Sound insulation laminated glass for head-up display
By introducing a multi-layer coating structure onto the soundproof laminated glass, the problem of visibility being affected by fog and pollutants in existing technologies has been solved, achieving clear visibility and a comfortable driving experience in complex environments.
Patent Information
- Application Number
- CN202520211933.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing soundproof laminated glass is susceptible to fog and pollutants under complex weather conditions, resulting in poor visibility and failing to effectively protect against ultraviolet radiation and temperature regulation.
It adopts a multi-layer coating structure, including an outer anti-reflective coating, a middle sound insulation membrane, a semi-reflective coating, an ultraviolet protection layer, an optical adjustment layer, an infrared reflective layer, and an inner anti-fog, anti-fouling, and waterproof coating, which are used to reduce glare, insulate sound, protect, and regulate temperature, thereby improving image clarity and driving safety.
Significantly improves glass clarity and ease of cleaning in various environments, prevents moisture condensation and contaminant adhesion, reduces interior temperature, blocks harmful ultraviolet rays, optimizes HUD image quality, and ensures the driver's best visual experience under all conditions.
Smart Images

Figure CN223750419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile glass especially, relate to a sound insulation laminated glass for head-up display. BACKGROUND
[0002] With the progress of automobile technology, head-up display system gradually becomes one of the standard configurations of modern vehicles, and the requirement of automobile glass is also improved, and the automobile glass compatible with head-up display system not only has excellent optical performance to support the clear projection of high-definition image, reduces reflection and glare, and ensures good visibility under various illumination conditions.
[0003] The existing sound insulation laminated glass can meet the basic demand of HUD image projection, but has limitations in actual application, most products mainly focus on image definition, ignore anti-fog, anti-fouling and other functions, resulting in affected vision in complex weather. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a sound insulation laminated glass for head-up display.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A sound insulation laminated glass for head-up display, comprising a first transparent outer protective glass, one side of the first transparent outer protective glass is fixedly connected with an outer anti-reflection coating, the side away from the first transparent outer protective glass of the outer anti-reflection coating is provided with an intermediate sound insulation film, the side away from the outer anti-reflection coating of the intermediate sound insulation film is provided with a semi-reflective coating, and the side away from the intermediate sound insulation film of the semi-reflective coating is provided with a second transparent inner protective glass.
[0007] As a further improvement of the utility model, an external self-cleaning coating is arranged between the outer anti-reflection coating and the intermediate sound insulation film, and the two sides of the external self-cleaning coating are fixedly connected with the outer anti-reflection coating and the intermediate sound insulation film respectively.
[0008] As a further improvement of the utility model, an ultraviolet protection layer is arranged between the intermediate sound insulation film and the semi-reflective coating, and the ultraviolet protection layer is fixedly connected with the intermediate sound insulation film and the semi-reflective coating respectively.
[0009] As a further improvement of the utility model, the side away from the ultraviolet protection layer of the semi-reflective coating is fixedly connected with an optical adjustment layer.
[0010] As a further improvement of the utility model, an infrared reflective layer is arranged between the optical adjustment layer and the second transparent inner protective glass, and the infrared reflective layer is fixedly connected with the optical adjustment layer and the second transparent inner protective glass respectively.
[0011] As a further improvement of the utility model, the second transparent inner layer protection glass is fixedly connected with the inner side anti-fog anti-fouling anti-water vapor coating on the side far from the semi-reflective coating.
[0012] The utility model discloses the beneficial effect:
[0013] By introducing the inner side anti-fog anti-fouling anti-water vapor coating, the clarity and easy cleanability of the glass in various environments are improved significantly, especially in the environment with large temperature difference or humidity, the inner side anti-fog anti-fouling anti-water vapor coating can effectively prevent water vapor condensation, keep the driver's vision clear, at the same time, also can prevent the fingerprint, grease and other pollutants from adhering, ensure that the glass surface is clean and transparent for a long time, reduce the maintenance cost and improve the driving safety.
[0014] By setting through the introduction of infrared reflective layer, effectively reduce the temperature in the car, reduce the air conditioning load, provide more comfortable driving environment, ultraviolet protection layer blocks harmful ultraviolet rays, protects the in-car personnel and interior, prolongs the interior life, the outer side anti-reflection coating reduces the glare and ghosting, improves the HUD image clarity, the semi-reflective coating ensures the high contrast image, the optical adjustment layer automatically adjusts the light transmittance according to the illumination condition, optimizes the HUD image quality, ensures that the driver can obtain the best visual experience in various environments, improves the driving safety and comfort.
[0015] The utility model improves the anti-fog, anti-fouling, infrared reflection, ultraviolet protection and image clarity of glass, ensures to provide clear vision and driving comfort in various environments. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides a structure schematic diagram of sound insulation interlayer glass for head-up display.
[0017] In the drawing: 1 first transparent outer layer protection glass, 2 outer side anti-reflection coating, 3 outer self-cleaning coating, 4 intermediate sound insulation film, 5 ultraviolet protection layer, 6 semi-reflective coating, 7 optical adjustment layer, 8 infrared reflective layer, 9 second transparent inner layer protection glass, 10 inner side anti-fog anti-fouling anti-water vapor coating. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0019] Figure 1The utility model provides an acoustic insulation laminated glass for head-up display, including first transparent outer layer protection glass 1, first transparent outer layer protection glass 1, one side fixedly connected with the outside anti -reflection coating 2 of first transparent outer layer protection glass 1, the outside anti -reflection coating 2 is composed of multilayer nanometer silicon dioxide and titanium oxide, the visible light transmittance is greater than or equal to 90%, the reflectivity is less than or equal to 2%, the outside anti -reflection coating 2 is equipped with intermediate sound insulation film 4 away from the side of first transparent outer layer protection glass 1, and the intermediate sound insulation film 4 is composed of polyvinyl butyral composite material with microporous structure, has at least 20dB attenuation effect to the sound wave in the frequency range of 500Hz to 4kHz, and the outside anti -reflection coating 2 is equipped with external self -cleaning coating 3 between intermediate sound insulation film 4, and the external self -cleaning coating 3 is made of superhydrophobic nanomaterial, prevents rainwater, dust and other pollutants from adhering, is easy to clean, and the both sides of external self -cleaning coating 3 are fixedly connected with the outside anti -reflection coating 2 and intermediate sound insulation film 4 respectively.
[0020] The side away from the outside anti -reflection coating 2 of intermediate sound insulation film 4 is equipped with half -reflection coating 6, and the specially-made half -reflection coating 6 can efficiently reflect light rays of specific wavelength from the HUD projector, and the ultraviolet protection layer 5 is arranged between the intermediate sound insulation film 4 and the half -reflection coating 6, the ultraviolet protection layer 5 is composed of an ultraviolet absorber mixture, effectively blocks ultraviolet rays to protect the people and interior from UV radiation damage, and the ultraviolet protection layer 5 is fixedly connected with the intermediate sound insulation film 4 and the half -reflection coating 6 respectively, the optical adjustment layer 7 is fixedly connected with the half -reflection coating 6 away from the ultraviolet protection layer 5, the optical adjustment layer 7 is composed of adjustable optical film or liquid crystal material, can automatically adjust the light transmittance according to the external light conditions, optimize the color restoration and contrast of the HUD image, the second transparent inner layer protection glass 9 is arranged on the side away from the intermediate sound insulation film 4 of the half -reflection coating 6, the second transparent inner layer protection glass 9 is made of the same material as the first transparent outer layer protection glass 1, can be thin, and has high impact strength and surface hardness, the infrared reflection layer 8 is arranged between the optical adjustment layer 7 and the second transparent inner layer protection glass 9, the infrared reflection layer 8 is composed of infrared reflection coating, can reduce the heat into the car, improve the air conditioning efficiency, reduce the temperature in the car, and the infrared reflection layer 8 is fixedly connected with the optical adjustment layer 7 and the second transparent inner layer protection glass 9 respectively, and the inside anti -fog anti -stain water vapor coating 10 is fixedly connected with the second transparent inner layer protection glass 9 away from the half -reflection coating 6, the inside anti -fog anti -stain water vapor coating 10 is composed of superhydrophobic and oleophobic coating, prevents fingerprints, grease and other pollutants from adhering, keeps the glass surface clean and transparent for a long time.
[0021] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. Soundproof laminated glass for head-up display, comprising a first transparent outer protective glass (1), characterized in that, The first transparent outer protective glass (1) is fixedly connected with an outer anti-reflection coating (2) on one side, the outer anti-reflection coating (2) is provided with an intermediate sound insulation film (4) away from the first transparent outer protective glass (1), the intermediate sound insulation film (4) is provided with a semi-reflective coating (6) away from the outer anti-reflection coating (2), and the semi-reflective coating (6) is provided with a second transparent inner protective glass (9) away from the intermediate sound insulation film (4).
2. The soundproof laminated glass for head-up display according to claim 1, wherein An external self-cleaning coating (3) is arranged between the outer anti-reflection coating (2) and the intermediate sound insulation film (4), and the external self-cleaning coating (3) is fixedly connected with the outer anti-reflection coating (2) and the intermediate sound insulation film (4) on both sides.
3. The soundproof laminated glass for head-up display according to claim 1, wherein An ultraviolet protection layer (5) is arranged between the intermediate sound insulation film (4) and the semi-reflective coating (6), and the ultraviolet protection layer (5) is fixedly connected with the intermediate sound insulation film (4) and the semi-reflective coating (6).
4. The soundproofing laminated glass for head-up display according to claim 3, characterized by, The semi-reflective coating (6) is fixedly connected with an optical adjustment layer (7) away from the ultraviolet protection layer (5).
5. The soundproofing laminated glass for head-up display according to claim 4, wherein An infrared reflective layer (8) is arranged between the optical adjustment layer (7) and the second transparent inner protective glass (9), and the infrared reflective layer (8) is fixedly connected with the optical adjustment layer (7) and the second transparent inner protective glass (9).
6. The soundproofing laminated glass for head-up display according to claim 1, wherein The second transparent inner protective glass (9) is fixedly connected with an inner anti-fog anti-fouling and water vapor coating (10) away from the semi-reflective coating (6).