PC interlayer liquid crystal starry sky film

Abstract

The utility model relates to the technical field of automobile sunroofs, and discloses a PC interlayer liquid crystal starry sky film which comprises a sunroof glass main body, two layers of EVA films are arranged at the bottom of the sunroof glass main body, and a light-superconducting PC film material is arranged between the two layers of EVA films. According to the utility model, the liquid crystal pattern is filled in the light-superconducting PC film material, the two layers of EVA films are adopted to clamp the liquid crystal pattern in the middle, and the ultra-white glass is attached below the liquid crystal pattern, so that a relatively closed and stable structure system is formed, and the structure effectively prevents the liquid crystal pattern from being directly exposed in an external environment; and compared with a traditional surface printing or film pasting mode, the internal packaging can better resist various physical damages in daily use, the durability of the product is greatly improved, and it is ensured that the good decoration effect can still be kept after long-term use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile sunroof, specifically to a PC interlayer liquid crystal starry sky film. BACKGROUND

[0002] In the field of modern architecture and automobile industry, the application of sunroof glass is increasingly widespread, which not only can introduce natural light into the room or car, improve the permeability and comfort of space, but also improve the overall aesthetic and fashion to a certain extent.

[0003] With the continuous improvement of people's quality of life and aesthetic requirements, the demand for decorative and personalized sunroof glass is increasingly strong. The existing starry sky decoration effect implementation mode often prints or pastes a starry sky pattern film on the surface, which has poor durability and is easily affected by friction, scratching and environmental factors (such as temperature change, humidity and ultraviolet radiation), resulting in pattern fading, falling off or deformation, which cannot maintain stable decoration effect for a long time, so a PC interlayer liquid crystal starry sky film is proposed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a PC interlayer liquid crystal starry sky film in view of the deficiencies in the prior art.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a PC interlayer liquid crystal starry sky film, which comprises a sunroof glass main body, two layers of EVA film are arranged at the bottom of the sunroof glass main body, a superconducting light PC film material is arranged between the two layers of EVA film, the superconducting light PC film material is filled with a liquid crystal pattern, a super white glass is arranged at the bottom of the lower EVA film, and ultraviolet lamps are arranged on the left and right sides of the superconducting light PC film material.

[0006] Preferably, the sunroof glass main body is a laminated sunroof glass.

[0007] Preferably, the ultraviolet lamps on the left and right sides are oppositely arranged.

[0008] Preferably, a printing cover layer is arranged between each ultraviolet lamp and the sunroof glass main body.

[0009] Preferably, an optical shading strip is arranged on the outside of each ultraviolet lamp.

[0010] Preferably, the thickness of each EVA film is 20um.

[0011] The utility model adopts the above technical scheme, which can bring the following beneficial effects:

[0012] 1. The PC sandwich liquid crystal starry sky film fills the liquid crystal pattern in the superconducting light PC film material, and adopts two EVA films to sandwich the same, and then pastes the super white glass below, to form a relatively closed and stable structure system, which effectively avoids the direct exposure of the liquid crystal pattern to the external environment, reduces the possibility of pattern damage caused by friction and scratching, compared with the traditional surface printing or pasting film, the internal packaging can better resist various physical damages in daily use, greatly improves the durability of the product, ensures that the good decorative effect can be maintained after long-term use, and can present a unique starry sky effect under the irradiation of the ultraviolet lamp, adds a romantic and mysterious artistic atmosphere to the indoor space, and greatly meets the needs of users for personalization and high-end decoration.

[0013] 2. The PC sandwich liquid crystal starry sky film has simple structure, easy to manufacture, small film layer thickness, and greatly reduced thermal expansion stress, thereby reducing the probability of blistering and falling off. DETAILED DESCRIPTION

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] In the figure: 1, sunroof glass main body; 2, EVA film; 3, superconducting light PC film material; 4, liquid crystal pattern; 5, super white glass; 6, ultraviolet lamp; 7, printed cover layer; 8, light shielding strip. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] In the description of the utility model, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0018] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "arrangement" should be understood broadly, for example, it can be fixedly connected, arranged, or it can be detachably connected, arranged, or integrally connected, arranged.

[0019] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" is two or more than two, unless there is definite specific limitation.

[0020] Please refer to Figure 1The utility model discloses an embodiment is: a kind of PC interlayer liquid crystal starry sky membrane, including sunroof glass main body 1, sunroof glass main body 1 is interlayer sunroof glass, the bottom of sunroof glass main body 1 is provided with two layers EVA film 2, the thickness of each EVA film 2 is 20um, two layers EVA film 2 being set firmly with superconducting light PC membrane material 3 in the middle, and with sunroof glass main body 1 and superwhite glass 5 tightly bonded together, form an overall structure, ensure the relative position stability between each layer material, prevent the phenomenon such as delamination, peeling in the use process, and EVA film 2 has certain flexibility and elasticity, can effectively buffer external impact force to the influence of internal superconducting light PC membrane material 3 and liquid crystal pattern 4, simultaneously, EVA film 2 can block moisture, oxygen, dust and other impurities in outside to internal structure to some extent, prevent these factors from causing erosion, oxidation or pollution to liquid crystal pattern 4 and superconducting light PC membrane material 3, prolong the service life of product, two layers EVA film 2 are provided with superconducting light PC membrane material 3, superconducting light PC membrane material 3 is filled and carried matrix as liquid crystal pattern 4, provides a stable environment for liquid crystal molecule, simultaneously, it has good light transmission performance, can emit the ultraviolet of ultraviolet lamp 6 evenly to entire liquid crystal pattern 4 area, so that liquid crystal molecule can be fully excited, and then realize effective control to light and the presentation of optical effect, superconducting light PC membrane material 3 is filled with liquid crystal pattern 4, under the irradiation of ultraviolet lamp 6, the arrangement of liquid crystal molecule in liquid crystal pattern 4 changes, to change the propagation path and optical properties of light, present various starry sky related pattern modality, create romantic, mysterious atmosphere in car, satisfy the demand of personalization, high-end decoration to user, and the response speed of liquid crystal molecule to ultraviolet light is relatively fast, can realize the display and change of pattern in short time, make the switching and adjustment of car starry sky effect quick, smooth, provide immediate visual feedback for user, strengthen the interactivity and use experience of product, the bottom of lower EVA film 2 is provided with superwhite glass 5, superwhite glass 5 has very high light transmittance, almost does not affect the transmission of light, cooperates with superconducting light PC membrane material 3 and sunroof glass main body 1, ensure that car can obtain sufficient, bright light, simultaneously, with sunroof glass main body 1 jointly bear the pressure and stress from outside, further enhance the overall structural strength of PC interlayer liquid crystal starry sky membrane, the left and right sides of superconducting light PC membrane material 3 are provided with ultraviolet lamp 6 respectively, the ultraviolet lamp 6 of left and right sides is relatively set, by starting ultraviolet lamp 6 and emitting ultraviolet, provide excitation energy for the liquid crystal molecule in superconducting light PC membrane material 3, promote liquid crystal molecule to change arrangement, to change the propagation and scattering characteristics of light, realize the appearance of starry sky pattern and the generation of optical effect, each ultraviolet lamp 6 is provided with printed cover layer 7 between sunroof glass main body 1, the printed cover layer 7 being set plays the role of covering ultraviolet lamp 6 and its connecting circuit etc. component, make sunroof glass look more neat, beautiful from appearance, improve the overall decorative property of product,Meanwhile, the ultraviolet light emitted by the ultraviolet lamp 6 is partially blocked from spreading to other areas in the vehicle, reducing the potential harm to the skin and eyes of the people in the vehicle, and an optical barrier 8 is arranged on the outer side of each ultraviolet lamp 6, which limits the propagation direction of the light emitted by the ultraviolet lamp 6, so that it is more concentrated on the superconducting light PC film material 3, improving the utilization efficiency of light, and by blocking the light from spreading in the direction that is not needed, the visual interference caused by light leakage to other areas in the vehicle is avoided, and the energy waste is also reduced, ensuring that the energy of the ultraviolet lamp 6 can be effectively used to excite the liquid crystal pattern 4 to produce a starry sky effect; by filling the liquid crystal pattern 4 in the superconducting light PC film material 3 and using two layers of EVA film 2 to sandwich it in the middle, and then pasting the super white glass 5 below, a relatively closed and stable structure system is formed, which effectively avoids the direct exposure of the liquid crystal pattern 4 to the external environment, reduces the possibility of pattern damage caused by friction and scratching, compared with the traditional surface printing or pasting film method, the internal packaging can better resist various physical damages in daily use, greatly improving the durability of the product, ensuring that it can still maintain good decorative effect after long-term use, and under the irradiation of the ultraviolet lamp 6, it can present a unique starry sky effect, adding a romantic and mysterious artistic atmosphere to the interior space, greatly meeting the needs of users for personalization and high-end decoration, and the structure is simple, easy to manufacture, the film layer thickness is small, and the thermal expansion stress is greatly reduced, reducing the probability of blistering and falling off.

[0021] Working principle: the user starts the ultraviolet lamp 6 through the control switch in the vehicle to make it start emitting light, the ultraviolet light emitted by the ultraviolet lamp 6 irradiates in the direction of the superconducting light PC film material 3, the ultraviolet light irradiates on the liquid crystal pattern 4 filled in the superconducting light PC film material 3, the liquid crystal molecules have special optical and electrical properties, under the excitation of ultraviolet light, the arrangement of liquid crystal molecules changes, thereby affecting the propagation and scattering characteristics of light, this change makes the liquid crystal pattern 4 begin to show a specific optical effect, such as presenting starry sky related pattern forms such as star twinkling and star cloud flowing, since the liquid crystal pattern 4 is filled in the entire superconducting light PC film material 3 and uniformly distributed under the protection and fixation of the two layers of EVA film 2, it can form a coherent and realistic starry sky effect in the entire sunroof glass area, when the user operates the control switch again to turn off the ultraviolet lamp 6, the ultraviolet lamp 6 stops emitting light, the liquid crystal pattern 4 loses the excitation of ultraviolet light, the liquid crystal molecules return to the initial arrangement state, the starry sky effect disappears, and the sunroof glass returns to the normal appearance state.

[0022] It is worth noting that the power supply interface of the electric device in the utility model is connected with the power supply system of the automobile through a switch (not shown in the figure) and a wire (not shown in the figure), thereby realizing control thereof, the circuit and control involved are prior art and are known in the current field, and will not be described in detail here.

[0023] The utility model provides a kind of PC interlayer liquid crystal starry sky film, the method and approach of the specific implementation of this technical scheme are many, above-mentioned is only the preferred embodiment of the utility model, it should be pointed out, for the ordinary skilled person in the art, without departing from the principle of the utility model, still can make several improvements and refinements under the premise, these improvements and refinements also should be considered as the protection scope of the utility model. The components not specified in the embodiment can be implemented using existing technology.

Claims

1. A PC interlayer liquid crystal starry sky film, comprising a sunroof glass body (1), characterized in that: The bottom of the sunroof glass body (1) is provided with two layers of EVA adhesive films (2), and a super light conducting PC film material (3) is arranged between the two layers of EVA adhesive films (2), the super light conducting PC film material (3) is filled with liquid crystal patterns (4), the bottom of the lower EVA adhesive film (2) is provided with super white glass (5), and the left and right sides of the super light conducting PC film material (3) are respectively provided with ultraviolet lamps (6).

2. The PC interlayer liquid crystal starry sky film according to claim 1, characterized in that: The sunroof glass body (1) is a laminated sunroof glass.

3. The PC interlayer liquid crystal starry sky film according to claim 1, characterized in that: The ultraviolet lamps (6) on the left and right sides are oppositely arranged.

4. The PC interlayer liquid crystal starburst film of claim 1, wherein: A printing covering layer (7) is arranged between each ultraviolet lamp (6) and the sunroof glass body (1).

5. The PC interlayer liquid crystal starburst film of claim 1, wherein: An opaque strip (8) is arranged on the outer side of each ultraviolet lamp (6).

6. The PC interlayer liquid crystal starburst film of claim 1, wherein: The thickness of each EVA adhesive film (2) is 20um.

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