CN216886465U - Light guide device and automobile light-emitting skylight device - Google Patents
Light guide device and automobile light-emitting skylight device Download PDFInfo
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- CN216886465U CN216886465U CN202220450082.XU CN202220450082U CN216886465U CN 216886465 U CN216886465 U CN 216886465U CN 202220450082 U CN202220450082 U CN 202220450082U CN 216886465 U CN216886465 U CN 216886465U
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Abstract
The present invention provides a light guide device including: the light guide layer comprises a pattern area, and the pattern area is used for changing the propagation direction of incident light to form a pattern; the first isolation layer is positioned on the lower side of the light guide layer and on the upper side of the first PVB layer and is used for preventing materials of the first PVB layer from invading into the pattern area of the light guide layer; a first PVB layer located on the underside of the first spacer layer; first protection supporting layer is located the downside on first PVB layer, through set up in leaded light layer with first isolation layer between the first PVB layer blocks the material on first PVB layer invades the pattern region avoids the pattern to fade, and the part disappears, the problem that disappears completely even to improve the pattern definition who forms. The utility model also provides an automobile skylight device.
Description
Technical Field
The utility model relates to the field of light guide devices, in particular to a light guide device and an automobile light-emitting skylight device.
Background
In the prior art, a starry sky skylight of an automobile is manufactured by etching a transparent membrane to form starry sky patterns, and visible light is guided into the end face of the membrane to form bright starry sky patterns. Generally, in order to maintain the shape of the transparent film, it is necessary to attach glass to the outside, and it is also necessary to attach a layer of Polyvinyl Butyral (PVB) to one side of the protective glass, which can perform functions of breaking safety, heat preservation, noise control, ultraviolet ray isolation, and the like. However, in the process of producing the starry sky skylight, the transparent film, the PVB and the glass need to be heated and pressurized to be fused, and the PVB can be melted into fluid after being heated, so that part of the fluid can invade into the pattern of the transparent film, and the imaging effect of the starry sky pattern is seriously influenced.
Accordingly, it is desirable to provide a novel sunroof apparatus for a vehicle to improve the above problems of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a light guide device and an automobile light-emitting skylight device, which can improve the imaging quality.
To achieve the above object, the present invention provides a light guide device comprising: a light guide layer including a pattern region for changing a propagation direction of incident light to form a pattern; the first isolating layer is positioned on the lower side of the light guide layer and the upper side of the first PVB layer and is used for preventing materials of the first PVB layer from invading into the pattern area of the light guide layer; a first PVB layer located on the underside of the first spacer layer; a first protective support layer on the underside of the first PVB layer.
The light guide device provided by the utility model has the beneficial effects that: through set up in leaded light layer with first isolation layer between the first PVB layer blocks the material invasion on first PVB layer the pattern region avoids the pattern region to be corroded, leads to the pattern of formation to fade, the local disappearance, the problem that disappears completely even to improve the pattern definition who forms.
Optionally, the light guide device further includes a first fusion layer, and the first fusion layer is located between the light guide layer and the first isolation layer and is used for fusing the light guide layer and the first isolation layer.
Optionally, the pattern region is located on a side of the light guide layer adjacent to the first isolation layer.
Optionally, the light guide device further includes: the second isolation layer is positioned on the upper side of the light guide layer; a second PVB layer on the upper side of the second spacer layer; a second protective support layer on an upper side of the second PVB layer.
Optionally, the light guide device further includes a first fusion layer and a second fusion layer; the first blending layer is positioned between the light guide layer and the first isolation layer, and the second blending layer is positioned between the light guide layer and the second isolation layer; the first fusion layer is used for fusing the light guide layer and the first isolation layer; the second fusion layer is used for fusing the light guide layer and the second isolation layer.
Optionally, the light guide layer is made of glass; the pattern region is formed by etching glass.
Optionally, the light guide layer is made of plastic; the pattern area is formed by perforating the plastic.
Optionally, the first isolation layer and the second isolation layer are made of hard transparent materials. The beneficial effects are that: the hard transparent material is beneficial to avoiding influencing light reflection, has higher physical strength and avoids the first isolation layer and the second isolation layer from entering the light guide layer.
Optionally, the hard transparent material is polyethylene terephthalate.
Optionally, the first isolation layer and the second isolation layer are photovoltaic sheets, and the photovoltaic sheets are connected with the storage battery through wires. The beneficial effects are that: the photovoltaic piece is hard material, can keep apart and have mobility first PVB layer realizes photovoltaic power generation simultaneously.
Optionally, the materials of the first fusion layer and the second fusion layer are transparent bonding materials. The beneficial effects are that: the transparent material is advantageous for avoiding affecting the light reflection.
Optionally, the transparent adhesive material has a crosslinking property. The beneficial effects are that: the material with the crosslinking property has no flowability after the material is crosslinked, so that the materials of the first fusion layer and the second fusion layer are prevented from entering the light guide layer.
Optionally, the transparent adhesive material is ethylene-vinyl acetate copolymer.
The utility model also provides an automobile light-emitting skylight device which comprises a light-emitting module and the light guide device, wherein the light-emitting module is arranged on the light guide device, and the light guide device changes the light propagation direction entering the light guide device and forms patterns after receiving the light emitted by the light-emitting module.
The automobile light-emitting skylight device provided by the utility model has the beneficial effects that: after the light that light emitting module sent is received to the leaded light device, the change gets into light propagation direction in the leaded light device and form the pattern, simultaneously, set up in leaded light layer with between the first PVB layer first isolation layer blocks the material on first PVB layer gets into the pattern region avoids the pattern to fade, and the local disappearance disappears, the problem that disappears completely even to improve the pattern definition who forms.
Drawings
Fig. 1 is a schematic structural view of a light guide device according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a light guide device according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a light guide device according to a third embodiment of the present invention;
fig. 4 is a schematic structural view of a light guide device according to a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an embodiment of a light-emitting sunroof apparatus for a vehicle according to the present invention;
fig. 6 is an enlarged schematic view of a portion a in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
In order to solve the problems in the prior art, the embodiment of the utility model provides a light guide device.
Fig. 1 is a schematic structural diagram of a light guide device according to a first embodiment of the present invention.
In some embodiments of the present invention, the light guide device is applied to a sunroof of an automobile to display a predetermined pattern on a roof of the automobile; the first protective support layer 11 is made of transparent glass, and the first PVB layer 21 is tightly attached to the transparent glass, so that even if the glass is cracked, fragments can be adhered to the first PVB layer 21, and the surface of the window still keeps clean and smooth.
In some embodiments of the present invention, referring to fig. 1, the light guide device includes: the light guide layer 4, the light guide layer 4 includes the pattern area 6, the said pattern area 6 is used for changing the propagation direction of the incident light to form the pattern; a first isolation layer 31 located on the lower side of the light guide layer 4 and on the upper side of the first PVB layer 21, wherein the first isolation layer 31 is used for blocking the material of the first PVB layer 21 from invading into the pattern region 6 of the light guide layer 4; a first PVB layer 21 located on the underside of the first spacer layer 31; a first protective support layer 11 on the underside of the first PVB layer 21.
Fig. 2 is a schematic structural diagram of a light guide device according to a second embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 2, the light guide device further includes a first fusion layer 51, where the first fusion layer 51 is located between the light guide layer 4 and the first isolation layer 31, and is used for fusing the light guide layer 4 and the first isolation layer 31, and the first fusion layer 51 is used for connecting the first isolation layer 31 and the light guide layer 4.
In some embodiments of the present invention, referring to fig. 1 and fig. 2, the pattern region 6 is located on a side of the light guide layer 4 adjacent to the first isolation layer 31, specifically, the pattern region 6 is a region where a groove is formed on a surface of the light guide layer 4 made of glass near the first isolation layer 31 by a method of laser physical etching or glass etchant chemical etching, and light is reflected, refracted, and scattered in the pattern region 6 to generate a visible pattern.
Fig. 3 is a schematic structural diagram of a light guide device according to a third embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 3, the light guide device further includes a second isolation layer 32, where the second isolation layer 32 is located on the upper side of the light guide layer 4; a second PVB layer 22, said second PVB layer 22 being positioned on the upper side of said second spacer layer 32; a second protective support layer 12, said second protective support layer 12 being positioned on the upper side of said second PVB layer 22.
Fig. 4 is a schematic structural diagram of a light guide device in a fourth embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 4, the light guide device further includes a first fusion layer 51 and a second fusion layer 52; a first fused layer 51 between the light guiding layer 4 and the first spacer layer 31, and a second fused layer 52 between the light guiding layer 4 and the second spacer layer 32; the first fusion layer 51 is used for fusing the light guide layer 4 and the first isolation layer 31; the second fusion layer 52 serves to fuse the light guiding layer 4 and the second spacer layer 32.
In some embodiments of the present invention, referring to fig. 1 and 2, the light guiding layer 4 is made of glass; the pattern region 6 is formed by etching glass.
In some embodiments of the present invention, referring to fig. 3 and 4, the light guide layer 4 is made of plastic; the pattern region 6 is formed by punching plastic, specifically, micropores penetrating through the light guide layer 4 are formed on the plastic, and the micropores form a region with a preset pattern, so that light transmitted in the pattern region 6 is reflected, refracted and scattered in the pattern region 6 to generate a visible pattern.
In some embodiments of the present invention, the material of the first isolation layer 31 and the second isolation layer 32 is a hard transparent material, and specifically, a non-flowing material with high light transmittance and certain hardness.
In some embodiments of the present invention, the hard transparent material is polyethylene terephthalate, which has high physical strength and light transmittance, good durability, and low cost.
In some embodiments of the present invention, the first isolation layer 31 and the second isolation layer 32 are photovoltaic sheets, the photovoltaic sheets are connected to a storage battery through wires, the photovoltaic sheets are made of hard materials, and are connected to an electric energy controller through wires, and then are transmitted to the storage battery through wires, so that photovoltaic power generation is realized while materials of the first PVB layer 21 and the second PVB layer 22 are blocked from entering the light guide layer 4.
In some embodiments of the present invention, the materials of the first fused layer 51 and the second fused layer 52 are transparent adhesive materials.
In some embodiments of the present invention, the transparent adhesive material has a crosslinking property.
In some embodiments of the present invention, the transparent adhesive material is ethylene-vinyl acetate copolymer.
FIG. 5 is a schematic structural diagram of an embodiment of a light-emitting sunroof apparatus for a vehicle according to the present invention.
Fig. 6 is an enlarged schematic view of a portion a in fig. 5.
The embodiment of the utility model provides an automobile light-emitting skylight device, and with reference to fig. 5 and 6, the automobile light-emitting skylight device comprises a light-emitting module 7 and a light guide device 1, wherein the light-emitting module 7 is arranged on the light guide device 1, the light-emitting module 7 emits light rays into the light guide device 1 along the arrow direction shown in the figure, and the light guide device 1 changes the propagation direction of the entering light rays and forms patterns on a skylight of a car roof.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the utility model as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (14)
1. A light guide device, comprising:
a light guide layer including a pattern region for changing a propagation direction of incident light to form a pattern;
the first isolating layer is positioned on the lower side of the light guide layer and the upper side of the first PVB layer and is used for preventing materials of the first PVB layer from invading into the pattern area of the light guide layer;
a first PVB layer located on the underside of the first spacer layer;
a first protective support layer on the underside of the first PVB layer.
2. A light guide device according to claim 1, further comprising: the first fusion layer is arranged on the first surface of the substrate,
the first fusion layer is located between the light guide layer and the first isolation layer and used for fusing the light guide layer and the first isolation layer.
3. The light guide device of claim 1, wherein the patterned region is located on a side of the light guide layer adjacent to the first spacer layer.
4. A light guide device according to claim 1, further comprising:
the second isolation layer is positioned on the upper side of the light guide layer;
a second PVB layer located on the upper side of the second isolation layer;
a second protective support layer on the upper side of the second PVB layer.
5. A light guide device according to claim 4, further comprising: a first fused layer and a second fused layer;
the first blending layer is positioned between the light guide layer and the first isolation layer, and the second blending layer is positioned between the light guide layer and the second isolation layer;
the first fusion layer is used for fusing the light guide layer and the first isolation layer; the second fusion layer is used for fusing the light guide layer and the second isolation layer.
6. A light guide device according to claim 1, wherein the material of the light guide layer is glass; the pattern region is formed by etching glass.
7. A light guide device according to claim 4, wherein the material of the light guide layer is plastic; the pattern area is formed by perforating the plastic.
8. The light guide device according to claim 4, wherein the first spacer layer and the second spacer layer are both made of a hard transparent material.
9. A light guide device according to claim 8, wherein the hard transparent material is polyethylene terephthalate.
10. The light guide device according to claim 8, wherein the first and second isolation layers are each a photovoltaic sheet, and the photovoltaic sheet is connected to a storage battery through a wire.
11. A light guide device according to claim 5, wherein the material of the first and second blend layers is a transparent adhesive material.
12. A light guide device according to claim 11, wherein the transparent adhesive material has a crosslinking property.
13. A light guide device according to claim 12, wherein the transparent adhesive material is an ethylene-vinyl acetate copolymer.
14. A light-emitting sunroof apparatus for an automobile, comprising a light-emitting module and the light guide device according to any one of claims 1 to 13, wherein the light-emitting module is disposed on the light guide device, and the light guide device receives the light emitted from the light-emitting module, and changes the propagation direction of the light entering the light guide device to form a pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220450082.XU CN216886465U (en) | 2022-03-02 | 2022-03-02 | Light guide device and automobile light-emitting skylight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220450082.XU CN216886465U (en) | 2022-03-02 | 2022-03-02 | Light guide device and automobile light-emitting skylight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216886465U true CN216886465U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220450082.XU Active CN216886465U (en) | 2022-03-02 | 2022-03-02 | Light guide device and automobile light-emitting skylight device |
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| Country | Link |
|---|---|
| CN (1) | CN216886465U (en) |
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- 2022-03-02 CN CN202220450082.XU patent/CN216886465U/en active Active
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