CN208635013U - LED light film and LED light source face illuminating module - Google Patents

LED light film and LED light source face illuminating module Download PDF

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Publication number
CN208635013U
CN208635013U CN201821244237.4U CN201821244237U CN208635013U CN 208635013 U CN208635013 U CN 208635013U CN 201821244237 U CN201821244237 U CN 201821244237U CN 208635013 U CN208635013 U CN 208635013U
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Prior art keywords
film
led light
prism film
prism
diffusion barrier
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CN201821244237.4U
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刘西原
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HASCO Vision Technology Co Ltd
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HASCO Vision Technology Co Ltd
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Abstract

The utility model discloses a kind of LED light film and LED light source face illuminating module, is related to automobile lamp technical field, to solve the technical issues of existing LED illuminating module cannot achieve lighting uniformity.LED light film described in the utility model, comprising: prism film and diffusion barrier；The bottom of prism film is arranged in diffusion barrier；Or, diffusion barrier includes two layers, prism film is arranged between two layers of diffusion barrier.

Description

LED light film and LED light source face illuminating module
Technical field
The utility model relates to automobile lamp technical field, in particular to the luminous mould of a kind of LED light film and LED light source face Group.
Background technique
From LED light source using more than 10 years in automobile signal light, the development that experienced several generations vehicle plays substantially The institute of LED light source is advantageous.
Current car industry enters into the epoch of intelligent network connectionization, and the moulding fashion trend of automobile also develops to meet intelligence Net joins the flat, succinctly three-dimensional with 3D of speciality.OLED technology has appeared in automobile lamp market before 3 years, ultra-thin sheet body and The luminous characteristic in even face is that vehicle light shape brings a possibility that new, but OLED there is also Curved screen yields low, highest so far Brightness bottleneck, problem with high costs, cannot achieve technology large-scale application.
Therefore, how a kind of LED light film and LED light source face illuminating module are provided, can be realized uniform surface illumination effect, The technical issues of having become those skilled in the art's urgent need to resolve.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of LED light film and LED light source face illuminating module LED illuminating module cannot achieve the technical issues of lighting uniformity.
The utility model provides a kind of LED light film, comprising: prism film and diffusion barrier；The diffusion barrier is arranged described The bottom of prism film；Or, the diffusion barrier includes two layers, the prism film is arranged between two layers of diffusion barrier.
LED light film described in the utility model further include: filter coating；The diffusion barrier includes two layers, the prism Film is arranged between two layers of diffusion barrier, and the filter coating is arranged far from the outermost layer of light guide plate.
Wherein, in LED light film described in the utility model, the prism film uses single layer prism film.
Specifically, in LED light film described in the utility model, the prism film uses mono-layer level prism film.
Alternatively, in LED light film described in the utility model, the prism film uses the vertical prism film of single layer.
When practical application, in LED light film described in the utility model, the prism film uses the double-deck prism film, and two Prism decorative pattern on the layer prism film is placed in 10-90 degree.
Wherein, in LED light film described in the utility model, the prism film is using the double-deck prism film, one layer of rib Mirror film uses vertical prism film using horizon prism film, another layer prism film.
Specifically, in LED light film described in the utility model, the filter coating is saturating using colorless and transparent film, red Bright film, yellow transparent film or grey transparent membrane.
Further, it is equipped with what nontransparent figure was formed in LED light film described in the utility model, in the filter coating Outline moulding.
Compared with the existing technology, LED light film described in the utility model has the advantage that
In LED light film provided by the utility model, comprising: prism film and diffusion barrier；Prism film is arranged in diffusion barrier Bottom；Or, diffusion barrier includes two layers, prism film is arranged between two layers of diffusion barrier.From this analysis, the utility model mentions The LED light film of confession can effectively realize uniform surface illumination effect.
The utility model also provides a kind of LED light source face illuminating module, comprising: LED light as described in any one of the above embodiments Film.
Possessed advantage is identical compared with the existing technology with above-mentioned LED light film for LED light source face illuminating module, This is repeated no more.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of LED light source face provided by the embodiment of the utility model illuminating module；
Fig. 2 is the planar structure schematic diagram of prism film in LED light film provided by the embodiment of the utility model；
Fig. 3 is the cross section structure schematic diagram of prism film in LED light film provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of light guide plate in the illuminating module of LED light source face provided by the embodiment of the utility model.
In figure: 1- backboard；2- light guide plate；3-LED optical film；4-LED light source；21- shape micro-structure concave/convex；31- Prism film；32- diffusion barrier；33- filter coating.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the system of indication or suggestion meaning or element must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.
Fig. 1 is the structural schematic diagram of LED light source face provided by the embodiment of the utility model illuminating module；Fig. 2 is that this is practical The planar structure schematic diagram of prism film in the LED light film that new embodiment provides；Fig. 3 is provided by the embodiment of the utility model The cross section structure schematic diagram of prism film in LED light film；Fig. 4 is the luminous mould in LED light source face provided by the embodiment of the utility model The structural schematic diagram of light guide plate in group.
As Figure 1-Figure 4, the utility model embodiment provides a kind of LED light source face illuminating module, comprising: You Houzhi Before the backboard 1, the light guide plate 2 that set gradually, and the LED light film 3 as described in any one of following embodiments；Wherein, light guide plate 2 Side be equipped with LED light source 4 and pcb board (not shown), and multiple shape micro-structures concave/convex are arranged at intervals on light guide plate 2 21.Specifically, LED light film 3, comprising: prism film 31 and diffusion barrier 32；The bottom of prism film 31 is arranged in diffusion barrier 32； Or, diffusion barrier 32 includes two layers, prism film 31 is arranged between two layers of diffusion barrier 32.
Compared with the existing technology, LED light film described in the utility model embodiment has the advantage that
In LED light film provided by the embodiment of the utility model, as Figure 1-Figure 4, comprising: prism film 31 and diffusion Film 32；The bottom of prism film 31 is arranged in diffusion barrier 32；Or, diffusion barrier 32 includes two layers, the setting of prism film 31 is expanded at two layers It dissipates between film 32.From this analysis, LED light film provided by the embodiment of the utility model, can effectively realize that uniform surface is sent out Light effect.
It should be added that, prism film is gained the name because surface micro-structure is in prism herein, plays the role of being to improve Brightness, separately having title is brightness enhancement film (BEF, Brightness enhancement film).
Diffusion barrier 32 includes two layers, and prism film 31 is arranged between two layers of diffusion barrier 32, and such setting can be mentioned effectively The illumination uniformity of high LED light source face illuminating module.
In addition, diffusion barrier 32 can play the role of the soft and smooth diffusion of light, transparent, rough surface.
It should be added that, above-mentioned LED light film 3 can also be only with prism film 31, only prism film 31 herein Setting, the illumination efficiency of LED light source face illuminating module can be effectively improved, to use as Brake lamp.
Prism film 31 can play the role of converging to light increase light distribution area efficiency, outer surface in certain angle (front) is triangle micro-structure, and the back side is smooth surface；In use, just facing toward optical axis direction (light emission direction).
As shown in Figure 1, LED light film provided by the embodiment of the utility model can also include: filter coating 33；Diffusion barrier 32 It may include having two layers, prism film 31 is arranged between two layers of diffusion barrier 32, and filter coating 33 is arranged far from light guide plate 2 most Outer layer.
Wherein, as shown in Figures 2 and 3, in LED light film provided by the embodiment of the utility model, above-mentioned prism film 31 can To use single layer prism film.
Specifically, in LED light film provided by the embodiment of the utility model, above-mentioned prism film 31 can use mono-layer level Prism film.
Alternatively, in LED light film provided by the embodiment of the utility model, above-mentioned prism film 31 can be perpendicular using single layer Straight prism film.
When practical application, in LED light film provided by the embodiment of the utility model, above-mentioned prism film 31 can be using bilayer Prism film, and the prism decorative pattern on two layers of prism film 31 can be placed in 10-90 degree.
Wherein, in LED light film provided by the embodiment of the utility model, when above-mentioned prism film 31 is using the double-deck prism film When, one layer of prism film 31 can use vertical prism film using horizon prism film, another layer of prism film 31.
Specifically, in LED light film provided by the embodiment of the utility model, above-mentioned filter coating 33 can use colorless and transparent Film, red, transparent film, yellow transparent film or grey transparent membrane.
Filter coating 33 is colorless and transparent, red, transparent, yellow transparent or the transparent film of grey, can change mould group and shine Appearance color of the region under non-illuminating state.
Further, it can be equipped in LED light film provided by the embodiment of the utility model, in above-mentioned filter coating 33 non- The outline moulding that bright figure is formed, so as to the level for increasing light-emitting surface brightness in the transparent figure of base coat colour of having any different Sense.
It should be added that, LED light film 3 is not limited to continue to be superimposed using 3 layers herein, and the number of plies is more than or equal to 0 Layer all may be used；When LED light film 3 includes prism film 31, diffusion barrier 32 and filter coating 33, use can be superimposed repeatedly according to demand； One or two layers can be selected in prism film 31.
The arrangement of LED light film 3 is not limited to a kind of form, can be (from top to bottom):
A, diffusion barrier 32, (level) prism film 31, diffusion barrier 32；
B, diffusion barrier 32, (level) prism film 31, (vertical) prism film 31, diffusion barrier 32；
C, (level) prism film 31；
D, (level) prism film 31, (vertical) prism film 31；
E, (level) prism film 31, diffusion barrier 32；
F, (red) filter coating 33, diffusion barrier 32, (vertical) prism film 31, (level) prism film 31, diffusion barrier 32.
In addition, LED light source face provided by the embodiment of the utility model illuminating module, can be realized ultra-thin area source mould group (ultra-thin main contributions are to survey incident light guide plate design, and be superimposed optical film to improve optical efficiency and uniform hair is presented Light), stacked arrangement freedom degree is high in space, and be easily obtained solid lights effect；Face luminous component have passed through precision optics It designs (the multiple shape micro-structures concave/convex being spaced apart on light guide plate), can be realized the high efficiency light-emitting mode of orientation to meet The high brightness function such as Brake lamp, turn signal；In addition, can also lay particular emphasis on lighting effect realizes the taillight for reaching OLED rank uniformity Mode.
When practical application, in the illuminating module of LED light source face provided by the embodiment of the utility model, on above-mentioned light guide plate 2 Shape micro-structure 21 concave/convex can be using concave-convex hemisphere, concave-convex V type slot, concave-convex cylinder, concave-convex pyramid or concave-convex free V-type Any one in slot；Or concave-convex free form surface structural slab can be directly used in above-mentioned light guide plate 2.
Wherein, in the illuminating module of LED light source face provided by the embodiment of the utility model, multiple spaced shapes concave/convex Micro-structure 21 can be in any one in rectangular lattice distribution, hexagonal lattice distribution or circular distribution.
It should be added that, the shape micro-structure 21 concave/convex on light guide plate 2 can be according to light extraction efficiency and lighting herein Uniformity requirement is designed according to certain rules, and size, arrangement spacing, pattern angle can generate variation.Specific arrangement mode It can be such that
A, spacing is fixed, decorative pattern change in size:
Minimum spacing sets a definite value, the approximate letter y=a^x- for crossing origin of the rule of decorative pattern diameter parameters y variation between dot matrix 1 (x > 0, a > 1), actual distribution calculate gained by iteration function；
B, spacing changes, decorative pattern size constancy:
Decorative pattern size sets a definite value, function y=a^x-1 that the rule of decorative pattern spacing parameter y variation is approximate to cross origin (x > 0, a > 1), actual distribution calculates gained by iteration function；
C, spacing changes, decorative pattern change in size:
The approximate function y=a^x-1 (x > 0, a > 1) for crossing origin of lattice distance and decorative pattern change in size, actual distribution by Iteration function calculates gained.
In addition, V-groove decorative pattern also changes with the variation pattern angle of optics face curvature to keep optical efficiency.
Specifically, in the illuminating module of LED light source face provided by the embodiment of the utility model, above-mentioned light guide plate 2 can be used PMMA or high light transmission PC (PCLED2045, PCLC-1500 etc.) material.
It should be added that, when light guide plate 2 is using PMMALD series material, no optical texture can be used herein Design, i.e., be not provided with shape micro-structure 21 concave/convex on light guide plate 2.
Further, in the illuminating module of LED light source face provided by the embodiment of the utility model, above-mentioned backboard 1 can be used Mirror-reflection, white diffusing reflection, aluminize dermatoglyph or other non-highly reflective materials.
Herein it should be added that, according to the definition other than mirror-reflection and white diffusing reflection, then before backboard 1 (after light guide plate 2) needs plus a reflectance coating.Reflectance coating has the two kinds of definition of mirror-reflection and white diffusing reflection.
Further, LED light source face provided by the embodiment of the utility model illuminating module can also include: that setting is being carried on the back Shell outside plate 1, light guide plate 2, LED light film 3 and LED light source 4 and pcb board.
Wherein, above-mentioned shell can be wrapped up using metal stamping frame or plastic shell.
The assembly of LED light source face provided by the embodiment of the utility model illuminating module is carried out specifically with reference to the accompanying drawing It is bright:
As shown in Figure 1, light guide plate 2 is then also first loaded on backboard 1 loaded on backboard 1 by LED light source 4 and pcb board, and One or more layers upper LED light film 3 is covered simultaneously in the positive face paste double-sided adhesive of light guide plate 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of LED light film characterized by comprising prism film and diffusion barrier；
The bottom of the prism film is arranged in the diffusion barrier；
Or, the diffusion barrier includes two layers, the prism film is arranged between two layers of diffusion barrier.
2. LED light film according to claim 1, which is characterized in that further include: filter coating；
The diffusion barrier includes two layers, and the prism film is arranged between two layers of diffusion barrier, and the filter coating is arranged In the outermost layer far from light guide plate.
3. LED light film according to claim 1 or 2, which is characterized in that the prism film uses single layer prism film.
4. LED light film according to claim 3, which is characterized in that the prism film uses mono-layer level prism film.
5. LED light film according to claim 3, which is characterized in that the prism film uses the vertical prism film of single layer.
6. LED light film according to claim 1 or 2, which is characterized in that the prism film uses the double-deck prism film, and Prism decorative pattern on two layers of prism film is placed in 10-90 degree.
7. LED light film according to claim 6, which is characterized in that the prism film is using the double-deck prism film, one layer of institute Prism film is stated using horizon prism film, another layer prism film using vertical prism film.
8. LED light film according to claim 2, which is characterized in that the filter coating uses colorless and transparent film, red Transparent membrane, yellow transparent film or grey transparent membrane.
9. the LED light film according to claim 2 or 8, which is characterized in that be equipped with nontransparent figure shape in the filter coating At outline moulding.
10. a kind of LED light source face illuminating module characterized by comprising such as above-mentioned of any of claims 1-9 LED light film.
CN201821244237.4U 2018-05-31 2018-08-03 LED light film and LED light source face illuminating module Active CN208635013U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820839747 2018-05-31
CN201820839747X 2018-05-31

Publications (1)

Publication Number Publication Date
CN208635013U true CN208635013U (en) 2019-03-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821244237.4U Active CN208635013U (en) 2018-05-31 2018-08-03 LED light film and LED light source face illuminating module

Country Status (1)

Country Link
CN (1) CN208635013U (en)

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