WO2022253290A1 - 发光组件及车辆 - Google Patents

发光组件及车辆 Download PDF

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Publication number
WO2022253290A1
WO2022253290A1 PCT/CN2022/096739 CN2022096739W WO2022253290A1 WO 2022253290 A1 WO2022253290 A1 WO 2022253290A1 CN 2022096739 W CN2022096739 W CN 2022096739W WO 2022253290 A1 WO2022253290 A1 WO 2022253290A1
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WO
WIPO (PCT)
Prior art keywords
light
layer
transmitting layer
emitting
transmitting
Prior art date
Application number
PCT/CN2022/096739
Other languages
English (en)
French (fr)
Inventor
叶家荣
陈雪萍
俞建钊
肖子龙
叶允祥
Original Assignee
福耀玻璃工业集团股份有限公司
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 福耀玻璃工业集团股份有限公司 filed Critical 福耀玻璃工业集团股份有限公司
Priority to EP22815331.8A priority Critical patent/EP4321382A1/en
Priority to KR1020237038866A priority patent/KR20230169298A/ko
Publication of WO2022253290A1 publication Critical patent/WO2022253290A1/zh
Priority to US18/388,339 priority patent/US20240077178A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/65—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/208—Sun roofs; Windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • 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
    • F21W2106/00—Interior vehicle lighting devices
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements

Definitions

  • the present application relates to the technical field of vehicles, in particular to a light-emitting component and a vehicle.
  • the present application provides a light-emitting component and a vehicle, and the light-emitting component can increase the atmosphere effect in the vehicle.
  • the present application provides a light-emitting component, the light-emitting component includes a light-transmitting member and a pattern layer, the pattern layer is attached to the surface of the light-transmitting member, the pattern layer includes a plurality of micro-patterns, and the plurality of micro-patterns Set at intervals, the radial dimension of the micro-patterns ranges from 0.025 mm to 0.26 mm, and the distance between adjacent micro-patterns ranges from 0.2 mm to 1.5 mm.
  • the micro-patterns Light is emitted to make the pattern layer appear.
  • the light-transmitting member includes a first light-transmitting layer, an adhesive layer and a second light-transmitting layer, and the adhesive layer is used to bond the first light-transmitting layer and the second light-transmitting layer on the Together, the pattern layer is arranged between the first light-transmitting layer and the second light-transmitting layer, or, the pattern layer is arranged on the side of the second light-transmitting layer away from the first light-transmitting layer surface.
  • the second light-transmitting layer includes a light incident surface and a light-emitting surface
  • the light-emitting surface is the surface of the second light-transmitting layer away from the first light-transmitting layer
  • the light-emitting component also includes at least a part of The light-emitting element provided on the light-incident surface
  • the light-emitting element is used to emit light and enter the second light-transmitting layer through the light-incidence surface
  • the pattern layer is used to change the propagation path of light, In order to make the light inside the second light-transmitting layer exit from the light-emitting surface.
  • the micro-pattern can emit light by itself, and when the micro-pattern emits light, the pattern layer appears.
  • the light-incident surface and the light-exit surface are bent and connected, the light-incident surface is at least a part of the peripheral surface of the second light-transmitting layer, and the light-emitting element faces the second light-transmitting layer.
  • Perimeter setting is a part of the peripheral surface of the second light-transmitting layer, and the light-emitting element faces the second light-transmitting layer.
  • the second light-transmitting layer has an accommodating space, the sidewall of the accommodating space constitutes the light-incident surface, and the light-emitting element is at least partially accommodated in the accommodating space.
  • the pattern layer is disposed between the first light-transmitting layer and the second light-transmitting layer, and the light-incident surface and the light-emitting surface are coplanar.
  • the distance from the light-emitting element to the second light-transmitting layer is 10 mm to 15 mm
  • the light-emitting component further includes a non-transparent cover plate, where the first light-transmitting layer points to the second light-transmitting layer.
  • the cover plate is disposed on a side of the light-emitting element away from the first light-transmitting layer, and the cover plate covers the gap between the light-emitting element and the first light-transmitting layer.
  • the distance from the light-emitting element to the second light-transmitting layer is 0 mm to 10 mm
  • the light-emitting component further includes a non-transparent cover plate, and the cover plate is arranged on the second light-transmitting layer away from the first light-transmitting layer.
  • One side of a light-transmitting layer, and the cover plate covers the light-emitting component and at least part of the second light-transmitting layer, and the area where the orthographic projection of the cover plate on the second light-transmitting layer is located covers Area, in the direction in which the light-emitting element points to the second transparent layer, the size of the covered area is 5 mm to 50 mm.
  • the distance between the light-emitting element and the second light-transmitting layer is 0 mm to 10 mm
  • the light-emitting component further includes a non-transparent cover plate and a non-transparent light-shielding layer, and when the first light-transmitting layer points to the In the direction of the second light-transmitting layer, the cover plate is arranged on the side of the light-emitting element away from the first light-transmitting layer, and the light-shielding layer is arranged on the side of the second light-transmitting layer away from the first light-transmitting layer.
  • the size of the light-shielding layer is 5 mm to 40 mm.
  • the thickness of the micro-pattern ranges from 0.01 mm to 0.03 mm.
  • the light transmittance of the micro pattern is 10%-85%.
  • the present application also provides a vehicle, the vehicle includes a vehicle body and the above-mentioned light-emitting assembly, and the light-emitting assembly is carried on the vehicle body.
  • the micro-pattern when the light-emitting component is powered on, the micro-pattern can emit light from the light-emitting surface of the light-transmitting member to make the pattern layer appear.
  • people in the vehicle can watch to the luminous pattern layer, thereby enhancing the ambience effect in the car.
  • Fig. 1 is a schematic diagram of a vehicle provided by an embodiment of the present application.
  • Fig. 2 is a schematic diagram of the light-emitting component provided by the embodiment of the present application when it is powered on.
  • FIG. 3 is a partial schematic diagram of a pattern layer provided in an embodiment of the present application.
  • Fig. 4 is a schematic diagram of the light-emitting component provided by the embodiment of the present application when it is not powered on.
  • Fig. 5 is a partial cross-sectional view of a light emitting component provided by an embodiment of the present application.
  • Fig. 6 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 7 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 8 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 9 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 10 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 11 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 12 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 13 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • Fig. 14 is a partial cross-sectional view of a light emitting assembly provided by another embodiment of the present application.
  • vehicle-1 vehicle body-10, light-emitting component-20, light-transmitting member-210, first light-transmitting layer-211, second light-transmitting layer-212, adhesive layer-213, pattern layer-220, Miniature pattern-221, light-emitting part-230, circuit board-231, bearing part-2311, extension part-2312, light-emitting diode-232, cover plate-240, light-shielding layer-250, accommodation space-K1, accommodation space-K2 , containment space-K3, light-incoming surface-M1, and light-emitting surface-M2.
  • the present application provides a vehicle 1 .
  • the vehicle 1 includes a vehicle body 10 and a light emitting assembly 20 described in any of the following embodiments.
  • the light emitting assembly 20 is carried on the vehicle body 10 .
  • the light-emitting component 20 can be, but not limited to, a sunroof of the vehicle 1 , the sunroof is installed on the roof of the vehicle 1 , and external light can enter the interior of the vehicle 1 through the sunroof.
  • the following embodiments of the present application only use the light emitting assembly 20 as a skylight for illustration.
  • the vehicle body 10 refers to the main structural components or electronic components constituting the vehicle 1 , for example, the vehicle body 10 may include a frame, a seat, and the like.
  • the light-emitting assembly 20 in the vehicle 1 provided by the above-mentioned embodiment will be described in detail below with reference to the accompanying drawings.
  • the present application provides a light-emitting component 20 , which includes a light-transmitting member 210 and a pattern layer 220 .
  • the transparent member 210 may be, but not limited to, glass or transparent plastic.
  • the pattern layer 220 is attached to the surface of the transparent member 210 .
  • the pattern layer 220 can be, but not limited to, formed on the light-transmitting member 210 by printing, spraying and other means.
  • the pattern layer 220 includes a plurality of micro-patterns 221 , that is, the pattern layer 220 is composed of several micro-patterns 221 .
  • the shape of the micro-pattern 221 may be a circle, an ellipse, a triangle, a rectangle, a prism, or a polygon with a side length greater than or equal to 5.
  • the patterns presented on the pattern layer 220 as a whole may be numbers, Chinese characters, symbols, characters, etc., which are specifically set according to requirements, and are not limited here.
  • the plurality of micro-patterns 221 are arranged at intervals.
  • the radial dimension of the micro-pattern 221 ranges from 0.025 mm to 0.26 mm, that is, the micro-pattern 221 is any figure that can be included in a circle with a diameter ranging from 0.025 mm to 0.15 mm.
  • the distance between adjacent micro-patterns 221 ranges from 0.2 mm to 1.5 mm.
  • micro-patterns 221 can be arranged at equal intervals.
  • the micro-patterns 221 can also be arranged at unequal intervals, which can eliminate moiré fringes, and can improve the phenomenon of uneven light emission of the overall pattern by adjusting the intervals.
  • the micro-pattern 221 When the light-emitting component 20 is powered on, the micro-pattern 221 emits light, so that the pattern layer 220 appears, so that people in the vehicle 1 can watch the light-emitting pattern layer 220, thereby improving the atmosphere effect in the car, as shown in Figure 2 shown.
  • the light emitting principle of the micro-pattern 221 will be described in detail in the subsequent embodiments.
  • the pattern layer 220 will be more obvious even if the light-emitting component 20 is not powered on, that is, the occupants in the vehicle can intuitively see the pattern layer 220 within a relatively long distance. It will bring at least the following three problems: 1. The atmosphere effect is generally used at night, so the pattern layer 220 that is visible during the day will block a part of the visible area, so it also blocks a part of the occupant's line of sight, which reduces the occupant's visibility. driving experience. 2. Since the occupants in the car can watch the pattern layer 220 all the time, the occupants will inevitably experience aesthetic fatigue after a long time. 3. Under normal circumstances, the atmosphere effect in the car is matched with the whole car, so when other ambient light sources in the car are not turned on, the always displayed pattern layer 220 will destroy the coordination of the atmosphere in the car.
  • the size of the micro-pattern 221 is designed to be small, it is at the micron level.
  • the human eye cannot recognize the pattern layer 220 composed of a plurality of micro-patterns 221 from a certain distance (greater than or equal to 230 mm), that is, when the light-emitting component 20 is not powered on, the pattern layer 220 is in the "blanking" state. " state (as shown in Figure 4), which can overcome the three problems mentioned above.
  • the micro-pattern 221 has a thickness ranging from 0.01 mm to 0.03 mm.
  • the micro-pattern 221 can be transparent or opaque.
  • the micro-pattern 221 can transmit light, and the light transmittance of the micro-pattern 221 is 10%-85%. It can be understood that if the micro-pattern 221 has a certain light transmittance, it can make the occupant in the vehicle less likely to see the pattern layer 220, that is, when the light-emitting component 20 is not powered on, the "blanking" effect of the pattern layer 220 is better.
  • the light-transmitting member 210 includes a first light-transmitting layer 211 , an adhesive layer 213 and a second light-transmitting layer 212 stacked together.
  • the adhesive layer 213 is used to bond the first transparent layer 211 and the second transparent layer together.
  • the first transparent layer 211 and the second transparent layer 212 can be, but not limited to, glass, plastic and the like. Wherein, the first transparent layer 211 faces the exterior of the vehicle 1 , and the second transparent layer 212 faces the interior of the vehicle 1 .
  • the pattern layer 220 is disposed between the first light-transmitting layer 211 and the second light-transmitting layer 212 , this form can prevent foreign objects from damaging the pattern layer 220 , Thereby increasing lifespan.
  • the pattern layer 220 may be disposed between the first transparent layer 211 and the adhesive layer 213 , or may be disposed between the second transparent layer 212 and the adhesive layer 213 .
  • the pattern layer 220 can be formed on the surface of the first transparent layer 211 or the second transparent layer 212 in advance, and then the two transparent layers are bonded together by the adhesive layer 213 .
  • the pattern layer 220 may also be formed on the surface of the adhesive layer 213 in advance, and then the first transparent layer 211 and the second transparent layer 212 are bonded together by the adhesive layer 213 formed with the pattern layer 220 .
  • the pattern layer 220 is disposed on the surface of the second transparent layer 212 away from the first transparent layer 211 . It can be understood that, in the process of using the adhesive layer 213 to bond the first transparent layer 211 and the second transparent layer 212 together, it is necessary to use a certain external force to make the first transparent layer 211 and the second transparent layer The layers 212 are pressed against each other so that a firm bond can be ensured. Therefore, compared with the previous embodiment, the patterned layer 220 in this embodiment avoids the problem of being squeezed and deformed by the first light-transmitting layer 211 and the second light-transmitting layer 212, thereby ensuring that the patterned layer 220 maintains its original shape. Have form.
  • the micropattern 221 can emit light by itself, and the pattern layer 220 appears, that is to say, each micropattern 221 can emit light by itself, and human eyes receive light from multiple micropatterns 221. imaged by light.
  • the patterned layer 220 is disposed between the first transparent layer 211 and the second transparent layer 212 , the light emitted from the patterned layer 220 passes through the second transparent layer 212 and then enters human eyes.
  • the patterned layer 220 is disposed on the surface of the second transparent layer 212 away from the first transparent layer 211 , the light emitted from the patterned layer 220 directly enters human eyes without passing through the second transparent layer 212 .
  • the second light-transmitting layer 212 includes a light-incident surface M1 and a light-exit surface M2 .
  • the light emitting surface M2 is a surface of the second transparent layer 212 facing away from the first transparent layer 211 .
  • the light emitting assembly 20 further includes a light emitting element 230 at least partially facing the light incident surface M1.
  • the light-emitting element 230 is used to emit light and enter the second light-transmitting layer 212 through the light-incident surface M1 . It should be noted that the refractive index of the second transparent layer 212 is greater than that of air.
  • the light When the light reaches the interface between the second transparent layer 212 and the air, the light is totally reflected.
  • the pattern layer 220 is used to change the propagation path of the light inside the second light-transmitting layer 212, so that the inside of the second light-transmitting layer 212 The light is emitted from the light emitting surface M2.
  • the total reflection means that when light enters from a medium with a higher refractive index to a medium with a lower refractive index, if the incident angle is greater than a certain critical angle ⁇ c (the light is far away from the normal), the refracted light will disappear, All incident light rays will be reflected and not enter the low index medium.
  • the refractive index of the adhesive layer 213 is smaller than the refractive index of the second transparent layer 212, so as to prevent the light inside the second transparent layer 212 from being refracted from the adhesive layer 213, so as to ensure sufficient Light is emitted from the pattern layer 220 .
  • the light-emitting element 230 includes an electrically connected circuit board 231 (Printed Circuit Board, PCB) and a plurality of light-emitting diodes 232 (Light-Emitting Diode, LED).
  • the LED can emit light of various colors, so that the pattern layer 220 can display different colors.
  • the pattern layer 220 is disposed between the first transparent layer 211 and the second transparent layer 212 .
  • the light incident surface M1 and the light exit surface M2 are bent and connected.
  • the light incident surface M1 is at least part of the peripheral surface of the second transparent layer 212 .
  • the light emitting element 230 is disposed facing the periphery of the second transparent layer 212 .
  • the light incident surface M1 is a side of the second light-transmitting layer 212 , and the side is located at an edge of the second light-transmitting layer 212 .
  • the PCB is arranged along the edge of the second light-transmitting layer 212 , and a plurality of LEDs are arranged on the PCB at intervals along the edge of the second light-transmitting layer 212 .
  • the first light-transmitting layer 211 protrudes from the second light-transmitting layer 212 to form an accommodating space K1, and the light-emitting element 230 is accommodated in the accommodating space K1.
  • This structure facilitates The protruding portion of the first transparent layer 211 protects the light emitting element 230 from being damaged by foreign objects.
  • the pattern layer 220 is disposed between the adhesive layer 213 and the second light-transmitting layer 212 , when the light inside the second light-transmitting layer 212 reaches the second light-transmitting layer 212 and the micro-pattern 221
  • the interface of the second light-transmitting layer 212 is destroyed, the light is reflected, the propagation path of the light changes, and finally emerges from the light-emitting surface M2, that is, the total reflection of the light inside the second light-transmitting layer 212 is destroyed, and the occupants in the vehicle 1 can see the light.
  • Pattern layer 220 is disposed between the adhesive layer 213 and the second light-transmitting layer 212 .
  • the refractive index of the patterned layer 220 is greater than the refractive index of the second transparent layer 212, in the structural form that the patterned layer 220 is arranged on the surface of the second transparent layer 212 away from the first transparent layer 211 ( That is, the pattern layer 220 is arranged on the light-emitting surface M2), when the light inside the second light-transmitting layer 212 reaches the interface between the second light-transmitting layer 212 and the micro-pattern 221, the light inside the second light-transmitting layer 212 passes through the micro-pattern 221 is refracted, that is, the total reflection of the light inside the second light-transmitting layer 212 is destroyed, so that the occupants in the vehicle 1 can see the luminous pattern layer 220 .
  • the second transparent layer 212 has an accommodation space K2 .
  • the side walls of the accommodation space K2 form the light incident surface M1.
  • the light-emitting element 230 is at least partially accommodated in the accommodating space K2.
  • the accommodating space K2 may or may not penetrate through the second light-transmitting layer 212 (that is, the accommodating space K2 is the second light-transmitting layer 211). sinker on layer 212).
  • the PCB is connected to the second light-transmitting layer 212 and covers at least part of the opening of the accommodation space K2 communicating with the outside, and the LED is at least partially disposed in the accommodation space K2. It can be understood that this setting form is beneficial to avoid damage to the LED from the outside world, and it is also beneficial to prevent the light in the accommodating space K2 from escaping out of the accommodating space K2, thereby ensuring that the patterned layer 220 can be activated with less power. Shows enough brightness.
  • the pattern layer 220 is disposed between the adhesive layer 213 and the second light-transmitting layer 212 , when the light inside the second light-transmitting layer 212 reaches the second light-transmitting layer 212 and the micro-pattern 221
  • the interface of the second light-transmitting layer 212 is destroyed, the light is reflected, the propagation path of the light changes, and finally emerges from the light-emitting surface M2, that is, the total reflection of the light inside the second light-transmitting layer 212 is destroyed, and the occupants in the vehicle 1 can see the light.
  • Pattern layer 220 is disposed between the adhesive layer 213 and the second light-transmitting layer 212 .
  • the refractive index of the patterned layer 220 is greater than the refractive index of the second transparent layer 212, in the structural form that the patterned layer 220 is arranged on the surface of the second transparent layer 212 away from the first transparent layer 211 ( That is, the pattern layer 220 is arranged on the light-emitting surface M2), when the light inside the second light-transmitting layer 212 reaches the interface between the second light-transmitting layer 212 and the micro-pattern 221, the light inside the second light-transmitting layer 212 passes through the micro-pattern 221 is refracted, that is, the total reflection of the light inside the second light-transmitting layer 212 is destroyed, so that the occupants in the vehicle 1 can see the luminous pattern layer 220 .
  • the pattern layer 220 is disposed between the adhesive layer 213 and the second light-transmitting layer 212 , and the light-incident surface M1 and the light-exit surface M2 is coplanar, that is, the light incident surface M1 and the light output surface M2 are the same plane on the second transparent layer 212 .
  • the PCB includes a carrying portion 2311 and an extension portion 2312 , the carrying portion 2311 has a receiving space K3 , and the extending portion 2312 extends from a peripheral edge of the carrying portion 2311 to a direction away from the receiving space K3 .
  • the LED is connected to the bearing part 2311 and accommodated in the accommodation space K3, and the extension part 2312 is connected to the light-incident surface M1.
  • This structural form is beneficial to prevent the light emitted by the LED from leaking out of the accommodation space K3.
  • the light emitted by the LED enters the second transparent layer 212 through the light incident surface M1, and when the light inside the second transparent layer 212 reaches the interface between the second transparent layer 212 and the micro-pattern 221, the light Reflection, the light propagation path changes, and finally emits from the light-emitting surface M2, that is, the total reflection of light inside the second light-transmitting layer 212 is destroyed, and occupants in the vehicle 1 can see the luminous pattern layer 220 .
  • the light-emitting element 230 is arranged adjacent to the edge of the second light-transmitting layer 212, and the orthographic projections of the light-emitting element 230 and the pattern layer 220 on the light-emitting surface M2 do not overlap, so that the light-emitting element 230 can avoid blocking the pattern
  • the layer 220 is beneficial to improve the visual effect.
  • the following technical problems will occur: 1. Since the LED of the light-emitting element 230 is a light source, adjacent LEDs The edge of the second light-transmitting layer 212 shows a granular light source (hereinafter referred to as the particle problem); 2. Scattered light will appear within 10mm in the light emitting direction of the LED, that is to say, when the LED emits mixed colors other than the three primary colors When the LED emits light, there will be mixed light of various colors within 10mm along the light emitting direction of the LED (hereinafter referred to as the scattering problem). The occurrence of the particle problem and scattering problem mentioned above will affect the view of the luminous pattern layer 220 by the occupants in the car, and will also cause a mismatch with the atmosphere effect of the whole car.
  • FIG. 7 and FIG. 8 Three implementations for solving the particle problem and the scattering problem are introduced below, and the structure shown in FIG. 7 and FIG. 8 is used as an example for illustration.
  • the distance H1 from the light-emitting element 230 to the second transparent layer 212 is 10mm ⁇ 15mm.
  • the light emitting assembly 20 also includes a non-transparent cover plate 240 .
  • the cover plate 240 is disposed on a side of the light-emitting element 230 away from the first transparent layer 211 , and the The cover plate 240 covers the gap between the light emitting element and the first transparent layer 211 , in other words, the cover plate 240 covers a range of 10 mm to 15 mm in the light emitting direction of the light emitting element 230 .
  • the distance H1 from the light-emitting element 230 to the second transparent layer 212 is 0 mm ⁇ 10 mm.
  • the light emitting assembly 20 also includes a non-transparent cover plate 240 .
  • the cover plate 240 is disposed on the side of the second light-transmitting layer 212 away from the first light-transmitting layer 211 , and the cover plate 240 covers the light-emitting component 20 and at least part of the second light-transmitting layer 212.
  • the cover plate 240 covers the light-emitting element and the first light-transmitting layer 211 gaps between.
  • the area where the orthographic projection of the cover plate 240 on the second transparent layer 212 is located is a coverage area.
  • the size of the coverage area (hereinafter referred to as the first coverage size H2 for short) is 5 mm ⁇ 50 mm.
  • the first covering size H2 is 15 mm ⁇ 50 mm.
  • the first covering size H2 is 5 mm ⁇ 50 mm.
  • the distance H1 from the light-emitting element 230 to the second transparent layer 212 is 0 mm ⁇ 10 mm.
  • the light emitting assembly 20 further includes a non-transparent cover plate 240 and a non-transparent light-shielding layer 250 .
  • the cover plate 240 is disposed on a side of the light emitting element 230 away from the first transparent layer 211 .
  • the cover plate 240 covers the light-emitting element and the first light-transmitting layer 211 gaps between.
  • the light-shielding layer 250 is disposed on a side of the second light-transmitting layer 212 away from the first light-transmitting layer 211 .
  • the size of the light-shielding layer 250 (hereinafter referred to as the second covering size H3 for short) is 5 mm ⁇ 40 mm.
  • the second covering size H3 is 15 mm ⁇ 40 mm.
  • the second covering size H3 is 5 mm ⁇ 40 mm.

Abstract

本申请提供一种发光组件及车辆，所述发光组件包括透光件及图案层，所述图案层附着于所述透光件的表面，所述图案层包括多个微型图案，所述多个微型图案间隔设置，所述微型图案的径向尺寸范围为0.025mm～0.26mm，相邻的所述微型图案之间的距离范围为0.2mm～1.5mm，当所述发光组件通电时，所述微型图案发光，以使得所述图案层显现。本申请提供的发光组件可以增加车内的氛围效果。

Description

发光组件及车辆
本申请要求于2021年06月02日提交中国专利局、申请号为202110615170.0、申请名称为“发光组件及车辆”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及车辆技术领域，具体涉及一种发光组件及车辆。
背景技术
随着生活水平的提升，人们对于生活品质的需求也变得越来越高。例如，在车辆领域，人们迫切要求提升车内的氛围效果，因此，如何增加车内的氛围则成为近年来的研究热点。
发明内容
本申请提供一种发光组件及车辆，该发光组件可以增加车内的氛围效果。
本申请提供一种发光组件，所述发光组件包括透光件及图案层，所述图案层附着于所述透光件的表面，所述图案层包括多个微型图案，所述多个微型图案间隔设置，所述微型图案的径向尺寸范围为0.025mm～0.26mm，相邻的所述微型图案之间的距离范围为0.2mm～1.5mm，当所述发光组件通电时，所述微型图案发光，以使得所述图案层显现。
其中，所述透光件包括第一透光层、粘接层及第二透光层，所述粘接层用于将所述第一透光层和所述第二透光层粘接在一起，所述图案层设置于所述第一透光层和所述第二透光层之间，或者，所述图案层设置于所述第二透光层背离所述第一透光层的表面。
其中，所述第二透光层包括入光面和出光面，所述出光面为所述第二透光层背离所述第一透光层的表面，所述发光组件还包括至少部分面对于所述入光面设置的发光件，所述发光件用于发出光线并穿过所述入光面进入到所述第二透光层的内部，所述图案层用于改变光线的传播路径，以使得所述第二透光层内部的光线从所述出光面射出。
其中，所述微型图案可自发光，当所述微型图案发光时，所述图案层显现。
其中，所述入光面和所述出光面弯折相接，所述入光面为所述第二透光层的至少部分周缘面，所述发光件面对所述第二透光层的周缘设置。
其中，所述第二透光层具有容纳空间，所述容纳空间的侧壁构成所述入光面，所述发光件至少部分收容于所述容纳空间内。
其中，所述图案层设置于所述第一透光层和所述第二透光层之间，且所述入光面与所述出光面共面。
其中，所述发光件到所述第二透光层的距离为10mm～15mm，所述发光组件还包括非透明的盖板，在所述第一透光层指向所述第二透光层的方向上，所述盖板设置于所述发光件远离所述第一透光层的一侧，且所述盖板覆盖所述发光元件与所述第一透光层之间的间隙。
其中，所述发光件到所述第二透光层的距离为0mm～10mm，所述发光组件还包括非透明的盖板，所述盖板设置于所述第二透光层远离所述第一透光层的一侧，且所述盖板覆盖所述发光组件和至少部分所述第二透光层，所述盖板在所述第二透光层上的正投影所在的区域为覆盖区域，在所述发光件指向所述第二透光层的方向上，所述覆盖区域的尺寸为5mm～50mm。
其中，所述发光件到所述第二透光层的距离为0mm～10mm，所述发光组件还包括非透明的盖板和非透明的遮光层，在所述第一透光层指向所述第二透光层的方向上，所述盖板设置于所述发光件远离所述第一透光层的一侧，所述遮光层设置于所述第二透光层背离所述第一 透光层的一侧，在所述发光件指向所述第二透光层的方向上，所述遮光层的尺寸为5mm～40mm。
其中，所述微型图案的厚度范围为0.01mm～0.03mm。
其中，所述微型图案的透光率为10％～85％。
本申请还提供一种车辆，所述车辆包括车辆本体及上述发光组件，所述发光组件承载于所述车辆本体上。
在本申请中，当所述发光组件通电时，所述微型图案可以将光线从所述透光件的出光面射出而使得所述图案层显现，当应用于车辆时，车辆内的人员可以观看到发光的图案层，从而提高车内氛围效果。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的车辆的示意图。
图2为本申请实施例提供的发光组件在通电时的示意图。
图3为本申请实施例中提供的图案层的局部示意图。
图4为本申请实施例提供的发光组件在未通电时的示意图。
图5为本申请一实施例提供的发光组件的局部剖视图。
图6为本申请另一实施例提供的发光组件的局部剖视图。
图7为本申请又一实施例提供的发光组件的局部剖视图。
图8为本申请又一实施例提供的发光组件的局部剖视图。
图9为本申请又一实施例提供的发光组件的局部剖视图。
图10为本申请又一实施例提供的发光组件的局部剖视图。
图11为本申请又一实施例提供的发光组件的局部剖视图。
图12为本申请又一实施例提供的发光组件的局部剖视图。
图13为本申请又一实施例提供的发光组件的局部剖视图。
图14为本申请又一实施例提供的发光组件的局部剖视图。
标号说明：车辆-1，车辆本体-10，发光组件-20，透光件-210，第一透光层-211，第二透光层-212，粘接层-213，图案层-220，微型图案-221，发光件-230，电路板-231，承载部-2311，延伸部-2312，发光二极管-232，盖板-240，遮光层-250，容置空间-K1，容纳空间-K2，收容空间-K3，入光面-M1，出光面-M2。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这 些过程、方法、产品或设备固有的其他步骤或单元。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，在至少两个实施例结合在一起不存在矛盾的情况下，本文所描述的实施例可以与其它实施例相结合。
请参照图1，本申请提供一种车辆1，所述车辆1包括车辆本体10及以下任意实施方式中所述的发光组件20，所述发光组件20承载于所述车辆本体10上。其中，所述发光组件20可以但不仅限于为车辆1的天窗，所述天窗安装于车辆1的顶盖上，外界光线可透过天窗进入到车辆1内部。本申请以下实施例仅以发光组件20为天窗进行示例性说明。所述车辆本体10是指构成车辆1的主要结构件或电子件，比如车辆本体10可以包括车架、座椅等。
下面结合附图详细介绍上述实施例提供的车辆1中的发光组件20。
请参照图2和图3，本申请提供一种发光组件20，所述发光组件20包括透光件210及图案层220。其中，所述透光件210可以但不仅限于玻璃、透明塑胶。所述图案层220附着于所述透光件210的表面。所述图案层220可以但不仅限于通过印刷、喷涂等手段形成于所述透光件210上。所述图案层220包括多个微型图案221，即图案层220由若干个微型图案221组成。所述微型图案221的形状可以为圆形、椭圆形、三角形、矩形、棱形、边长大于或等于5的多边形。所述图案层220整体所呈现的图案可以是数字、中文、符号、人物等，具体依需求设定，在此不做限定。所述多个微型图案221间隔设置。所述微型图案221的径向尺寸范围为0.025mm～0.26mm，即微型图案221为可包含在以直径范围0.025～0.15mm的圆内的任意图形。相邻的所述微型图案221之间的距离范围为0.2mm～1.5mm。
需说明的是，各微型图案221之间可以等间距设置。各微型图案221之间也可以是非等间距设置，非等间距设置可以消除莫尔条纹，以及可以通过调整间距来改善整体图案发光不均匀的现象。
当所述发光组件20通电时，所述微型图案221发光，以使得所述图案层220显现，使得车辆1内的人员可以观看到发光的图案层220，从而提高车内氛围效果，如图2所示。所述微型图案221的发光原理将在后续实施例中具体介绍。
可以理解的是，若微型图案221的尺寸设置的过大，即使发光组件20未通电，图案层220都比较明显，即车内乘员在较远距离内都可以直观的观看到图案层220，这样会带来以下至少三方面的问题：1、氛围效果一般是在晚上使用，所以在白天可见的图案层220会遮挡掉一部分的可见区域，所以也就遮挡了乘员的一部分视线，这样降低了乘员的驾乘体验。2、由于车内乘员可以一直观看到图案层220，长时间后，乘员难免会产生审美疲劳。3、正常情况下，车内的氛围效果是整车匹配的，所以当车内的其它氛围光源没有打开的时候，一直显示的图案层220会破坏车内氛围协调性。
在本申请的实施例中，由于微型图案221的自身尺寸设计的较小，处于微米级别。当发光组件20未通电时，人眼在一定距离外(大于或等于230mm)识别不出由多个微型图案221构成的图案层220，即发光组件20未通电时，图案层220处于“消隐”的状态(如图4所示)，从而可以克服上面所提到的三方面的问题。
可选的，所述微型图案221的厚度范围为0.01mm～0.03mm。
由于微型图案221的自身尺寸已经设置的较小，因此，微型图案221可以透光，也可以不透光。可选的，所述微型图案221可以透过光线，所述微型图案221的透光率为10％～85％。 可以理解的是，若微型图案221具有一定的透光率，可以使得车内乘员更不容易看到图案层220，即发光组件20未通电时，图案层220的“消隐”效果更好。
请参照图5和图6，所述透光件210包括层叠设置的第一透光层211、粘接层213及第二透光层212。所述粘接层213用于将第一透光层211和第二透光测粘接在一起。所述第一透光层211和第二透光层212可以但不仅限于为玻璃、塑胶等。其中，所述第一透光层211面向车辆1外部，所述第二透光层212面向车辆1内部。
请参照图5，在一种实施方式中，所述图案层220设置于所述第一透光层211和所述第二透光层212之间，该形式可以避免外物破坏图案层220，从而提高寿命。所述图案层220具体可以设置于第一透光层211和粘接层213之间，也可以设置于第二透光层212和粘接层213之间。所述图案层220可以事先形成于第一透光层211或者第二透光层212的表面，然后再利用粘接层213将两个透光层粘接在一起。所述图案层220也可以事先形成于粘接层213的表面，然后再利用形成有图案层220的粘接层213将第一透光层211和第二透光层212粘接在一起。
请参照图6，在另一种实施方式中，所述图案层220设置于所述第二透光层212背离所述第一透光层211的表面。可以理解的是，在利用粘接层213将第一透光层211和第二透光层212粘接在一起的过程中，需要使用一定的外力使得第一透光层211和第二透光层212相互挤压，从而才能保证牢固粘接在一起。因此，相较于上一种实施方式，本实施方式中的图案层220避免了被第一透光层211和第二透光层212挤压而变形的问题，从而可以确保图案层220维持原有形态。
下面结合附图详细介绍所述图案层220的发光原理。
在第一种实施方式中，所述微型图案221可自发光，所述图案层220显现，也就是说，每个微型图案221都可以自行发出光线，人眼接收到来自多个微型图案221的光线而成像。当所述图案层220设置于所述第一透光层211和所述第二透光层212之间时，图案层220发出的光线穿过第二透光层212再进入人眼。当所述图案层220设置于所述第二透光层212背离所述第一透光层211的表面时，图案层220发出的光线不用穿过第二透光层212而直接进入人眼。
请参照图7至图11，在第二种实施方式中，所述第二透光层212包括入光面M1和出光面M2。所述出光面M2为所述第二透光层212背离所述第一透光层211的表面。所述发光组件20还包括至少部分面对于所述入光面M1设置的发光件230。所述发光件230用于发出光线并穿过所述入光面M1进入到所述第二透光层212的内部。需说明的是，所述第二透光层212的折射率大于空气的折射率。当光线到达第二透光层212和空气的交界面时，光线发生全反射。当光线达到第二透光层212和图案层220的交界面时，所述图案层220用于改变第二透光层212内部光线的传播路径，以使得所述第二透光层212内部的光线从所述出光面M2射出。其中，所述全反射是指当光线从较高折射率的介质进入到较低折射率的介质时，如果入射角大于某一临界角θc(光线远离法线)时，折射光线将会消失，所有的入射光线将被反射而不进入低折射率的介质。
可选的，所述粘接层213的折射率小于所述第二透光层212的折射率，从而可以避免第二透光层212内部的光线从粘接层213折射出，以确保充足的光线从图案层220射出。
其中，所述发光件230包括电连接的电路板231(Printed Circuit Board，PCB)和多个发光二极管232(Light-Emitting Diode，LED)。LED可以发出多种色光，从而可以使得图案层220呈现出不同的颜色。
下面在上述第二种实施方式的基础上，结合附图分情况介绍图案层220和发光件230的不同设置形式。
请参照图7和图8，在一种实施方式中，所述图案层220设置于所述第一透光层211和所述第二透光层212之间。所述入光面M1和所述出光面M2弯折相接。所述入光面M1为所述第二透光层212的至少部分周缘面。所述发光件230面对所述第二透光层212的周缘设置。具体来讲，入光面M1为第二透光层212的侧面，该侧面位于第二透光层212的边缘。PCB沿第二透光层212的边缘设置，多个LED则沿第二透光层212的边缘间隔排布于PCB上，该LED用于在通电时面向第二透光层212的侧面发光。可选的，所述第一透光层211凸出于所述第二透光层212而构成容置空间K1，所述发光件230收容于所述容置空间K1内，该结构形式有利于通过第一透光层211的凸出部分保护发光件230不被外物破坏。
请参照图7，在图案层220设置于粘接层213和第二透光层212之间的结构形式中，当第二透光层212内部的光线到达第二透光层212和微型图案221的交界面时，所述光线发生反射，光线传播路径发生改变，最后从出光面M2射出，即第二透光层212内部光线的全反射被破坏，车辆1内的乘员从而可以看到发光的图案层220。
请参照图8，所述图案层220的折射率大于第二透光层212的折射率，在图案层220设置于第二透光层212背离第一透光层211的表面的结构形式中(即图案层220设置于出光面M2上)，当第二透光层212内部的光线到达第二透光层212和微型图案221的交界面时，第二透光层212内部的光线从微型图案221折射出去，即第二透光层212内部光线的全反射被破坏，车辆1内的乘员从而可以看到发光的图案层220。
请参照图9和图10，在另一种实施方式中，所述第二透光层212具有容纳空间K2。所述容纳空间K2的侧壁构成所述入光面M1。所述发光件230至少部分收容于所述容纳空间K2内。具体来讲，在第二透光层212指向第一透光层211的方向上，所述容纳空间K2可以贯穿第二透光层212，也可以不贯穿(即容纳空间K2为第二透光层212上的沉槽)。PCB连接于第二透光层212，且覆盖至少部分所述容纳空间K2连通外界的开口，LED则至少部分设置在容纳空间K2内。可以理解的是，该设置形式有利于避免外界对LED造成损伤，而且，还有利于避免容纳空间K2内的光线逃出到容纳空间K2外，从而可以确保以较少的电量使得图案层220的呈现足够的亮度。
请参照图9，在图案层220设置于粘接层213和第二透光层212之间的结构形式中，当第二透光层212内部的光线到达第二透光层212和微型图案221的交界面时，所述光线发生反射，光线传播路径发生改变，最后从出光面M2射出，即第二透光层212内部光线的全反射被破坏，车辆1内的乘员从而可以看到发光的图案层220。
请参照图10，所述图案层220的折射率大于第二透光层212的折射率，在图案层220设置于第二透光层212背离第一透光层211的表面的结构形式中(即图案层220设置于出光面M2上)，当第二透光层212内部的光线到达第二透光层212和微型图案221的交界面时，第二透光层212内部的光线从微型图案221折射出去，即第二透光层212内部光线的全反射被破坏，车辆1内的乘员从而可以看到发光的图案层220。
请参照图11，在又一种实施方式中，所述图案层220设置于所述粘接层213和所述第二透光层212之间，且所述入光面M1与所述出光面M2共面，即入光面M1和出光面M2为第二透光层212上的同一平面。所述PCB包括承载部2311和延伸部2312，所述承载部2311具有收容空间K3，所述延伸部2312自所述承载部2311的周缘往背离收容空间K3的方向延伸。所述LED连接于所述承载部2311且容置于所述收容空间K3内，所述延伸部2312连接 于所述入光面M1，该结构形式有利于避免LED发出的光线泄露出收容空间K3。LED发出的光线穿过入光面M1进入到第二透光层212内，当第二透光层212内部的光线到达第二透光层212和微型图案221的交界面时，所述光线发生反射，光线传播路径发生改变，最后从出光面M2射出，即第二透光层212内部光线的全反射被破坏，车辆1内的乘员从而可以看到发光的图案层220。可选的，所述发光件230邻近于所述第二透光层212的边缘设置，且发光件230和图案层220在出光面M2上的正投影不重叠，从而可以避免发光件230遮挡图案层220，有利于提高视觉效果。
经试验表明，若发光件230、第二透光层212、盖板240三者之间的位置关系设置的不恰当，会产生以下技术问题：1、由于发光件230的LED为光源，邻近LED的第二透光层212的边缘处显现出颗粒状光源(以下简称为颗粒问题)；2、LED出光方向上的10mm范围内会出现散射光，也就是说，当LED发出非三基色的混光时，沿LED出光方向上的10mm范围内会出现混杂多种颜色的光线(以下简称为散射问题)。出现上述颗粒问题和散射问题都会影响车内乘员观看发光的图案层220，而且也会造成与整车氛围效果不匹配。
下面介绍用于解决上述颗粒问题和散射问题的三种实施方式，以图7和图8所示的结构为基础进行示例性说明。
请参照图12，在一种实施方式中，所述发光件230到所述第二透光层212的距离H1为10mm～15mm。所述发光组件20还包括非透明的盖板240。在所述第一透光层211指向所述第二透光层212的方向上，所述盖板240设置于所述发光件230远离所述第一透光层211的一侧，且所述盖板240覆盖所述发光元件与所述第一透光层211之间的间隙，换而言之，通过盖板240覆盖发光件230出光方向上的10mm～15mm范围。
请参照图13，在另一种实施方式中，所述发光件230到所述第二透光层212的距离H1为0mm～10mm。所述发光组件20还包括非透明的盖板240。所述盖板240设置于所述第二透光层212远离所述第一透光层211的一侧，且所述盖板240覆盖所述发光组件20和至少部分所述第二透光层212。当所述发光件230到所述第二透光层212的距离H1不为零时(即两者之间存在间隙)，所述盖板240覆盖所述发光元件与所述第一透光层211之间的间隙。所述盖板240在所述第二透光层212上的正投影所在的区域为覆盖区域。在所述发光件230指向所述第二透光层212的方向上，所述覆盖区域的尺寸(以下简称为第一覆盖尺寸H2)为5mm～50mm。具体的，当所述发光件230到所述第二透光层212的距离H1为0mm时，所述第一覆盖尺寸H2为15mm～50mm。当所述发光件230到所述第二透光层212的距离H1为10mm时，所述第一覆盖尺寸H2为5mm～50mm。
请参照图14，在又一种实施方式中，所述发光件230到所述第二透光层212的距离H1为0mm～10mm。所述发光组件20还包括非透明的盖板240和非透明的遮光层250。在所述第一透光层211指向所述第二透光层212的方向上，所述盖板240设置于所述发光件230远离所述第一透光层211的一侧。当所述发光件230到所述第二透光层212的距离H1不为零时(即两者之间存在间隙)，所述盖板240覆盖所述发光元件与所述第一透光层211之间的间隙。所述遮光层250设置于所述第二透光层212背离所述第一透光层211的一侧。在所述发光件230指向所述第二透光层212的方向上，所述遮光层250的尺寸(以下简称为第二覆盖尺寸H3)为5mm～40mm。具体的，当所述发光件230到所述第二透光层212的距离H1为0mm时，所述第二覆盖尺寸H3为15mm～40mm。当所述发光件230到所述第二透光层212的距离H1为10mm时，所述第二覆盖尺寸H3为5mm～40mm。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的， 不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型，这些改进和润饰也视为本申请的保护范围。

Claims (13)

  1. 一种发光组件，其特征在于，所述发光组件包括透光件及图案层，所述图案层附着于所述透光件的表面，所述图案层包括多个微型图案，所述多个微型图案间隔设置，所述微型图案的径向尺寸范围为0.025mm～0.26mm，相邻的所述微型图案之间的距离范围为0.2mm～1.5mm，当所述发光组件通电时，所述微型图案发光，以使得所述图案层显现。
  2. 如权利要求1所述的发光组件，其特征在于，所述透光件包括第一透光层、粘接层及第二透光层，所述粘接层用于将所述第一透光层和所述第二透光层粘接在一起，所述图案层设置于所述第一透光层和所述第二透光层之间，或者，所述图案层设置于所述第二透光层背离所述第一透光层的表面。
  3. 如权利要求2所述的发光组件，其特征在于，所述第二透光层包括入光面和出光面，所述出光面为所述第二透光层背离所述第一透光层的表面，所述发光组件还包括至少部分面对于所述入光面设置的发光件，所述发光件用于发出光线并穿过所述入光面进入到所述第二透光层的内部，所述图案层用于改变光线的传播路径，以使得所述第二透光层内部的光线从所述出光面射出。
  4. 如权利要求2所述的发光组件，其特征在于，所述微型图案可自发光，当所述微型图案发光时，所述图案层显现。
  5. 如权利要求3所述的发光组件，其特征在于，所述入光面和所述出光面弯折相接，所述入光面为所述第二透光层的至少部分周缘面，所述发光件面对所述第二透光层的周缘设置。
  6. 如权利要求3所述的发光组件，其特征在于，所述第二透光层具有容纳空间，所述容纳空间的侧壁构成所述入光面，所述发光件至少部分收容于所述容纳空间内。
  7. 如权利要求3所述的发光组件，其特征在于，所述图案层设置于所述第一透光层和所述第二透光层之间，且所述入光面与所述出光面共面。
  8. 如权利要求5所述的发光组件，其特征在于，所述发光件到所述第二透光层的距离为10mm～15mm，所述发光组件还包括非透明的盖板，在所述第一透光层指向所述第二透光层的方向上，所述盖板设置于所述发光件远离所述第一透光层的一侧，且所述盖板覆盖所述发光元件与所述第一透光层之间的间隙。
  9. 如权利要求5所述的发光组件，其特征在于，所述发光件到所述第二透光层的距离为0mm～10mm，所述发光组件还包括非透明的盖板，所述盖板设置于所述第二透光层远离所述第一透光层的一侧，且所述盖板覆盖所述发光组件和至少部分所述第二透光层，所述盖板在所述第二透光层上的正投影所在的区域为覆盖区域，在所述发光件指向所述第二透光层的方向上，所述覆盖区域的尺寸为5mm～50mm。
  10. 如权利要求5所述的发光组件，其特征在于，所述发光件到所述第二透光层的距离为0mm～10mm，所述发光组件还包括非透明的盖板和非透明的遮光层，在所述第一透光层指向所述第二透光层的方向上，所述盖板设置于所述发光件远离所述第一透光层的一侧，所述遮光层设置于所述第二透光层背离所述第一透光层的一侧，在所述发光件指向所述第二透光层的方向上，所述遮光层的尺寸为5mm～40mm。
  11. 如权利要求1-10任意一项所述发光组件，其特征在于，所述微型图案的厚度范围为0.01mm～0.03mm。
  12. 如权利要求1-10任意一项所述发光组件，其特征在于，所述微型图案的透光率为10％～85％。
  13. 一种车辆，其特征在于，所述车辆包括车辆本体及如权利要求1-12任意一项所述的 发光组件，所述发光组件承载于所述车辆本体上。
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