CN208635016U - Optical element and light emitting device - Google Patents
Optical element and light emitting device Download PDFInfo
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- CN208635016U CN208635016U CN201821320155.3U CN201821320155U CN208635016U CN 208635016 U CN208635016 U CN 208635016U CN 201821320155 U CN201821320155 U CN 201821320155U CN 208635016 U CN208635016 U CN 208635016U
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- optical element
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- reflective layer
- emitting device
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Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
The utility model provides a kind of optical element, and the optical element includes: ontology (61)；The fully reflective layer (62), the fully reflective layer (62) are arranged on the side of ontology (61)；With transflective layer (63), the transflective layer (63) is arranged on the side of the separate the fully reflective layer (62) of ontology (61), wherein, multiple holes of break-through the fully reflective layer (62) are provided in the fully reflective layer (62).The utility model additionally provides a kind of light emitting device.Optical element and light emitting device according to the present utility model light effect with special, enrich the shape-designing of car light, and structure is simple, cost is relatively low.
Description
Technical field
The utility model relates to motor vehicles and light emitting device technical field, and in particular, to a kind of optical element and one
Kind includes the light emitting device of the optical element.
Background technique
The light emitting device of motor vehicles, which is covered, various illuminations and/or signal indicating device, such as headlamp, the mist of vehicle
Lamp, turn signal, brake lamp, position lamp, daytime running lamps etc..It is set to improve the moulding of the resolution and abundant car light of vehicle
Meter, introduces 3D optical imaging effect in the illumination of some vehicles and/or the design of signal indicating device.For example, in vehicle
Brake lamp or taillight in generate 3D effect, in this way, brake lamp is lighted and is generated with 3D in driver's brake pedal
The light efficiency of pattern, to remind the driver at rear to pay attention to.
For acquisition 3D effect, the combination of a variety of optical elements is generally required, such as need reflective mirror, light guide and interior len,
This leads to cost problem.Further, the requirement of a variety of optical elements reserves enough installation spaces in the design, therefore
The existing light emitting device volume with 3D illuminating effect is larger.
Utility model content
The purpose of this utility model is that at least partly overcome the deficiencies of existing technologies, a kind of optical element and hair are provided
Electro-optical device can enrich the shape-designing of car light.
The purpose of this utility model, which also resides in, provides a kind of motor vehicles including aforementioned light emitting device.
In order to achieve the above objectives or the first purpose, the technical solution of the utility model are as follows:
A kind of optical element, the optical element include: ontology；Incident side, the incident side are equipped with the fully reflective layer；With go out
Light side should go out photochromic equipped with transflective layer, wherein the multiple of break-through the fully reflective layer are provided in the fully reflective layer
Penetration portion, such as hole.Here, incident side and light emission side are disposed opposing each other.
A preferred embodiment according to the present utility model, the fully reflective layer include plating with a thickness of the metallic reflection of A
Layer, such as aluminium coated, silver coating or other reflected coat layers, the transflective layer includes the semi-transparent semi-reflecting film with a thickness of B,
In, it is preferable that thickness B is less than thickness A.
A preferred embodiment according to the present utility model, the ontology are light-transmitting plate, such as by glass, PC or PMMA material
Material is made.
A preferred embodiment according to the present utility model, the penetration portion are to be penetrated by the etching that laser-induced thermal etching is formed
Portion.
A preferred embodiment according to the present utility model, multiple holes are arranged in the fully reflective layer in rectangular, wherein
The center of circle in one hole and the center of circle of adjacent holes are at a distance of 1-5mm.
A preferred embodiment according to the present utility model is adjacent along the direction of the periphery from the center of matrix to matrix
Spacing between the center of circle in hole is gradually increased.
A preferred embodiment according to the present utility model, multiple holes form the annular of multiple arranged concentrics, one of them
The diameter of annular differs 1-5mm with the diameter of adjacent annular.
A preferred embodiment according to the present utility model, along from annular center of circle radially outward direction, adjacent ring
Diameter difference is gradually increased.
A preferred embodiment according to the present utility model, the hole is circular hole, and the diameter of circular hole is 1-3mm.
Other side according to the present utility model, provides a kind of light emitting device, the light emitting device include light source and
The optical element according to any one of previous embodiment, wherein light source is arranged in being equipped with completely instead towards optical element
Penetrate the incident side of layer.Here, can be furnished with light reflecting element for light source.
Light emitting device according to the present utility model, the special optical element (lens) for lighting effect can be generated by being provided with,
Therefore light emitting device can generate special effect of lighting, such as 3D starry sky pattern, this enriches the shape-designing of car light, and energy
The resolution of vehicle is improved, such as uses this light emitting device in the taillight design of vehicle, then from rear of vehicle, tail
Lamp shows the starry sky pattern of 3D, and aesthetics and uniqueness are embodied.The hair that effect is lighted with starry sky of the utility model
Electro-optical device breaches the limitation of existing display moulding, can leave deep impression to observer.
Further, the light emitting device of the utility model realizes 3D effect using less optical element, compared to existing
Using the combined technical solution of reflective mirror, light guide and interior len in technology, structure is simplified, and cost reduces.Moreover, because
Using less optical element, without reserving installation space, therefore this light emitting device small volume for them.
Detailed description of the invention
Fig. 1 is the general illustration according to the light emitting device of the embodiments of the present invention；
Fig. 2 is the schematic cross-section according to the light emitting device of the embodiments of the present invention；
Fig. 3 is the schematic diagram for showing the light source and optical element of the light emitting device of embodiment according to the present utility model；
Fig. 4 is the rearview according to the optical element of the light emitting device of the embodiments of the present invention；And
Fig. 5 schematically shows the etch-hole of the optical element of the light emitting device of embodiment according to the present utility model
Forming process.
Specific embodiment
The exemplary embodiment of the utility model is described in detail with reference to the accompanying drawing, wherein identical label indicates function
The same or similar element.In addition, in the following detailed description, to elaborate many concrete details to mention convenient for explaining
For the comprehensive understanding to present disclosure embodiment.It should be apparent, however, that one or more embodiments are in the feelings without these details
It can also be carried out under condition.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
Illustrate the light emitting device of the utility model by taking the taillight of motor vehicles as an example below, however it should be noted that originally
The light emitting device of utility model is not limited solely in the taillight of motor vehicles, alternatively, can be used in any illumination
And/or in signal indicating device, such as headlamp, fog lamp, turn signal, brake lamp, position lamp, daytime running lamps of vehicle etc.
Deng.
Fig. 1 is according to the general illustration of the light emitting device of the embodiments of the present invention, as shown in Figure 1, light emitting device
100 are mounted on the tail portion of car body, one group of light emitting device 100 of each side setting in the tail portion of car body.Advantageously, shine dress
It sets in 100 recessed car bodies, i.e., in the interior retraction vehicle body shell of outer mask (such as outer lens) of light emitting device 100, and outer lens
Profile be configured in C font, the further indent in the middle part of C font is such to design the three-dimensional sense for increasing car light, is sending out
When electro-optical device is lit, the 3D three-dimensional sense reflected is stronger.In a specific embodiment, the outer lens of C font include upper L
Shape transparent region, lower L shape transparent region and C font transparent region, and upper L shape transparent region and C font transparent region is upper
Side is substantially concordant, and lower L shape transparent region is following substantially concordant with C font transparent region.
Fig. 2 is according to the schematic cross-section of the light emitting device of the embodiments of the present invention, as shown in Fig. 2, light emitting device
100 include: printed circuit board 1, LED 2, reflector 3, shell 4, carrier or transition disc 5, interior len 6 and outer lens 7.Its
In, in conjunction with the car body of motor vehicles, LED 2 is installed on the printed circuit board 1 shell 4, provides electric energy by printed circuit board 1
With control signal, the light source of printed circuit board 1 and LED 2 as light emitting device, however the light of the light emitting device of the utility model
Source is not limited to the light source of LED form, can be any light source suitable for car light, such as halogen lamp, hernia lamp etc..Printing electricity
Road plate 1 or light source can be directly anchored on shell 4 or be fixedly connected by transition disc with shell 4.Along from light emitting device
The direction (and general propagation direction of optical path) of interior sets gradually printed circuit board 1, LED 2, reflector 3, interior
Lens 6 and outer lens 7, wherein reflector 3 is arranged between light source and interior len 6, generally cylindrical shape, towards interior len 6
Opening slightly expand, for winning light beam over by any means, light beam is guided to interior len 6.
Optical element in the form of interior len 6 is configured as receiving the light from light source, and interior len 6 is by being arranged in shell
Carrier 5 in body 4 is fixed, such as is held on carrier 5 by the clamping that shape cooperates.Although will describe below
Fig. 3 in, interior len 6 is shown as the flat shape for having flat, but in practical applications, can be designed as having
Substantially curve form, or combine motor vehicles body shapes or car light shape-designing variation, with coincide motor vehicles or
The master-plan of car light.Outer lens 7 are arranged on the side of the separate light source of interior len 6 and are configured as receiving from interior
The light of mirror 6 is simultaneously emitted light, it can be directly anchored on shell 4 or is fixedly connected by transition disc with shell 4.
In one embodiment, interior len 6 is configured as received light being converted to 3D pattern, and specifically, interior len 6 is wrapped
It includes: ontology 61；The fully reflective layer 62, the fully reflective layer 62 are arranged on the side towards light source of ontology 61, that is, enter light
On side；With transflective layer 63, the transflective layer 63 is arranged on the side of separate light source of ontology 61, i.e. light emission side
On, referring to Fig. 3.Further, multiple penetration portions of break-through the fully reflective layer 62, example are provided in the fully reflective layer 62
Such as hole, the light from light source is entered in the ontology 61 of interior len 6 by penetration portion, referring to fig. 4.Here, hole can have
There are any suitable shape, such as round, rectangular or specific pattern form.In other embodiments, interior len 6 can be matched
It is set to and received light is converted into other 3D patterns, this depends on the ontology 61 of interior len 6, the fully reflective layer 62 and semi-transparent semi-reflecting
The shape and layout of penetration portion in layer 63 and the fully reflective layer 62.
Fig. 2 also shows the propagation path of light of the light emitting device of the utility model, in conjunction with Fig. 3 and Fig. 4 it is found that from LED 2
The light emission of sending enters in ontology 61 to interior len 6, and by the penetration portion in the fully reflective layer of interior len 6 62, in ontology
It is reflected in 61, then a part projects interior len 6 by transflective layer 63, outside the light directive that interior len 6 projects
Lens 7 are simultaneously projected by outer lens 7, and a part is reflected towards the fully reflective layer 62.The light projected by outer lens 7 can be with
With 3D effect, for example, the moulding for depending on hole shows the effect of an array of stars or the fireworks display to burst forth in the similar night sky.It is based on
The fully reflective layer 62 of penetration portion with hole shape can produce pattern effect as above, if interior len 6 or fully reflective
The overall shape of layer 62 changes the perhaps change in shape (such as square hole) of penetration portion or the layout of penetration portion changes, produced
3D starry sky effect also can accordingly change, but their basic principle communicates, therefore belongs to the guarantor of the utility model
Protect range.
A preferred embodiment according to the present utility model, the fully reflective layer 62 and transflective layer 63 can pass through plating
Aluminium layer, silver coating or other suitable reflected coat layers are realized, such as the fully reflective layer 62 includes the aluminium coated with a thickness of A, described
Transflective layer 63 includes the aluminium coated with a thickness of B, and thickness B is less than thickness A.The thickness of control thickness A can guarantee to penetrate
It is all reflected to the light of the non-punch through region of the fully reflective layer 62, without being transmitted at non-punch through region.Similarly,
The thickness of control thickness B can guarantee that a part of the light of directive transflective layer 63 is reflected back toward, and another part transmission is worn
Cross transflective layer 63.
Preferably, ontology 61 is formed by light-transmitting plate, such as can be made of materials such as glass, PC or PMMA.The length of light-transmitting plate
Degree and width can be greater than thickness.The fully reflective layer 62 and transflective layer 63 are to pass through coating in two main surfaces of light-transmitting plate
The layer of formation.Here, the thickness of ontology 61 can between 2mm-6mm, the thickness of the fully reflective layer 62 between 300 nanometers-
Between 480 nanometers, and the thickness of transflective layer 63 is between 100 nanometers -200 nanometers, it is therefore preferable to 150 nanometers.
Alternatively, the fully reflective layer 62 and transflective layer 63 can also be formed using other modes, such as can used
Translucent beam splitter substitutes transflective layer.As long as complete reflection can be realized on a face of interior len, and another
It is realized on one face semi-transparent semi-reflecting.Here semi-transparent semi-reflecting refers to that some light is projected and another part light quilt
Reflection.
A preferred embodiment according to the present utility model, the penetration portion are to be penetrated by the etching that laser-induced thermal etching is formed
Portion 64, such as shown in figure 5, after forming the fully reflective layer 62, the fully reflective layer 62 is etched using laser-induced thermal etching equipment 11,
So that forming the penetration portion of break-through in the fully reflective layer 62.It should be noted that needing to control laser erosion in etching process
Carve the parameters such as power of equipment, to ensure that only the fully reflective layer 62 is burnt, and be formed by penetration portion not through or penetrate
Ontology 61.
Alternatively, penetration portion can be formed by means of mask.For this purpose, by mask, by needs, there are penetration portions in coating
Position cover get up, then carry out coating process.
Fig. 4 shows the layout of penetration portion as an example, wherein multiple penetration portions are arranged in completely in rectangular
In reflecting layer 62, and multiple penetration portions are evenly distributed, i.e., multiple penetration portions have the same diameter, and each penetration portion with
The spacing of adjacent penetration portion is equal.Optionally, the diameter of penetration portion is 1-3mm, and the center of circle of a penetration portion is worn with adjacent
The center of circle in saturating portion is at a distance of 1-5mm, it is therefore preferable to 3mm.
Advantageously, the direction along the center from the fully reflective layer for being equipped with penetration portion to the periphery, the center of circle of adjacent penetration portion
Between spacing be gradually increased, such as in central part, the spacing of adjacent penetration portion is smaller, and in peripheral part, adjacent to penetrate
The spacing in portion is larger.In this way, the direction change of periphery of the generated starry sky pattern edge from the center of matrix to matrix,
Starry sky appears to have depth feelings, therefore 3D effect is more obvious.
As an alternate embodiment, multiple penetration portions form the annular of multiple arranged concentrics, for example, one group of penetration portion cloth
It sets on circular circumference, and multiple groups penetration portion ring ring is nested, in this case, multiple annulars can be with equidistant outside
Diffusion, i.e. every group of penetration portion, which forms annular, differs fixed value with the diameter that the penetration portion of adjacent sets is formed by annular, for example,
One annular diameter differs 1-5mm with the diameter of adjacent annular, it is therefore preferable to 3mm.
Advantageously, along the center of circle radially outward direction from annular, the diameter difference of adjacent ring is gradually increased.Such as at center
The spacing of part, adjacent ring is smaller, and in peripheral part, the spacing of adjacent ring is larger.In this way, generated starry sky sample
Formula changes along from the center of circle radially outward direction of annular, and starry sky appears to have depth feelings, therefore 3D effect is more obvious.
Other side according to the present utility model, provides a kind of motor vehicles, the motor vehicles include light source and
The light emitting device 100 according to any of previous embodiment.
Further, effect is lighted for cooperation starry sky, outer lens 7 can be configured as with annular transparent region or radiation
Shape transparent region.For the scheme in annular transparent region, annular transparent region can be multiple, multiple annular transparent regions it is straight
Diameter is gradually increased, and the annular transparent region being relatively large in diameter is set in the lesser annular transparent area periphery of diameter, further
Ground, height of multiple annular transparent regions along paths direction is different, wherein the lesser annular transparent region distance light of diameter
The distance in source is less than the distance for the annular transparent region distance light source being relatively large in diameter.In this case, generated stellar map
Case can be with the form fit of outer lens, so that generated starry sky pattern has more three-dimensional sense.For radiation transparent region
Scheme, transparent region include multiple bar shaped transparent regions, multiple bar shaped transparent regions radially, radial pattern arrangement, each bar shaped
Transparent region includes the proximal end close to the center of circle and the distal end far from the center of circle, and further, the proximal end of bar shaped transparent region is apart from light
The distance in source is less than distance of the distal end of head dummy transparent region apart from light source, so that multiple bar shaped transparent regions have with the dress that shines
The optical axis set is the conical outer profile of center axis.In this case, generated starry sky pattern can be outer with outer lens
Shape matching, so that generated starry sky pattern has more three-dimensional sense.
Transflective layer 63 may be constructed such that including multiple protrusions and multiple recess, so that transflective layer is with coarse
Degree, multiple protrusions and multiple recess generate frosted glass effect, virtualization effect are generated to the light projected from it, to weaken stellar map
The dazzling sense of case.
Advantageously, the thickness of the transflective layer 63 of interior len 6 changes along the surface of ontology 61, such as from the table of ontology 61
The center in face linearly thickens to the periphery, and the increase of thickness is therefore weaker in peripheral part light intensity so that translucency reduces, and in
Center portion light splitting is strong relatively strong, this can enhance the stereoscopic effect of starry sky or fireworks pattern.Wherein in the fully reflective layer 62 of interior len 6
The depth of etching penetration portion 64 can also be different, such as the depth in the central part etching penetration portion 64 of the fully reflective layer 62
It is larger, and the depth in the peripheral part of the fully reflective layer 62 etching penetration portion 64 is smaller, can be generated and be further enhanced with this
Stereoscopic effect.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that can be changed to these embodiments in the case where not departing from the principles of the present invention and spirit.This is practical
The novel scope of application is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of optical element, which is characterized in that the optical element includes:
Ontology (61)；
Incident side, the incident side are equipped with the fully reflective layer (62)；With
Light emission side photochromic out should be equipped with transflective layer (63),
Wherein, multiple penetration portions of break-through the fully reflective layer (62) are provided in the fully reflective layer (62).
2. optical element according to claim 1, which is characterized in that the incident side and the light emission side opposite to each other and
It sets.
3. optical element according to claim 1, which is characterized in that the fully reflective layer (62) is metallic reflection plating
Layer.
4. optical element according to claim 1, which is characterized in that the transflective layer (63) is semi-transparent semi-reflecting film.
5. optical element according to any one of claim 1 to 4, which is characterized in that the ontology (61) is by light-transmitting plate
It constitutes.
6. optical element according to any one of claim 1 to 4, which is characterized in that the penetration portion is laser-induced thermal etching
Penetration portion.
7. a kind of light emitting device, which is characterized in that the light emitting device includes light source and according to claim 1 to any one of 6
The optical element, wherein the light source is arranged to the incident side equipped with the fully reflective layer towards the optical element.
8. light emitting device according to claim 7, which is characterized in that the light source is furnished with light reflecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320155.3U CN208635016U (en) | 2018-08-15 | 2018-08-15 | Optical element and light emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320155.3U CN208635016U (en) | 2018-08-15 | 2018-08-15 | Optical element and light emitting device |
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| Publication Number | Publication Date |
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| CN208635016U true CN208635016U (en) | 2019-03-22 |
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ID=65742381
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821320155.3U Active CN208635016U (en) | 2018-08-15 | 2018-08-15 | Optical element and light emitting device |
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| Country | Link |
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| CN (1) | CN208635016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336408A (en) * | 2021-12-23 | 2023-06-27 | 常州星宇车灯股份有限公司 | An optical system and a vehicle lamp |
-
2018
- 2018-08-15 CN CN201821320155.3U patent/CN208635016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336408A (en) * | 2021-12-23 | 2023-06-27 | 常州星宇车灯股份有限公司 | An optical system and a vehicle lamp |
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