CN109899766B - On-vehicle ceiling interior lamp based on garrulous crystal block of quantum dot material - Google Patents
On-vehicle ceiling interior lamp based on garrulous crystal block of quantum dot material Download PDFInfo
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Abstract
The invention relates to a vehicle-mounted ceiling interior lamp based on quantum dot material crystal blocks. This interior trim lamp structure of vehicle ceiling, utilize the light guide plate to expand the LED light-emitting of line light source type for the area source light-emitting, light utilization ratio has been improved greatly, the demand to ceiling intermediate layer space has been reduced simultaneously, the little garrulous crystal of its quantum dot material changes the blue light LED area source of incidenting into the white light point of star point and decorates, the indefinite atmosphere effect of bright and dark scintillation is built out, this kind of ornament lamp does not have high expectations to the homogeneity of backlight, the design of light guide plate microstructure has been simplified, regard as the carrier of garrulous crystal block with unsaturated polyester resin, cladding quantum dot material can be so that not by a small amount of outgoing of the blue light of fully transform, the decorative effect of atmosphere lamp has been improved greatly.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted ceiling decoration, and particularly relates to a vehicle-mounted ceiling interior decoration lamp based on quantum dot material crystal blocks.
Background
The automobile interior decoration is a necessary product of the rapid development of industrial economy, the increasingly deep humanity of automobile culture and the continuous progress of consumption concept. Along with the improvement of the living standard of people and the transformation of consumption concept, the automobile has been regarded as popular consumer goods to enter the life of people, the automobile of oneself is made to look clean and tidy, comfortable, becomes the car target of most car owners, consequently all has further requirement to the automobile manufacturer in the decoration, atmosphere of automobile are rendered, through constantly researching and developing, improve novel car environment atmosphere lamp and make automobile manufacturer can attract more consumption market.
The traditional automobile interior decorative lamp is mainly concentrated in the door side and the automobile workbench area, the utilization rate of a ceiling is not high, most automobile manufacturers only provide illumination for the ceiling decorative lamp, the decorative lamp for atmosphere rendering is provided with a light source in an interlayer of the ceiling in an optical fiber conduction mode, emergent light of the light source is split by a large number of optical fiber wires, and bright spots with the same color as the light source are generated on the cross section of the optical fiber wires; the brightness of the bright spots is provided by a light source, and then the optical fiber leads are artificially and randomly inserted into the partition plate of the ceiling and the leather and fur on the surface of the partition plate. However, a large number of optical fiber wires need a larger ceiling interlayer space, so that the use space inside the automobile is compressed, the comfort level is reduced, and in addition, a large number of optical fiber wires need to be inserted into a ceiling partition plate, so that the production flow and the time period for manufacturing the ceiling by automobile manufacturers are further improved, the brightness of the rendering environment lamp of the ceiling is uniformly regulated and controlled by a light source inside the interlayer, and the decorative lamp effect is too single.
In summary, it is necessary to provide a vehicle-mounted ceiling interior lamp based on quantum dot material crystal broken blocks, which converts and mixes the light rays of the side-in backlight source into white light mainly through the light conversion characteristics of the quantum dot material to form white star points. With blue light LED lamp strip as the light source, inseparable laminating in special-shaped light guide plate edge, light becomes face type light-emitting through micro-structure modulation, because the decorative effect of star point formula, the homogeneity requirement that is shaded to the face type is not high, has reduced the degree of difficulty of special-shaped light guide plate and micro-structure design and to the demand in ceiling intermediate layer space. The quantum dot crushed crystals are manufactured by injection molding and then crushing of the model, so that each crushed crystal has a multi-edge structure, and can be embedded into the ceiling partition plate through stamping, and the manufacturing process of the ceiling interior lamp is simplified; in addition, due to the uncertainty of the size of broken quantum dot crystal particles, the content of quantum dot mixed materials in the broken crystal is different, the light conversion result is also different, and the decorative star point effect is further improved.
Disclosure of Invention
The invention aims to provide a vehicle-mounted ceiling interior lamp based on quantum dot material crystal blocks so as to adjust the environment atmosphere in an automobile.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a vehicle-mounted ceiling interior lamp based on quantum dot material crystal broken blocks is sequentially provided with a vehicle-mounted ceiling interlayer, a side-in light source, a substrate light guide layer, a ceiling partition plate, quantum dot material crystal broken blocks and an interior fur layer from top to bottom; the vehicle-mounted ceiling interlayer is sequentially provided with a buffer layer, a reflecting film and a special-shaped light guide plate from top to bottom and is located below a metal roof of a vehicle.
The buffer layer is used for relieving external impact to protect the passenger headspace safety and also used for protecting the special-shaped light guide plate from being damaged by external stress, and the material of the buffer layer is required to have certain hardness and can absorb shock and buffer;
the reflecting film is clamped between the special-shaped light guide plate and the buffer layer, reflects light leaked from the upper part of the special-shaped light guide plate, and leads the light into the special-shaped light guide plate again to be emergent, so that the light utilization rate is improved;
the lateral light source is arranged on the side face of the special-shaped light guide plate, a light strip with an LED lattice or array structure is adopted, the head-to-tail interval of adjacent light sources is 0.5 mm-50 mm, the central wavelength is 450nm, and the half-peak width is 19.3 nm;
the special-shaped light guide plate guides light entering the main structure from the side edge, scattering dots capable of changing the light path of the light are printed on the top surface of the special-shaped light guide plate through a silk-screen printing process, and the bottom surface of the special-shaped light guide plate is a light emitting surface and guides the light entering the light source from the side to the ceiling;
the light guide layer of the substrate is sequentially provided with a diffusion membrane, a prism membrane, a diffusion membrane and a transparent membrane from top to bottom to further soften the emergent light of the light guide plate, so that the emergent light of the surface light source is relatively uniform;
the ceiling partition plate is a top plate of an inner space of an automobile, the crushed crystal blocks of the quantum dot material are embedded in the ceiling partition plate, and the crushed crystal blocks of the quantum dot material contain red and green quantum dot particles and ink scattering particles, so that incident blue light can be converted into white light.
Interior skin grass layer is the decoration of car inside, and this layer main function improves the inside atmosphere of car, improves interior comfort level of car.
Further, the material of the buffer layer is a functional board layer which is formed by laminating or flame-laminating a glass fiber or regenerated cotton impregnated with resin, a polystyrene foam plastic board, special corrugated paper and a filling material polyurethane or polyolefin resin foam plastic and has the function of buffering and absorbing shock, but the material is not limited to the functional board layer.
Furthermore, the distance between the light emitting surface of the lateral light source and the side edge of the light guide plate is less than or equal to 1mm, and the lateral light source can be considered to be tightly attached to the light guide plate, so that the bendable and foldable LED lamp strip is selected as an excitation light source; the side-entering light source LED chip is a blue light LED chip with the central wavelength of 450nm and high energy, so that red and green quantum dot materials can emit red and green spectrums with large forbidden bandwidth through light conversion under the excitation of the red and green quantum dot materials, and finally white light is mixed.
Further, the special-shaped light guide plate material can be an organic material, including: one or more of Polyethylene (PE), polypropylene (PP), polyethylene naphthalate (PEN), Polycarbonate (PC), polymethyl acrylate (PMA), polymethyl methacrylate (PMMA), Cellulose Acetate Butyrate (CAB), siloxane, polyvinyl chloride (PVC), polyvinyl alcohol (PVA), polyethylene terephthalate (PET), modified polyethylene terephthalate (PETG), Polydimethylsiloxane (PDMS) or Cyclic Olefin Copolymer (COC); the thickness of the light guide plate main body is between 0.01mm and 2mm, and the plate type is changed according to the space of the vehicle ceiling so that the light guide plate main body is stably arranged in the space of the ceiling interlayer under the fixing buckle; the top surface of the light guide plate is changed into the top surface microstructure of the light guide plate by methods such as silk screen printing process, laser etching, hot pressing and the like, and the cross section of the structure can be in a geometric figure such as a triangle, a circle, a semicircle, a column and the like, but is not limited to the geometric figure.
Further, the quantum dot crushed crystal material can be selected from II-VI compounds, also can be selected from III-V compounds, can be an inorganic compound, also can be an organic compound, and preferably is a silicon quantum dot, a germanium quantum dot, a cadmium sulfide quantum dot, a cadmium selenide quantum dot, a cadmium telluride quantum dot, a zinc selenide quantum dot, a lead sulfide quantum dot, a lead selenide quantum dot, an indium phosphide quantum dot and an indium arsenide quantum dot material. The manufacturing method of the quantum dot material crystal blocks comprises the following steps:
(1) a cubic pool with the volume thickness of 1-2 cm is molded by using silicon rubber MSR-55, a curing agent drying agent, gypsum, paraffin and a plasticine material, and a parting surface is correctly selected to ensure that a product can be smoothly demoulded. And (3) molding a parting surface by using the molding mud, wherein the protruding edge width of the parting surface is 20-40 mm, and the protruding edge of the parting surface is grooved and punched for sealing and positioning. And (3) preparing a silica gel mold, uniformly coating the ingredients on the handicraft model and the protruding edges of the parting surface, uniformly paving gauze when the silica gel does not flow after standing, and uniformly coating a layer after matching with a certain amount of silica gel. After one half mold is made, the plasticine is removed, and the other half mold is made continuously. In order to prevent the deformation of the silicone mold, gypsum can be used as an outer liner to fix the silicone mold.
(2) Uniformly mixing red quantum dots R-QDs and green quantum dots G-QDs with printing ink, and adding the mixed quantum dot slurry into a cast surface layer formula and an inner layer formula to obtain a surface layer material and an inner layer material, wherein the surface layer formula comprises unsaturated polyester resin, cyclohexanone peroxide and cobalt naphthenate. Because the surface layer adopts a coating method, the material layer is thinner and is not easy to generate implosion, so in order to improve the surface layer hardness, more curing agents and accelerators can be matched than the inner layer. The inner layer formula comprises unsaturated polyester resin, a curing agent and an accelerant, the curing agent and the accelerant in the inner layer are added in equal amount, the dosage of the curing agent and the accelerant is determined according to the size of the volume of the casting handicraft and the height of the room temperature during casting, the larger the volume is, the smaller the dosage is, and the higher the room temperature (casting temperature) is, the smaller the dosage is.
(3) And (3) uniformly coating the surface material obtained in the step (2) on the inner wall of the silica gel mold by using a hairbrush, and closing the mold when the coating enters a gel state. And pouring the inner layer material into a mold, putting the mold into a vacuum box, vacuumizing the vacuum box so as to eliminate bubbles, and removing the mold after the resin is cured to obtain a cubic quantum dot crystal block.
(4) Putting the quantum dot crystal blocks into a vibrating screen to be crushed, and separating and guiding out quantum dot crushed crystal particles with the particle sizes of 2-3 mm in width and 8-11 mm in length through an automatic color separation machine to obtain the quantum dot material crushed crystal blocks. The crushed crystal particles are embedded into the partition board and the fur layer of the automobile roof in an impressing mode.
Furthermore, the ceiling partition plate is formed by covering a surface layer and foam, wherein the surface layer plays a decorative role, and the foam layer plays heat insulation, sound absorption and sound insulation roles. The surface layer is made of fabric such as woven fabric and woven cloth, artificial leather, PVC film and other materials; the foam layer is made of Polyurethane (PU) or cross-linked polyethylene (XPE) foam; the surface layer and the foam layer are compounded together by a laminating method. In an embodiment of the present invention, the imprinting method of the light guide plate with the scattering microstructures may be hot imprinting, ultraviolet curing imprinting, or micro-contact imprinting, but is not limited thereto; the light guide plate may also be formed by extrusion/injection molding through designing a mold cavity with scattering microstructures by using an extrusion/injection molding technology, but is not limited thereto.
The interior lamp structure of the vehicle ceiling utilizes the light guide plate to expand the light emitted by the linear light source type LED into the light emitted by the surface light source, greatly improves the light utilization rate, simultaneously reduces the requirement on the interlayer space of the ceiling, the cubic quantum dot crystal block condensed by the quantum dot material and the unsaturated polyester resin is crushed into the irregular multi-edge crushed crystal structure through the vibrating screen, can be embedded into the ceiling partition plate in a large area in an embossing mode, the working procedure is simple and easy to realize, the small crushed crystal of the quantum dot material converts the incident blue light LED surface light source into the white light embellishment of the starry dot, creates the atmosphere effect with variable bright and dark flicker, the decorative lamp has low requirement on the uniformity of the backlight source, simplifies the design of the microstructure of the light guide plate, uses the unsaturated polyester resin as the carrier of the crushed crystal block, coats the quantum dot material and can enable the insufficiently converted blue light to be emitted in, the decorative effect of the atmosphere lamp is greatly improved.
Drawings
FIG. 1 is a view of the internal space components of the vehicle-mounted ceiling interlayer in the vehicle-mounted ceiling internal decoration lamp based on the quantum dot material crystal crushing block;
FIG. 2 is a cross-sectional view of the structure of the vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block;
FIG. 3 is a micro-structure diagram of the top mesh points of the special-shaped light guide plate in the vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block;
FIG. 4 is a quantum dot crystal block mold diagram in the vehicle-mounted ceiling interior lamp based on the quantum dot material crystal blocks;
FIG. 5 is a quantum dot crystal crushing diagram in the vehicle-mounted ceiling internal decoration lamp based on the quantum dot material crystal crushing block;
in the figure: 1-vehicle-mounted ceiling interlayer, 101-buffer layer, 102-reflecting film, 103-special-shaped light guide plate, 104-dot microstructure, 2-side-in light source, 3-substrate light guide layer, 4-ceiling partition plate, 5-quantum dot material crystal crushing block, 6-interior ornamental turf grass layer, 7-automobile interior space and 8-mold pool.
Detailed Description
The technical scheme of the invention is specifically explained below with reference to the accompanying drawings.
Examples
The utility model provides a vehicle-mounted ceiling interior lamp based on garrulous brilliant piece of quantum dot material, this vehicle-mounted ceiling interior lamp structure based on garrulous brilliant piece of quantum dot material includes buffer layer, reflectance coating, special-shaped light guide plate and side income formula light source, base plate light guide layer, ceiling division board and garrulous brilliant piece of quantum dot material, interior fur coat layer.
The buffer layer is the topmost part in an interlayer of a metal top plate and a ceiling of the vehicle, is used for slowing down external impact to protect the safety of a passenger top space and is also used for protecting the special-shaped light guide plate from being damaged by external stress, and the material of the buffer layer is required to have certain hardness and can absorb shock and buffer;
the reflecting film is clamped between the special-shaped light guide plate and the buffer layer, reflects light leaked from the upper part of the special-shaped light guide plate, and leads the light into the special-shaped light guide plate again to be emergent, so that the light utilization rate is improved;
the lateral light source is arranged on the side face of the special-shaped light guide plate, a light strip with an LED lattice or array structure is adopted, the head-to-tail interval of adjacent light sources is 5mm, the central wavelength is 450nm, and the half-peak width is 19.3 nm;
the special-shaped light guide plate guides light entering the main structure from the side edge, scattering dots capable of changing the light path of the light are printed on the top surface of the special-shaped light guide plate through a silk-screen printing process, and the bottom surface of the special-shaped light guide plate is a light emitting surface and guides the light entering the light source from the side to the ceiling;
the light guide layer of the substrate is sequentially provided with a diffusion membrane, a prism membrane, a diffusion membrane and a transparent membrane from top to bottom to further soften the emergent light of the light guide plate, so that the emergent light of the surface light source is relatively uniform;
the ceiling partition plate is a top plate of an inner space of an automobile, the quantum dot material crushed crystal blocks are embedded in the ceiling partition plate, and the quantum dot material crushed crystal blocks contain red and green quantum dot particles and ink scattering particles, so that incident blue light can be converted into white light.
Interior skin grass layer is the decoration of car inside, and this layer main function improves the inside atmosphere of car, improves interior comfort level of car.
In this embodiment, the buffer layer is made of a functional sheet layer of filling material polyurethane compounded together by a lamination method to play a role in slowing down and shock absorption.
In the embodiment, the distance between the light emitting surface of the lateral light source and the side edge of the light guide plate is 0.5mm, and the lateral light source can be considered to be tightly attached to the light guide plate, so that the bendable and foldable LED lamp strip is selected as an excitation light source; the side-entering light source LED chip is a blue light LED chip with the central wavelength of 450nm and high energy, so that red and green quantum dot materials can emit red and green spectrums with large forbidden bandwidth through light conversion under the excitation of the red and green quantum dot materials, and finally white light is mixed.
In this embodiment, the special-shaped light guide plate material is made of an organic material, namely polymethyl methacrylate (PMMA), the thickness of the light guide plate body is 2mm, the shape of the light guide plate body is set to be consistent with that of an automobile roof, the light guide plate body is stably arranged in the interlayer space of the roof through a fixing buckle, the mesh point microstructures are protruding hemispheroids, the height of the mesh point microstructures is 10 micrometers, a front-down scattering effect is achieved on light, the distribution of the microstructures is generally in a rule that the microstructures are sparsely arranged close to a light incident side and are compactly arranged far away from. The main component of the micro-particles is ink, the micro-particles are formed by blade coating on the upper surface of the light guide plate by a screen printing process, and the micro-particles are adhered to the upper surface of the light guide plate after heating and curing.
In this embodiment, the quantum dot crushed crystal material is a zinc sulfide coated cadmium selenide core-shell structured quantum dot material. The manufacturing method of the quantum dot material crystal blocks comprises the following steps:
(1) a cubic pool with the volume and thickness of 1cm is molded by utilizing silicon rubber MSR-55, curing agent drying agent, gypsum, paraffin and molding mud, a parting surface is molded by using the molding mud, the width of a protruding edge of the parting surface is 20mm, and grooves and holes are formed in the protruding edge of the parting surface for sealing and positioning. And (3) preparing a silica gel mold, uniformly coating the ingredients on the handicraft model and the protruding edges of the parting surface, uniformly paving gauze when the silica gel does not flow after standing, and uniformly coating a layer after matching with a certain amount of silica gel. After one half mold is made, the plasticine is removed, and the other half mold is made continuously. In order to prevent the silica gel mold from deforming, the silica gel mold is fixed by using plaster as an outer lining.
(2) Uniformly mixing red quantum dots R-QDs and green quantum dots G-QDs with printing ink, wherein the red and green quantum dots are made of CdSe/ZnS, the using amounts of the red and green quantum dots are R-QD0.1g, G-QD1G and 15G of printing ink, adding mixed quantum dot slurry into a cast surface layer formula and a cast inner layer formula to obtain a surface layer material and an inner layer material, wherein the surface layer formula comprises the following components in percentage by mass: 96wt% of unsaturated polyester resin, 2wt% of cyclohexanone peroxide and 2wt% of cobalt naphthenate; the inner layer comprises the following components in percentage by mass: 99wt% of unsaturated polyester resin, 0.5wt% of curing agent and 0.5wt% of accelerator.
(3) Uniformly coating a layer of surface material on the inner wall of the silica gel mold by using a brush, and closing the mold when the coating enters a gel state. And pouring the inner layer material into a mold, putting the mold into a vacuum box, vacuumizing the vacuum box so as to eliminate bubbles, and removing the mold after the resin is cured to obtain a cubic quantum dot crystal block.
(4) Putting the quantum dot crystal blocks into a vibrating screen to be crushed, and separating and guiding out quantum dot crushed crystal particles with the particle sizes of 2-3 mm in width and 8-11 mm in length through an automatic color separation machine to obtain the quantum dot material crushed crystal blocks. The automobile roof partition board is embedded into the leather layer and the leather layer of the automobile roof partition board in an embossing mode.
In this embodiment, the ceiling partition plate is formed by laminating a surface layer and a foam, the surface layer plays a decorative role, and the foam layer plays a heat insulation, sound absorption and sound insulation role. The surface layer is made of a woven fabric material; the foam layer is made of Polyurethane (PU); the surface layer and the foam layer are compounded together by a laminating method. In an embodiment of the invention, the imprinting method of the light guide plate with the scattering microstructures is ultraviolet curing imprinting.
The foregoing is merely illustrative of the present invention, and it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a vehicle-mounted ceiling interior trim lamp based on garrulous crystal block of quantum dot material which characterized in that: the vehicle-mounted ceiling interlayer, the side-in light source, the substrate light guide layer, the ceiling partition plate, the quantum dot material crystal crushing block and the inner decorative fur layer are sequentially arranged from top to bottom; the vehicle-mounted ceiling interlayer is sequentially provided with a buffer layer, a reflecting film and a special-shaped light guide plate from top to bottom and is positioned below a metal roof of a vehicle;
the reflecting film is clamped between the special-shaped light guide plate and the buffer layer, reflects light leaked from the upper part of the special-shaped light guide plate, and leads the light into the special-shaped light guide plate again to be emergent, so that the light utilization rate is improved;
the lateral light source is arranged on the side face of the special-shaped light guide plate;
the light guide layer of the substrate is sequentially provided with a diffusion membrane, a prism membrane, a diffusion membrane and a transparent membrane from top to bottom to further soften the emergent light of the light guide plate, so that the emergent light of the surface light source is relatively uniform;
the ceiling partition plate is a top plate of an inner space of an automobile, a crushed crystal block made of the quantum dot material is embedded in the ceiling partition plate, and the crushed crystal block made of the quantum dot material contains red and green quantum dot particles and ink scattering particles, so that incident blue light is converted into white light; the inner decorative fur layer is used for automobile interior decoration;
the preparation method of the quantum dot material crystal crushing block comprises the following steps:
(1) a cubic pool with the volume thickness of 1-2 cm is molded by using silicon rubber MSR-55, a curing agent drying agent, gypsum, paraffin and plasticine, and a parting surface is selected to ensure smooth demoulding of a product; molding a parting surface by using plastic cement, wherein the protruding edge of the parting surface is 20-40 mm wide, and grooving and punching are performed on the protruding edge of the parting surface for sealing and positioning; preparing a silica gel mold, uniformly coating the ingredients on the handicraft model and the protruding edges of the parting surface, uniformly laying gauze when the silica gel does not flow after standing, and uniformly coating a layer after matching with a certain amount of silica gel; after one half die is manufactured, the plasticine is unloaded, and the manufacturing of the other half die is continued;
(2) uniformly mixing red quantum dots R-QDs and green quantum dots G-QDs with printing ink, and respectively adding mixed quantum dot slurry into a cast surface layer formula and a cast inner layer formula to obtain a surface layer material and an inner layer material, wherein the surface layer formula comprises unsaturated polyester resin, cyclohexanone peroxide and cobalt naphthenate; the inner layer is composed of unsaturated polyester resin, curing agent and accelerant;
(3) uniformly coating a layer of the surface material obtained in the step (2) on the inner wall of the silica gel mold by using a brush, and closing the mold when the coating enters a gel state; pouring the inner layer material into a mold, placing the mold in a vacuum box, vacuumizing to eliminate bubbles, and removing the mold after curing reaction to obtain a cubic quantum dot crystal block;
(4) putting the quantum dot crystal blocks into a vibrating screen to be crushed, separating and guiding out quantum dot crushed crystal particles with the particle size of 2-3 mm in width and 8-11 mm in length through an automatic color separator to obtain quantum dot material crushed crystal blocks; the quantum dot material crystal blocks are embedded into the automobile roof partition plate and the fur layer in an impressing mode.
2. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the buffer layer material is one or more of glass fiber impregnated with resin, regenerated cotton, polystyrene foam plastic board, special corrugated paper and filling material polyurethane, and polyolefin resin bubbles compounded by a laminating method or a flame method.
3. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the lateral light source adopts a lamp strip with an LED lattice or array structure, the head-to-tail interval of adjacent light sources is 0.5mm to 50 mm, the central wavelength is 450nm, the half-peak width is 19.3nm of a blue light LED, and the distance between the light emitting surface of the blue light LED and the side edge of the special-shaped light guide plate is less than or equal to 1 mm.
4. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the special-shaped light guide plate guides light entering the main body structure from the side edge, scattering dots capable of changing light paths are printed on the top surface of the special-shaped light guide plate through a silk-screen printing process, and the bottom surface is a light emitting surface and guides the light entering the light source from the side to the ceiling.
5. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the special-shaped light guide plate material is one or more of polyethylene, polypropylene, polyethylene naphthalate, polycarbonate, polymethyl acrylate, polymethyl methacrylate, cellulose acetate butyrate, siloxane, polyvinyl chloride, polyvinyl alcohol, polyethylene terephthalate, modified polyethylene terephthalate, polydimethylsiloxane and cycloolefin copolymer; the thickness is 0.01-2 mm.
6. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the quantum dot material crystal blocks are II-VI compounds or III-V compounds.
7. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the quantum dot material crystal breaking block is one of silicon quantum dot, germanium quantum dot, cadmium sulfide quantum dot, cadmium selenide quantum dot, cadmium telluride quantum dot, zinc selenide quantum dot, lead sulfide quantum dot, lead selenide quantum dot, indium phosphide quantum dot and indium arsenide quantum dot material.
8. The vehicle-mounted ceiling interior lamp based on the quantum dot material crystal crushing block as claimed in claim 1, characterized in that: the ceiling partition plate is formed by covering a surface layer and foam, the surface layer plays a decorative role, and the foam layer plays heat insulation, sound absorption and sound insulation roles; the surface layer is made of woven fabric, woven cloth, artificial leather or PVC film; the foam layer is made of polyurethane or cross-linked polyethylene foam; the surface layer and the foam layer are compounded by adopting a laminating method.
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| WO2022195614A1 (en) * | 2021-03-17 | 2022-09-22 | Saint-Gobain Glass France | A vehicle glazing with quantum dot coated substrate |
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| CN112664858B (en) * | 2019-10-15 | 2023-04-14 | 上海汽车集团股份有限公司 | Vehicle ceiling atmosphere lamp and lamp shade thereof |
| CN114859451A (en) * | 2022-05-04 | 2022-08-05 | 苏州中亿丰光电有限公司 | Preparation method of blue light removing and interference removing lamp for classroom illumination |
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| CN1900787A (en) * | 2005-07-20 | 2007-01-24 | 明达光电(厦门)有限公司 | Liquid crystal screen back light source |
| JP4858364B2 (en) * | 2007-09-06 | 2012-01-18 | 豊田合成株式会社 | Vehicle interior lighting system |
| CN103487857A (en) * | 2013-10-11 | 2014-01-01 | 张家港康得新光电材料有限公司 | Quantum dot film and backlight module |
| CN204268312U (en) * | 2014-12-26 | 2015-04-15 | 深圳帝光电子有限公司 | Vehicle LED backlight |
| CN206973469U (en) * | 2017-06-27 | 2018-02-06 | 广东正裕灯饰照明有限公司 | The printing opacity block structure of lampshade |
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| WO2022195614A1 (en) * | 2021-03-17 | 2022-09-22 | Saint-Gobain Glass France | A vehicle glazing with quantum dot coated substrate |
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