CN218547188U - Electrochromic rear-view mirror and vehicle - Google Patents

Abstract

The utility model relates to a mobile unit technical field, concretely relates to electrochromic rear-view mirror and vehicle, this electrochromic rear-view mirror is including the casing that has the holding chamber and the first base plate that stacks gradually along the incident direction of light, electrochromic layer and second base plate are located and are held the intracavity, the casing includes that the second base plate is close to and keeps away from the diapire that electrochromic layer one side set up and the lateral wall that forms in the edge of diapire and extend along the direction that is close to first base plate, diapire and lateral wall enclose and establish and form and hold the chamber, one side that the lateral wall kept away from the diapire is connected with the one side that first base plate stacks there is the electrochromic layer; in this way, the intracavity that holds of casing is located respectively to electrochromic layer and second base plate, and first base plate is located the lateral wall that holds the intracavity outside and directly be connected with the casing of casing, makes the border that is close to the first base plate of driver one side need not to set up the frame, has realized the no frame of electrochromic rear-view mirror, is favorable to enlarging driver's the field of vision, improves user experience.

Description

Electrochromic rear-view mirror and vehicle

Technical Field

The application relates to the technical field of vehicle-mounted equipment, in particular to an electrochromic rearview mirror and a vehicle.

Background

The automobile is a vehicle for carrying people and goods, the requirement on traffic safety is higher and higher along with the increase of automobiles on roads, and the dazzling of a driver can interfere the driving sight of the driver in the driving process of the automobile, so that traffic accidents are easily caused.

Currently, in the existing anti-glare rearview mirror technology, a rearview mirror generally consists of a control panel, a dimming layer with electrochromic material, a circuit board, a light sensing element and a rear cover/bracket, wherein a control panel frame and the rear cover are fastened to fix the dimming layer with electrochromic material, the circuit board and the light sensing element. The metal buckles are arranged at the staggered positions in the horizontal direction or the vertical direction and used for applying an electric field to the conducting layer, so that the electric field applied to the electrochromic material is ensured to be a uniform electric field, and the light is uniformly adjusted when the electrochromic material is adjusted. However, in the structure of the rear view mirror, since the metal buckle is arranged at the staggered position in the horizontal or vertical direction, the length of the metal buckle is close to that of the conductive layer, the frame of the rear view mirror is wider, and the whole occupied space of the frame is larger, which is not beneficial to expanding the visual field of the driver.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, embodiments of the present application provide an electrochromic rearview mirror and a vehicle to solve the above technical problems.

In a first aspect, an embodiment of the present application provides an electrochromic rearview mirror, including: have the casing that holds the chamber and follow the incident direction of light and stack gradually first base plate, electrochromic layer and second base plate, electrochromic layer with the second base plate is located respectively hold the intracavity, the second base plate is in along the emergent direction of light projection on the first base plate is located in the first base plate, the casing is including being close to the second base plate is kept away from the diapire that electrochromic layer one side set up with form in the edge of diapire is close to along the lateral wall that the direction of first base plate extends, the diapire with the lateral wall encloses establishes the formation hold the chamber, the lateral wall is kept away from one side of diapire with first base plate is range upon range of and is had the one side of electrochromic layer is connected.

In some embodiments, the second substrate includes a carrier substrate and a reflective conductive layer sequentially stacked in an emission direction of light.

In some embodiments, the first substrate includes a transparent substrate and a first transparent electrode layer sequentially stacked in an incident direction of light.

In some embodiments, the electrochromic rear view mirror further comprises a sealing frame glue surrounding a rim of the electrochromic layer.

In some embodiments, the first transparent electrode layer includes a first electrode and a second electrode disposed at an interval, and at least a portion of the sealant segment between the second electrode and the reflective conductive layer is a conductive sealant segment.

In some embodiments, the first transparent electrode layer comprises a first electrode and a second electrode spaced apart from each other, and the electrochromic rearview mirror further comprises a first metal conductive layer disposed between the second electrode and the reflective conductive layer.

In some embodiments, the reflective conductive layer includes a reflective layer stacked on the transparent substrate and a second transparent electrode layer stacked on a side of the reflective layer away from the transparent substrate.

In some embodiments, the first substrate includes an overlap region that mates with the second substrate and a non-overlap region disposed around the overlap region, the non-overlap region abutting the sidewall;

the electrochromic rearview mirror further comprises two second metal conducting layers which are respectively laminated on the first electrode and the second electrode, and the two second metal conducting layers are respectively positioned in the non-overlapping area.

In some embodiments, the size of the non-coincident region matches the size of the sidewall.

In a second aspect, embodiments of the present application further provide a vehicle, which includes the electrochromic rearview mirror described above.

The electrochromic rear-view mirror that this application embodiment provided, including have the casing that holds the chamber and follow the incident direction of light and stack gradually first base plate, electrochromic layer and second base plate, electrochromic layer with the second base plate is located respectively hold the intracavity, the second base plate is in along the emergent direction of light projection on the first base plate is located in the first base plate, the casing is including being close to the second base plate keep away from the diapire that electrochromic layer one side set up and forming in the edge of diapire and along the lateral wall that is close to the direction extension of first base plate, the diapire with the lateral wall encloses to establish and forms hold the chamber, one side that the diapire was kept away from to the lateral wall with the one side that first base plate range upon range of has the electrochromic layer is connected; in this way, the intracavity that holds of casing is located respectively to electrochromic layer and second base plate, and first base plate is located the lateral wall that holds the intracavity outside and directly be connected with the casing of casing, makes the border that is close to the first base plate of driver one side need not to set up the frame, has realized the no frame of electrochromic rear-view mirror, is favorable to enlarging driver's the field of vision, improves user experience.

These and other aspects of the present application will be more readily apparent from the following description of the embodiments.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of an electrochromic rearview mirror provided in an embodiment of the present application.

Fig. 2 shows a schematic structural diagram of an electro-dimming layer in an electrochromic rearview mirror provided in an embodiment of the present application.

Fig. 3 shows a schematic structural diagram of an electro-dimming layer in an electrochromic rearview mirror provided by an embodiment of the present application.

Fig. 4 shows a matching diagram of the first substrate and the sealant in the electrochromic rear view mirror according to an embodiment of the disclosure.

Fig. 5 shows a matching diagram of the second substrate and the sealant in the electrochromic rear view mirror according to an embodiment of the disclosure.

Fig. 6 shows a matching diagram of the first substrate and the sealant in the electrochromic rear view mirror according to an embodiment of the disclosure.

Fig. 7 shows a matching diagram of the second substrate and the sealant in the electrochromic rear view mirror according to an embodiment of the disclosure.

Fig. 8 shows a matching diagram of the first substrate and the sealant in the electrochromic rear view mirror according to an embodiment of the disclosure.

Fig. 9 shows a matching diagram of the second substrate and the sealant in the electrochromic rear view mirror according to an embodiment of the disclosure.

Fig. 10 shows a schematic structural diagram of an electrochromic rearview mirror provided in an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the embodiments of the present application, at least one means one or more; plural means two or more. In the description of the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor order.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, the terms "including," "comprising," "having," and variations thereof in this specification mean "including, but not limited to," unless expressly specified otherwise.

It should be noted that in the embodiment of the present application, "and/or" describes an association relationship of an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone.

It is to be noted that "connected" in the embodiments of the present application may be understood as an electrical connection, and the connection of two electrical components may be a direct or indirect connection between the two electrical components. For example, a and B may be connected directly, or indirectly through one or more other electrical components.

An embodiment of the present application provides an electrochromic rearview mirror 100, and as shown in fig. 1, the electrochromic rearview mirror 100 includes: a first substrate 1, a second substrate 2, a housing 3 and an electrochromic layer 4.

Wherein the first substrate 1, the electrochromic layer 4, and the second substrate 2 are sequentially stacked in the incident direction S1 of light. The first substrate 1, the electrochromic layer 4 and the second substrate 2 form an electrochromic layer of the electrochromic rearview mirror 100.

Wherein, casing 3 has and holds chamber 3a, and electrochromic layer 4 and second base plate 2 are located respectively and hold chamber 3a in, and first base plate 1 is located and holds chamber 3a outside, and the open-ended one end in chamber 3a is located to first base plate 1 lid. The projection of the second substrate 2 on the first substrate 1 along the outgoing direction S2 of the light is located in the first substrate 1, and the outgoing direction S2 of the light is opposite to the incoming direction S1 of the light. Specifically, the area of the first substrate 1 is larger than that of the second substrate 2.

Wherein, casing 3 includes diapire 31 and lateral wall 32, and diapire 31 is close to second base plate 2 and keeps away from electrochromic layer 4 one side and sets up, and lateral wall 32 is formed at the edge of diapire 31 and extends along the direction that is close to first base plate 1, and diapire 31 and lateral wall 32 enclose to establish and form and hold chamber 3a, and the one side that diapire 11 was kept away from to lateral wall 32 is connected with the one side that first base plate 1 has range upon range of electrochromic layer 4.

Wherein, the electrochromic layer 4 contains an electrochromic material, the electrochromic material can be an inorganic electrochromic material or an organic electrochromic material, the inorganic electrochromic material can be a transition metal oxide or a derivative thereof, for example, the inorganic electrochromic material can be tungsten trioxide; the organic electrochromic material can be organic micromolecular electrochromic material or conductive polymer electrochromic material, for example, the organic electrochromic material can be polythiophene and derivatives thereof, viologen, tetrathiafulvalene or metal phthalocyanine compounds.

In this embodiment, locate between first base plate and the second base plate with electrochromic layer clamp, the projection of second base plate on first base plate along the outgoing direction of light is located first base plate, do not have the dislocation between first base plate and the second base plate, electrochromic layer and second base plate are located the intracavity that holds of casing respectively, first base plate is located the side wall that holds the intracavity outside and directly with the casing of casing and is connected, the border that makes the first base plate that is close to driver one side need not to set up the frame, the frameless who has realized electrochromic rear-view mirror is favorable to enlarging driver's field of vision, improve user experience.

As an embodiment, the electrochromic rear view mirror 100 of the present embodiment may be an interior rear view mirror.

As an embodiment, the thicknesses of the first and second substrates 1 and 2 may be the same or close to each other, for example, the absolute value of the difference between the thickness of the first substrate 1 and the thickness of the second substrate 2 is less than or equal to 0.5mm.

As an embodiment, referring to fig. 2, the second substrate 2 includes a carrier substrate 21 and a reflective conductive layer 22 sequentially stacked along the light emitting direction S2.

The reflective conductive layer 22 has a light reflection function, and can reflect incident light; meanwhile, the reflective conductive layer 22 also has a conductive function.

In some embodiments, the carrier substrate 21 may be made of a glass base material, and the carrier substrate 21 may also be made of acryl or PC (Polycarbonate) plastic or PET (polyethylene glycol terephthalate).

In one embodiment, the first substrate 1 includes a transparent substrate 11 and a first transparent electrode layer 12 stacked in this order along the incident direction S1 of light. In the present embodiment, an electric field is applied to or removed from the electrochromic layer 4 through the first transparent electrode layer 12 and the reflective conductive layer 22; the color depth of the electrochromic layer 4 is regulated and controlled by an electric field, and the color depth is changed; when an electric field is loaded, a driving voltage is loaded on the electrochromic layer 4, and the color of the electrochromic layer 4 becomes dark; when the electric field is removed, the driving voltage applied to the electrochromic layer 4 is removed, and the color of the electrochromic layer 4 becomes lighter.

In some embodiments, the transparent substrate 11 may be made of a glass material, and the thickness of the transparent substrate 11 may be 0.2 to 2mm, for example, 0.5mm, 0.7mm, 1.1mm, or 1.8mm. Further, the transparent substrate 11 may be tempered and the periphery may be thermally bent, for example, a 2.5D glass cover plate may be formed. The outer surface of the glass facing the driver may be treated for fingerprint prevention (AF), scratch prevention, glare prevention (AG), and the like.

As an embodiment, referring to fig. 3, fig. 4 and fig. 5, the electrochromic rear view mirror 100 further includes a sealant 41, and the sealant 41 is disposed around the edge of the electrochromic layer 4.

As an embodiment, referring to fig. 4, the first transparent electrode layer 12 includes a first electrode 121 and a second electrode 122 that are disposed at intervals, the first electrode 121 and the second electrode 122 are not electrically connected, and each of the first electrode 121 and the second electrode 122 may be made of Indium Tin Oxide (ITO) material. In the present embodiment, the first electrode 121 is used to load the electrochromic layer 4 with an electric field; the second electrode 122 is used to apply an electrical signal to the reflective conductive layer 22, so that the reflective conductive layer 22 and the first electrode 121 apply an electric field to the electrochromic layer 4. In this embodiment, the second electrode 122 is electrically connected to the reflective conductive layer 22.

In some embodiments, referring to fig. 6 and 7, at least a portion of the sealant segment of the sealing sealant 41 located between the second electrode 122 and the reflective conductive layer 22 is a conductive sealant segment 411, and the second electrode 122 and the reflective conductive layer 22 are electrically connected through the conductive sealant segment 411. Further, the other portions of the sealing frame glue 41 except the conductive frame glue segment 411 may be insulating frame glue segments.

In some embodiments, the sealing frame adhesive 41 is an insulating frame adhesive, and in order to electrically connect the second electrode 122 and the reflective conductive layer 22, a conductive layer may be disposed between the second electrode 122 and the reflective conductive layer 22, specifically, as shown in fig. 3, 4 and 5, the electrochromic rearview mirror 100 of this embodiment further includes a first metal conductive layer 42 disposed between the second electrode 122 and the reflective conductive layer 22.

In some embodiments, the first metal conductive layer 42 may be covered on the second electrode 122 by silk-screening or plating, and the metal conductive material in the first metal conductive layer 42 may be gold, silver, copper, or other metal material with high conductivity. In the present embodiment, the second electrode 122 and the reflective conductive layer 22 are electrically connected by providing the first metal conductive layer 42, and the first electrode 121 and the reflective conductive layer 22 uniformly receive an electric signal to generate a uniform electric field, so that the color of the electrochromic layer 4 is uniformly changed.

As an embodiment, in order to make the electric field of the electrochromic layer 4 more uniform, the first electrode 121 and the electrochromic layer 4 are overlapped sufficiently, the area of the first electrode 121 is larger than that of the second electrode 122, the first metal conductive layer 42 only needs to be capable of electrically connecting the second electrode 122 and the reflective conductive layer 22, the arrangement positions of the first electrode 121, the second electrode 122 and the first metal conductive layer 42 are not particularly limited, in the embodiment shown in fig. 5 and 6, the second electrode 122 and the first metal conductive layer 42 are respectively located above the first electrode 121, and in another embodiment, as shown in fig. 8 and 9, the second electrode 122 and the first metal conductive layer 42 are respectively located below the first electrode 121.

In one embodiment, the reflective conductive layer 22 includes a reflective layer 221 stacked on the transparent substrate 21 and a second transparent electrode layer 222 stacked on a side of the reflective layer 221 away from the transparent substrate 21. In this embodiment mode, the reflection of light is performed by the reflective layer 221, and an electric field is applied to the electrochromic layer 4 through the second transparent electrode layer 222. The second transparent electrode layer 222 may also be made of Indium Tin Oxide (ITO) material. In the present embodiment, an electric field is applied to or removed from the electrochromic layer 4 through the first transparent electrode layer 12 and the second transparent electrode layer 222; the color depth of the electrochromic layer 4 is regulated and controlled by an electric field, and the color depth is changed; when an electric field is loaded, a driving voltage is loaded on the electrochromic layer 4, and the color of the electrochromic layer 4 becomes dark; when the electric field is removed, the driving voltage applied to the electrochromic layer 4 is removed, and the color of the electrochromic layer 4 becomes lighter. Accordingly, the first metal conductive layer 42 electrically connects the second electrode 122 and the second transparent electrode layer 222, and the second electrode 122 applies an electric signal to the second transparent electrode layer 222, so that the second transparent electrode layer 222 and the first electrode 121 apply an electric field to the electrochromic layer 4.

In some embodiments, the reflective layer 221 may be a metal plating, for example, the reflective layer 221 may be a silver plating or a gold plating or a copper plating.

In some embodiments, the sheet resistance of ITO in the first and second transparent electrode layers 12 and 222 may be 7 to 15 ohms, for example, 10 ohms.

In the present embodiment, please refer to fig. 2 and fig. 3, the first substrate 1 includes an overlapping region 101 matching with the second substrate 2 and a non-overlapping region 102 disposed around the overlapping region 101, and the non-overlapping region 102 of the first substrate 1 abuts against a side of the sidewall 32 away from the bottom wall 31.

As an implementation manner, the electrochromic rear view mirror 100 of the present embodiment further includes two second metal conductive layers 123 respectively stacked on the first electrode 121 and the second electrode 122, and the two second metal conductive layers 123 are connected to the power supply module to apply an electrical signal to the first electrode 121 and the second electrode 122, respectively. In this embodiment, two second metal conductive layers 123 are located in the non-overlapping region 102.

In some embodiments, the size of the non-coincident region 102 of the first substrate 1 matches the size of the sidewall 32. At this time, the shape of the first substrate 1 is adapted to the shape of the side wall 32 far from the bottom wall 31, the first substrate 1 is adapted to the side wall 32, one of the second metal conductive layers 123 is disposed between the first electrode 121 and the side wall 32 far from the bottom wall 31, and the other second metal conductive layer 123 is disposed between the second electrode 122 and the side wall 32 far from the bottom wall 31.

As an embodiment, referring to fig. 10, the electrochromic rearview mirror 100 further includes a circuit board 5 disposed between the second substrate 2 and the bottom wall 31, and the circuit board 5 is also disposed in the accommodating cavity 3 a.

As an embodiment, the electrochromic rearview mirror 100 further includes a light sensing element (not shown), which can be disposed on the housing 3 for detecting the intensity of light.

The embodiment of the application also provides a vehicle, which comprises the electrochromic rearview mirror 100.

Although the present application has been described with reference to the preferred embodiments, it is to be understood that the present application is not limited to the disclosed embodiments, but rather, the present application is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the present application.

Claims (10)

1. An electrochromic rearview mirror, comprising: have the casing that holds the chamber and follow the incident direction of light and stack gradually first base plate, electrochromic layer and second base plate, electrochromic layer with the second base plate is located respectively hold the intracavity, the second base plate is in along the emergent direction of light projection on the first base plate is located in the first base plate, the casing is including being close to the second base plate is kept away from the diapire that electrochromic layer one side set up with form in the edge of diapire is close to along the lateral wall that the direction of first base plate extends, the diapire with the lateral wall encloses establishes the formation hold the chamber, the lateral wall is kept away from one side of diapire with first base plate is range upon range of and is had the one side of electrochromic layer is connected.

2. The electrochromic rearview mirror according to claim 1, wherein said second substrate comprises a carrier substrate and a reflective conductive layer which are laminated in this order in an exit direction of light.

3. The electrochromic rearview mirror according to claim 2, wherein said first substrate comprises a transparent substrate and a first transparent electrode layer which are sequentially stacked in an incident direction of light.

4. The electrochromic rearview mirror according to claim 3, further comprising a sealing frame glue surrounding a rim of said electrochromic layer.

5. The electrochromic rearview mirror according to claim 4, wherein said first transparent electrode layer comprises a first electrode and a second electrode which are arranged at an interval, and a sealant segment of said sealant between said second electrode and said reflective conductive layer is at least partially a conductive sealant segment.

6. The electrochromic rearview mirror according to claim 3, wherein said first transparent electrode layer comprises a first electrode and a second electrode spaced apart from each other, said electrochromic rearview mirror further comprising a first metallic conductive layer disposed between said second electrode and said reflective conductive layer.

7. The electrochromic rearview mirror according to any one of claims 3 to 6, wherein said reflective conductive layer comprises a reflective layer laminated to said transparent substrate and a second transparent electrode layer laminated to a side of said reflective layer remote from said transparent substrate.

8. The electrochromic rearview mirror according to claim 5 or 6, wherein said first substrate includes an overlapping region matching said second substrate and a non-overlapping region disposed around said overlapping region, said non-overlapping region abutting said sidewall;

the electrochromic rearview mirror further comprises two second metal conducting layers which are respectively laminated on the first electrode and the second electrode, and the two second metal conducting layers are respectively positioned in the non-overlapping area.

9. The electrochromic rearview mirror as claimed in claim 8, wherein a size of said non-overlapping area matches a size of said side wall.

10. A vehicle, characterized in that it comprises an electrochromic rear-view mirror according to any one of claims 1 to 9.

Images