WO2021180168A1 - 外透镜、相应的车灯和车辆及方法 - Google Patents

外透镜、相应的车灯和车辆及方法 Download PDF

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Publication number
WO2021180168A1
WO2021180168A1 PCT/CN2021/080189 CN2021080189W WO2021180168A1 WO 2021180168 A1 WO2021180168 A1 WO 2021180168A1 CN 2021080189 W CN2021080189 W CN 2021080189W WO 2021180168 A1 WO2021180168 A1 WO 2021180168A1
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WO
WIPO (PCT)
Prior art keywords
lens
light
reflective layer
outer lens
intermediate film
Prior art date
Application number
PCT/CN2021/080189
Other languages
English (en)
French (fr)
Inventor
吴昌琦
莫锡辉
陈海泉
黄伟芳
成崟峰
阿耶弗雷德里克
弗朗亚历山大
Original Assignee
法雷奥市光(中国)车灯有限公司
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
Priority claimed from CN202010169905.7A external-priority patent/CN113390065A/zh
Priority claimed from CN202010165499.7A external-priority patent/CN113390063A/zh
Priority claimed from CN202010169904.2A external-priority patent/CN113390064A/zh
Application filed by 法雷奥市光(中国)车灯有限公司 filed Critical 法雷奥市光(中国)车灯有限公司
Priority to US17/910,562 priority Critical patent/US20230134384A1/en
Priority to JP2022554720A priority patent/JP2023518178A/ja
Priority to EP21767032.2A priority patent/EP4119839A4/en
Publication of WO2021180168A1 publication Critical patent/WO2021180168A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24Light guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31Optical layout thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors

Definitions

  • This application relates to the field of optical technology, in particular to an outer lens, a corresponding vehicle lamp, a vehicle, and a method.
  • the outer lens is usually only used to achieve the light output function, that is, the processing of the light beam is mainly concentrated on the inner lens part, and the light beam is directly emitted when it reaches the outer lens.
  • the required inner lens often takes up a large space, resulting in a large overall space for the vehicle lamp.
  • one of the problems solved by an embodiment of the present application is to make the overall space required for the vehicle lamp smaller.
  • an outer lens wherein the outer lens includes:
  • the first lens part The first lens part;
  • the reflecting part is arranged on at least one side of the first lens part, is in close contact with the first lens part, and can reflect the light beam entering the first lens part, so that the light beam propagates inside the first lens part.
  • the traditional light guide relies on air for light propagation. According to the embodiment of the present application, there is no air between the first lens part and the reflecting part.
  • the light beam relies on the reflection of the reflecting part to propagate inside the first lens part, which is similar to the principle of the traditional light guide. Different, it provides a new way of light propagation; in addition, because there can be no air layer in the outer lens, the outer lens will be more compact and occupy a smaller space.
  • the reflection part includes an intermediate film disposed on one side of the first lens part, the intermediate film includes an intermediate reflection layer, and the intermediate reflection layer can reflect the light beam entering the first lens part so that the light beam is in the first lens part. Ministry of internal communication.
  • the intermediate film is implemented by an IML film.
  • the outer lens can present various desired patterns and styles.
  • the intermediate film further includes at least one of the following coatings:
  • the intermediate light-shielding layer the light beam propagating in the first lens part can be prevented from leaking from the intermediate reflective layer; the intermediate protective layer can protect the intermediate film; the adhesive layer can bond the intermediate film with other components; The light layer, the overall emitted light is more uniform.
  • the intermediate film can be formed into a desired pattern.
  • the reflection part further includes a first reflection layer disposed on the side of the first lens part opposite to the side where the intermediate film is located, and the first reflection layer can reflect the light beam entering the first lens part to So that the light beam can propagate inside the first lens part.
  • the beam propagation efficiency inside the outer lens can be further improved, and the light energy loss can be reduced.
  • the intermediate reflection layer and/or the first reflection layer includes at least one reflection treatment area
  • the reflection treatment area is an area after reflection reduction or reflection enhancement treatment is performed on the reflection layer.
  • reducing reflection through the reflection treatment area can reduce the emitted light in the over-bright area and reduce the brightness of the light; similarly, for the over-dark area, increasing the reflection through the reflection treatment area can increase the emitted light in the over-dark area and increase The brightness of the light. In this way, the generation of over-bright/over-dark areas can be effectively avoided, so that the overall light emission is more uniform, and the reflection treatment is only performed on a partial area, the process is simpler and the efficiency is higher.
  • the reflection reduction processing includes:
  • -Adopt an optical structure that can reduce reflection on the intermediate reflective layer and/or the first reflective layer.
  • the reflection enhancement processing includes:
  • the outer lens further includes at least one light entrance and at least one middle light exit.
  • the at least one middle light exit is arranged on the side of the first lens part with the reflection part, and the light beam passes through the at least one light entrance. Enter the first lens part, and propagate inside the first lens part to reach at least one middle light outlet.
  • the light entrance and the middle light exit can be located far apart, which provides a more flexible choice for the position of the light source. At the same time, after multiple transmissions in the outer lens, the final light will be more uniform.
  • the reflective part located on the same side as the at least one middle light outlet is realized by using an intermediate film, wherein a part of the structure of the intermediate film or the hollow of the intermediate film forms the intermediate light outlet.
  • the intermediate film is implemented by an IML film.
  • the outer lens can present various desired patterns and styles, and because the position of the light source has a more flexible choice, the outer lens can present more abundant patterns and styles.
  • the at least one light entrance is provided on a side of the first lens portion opposite to the side where the at least one middle light exit is located.
  • the light beam from one light entrance can reach one or more middle light exits.
  • the light beam from one light entrance can reach one or more middle light exits at different positions, which allows one light source to cover more areas.
  • At least part of the light beam from one light entrance can reach a middle light exit after at least one reflection.
  • the light beam reaches the middle light outlet after multiple reflections, which expands the area where the light beam can light up.
  • the outer lens further includes a second lens part
  • the intermediate film is located between the first lens part and the second lens part, and at least one middle light outlet can make the light beam from the first lens part enter the first lens part.
  • the first lens portion, the intermediate film, and the second lens portion are closely attached to each other.
  • the first lens portion, the intermediate film, and the second lens portion are an integral piece.
  • the structure of the outer lens can be made more compact.
  • a vehicle lamp is provided, wherein,
  • the vehicle lamp includes any one of the above-mentioned outer lenses, and at least one light source corresponding to the outer lens.
  • the vehicle lamp further includes at least one inner lens; the inner lens is used to guide the light beam from the light source to the light entrance of the outer lens to enter the first lens part.
  • the inner lens is only needed between the light source and the light entrance of the outer lens, the required volume of the inner lens is greatly reduced, thereby reducing the volume required for the entire vehicle lamp.
  • the vehicle light is a logo light.
  • a vehicle is provided.
  • the vehicle includes any one of the above-mentioned vehicle lights.
  • the intermediate film includes at least an intermediate reflective layer
  • Injection molding is performed on one side of the intermediate film to obtain the first lens part, wherein the intermediate film serves as a reflection part to reflect the light beam entering the first lens part so that the light beam propagates inside the first lens part.
  • pressing the intermediate film further includes making the intermediate film form at least one intermediate light outlet, and the method further includes the following steps:
  • the method further includes the following steps:
  • a first reflective layer is added on the other side of the first lens part.
  • the method further includes the following steps:
  • At least a partial area of the intermediate reflective layer and/or the first reflective layer is subjected to reflection reduction processing or reflection enhancement processing.
  • the reflection reduction processing includes:
  • -Adopt an optical structure that can reduce reflection on a part of the middle reflective layer and/or the first reflective layer.
  • the reflection enhancement processing includes:
  • the present application has the following advantages: the structure of the outer lens is more compact, the overall volume of the vehicle lamp is smaller, and the light output is more uniform.
  • Fig. 1 illustrates a schematic diagram of a part of a vehicle lamp according to a preferred embodiment of the present application
  • Figure 2 illustrates a schematic structural diagram of a vehicle lamp according to another embodiment of the present application
  • Figure 3 illustrates a schematic structural diagram of a vehicle lamp according to another embodiment of the present application.
  • Fig. 4 illustrates a schematic diagram of a hierarchy of an outer lens according to a preferred embodiment of the present application
  • an outer lens 100 a vehicle light using the outer lens 100, and a vehicle including the vehicle light are disclosed.
  • the light beam can finally exit through the outer lens.
  • the light beam passes through the outer lens and finally exits the car lights.
  • the outer lens 100 includes a first lens portion 110, and at least one side of the first lens portion 110 has a reflective portion that is in close contact with the first lens portion 110 and can be reflected into the first lens portion 110.
  • a light beam of the lens part 110 so that the light beam can be airlessly propagated in the first lens part 110.
  • the light beam After the light beam enters the first lens part 110, it is reflected and propagated by the reflection part on at least one side, so that the light beam can be diffused and propagated in the first lens part 110 without passing through media such as light guide or air, that is, in the outer lens Spread in 100.
  • the outer lens 100 further includes an intermediate film 130, and the intermediate film 130 is used to realize a reflection part on one side of the first lens part 110.
  • the inner surface of the first lens portion 110 may be uneven.
  • the intermediate film 130 includes at least an intermediate reflective layer 1301, and the intermediate reflective layer 1301 is attached to the first lens portion 110.
  • the intermediate film 130 may further include at least any of the following coatings:
  • Middle light shielding layer 1302 Preferably, the middle light shielding layer 1302 is located behind the middle reflective layer 1301 to prevent the light beam propagating in the first lens portion 110 from leaking from the side of the middle reflective layer 1301.
  • the “front” and “rear” mentioned in this manual refer to the direction of the light beam exiting from the light source, the approach to the light source is “front”, and the distance away from the light source is “rear”.
  • Adhesive layer 1304 used to bond the intermediate film 130 to other components.
  • one or more of the above-mentioned coatings can be realized by the same layer.
  • a coating can perform both the protective function and the adhesive function at the same time, that is, it is both a protective layer and an adhesive layer at the same time.
  • the other side reflection part of the first lens part 110 is realized by the first reflection layer 112.
  • the other side reflection part may further include a first light shielding layer 114 to reduce the light beam propagating in the first lens part 110 from leaking from the first reflection layer side 112 side.
  • the first lens portion 110 has at least one light entrance 111, and the light entrance 111 is a recessed structure.
  • the light entrance 111 may be a convex structure (not shown) on the first lens portion 110 or the like.
  • the light entrance 111 of the first lens portion 110 is used for accommodating at least a part of the inner lens 200 so that the light beam emitted from the inner lens 200 can enter the first lens portion 110.
  • the outer lens 100 further includes a second lens portion 120, wherein the intermediate film 130 is located between the first lens portion 110 and the second lens portion 120
  • the intermediate film 130 has an intermediate light outlet 131 so that the light beam from the first lens portion 110 can enter the second lens portion 120 and exit through the second lens portion 120.
  • the second lens portion 120 further includes an outer protective layer 121 behind it.
  • the outer protective layer 121 is used to protect the second lens portion 120.
  • protecting the second lens portion 120 from environmental influences such as ultraviolet rays, high temperature and high humidity, etc.
  • the intermediate film 130 may include an intermediate light outlet 131.
  • the middle light outlet 131 may be provided by:
  • the intermediate film 130 is hollowed out; that is, the light beam emitted from the first lens portion 110 exits through the gap of the intermediate film 130; or
  • the uniform light layer 1305 in the intermediate film 130 is realized. Specifically, referring to FIG. 3, the uniform light layer 1305 shown in FIG. 3 is spaced between the intermediate reflective layer 1301 and other coatings, so that the light beam emitted from the first lens portion 110 is uniformized and then emitted.
  • the first lens portion 110 may have a convex or concave structure that matches the middle light outlet 131 of the middle film 130.
  • the first lens portion 110 may have a slightly convex structure at the corresponding part of the space to fill the space; for another example, when the intermediate film 130 adopts a uniform light layer At 1305, the first lens portion may have a slightly concave structure in the homogenization layer portion, so that the homogenization layer 1305 has a sufficient thickness and the like.
  • the intermediate film 130 can be formed into desired patterns, such as text, images, and the like.
  • the intermediate reflective layer 1301, the intermediate light-shielding layer 1302, and the protective layer 1304 constitute the light-shielding portion of the intermediate film 130, and the light-shielding portion forms the word "MOTOR" as a whole, and the character gap is realized by a light-transmitting uniform light layer 1305.
  • the intermediate film can be implemented by an IML (Inner Molding Lable) film.
  • an IML film when used to realize the intermediate film, it also has a matrix layer 1306, and each of the aforementioned layers can be located on the matrix layer 1306.
  • the side surface of the first lens layer 110 may at least partially have a micro-concave-convex structure, and the micro-concave-convex structure can present a regular or irregular distribution.
  • both sides of the first lens layer 110 may be smooth surfaces or non-smooth surfaces.
  • a partial area of at least one side surface of the first lens layer 110 includes a micro concave-convex structure (not shown).
  • the micro concave-convex structure may be one or more of structures such as a prism structure, a sawtooth structure, a pincushion structure, and the like.
  • first lens portion 110, the intermediate film 130 and the second lens portion 120 are closely attached to each other, that is, there is no air in the outer lens 100.
  • the first lens portion 110, the intermediate film 130, and the second lens portion 120 may be a single piece.
  • the light beam can realize no air propagation in the outer lens of this solution, which reduces the gap between components, and makes the overall outer lens more compact.
  • the outer lens 100 has at least one light entrance 111 and at least one middle light exit 131, wherein the light beam enters the outer lens 100 through the at least one light entrance 111 , Propagating inside the outer lens 100 to reach the at least one middle light outlet.
  • the outer lens 100 includes a first lens part 110 having a reflection part on at least one side so that the light beam can propagate inside the first lens part.
  • the realization of the first lens portion 110 and at least one side of the reflection portion can refer to the description in the foregoing specification, which will not be repeated here.
  • the light entrance 111 is located on one side of the first lens portion 110, and the middle light exit port 131 is located on the other side of the first lens portion 110.
  • the middle light outlet 131 may be realized by the middle film 130, or may be realized by the combination of the middle film 130 and the first lens portion 110.
  • the middle film 130 may be realized by the middle film 130, or may be realized by the combination of the middle film 130 and the first lens portion 110.
  • the light beam from one light entrance 111 can reach one or more of the middle light exit 131.
  • At least part of the light beam from one light entrance 111 may reach a middle light exit 131 after at least one reflection.
  • the outer lens 100 further includes a second lens portion 120, wherein the second lens portion 120 is located on one side of the middle light outlet 131, and light beams can pass through the middle light outlet. 131 exits from the first lens portion 110 to the second lens portion 120, and finally exits the outer lens 100.
  • the outer lens 100 shown in FIG. 1 or FIG. 2 includes a first lens portion 110, a second lens portion 120, and an intermediate film 130.
  • the intermediate film 130 is located between the first lens portion 110 and the second lens portion 120, and the intermediate film 130 includes at least one intermediate light outlet 131, and the intermediate light outlet 131 allows the light beam to be Enter the second lens portion 120 from the first lens portion 110; and the first lens portion 110 includes at least one light entrance 111 and a first reflective layer located on the side opposite to the intermediate film 130 120.
  • the light beam when the light beam enters the first lens portion 110 from the light entrance 111, it can be reflected one or more times by the reflection function of the first reflective layer 111 and/or the intermediate reflective layer 1301 of the intermediate film 130, that is, , Propagates inside the first lens portion 110.
  • the materials of the first reflective layer 112 and the intermediate reflective layer 1301 according to the present solution can be the same or different, as long as they can achieve reflection, for example, a PC (Polycarbonate) reflective film, Aluminum layer, etc.
  • PC Polycarbonate
  • the intermediate reflective layer 1301 and/or the first reflective layer 112 includes at least one reflective processing area 113
  • the reflective processing area 113 is a reflective layer The area after reflection reduction treatment or reflection enhancement treatment.
  • the reflection treatment area 113 refers to that the reflection ability of the area becomes weaker/stronger after treatment than before treatment, rather than weaker/stronger than other areas.
  • the reflection reduction treatment includes but is not limited to at least any of the following:
  • the reflection reduction treatment includes at least one of the intermediate reflective layer 1301 and/or the first reflective layer 112 The area with black dots added to the area; or
  • the reflection enhancement treatment includes, but is not limited to: aluminum plating on at least one area of the intermediate reflective layer 1301 and/or the first reflective layer 112.
  • the reflection treatment described in this application includes but is not limited to the treatment methods mentioned above.
  • it can also be achieved by adding a film that can partially absorb the light beam in a part of the reflection layer.
  • Reflex reduction treatment, etc. The examples in this specification are only used to explain the rights, not to limit the rights.
  • the vehicle lamp according to the present application includes an outer lens 100 and at least one light source 300 corresponding to the outer lens 100.
  • the outer lens 100 includes at least one light entrance 111, and the at least one light source 300 corresponds to the at least one light entrance 111 respectively.
  • the vehicle lamp further includes at least one inner lens 200; the inner lens 200 is used to guide the light beam from the light source 300 to the light entrance 111 of the outer lens 100 to enter the outer lens 100.
  • the inner lens 200 includes a light incident part 210 and a guide part 220.
  • the light incident portion 210 is used to receive the light beam from the light source 300.
  • the light incident portion 210 may adopt a shape suitable for condensing light, such as an arc shape.
  • the guiding part 220 is used to guide the light beam to a direction corresponding to the light entrance 111 of the outer lens 100.
  • the guiding part 220 can be realized by a variety of structures.
  • the guiding part 220 adopts an arc-shaped surface. The surface is reflected to enter the outer lens 100.
  • the guiding portion 220 of the inner lens 200 can also adopt a structure that can change the light path, such as a reflective surface, a prism, etc., so as to guide the light beam.
  • the vehicle light may be a vehicle beacon light
  • the vehicle beacon light includes a lamp that forms a logo corresponding to a vehicle such as a pattern or text.
  • the vehicle logo according to the present application adopts the intermediate film 130 in the outer lens 100 to form the vehicle logo.
  • a method for manufacturing the outer lens 100 according to the present application includes step S1, step S2, and step S3.
  • step S1 the intermediate film 130 is pressed; the intermediate film includes at least one intermediate reflective layer 1301.
  • the intermediate film 130 includes at least one intermediate light outlet 131;
  • the structure of the intermediate film 130 can refer to the foregoing specification, which will not be repeated here.
  • the intermediate film can be pressed in different ways.
  • the IML film When used, it can be realized by the corresponding injection molding process of the in-membrane insert.
  • the shape of the intermediate film and the pattern formed by the light-shielding portion can be determined by actual requirements and conditions, and are not limited to the cases described in the examples.
  • step S2 injection molding is performed on one side of the intermediate film 130 to obtain the first lens portion 110.
  • the method according to the present application further includes step S2'.
  • step S2' injection molding is performed on the other side of the intermediate film 130 to obtain the second lens portion 120.
  • step S2 can be executed first and then executed In step S2', it is also possible to perform step S2' first and then perform step S2.
  • step S2' first and then perform step S2.
  • specific structures of the first lens portion 110 and the second lens portion 120 can be determined according to actual conditions and requirements.
  • the method according to this embodiment further includes step S3.
  • step S3 a first reflective layer 112 is added on the first lens portion 110.
  • the method according to this embodiment further includes a step of adding a light shielding layer on the first reflective layer 112.
  • the method further includes step S4.
  • step S4 at least a partial area of the intermediate reflective layer and/or the first reflective layer is subjected to reflection reduction processing or reflection enhancement processing.
  • the determined regions to be processed of the intermediate reflective layer and/or the first reflective layer are respectively subjected to reflection reduction processing or reflection enhancement processing.
  • reflection reduction processing may be performed on a part of the area, and reflection enhancement processing may be performed on another part of the area.
  • the area to be processed needs to be divided into an area to be enhanced or an area to be weakened.
  • only part of the outer lenses can be detected for light emission and the area to be processed can be determined, and the corresponding areas of all the outer lenses can be subjected to reflection enhancement processing or reflection reduction processing.
  • the design of the first outer lens can effectively reduce the overall thickness of the optical structure, so that it can meet more stringent thickness requirements. While meeting the needs of styling, it ensures the quality of the light and improves the efficiency of the light.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种外透镜(100),包括:第一透镜部(110)和反射部,反射部设置在第一透镜部(110)的至少一侧,与第一透镜部(110)紧密接触,并且可反射进入第一透镜部(100)的光束,以使得光束在第一透镜部(110)内部传播。还涉及具有外透镜(100)的车灯、车辆和外透镜(100)的制造方法。相比现有技术,外透镜(100)的结构更加紧凑,车灯整体体积更小,出光更加均匀。

Description

外透镜、相应的车灯和车辆及方法 技术领域
本申请涉及光学技术领域,具体地涉及一种外透镜、相应的车灯和车辆及方法。
背景技术
在车灯领域现有技术中,外透镜通常仅被用于实现出光功能,亦即,对于光束的处理过程主要集中于内透镜部分,而当光束到达外透镜后即直接出射。然而,该种情况下,其所需的内透镜往往需要占用较大的空间,从而导致车灯整体空间较大。
申请内容
有鉴于此,本申请的一个实施例解决的问题之一是使车灯整体所需空间更小。
根据本申请的一个方面,提供一种外透镜,其中,所述外透镜包括:
第一透镜部;和
反射部,反射部设置在第一透镜部的至少一侧,与第一透镜部紧密接触,并且可反射进入第一透镜部的光束,以使得光束在第一透镜部内部传播。
传统的光导依赖空气进行光的传播,而根据本申请的实施例,第一透镜部和反射部之间没有空气,光束依赖反射部的反射在第一透镜部内部传播,这与传统光导的原理不同,提供了一种新的光的传播方式;另外,由于外透镜内可以没有空气层,外透镜会更加紧凑,所占空间更小。
根据本申请的一个实施例,反射部包括设置在第一透镜部一侧的中间膜,中间膜包括中间反射层,中间反射层可反射进入第一透镜部的光束,以使得光束在第一透镜部内部传播。
根据本申请的一个实施例,中间膜采用IML膜来实现。
通过采用IML膜,可使外透镜呈现各种所需的图案与样式。
根据本申请的一个实施例,中间膜还包括以下至少一种涂层:
-中间遮光层;
-中间保护层;
-粘合层。
通过中间遮光层,可以避免在第一透镜部中传播的光束从中间反射层侧漏出;通过中间保护层,可以保护中间膜;通过粘合层,可以将中间膜与其他部件粘合;通过匀光层,出射光整体更加均匀。
根据本申请的一个实施例,中间膜可形成所需的图案。
根据本申请的一个实施例,反射部还包括设置在第一透镜部的与中间膜所在侧相对的一侧上的第一反射层,第一反射层可反射进入第一透镜部的光束,以使得光束可在第一透镜部内部传播。
通过采用两侧反射的结构,能够进一步提高外透镜内部的光束传播效率,减少光能损耗。
根据本申请的一个实施例,中间反射层和/或第一反射层包括至少一个反射处理区,反射处理区为对反射层进行反射减弱或反射增强处理后的区域。对于过亮区域,通过反射处理区减少反射,可减少过亮区域的出射光,减少出光亮度;类似的,对过暗区域,通过反射处理区增加反射,可增加过暗区域的出射光,增加出光亮度。如此能够有效的避免过亮/过暗区域的产生,使得整体出光更加均匀,并且,仅针对部分区域进行反射处理,其工艺更加简单,效率更高。
根据本申请的一个实施例,反射减弱处理包括:
-在中间反射层和/或第一反射层上增加有色点;和/或
-在中间反射层和/或第一反射层上采用可减少反射的光学结构。
根据本申请的一个实施例,反射增强处理包括:
-在中间反射层和/或第一反射层上镀铝。
根据本申请的一个实施例,外透镜还包括至少一个入光口和至少一个中间出光口,至少一个中间出光口设置在第一透镜部的具有反射部的一侧,光束经由至少一个入光口进入第一透镜部,在第一透镜部内部传播,以到达至少一个中间出光口。
入光口和中间出光口可以相距较远的位置,从而为光源的位置提供了更为灵活的选择。同时,经过多次外透镜内的传输,最后的出光将更加均匀。
根据本申请的一个实施例,与至少一个中间出光口位于同一侧的反射部采用中间膜来实现,其中,中间膜的部分结构或者中间膜的镂空形成中间出光口。
根据本申请的一个实施例,中间膜采用IML膜来实现。
通过采用IML膜可使外透镜呈现各种所需的图案与样式,而由于光源位置具有更加灵活的选择,从而外透镜可呈现的图案和样式更加丰富。
根据本申请的一个实施例,至少一个入光口设置在第一透镜部的与至少一个中间出光口所在侧相对的一侧。
根据本申请的一个实施例,来自一个入光口的光束可以到达一个或多个中间出光口。
来自一个入光口的光束可到达一个或多个不同位置的中间出光口,这使得一个光源可以覆盖更多区域。
根据本申请的一个实施例,来自一个入光口的至少部分光束可经过至少一次反射后到达一个中间出光口。
光束经由多次反射后到达中间出光口,这扩展了光束能够点亮的区域。
根据本申请的一个实施例,外透镜还包括第二透镜部,中间膜位于第一透镜部和第二透镜部之间,并且,至少一个中间出光口可使得来自第一透镜部的光束进入第二透镜部。
根据本申请的一个实施例,第一透镜部、中间膜以及第二透镜部彼此间紧密贴合。
根据本申请的一个实施例,第一透镜部、中间膜以及第二透镜部为一体件。
通过使得第一透镜部、中间膜以及第二透镜部彼此间紧密贴合,可以使得外透镜的结构更加紧凑。
根据本申请的另一个方面,提供了一种车灯,其中,
车灯包括以上任意一种外透镜,以及与外透镜对应的至少一个光源。
根据本申请的一个实施例,车灯进一步包括至少一个内透镜;内透镜用于将来自光源的光束引导至外透镜的入光口,以进入第一透镜部。
由于内透镜仅在光源与外透镜入光口之间被需要,从而极大的缩减了所需要的内透镜的体积,从而减少了车灯整体所需的体积。
根据本申请的一个实施例,车灯为车标(Logo)灯。
根据本申请的另一个方面,提供了一种车辆,车辆包括以上任意一种车灯。
根据本申请的另一个方面,提供了一种外透镜的制造方法,其中,方法包括以下步骤:
压制中间膜,中间膜至少包括中间反射层;
在中间膜一侧注塑,以获得第一透镜部,其中,中间膜作为反射部反射进入第一透镜部的光束,以使得光束在第一透镜部内部传播。
根据本申请的一个实施例,压制中间膜还包括使得中间膜形成至少一个中间出光口,并且方法还包括以下步骤:
在中间膜另一侧注塑,以获得第二透镜部。
根据本申请的一个实施例,方法还包括以下步骤:
在第一透镜部的另一侧增加第一反射层。
根据本申请的一个实施例,方法还包括以下步骤:
在中间反射层和/或第一反射层的至少部分区域进行进行反射减弱处理或反射增强处理。
根据本申请的一个实施例,反射减弱处理包括:
-在中间反射层和/或第一反射层的部分区域上增加有色点;或
-在中间反射层和/或第一反射层的部分区域上采用可减少反射的光学结构。
根据本申请的一个实施例,反射增强处理包括:
-在中间反射层和/或第一反射层的部分区域上镀铝。
与现有技术相比,本申请具有以下优点,外透镜的结构更加紧凑,车灯整体体积更小,出光更加均匀。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述,本申请的其它特征、目的和优点将会变得更明显:
图1示意出了根据本申请的一个优选实施例的车灯的部分的结构示意图;
图2示意出了根据本申请的又一个实施例的车灯的结构示意图;
图3示意出了根据本申请的又一个实施例的车灯的结构示意图;
图4示意出了根据本申请的一个优选实施例的外透镜的层次示意图;
部件标记列表:
100 外透镜 200 内透镜
300 光源 110 第一透镜部
120 第二透镜部 130 中间膜
111 入光口 112 第一反射层
113 反射处理区 131 中间出光口
114 第一遮光层 121 外保护层
1301 中间反射层 1302 中间遮光层
1304 粘合层 1305 匀光层
1306 基质层 210 入光部
220 引导部    
具体实施方式
下面将参照附图更详细地描述本申请的优选实施方式。虽然附图中显示了本申请的优选实施方式,然而应该理解,可以以各种形式实现本申请而不应被这里阐述的实施方式所限制。相反,提供这些实施方式是为了使本申请更加透彻和完整,并且能够将本申请的范围完整的传达给本领域的技术人员。
根据本申请的实施例公开了一种外透镜100,采用该外透镜100的车灯,以及包含该车灯的车辆。
其中,光束可经由所述外透镜最终出射。例如,当用于车灯时,光束穿过外透镜后最终出射于车灯外部。
参考图1至图4。
根据本申请的一个实施例,外透镜100包括第一透镜部110,所述第一透镜部110的至少一侧具有反射部,该反射部与第一透镜部110紧密接触,并可反射进入第一透镜部110的光束,以使得光束在所述第一透镜部110中实现无空气传播。
具体地,光束进入该第一透镜部110后,由至少一侧的反射部反射传播,使得光束无需经由光导或空气等介质,即可在第一透镜部110中扩散传播,亦即,在外透镜100中传播。
根据本实施例的一个优选方案,其中,所述外透镜100还包括中间膜130,所述中间膜130用于实现该第一透镜部110一侧的反射部。
其中,需要说明的是,所述第一透镜部110的内侧面可以是不平整的。
优选地,所述中间膜130至少包括中间反射层1301,该中间反射层1301与所述第一透镜部110贴合。
更优选地,该中间膜130还可包括以下至少任一种涂层:
1)中间遮光层1302;优选地,该中间遮光层1302位于中间反射层1301之后,以避免在第一透镜部110中传播的光束从中间反射层1301侧漏出。(本说明书中所述“前”、“后”以光束从光源出射方向为参考,靠近光源为“前”,远离光源为“后”。)
2)中间保护层;用于保护中间膜130;
3)粘合层1304:用于将所述中间膜130与其他部件粘合。
更优选地,上述涂层中的一种或多种可以由同一层来实现。
例如,一涂层可以同时实现保护功能和粘合功能,亦即其既为保护层,同时也是粘合层。
根据本申请的一个优选实施例,根据本实施例的第一透镜部110的另一侧反射部由第一反射层112来实现。
更优选地,该另一侧反射部还可包括第一遮光层114,以减少在第一透镜部110中传播的光束从该第一反射层侧112侧漏出。
根据本申请的一个优选实施例,其中,所述第一透镜部110具有至少一个入光口111,所述入光口111为一凹陷结构。
根据本申请的又一个优选实施例,入光口111可以为第一透镜部110上的凸起结构(图未示)等。
本领域技术人员应可理解,前述举例仅用于对入光口111进行解释说明以便于理解,而非对于权项的限制。任何可实现光束入射的结构均可能构成本申请中所述的入光口111。
具体地,该第一透镜部110的入光口111,用于至少容纳内透镜200的部分,以使得由内透镜200出射的光束可入射至第一透镜部110。
根据本申请的又一个优选实施例,其中,所述外透镜100还包括第二透镜部120,其中,所述中间膜130位于所述第一透镜部110和所述第二透镜部120之间,并且,所述中间膜130上具有中间出光口131,以使得来自第一透镜部110的光束可进入第二透镜部120,并经由所述第二透镜部120出射。
更优选地,该第二透镜部120后方还包括外保护层121。
外保护层121用于保护第二透镜部120。例如,保护第二透镜部120承受环境影响(如紫外线,高温高湿等),也可避免透镜直接与其他部件接触刮花。
根据本申请的一个优选实施例,其中,所述中间膜130可以包括中间出光口131。
具体地,所述中间出光口131可以由:
1)中间膜130的镂空来实现;亦即,从第一透镜部110出射的光束穿过中间膜130的空隙出射;或者
2)中间膜130中的匀光层1305来实现。具体地,参考图3,图3所示的匀光层1305间隔在中间反射层1301等涂层中,使得从第一透镜部110出射的光束均匀化后出射。
根据本实施例的一个优选方案,其中,第一透镜部110可具有与中间膜130的中间出光口131相匹配的凸起或凹陷结构。
例如,当中间膜130采用镂空空隙来实现中间出光口131时,第一透镜部110可在空隙相应部位具有略微凸起的结构,以填充该空隙;又例如,当中间膜130采用匀光层1305时,第一透镜部在匀光层部分可具有略微凹陷的结构,以使得匀光层1305具有足够的厚度等。
优选地,所述中间膜130可以形成所需的图案,诸如文字、图像等。
例如,由中间反射层1301、中间遮光层1302以及保护层1304来构 成中间膜130的遮光部,且该遮光部整体形成“MOTOR”字样,文字间隙用透光的匀光层1305来实现。
更优选地,所述中间膜可以采用IML(Inner Molding Lable)膜来实现。
优选地,当采用IML膜来实现该中间膜时,其还具有基质层1306,前述各层均可位于该基质层1306上。
根据本申请的一个优选实施例,其中,所述第一透镜层110的侧面可以至少部分地具有微小凹凸结构,所述微小凹凸结构可以呈现规则或不规则的分布。
具体地,所述第一透镜层110的两个侧面可以均为光滑面,也可以为非光滑面。
优选地,第一透镜层110的至少一个侧面的部分区域包括微小凹凸结构(图未示)。其中,所述微小凹凸结构可以为诸如棱镜结构、锯齿结构、枕型结构等等等结构中的一种或多种。
其中,第一透镜部110,中间膜130以及第二透镜部120彼此间紧密贴合,亦即,外透镜100中无空气存在。
更优选地,所述第一透镜部110、中间膜130和所述第二透镜部120可以为一体件。
根据本实施例的方案,光束在该方案的外透镜中可以实现无空气传播,缩小了部件之间的空隙,使得外透镜整体更加紧凑。
根据本申请的又一个实施例,所述外透镜100具有至少一个入光口111和至少一个中间出光口131,其中,所述光束经由所述至少一个入光口111进入所述外透镜100后,在所述外透镜100内部传播,以到达所述至少一个中间出光口。
具体地,根据本实施例的外透镜100包括第一透镜部110,该第一透镜部110至少一个侧具有反射部,以使得光束可在该第一透镜部内部传播。其中,所述第一透镜部110以及至少一侧反射部的实现可参考前述说明书的记载,此处不再赘述。
其中入光口111位于所述第一透镜部110的一侧,中间出光口131位于所述第一透镜部110的另一侧。
其中,中间出光口131可以由中间膜130实现,也可以由中间膜130与第一透镜部110结合实现。具体可参考前述说明书记载,此处不再赘述。
根据本实施例的一个优选方案,来自一个入光口111的光束可以到达一个或多个所述中间出光口131。
根据本实施例的一个优选方案,来自一个入光口111的至少部分光束 可经过至少一次反射后到达一个中间出光口131。
根据本实施例的一个优选方案,所述外透镜100还包括第二透镜部120,其中,所述第二透镜部120位于所述中间出光口131的一侧,光束可经由所述中间出光口131从所述第一透镜部110出射至所述第二透镜部120,并最终射出外透镜100。
根据本申请的又一个实施例,参考图1或图2。图1或图2所示的外透镜100包括第一透镜部110,第二透镜部120,以及中间膜130。
其中,所述中间膜130位于所述第一透镜部110和所述第二透镜部120之间,并且,所述中间膜130包括至少一个中间出光口131,所述中间出光口131使光束可从所述第一透镜部110进入所述第二透镜部120;并且所述第一透镜部110包括至少一个入光口111,以及位于与所述中间膜130相对的一侧的第一反射层120。
具体地,当光束从入光口111进入第一透镜部110后,可通过第一反射层111和/或中间膜130的中间反射层1301的反射功能,被一次或多次地反射,亦即,在该第一透镜部110内部传播。
其中,本领域技术人员应可理解,根据本方案的第一反射层112与中间反射层1301的材料可以相同也可以不同,仅需其能够实现反射即可,例如,PC(Polycarbonate)反射膜,铝层等。
根据本申请的一个优选实施例,参考图3,其中,所述中间反射层1301和/或所述第一反射层112包括至少一个反射处理区113,所述反射处理区113为对反射层进行反射减弱处理或反射增强处理后的区域。
需要说明的是,所述反射处理区113指的是,该区域的反射能力在处理后相对于未处理前变弱/变强,而非与其他区域相比较弱/较强。
具体地,所述反射减弱处理包括但不限于以下至少任一种:
1)在中间反射层1301和/或所述第一反射层112的至少一个区域上增加有色点;更优选地,反射减弱处理包括在中间反射层1301和/或第一反射层112的至少一个区域上增加黑点的区域;或者
2)在中间反射层1301和/或所述第一反射层112的至少一个区域上采用可减少反射的光学结构;例如,减少光束从出口射出的斜面或锯齿面等。
具体地,所述反射增强处理包括但不限于:在在中间反射层1301和/或所述第一反射层112的至少一个区域上镀铝.
本领域技术人员应可理解,根据本申请所述的反射处理包括但不限于前述已经提及的处理方式,例如,还可通过在反射层的部分区域增加一层可部分吸收光束的膜来实现反射减弱处理等。本说明书中的举例仅用于对权项进行解释,而非对权项的限制。
根据本申请的车灯,包括外透镜100,和与所述外透镜100对应的至少一个光源300。
优选地,外透镜100包括至少一个入光口111,所述至少一个光源300与所述至少一个入光口111分别对应。
更优选地,所述车灯进一步包括至少一个内透镜200;所述内透镜200用于将来自所述光源300的光束引导至所述外透镜100的入光口111,以进入所述外透镜100。
具体地,内透镜200包括入光部210和引导部220。其中,入光部210用于接受来自光源300的光束,优选地,入光部210可采用弧形等适合聚光的形状。
其中,引导部220用于将光束引导至与外透镜100的入光口111对应的方向。引导部220可采用多种结构来实现,例如,如图1的内透镜200中,其引导部220采用弧形面,当入射光以一定角度入射至该内透镜200后,其在该弧形面被反射以进入外透镜100。
根据本实施例的一个优选方案,内透镜200的引导部220也可采用诸如反射面、棱镜等可改变光路的结构,以实现对光束的引导。
优选地,该车灯可以为车标灯,所述车标灯包括形成与车辆对应的图案或文字等的标志的灯。
优选地,根据本申请的车标采用外透镜100中的中间膜130来形成车标。
根据本申请的一种外透镜100的制造方法,包括步骤S1,步骤S2以及步骤S3。
在步骤S1中,压制中间膜130;所述中间膜包括至少一中间反射层1301。
所述中间膜130包括至少一个中间出光口131;
其中,所述中间膜130的结构可参考前述说明书,此处不再赘述。
该中间膜可基于不同的方式压制,当采用IML膜时,可采用相应的膜内镶件注塑工艺来实现。
本领域技术人员应可理解,中间膜的形状和其遮光部所形成的图案可以由实际需求和情况来决定,而不限于举例所述的情形。
接着,在步骤S2中,在所述中间膜130的一侧注塑,以获得第一透镜部110。
优选地,根据本申请的方法还包括步骤S2’。
在步骤S2’中,在所述中间膜130的另一侧注塑,以获得第二透镜部120。
本领域技术人员应可理解,第一透镜部与第二透镜部的注塑顺序不 影响其最终产品,亦即,在生产包括第二透镜部的外透镜的过程中,可以先执行步骤S2再执行步骤S2’,也可以先执行步骤S2’再执行步骤S2。并且,第一透镜部110和第二透镜部120的具体结构可根据实际情况和需求来确定。
优选地,根据本实施例的方法还包括步骤S3。
在步骤S3中,在第一透镜部110上增加第一反射层112。
更优选地,根据本实施例的方法还包括在第一反射层112上增加遮光层的步骤。
根据本方案的一个优选实施例,其中,所述方法还包括步骤S4。
在步骤S4中,在所述中间反射层和/或第一反射层的至少部分区域进行进行反射减弱处理或反射增强处理。
优选地,在获得一个或多个外透镜100后,基于对已获得的外透镜100的出光检测,来确定亮度高于或低于其他区域的一个或多个出光口,并选择中间反射层和/或第一反射层中可将光束反射至该出光口的区域中的部分或全部,作为需要进行反射减弱处理或反射增强处理的待处理区域。
然后,对所确定的所述中间反射层和/或第一反射层的各个待处理区域分别进行反射减弱处理或反射增强处理。
更优选地,可对部分区域进行反射减弱处理,对另一部分区域进行反射增强处理。
本领域技术人员应可理解,此时,需将待处理区域区分为待增强区域或待减弱区域。
更优选地,可仅对部分外透镜进行出光检测并确定待处理区域,并对所有外透镜的相应的区域进行反射增强处理或反射减弱处理。
其中,反射增强处理或反射减弱处理的具体方式已在前述说明书中进行说明,不再赘述。
通过采用本申请的光学结构,第一外透镜的设计能够有效地减少光学结构的整体厚度,使其能够满足更加苛刻的厚度要求。在满足造型需求的同时,保证了出光质量,并提高了出光效率。
对于本领域技术人员而言,显然本申请不限于上述示范性实施例的细节,而且在不背离本申请的精神或基本特征的情况下,能够以其他的具体形式实现本申请。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本申请的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化涵括在本申请内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。此外,显然“包括”一词不排除其他单元或步骤,单 数不排除复数。系统权利要求中陈述的多个单元或装置也可以由一个单元或装置通过软件或者硬件来实现。第一,第二等词语用来表示名称,而并不表示任何特定的顺序。

Claims (28)

  1. 一种外透镜(100),其特征在于,所述外透镜(100)包括:
    第一透镜部(110);和
    反射部,所述反射部设置在所述第一透镜部(110)的至少一侧,与所述第一透镜部(110)紧密接触,并且可反射进入所述第一透镜部(110)的光束,以使得光束在所述第一透镜部(110)内部传播。
  2. 根据权利要求1所述的外透镜(100),其特征在于,所述反射部包括设置在所述第一透镜部(110)一侧的中间膜(130),所述中间膜(130)包括中间反射层(1301),所述中间反射层(1301)可反射进入所述第一透镜部(110)的光束,以使得光束在所述第一透镜部(110)内部传播。
  3. 根据权利要求2所述的外透镜(100),其特征在于,所述中间膜(130)采用IML膜来实现。
  4. 根据权利要求2或3所述的外透镜(100),其特征在于,所述中间膜(130)还包括以下至少一种涂层:
    -中间遮光层(1302);
    -中间保护层;
    -粘合层(1304)。
  5. 根据权利要求2至4中任一项所述的外透镜(100),其特征在于,所述中间膜(130)可形成所需的图案。
  6. 根据权利要求2至5中任一项所述的外透镜(100),其特征在于,所述反射部还包括设置在所述第一透镜部(110)的与所述中间膜(130)所在侧相对的一侧上的第一反射层(112),所述第一反射层(112)可反射进入所述第一透镜部(110)的光束,以使得光束可在所述第一透镜部(110)内部传播。
  7. 根据权利要求6所述的外透镜(100),其特征在于,所述中间反射层(1301)和/或所述第一反射层(112)包括至少一个反射处理区(113),所述反射处理区(113)为对反射层进行反射减弱或反射增强处理后的区域。
  8. 根据权利要求7所述的外透镜(100),其特征在于,所述反射减弱处理包括:
    -在中间反射层(1301)和/或所述第一反射层(112)上增加有色点;和/或
    -在中间反射层(1301)和/或所述第一反射层(112)上采用可减少反射的光学结构。
  9. 根据权利要求7所述的外透镜(100),其特征在于,所述反射增强处理包括:
    -在所述中间反射层(1301)和/或所述第一反射层(112)上镀铝。
  10. 根据权利要求1所述的外透镜(100),其特征在于,所述外透镜(100)还包括至少一个入光口(111)和至少一个中间出光口(131),所述至少一个中间出光口(131)设置在所述第一透镜部(110)的具有所述反射部的一侧,光束经由所述至少一个入光口(111)进入所述第一透镜部(110),在所述第一透镜部(110)内部传播,以到达所述至少一个中间出光口(131)。
  11. 根据权利要求10所述的外透镜(100),其特征在于,与所述至少一个中间出光口(131)位于同一侧的所述反射部采用中间膜(130)来实现,其中,所述中间膜(130)的部分结构或者所述中间膜(130)的镂空形成所述中间出光口(131)。
  12. 根据权利要求11所述的外透镜(100),其特征在于,所述中间膜(130)采用IML膜来实现。
  13. 根据权利要求10至12中任一项所述的外透镜(100),其特征在于,所述至少一个入光口(111)设置在所述第一透镜部(110)的与所述至少一个中间出光口(131)所在侧相对的一侧。
  14. 根据权利要求13所述的外透镜(100),其特征在于,来自一个入光口(111)的光束可以到达一个或多个中间出光口(131)。
  15. 根据权利要求13或14所述的外透镜(100),其特征在于,来 自一个入光口(111)的至少部分光束可经过至少一次反射后到达一个中间出光口(131)。
  16. 根据权利要求11或12所述的外透镜(100),其特征在于,所述外透镜(100)还包括第二透镜部(120),所述中间膜(130)位于所述第一透镜部(110)和所述第二透镜部(120)之间,并且,所述至少一个中间出光口(131)可使得来自所述第一透镜部(110)的光束进入所述第二透镜部(120)。
  17. 根据权利要求16所述的外透镜(100),其特征在于,所述第一透镜部(110)、所述中间膜(130)以及所述第二透镜部(120)彼此间紧密贴合。
  18. 根据权利要求17所述的外透镜(100),其特征在于,所述第一透镜部(110)、所述中间膜(130)以及所述第二透镜部(120)为一体件。
  19. 一种车灯,其特征在于,
    所述车灯包括如权利要求1至18中任一项所述的外透镜(100),以及与所述外透镜(100)对应的至少一个光源(300)。
  20. 根据权利要求19所述的车灯,其特征在于,所述车灯进一步包括至少一个内透镜(200);所述内透镜(200)用于将来自所述光源(300)的光束引导至所述外透镜(100)的入光口(111),以进入所述第一透镜部(110)。
  21. 根据权利要求19或20所述的车灯,其特征在于,所述车灯为车标(Logo)灯。
  22. 一种车辆,其特征在于,所述车辆包括如权利要求19至21中任一项所述的车灯。
  23. 一种外透镜的制造方法,其特征在于,所述方法包括以下步骤:
    压制中间膜(130),所述中间膜(130)至少包括中间反射层 (1301);
    在所述中间膜(130)一侧注塑,以获得第一透镜部(110),其中,所述中间膜(130)作为反射部反射进入所述第一透镜部(110)的光束,以使得光束在所述第一透镜部(110)内部传播。
  24. 根据权利要求23所述的方法,其特征在于,所述压制中间膜(130)还包括使得所述中间膜(130)形成至少一个中间出光口(131),并且所述方法还包括以下步骤:
    在所述中间膜(130)另一侧注塑,以获得第二透镜部(120)。
  25. 根据权利要求23或24所述的方法,其特征在于,所述方法还包括以下步骤:
    在所述第一透镜部(110)的另一侧增加第一反射层(112)。
  26. 根据权利要求25所述的方法,其特征在于,所述方法还包括以下步骤:
    在所述中间反射层(1301)和/或第一反射层(112)的至少部分区域进行进行反射减弱处理或反射增强处理。
  27. 根据权利要求26所述的方法,其特征在于,所述反射减弱处理包括:
    -在所述中间反射层(1301)和/或第一反射层(112)的部分区域上增加有色点;或
    -在所述中间反射层(1301)和/或第一反射层(112)的部分区域上采用可减少反射的光学结构。
  28. 根据权利要求26所述的方法,其特征在于,所述反射增强处理包括:
    -在所述中间反射层(1301)和/或第一反射层(112)的部分区域上镀铝。
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