CN116141775A

CN116141775A - Laminated glass and head-up display system

Info

Publication number: CN116141775A
Application number: CN202310256700.6A
Authority: CN
Inventors: 彭健; 李炜军
Original assignee: Fuyao Glass Industry Group Co Ltd
Current assignee: Fuyao Glass Industry Group Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2023-05-23
Also published as: CN113858730B; CN113858730A

Abstract

The application relates to a laminated glass and a head-up display system, wherein the laminated glass comprises a first transparent substrate, a second transparent substrate and an adhesive film; the laminated glass is provided with a light transmission area and a light blocking area surrounding at least part of the periphery of the light transmission area; the adhesive film is positioned between the first transparent substrate and the second transparent substrate and is used for bonding the first transparent substrate and the second transparent substrate; the light blocking area comprises a first area positioned at the bottom of the light transmitting area, and the first area is provided with one or more first functional display areas for displaying a first image; the first functional display area comprises at least one flexible display screen, and the flexible display screen is used for displaying a first image; the light-transmitting area is provided with one or more second functional display areas, and the second functional display areas comprise at least one projection display area for displaying a second image. The laminated glass can weaken or even eliminate double images which are formed by mutual interference due to offset of the reflection images of the first transparent substrate and the second transparent substrate.

Description

Laminated glass and head-up display system

The application filed on 10 month 08 of 2021 is filed as a divisional application with application number 202111173403.2 of a prior application entitled "laminated glass and head-up display System", the contents of which are incorporated herein by reference.

Technical Field

The application relates to the field of automobiles, in particular to laminated glass and a head-up display system.

Background

With the development of intelligent automobiles, head Up Display (HUD) systems are increasingly applied to automobiles, and images, such as driving information, are displayed on front windshields in real time through the Head Up Display systems. Because front windshield is laminated glass, the light emitted by the projection light source of the head-up display system can be reflected when passing through two surfaces of the laminated glass, which are contacted with air, and the reflected images on the two surfaces can deviate to form two double images which interfere with each other, so that the quality of the image projected onto the front windshield is low.

Disclosure of Invention

The application provides a laminated glass comprising:

the display device comprises a first transparent substrate, a second transparent substrate and a first display device, wherein the first transparent substrate is provided with a first surface and a second surface which are arranged oppositely;

a second transparent substrate having third and fourth surfaces disposed opposite each other, the third surface being disposed adjacent to the second surface as compared to the fourth surface;

the laminated glass is provided with a light transmission area and a light blocking area surrounding at least part of the periphery of the light transmission area, wherein the visible light transmittance of the light transmission area is more than or equal to 70 percent, and the visible light transmittance of the light blocking area is less than or equal to 5 percent; and

An adhesive film located between the second surface and the third surface for bonding the first transparent substrate and the second transparent substrate;

the light blocking region comprises a first region at the bottom of the light transmitting region, the first region having one or more first functional display regions for displaying a first image; the light blocking area comprises a light blocking layer, the projection light transmittance of the light blocking layer is less than or equal to 5%, the light blocking layer is arranged on the second surface, or arranged on the third surface, or arranged between the second surface and the third surface, and the light blocking layer is used as a display background of the first image; the first function display area comprises at least one flexible display screen, and the flexible display screen is used for displaying a first image;

the light-transmitting area is provided with one or more second functional display areas, and the second functional display areas comprise at least one projection display area for displaying a second image.

The flexible display screen is located between the second surface and the third surface, and the flexible display screen is a MiniLED display screen, a MicroLED display screen and/or an OLED display screen.

Wherein the projection display distance of the second image is 7.5m or more.

The projection light forming the second image is incident to the projection display area of the second functional display area at 50-72 degrees, and the projection display area of the second functional display area has a reflectivity of more than or equal to 8% for the projection light forming the second image.

The laminated glass further comprises a dielectric film, and the dielectric film is at least positioned in the second functional display area.

Wherein the dielectric film is also located in the first functional display area.

The adhesive film is a thick film, the projection light forming the second image comprises 60% -100% of P polarized light, the dielectric film is a laminated structure of a high refractive index layer/a low refractive index layer and comprises at least one metal layer or laminated PET, and the reflectivity of the projection display area of the second functional display area to the projection light forming the second image, which is incident at 50 ° -72 °, is greater than or equal to 10%.

The adhesive film is an equal-thickness film or a wedge-shaped film, the fourth surface is provided with the dielectric film, the dielectric film is an antireflection film, the second functional display area is the first surface, the projection light forming the second image comprises 60% -100% of S polarized light, the reflectivity of the antireflection film to the projection light forming the second image is less than or equal to 6%, and the reflectivity of the projection display area of the second functional display area to the projection light forming the second image, which is incident at 50 ° -72 °, is greater than or equal to 8%.

The adhesive film is a wedge-shaped film, the projection light forming the second image comprises 60% -100% of S polarized light, the dielectric film is a laminated structure of a high refractive index layer/a low refractive index layer positioned on a third surface or a fourth surface, and the reflectivity of the projection display area of the second functional display area to the projection light forming the second image, which is incident at 50 ° -72 °, is greater than or equal to 28%.

The adhesive film is a wedge-shaped film, the second functional display area is the fourth surface, the projection light forming the second image comprises 60% -100% of S polarized light, and the reflectivity of the projection display area of the second functional display area to the projection light forming the second image, which is incident at 50 ° -72 °, is greater than or equal to 8%.

The application also provides a head-up display system, which comprises a second projection light source and the laminated glass, wherein the second projection light source is used for projecting projection light rays forming the second image to the second functional display area.

Wherein the projection light forming the second image comprises 60% -100% S polarized light.

Wherein the projection light forming the second image comprises 60% -100% P polarized light.

The laminated glass provided by the embodiment of the application is provided with the shading film positioned in the light blocking area, so that the reflection light A which is incident to the laminated glass from the fourth surface and reflected by the first transparent substrate can be reduced or even blocked, and the ghost image generated by the reflection light B and the reflection light A which are incident to the laminated glass from the fourth surface and reflected by the second transparent substrate can be weakened or even blocked. In addition, the laminated glass provided by the embodiment of the application can reduce or even block the incident light C which is incident to the laminated glass from the first surface, and weaken or even block the ghost formed by the reflected light B and the incident light C which are incident to the laminated glass from the fourth surface and reflected by the second transparent substrate. Therefore, the laminated glass provided by the embodiment of the application can enable the quality of the image projected onto the laminated glass to be higher.

Drawings

In order to more clearly illustrate the technical solutions of the examples of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a region division structure of a laminated glass according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of one embodiment of the present application along line I-I of FIG. 1.

FIG. 3 is a cross-sectional hierarchical structure view of one embodiment of the present application along line I-I in FIG. 1.

FIG. 4 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1.

FIG. 5 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1.

FIG. 6 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1.

FIG. 7 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1.

Fig. 8 is a schematic view of a region dividing structure of a laminated glass according to still another embodiment of the present application.

Fig. 9 is a schematic view of a region dividing structure of a laminated glass according to still another embodiment of the present application.

Fig. 10 is a schematic view of a region division structure of a laminated glass according to still another embodiment of the present application.

FIG. 11 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 12 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 13 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 14 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 15 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 16 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 17 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 18 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 19 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 20 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 21 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

FIG. 22 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10.

Fig. 23 is a schematic view of a laminated glass area division structure according to still another embodiment of the present application.

FIG. 24 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 23.

Fig. 25 is a schematic view of a laminated glass area division structure according to still another embodiment of the present application.

Fig. 26 is a schematic view of a laminated glass area division structure according to still another embodiment of the present application.

Fig. 27 is a schematic view of a vehicle provided in the present application.

Description of the reference numerals: the laminated glass 10, the first transparent substrate 110, the first surface 111, the second surface 112, the second transparent substrate 120, the third surface 121, the fourth surface 122, the light blocking region R10, the light transmitting region R20, the adhesive film 130, the light shielding layer 140, the first region R110, the first functional display region R111, the first image P1, the second region R120, the third region R130, the dielectric film 150, the flexible display 160, the first projection light source 170, the main viewing region R210, the second functional display region R211, the second image P2, the colored region R30, the colored layer 180, the second projection light source 190, the vehicle 1, the vehicle body 20.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without undue burden, are within the scope of the present application.

Reference herein to "an embodiment" or "an implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a region division structure of a laminated glass according to an embodiment of the present application; FIG. 2 is a cross-sectional view of one embodiment of the present application along line I-I of FIG. 1. The present application provides a laminated glass 10, the laminated glass 10 includes a first transparent substrate 110, a second transparent substrate 120, and an adhesive film 130. The first transparent substrate 110 has a first surface 111 and a second surface 112 disposed opposite to each other. The second transparent substrate 120 has a third surface 121 and a fourth surface 122 disposed opposite to each other, and the third surface 121 is disposed adjacent to the second surface 112 compared to the fourth surface 122. The laminated glass 10 has a light-transmitting region R20 and a light-blocking region R10 surrounding at least part of the periphery of the light-transmitting region R20. The adhesive film 130 is located between the second surface 112 and the third surface 121, and is used for bonding the first transparent substrate 110 and the second transparent substrate 120. The visible light transmittance of the light transmitting region R20 is greater than or equal to 70%, the visible light transmittance of the light blocking region R10 is less than or equal to 5%, the light blocking region R10 includes a first region R110 located at the bottom of the light transmitting region R20, and the first region R110 has one or more first functional display regions R111 for displaying a first image P1.

In one embodiment, the first transparent substrate 110 and the second transparent substrate 120 are tightly connected by the adhesive film 130. For convenience and clarity in illustrating the layered structure of the laminated glass 10, the present application rotates the sectional view taken along the line I-I in fig. 1 by 90 counterclockwise, separates all the structures of the laminated glass 10, and enlarges the thickness of all the structures, and for convenience of description, the drawing after the change is named as a sectional layered structure view taken along the line I-I in fig. 1. For example, referring to fig. 3, fig. 3 is a layered structure diagram of a cross section along the line I-I in fig. 1 according to an embodiment of the present application, and fig. 3 is a view obtained by rotating fig. 2 counterclockwise by 90 °, separating all structures of the laminated glass 10, and enlarging the thickness of all structures. It will be appreciated that the cross-sectional hierarchical structure diagram described later is also schematically shown with reference to the processing manners of fig. 2 and 3, and will not be described in detail later.

The first transparent substrate 110 and the second transparent substrate 120 may be curved plates having light transmission properties, such as inorganic glass or organic glass, wherein the inorganic glass may be exemplified by soda-lime-silica glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass, and the organic glass may be exemplified by Polycarbonate (PC) glass, polymethyl methacrylate (PMMA) glass, and the like. The first transparent substrate 110 and the second transparent substrate 120 may be transparent or colored and have light transmission properties. The material of the first transparent substrate 110 may be the same as or different from the material of the second transparent substrate 120.

The light transmitting region R20 is a region in the laminated glass 10 that transmits visible light, and in order to ensure driving safety after the laminated glass 10 is mounted on a vehicle, it is preferable that the visible light transmittance of the light transmitting region R20 is 70% or more. The light blocking region R10 refers to a region of the laminated glass 10 having a low visible light transmittance, and the light blocking region R10 is distributed in a peripheral edge region of the laminated glass 10.

The adhesive film 130 is disposed between the first transparent substrate 110 and the second transparent substrate 120, and is used to adhere the first transparent substrate 110 and the second transparent substrate 120. The adhesive film 130 has two structures, which will be described in detail later.

The light blocking region R10 includes a light blocking layer 140, and the light blocking layer 140 may be a dark ink layer disposed on the second surface 112 and/or the third surface 121 or a colored polymer film disposed between the second surface 112 and the third surface 121. The light shielding layer 140 has low transmittance of projection light, and the light shielding layer 140 is supported on the first transparent substrate 110 or the second transparent substrate 120 and is located in the light blocking region R10. The light shielding layer 140 may be formed on the light blocking region R10 by printing ink or the like. Alternatively, the transmittance of the projection light of the light shielding layer 140 is less than or equal to 5%, preferably less than or equal to 1%. Alternatively, the light shielding layer 140 may be a dark color resin film with low light transmittance, or a light color resin film with low light transmittance, for example, a body-colored PVB, PET, or the like.

In one embodiment, please continue to refer to fig. 3, fig. 3 is a cross-sectional hierarchical structure diagram along the line I-I in fig. 1 according to an embodiment of the present application. The light shielding layer 140 is disposed on the second surface 112. In another embodiment, referring to fig. 4, fig. 4 is a schematic cross-sectional hierarchical structure diagram of a further embodiment of the present application along the line I-I in fig. 1. The light shielding layer 140 is disposed on the third surface 121.

Specifically, in one aspect, if the light shielding layer 140 is not included in the laminated glass 10, the projection light of the first image P1 projected by the projection device in the vehicle to the laminated glass 10 is incident on the laminated glass 10 from the fourth surface 122 and is reflected by the first surface 111 of the first transparent substrate 110, thereby forming the reflected light a. Accordingly, the projection light incident on the laminated glass 10 is reflected by the fourth surface 122 of the second transparent substrate 120 and enters the human eye, and for convenience of description, the projection light reflected by the fourth surface 122 is named as reflected light B. The reflected light B forms a main image visible to human eyes, the reflected light A forms a secondary image visible to human eyes, and a certain offset distance is formed between the secondary image and the main image, namely, a ghost phenomenon is generated. The inclusion of the light shielding layer 140 in the laminated glass 10 of the embodiment of the present application can reduce or even block the reflected light a, thereby weakening or even blocking the ghost image generated by the reflected light a and the reflected light B. Meanwhile, since the light shielding layer 140 has low transmittance of projection light, the light shielding layer 140 can be used as a display background of the main image, so that the recognition degree of the main image and the contrast ratio with the ambient brightness are improved, and the display quality of the main image can be remarkably improved.

An application scenario of the laminated glass 10 is described below. When the laminated glass 10 is applied to the vehicle 1, the laminated glass 10 is mounted on the vehicle 1 at a certain inclination angle as a front windshield. The first transparent substrate 110 in the laminated glass 10 is a substrate of the laminated glass 10 exposed outside the vehicle, and the second transparent substrate 120 is a substrate of the laminated glass 10 in the vehicle. In order to illustrate the advantageous effect of the laminated glass 10 including the light shielding layer 140, description will be made of a case where the light shielding layer 140 is not included in the laminated glass 10. A projection device in the vehicle projects a first image P1 to the laminated glass 10 to form the first image P1 on the second transparent substrate 120. Objects outside the vehicle will also penetrate the laminated glass 10 into the vehicle. The light rays from the first image P1 to the laminated glass 10 projected by the projection device in the vehicle are incident on the laminated glass 10 from the fourth surface 122, and are reflected by the fourth surface 122 and the first surface 111 respectively to form reflected light B and reflected light a, and the reflected light B and the reflected light a do not overlap to generate a reflective ghost. Light rays of an object outside the vehicle enter the laminated glass 10 from the first surface 111 and penetrate the laminated glass 10 into the vehicle to form the incident light C, which generates transmission ghost due to the oblique installation and parallel thickness of the laminated glass 10. The inclusion of the light shielding layer 140 in the laminated glass 10 of the present embodiment can reduce or even block the reflected light a and the incident light C, thereby weakening or even blocking the reflection ghost and the transmission ghost.

In summary, the laminated glass 10 provided in the embodiments of the present application has the light shielding layer 140 located in the light blocking region R10, so as to reduce or even block the reflection ghost and the transmission ghost. As can be seen, the laminated glass 10 provided in the embodiments of the present application can make the quality of the image projected thereon higher.

Referring to fig. 1 again, the light blocking area R10 includes a first area R110, the first area R110 is located at the bottom of the light transmitting area R20, and the first area R110 has one or more first functional display areas R111 for displaying a first image P1; a second region R120, where the second region R120 is located on top of the light-transmitting region R20; and a third region R130, where the third region R130 is located at a side portion of the light-transmitting region R20, and the second region R120 and the third region R130 are used for shielding electronic devices or wires.

It should be noted that, the light blocking region R10 is disposed around the light transmitting region R20, that is, the first region R110, the second region R120, and the third region R130 are located in the light blocking region R10 and around the light transmitting region R20.

In this embodiment, the light blocking area R10 is divided into three areas, the first area R110 is provided with one or more first function display areas R111, and when the first area R110 is provided with a plurality of first function display areas R111, the plurality of first function display areas R111 may be separately provided, or integrally provided, or partially separately provided, partially integrally provided, and each of the first function display areas R111 is correspondingly used for displaying one of the first images P1. Optionally, the total area of the first functional display area R111 occupies more than 10% of the first area R110, so as to achieve a better display effect of the first image P1. The second region R120 and the third region R130 are used to mask electronic devices or circuits installed in a later application, on the one hand.

Please refer to fig. 4 again. In one embodiment, the first functional display region R111 is the fourth surface 122, the incident projection light includes 60% to 100% S polarized light, and the reflectivity of the first functional display region R111 to the incident projection light is greater than or equal to 8%.

In this embodiment, the projected light preferably includes 100% S polarized light, so that the reflectivity of the first functional display region R111 to the incident projected light can be further improved, so that the first image P1 is clearer.

Referring to fig. 5, 6 and 7, fig. 5 is a cross-sectional hierarchical structure diagram along the line I-I in fig. 1 according to another embodiment of the present application; FIG. 6 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1; FIG. 7 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1. The adhesive film 130 is a uniform thickness film, the laminated glass 10 further includes a dielectric film 150, the dielectric film 150 is disposed on the third surface 121 (see fig. 6), or the fourth surface 122 (see fig. 5), or is wrapped in the adhesive film 130 (see fig. 7), and the dielectric film 150 is located in the first region R110, the front projection of the dielectric film 150 on the second transparent substrate 120 covers all the first functional display regions R111, and the dielectric film 150 has S-polarized light reflective capability.

In this embodiment, the dielectric film 150 has S-polarized light reflective capability, and the dielectric film 150 provides S-polarized light reflective capability to the second transparent substrate 120 after the fourth surface 122 (see fig. 5), the third surface 121 (see fig. 6), or the adhesive film 130 (see fig. 7) is wrapped around the second transparent substrate 120. For example, when the S polarized light in the projection light on the side of the second transparent substrate 120 is relatively large, for example, 60% -100%, the reflectivity of the second transparent substrate 120 on the projection light on the side of the second transparent substrate 120 in the light blocking region R10 is relatively large, for example, 22% when the incident light is incident at an incident angle of 60 °, preferably, the S polarized light is 100%, so that the reflected light of the first transparent substrate 110 is further weakened or even blocked. The front projection of the dielectric film 150 on the second transparent substrate 120 covers all the first functional display areas R111, so that the brightness and the definition of the light reflected by the second transparent substrate 120 from the incident light on one side of the second transparent substrate 120 can be further improved.

Referring to fig. 5, 6 and 7, fig. 5 is a cross-sectional hierarchical structure diagram along the line I-I in fig. 1 according to another embodiment of the present application; FIG. 6 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1; FIG. 7 is a cross-sectional hierarchical view of a further embodiment of the present application along line I-I of FIG. 1. The adhesive film 130 is a uniform thickness film, the laminated glass 10 further includes a dielectric film 150, the dielectric film 150 is disposed on the third surface 121 (see fig. 6), or the fourth surface 122 (see fig. 5), or is wrapped in the adhesive film 130 (see fig. 7), and the dielectric film 150 is located in the first region R110, the front projection of the dielectric film 150 on the second transparent substrate 120 covers all the first functional display regions R111, and the dielectric film 150 has P-polarized light reflective capability.

In the present embodiment, the dielectric film 150 has P-polarized light reflecting capability, and the dielectric film 150 may be, but is not limited to, a high refractive index layer, a low refractive index layer, a metal film (1-5 silver), or laminated polyethylene terephthalate (Polyethylene terephthalate, PET), etc. The dielectric film 150 provides the second transparent substrate 120 with P-polarized light reflecting capability after the fourth surface 122 (refer to fig. 5), or the third surface 121 (refer to fig. 6), or the adhesive film 130 (refer to fig. 7) is bonded to the second transparent substrate 120. For example, when the P polarized light in the projection light on the side of the second transparent substrate 120 is relatively large, for example, 60% -100%, the second transparent substrate 120 has P polarized projection light reflection on the side of the second transparent substrate 120 in the light blocking region R10, for example, 20% when the incident light is incident at an incident angle of 65 °, and the preferred P polarized light is 100%, so that the reflected light of the first transparent substrate 110 is further weakened or even blocked, and the brightness and the sharpness of the reflected light of the incident light on the side of the second transparent substrate 120 on the second transparent substrate 120 can be further improved. It is also possible to realize that the driver can observe the first image P1 of the first functional display region R111 with the sunglasses.

Referring to fig. 8 and 9, fig. 8 is a schematic view of a region dividing structure of a laminated glass according to another embodiment of the present disclosure; fig. 9 is a schematic view of a region dividing structure of a laminated glass according to still another embodiment of the present application. The laminated glass 10 further includes one or more flexible display screens 160, where the flexible display screens 160 are disposed in the first region R110, and each of the flexible display screens 160 is disposed corresponding to one of the first functional display regions R111, and the flexible display screens 160 are configured to display a first image P1; or one or more first projection light sources 170, where the first projection light sources 170 are configured to project the first image P1 to the first functional display area R111, and each first projection light source 170 is disposed corresponding to one of the first functional display areas R111.

Referring to fig. 8, in the present embodiment, the first functional display areas R111 are provided with the flexible display screens 160, each of the flexible display screens 160 is disposed corresponding to one of the first functional display areas R111, and each of the flexible display screens 160 is disposed between the light shielding layer 140 and the third surface 121 or disposed on the fourth surface 122. The flexible display 160 may be, but is not limited to, a MiniLED display, a MicroLED display, or/and an OLED display. The flexible display screen 160 adopts a form of directly generating an image, and the first image P1 emitted by the flexible display screen 160 directly passes through the second transparent substrate 120 or does not need to pass through the second transparent substrate 120, so that no influence of the reflected light of the first transparent substrate 110 is generated, and ghost images formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 are further avoided.

In another embodiment, referring to fig. 9, each of the first projection light sources 170 is disposed corresponding to one of the first functional display areas R111, and the first projection light sources 170 are disposed on one side of the second transparent substrate 120. Optionally, the ratio of the S polarized light in the first projection light source 170 is 60% -100%, and the definition of the first image P1 can be improved in cooperation with the dielectric film 150 having the S polarized light reflection capability. Preferably, the first projection light source 170 has an S polarized light ratio of 100%, so that the sharpness of the first image P1 can be further improved.

In yet another embodiment, when the laminated glass 10 has a plurality of the first functional display regions R111, the flexible display 160 and the first projection light source 170 are used in combination, and a part of the flexible display 160 is disposed corresponding to a part of the first functional display regions R111 and another part of the first projection light source 170 is disposed corresponding to the remaining first functional display regions R111. The present embodiment increases the diversity of the display of the first functional display region R111 on the basis of weakening the ghost image formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120, and may optimize the installation of the laminated glass 10 according to practical applications.

Note that, the flexible display 160 or the first functional display region R111 is closer to the fourth surface 122 than the light shielding layer 140, so that the light shielding layer 140 can serve as a display background of the first image P1. The light shielding layer 140 may be, but is not limited to, a dark ink layer or a colored polymer film. Meanwhile, the projection display distance of the first image P1 is 0.5 m-5 m.

Referring to fig. 10, fig. 10 is a schematic view of a region dividing structure of a laminated glass according to another embodiment of the present disclosure. The light-transmitting region R20 further has a main viewing region R210, and a lower boundary of the main viewing region R210 is at least 25mm higher than an upper boundary of the first region R110.

In this embodiment, the lower boundary of the main field of view R210 is at least 25mm higher than the upper boundary of the first region R110, so that the optical allergic region can be avoided, and optical distortion between the first region R110 and the main field of view R210 is avoided, which causes interference to imaging in the first region R110 and the main field of view R210.

Referring to fig. 10 again, the main viewing area R210 further has one or more second functional display areas R211, where the second functional display areas R211 are used for displaying a second image P2, and a projection display distance of the second image P2 is more than 7.5 m.

In this embodiment, the second functional display region R211 is added to the laminated glass 10, and the area of the second functional display region R211 is larger than that of the first functional display region R111, so that the laminated glass 10 can display the larger second image P2, and the image display of the laminated glass 10 is enriched. The projection light forming the first image P1 is incident to the projection display area of the first functional display area R111 at 50-72 degrees, and the projection display area of the first functional display area R111 has a reflectivity of more than or equal to 4% for the projection light forming the first image P1; the projection light forming the second image P2 is incident to the projection display region of the second functional display region R211 at 50 ° -72 °, and the projection display region of the second functional display region R211 has a reflectivity of 8% or more for the projection light forming the second image P2.

Referring to fig. 11 and 12, fig. 11 is a cross-sectional hierarchical structure view along the line I-I in fig. 10 according to still another embodiment of the present application; FIG. 12 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10. The thickness of the adhesive film 130 is gradually reduced along the direction of the second region R120 toward the first region R110, and the orthographic projection of the adhesive film 130 on the second transparent substrate 120 covers all the second functional display regions R211.

In this embodiment, the thickness of the adhesive film 130 is gradually reduced along the direction of the second region R120 toward the first region R110. In other words, the adhesive film 130 is a wedge film. Optionally, the wedge angle of the adhesive film 130 formed by the thickness gradient is 0.15 mrad-0.55 mrad, and the orthographic projection of the portion of the adhesive film 130 with the thickness gradient structure on the second transparent substrate 120 covers at least all the second functional display areas R211. The second functional display region R211 is a fourth surface 122, the projection light forming the second image P2 includes 60% -100S polarized light, and the reflectance of the second functional display region R211 to the projection light forming the second image P2 incident at 50 ° -72 ° is greater than or equal to 8%. Preferably, the projection light forming the second image P2 contains 100% S polarized light. The thickness of the adhesive film 130 is gradually changed, and the ghost image formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 in the second functional display region R211 is corrected by the wedge angle. Meanwhile, when the laminated glass 10 has a plurality of the second functional display regions R211, the wedge angles of the adhesive films 130 at the different second functional display regions R211 may be equal or unequal. The size, shape and position of each second functional display region R211 are different, and the incident angle of the light source is also different, so that the ghost image formed by the reflected light of the first transparent substrate 110 and the reflected light of the second transparent substrate 120 in the second functional display region R211 need to be corrected by different wedge angles. Of course, if the setting condition of each of the second function display regions R211 is identical, the same wedge angle may be adopted.

Referring to fig. 11, in an embodiment, the light shielding layer 140 is disposed on the third surface 121, the adhesive film 130 is disposed between the light shielding layer 140 and the second surface 112, the front projection of the portion of the adhesive film 130 having the thickness gradient structure on the second transparent substrate 120 covers all the second functional display regions R211, and the adhesive film 130 can correct the ghost image formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 in the second functional display regions R211, so as to improve the definition of the second image P2. In another embodiment, referring to fig. 12, the light shielding layer 140 is disposed on the second surface 112, the adhesive film 130 is disposed between the light shielding layer 140 and the third surface 121, the front projection of the portion of the adhesive film 130 having the thickness gradient structure on the second transparent substrate 120 covers all the second functional display areas R211, and the adhesive film 130 can correct the ghost image formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 in the second functional display areas R211, so as to improve the definition of the second image P2; alternatively, the front projection of the portion of the adhesive film 130 having the thickness gradient structure on the second transparent substrate 120 covers all the first functional display regions R111 and all the second functional display regions R211, and the adhesive film 130 may correct the ghost image formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 in the first functional display regions R111 and the second functional display regions R211, so that not only the sharpness of the second image P2 is improved, but also the sharpness of the first image P1 is further improved, and the manufacturing efficiency of the adhesive film 130 and the first transparent substrate 110 and the second transparent substrate 120 is also improved.

Referring to fig. 13-16, fig. 13 is a cross-sectional hierarchical structure diagram along the line I-I in fig. 10 according to another embodiment of the present application; FIG. 14 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10; FIG. 15 is a cross-sectional hierarchical view of yet another embodiment of the present application taken along line I-I of FIG. 10; FIG. 16 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10. The laminated glass 10 further includes a dielectric film 150, where the dielectric film 150 is disposed on the third surface 121 or the fourth surface 122, and the dielectric film 150 has a P-polarized light reflection function, or has an S-polarized light reflection function, or the dielectric film 150 is disposed on the fourth surface 122, and the dielectric film 150 has an S-polarized light antireflection capability and a reflectivity of less than 6%, or the dielectric film 150 is a laminated structure of a high refractive index layer/a low refractive index layer, and is disposed on the third surface 121 or the fourth surface 122, and reflects P-polarized light or S-polarized light, or the dielectric film 150 includes at least one metal layer (1 silver-5 silver), and is disposed on the second surface 112 or the third surface 121, and reflects P-polarized light, or the dielectric film 150 is laminated, and is sandwiched between the second surface 112 and the third surface 121, and reflects P-polarized light. The front projection of the dielectric film 150 on the second transparent substrate 120 covers at least all of the second functional display regions R211. In one embodiment, the front projection of the dielectric film 150 on the second transparent substrate 120 covers all of the second functional display regions R211. In another embodiment, the front projection of the dielectric film 150 on the second transparent substrate 120 covers all of the second functional display regions R211 and all of the first functional display regions R111.

Referring to fig. 13, in addition to the embodiment shown in fig. 11, the dielectric film 150 is disposed on the fourth surface 122. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the P polarized light reflectivity of the first surface 111 of the first transparent substrate 110 is very low at an incident angle of 50 ° -72 °, such as at an incident angle of 57 °, the P polarized light reflectivity of the first surface 111 is less than 1%, and the reflected light of the first surface 111 is weakened, that is, ghost images of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 are further weakened. In another embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the dielectric film 150 has S polarized light reflecting capability, and the S polarized light reflectivity of the dielectric film 150 is 28% or more, so that the reflected light of the first surface 111 is weakened, and the reflection image superposition of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is enhanced by using the adhesive film 130 with unequal thickness, i.e. ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is weakened. In yet another embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the front projection of the dielectric film 150 on the second transparent substrate 120 does not cover all of the first functional display region R111, and the dielectric film 150 has an S polarized light antireflection capability and a reflectivity of not more than 6%, so that the reflection light of the light source on the side of the fourth surface 122 is weakened, thereby weakening the ghost of the reflection light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 on the second functional display region R211.

Referring to fig. 14, in addition to the embodiment shown in fig. 12, the dielectric film 150 is disposed on the fourth surface 122. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the P polarized light reflectivity of the first surface 111 of the first transparent substrate 110 is very low at an incident angle of 50 ° -72 °, such as at an incident angle of 57 °, the P polarized light reflectivity of the first surface 111 is less than 1%, and the reflected light of the first surface 111 is weakened, that is, ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is weakened. In another embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the dielectric film 150 has S polarized light reflecting capability, and the S polarized light reflectivity of the dielectric film 150 is 28% or more, so that the reflected light of the first surface 111 is weakened, and the reflection image superposition of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is enhanced by using the adhesive film 130 with unequal thickness, i.e. ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is weakened. In yet another embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the front projection of the dielectric film 150 on the second transparent substrate 120 does not cover all of the first functional display region R111, and the dielectric film 150 has an S polarized light antireflection capability and a reflectivity of not more than 6%, so that the reflection light of the light source on the side of the fourth surface 122 is weakened, thereby weakening the ghost of the reflection light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 on the second functional display region R211.

Referring to fig. 15, in the embodiment shown in fig. 11, the dielectric film 150 is disposed between the light shielding layer 140 and the adhesive film 130, and the orthographic projection of the dielectric film 150 on the second transparent substrate 120 covers all the second functional display regions R211. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflectivity, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the reflectivity of the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 for P polarized light is very low at an incidence angle of 50 ° -72 °, such as less than 1% for an incidence angle of 57 °, so that the reflected light of the first surface 111 and the fourth surface 122 is weakened, i.e. ghost images of the light source on the side of the fourth surface 122 on the dielectric film 150 and the reflected light of the first surface 111 and the fourth surface 122 are weakened.

Referring to fig. 16, in addition to the embodiment shown in fig. 12, the dielectric film 150 is disposed between the adhesive film 130 and the third surface 121. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, so that the reflected light of the first surface 111 is weakened, that is, ghost images of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 are weakened.

Referring to fig. 17 to 22, fig. 17 is a cross-sectional hierarchical structure diagram along the line I-I in fig. 10 according to another embodiment of the present application; FIG. 18 is a cross-sectional hierarchical view of yet another embodiment of the present application taken along line I-I of FIG. 10; FIG. 19 is a cross-sectional hierarchical view of yet another embodiment of the present application taken along line I-I of FIG. 10; FIG. 20 is a cross-sectional hierarchical view of yet another embodiment of the present application taken along line I-I of FIG. 10; FIG. 21 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 10. The adhesive film 130 is an equal thickness film, the laminated glass 10 further includes a dielectric film 150, the dielectric film 150 is disposed on the third surface 121, or the fourth surface 122, or is wrapped in the adhesive film 130, and the dielectric film 150 has a P polarized light reflection function, or the dielectric film 150 has a polarized light reflection capability and a reflectivity of less than 6%, and a front projection of the dielectric film 150 on the second transparent substrate 120 covers at least all the second functional display areas R211.

Referring to fig. 17, the dielectric film 150 is disposed on the fourth surface 122 according to the embodiment shown in fig. 4. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the P polarized light reflectivity of the first surface 111 of the first transparent substrate 110 is very low at an incident angle of 50 ° -72 °, such as at an incident angle of 57 °, the P polarized light reflectivity of the first surface 111 is less than 1%, and the reflected light of the first surface 111 is weakened, that is, ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is weakened. In another embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the orthographic projection of the dielectric film 150 on the second transparent substrate 120 covers only all the second functional display regions R211, and the dielectric film 150 has the S polarized light antireflection capability and the reflectivity is not greater than 6%, so that the reflected light of the light source on the side of the fourth surface 122 is weakened, thereby weakening the ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122.

Referring to fig. 18, the dielectric film 150 is disposed on the fourth surface 122 according to the embodiment shown in fig. 3. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the P polarized light reflectivity of the first surface 111 of the first transparent substrate 110 is very low at an incident angle of 50 ° -72 °, such as at an incident angle of 57 °, the P polarized light reflectivity of the first surface 111 is less than 1%, and the reflected light of the first surface 111 is weakened, that is, ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 is weakened. In another embodiment, when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the front projection of the dielectric film 150 on the second transparent substrate 120 does not cover all the first functional display regions R111, and the dielectric film 150 has an S polarized light antireflection capability and a reflectivity of not more than 6%, so that the reflected light of the light source on the side of the fourth surface 122 is weakened, thereby weakening the ghost of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122.

Referring to fig. 19, in addition to the embodiment shown in fig. 4, the dielectric film 150 is disposed between the adhesive film 130 and the light shielding layer 140. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the reflectivity of the P polarized light of the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 at the incidence angle of 50 ° -72 ° is very low, such as less than 1% at the incidence angle of 57 °, so that the reflected light of the first surface 111 and the fourth surface 122 is weakened, i.e., ghost images of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 are weakened.

Referring to fig. 20, in addition to the embodiment shown in fig. 3, the dielectric film 150 is disposed between the adhesive film 130 and the third surface 121. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the reflectivity of the P polarized light of the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 at the incidence angle of 50 ° -72 ° is very low, such as less than 1% at the incidence angle of 57 °, so that the reflected light of the first surface 111 and the fourth surface 122 is weakened, i.e., ghost images of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 are weakened.

Referring to fig. 21, in the embodiment shown in fig. 4, the dielectric film 150 is disposed in the adhesive film 130, and the dielectric film 150 is wrapped in the adhesive film 130. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the reflectivity of the P polarized light of the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 at the incidence angle of 50 ° -72 ° is very low, such as less than 1% at the incidence angle of 57 °, so that the reflected light of the first surface 111 and the fourth surface 122 is weakened, i.e., ghost images of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 are weakened.

Referring to fig. 22, in the embodiment shown in fig. 3, the dielectric film 150 is disposed in the adhesive film 130, and the dielectric film 150 is wrapped in the adhesive film 130. In one embodiment, when the light source on the side of the fourth surface 122 contains 60% -100% of P polarized light, the dielectric film 150 has P polarized light reflection capability, and the P polarized light reflectivity of the dielectric film 150 is above 10%, the reflectivity of the P polarized light of the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 at the incidence angle of 50 ° -72 ° is very low, such as less than 1% at the incidence angle of 57 °, so that the reflected light of the first surface 111 and the fourth surface 122 is weakened, i.e., ghost images of the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 are weakened.

Referring to fig. 23 and 24, fig. 23 is a schematic view of a region dividing structure of a laminated glass 10 according to another embodiment of the present disclosure; FIG. 24 is a cross-sectional hierarchical view of yet another embodiment of the present application along line I-I of FIG. 23. The laminated glass 10 further has a colored region R30, the colored region R30 is located at one side of the light blocking region R10 facing away from the light transmitting region R20, the laminated glass 10 further includes a colored layer 180, the colored layer 180 is carried on the second transparent substrate 120, and the colored layer 180 is disposed in the colored region R30, and the colored layer 180 is used for alignment and an adhesive substrate surface of a window fixing or fixing member when the laminated glass 10 is mounted.

In this embodiment, the coloring layer 180 is disposed on the outermost surface of the laminated glass 10 on the side of the fourth surface 122, the orthographic projection of the coloring layer 180 on the second transparent substrate 120 just covers the coloring region R30, and the coloring region R30 may be used to mask electronic components or circuits installed later, and may also be used to assist in installing the laminated glass 10 on other devices, such as to facilitate gluing or alignment or to improve adhesive strength. And the upper boundary of the first region R110 is higher than the upper boundary of the colored region R30 located in the first region R110, optionally, the upper boundary of the first region R110 is at least 80mm higher than the upper boundary of the colored region R30 located in the first region R110, so that a sufficient space is left for the first functional display region R111.

Referring to fig. 25, fig. 25 is a schematic view of a region dividing structure of a laminated glass according to another embodiment of the present disclosure. The laminated glass 10 further includes one or more first projection light sources 170, where the first projection light sources 170 are configured to project the first image P1 to the first functional display areas R111, and each of the first projection light sources 170 is disposed corresponding to one of the first functional display areas R111; and one or more second projection light sources 190, where the second projection light sources 190 are configured to project the second image P2 to the second functional display area R211, and each second projection light source 190 is disposed corresponding to one of the second functional display areas R211.

In this embodiment, the second projection light source 190 projects on the second functional display region R211, so that the second image P2 can be displayed larger, and the diversity of image display of the laminated glass 10 is increased.

Referring to fig. 26, fig. 26 is a schematic view of a region dividing structure of a laminated glass according to another embodiment of the present disclosure. The laminated glass 10 further includes one or more flexible display screens 160, where the flexible display screens 160 are disposed in the first region R110, and each of the flexible display screens 160 is disposed corresponding to one of the first functional display regions R111, and the flexible display screens 160 are configured to display the first image P1; and one or more second projection light sources 190, where the second projection light sources 190 are configured to project the second image P2 to the second functional display area R211, and each second projection light source 190 is disposed corresponding to one of the second functional display areas R211.

In one embodiment (as shown in fig. 9), the head-up display system includes the first projection light source 170 and the laminated glass 10 according to any embodiment including only the first functional display region R111. In another embodiment (as shown in fig. 25), the head-up system includes the first projection light source 170, the second projection light source 190, and any of the laminated glass 10 described in the embodiment including the second functional display region R211.

In one embodiment, the projection light forming the first image P1 comprises 60% -100% P polarized light, and the projection light forming the second image P2 comprises 60% -100% S polarized light.

In another embodiment, the projection light forming the first image P1 contains 60% -100% S polarized light, and the projection light forming the second image P2 contains 60% -100% P polarized light.

In yet another embodiment, the projection light forming the first image P1 comprises 60% -100% P polarized light and the projection light forming the second image P2 comprises 60% -100% P polarized light.

In yet another embodiment, the projection light forming the first image P1 comprises 60% -100% S polarized light and the projection light forming the second image P2 comprises 60% -100% S polarized light.

It is preferable that the projection light contains 100% of S polarized light or 100% of P polarized light, so that a better projection effect can be achieved.

Referring to fig. 27, fig. 27 is a schematic view of a vehicle provided in the present application. The present application also provides a vehicle 1, the vehicle 1 comprising the laminated glass 10 according to any of the above embodiments, the vehicle 1 further comprising a vehicle body 20; the laminated glass 10 is provided on the vehicle body 20. The laminated glass 10 is described above, and will not be described in detail herein. When the laminated glass 10 is applied to the vehicle 1, the first transparent substrate 110 is disposed outside the vehicle 1, and the second transparent substrate 120 is disposed inside the vehicle 1.

In the present embodiment, the Vehicle 1 may be, but is not limited to, a sedan, a utility Vehicle (MPV), a Sport utility Vehicle (Sport/Suburban Utility Vehicle, SUV), an Off-Road Vehicle (ORV), a pick-up, a minibus, a passenger car, a van, or the like. The angle between the laminated glass 10 and the vertical plane is referred to as a loading angle, and is typically 50 ° to 72 °, and if the light shielding layer 140 is not provided, on the one hand, the reflected light projected on the first transparent substrate 110 and the second transparent substrate 120 in the vehicle 1 forms a ghost, and on the other hand, an object outside the vehicle 1 passes through the laminated glass 10 and the reflected light projected on the laminated glass 10 in the vehicle 1 forms a ghost. The provision of the light shielding layer 140 weakens or even eliminates the above ghost; the provision of the dielectric film 150 further weakens or even eliminates the above ghost and weakens or even eliminates the ghost effect of the second functional display region R211. When the loading angle may be 60 °, reflection of the projection light by the light-transmitting dielectric film 150 in the first functional display region R111 is tested, and the following two tables are obtained.

Table 1 reflection data of projected light from the first functional display area of a laminated glass without a transparent dielectric film on a light blocking area.

Light source type	Reflectivity of
		Common light source	7.5％
P-polarized light	0.3％
		S polarization	13％

Table 2 reflection data for projected light at the first functional display area for laminated glasses with different transparent dielectric films.

Transparent dielectric film type	Light source type	Reflectivity of
			Antireflection film	Common light source	5.1％
P polarized light reflecting film	P-polarized light	11％
			S polarized light reflecting film	S polarization	22％

In table 1, when the light source type is a normal light source, the light emitted from the normal light source is an irregular set of innumerable polarized lights, so that it is not possible to find which direction the light intensity is biased when directly observing. Such light that vibrates in all directions with the same intensity of light waves may also be referred to as natural light. When the light source type is P polarized light, the P polarized light accounts for 60% -100% of the light rays emitted by the light source. When the type of the light source is S polarized light, the S polarized light accounts for 60% -100% of the light emitted by the light source. In table 2, the light source types are shown in table 1, and will not be described herein. The antireflection film is the aforementioned dielectric film 150 having S-polarized light antireflection capability and low reflectivity (less than 6%); the P polarized light reflective film is the aforementioned dielectric film 150 having P polarized light reflective capability; the S-polarized reflective film is the aforementioned dielectric film 150 having S-polarized light reflective capability. As can be seen from the test data of the above two tables, in one embodiment, in the first functional display area R111, when the first projection light source 170 is a normal light source, after the antireflection film is installed, the reflectance of the projection of the fourth surface 122 onto the first projection light source 170 in the first functional display area R111 is reduced from 7.5% to 5.1%. In another embodiment, in the first functional display area R111, when the first projection light source 170 is P polarized light, after the P polarized reflective film is installed, the reflectivity of the projection of the fourth surface 122 on the first projection light source 170 in the first functional display area R111 is increased from 0.3% to 11%. In yet another embodiment, in the first functional display region R111, when the first projection light source 170 is S polarized light, after the S polarized reflective film is installed, the reflectivity of the projection of the fourth surface 122 on the first projection light source 170 in the first functional display region R111 is increased from 13% to 22%.

Optionally, the laminated glass 10 further has a transparent conductive layer mounted between the first transparent substrate 110 and the second transparent substrate 120, the transparent conductive layer having at least one of a heat insulating ability to reflect infrared rays and a heating function, and the transparent conductive layer covering at least 80% or more of the region of the light-transmitting region R20.

Optionally, the display distance of the first image P1 is 0.5 m-5 m, and the first image P1 may be key information such as a driving speed, a mailbox oil amount or an engine speed; optionally, the display distance of the second image P2 is 7.5m or more, and the second image P2 may be a larger image display such as route navigation, overspeed reminding or obstacle reminding.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present application, and that variations, modifications, alternatives and alterations of the above embodiments may be made by those skilled in the art within the scope of the present application, which are also to be regarded as being within the scope of the protection of the present application.

Claims

1. A laminated glass, comprising:

2. The laminated glass of claim 1, wherein the flexible display is positioned between the second surface and the third surface, and wherein the flexible display is selected from a MiniLED display, a micro led display, and/or an OLED display.

3. The laminated glass according to claim 1, wherein the projection display distance of the second image is 7.5m or more.

4. A laminated glass according to claim 3, wherein the projected light forming the second image is incident at 50 ° -72 ° to the projected display region of the second functional display region, the projected display region of the second functional display region having a reflectivity of greater than or equal to 8% for the projected light forming the second image.

5. A laminated glass as in claim 2 or 3 further comprising a dielectric film located at least in the second functional display area.

6. The laminated glass of claim 5, wherein the dielectric film is further positioned in the first functional display area.

7. The laminated glass of claim 5, wherein the adhesive film is a thick film, the projected light forming the second image comprises 60% -100% P polarized light, the dielectric film is a laminate structure of high refractive index layer/low refractive index layer, comprising at least one metal layer or laminate PET, and the projected display area of the second functional display area has a reflectivity of greater than or equal to 10% for projected light forming the second image incident at 50 ° -72 °.

8. The laminated glass of claim 5, wherein the adhesive film is an isopachous film or a wedge film, the fourth surface has the dielectric film, the dielectric film is an antireflection film, and the second functional display area is the first surface, the projected light forming the second image comprises 60% -100% S polarized light, the antireflection film has a reflectivity of less than or equal to 6% for the projected light forming the second image, and the projected display area of the second functional display area has a reflectivity of greater than or equal to 8% for the projected light forming the second image incident at 50 ° -72 °.

9. A laminated glass according to claim 5, wherein the adhesive film is a wedge film, the projected light forming the second image comprises 60% -100% S polarized light, the dielectric film is a laminated structure of high refractive index layer/low refractive index layer on the third surface or the fourth surface, and the reflectance of the projected display area of the second functional display area to the projected light forming the second image incident at 50 ° -72 ° is 28% or more.

10. The laminated glass of claim 4, wherein the adhesive film is a wedge film and the second functional display area is the fourth surface, the projected light forming the second image comprises 60% -100% S polarized light, and the projected display area of the second functional display area has a reflectivity of greater than or equal to 8% for projected light forming the second image incident at 50 ° -72 °.

11. A head-up display system comprising a second projection light source and a laminated glass according to any one of claims 1 to 10, wherein the second projection light source is configured to project projection light rays forming the second image onto the second functional display area.

12. The heads-up display system as claimed in claim 11 wherein the projection light rays forming the second image comprise 60% -100% S polarized light.

13. The heads-up display system as claimed in claim 11 wherein the projection light rays forming the second image comprise 60% -100% P polarized light.