Automobile front windshield electronic sun-shading system with pattern display function

By installing DLC ​​liquid crystal dimming film and ITO film on the windshield of automobiles, combined with sound insulation layer and groove structure, the problems of lack of intelligent functions and insufficient sound insulation of modern automobile windshields are solved, and the pattern display and sound insulation effects are improved.

CN223508064UActive Publication Date: 2025-11-04ZHONGHE SCI & TECH (CHANGZHOU) CO LTD
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Patent Information

Application Number
CN202423314593.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-04
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Modern car windshields lack intelligent features, especially information transmission and interactive functions, and their sound insulation is inadequate.

Method used

A DLC liquid crystal dimming film, an ITO thin film, and wires are placed on the windshield of a car. The ITO thin film is deposited by magnetron sputtering and etched to form a circuit pattern. Combined with a sound insulation layer and a groove structure, pattern display and sound insulation effects are achieved.

Benefits of technology

It enables intelligent pattern display and enhanced sound insulation for automotive windshields, meeting personalized needs and improving practicality and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile front windshield electronic sun-shading system with a pattern display function, and belongs to the field of automobile accessories, the automobile front windshield electronic sun-shading system comprises an automobile front windshield mounted at the front part of an automobile, a sun-shading mechanism is arranged at the top in the automobile front windshield, a layer of uniform ITO film is deposited on a common glass substrate through a magnetron sputtering method, and when power is off, the ITO film is arranged on the surface of the automobile front windshield. Due to the fact that special dichroic dye molecules are added into the liquid crystal material, when the long axis of the liquid crystal molecules and the long axis of the dichroic dye molecules are parallel to the surface of the ITO thin film together under the condition that no electric field exists, light rays can be basically absorbed by dye liquid crystals, and the thin film is in a dark-color opaque state; when an electric field is applied, the liquid crystal molecules and the dichroism dye molecules can rotate along with the direction of the electric field, when the short axes of the liquid crystal molecules and the dichroism dye molecules are perpendicular to the surface of the thin film, the thin film is in a light-color transparent state, the functions of partitioned dimming, image-text logo display and the like can be achieved, the individual requirements of different scenes are met, and practicability is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile accessories, and particularly relates to an automobile front windshield electronic sunshade system with a pattern display function. BACKGROUND

[0002] The development of modern car appearance is closely related to the development of glass technology. As early as 40 years ago, the front windshield of a car has adopted a single-piece curved windshield, and the planar windshield has been gradually abandoned. With the development of intelligent technology, the traditional automobile front windshield cannot meet the needs of modern intelligent transportation.

[0003] At present, most of the automobile front windshields on the market are limited to simple protection, lack intelligent functions, especially lack effective information transmission and interaction functions. CONTENT OF THE INVENTION

[0004] In view of the deficiencies of the prior art, the automobile front windshield electronic sunshade system with a pattern display function is provided, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the following technical scheme is adopted: an automobile front windshield electronic sunshade system with a pattern display function, comprising an automobile front windshield installed on the front part of a car, characterized in that a protection mechanism is arranged on the surface of the automobile front windshield, and a sunshade mechanism is arranged on the top inside the automobile front windshield, the sunshade mechanism comprises an ITO film, two ITO films are symmetrically arranged inside the automobile front windshield, a DLC liquid crystal dimming film is fixedly connected between the two ITO films, a wire is fixedly connected to one side of the ITO film, and a sound insulation mechanism is arranged on the surface of the automobile front windshield.

[0006] As a preferred embodiment, the wire is electrically connected with the ITO film, and a rubber protection layer is fixedly connected to the outside of the wire.

[0007] By adopting the above technical scheme, the wire is electrically connected with the ITO film, and a corresponding current is generated by the wire connected with an external power supply or a signal generator to supply power to the light-emitting device connected with the ITO film, so that the light-emitting device connected with the ITO film can be better powered.

[0008] As a preferred embodiment, the protection mechanism comprises a heat insulation layer, the heat insulation layer is fixedly connected with the automobile front windshield, and a wear-resistant layer is fixedly connected to the side of the heat insulation layer away from the automobile front windshield.

[0009] By adopting the technical scheme, the heat insulation property of the automobile front windshield is strengthened by the heat insulation layer, and the wear resistance of the automobile front windshield is strengthened by the wear-resistant layer, so that the automobile front windshield can be better protected.

[0010] As a preferred embodiment, the heat insulation layer is made of polyethylene terephthalate material, and the wear-resistant layer is made of polyvinyl chloride material.

[0011] By adopting the technical scheme, the heat insulation property of the automobile front windshield is strengthened by the heat insulation layer, and the wear resistance of the automobile front windshield is strengthened by the wear-resistant layer, so that the automobile front windshield can be better protected.

[0012] As a preferred embodiment, the sound insulation mechanism comprises a groove, the groove is arranged on the surface of the automobile front windshield, and the sound insulation layer is arranged in the groove.

[0013] By adopting the technical scheme, the sound insulation layer is fixed in the groove on the surface of the automobile front windshield, and the sound insulation property between the automobile front windshield and the automobile is strengthened by the sound insulation layer, so that the sound insulation property between the automobile front windshield and the automobile can be better strengthened.

[0014] As a preferred embodiment, the sound insulation layer is made of glass wool material.

[0015] By adopting the technical scheme, the sound insulation property between the automobile front windshield and the automobile can be better strengthened by the sound insulation layer made of glass wool material.

[0016] The beneficial effects of the present application are as follows:

[0017] 1. This automotive windshield electronic sunshade system with pattern display function comprises a DLC liquid crystal dimming film, an ITO thin film, and conductive wires. A uniform ITO thin film is deposited on a common glass substrate using magnetron sputtering. Then, the ITO layer in areas where conductive properties are not desired is precisely removed using laser etching or chemical etching, thus forming a predetermined circuit pattern. An external power supply or signal generator is connected to the conductive wires to generate a corresponding current, and a specific pattern is etched onto the DLC liquid crystal dimming film. When the power is off, due to the addition of special dichroic dye molecules to the liquid crystal material, the long axis and dichroic color of the liquid crystal molecules change even without an electric field. When the long axes of the dichroic dye molecules are parallel to the surface of the ITO film, light is largely absorbed by the dye liquid crystal, and the film appears dark and opaque. When an electric field is applied, the liquid crystal molecules and dichroic dye molecules rotate in the direction of the electric field. When the short axes of the liquid crystal molecules and dichroic dye molecules are perpendicular to the surface of the film, the film appears light and transparent. This enables functions such as local dimming and displaying graphics and logos, meeting the personalized needs of different scenarios. It avoids the problem that traditional car windshields mostly only provide simple protection and lack intelligent functions, especially effective information transmission and interactive functions, thus improving practicality.

[0018] 2. This electronic sunshade system for car windshields with pattern display function uses a sound insulation layer and grooves. The sound insulation layer is fixed by the grooves on the surface of the car windshield, and the sound insulation layer enhances the sound insulation between the car windshield and the car. This avoids the problem that most traditional car windshields cannot enhance the sound insulation between the car windshield and the car, thus improving practicality. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the front structure of this application;

[0020] Figure 2 This is a front structural sectional view of this application;

[0021] Figure 3 This is a side structural sectional view of this application;

[0022] Figure 4 This is a schematic diagram of the protection mechanism structure for this application.

[0023] The following are the labels in the diagram: 1. Automotive windshield; 2. Sunshade mechanism; 21. DLC liquid crystal dimming film; 22. ITO film; 23. Wire; 3. Sound insulation mechanism; 31. Sound insulation layer; 32. Groove; 4. Protective mechanism; 41. Wear-resistant layer; 42. Heat insulation layer. Detailed Implementation

[0024] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0025] Reference Figures 1-4 An electronic sunshade system for automobile windshields with pattern display function includes an automobile windshield 1 installed at the front of the automobile. A protective mechanism 4 is provided on the surface of the automobile windshield 1. The protective mechanism 4 includes a heat insulation layer 42, which is fixedly connected to the automobile windshield 1. A wear-resistant layer 41 is fixedly connected to the side of the heat insulation layer 42 away from the automobile windshield 1. The heat insulation of the automobile windshield 1 is enhanced by the heat insulation layer 42, and the wear resistance of the automobile windshield 1 is enhanced by the wear-resistant layer 41, which can better protect the automobile windshield 1.

[0026] Reference Figure 4 The heat insulation layer 42 is made of polyethylene terephthalate, and the wear-resistant layer 41 is made of polyvinyl chloride. By using polyethylene terephthalate for the heat insulation layer 42 and polyvinyl chloride for the wear-resistant layer 41, the windshield 1 of the car can be better protected, and the service life of the windshield 1 can be extended.

[0027] Reference Figures 1-3 A sunshade mechanism 2 is provided at the top of the interior of the car windshield 1. The sunshade mechanism 2 includes an ITO film 22. There are two ITO films 22, which are symmetrically distributed inside the car windshield 1. A dimming film 21 is fixedly connected between the two ITO films 22. A wire 23 is fixedly connected to one side of the ITO film 22. The wire 23 is electrically connected to the ITO film 22. A rubber protective layer is fixedly connected to the outside of the wire 23. Through the electrical connection between the wire 23 and the ITO film 22, and the wire 23 being connected to an external power supply or signal generator to generate a corresponding current, the light-emitting device connected to the ITO film 22 is powered, which can better power the light-emitting device connected to the ITO film 22.

[0028] Reference Figures 2-3 The surface of the windshield 1 of the car is provided with a sound insulation mechanism 3. The sound insulation mechanism 3 includes a groove 32, which is formed on the surface of the windshield 1 of the car. A sound insulation layer 31 is provided inside the groove 32. The sound insulation layer 31 is fixed by the groove 32 on the surface of the windshield 1 of the car. The sound insulation layer 31 enhances the sound insulation between the windshield 1 of the car and the car, which can better enhance the sound insulation between the windshield 1 of the car and the car.

[0029] Reference Figures 2-3 The sound insulation layer 31 is made of glass wool; by making the sound insulation layer 31 of glass wool, the sound insulation between the windshield 1 and the car can be better enhanced.

[0030] Working principle: The car windshield 1 is installed at a designated location, and the sound insulation layer 31 is fixed by the groove 32 on the surface of the windshield 1. The sound insulation layer 31 enhances the sound insulation between the windshield 1 and the car. The heat insulation layer 42 enhances the heat insulation of the windshield 1. The wear-resistant layer 41 enhances the wear resistance of the windshield 1, thus better protecting the windshield 1. A uniform ITO thin film 22 is deposited on a common glass substrate by magnetron sputtering. Then, the ITO layer in areas where no conductivity is required is precisely removed by laser etching or chemical etching, thereby forming a predetermined circuit pattern. Finally, an external power supply or signal is connected by wires. The generator produces a corresponding current, which is then etched onto the DLC liquid crystal dimming film 21 to form a specific pattern. When the power is off, due to the addition of special dichroic dye molecules to the liquid crystal material, when the long axis of the liquid crystal molecules and the long axis of the dichroic dye molecules are parallel to the surface of the ITO film 22 without the action of an electric field, the light is basically absorbed by the dye liquid crystal, and the film appears as a dark and opaque state. When an electric field is applied, the liquid crystal molecules and the dichroic dye molecules will rotate in the direction of the electric field. When the short axis of the liquid crystal molecules and the dichroic dye molecules is perpendicular to the surface of the film, the film appears as a light and transparent state, which can realize functions such as local dimming and displaying graphics and logos to meet the personalized needs of different scenarios.

[0031] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.

Claims

1. A car windshield electronic sunshade system with pattern display function, comprising a car windshield (1) installed at the front of the car, characterized in that, The surface of the car windshield (1) is provided with a protective mechanism (4), and the top of the interior of the car windshield (1) is provided with a sunshade mechanism (2). The sunshade mechanism (2) includes an ITO film (22). There are two ITO films (22), which are symmetrically distributed inside the car windshield (1). A DLC liquid crystal dimming film (21) is fixedly connected between the two ITO films (22). A wire (23) is fixedly connected to one side of the ITO film (22). The surface of the car windshield (1) is provided with a sound insulation mechanism (3).

2. The electronic sunshade system for a car windshield with pattern display function according to claim 1, characterized in that, The conductor (23) is electrically connected to the ITO film (22), and a rubber protective layer is fixedly connected to the outside of the conductor (23).

3. The electronic sunshade system for a car windshield with pattern display function according to claim 1, characterized in that, The protective mechanism (4) includes a heat insulation layer (42), which is fixedly connected to the windshield (1) of the vehicle. A wear-resistant layer (41) is fixedly connected to the side of the heat insulation layer (42) away from the windshield (1).

4. A car windshield electronic sunshade system with pattern display function according to claim 3, characterized in that, The heat insulation layer (42) is made of polyethylene terephthalate, and the wear-resistant layer (41) is made of polyvinyl chloride.

5. A car windshield electronic sunshade system with pattern display function according to claim 1, characterized in that, The sound insulation mechanism (3) includes a groove (32) which is formed on the surface of the windshield (1) of the car, and a sound insulation layer (31) is provided inside the groove (32).

6. A car windshield electronic sunshade system with pattern display function according to claim 5, characterized in that, The sound insulation layer (31) is made of glass wool.