to develop towards the electric intelligent direction, and the automobile modeling design has obvious trend of following trend: the front grille is changed into a closed design or is directly cancelled, and the height of the lamp is narrowed and lengthened. One side is the lamplight atmosphere requirement and the Car2X interaction requirement of the intelligent electric vehicle, and the other side is the modeling trend, so that the area of the luminous lamp is reduced, and contradiction is formed.
The principle of the existing lighting system device is that the lighting emits light through translucent paint, translucent material or ink layer. The light will change with the original color of the above medium. For example, translucent paint is red, white light can be displayed as red light through the paint layer, and rich and varied display effects cannot be realized.
Disclosure of utility model
The embodiment of the application aims to provide a vehicle interior and exterior decoration, a lighting system device and an optical module, which can improve the color of light rays emitted by the optical module, change the color along with the original color of a cover plate and solve the problem of single display effect.
In one aspect of the embodiments of the present application, a lighting system apparatus is provided, which includes an optical module, wherein the optical module includes at least one light source, and a light blocking component and a light emitting component located at the light emitting direction of the light source, which are disposed at two sides of the light source: the cover plate is used for emitting light from the optical module and comprises a substrate, a primer layer, a colored paint layer and a transparent paint layer which are sequentially laminated; the base plate is located between priming paint layer and the optical module, is equipped with a plurality of first light trap on the priming paint layer, is equipped with a plurality of second light trap on the color paint layer, and at least partial second light trap and at least partial first light trap intercommunication correspond the first light trap and the second light trap of intercommunication and form the printing opacity hole site jointly. The lighting system device can improve the problem that the color of light rays emitted by the optical module changes along with the original color of the cover plate, so that the display effect is single.
Optionally, the first light holes and the second light holes are identical in shape and size.
Optionally, when the cross section of the light-transmitting hole site is circular, the ratio of the aperture of the light-transmitting hole site to the center distance of two adjacent light-transmitting hole sites is less than or equal to 0.2;
And/or the area occupation ratio of the plurality of light-transmitting holes on the cover plate is less than or equal to 3.14%.
Optionally, the shape of the opening of the light-blocking component is the same as the cross-sectional shape of the light-transmitting hole site;
Or the projection of the light-shielding component opening covers the projection of the light-transmitting hole site.
Optionally, the ratio range of the aperture of the light-transmitting hole site to the center distance of two adjacent light-transmitting hole sites is determined according to the brightness of the color paint layer of the cover plate; and/or the area occupation ratio range of the plurality of light-transmitting holes on the cover plate is determined according to the brightness of the color paint layer of the cover plate.
Optionally, the ratio of the aperture of the light-transmitting hole site to the center distance of two adjacent light-transmitting hole sites satisfies the following formula:
Wherein D is the aperture, L is the center distance of two adjacent printing opacity hole sites, V is the lightness of the color paint layer of apron, and a is more than 0 and is less than 1's constant, and the value of a is according to the kind of the color paint layer of apron and confirm.
Optionally, the area ratio S of the plurality of light-transmitting holes on the cover plate satisfies the following formula:
S≤b*V2-c*V+d；
Wherein V is the brightness of the color paint layer of the cover plate, b is a constant which is more than 7 x 10 -5 and less than 9 x 10 -5, c is a constant which is more than 0 and less than 0.1, d is a constant which is more than 5 and less than 15, and the values of b, c and d are determined according to the type of the color paint layer of the cover plate.
Optionally, the light-isolating component extends towards the light-emitting direction of the light source, the adjacent light sources are isolated by the light-isolating component, the light-emitting component covers the gaps between the plurality of light sources and the plurality of light-isolating components, and the light emitted by the light sources is emitted to the cover plate through the light-emitting component.
In another aspect of the embodiments of the present application, an optical module is provided, where the optical module includes a plurality of light sources, and a light isolation member disposed on two sides of each light source and a light exit member disposed in a light exit direction of the light source, the light isolation member extends toward the light exit direction of the light source, adjacent light sources are isolated by the light isolation member to avoid light exit interference, the light exit member covers gaps between the plurality of light sources and the plurality of light isolation members, and light emitted by the light sources exits through the light exit member. The optical module can solve the problem that the display effect and the cost cannot be considered in the prior art.
Optionally, the optical module further includes a circuit board, the materials of the light-isolating component and the light-emitting component at least include silica gel, and the light-isolating component and the light-emitting component are sequentially formed on the circuit board.
Optionally, the light blocking component is injection molded onto the circuit board.
Optionally, the light emitting component is filled between the light isolating components by injection molding or dispensing, and covers the light source and the light isolating components.
Optionally, the size of the bottom end of the light-isolating component close to the light source is larger than the size of the top end of the light-isolating component far away from the light source, so that the light-isolating component forms a trapezoid column structure.
Optionally, the distance between the optical central axes of two adjacent light sources is between 4mm and 10mm;
And/or, the top end spacing of two adjacent light-shielding components is between 2.5mm and 15 mm.
According to yet another aspect of the present application, there is also provided a vehicle exterior including the lighting system apparatus as above.
According to still another aspect of the present application, there is also provided a vehicle interior including the lighting system apparatus as above.
The beneficial effects of the application include:
The application provides a vehicle interior and exterior trim and lighting system device and an optical module, wherein the lighting system device comprises an optical module and a cover plate, and the optical module comprises at least one light source, light isolation components arranged at two sides of the light source and a light emitting component positioned in the light emitting direction of the light source; the cover plate is used for emitting light from the optical module and comprises a substrate, a primer layer, a colored paint layer and a transparent paint layer which are sequentially laminated; the base plate is located between priming paint layer and the optical module, is equipped with a plurality of first light trap on the priming paint layer, be equipped with on the color paint layer with a plurality of second light trap, at least partial second light trap and at least partial first light trap intercommunication, the first light trap and the second light trap that correspond the intercommunication form the printing opacity hole site jointly. Therefore, when the optical module emits light, the light emitted by the optical module can display the color of the optical module through the first light holes and the second light holes without being influenced by the primer layer and the color paint layer through the substrate, the primer layer, the color paint layer and the transparent paint layer which are sequentially stacked, and when the optical module does not emit light, the first light holes and the second light holes have lower transmittance due to the size distribution of the first light holes and the second light holes, so that the cover plate can integrally display the color of the self color paint layer, the appearance of the cover plate is almost identical to the appearance of the optical module without the first light holes and the second light holes, and the optical module behind the cover plate is hidden.
The application also provides an optical module, which comprises a plurality of light sources, light isolating components arranged at two sides of each light source and light emitting components positioned in the light emitting direction of the light source, wherein the light isolating components extend towards the light emitting direction of the light source, adjacent light sources are isolated by the light isolating components to avoid light emitting interference, the light emitting components cover the gaps between the plurality of light sources and the plurality of light isolating components, and light emitted by the light sources is emitted after passing through the light emitting components. According to the application, the light isolation components are arranged on two sides of the light source, so that light interference of adjacent light sources can be effectively blocked, after the light source emits light, the light is emitted through the light emitting component, the light emitting component surrounds and covers the light source, so that the light emitted by the light source can enter the light emitting component to the maximum extent and be output by the light emitting component, the light efficiency is effectively improved, the brightness of a single display pixel is improved, and the display effect is improved. In addition, the silica gel or similar soft light-isolating parts and light-emitting parts can be directly injected on the circuit board, so that the installation structure of traditional plastic parts is reduced, the reduction of the space of the optical module and the simplification of the assembly process are facilitated, and the minimum thickness of the optical module can be 5-6 mm; on the premise of ensuring the lighting uniformity, the pixel center distance can be reduced, and the minimum pixel center distance can be 3-4 mm, so that the pixel density is higher than that of the existing interactive signal lamp, the display resolution is improved, but the pixel density is lower than that of a miniLED display screen, and the cost is relatively acceptable; the LED light source preferentially uses side-emission type, so that the height of the light isolation component can be reduced, the minimum height can be 3-4 mm, and meanwhile, the high pixel filling degree is achieved, and the space requirement of the whole interaction signal lamp is reduced. The lighting system device provided by the application can realize high-brightness uniform lighting of the low-power light source.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a lighting system device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a lighting system device according to a second embodiment of the present application;
Fig. 3 is a schematic diagram of an arrangement mode when the aperture of the light-transmitting hole is 40um and the center distance l=200um between two adjacent light-transmitting hole sites according to the embodiment of the application;
fig. 4 is a schematic diagram of an arrangement mode when the aperture of the light-transmitting hole is 20um and the center distance l=200um between two adjacent light-transmitting hole sites according to the embodiment of the application;
fig. 5 is a schematic diagram of an arrangement mode when the aperture of the light-transmitting hole is 20um and the center distance l=100 um between two adjacent light-transmitting hole sites according to the embodiment of the application;
Fig. 6 is a schematic diagram of an arrangement mode when the aperture of the light-transmitting hole is 10um and the center distance l=100 um between two adjacent light-transmitting hole sites according to the embodiment of the application;
Fig. 7 is a schematic diagram of an arrangement mode when the light-transmitting holes provided in the embodiment of the application are square, and the center distance l=200um between two adjacent light-transmitting holes;
Fig. 8 is a second schematic diagram of an arrangement mode when the light-transmitting holes provided in the embodiment of the application are square, and the center distance l=200um between two adjacent light-transmitting holes;
Fig. 9 is a schematic diagram of an arrangement mode when center distances l=100 um between two adjacent light-transmitting holes when the light-transmitting holes provided in the embodiment of the application are arranged in a non-array manner;
fig. 10 is a second schematic diagram of an arrangement mode when center distances l=100 um between two adjacent light-transmitting holes when the light-transmitting holes provided in the embodiment of the application are arranged in a non-array manner;
FIG. 11 is a schematic diagram of an optical module according to an embodiment of the present application;
FIG. 12 is a diagram of an optical module manufacturing process according to an embodiment of the present application;
FIG. 13 is a second diagram illustrating a process for manufacturing an optical module according to an embodiment of the present application.
Icon: 1-a circuit board; 2-a light source; 3-a light blocking member; 4-a light emitting component; 4-1-substrate; 4-2-primer layer; 4-2-1-first light holes; 4-3-color paint layer; 4-3-1-second light holes; 4-4-transparent paint layer; 45-light-transmitting hole sites.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put in use of the product of this application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
It should also be noted that the terms "disposed," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically defined and limited; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The application provides a luminous lighting system device (non-traditional lamp) in a grille, a bumper surface, an exterior door panel lamp area or other positions of a vehicle (such as an interior lighting lamp, an atmosphere lamp and the like), which meets the modeling requirement, can realize exterior lighting display, and is not influenced by the color of a cover plate. Hereinafter, a specific configuration of the new lighting system device provided by the present application will be described in detail.
Referring to fig. 1 and 2, in one aspect of the embodiments of the present application, a lighting system device is provided, the lighting system device includes an optical module and a cover plate, wherein the optical module includes at least a light source 2, and a light blocking member 3 disposed at two sides of the light source 2 and a light emitting member 4 disposed in a light emitting direction of the light source 2; the cover plate is used for emitting light of the optical module and comprises a base plate 4-1, a primer layer 4-2, a colored paint layer 4-3 and a transparent paint layer 4-4 which are sequentially laminated; the base plate 4-1 is located between the primer layer 4-2 and the optical piece 5, a plurality of first light holes 4-2-1 are formed in the primer layer 4-2, a plurality of second light holes 4-3-1 are formed in the color paint layer 4-3, at least part of the second light holes 4-3-1 are communicated with at least part of the first light holes 4-2-1, and the communicated first light holes 4-2-1 and second light holes 4-3-1 form light-transmitting hole sites 45 together.
The optical module comprises at least one light source 2, light isolating components 3 arranged on two sides of the light source 2, and light emitting components 4 positioned in the light emitting direction of the light source 2, wherein the light isolating components 3 extend towards the light emitting direction of the light source 2. When the optical module comprises a plurality of light sources 2, the adjacent light sources 2 are isolated by the light isolating component 3 to avoid light interference, the light emitting component 4 covers the gaps between the plurality of light sources 2 and the plurality of light isolating components 3, and the light emitted by the light sources 2 is emitted after passing through the light emitting component 4. According to the application, the light-isolating parts 3 are arranged on the two sides of the light source 2, so that the interference of light rays of adjacent light sources 2 can be effectively blocked, after the light rays are emitted from the light source 2, the light rays are emitted from the light-emitting parts 4, and the light-emitting parts 4 surround and cover the light source 2, so that the light rays emitted from the light source 2 can enter the light-emitting parts 4 to the maximum extent and are output by the light-emitting parts 4, the light efficiency is effectively improved, the brightness of a single display pixel is improved, and the display effect is improved.
According to the application, the first light holes 4-2-1 are formed in the primer layer 4-2, the second light holes 4-3-1 are formed in the colored paint layer 4-3, and at least part of the first light holes 4-2-1 and the second light holes 4-3-1 are correspondingly communicated, so that the corresponding first light holes 4-2-1 and second light holes 4-3-1 can form the light transmission holes 45, and the primer layer 4-2 and the colored paint layer 4-3 can be provided with the light transmission holes 45, so that the color of light emitted by the light source 2 can not change along with the original color of the medium, and the display effect of pixel display can be improved.
In some embodiments, the first light-transmitting holes 4-2-1 and the second light-transmitting holes 4-3-1 are arranged in a one-to-one correspondence in position. The present application is not limited thereto, and the number of the first light-transmitting holes 4-2-1 and the second light-transmitting holes 4-3-1 may be different.
In some embodiments, when the optical module has a plurality of light sources 2, the light sources 2 are aligned with the light transmission holes 45 formed by the first light transmission holes 4-2-1 and the second light transmission holes 4-3-1. However, the present application is not limited thereto, and the plurality of light sources 2 may be offset from the light transmission holes 45 formed by the first light transmission holes 4-2-1 and the second light transmission holes 4-3-1.
In some embodiments, when the optical module has a plurality of light sources 2, the light sources 2 of the optical module can be individually controlled to display different pixel patterns through the first light-transmitting holes 4-2-1 and the second light-transmitting holes 4-3-1. However, the present application is not limited thereto, and the light sources 2 of the optical module may be uniformly controlled.
Alternatively, the first light holes 4-2-1 and the second light holes 4-3-1 are formed by a laser process.
Optionally, to maintain the appearance of the cover plate, the light-transmitting holes 45 are prevented from being visible, and the aperture of the light-transmitting holes 45 may be between 10um and 400 um.
Optionally, to maintain the appearance of the cover plate, the transparent holes 45 are prevented from being visible, and the center distance between adjacent transparent holes 45 may be between 100um and 1000 um.
The cover plate has light permeability at the punching position through punching treatment in the laser process, and the larger the area ratio of the holes in unit area is, the higher the transmittance is, and the holes are easier to identify in the static appearance; on the contrary, the smaller the area ratio of the holes in unit area is, the lower the transmittance is, the holes are not easy to identify in static appearance, and the holes are consistent with the non-punched positions.
Optionally, the first light holes 4-2-1 and the second light holes 4-3-1 have the same shape and size, and the corresponding first light holes 4-2-1 and second light holes 4-3-1 form the light holes 45 together.
Through researches, when the aperture of the light-transmitting hole site 45 and the center distance between two adjacent light-transmitting hole sites 45 are in a certain numerical relationship, the transmittance and the visibility of the static small hole are in a balanced state.
Referring to fig. 3, when the ratio of the aperture of the light-transmitting hole 45 to the center distance between two adjacent light-transmitting holes 45 is greater than 0.2, the cover plate has high transmittance, the light-transmitting holes 45 can be clearly identified in daytime, the light-transmitting holes 45 can be clearly observed in static appearance, and the appearance effect is poor. In fig. 3, the aperture of the light-transmitting hole 45 is 40um, the center distance between two adjacent light-transmitting hole 45 (hereinafter referred to as center distance) l=200um, and d/l=0.2. Thus, in some preferred embodiments, the ratio of the aperture of the light transmissive hole site 45 to the center-to-center distance of two adjacent light transmissive hole sites 45 may be less than or equal to 0.2 to avoid a situation where the light transmissive hole sites 45 are visibly observed in a static appearance.
Referring to fig. 4, alternatively, the ratio of the aperture of the light-transmitting hole 45 to the center distance between two adjacent light-transmitting holes 45 is less than 0.1. At this time, the cover plate has low transmittance, the light-transmitting hole sites 45 can be identified only at night, the light-transmitting hole sites 45 cannot be observed by the static appearance, and the static appearance is excellent. In fig. 6, the aperture of the light-transmitting hole 45 is 20um, the center distance l=200 um, and d/l=0.1.
As shown in fig. 5 and 6, when the center distance is changed (from 200um to 100 um), the numerical relationship between the aperture of the light-transmitting hole site 45 and the center distance is maintained, so that the equivalent transmittance and static appearance can be realized. In fig. 5, the aperture of the light-transmitting hole 45 is 20um, and the center distance l=100 um; in fig. 6, the aperture of the light-transmitting hole 45 is 10um, and the center distance l=100 um.
Referring to fig. 7 and 8, the light-transmitting hole 45 is not limited to a circle, but may be a square, a triangle or any other shape, so as to maintain the non-circular hole area and the area of the surrounding area of the center distance of the light-transmitting hole 45, and the area is consistent with the circular hole state of the light-transmitting hole 45, thereby realizing equivalent transmittance and static appearance.
Referring to fig. 9 and 10, the arrangement of the plurality of light-transmitting holes 45 is not limited to a regular matrix arrangement, and may be an irregular arrangement.
In some embodiments of the present application, the regular or irregular arrangement of the plurality of light-transmissive apertures 45 may cause the plurality of light-transmissive apertures 45 to display pixelated graphics and animations. The shape of the light-transmitting holes 45 can be matched with the arrangement mode to improve the playing effect of the pixelized graph and the animation. In some embodiments, the light-transmitting holes 45 may be, for example, a triangle, and the plurality of light-transmitting holes 45 may be arranged in a parallelogram, where two sides of the parallelogram are parallel to two sides of the triangle of the light-transmitting holes 45, so as to represent corresponding row and column pixels. Meanwhile, the pixels of the rows and the columns are not vertical, so that the pixels of the adjacent rows are staggered or the pixels of the adjacent columns are staggered, the display continuity of oblique lines in the graph is improved, and the interestingness of animation display is improved. Further, the triangular shapes of the adjacent light-transmitting holes 45 can be inverted, namely, the adjacent light-transmitting holes 45 are arranged in a way of being regular triangle, and the adjacent light-transmitting holes 45 are inverted triangle, so that the saw-tooth display of oblique lines in the graph is further reduced, and the playing effect of the pixelated graph and the animation is improved. In some variations, the shapes of the light-transmitting holes 45 may be different from each other.
In some embodiments of the present application, each of the light-transmitting holes 45 may further comprise a plurality of adjacent light-transmitting sub-holes, so that the light-transmitting area of each of the light-transmitting holes 45 may be increased, but the light transmittance of each of the light-transmitting sub-holes is smaller due to the smaller size of the light-transmitting sub-holes, so as to reduce the visibility of the light-transmitting holes 45 when the optical module does not emit light.
In some embodiments of the present application, each of the light-transmitting holes 45 may further comprise a plurality of adjacent light-transmitting sub-holes, so that the light-transmitting area of each of the light-transmitting holes 45 may be increased, but the light transmittance of each of the light-transmitting sub-holes is smaller due to the smaller size of the light-transmitting sub-holes, so as to reduce the visibility of the light-transmitting holes 45 when the optical module does not emit light.
Further, the relationship between the aperture, center distance, shape of the light-transmitting hole 45 and the arrangement mode of the plurality of light-transmitting holes 45 and static appearance/transmittance of the light-transmitting hole 45 can be further summarized as the ratio relationship of the cover plate area occupied by the light-transmitting hole 45 in unit area.
The light-transmitting holes 45 with unlimited shapes on the cover plate are arranged in a preset arrangement mode and uniformly distributed, and the relationship between the occupied area of the light-transmitting holes 45 (the occupied area of the hole area/the hole distribution) and the static appearance/transmittance in unit area is as follows:
First case: the area occupation ratio of the plurality of light-transmitting hole sites 45 on the cover plate is smaller than or equal to 0.79 percent (namely, the area occupied by the light-transmitting hole sites 45 on the unit area is smaller than or equal to 0.79 percent), at this time, the transmittance can only be identified at night, the light-transmitting hole sites 45 can not be observed in the static appearance, and the static appearance is good.
Second case: the area occupation ratio of the plurality of light-transmitting hole sites 45 on the cover plate is more than or equal to 3.14 percent (namely, the area occupation ratio of the light-transmitting hole sites 45 on the unit area of the light-transmitting hole sites 45 is more than or equal to 3.14 percent), at this time, the transmittance can be clearly identified in daytime, the light-transmitting hole sites 45 can be obviously observed in the static appearance, and the appearance effect is imperfect.
Third case: the area ratio of the plurality of light-transmitting holes 45 on the cover plate is between 0.79% and 3.14% (i.e. the area occupied by the light-transmitting holes 45 on the unit area is between 0.79% and 3.14%), and the effect of the transmittance and the static appearance is between the two.
In addition, in practical implementations, the colored paint layer 4-3 may be classified into plain paint, bead paint, and metallic paint in terms of texture. The metallic paint has better effect on shielding micropores than common paint and pearlitic paint due to higher reflectivity of the metallic paint to ambient light.
The color paint, such as the color of car body paint, can be defined by HSV (Hue, saturation, value) system, the values of H and S can be customized, and the higher the Value of V (Value brightness), the lower the Value of D/L (the ratio of the aperture D of the light-transmitting hole site 45 to the center distance L of two adjacent light-transmitting hole sites 45) is, so that the invisibility of micropores can be ensured.
In this embodiment, the numerical relationship between the ratio of the aperture of the light-transmitting hole site 45 and the center distance L of two adjacent light-transmitting hole sites 45 and the textures and color brightness of different paint surfaces is as follows:
the ratio of the aperture of the light-transmitting hole site 45 to the center distance of two adjacent light-transmitting hole sites satisfies the following formula:
Wherein D is the aperture, L is the center distance between two adjacent light-transmitting hole sites, V is the brightness of the colored paint layer 4-3 of the cover plate, a is a constant which is more than 0 and less than 1, and the value of a is determined according to the type of the colored paint layer 4-3 of the cover plate.
For example, when the vehicle body paint color of the cover plate is normal paint or bead paint, a takes a value of 0.3, and the ratio of the aperture of the light-transmitting hole site 45 to the center distance of two adjacent light-transmitting hole sites 45 satisfies the following formula:
Wherein D is the aperture of the light-transmitting hole site 45, L is the center distance between two adjacent light-transmitting hole sites 45, and V is the brightness of the colored paint layer 4-3 of the cover plate.
When the automobile body paint color of the cover plate is metallic paint, the value of a is 0.4, and the ratio of the aperture of the light-transmitting hole site 45 to the center distance of two adjacent light-transmitting hole sites 45 satisfies the following formula:
Wherein D is the aperture of the light-transmitting hole site 45, L is the center distance between two adjacent light-transmitting hole sites 45, and V is the brightness of the colored paint layer 4-3 of the cover plate.
The relationship between the aperture, center distance, shape of the light-transmitting hole 45, arrangement of the light-transmitting hole 45 and the color paint layer can be further summarized as the ratio relationship of the cover plate area occupied by the light-transmitting hole 45 in unit area.
In this embodiment, the numerical relationship between the area ratio S of the plurality of light-transmitting holes 45 on the cover plate and the textures and color brightness of different paint surfaces is as follows:
the area ratio S of the plurality of light-transmitting holes 45 on the cover plate satisfies the following formula:
S≤b*V2-c*V+d；
wherein V is the brightness of the color paint layer 4-3 of the cover plate, b is a constant which is more than 7 x 10 -5 and less than 9 x 10 -5, c is a constant which is more than 0 and less than 0.1, d is a constant which is more than 5 and less than 15, and the values of b, c and d are determined according to the type of the color paint layer 4-3 of the cover plate.
When the color paint layer 4-3 of the cover plate is common paint or bead paint, b can take a value of 7.710 -5, c can take a value of 0.044, d can take a value of 7.044, and the area ratio S of the plurality of light-transmitting hole sites 45 on the cover plate meets the following formula:
S≤7.7*10-5*V2-0.044*V+7.044；
wherein V is the brightness of the color paint layer 4-3 of the cover plate.
When the color paint layer 4-3 of the cover plate is metallic paint, b can take the value of 8.48 x 10 -5, c can take the value of 0.0645, d can take the value of 12.62, and the area ratio S of the plurality of light-transmitting holes 45 on the cover plate meets the following formula:
S≤8.48*10-5*V2-0.0645*V+12.62；
wherein V is the brightness of the color paint layer 4-3 of the cover plate.
The above is merely an embodiment in which the relationship between the brightness of the different color paint layers 4-3 and the arrangement of the light-transmitting hole sites 45 is schematically shown to ensure low visibility of the light-transmitting hole sites 45, and the present application is not limited thereto.
Further, in the optical module, the light-isolating member 3 extends toward the light-emitting direction of the light source 2, the adjacent light sources 2 are isolated by the light-isolating member 3 to avoid light-emitting interference, the light-emitting member 4 covers the gaps between the plurality of light sources 2 and the plurality of light-isolating members 3, and the light emitted by the light sources 2 is emitted after passing through the light-emitting member 4.
The optical member 5 may be a light blocking member 3 and a light emitting member 4, and the lighting system device may further include a circuit board 1, and the plurality of light sources 2 may be electrically connected to the circuit board 1.
Further, the light source 2 of the optical assembly is aligned with the first light transmission hole 4-2-1 and the second light transmission hole 4-3-1, in other words, the light source 2 of the optical module is aligned with the light transmission hole 45, that is, the light source 2 of the optical module is arranged in the same arrangement manner as the light transmission hole 45, so that the light source 2 can transmit light from the light transmission hole 45. In some implementations, the optical module and the cover plate may be provided with alignment structures, and when the optical module and the cover plate are connected by the alignment structures, the light source 2 of the optical module is aligned with the light-transmitting hole site 45.
In some embodiments, the shape of the opening of the light-blocking member 3 is the same as the cross-sectional shape of the light-transmitting hole site 45, that is, when the light source 2 of the optical assembly is aligned with the first light-transmitting hole 4-2-1 and the second light-transmitting hole 4-3-1, the opening of the light-blocking member 3 can overlap with the light-transmitting hole site 45, so as to improve the utilization rate of the light source that emits light from the opening of the light-blocking member 3. In some variations, the projection of the opening of the light-blocking member 3 covers the projection of the light-transmitting hole site 45, that is, when the light source 2 of the optical assembly is aligned with the first light-transmitting hole 4-2-1 and the second light-transmitting hole 4-3-1, the opening area of the light-blocking member 3 is larger than the opening area of the light-transmitting hole site 45, so as to avoid the dark space caused by the light-blocking member 3 being seen from the light-transmitting hole site 45.
It should be noted that, the light sources 2, the light blocking members 3, the light emitting members 4, the circuit board 1, and the like may be referred to below, and the present application is not repeated here in the same places.
According to the application, the light-isolating parts 3 are arranged on the two sides of the light source 2, so that the interference of light rays of adjacent light sources 2 can be effectively blocked, after the light rays are emitted from the light source 2, the light rays are emitted from the light-emitting parts 4, and the light-emitting parts 4 surround and cover the light source 2, so that the light rays emitted from the light source 2 can enter the light-emitting parts 4 to the maximum extent and are output by the light-emitting parts 4, the light efficiency is effectively improved, the brightness of a single display pixel is improved, and the display effect is improved. In addition, the silica gel or similar soft light-isolating component 3 and the light-emitting component 4 can be directly injected on the circuit board 1, so that the installation structure of traditional plastic parts is reduced, the reduction of the space of the optical module and the simplification of the assembly process are facilitated, and the minimum thickness of the optical module can be 5-6 mm; on the premise of ensuring the lighting uniformity, the pixel center distance can be reduced, and the minimum pixel center distance can be 3-4 mm, so that the pixel density is higher than that of the existing interactive signal lamp, the display resolution is improved, but the pixel density is lower than that of a miniLED display screen, and the cost is relatively acceptable; the LED light source preferentially uses side-emission type, so that the height of the light-isolating component 3 can be reduced, the minimum height can be 3-4 mm, and meanwhile, the high pixel filling degree is achieved, and the space requirement of the whole interaction signal lamp is reduced. The lighting system device provided by the application can realize high-brightness uniform lighting of the low-power light source 2.
In another aspect of the embodiments of the present application, referring to fig. 11, an optical module is provided, and the optical module includes a plurality of light sources 2, and a light isolation member 3 and a light emitting member 4 disposed at two sides of each light source 2, wherein the light isolation member 3 extends towards the light emitting direction of the light source 2, the adjacent light sources 2 are isolated by the light isolation member 3 to avoid light emitting interference, the light emitting member 4 covers the gaps between the plurality of light sources 2 and the plurality of light isolation members 3, and the light emitted by the light sources 2 is emitted after passing through the light emitting member 4. The optical module can solve the problem that low-cost low-power LEDs in the prior art hardly achieve the high-brightness uniform lighting effect.
The light source 2 may be an LED light source, and the present application does not limit the type of the light source 2, and for example, the light source 2 preferably uses a side-emitting LED, so that the height of the light blocking member 3 may be effectively reduced, and a top-emitting LED may also be used. The arrangement manner of the plurality of light sources 2 is not limited in the present application, and the plurality of light sources 2 may be arranged in a preset arrangement manner, and the preset arrangement manner may be matrix arrangement, staggered arrangement, and the like.
Different light sources 2 can be independently controlled, namely, each light source 2 can independently control the light brightness and the light color, so that the light brightness and the light color of each luminous pixel can be changed, and pixelated interaction signals can be sent to surrounding traffic participants while the function of the traditional signal lamp is realized. Therefore, the signal lamp of the automobile can present different visual effects according to different requirements, and personalized experience of a user can be improved.
In summary, the present application provides an optical module, which includes a plurality of light sources 2, and light-isolating members 3 disposed at two sides of each light source 2, and light-emitting members 4 disposed in a light-emitting direction of the light source, wherein the light-isolating members 3 extend toward the light-emitting direction of the light source 2, adjacent light sources 2 are isolated by the light-isolating members 3 to avoid light-emitting interference, the light-emitting members 4 cover gaps between the plurality of light sources 2 and the plurality of light-isolating members 3, and light emitted by the light sources 2 is emitted through the light-emitting members 4. According to the application, the light-isolating parts 3 are arranged on the two sides of the light source 2, so that the interference of light rays of adjacent light sources 2 can be effectively blocked, after the light rays are emitted from the light sources 2, the light rays are emitted from the light-emitting parts 4, the light-emitting parts 4 surround and cover the light sources 2, so that the light rays emitted from the light sources 2 can enter the light-emitting parts 4 to the maximum extent and are output by the light-emitting parts 4, the light efficiency is effectively improved, the brightness of a single display pixel is improved, and the display effect is improved, therefore, the high-brightness uniform lighting of the low-power light source 2 can be realized.
In addition, the silica gel or similar soft light-isolating component 3 and the light-emitting component 4 can be directly injected on the circuit board 1, so that the installation structure of traditional plastic parts is reduced, the reduction of the space of the optical module and the simplification of the assembly process are facilitated, and the minimum thickness of the optical module can be 5-6 mm; on the premise of ensuring the lighting uniformity, the pixel center distance can be reduced, and the minimum pixel center distance can be 3-4 mm, so that the pixel density is higher than that of the existing interactive signal lamp, the display resolution is improved, but the pixel density is lower than that of a miniLED display screen, and the cost is relatively acceptable; the LED light source preferentially uses side-emission type, so that the height of the light-isolating component 3 can be reduced, the minimum height can be 3-4 mm, and meanwhile, the high pixel filling degree is achieved, and the space requirement of the whole interaction signal lamp is reduced.
In order to facilitate the control of the light sources 2, the optical module further comprises a circuit board 1, and the light sources 2 are electrically connected to the circuit board 1.
Alternatively, the distance between the optical central axes of two adjacent light sources 2 is between 4mm and 20 mm. Illustratively, the pitch of the optical center axes of the adjacent two light sources 2 may be 4mm, 5mm, 8mm, 10mm, 15mm, 20mm, or the like.
Alternatively, the bottom end dimension of the light blocking member 3 near the light source is larger than the top end dimension of the light blocking member 3 far from the light source, so that the light blocking member 3 forms a trapezoid pillar structure.
The light-isolating component 3 and the light source are both positioned on the circuit board 1, the bottom end of the light-isolating component 3 and the bottom end of the light source 2 are coplanar, the light-isolating component 3 extends towards the light-emitting direction of the light source 2, that is, the height of the light-isolating component 3 is larger than the height of the light source 2 in the light-emitting direction; as can be seen from fig. 11, the height of the light-blocking member 3 is at least twice as great as the height of the light source 2; the light emitted by one light source 2 can be effectively blocked by two adjacent light-blocking components 3, so that the light of the light source 2 and the light of the adjacent light source 2 are prevented from forming interference to influence the light emitting effect.
The two sides of each light source 2 are respectively provided with a light isolation component 3, in the light emitting direction, the central axis of the light isolation component 3 is parallel to the central axis of the light source 2, and the light isolation component 3 forms a trapezoid column structure with a large bottom end and a small top end so as to make the light rays of the light source 2 emit in a divergent shape.
The light blocking member 3 is made of opaque silica gel or a similar soft material; the tip pitch of two adjacent light blocking members 3 is between 2.5mm and 15 mm.
Optionally, the light emitting component 4 is located in the light emitting direction of the light source 2, the light emitting component 4 outputs the light emitted by the light source 2, the light emitting component 4 fills the gap between the light source 2 and the light isolating component 3, so that the light emitting component 4 covers the light emitting path of the light source 2 to the maximum extent, and the light emitted by the light source 2 can be maximally incident into the light emitting component 4 and then be output by the light emitting component 4. The light-emitting member 4 is illustratively composed of silica gel or similar soft material having scattering properties, and the height of the pixel in the light-emitting direction is about 2.5mm to 10mm, that is, the height of the light-emitting member 4 in the light-emitting direction is between 2.5mm to 10mm, so as to optimize the light-transmitting efficiency.
From the above, the light-isolating component 3 and the light-emitting component 4 can be made of silica gel or similar soft materials, so that the light-isolating component 3 and the light-emitting component 4 can be directly injection molded on the circuit board 1, the installation structure of traditional plastic parts is reduced, the space reduction of the optical module and the simplification of the assembly process are facilitated, and the minimum thickness of the optical module can be between 5mm and 6 mm.
In addition, in the preparation of the optical module provided by the application, referring to fig. 12 and 13, the light sources 2 can be firstly arranged and welded on the circuit board 1 according to the required interval; then using a mould to mould the light-isolating component 3 on the circuit board 1; finally, the light emitting component 4 is filled above the light source and the light isolating component 3 by using a mold injection molding or dispensing method. Simple preparation and high efficiency.
In addition, alternatively, the plurality of light sources 2 may be uniformly arranged on the circuit board 1, that is, the interval between any adjacent two light sources 2 may be equal, but is not limited thereto. In a partly realisable way there may be at least two adjacent light sources 2 of which the spacing is not the same. Similarly, a plurality of light-insulating components 3 are uniformly distributed and arranged on the circuit board 1, and the intervals between any two adjacent light-insulating components 3 can be equal or unequal, and the light-insulating components are arranged according to actual requirements.
In another aspect of the embodiments of the present application, an optical control method of an optical module is provided, where the optical control method of the optical module is applied to the optical module, and the optical control method includes:
1) When the ambient illuminance is smaller than the preset illuminance, controlling the driving currents of the light sources 2 to be respectively lightened at the respective preset driving currents;
2) When the ambient illuminance is greater than or equal to the preset illuminance, the driving current of the partial light source 2 is reduced.
It should be noted that the optical control method of the optical module provided by the present application is applied to the optical module. The optical control method comprises the following steps: the magnitude of the driving current of the plurality of light sources 2 is controlled according to the ambient illuminance.
In some embodiments, when the ambient illuminance is greater than or equal to the preset illuminance, the driving current of the partial light source 2 may be reduced to 0, that is, the partial light source 2 is turned off. In other embodiments, the driving current of a portion of the light sources 2 may be reduced and the driving current of the remaining light sources 2 may be increased. The amount of increase in the driving current of the remaining light sources 2 is positively correlated with the amount of decrease in the driving current of the partial light sources 2.
In particular, the light source 2 that reduces the drive current and the light source that does not reduce the drive current may be selected at intervals to ensure the integrity of the information displayed.
Specifically, the control of the driving current of the plurality of light sources 2 according to the ambient illuminance may be achieved by:
1) When the ambient illuminance is smaller than the preset illuminance, the driving currents of the plurality of light sources 2 are controlled to be respectively lighted with the respective predetermined driving currents. That is, when the ambient illuminance is low, the driving currents of the plurality of light sources 2 can be made to light up at the respective predetermined currents, and thus, the effect of high pixel resolution when the ambient illuminance is low can be achieved.
2) When the ambient illuminance is greater than or equal to the preset illuminance, the driving current of the partial light sources 2 is reduced and the driving current of the remaining light sources 2 is increased. That is, when the ambient illuminance is high, the driving current of the partial light sources 2 can be made low, and the predetermined current of the remaining light sources 2 can be increased, so that the effect of high-luminance pixels and high recognition at the time of the high ambient illuminance can be achieved.
For ease of understanding, it is assumed that the optical module includes n light sources 2 in total, wherein the driving current of each individual light source 2 in the n light sources 2 is I 1、I2、……In, and the maximum driving current allowed by the individual light source 2 is I max. At this time, if the ambient illuminance is smaller than the preset illuminance, each individual light source 2 of the n light sources 2 is lit up with its own predetermined driving current (I 1、I2、……In); if the ambient illuminance is greater than or equal to the preset illuminance, the predetermined driving current of some light sources 2 in the n light sources 2 may be reduced, and the predetermined driving current of the remaining light sources 2 may be increased.
Assuming that the predetermined driving currents of the m light sources 2 are selectively reduced, wherein the reduction amounts of the predetermined driving currents of each light source 2 of the m light sources 2 are Δ 1、Δ2、……Δm, respectively, the driving current I ix of the light source I of the remaining light sources is calculated according to the following formula:
Iix＝ΔIx+Ii<Imax；
Wherein Δi x is an average increase value of the driving current of the remaining light source, I i is a predetermined driving current of the light source I, I max is a maximum driving current, and the average increase value Δi x of the driving current of the remaining light source is calculated according to the following formula:
ΔIx＝(Δ1、Δ2、……Δm)/(n-m)；
Of course, the above increasing/decreasing manner is merely an example, and the present application is not limited to the above theoretical calculation value, the above increase of the predetermined driving current may be appropriately adjusted according to the distribution and the heat-resistant effect of the light sources 2, and the increase and/or decrease of the driving current of each light source 2 may be adjusted to different values according to the need.
The application can achieve the effect of high pixel resolution when the ambient illuminance is low and the effect of high pixel brightness and high recognition degree when the ambient illuminance is high by adjusting the preset driving current of the light source 2 under different illuminances by providing the optical control method of the optical module, and can achieve the optimization of functions on the basis of not increasing the hardware cost.
Alternatively, the preset illuminance may be 1000lux. Of course, the preset illuminance value is merely an example, and is not a limitation of the present application, and a person skilled in the art may adjust the specific value of the preset illuminance according to different requirements in different application scenarios.
The application also provides a vehicle exterior trim, comprising the light system device. The vehicle exterior trim may be, for example, a grille, a bumper face, an exterior door panel, or the like, and the present application is not limited thereto.
The application also provides a vehicle interior, comprising the lighting system device. The vehicle interior trim may be, for example, a vehicle interior illumination lamp, an atmosphere lamp, or the like, and the present application is not limited thereto.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (16)
1. A lighting system apparatus, comprising:
The optical module comprises at least one light source, light isolation components arranged on two sides of the light source and light emitting components positioned in the light emitting direction of the light source;
The cover plate is used for enabling the optical module to emit light and comprises a substrate, a primer layer, a colored paint layer and a transparent paint layer which are sequentially laminated; the base plate is located the priming paint layer with between the optical module, be equipped with a plurality of first light trap on the priming paint layer, be equipped with a plurality of second light trap on the color paint layer, at least part the second light trap with at least part first light trap intercommunication corresponds the intercommunication first light trap with the second light trap forms the printing opacity hole site jointly.
2. The light system device of claim 1, wherein the first light-transmitting aperture and the second light-transmitting aperture are identical in both profile and size.
3. The lighting system device of claim 1, wherein when the cross section of said light-transmitting hole is circular, the ratio of the aperture of said light-transmitting hole to the center distance between two adjacent light-transmitting holes is less than or equal to 0.2;
and/or the area occupied ratio of the plurality of light-transmitting holes on the cover plate is less than or equal to 3.14%.
4. The lighting system device of claim 1, wherein the light blocking member has an opening shape identical to a cross-sectional shape of the light transmitting hole site;
Or the projection of the opening of the light-isolating component covers the projection of the light-transmitting hole site.
5. The lighting system device of claim 1, wherein the ratio range of the aperture of said light-transmitting hole site to the center distance of two adjacent light-transmitting hole sites is determined according to the lightness of the paint layer of said cover plate; and/or the area occupation ratio range of the plurality of light-transmitting holes on the cover plate is determined according to the brightness of the color paint layer of the cover plate.
6. A lighting system apparatus as recited in claim 5, wherein the ratio of the aperture of said light-transmitting aperture to the center-to-center distance of two adjacent said light-transmitting apertures satisfies the following formula:
wherein D is the aperture, L is the center distance of two adjacent light-transmitting hole sites, V is the lightness of the color paint layer of the cover plate, a is a constant which is more than 0 and less than 1, and the value of a is determined according to the type of the color paint layer of the cover plate.
7. The light system device of claim 5, wherein the area ratio S of the plurality of light-transmitting holes on the cover plate satisfies the following formula:
s≤b*V2-c*V+d；
Wherein V is the brightness of the paint layer of the cover plate, b is a constant greater than 7×10 -5 and less than 9×10 -5, c is a constant greater than 0 and less than 0.1, d is a constant greater than 5 and less than 15, and the values of b, c and d are determined according to the type of the paint layer of the cover plate.
8. The lighting system device of claim 1, wherein said light-blocking members extend in a direction of light emission from said light sources, adjacent ones of said light sources are blocked by said light-blocking members, said light-emitting members cover gaps between said light sources and said light-blocking members, and light emitted from said light sources is emitted to said cover plate after passing through said light-emitting members.
9. The optical module is characterized by comprising a plurality of light sources, light isolating parts arranged on two sides of each light source and light emitting parts positioned in the light emitting direction of the light source, wherein the light isolating parts extend towards the light emitting direction of the light source, adjacent light sources are isolated by the light isolating parts, the light emitting parts cover a plurality of light sources and gaps of the light isolating parts, and light emitted by the light sources is emitted after passing through the light emitting parts.
10. The optical module of claim 9, wherein the light source is located on a circuit board, the light blocking member and the light emitting member are made of a material including at least silica gel, and the light blocking member and the light emitting member are sequentially formed on the circuit board.
11. The optical module of claim 10, wherein the light blocking member is injection molded onto the circuit board.
12. The optical module of claim 10, wherein the light-emitting members are filled between the light-blocking members using injection molding or dispensing, and cover the light source and the light-blocking members.
13. The optical module of claim 9, wherein a bottom dimension of the light blocking member proximate to the light source is greater than a top dimension of the light blocking member distal from the light source such that the light blocking member forms a trapezoidal pillar structure.
14. An optical module as claimed in any one of claims 9 to 13, characterized in that,
The distance between the optical central axes of two adjacent light sources is between 4mm and 10 mm;
And/or, the top end interval of every two adjacent light-isolating components is between 2.5mm and 15 mm.
15. A vehicle exterior trim comprising the lighting system device as defined in any one of claims 1 to 8.
16. A vehicle interior comprising the lighting system device according to any one of claims 1 to 8.
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| CN202322508000.XU CN220891992U (en) | 2023-09-14 | 2023-09-14 | Vehicle interior/exterior trim and lighting system device, optical module |
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| CN202322508000.XU CN220891992U (en) | 2023-09-14 | 2023-09-14 | Vehicle interior/exterior trim and lighting system device, optical module |
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| CN220891992U true CN220891992U (en) | 2024-05-03 |
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