WO2017222227A1 - 차량용 램프 및 이를 포함하는 차량 - Google Patents

차량용 램프 및 이를 포함하는 차량 Download PDF

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Publication number
WO2017222227A1
WO2017222227A1 PCT/KR2017/006113 KR2017006113W WO2017222227A1 WO 2017222227 A1 WO2017222227 A1 WO 2017222227A1 KR 2017006113 W KR2017006113 W KR 2017006113W WO 2017222227 A1 WO2017222227 A1 WO 2017222227A1
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WO
WIPO (PCT)
Prior art keywords
unit
film
optical film
disposed
forming
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2017/006113
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
최영재
박광호
장재혁
이동현
양현덕
한사름
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Innotek Co Ltd
Original Assignee
LG Innotek Co Ltd
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 LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Priority to JP2018566376A priority Critical patent/JP7005532B2/ja
Priority to EP17815640.2A priority patent/EP3477185B1/en
Priority to US16/310,695 priority patent/US10723045B2/en
Publication of WO2017222227A1 publication Critical patent/WO2017222227A1/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
    • B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/005—Compensating volume or shape change during moulding, in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/0055—Shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • 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
    • F21V5/00—Refractors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C2045/1486—Details, accessories and auxiliary operations
    • B29C2045/14901—Coating a sheet-like insert smaller than the dimensions of the adjacent mould wall
    • B29C2045/14918—Coating a sheet-like insert smaller than the dimensions of the adjacent mould wall in-mould-labelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/003—Refractors for light sources using microoptical elements for redirecting or diffusing light using holograms
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis

Definitions

  • the embodiment relates to a vehicle lamp and a vehicle including the 3D film is disposed.
  • the lighting device is developing into a three-dimensional lighting through the form of points, lines, planes.
  • 3D three-dimensional lighting in which a plurality of LED light sources are arranged in a fluorescent lamp or a three-dimensional structure twisted three-dimensionally through an incandescent lamp in the form of a point light source, a fluorescent lamp in the form of a linear light source, and an LED plane light in the form of a surface light source. It's going on.
  • 3D stereoscopic illumination generally refers to arranging a plurality of light sources in a three-dimensional structure and lighting a plurality of three-dimensional light sources arranged in various forms. Such 3D stereoscopic lighting may be applied to a building exterior wall or a vehicle lighting device.
  • the three-dimensional lighting device for a vehicle applied to some high-end models provides three-dimensional lighting by placing a plurality of LED light sources in a three-dimensional structure, such as a stepped structure installed along a curved surface of the vehicle, and reflecting light through a mirror formed on the inner surface of the three-dimensional structure. It is configured to.
  • the conventional three-dimensional lighting device for a vehicle is installed three-dimensional lighting based on the three-dimensional structure, in order to create a natural three-dimensional lighting to closely arrange a plurality of LED lights between the three-dimensional structure or to gradually increase the brightness of the plurality of LED lights or Complex controls and control processes are required, such as dark control, and this environment has the disadvantage of eventually increasing costs.
  • It provides a vehicle lamp that can improve the design freedom of the vehicle lamp to increase the aesthetics, simplify the manufacturing process to improve productivity.
  • Embodiments to be solved by the embodiments are not limited to the above-mentioned problems, and other problems not mentioned herein will be clearly understood by those skilled in the art from the following description.
  • the lens unit And a light source unit irradiating light toward the lens unit, wherein the lens unit has at least one curved surface; And a film unit disposed on one side of the main body and forming a 3D stereoscopic image using the light, wherein the film unit comprises a plurality of unit optical films forming a 3D stereoscopic image; And a base film disposed between the unit optical film and the main body, wherein the slits are formed between the unit optical films as the plurality of unit optical films are spaced apart at a predetermined distance d2. Achieved by a vehicle lamp.
  • the unit optical film may be formed by printing on one side of the base film.
  • the separation distance d2 between the unit optical films for forming the slits based on the width W of the unit optical film may fall within the following range.
  • W width of unit optical film
  • d2 separation distance between unit optical film
  • a pattern for forming a 3D stereoscopic image may be formed on at least one of one side or the other side of the unit optical film.
  • the plurality of patterns may be spaced apart by a predetermined distance d.
  • a pattern for forming a 3D stereoscopic image is formed on each of one side and the other side of the unit optical film, the pattern formed on the other side with respect to the longitudinal direction of the pattern formed on one side may be inclined at a predetermined angle.
  • the plurality of patterns may be spaced apart from each other by a predetermined distance d1.
  • the lens unit And a light source unit irradiating light toward the lens unit
  • the lens unit comprises: a body having at least one curved surface; And a film unit disposed at one side of the main body and forming a 3D stereoscopic image using the light, wherein the film unit comprises: a plurality of first unit optical films forming a 3D stereoscopic image; A plurality of second unit optical films forming a 3D stereoscopic image; And a base film, wherein the first unit optical film and the second unit optical film are achieved by a vehicle lamp disposed on one side of the base film to be spaced apart by a predetermined distance d3.
  • the first unit optical film disposed on one side of the base film may be formed in at least one of a triangle, a square, or a trapezoid.
  • a pattern for forming a 3D stereoscopic image may be formed on at least one of one side or the other side of each of the first unit optical film and the second unit optical film.
  • the plurality of patterns may be spaced apart by a predetermined distance d.
  • a pattern for forming a 3D stereoscopic image is formed on one side and the other side of each of the first unit optical film and the second unit optical film, respectively, which is formed on the other side based on the longitudinal direction of the pattern formed on one side
  • the pattern may be disposed to be inclined at a predetermined angle.
  • the plurality of patterns may be spaced apart from each other by a predetermined distance d1.
  • the lens unit A light source unit for irradiating light toward the lens unit, the lens unit including a main body having at least one curved surface; and a film unit disposed on one side of the main body to form a 3D stereoscopic image using the light;
  • the lens unit is achieved by a vehicle lamp that is injected in an in-mold labeling (IML) method using a mold.
  • IML in-mold labeling
  • the film unit optical film forming a 3D stereoscopic image; And a base film disposed between the optical film and the main body.
  • a pattern for forming a 3D stereoscopic image may be formed on at least one of one side or the other side of the optical film.
  • the plurality of patterns may be spaced apart by a predetermined distance d.
  • the pattern formed on the other side based on the longitudinal direction of the pattern formed on one side may be inclined at a predetermined angle.
  • the plurality of patterns may be spaced apart from each other by a predetermined distance d1.
  • the adhesive layer may be further disposed between the base film and the main body so that the adhesion to the base film is adhered to the main body.
  • the optical film may further include a protective film disposed on one side of the optical film to protect the optical film.
  • a reflective layer may be further disposed between the optical film and the protective film to improve reflectivity to increase light efficiency of the light.
  • An anti-oxidation layer may be further disposed between the reflective layer and the protective film to prevent oxidation of the reflective layer containing aluminum or silver.
  • the antioxidant layer may be formed by containing silicon or stainless.
  • the housing A lens unit; And a light source unit irradiating light toward the lens unit, wherein the lens unit includes a main body having at least one curved surface; and a film unit disposed on one side of the main body to form a 3D stereoscopic image using the light.
  • the lens unit is achieved by a vehicle that is injected in an in-mold labeling (IML) method using a mold.
  • IML in-mold labeling
  • the light source unit may be disposed in at least one of one side or the other side of the main body, and the light irradiated from the light source unit may be irradiated toward the film unit through the main body.
  • the vehicle lamp according to the embodiment having the above configuration uses a film capable of forming a 3D stereoscopic image, it is possible to improve design freedom, increase aesthetics, and simplify the manufacturing process to improve productivity.
  • the vehicle lamp according to the embodiment uses a film capable of forming a 3D stereoscopic image, the degree of freedom of arrangement of the light source unit can be improved. Therefore, it is possible to improve the space utilization than a vehicle lamp using a conventional three-dimensional structure.
  • the lens unit of the vehicle lamp may be injected by an in-mold labeling (IML) method using a mold. Accordingly, it is possible to produce an injection molded product for the lens unit of various designs by changing only the optical film forming the 3D stereoscopic image, and thus it is applicable to the design of a rapidly changing vehicle lamp.
  • IML in-mold labeling
  • FIG. 1 is a perspective view of a vehicle lamp according to an embodiment
  • FIG. 2 is a view showing a lens unit of the vehicle lamp according to the embodiment
  • FIG. 3 is a diagram illustrating a structure of a lens unit based on the line A-A of FIG. 2;
  • FIG. 4 is a view showing a first embodiment in which the pattern of the light source unit and the optical film of the vehicle lamp according to the embodiment is arranged on the light source unit side,
  • FIG. 5 is a view showing a second embodiment in which the pattern of the light source unit and the optical film of the vehicle lamp according to the embodiment is disposed on the opposite side of the light source unit,
  • FIG. 6 is a view showing a third embodiment in which a pattern of a light source unit and an optical film of the vehicle lamp according to the embodiment is formed on one side and the other side of the optical film,
  • FIG. 7 is a view illustrating a fourth embodiment in which a pattern of a light source unit and an optical film of a vehicle lamp is formed at one side and the other side of the optical film, and the direction of the pattern is different;
  • FIG. 8 is a view showing another embodiment of a lens unit disposed in a vehicle lamp according to the embodiment.
  • FIG. 9 is a diagram illustrating a base film and a plurality of unit optical films of a vehicle lamp according to an embodiment
  • FIG. 10 is a view showing a cross section of the lens unit of the vehicle lamp according to the embodiment.
  • FIG. 11 is a view showing still another embodiment of a lens unit disposed in a vehicle lamp according to the embodiment.
  • FIG. 12 is a view illustrating a base film, a plurality of first unit optical films, and a plurality of second unit optical films of a vehicle lamp according to an embodiment
  • FIG. 13 is a block diagram illustrating a manufacturing process of a lens unit of a vehicle lamp according to the embodiment
  • FIG. 14 is a view showing a manufacturing process of the lens unit of the vehicle lamp according to the embodiment.
  • 15 is a view showing a light source unit provided in the lens unit of the vehicle lamp according to the embodiment.
  • ordinal numbers such as second and first
  • first and second components may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component.
  • the upper (up) or lower (down) (on or under) includes both the two components are in direct contact with each other (directly) or one or more other components are formed indirectly formed between the two (component).
  • the upper (up) or lower (down) (on or under) includes both the two components are in direct contact with each other (directly) or one or more other components are formed indirectly formed between the two (component).
  • 'on' or 'under' it may include the meaning of the downward direction as well as the upward direction based on one component.
  • the vehicle lamp 1 may enhance the design freedom of the vehicle lamp by using a film capable of forming a 3D stereoscopic image to increase aesthetics.
  • the vehicle lamp 1 implements a 3D stereoscopic image using a film that takes up less space, the manufacturing process is simple, and the space utilization when the vehicle lamp 1 is mounted on the vehicle may be improved.
  • the vehicle lamp 1 may include lens units 100, 100a, and 100b and a light source unit 200.
  • the lens units 100, 100a, and 100b may include the film units 120, 120a, and 120b for forming a 3D stereoscopic image using light emitted from the main body 110 having at least one curved surface and the light source unit 200. It may include.
  • the light source unit 200 may irradiate light toward the lens units 100, 100a and 100b. Accordingly, the lens units 100, 100a and 100b may be disposed on the light irradiation line of the light source unit 200.
  • the LED may be used as the light source 210 of the light source unit 200.
  • the light source 210 may be disposed on the PCB 220 to receive power.
  • the lens unit 100 illustrated in FIGS. 3 to 7 may be formed by injecting the in-mold labeling (IML) method using a mold.
  • IML in-mold labeling
  • the ILM method used in forming the lens unit 100 is a method of cutting the heat-formed film, inserting it into a mold, and then ejecting the main body 110. Accordingly, the film part 120 may be easily disposed on the main body 110 having a curved surface on the edge portion, and thus, the lifting surface may be generated between the main body 110 and the film part 120 by the curved surface. Can be prevented.
  • the main body 110 may be formed to have at least one curved surface.
  • the main body 110 forms the outer shape of the lens unit 100 and may be formed of a plastic material.
  • the body 110 may be formed using a resin, and the resin may be formed of polycarbonate (PC), polymethyl methacrylate (PMMA), or the like.
  • the main body 110 may be formed by inserting the thermally formed and cut film portion 120 into a mold and then injecting the resin into the film portion 120.
  • the film unit 120 of the lens unit 100 may include an optical film 121 and a base film 125.
  • the optical film 121 may form a 3D stereoscopic image by the light.
  • the optical film 121 may be formed on the base film 125 by a printing method.
  • patterns 123, 124, and 124a for forming a 3D stereoscopic image are formed on at least one of one side or the other side of the optical film body 122 constituting the optical film 121. It may be.
  • the patterns 123, 124, and 124a may be formed on at least one of one side or the other side of the optical film body 122 through a printing method.
  • the optical film 121 including the optical film body 122 and the patterns 123, 124, and 124a may be presented in various embodiments by the arrangement positions of the patterns 123, 124, and 124a. Let's look at it.
  • the optical film 121 may include the optical film 121a according to the first exemplary embodiment, the optical film 121b according to the second exemplary embodiment, and the first method according to the arrangement positions and directions of the patterns 123, 124, and 124a.
  • the optical film 121c according to the third embodiment and the optical film 121d according to the fourth embodiment may be implemented.
  • FIG. 4 is a view showing a first embodiment of the optical film in which the light source unit and the optical film pattern of the vehicle lamp according to the embodiment is disposed on the light source unit side
  • Figure 4 (a) according to the first embodiment of the optical film It is a figure which shows the arrangement
  • FIG. 4 (b) is a figure which shows the optical image of the lens part which concerns on FIG.
  • FIG. 4 is a view showing a first embodiment of the optical film 121a according to the position where the pattern is formed. As shown in FIG. 4A, the first embodiment shows the optical film main body 122. The pattern 123 may be formed on one side.
  • the pattern 123 of the optical film 121a may be disposed on the optical film body 122 to face the light source 210 of the light source unit 200.
  • the light source 210 may be disposed to be spaced apart from the pattern 123.
  • each of the plurality of patterns 123 disposed on one side of the optical film body 122 may be spaced apart by a predetermined distance d.
  • the pattern 123 may be formed long in a predetermined direction.
  • an optical image of the lens unit 120 by the optical film 121a may be implemented. That is, the optical image may be brightly formed in one region by the pattern 123, and may be brighter in the position where the light source 210 is disposed.
  • FIG. 5 is a view showing a second embodiment of the optical film in which the light source portion and the optical film pattern of the vehicle lamp according to the embodiment is disposed on the opposite side of the light source portion
  • Figure 5 (a) is a second embodiment of the optical film
  • FIG. 5 is a view illustrating an arrangement of a light source unit and an optical film pattern of a vehicle lamp
  • FIG. 5B is a view illustrating an optical image of the lens unit of FIG. 5A.
  • the pattern 124 of the optical film 121b may be disposed on the other side of the optical film body 122 based on the light source 210 of the light source unit 200.
  • each of the plurality of patterns 124 disposed on the other side of the optical film body 122 may be spaced apart by a predetermined distance d.
  • an optical image of the lens unit 120 by the optical film 121b may be implemented.
  • the optical film 121b according to the second embodiment since the optical film 121b according to the second embodiment has a difference in the distance spaced between the light source 120 and the pattern 124, the second The optical image of the optical film 121b according to the embodiment may realize a different optical image from the optical image of the optical film 121 according to the first embodiment.
  • FIG. 6 is a view showing a third embodiment of an optical film in which the light source unit and the optical film pattern of the vehicle lamp according to the embodiment are formed on one side and the other side of the optical film body, respectively, and FIG. FIG. 6 is a diagram illustrating an arrangement of a light source unit and an optical film pattern of a vehicle lamp according to a third embodiment, and FIGS. 6B and 6C illustrate optical images of the lens unit illustrated in FIG. 6A.
  • the patterns 123 and 124 may be formed on one side and the other side of the optical film body 122, respectively.
  • an optical image of the lens unit 120 by the optical film 121c may be implemented.
  • the optical image of the lens unit 120 shown in (c) of FIG. 6 a case where the mutual separation distance (d) between the patterns 123 and 124 shown in (b) of FIG. 6 is larger. Indicates.
  • various optical images may be implemented according to the mutual separation distance d between the patterns 123 and 124.
  • FIG. 7 is a view illustrating a fourth embodiment of an optical film in which a light source unit and an optical film pattern of a vehicle lamp are formed on one side and the other side of the optical film, and the direction of the pattern is different, according to an embodiment of FIG. )
  • Figure 7 (b) and (c) is an optical image of the lens portion according to Figure 7 (a) It is a figure which shows.
  • the patterns 123 and 124a are formed on one side and the other side of the optical film body 122, respectively, and the pattern 123. , 124a may be arranged in different directions.
  • the pattern 123 may be disposed on the optical film body 122 to face the light source 210, but is not limited thereto.
  • the plurality of patterns 123 and 124a disposed on one side and the other side of the optical film body 122 may be spaced apart by a predetermined distance d1.
  • patterns 123 and 124a forming a 3D stereoscopic image may be formed on one side and the other side of the optical film 121d, respectively.
  • the pattern 124a formed on the other side with respect to the longitudinal direction of the pattern 123 formed on one side may be disposed to cross the pattern 123.
  • the predetermined pattern is determined based on the pattern 123 disposed on one side of the optical film main body 122. It may be disposed to be inclined at an angle ⁇ .
  • an optical image of the lens unit 120 as illustrated in FIGS. 7B and 7C may be implemented.
  • the light crushing effect is further improved at the edge of the optical image to realize a smooth optical image.
  • the lens unit 100 may further include an adhesive layer 130.
  • the adhesive layer 130 may be disposed between the main body 110 and the base film 125.
  • the adhesive layer 130 may improve adhesion of the base film 125 to the main body 110.
  • the adhesive layer 130 may use a primer of the same material as the main body 110.
  • the lens unit 100 may further include a protective film 140 disposed on one side of the optical film 121.
  • the protective film 140 may be disposed on an opposite side of the optical film body 125 with the optical film 121 therebetween.
  • the protective film 140 may prevent the optical film 121 from being damaged by external force, high temperature, and high humidity applied from the outside.
  • the protective film 140 may be formed of a material resistant to heat, humidity, and the like.
  • the plurality of unit optical films 126, 128, and 129 may be disposed in place of the optical film 121 on one side of the base film 125, and the protective film 140 may be applied with external force, high temperature, The unit optical films 126, 128, and 129 may be prevented from being damaged by high humidity or the like.
  • the lens unit 100 may further include a reflective layer 150 that improves the reflectivity to increase the light efficiency of the light.
  • the reflective layer 150 may be disposed between the optical film 121 and the protective film 140.
  • the reflective layer 150 may be disposed between the plurality of unit optical films 126, 128, and 129 and the protective film 140.
  • the reflective layer 150 may be formed of a material containing aluminum or silver.
  • the reflective layer 150 may be disposed in the form of a film.
  • the lens unit 100 may further include an antioxidant layer 160 to prevent oxidation of the reflective layer 150.
  • the antioxidant layer 160 may be disposed between the protective film 140 and the reflective layer 150.
  • the anti-oxidation layer 160 may improve the reliability of high temperature, high humidity, and the like by preventing oxidation of the reflective layer 150.
  • the antioxidant layer 160 may be formed to contain silicon or stainless steel.
  • the antioxidant layer 160 may be formed through deposition.
  • FIG 8 is a view showing another embodiment of the lens unit disposed in the vehicle lamp according to the embodiment
  • Figure 9 is a view showing a base film and a plurality of unit optical film of the vehicle lamp according to the embodiment.
  • the lens unit 100a may be formed by injection using an in-mold labeling (IML) method using a mold.
  • IML in-mold labeling
  • the lens unit 100a may include a main body 110 and a film unit 120a.
  • the film unit 120a of the lens unit 100a may include a base film 125 and a plurality of unit optical films 126 spaced apart from each other on one side of the base film 125. have.
  • the film part 120a may be disposed to replace the film part 120 shown in FIG. 3.
  • the unit optical film 126 may be formed on the base film 125 through a printing method.
  • each of the plurality of unit optical films 126 may include patterns 123, 124, and 124a formed on at least one of the optical film body 122 and the optical film body 122. It may also include.
  • the patterns 123, 124, and 124a may be formed on at least one of one side or the other side of the optical film body 122 through a printing method.
  • the plurality of unit optical films 126 may be spaced apart from each other at a predetermined distance d2. Accordingly, the slits 127 may be formed between the unit optical films 126.
  • the slit 127 should be formed to compensate for the expansion surface on which the unit optical film 126 may be expanded.
  • the film part 120a may prevent the phenomenon of being lifted by heat using the unit optical film 126 disposed to be spaced apart from each other.
  • the film part 120 may be folded inward in the region B.
  • FIG. 10 Accordingly, a phenomenon in which the optical film 121 is lifted up from the base film 125 in the region B may occur.
  • the film part 120a may prevent the phenomenon of lifting due to folding by using the unit optical film 126 disposed to be spaced apart from each other.
  • the unit optical film 126 should be disposed to maintain a predetermined distance d2.
  • a distance d2 between the unit optical films 126 for forming the slit 127 based on the width W of the unit optical film may fall within the following range. Accordingly, the lens unit 100a may secure illumination while performing compensation for expansion.
  • W width of unit optical film
  • d2 separation distance between unit optical film
  • the separation distance d2 between the unit optical films 126 forming the slit 127 in consideration of the lifting phenomenon is It may be formed to 0.01 ⁇ 0.05.
  • the lens unit 100a may further include an adhesive layer 130, a protective film 140, a reflective layer 150, and an antioxidant layer 160.
  • FIG. 11 is a view showing another embodiment of a lens unit disposed in a vehicle lamp according to an embodiment
  • FIG. 12 is a base film, a plurality of first unit optical films, and a plurality of second unit optical of a vehicle lamp according to an embodiment. It is a figure which shows a film.
  • the lens unit 100b may be formed by injection using an in-mold labeling (IML) method using a mold.
  • IML in-mold labeling
  • the lens unit 100b may include a main body 110 and a film unit 120b.
  • the film unit 120b of the lens unit 100 is provided with a plurality of first unit optical films 128 spaced apart from each other on one side of the base film 125 and the base film 125. And a plurality of second unit optical films 129.
  • the first unit optical film 128 and the second unit optical film 129 may form a 3D stereoscopic image like the unit optical film 126.
  • each of the first unit optical film 128 and the second unit optical film 129 may have patterns 123, 124, and 124a that form a 3D stereoscopic image on at least one of one side or the other side of the optical film body 122. This can be formed.
  • first unit optical film 128 and the second unit optical film 129 may be disposed to be spaced apart by a predetermined distance d3.
  • a slit 127a may be formed between the first unit optical film 128 and the second unit optical film 129. At this time, as described above, the slit 127a should be formed to have a predetermined distance d3 in consideration of the lifting phenomenon.
  • the first unit optical film 128 may be formed in a trapezoidal shape, and the second unit optical film 129 may be formed in a triangular shape. Accordingly, the film part 120b may be formed by disposing the first unit optical film 128 and the second unit optical film 129 on the base film 125 so that the slits 127a are formed.
  • the first unit optical film 128 is formed in a trapezoidal shape
  • the second unit optical film 129 is formed in a triangular shape, but is not limited thereto.
  • the film unit 120b may use a unit optical film having various shapes such as a pentagon, a hexagon, or a polygon.
  • the film unit 120b may be formed of only one of the first unit optical film 128 or the second unit optical film 129, or may be formed by adding a third unit optical film (not shown). .
  • the lens unit 100b may further include an adhesive layer 130, a protective film 140, a reflective layer 150, and an antioxidant layer 160.
  • FIGS. 13 and 14 a manufacturing method S1 of a lens unit using an in-mold labeling (IML) method will be described with reference to FIGS. 13 and 14.
  • IML in-mold labeling
  • the lens unit manufacturing method (S1) is a step of forming an optical film on the base film to form a film portion (S10), forming the film portion (S20), cutting the film portion (S30), the film portion mold Inserting in (S40), the step of injecting the resin to form a main body (S50) and may include the step of taking out (S60).
  • the optical film 121 may be disposed on one side of the base film 125 to form the film part 120.
  • the optical film 121 may be formed on the base film 125 through a printing method.
  • film parts 120a and 120b may be used as another embodiment of the film part 120.
  • a protective film 140 may be further disposed on one side of the film part 120.
  • the film part 120 may be molded using heat or the like. That is, it is preferable to shape the shape of the film part 120 in consideration of the shape of the lens part 100.
  • one region of the film part 120 may be cut in consideration of the shape of the lens part 100.
  • the cut film part 120 is inserted into the mold 10.
  • the main body 110 may be formed by injecting the resin into one side of the film part 120 inserted into the mold 10.
  • the adhesive layer 130 may be further disposed on the film part 120.
  • the lens unit 100 formed by the main body 110 and the film unit 120 is taken out from the mold 10.
  • the lens units 100, 100a and 100b may be formed using an in-mold labeling (IML) method through the above-described process.
  • IML in-mold labeling
  • a vehicle (not shown) according to an embodiment may include the vehicle lamp 1 and a housing 2.
  • the vehicle lamp 1 is disposed in the housing 2, and the vehicle lamp 1 may be installed in the vehicle through the housing 2.
  • the housing 2 may be formed in various shapes in consideration of the structure of the vehicle.
  • the vehicle lamp 1 may include the lens unit 100, 100a, 100b and the light source unit 200.
  • the lens unit 100 may be formed by injection using an in-mold labeling (IML) method using the mold 10.
  • IML in-mold labeling
  • the main body 110 of the lens units 100, 100a and 100b may be formed to have at least one curved surface.
  • the light source unit 200 may be disposed at at least one of one side or the other side of the main body 110.
  • the light source unit 200 may include a light source 210 and a PCB 220.
  • the LED may be used as the light source 210.
  • the light source 210 may be disposed on the PCB 220 to receive power.
  • the light irradiated from the light source unit 200 passes through the main body 110 of the lens units 100, 100a and 100b and is irradiated toward the film units 120, 120a and 120b. Accordingly, the vehicle (not shown) may form a 3D stereoscopic image through the film units 120, 120a, and 120b of the vehicle lamp 1.
  • the vehicle lamp 1 of the vehicle may improve the space utilization by installing the light source 210 on one side of the main body 110 while implementing the 3D stereoscopic image using the film units 120, 120a and 120b. have.
  • the design freedom of the vehicle lamp 1 can also be improved.
  • SYMBOLS 1 Vehicle lamp, 2: Housing, 100, 100a, 100b: Lens part, 110: Main body, 120, 120a, 120b: Film part, 121: Optical film, 125: Base film, 126: Unit optical film, 140: Protection Film, 150: reflective layer, 160: antioxidant layer, 200: light source portion, 210: light source

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
PCT/KR2017/006113 2016-06-23 2017-06-13 차량용 램프 및 이를 포함하는 차량 Ceased WO2017222227A1 (ko)

Priority Applications (3)

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JP2018566376A JP7005532B2 (ja) 2016-06-23 2017-06-13 車両用ランプおよびこれを含む車両
EP17815640.2A EP3477185B1 (en) 2016-06-23 2017-06-13 Vehicular lamp and vehicle comprising same
US16/310,695 US10723045B2 (en) 2016-06-23 2017-06-13 Vehicular lamp and vehicle comprising same

Applications Claiming Priority (2)

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KR10-2016-0078668 2016-06-23
KR1020160078668A KR102565788B1 (ko) 2016-06-23 2016-06-23 차량용 램프 및 이를 포함하는 차량

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EP (1) EP3477185B1 (enExample)
JP (1) JP7005532B2 (enExample)
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WO (1) WO2017222227A1 (enExample)

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GB2603775B (en) * 2021-02-11 2025-02-12 Iqs Group S R O Injection moulding of optical components
US12338965B2 (en) * 2022-09-12 2025-06-24 Valeo Vision Enhanced diffusive lighting and pattern effects over automotive surface panels
KR20240097141A (ko) 2022-12-20 2024-06-27 현대모비스 주식회사 차량용 히든 램프

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EP3477185B1 (en) 2022-08-10
KR20180000547A (ko) 2018-01-03
JP7005532B2 (ja) 2022-02-04
KR102565788B1 (ko) 2023-08-10
JP2019525388A (ja) 2019-09-05
US10723045B2 (en) 2020-07-28
US20190143566A1 (en) 2019-05-16
EP3477185A4 (en) 2019-06-19
EP3477185A1 (en) 2019-05-01

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