Brightness adjusting method and device of dimming glass, electronic equipment and storage medium

Abstract

The invention discloses a brightness adjusting method and device of dimming glass, electronic equipment and a storage medium. The brightness adjusting method comprises the following steps: sending a brightness adjusting control signal to dimming glass; the adjusted light transmittance of the adjusted dimming glass is obtained; and outputting a brightness adjustment feedback signal according to the adjusted light transmittance. Through the brightness adjusting method, the dimming glass can have a self-feedback function, and the brightness adjusting precision of the dimming glass can be improved.

Description

Technical Field

[0001] This disclosure relates to methods, apparatus, electronic devices, and storage media for adjusting the brightness of smart glass. Background Technology

[0002] Smart glass is a high-tech glass product whose transparency can be adjusted electronically. It utilizes a built-in liquid crystal film to achieve the effect of "transparent when powered on and fogged when powered off," primarily used for privacy protection and light regulation. In addition, smart glass also features energy saving, sound insulation, heat insulation, and UV blocking, and is widely used in offices, residences, automobiles, and other fields. Summary of the Invention

[0003] This disclosure provides a method, apparatus, electronic device, and storage medium for adjusting the brightness of a dimming glass. The brightness adjustment method enables the feedback function of the dimming glass.

[0004] According to a first aspect of this disclosure, a method for adjusting the brightness of a dimming glass is provided, comprising: sending a brightness adjustment control signal to the dimming glass; acquiring the adjusted transmittance of the dimming glass; and outputting a brightness adjustment feedback signal based on the adjusted transmittance.

[0005] In at least some embodiments, the above-described brightness adjustment method includes: obtaining a first transmittance of a dimming glass, the first transmittance being a target transmittance; sending a brightness adjustment control signal to the dimming glass based on the first transmittance; obtaining a second transmittance of the adjusted dimming glass, the second transmittance being the adjusted transmittance; and comparing the first transmittance and the second transmittance, and outputting a brightness adjustment feedback signal based on the comparison result.

[0006] In at least some embodiments, comparing the first transmittance and the second transmittance and outputting a brightness adjustment feedback signal based on the comparison result includes: determining a difference between the first transmittance and the second transmittance; setting a transmittance difference threshold and comparing the transmittance difference threshold with the difference; and issuing a first feedback signal in response to the difference being less than or equal to the transmittance difference threshold; or issuing a second feedback signal in response to the difference being greater than the transmittance difference threshold, wherein the first feedback signal is different from the second feedback signal.

[0007] In at least some embodiments, the dimming glass includes a first side and a second side opposite to each other in its thickness direction, and incident light irradiates the dimming glass substantially in a direction from the first side to the second side; wherein, obtaining the second transmittance of the adjusted dimming glass includes: detecting a first light intensity of incident light irradiating the first side; detecting a second light intensity of incident light passing through the dimming glass and irradiating the second side; and determining the second transmittance based on the first light intensity and the second light intensity.

[0008] In at least some embodiments, the brightness adjustment method further includes: sending a brightness adjustment control request to the dimming glass; and in response to the brightness adjustment control request, obtaining a pre-set first light transmittance of the dimming glass.

[0009] In at least some embodiments, the dimming glass includes at least one dimming sub-region, and the brightness adjustment method includes: sending a sub-region brightness adjustment control signal to the dimming sub-region; obtaining the adjusted sub-region transmittance of the dimming sub-region; and outputting a sub-region brightness adjustment feedback signal based on the adjusted sub-region transmittance.

[0010] In at least some embodiments, the brightness adjustment method includes: obtaining the transmittance of a first sub-region of the dimming sub-region, wherein the transmittance of the first sub-region is the transmittance of a target sub-region; sending a sub-region brightness adjustment control signal to the dimming sub-region based on the transmittance of the first sub-region; obtaining the transmittance of a second sub-region of the dimming sub-region after adjustment; and comparing the transmittance of the first sub-region and the transmittance of the second sub-region, and outputting a sub-region brightness adjustment feedback signal based on the comparison result.

[0011] In at least some embodiments, the at least one dimming sub-region includes multiple dimming sub-regions, and the brightness adjustment method includes: sending multiple sub-region brightness adjustment control signals to the multiple dimming sub-regions respectively; obtaining multiple adjusted sub-region transmittances of the multiple dimming sub-regions after adjustment; and outputting multiple sub-region brightness adjustment feedback signals according to the transmittances of each of the adjusted sub-regions.

[0012] In at least some embodiments, the brightness adjustment method includes: acquiring the transmittance of a plurality of first sub-regions of the plurality of dimming sub-regions; sending a plurality of sub-region brightness adjustment control signals to the plurality of dimming sub-regions according to the transmittance of each first sub-region; acquiring the transmittance of a second sub-region of each dimming sub-region after adjustment; comparing the transmittance of the first sub-regions and the transmittance of the second sub-regions of each dimming sub-region, and outputting the sub-region brightness adjustment feedback signal according to the comparison result.

[0013] In at least some embodiments, the transmittance of the plurality of first sub-regions is set to increase or decrease along the arrangement direction of the plurality of dimming sub-regions.

[0014] In at least some embodiments, the dimming sub-region includes a first dimming sub-region side and a second dimming sub-region side opposite to each other in its thickness direction, and incident light irradiates the dimming sub-region substantially in a direction from the first dimming sub-region side to the second dimming sub-region side; obtaining the transmittance of the second sub-region of the adjusted dimming sub-region includes: detecting the light intensity of the first sub-region of the incident light irradiating the first dimming sub-region side; detecting the light intensity of the second sub-region that passes through the dimming sub-region and irradiates the second dimming sub-region side; and determining the transmittance of the second sub-region based on the light intensity of the first sub-region and the light intensity of the second sub-region.

[0015] According to a second aspect of this disclosure, a brightness adjustment system for vehicle dimming glass is provided, comprising: an electronic control device configured to: send a brightness adjustment control signal to the dimming glass; and an on-board diagnostic device configured to: acquire the adjusted light transmittance of the dimming glass, and output a brightness adjustment feedback signal to the electronic control device based on the adjusted light transmittance.

[0016] In at least some embodiments, the electronic control device is configured to: acquire a first transmittance of the dimming glass, and send a brightness adjustment control signal to the dimming glass based on the first transmittance, wherein the first transmittance is a target transmittance; the on-board diagnostic device is configured to: acquire a second transmittance of the adjusted dimming glass, compare the first transmittance and the second transmittance, and output a brightness adjustment feedback signal to the electronic control device based on the comparison result, wherein the second transmittance is the adjusted transmittance.

[0017] In at least some embodiments, the on-board diagnostic device is further configured to: determine a difference between the first transmittance and the second transmittance; set a transmittance difference threshold and compare the transmittance difference threshold with the difference; and issue a first feedback signal in response to the difference being less than or equal to the transmittance difference threshold; or issue a second feedback signal in response to the difference being greater than the transmittance difference threshold, wherein the first feedback signal is different from the second feedback signal.

[0018] In at least some embodiments, the dimming glass includes a first side and a second side opposite to each other in its thickness direction, and incident light illuminates the dimming glass substantially in a direction from the first side to the second side; wherein the brightness adjustment system further includes a detection device, the detection device comprising: a first light sensor disposed on the first side and configured to detect a first light intensity of incident light illuminating the first side; and a second light sensor disposed on the second side and configured to detect a second light intensity of incident light transmitted through the dimming glass and illuminating the second side.

[0019] In at least some embodiments, the first light sensor has a first orthographic projection on the dimming glass, and the second light sensor has a second orthographic projection on the dimming glass, wherein the first orthographic projection and the second orthographic projection do not overlap each other in the thickness direction of the dimming glass.

[0020] In at least some embodiments, the first optical sensor and the second optical sensor each include a photodiode.

[0021] In at least some embodiments, the detection device is configured to send the first light intensity and the second light intensity to the on-board diagnostic device; wherein the on-board diagnostic device is configured to determine the second transmittance based on the first light intensity and the second light intensity.

[0022] In at least some embodiments, the dimming glass includes multiple dimming sub-regions, and the electronic control device is further configured to: acquire the transmittance of a first sub-region of the dimming sub-region, and send a sub-region brightness adjustment control signal to the dimming sub-region based on the transmittance of the first sub-region; the on-board diagnostic device is further configured to: acquire the transmittance of a second sub-region of the adjusted dimming sub-region, compare the transmittance of the first sub-region and the transmittance of the second sub-region, and output a sub-region brightness adjustment feedback signal to the electronic control device based on the comparison result.

[0023] In at least some embodiments, the dimming sub-region includes a first dimming sub-region side and a second dimming sub-region side that are opposite to each other in their thickness direction, and incident light irradiates the dimming glass substantially in a direction from the first dimming sub-region side to the second dimming sub-region side; wherein, the brightness adjustment system further includes: a plurality of detection devices, the plurality of detection devices and the plurality of dimming sub-regions being arranged one-to-one, each of the detection devices including: a first light sensor, disposed on the first dimming sub-region side and configured to detect the light intensity of a first sub-region of incident light irradiating the first dimming sub-region side; and a second light sensor, disposed on the second dimming sub-region side and configured to detect the light intensity of a second sub-region of incident light that passes through the dimming sub-region and irradiates the second dimming sub-region side.

[0024] In at least some embodiments, the electronic control device is further configured to: acquire the transmittance of a plurality of first sub-regions of the plurality of dimming sub-regions, and send a plurality of sub-region brightness adjustment control signals to the plurality of dimming sub-regions according to the transmittance of each first sub-region; the on-board diagnostic device is further configured to: acquire the transmittance of a second sub-region of each dimming sub-region after adjustment, compare the transmittance of the first sub-region and the transmittance of the second sub-region of each dimming sub-region, and output a sub-region brightness adjustment feedback signal to the electronic control device according to the comparison result.

[0025] In at least some embodiments, the brightness adjustment system further includes: an in-vehicle display device, the in-vehicle diagnostic device is further configured to output the brightness adjustment feedback signal to the in-vehicle display device, and the in-vehicle display device is configured to convert the brightness adjustment feedback signal into a display signal.

[0026] According to a third aspect of this disclosure, an electronic device is provided, comprising: a processor, and a memory communicatively connected to the processor, the memory storing computer-executable instructions; wherein the processor executes the computer-executable instructions stored in the memory to implement any of the preceding brightness adjustment methods.

[0027] According to a fourth aspect of this disclosure, a computer-readable storage medium is provided, wherein computer-executable instructions are stored therein, and when a processor executes the computer-executable instructions, the brightness adjustment method as described above is implemented. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings of the embodiments will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this disclosure and are not intended to limit this disclosure.

[0029] Figure 1 Flowchart of the brightness adjustment method provided in the embodiments of this disclosure Figure 1 ;

[0030] Figure 2 Flowchart of the brightness adjustment method provided in the embodiments of this disclosure Figure 2 ;

[0031] Figure 3 Flowchart of the brightness adjustment method provided in the embodiments of this disclosure Figure 3 ;

[0032] Figure 4 This is a schematic diagram of the structure of the optical sensor provided in an embodiment of this disclosure;

[0033] Figure 5 A cross-sectional schematic diagram of the optical sensor provided in an embodiment of this disclosure;

[0034] Figure 6A This is a schematic diagram of the structure of the zoned dimming glass provided in an embodiment of this disclosure;

[0035] Figure 6B A cross-sectional schematic diagram of an optical sensor provided in another embodiment of this disclosure;

[0036] Figure 7 This is a schematic diagram of the structure of a zoned dimming glass provided in another embodiment of the present disclosure;

[0037] Figure 8 Flowchart of a brightness adjustment method provided in another embodiment of this disclosure Figure 1 ;

[0038] Figure 9 Flowchart of a brightness adjustment method provided in another embodiment of this disclosure Figure 2 ;

[0039] Figure 10 This is a structural block diagram of the brightness adjustment system for vehicle-mounted dimming glass provided in an embodiment of the present disclosure;

[0040] Figure 11 A flowchart illustrating the brightness adjustment system for vehicle-mounted dimming glass provided in this embodiment of the disclosure;

[0041] Figure 12 A flowchart illustrating the process of adjusting the brightness of an in-vehicle electronic device provided in this embodiment of the disclosure. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0043] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as “comprising” or “including” indicate that the element or object preceding “comprising” or “including” encompasses the element or object listed following “comprising” or “including” and its equivalents, and do not exclude other elements or objects. Terms such as “connected” or “linked” are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Terms such as “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0044] Typically, smart glass adjusts its brightness using voltage. However, existing smart glass lacks a feedback mechanism, failing to reflect the effect of dimming. Especially for smart glass used in automobiles, based on vehicle standards and manufacturer requirements, the enabling dynamic devices installed in vehicles need a feedback mechanism to determine the state of the smart glass and thus decide whether further action is required.

[0045] According to an embodiment of this disclosure, a method for adjusting the brightness of a dimming glass is provided, comprising: sending a brightness adjustment control signal to the dimming glass; acquiring the adjusted transmittance of the dimming glass; and outputting a brightness adjustment feedback signal based on the adjusted transmittance.

[0046] According to another embodiment of this disclosure, a brightness adjustment system for vehicle dimming glass is provided, comprising: an electronic control device configured to: send a brightness adjustment control signal to the dimming glass; and an on-board diagnostic device configured to: acquire the adjusted light transmittance of the dimming glass, and output a brightness adjustment feedback signal to the electronic control device based on the adjusted light transmittance.

[0047] In the brightness adjustment method and system for vehicle dimming glass provided in the above-described embodiments, the brightness of the dimming glass is first adjusted. Then, the adjusted transmittance of the dimming glass is obtained, and based on the adjusted transmittance, a brightness adjustment feedback signal is output, thereby realizing the feedback function of brightness adjustment of the dimming glass. Since dimming glass has many applications, especially when used in vehicles such as airplanes or automobiles, the feedback function provides real-time feedback to the driver or passengers after dimming, which helps improve dimming accuracy and enhances driving safety.

[0048] In some embodiments, the above-described brightness adjustment method includes: obtaining a first transmittance of a dimming glass, wherein the first transmittance is a target transmittance; sending a brightness adjustment control signal to the dimming glass based on the first transmittance; obtaining a second transmittance of the dimming glass after adjustment (in this document, the second transmittance is the aforementioned adjusted transmittance); and comparing the first transmittance and the second transmittance, and outputting a brightness adjustment feedback signal based on the comparison result.

[0049] In some embodiments, the electronic control device in the above-mentioned brightness adjustment system is further configured to: acquire a first transmittance of the dimming glass, and send a brightness adjustment control signal to the dimming glass according to the first transmittance, wherein the first transmittance is a target transmittance; the on-board diagnostic device is configured to: acquire a second transmittance of the adjusted dimming glass, compare the first transmittance and the second transmittance, and output a brightness adjustment feedback signal to the electronic control device according to the comparison result.

[0050] In the brightness adjustment method and system for vehicle dimming glass provided in the above-described embodiments, the brightness of the dimming glass is first adjusted based on a target transmittance (i.e., a first transmittance). Then, the second transmittance of the adjusted dimming glass is obtained, and a brightness adjustment feedback signal is output based on the comparison between the first and second transmittance, thereby realizing the feedback function for brightness adjustment of the dimming glass. Since dimming glass has many applications, especially when used in vehicles such as airplanes or automobiles, the feedback function provides real-time feedback to the driver or passengers after dimming, which helps improve dimming accuracy and enhances driving safety.

[0051] The present disclosure will now be described through specific embodiments. To keep the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and components may be omitted. When any component of an embodiment of the present disclosure appears in more than one drawing, the component may be represented by the same reference numerals in each drawing.

[0052] Figure 1 Flowchart of the brightness adjustment method provided in the embodiments of this disclosure Figure 1 . Figure 2 Flowchart of the brightness adjustment method provided in the embodiments of this disclosure Figure 2 . Figure 3 Flowchart of the brightness adjustment method provided in the embodiments of this disclosure Figure 3 .

[0053] like Figure 1 As shown in the embodiments of this disclosure, the brightness adjustment method for dimming glass includes:

[0054] Step S100: Obtain the first transmittance of the dimming glass, where the first transmittance is the target transmittance.

[0055] Step S200: Based on the first light transmittance, send a brightness adjustment control signal to the dimming glass;

[0056] Step S300: Obtain the second transmittance of the adjusted dimming glass; and

[0057] Step S400: Compare the first transmittance and the second transmittance, and output a brightness adjustment feedback signal based on the comparison result.

[0058] In this embodiment, the dimming glass can be used in vehicles such as automobiles or airplanes. When used as a car window, it includes, but is not limited to, windshields, side windows, rear windows, sunroofs, and triangular windows. The dimming glass can switch between transparent and opaque (frosted or matte) states, typically achieved by applying voltage to control the arrangement of internal liquid crystal molecules. The transmittance of the dimming glass refers to the ratio between the intensity of light passing through the glass and the original incident light intensity. By acquiring the transmittance of the dimming glass before and after brightness adjustment and outputting a brightness adjustment feedback signal, the feedback function of the dimming glass can be realized, thereby facilitating the time-limited self-calibration of brightness.

[0059] For example, such as Figure 2 As shown, step S400 above may further include:

[0060] Step S401: Determine the difference between the first transmittance and the second transmittance;

[0061] Step S402: Set a transmittance difference threshold and compare the transmittance difference threshold with the difference value; and

[0062] Step S403: In response to the difference being less than or equal to the transmittance difference threshold, a first feedback signal is issued; or, in response to the difference being greater than the transmittance difference threshold, a second feedback signal is issued, wherein the first feedback signal is different from the second feedback signal.

[0063] For example, in some embodiments, a first transmittance of TR1 and a second transmittance of TR2 can be set, and the difference between them can be determined as T = TR1 - TR2. A transmittance difference threshold of T0 can be set. Then, by judging the relationship between T and T0, the type of feedback signal for the next step can be determined. For example, if T ≤ T0, it indicates that the difference between the second transmittance and the target transmittance is small, and the brightness adjustment is successful, so a "brightness adjustment successful" feedback signal can be issued. If T > T0, it indicates that the difference between the second transmittance and the target transmittance is large, and the brightness adjustment fails, so a "brightness adjustment failed" feedback signal can be issued. Through the above steps, a more accurate feedback signal can be provided.

[0064] In this embodiment of the disclosure, the first light transmittance of the dimming glass can be preset. For example, multiple preset light transmittance levels of the dimming glass can be set according to the habits of the driver or passengers. For example, corresponding to the dimming glass from the brightest (i.e., completely transparent) to the darkest (i.e., opaque), n brightness levels can be preset, from level 1, level 2, level 3... up to level n (where n is a positive integer greater than or equal to 2). For example, the preset first light transmittance can be invoked according to the user's request for the brightness level of the dimming glass (i.e., brightness adjustment control request).

[0065] For example, in some embodiments, before step S100, the brightness adjustment method further includes: sending a brightness adjustment control request to the dimming glass. In one example, the brightness adjustment method includes the following two steps instead of step S100: Step S101: Sending a brightness adjustment control request to the dimming glass; Step S102: In response to the brightness adjustment control request, obtaining a pre-set first light transmittance of the dimming glass. The brightness adjustment control request can be sent via an in-vehicle application, etc.

[0066] In this embodiment of the disclosure, there are various ways to obtain the second transmittance of the dimming glass, including but not limited to CCD (Charge-Coupled Device) image sensors, CMOS (Complementary Metal-Oxide-Semiconductor) image sensors, and optical sensors such as photodiodes. The following explanation uses a photodiode as an example of an optical sensor.

[0067] Figure 4 This is a schematic diagram of the structure of the optical sensor provided in an embodiment of this disclosure; Figure 5 This is a cross-sectional schematic diagram of the optical sensor provided in an embodiment of this disclosure.

[0068] For example, such as Figure 4 As shown, the dimming glass 10 includes a first side S1 and a second side S2 that are opposite to each other in their thickness direction (e.g., the z-direction shown in the figure). Incident light illuminates the dimming glass 10 substantially along a direction from the first side S1 to the second side S2 (e.g., the z-direction shown in the figure). In this case, referring to... Figure 3 The above step S300 may further include:

[0069] Step S301: Detect the intensity of the first light LS1 incident light illuminating the first side S1;

[0070] Step S302: Detect the intensity of the second light LS2 incident on the second side S2, which passes through the dimming glass 10 and illuminates the second side S2; and

[0071] Step S303: Determine the second transmittance based on the first light intensity and the second light intensity.

[0072] For example, the first light sensor is a first photodiode 41, and the second light sensor is a second photodiode 42. Both are connected to the vehicle frame structure and are used to detect the first light intensity and the second light intensity, respectively. The first side S1 is the outer side of the dimming glass 10 (e.g., outside the vehicle window), where the first photodiode 41 is located; the second side S2 is the inner side of the dimming glass 10 (e.g., inside the vehicle window), where the second photodiode 42 is located. A space is left between the first photodiode 41 and the second photodiode 42 to allow the vehicle window glass to move up and down.

[0073] For example, the first light-passing aperture 43 is used to accommodate the first photodiode 41 and guide the incident light LS1 to the first photodiode 41. The second light-passing aperture 44 is used to accommodate the second photodiode 42 and guide the incident light LS2 to the second photodiode 42. With the above arrangement, the incident light to be detected can be better focused into the corresponding optical sensor.

[0074] For example, the opening directions of the first light-passing aperture 43 and the second light-passing aperture 44 are parallel and their aperture diameters are the same, which is used to limit the direction and luminous flux of light, thereby avoiding interference from light from other directions. Thus, the light intensity of the ambient light (i.e., the first light intensity) can be detected through the first light-passing aperture 43 and the first photodiode 41, and the light intensity of the ambient light after passing through the dimming glass 10 can be detected through the second light-passing aperture 44 and the second photodiode 42. The light transmittance of the dimming glass at this time (i.e., the second light transmittance) can be calculated from the light intensity detected by the inner and outer photodiodes.

[0075] In this embodiment, the first photodiode 41 and the second photodiode 42 generate a current proportional to the amount of light illuminating the active area. A transimpedance amplifier can be used to convert the photodiode current into an output voltage. The intensity of light illuminating the photodiode can be measured by measuring this voltage; this voltage detection is a conventional circuit design and will not be elaborated upon here.

[0076] In this embodiment of the disclosure, the dimming glass may be a zone-controlled dimming glass, that is, the zone-controlled dimming glass may include horizontal zones, vertical zones, or block zones, thereby adjusting the brightness of the dimming glass in zones.

[0077] In some embodiments, the dimming glass 10 includes a plurality of dimming sub-regions arranged in a direction parallel to the plane in which the dimming glass 10 is located. Figure 6A This is a schematic diagram of the structure of the zoned dimming glass provided in an embodiment of this disclosure; Figure 6B A cross-sectional schematic diagram of the optical sensor provided in an embodiment of this disclosure; Figure 7 This is a schematic diagram of the structure of a zoned dimming glass provided in another embodiment of this disclosure. Figure 6A As shown, for example, the dimming glass 10 includes a plurality of dimming sub-regions 10a arranged along the x-direction. Figure 7 As shown, for example, the dimming glass 10 includes a plurality of dimming sub-regions 10b arranged along the y-direction. Each dimming sub-region 10a or 10b is respectively provided with a first photodiode 41 and a second photodiode 42.

[0078] Figure 8 Flowchart of a brightness adjustment method provided in another embodiment of this disclosure Figure 1For example, a dimming glass includes at least one dimming sub-region, and another dimming glass brightness adjustment method provided in this disclosure embodiment includes:

[0079] Step S100': Obtain the transmittance of the first sub-region of the dimming sub-region;

[0080] Step S200': Based on the transmittance of the first sub-region, send a sub-region brightness adjustment control signal to the dimming sub-region;

[0081] Step S300': Obtain the transmittance of the second sub-region of the adjusted dimming sub-region; and

[0082] Step S400': Compare the transmittance of the first sub-region and the transmittance of the second sub-region, and output the sub-region brightness adjustment feedback signal based on the comparison result.

[0083] By using the above brightness adjustment methods, not only can the dimming glass be dimmed in different zones, but feedback results of the dimming zones can also be obtained, thereby improving the brightness adjustment accuracy of the dimming sub-zones.

[0084] For example, such as Figure 6A As shown, when the dimming glass 10 includes a plurality of dimming sub-regions 10a, the above-mentioned brightness adjustment method includes:

[0085] Step S100”: Obtain the transmittance of multiple first sub-regions of multiple dimming sub-regions 10a;

[0086] Step S200”: Based on the transmittance of each first sub-region, send multiple sub-region brightness adjustment control signals to multiple dimming sub-regions 10a respectively;

[0087] Step S300”: Obtain the transmittance of the second sub-region of each adjusted photodiode 10a;

[0088] Step S400”: Compare the transmittance of the first sub-region and the transmittance of the second sub-region of each dimming sub-region 10a, and output the sub-region brightness adjustment feedback signal based on the comparison result.

[0089] It should be noted that the brightness adjustment process for multiple dimming sub-regions 10a can be executed either synchronously or sequentially, and this embodiment does not limit this. When synchronous execution is used, the dimming efficiency of the dimming glass can be improved.

[0090] For example, the transmittance of the first sub-region of each dimming sub-region 10a can be preset. The transmittance of the multiple first sub-regions corresponding to multiple dimming sub-regions 10a can be the same or different; when the transmittance of multiple first sub-regions is the same, dimming glass with uniform brightness can be formed; when the transmittance of multiple first sub-regions is different, more application scenarios can be met (for example, progressive brightness can be formed).

[0091] In some embodiments, the transmittance of the plurality of first sub-regions is set to increase or decrease along the arrangement direction of the plurality of dimming sub-regions. For example, as Figure 6A As shown, the plurality of photodiode sub-regions 10a include a first photodiode sub-region 101, a second photodiode sub-region 102, a third photodiode sub-region 103, a fourth photodiode sub-region 104, a fifth photodiode sub-region 105, and a sixth photodiode sub-region 106 arranged along the x-direction. The transmittances of the six first sub-regions corresponding to these six photodiodes are NR1, NR2, NR3, NR4, NR5, and NR6, respectively. For example, the transmittances of these six first sub-regions satisfy the following relationship:

[0092] NR1>NR2>NR3>NR4>NR5>NR6, or,

[0093] NR1 <NR2<NR3<NR4<NR5<NR6。

[0094] With the above settings, the brightness can be gradually increased or decreased using zone dimming to meet various usage needs.

[0095] For example, in some embodiments, before step S100', the brightness adjustment method further includes: issuing a brightness adjustment control request to the dimming sub-region. In one example, the brightness adjustment method includes the following two steps instead of step S100': Step S101': issuing a brightness adjustment control request to the dimming sub-region; Step S102': in response to the brightness adjustment control request, obtaining the transmittance of a first sub-region of the dimming sub-region that has been preset. The brightness adjustment control request can be issued through an in-vehicle application, etc.

[0096] In this embodiment, there are various ways to obtain the transmittance of the second sub-region of the dimming sub-region, including but not limited to CCD (Charge-Coupled Device) image sensors, CMOS (Complementary Metal-Oxide-Semiconductor) image sensors, and optical sensors such as photodiodes. The following explanation uses a photodiode as an example of an optical sensor.

[0097] For example, such as Figure 6B As shown, the photodiode region 10a includes a first photodiode region side D1 and a second photodiode region side D2 that are opposite to each other in their thickness direction (e.g., the z-direction shown in the figure). The incident light LS1 irradiates the photodiode region 10a substantially along a direction from the first photodiode region side D1 to the second photodiode region side D2 (e.g., the z-direction shown in the figure). In this case, refer to... Figure 9 , Figure 9 Flowchart of a brightness adjustment method provided in another embodiment of this disclosure Figure 2 The above step S300' may further include:

[0098] Step S301': Detect the light intensity of the first sub-region of the incident light LS1 illuminating the first side D1 of the dimming sub-region;

[0099] Step S302': Detect the light intensity of the second sub-region that passes through the dimming sub-region 10a and illuminates the second side D2 of the dimming sub-region; and

[0100] Step S303': Determine the transmittance of the second sub-region based on the light intensity of the first sub-region and the light intensity of the second sub-region.

[0101] Figure 10 This is a structural block diagram of a brightness adjustment system for vehicle-mounted dimming glass provided in an embodiment of this disclosure. Figure 11 A flowchart illustrating the operation of a brightness adjustment system for automotive dimming glass provided in an embodiment of this disclosure.

[0102] like Figure 10 As shown, for example, the brightness adjustment system for automotive dimming glass provided in this embodiment includes: dimming glass 10, ECU (Electronic Control Unit) electronic control device 20 (i.e., electronic control device), OBD (On-Board Diagnostics) vehicle diagnostic device 30 (i.e., vehicle diagnostic device), light sensor device 40 (i.e., detection device), and central control display 50 (i.e., display device). The working process of the brightness dimming system for automotive dimming glass is described in detail below.

[0103] For example, the ECU electronic control unit 20 may be configured to: acquire a first transmittance of the dimming glass 10, and send a brightness adjustment control signal to the dimming glass 10 based on the first transmittance, wherein the first transmittance is the target transmittance.

[0104] For example, after a period of time t following the ECU electronic control unit 20 sending the aforementioned signal to the dimming glass 10, the brightness of the dimming glass is detected using the light sensor device 40. See also Figures 4 to 5 The light sensor device 40 includes a first photodiode 41 and a second photodiode 42. The first photodiode 41 is disposed on a first side S1 of the dimming glass 10 and configured to detect a first light intensity of incident light LS1 illuminating the first side S1. The second photodiode 42 is disposed on a second side S2 and configured to detect a second light intensity of incident light LS2 that passes through the dimming glass 10 and illuminates the second side S2. The light sensor device 40 transmits the first light intensity and the second light intensity to the OBD on-board diagnostic device 30.

[0105] For example, the OBD on-board diagnostic device 30 may be configured to: acquire a second transmittance of the adjusted dimming glass 10; compare a first transmittance and a second transmittance; and output a brightness adjustment feedback signal to the ECU electronic control unit 20 based on the comparison result. Further, for example, the OBD on-board diagnostic device 30 may be configured to: determine a second transmittance based on a received first light intensity and a second light intensity. Further, for example, the OBD on-board diagnostic device 30 may be configured to: determine a difference between the first transmittance and the second transmittance; set a transmittance difference threshold; and compare the transmittance difference threshold and the difference; and issue a first feedback signal in response to a difference less than or equal to the transmittance difference threshold; or, issue a second feedback signal in response to a difference greater than the transmittance difference threshold, wherein the first feedback signal is different from the second feedback signal. In some embodiments, if the difference is less than or equal to the transmittance difference threshold, a "brightness adjustment successful" feedback signal is issued; if the difference is greater than the transmittance difference threshold, a "brightness adjustment failed" feedback signal is issued.

[0106] With the above settings, the self-feedback function of the dimming glass can be realized through the OBD vehicle diagnostic device 30, so as to obtain the brightness adjustment feedback result in real time and decide whether to continue the dimming operation.

[0107] For example, such as Figure 4 As shown, the first photodiode 41 has a first orthographic projection on the dimming glass 10, and the second photodiode 42 has a second orthographic projection on the dimming glass 10. The first and second orthographic projections do not overlap in the z-direction of the dimming glass 10. This arrangement further avoids interference with their respective detection results due to mutual obstruction.

[0108] In this embodiment of the disclosure, the dimming glass may be a zone-controlled dimming glass, that is, the zone-controlled dimming glass may include horizontal zones, vertical zones, or block zones, thereby adjusting the brightness of the dimming glass in zones.

[0109] For example, such as Figure 6A As shown, the dimming glass 10 includes multiple dimming sub-regions 10a. At this time, the ECU electronic control device is also configured to: acquire the light transmittance of a first sub-region of the dimming sub-region 10a, and send a sub-region brightness adjustment control signal to the dimming sub-region 10a according to the light transmittance of the first sub-region, wherein the light transmittance of the first sub-region is the target light transmittance of the sub-region.

[0110] For example, after a period of time t following the ECU electronic control unit 20 sending the aforementioned signal to the dimming sub-region 10a, the brightness of the dimming sub-region 10a is detected using the light sensor device 40. See [link to relevant documentation] Figure 6B and Figure 9The photodiode region 10a includes a first side D1 and a second side D2 of the photodiode region that are opposite to each other in the z direction. The incident light LS1 irradiates the photodiode glass 10 in a direction that is substantially from the first side D1 of the photodiode region to the second side D2 of the photodiode region.

[0111] For example, such as Figure 6A As shown, the brightness adjustment system includes a light sensor device 40, with multiple light sensor devices 40 and multiple dimming sub-regions 10a arranged in a one-to-one correspondence. Each detection device 40 includes a first photodiode 41 and a second photodiode 42. The first photodiode 41 is disposed on the first side D1 of the dimming sub-region and configured to detect the illumination intensity of the first sub-region of incident light LS1 illuminating the first side D1 of the dimming sub-region. The second photodiode 42 is disposed on the second side D2 of the dimming sub-region and configured to detect the illumination intensity of the second sub-region of incident light that passes through the dimming sub-region 10a and illuminates the second side D2 of the dimming sub-region. The light sensor devices 40 transmit the first and second sub-region light intensities to the OBD on-board diagnostic device 30.

[0112] For example, the OBD on-board diagnostic device 30 is further configured to: acquire the transmittance of a second sub-region of the adjusted dimming sub-region, compare the transmittance of a first sub-region and the transmittance of a second sub-region, and output a sub-region brightness adjustment feedback signal to an electronic control device based on the comparison result. Further, for example, the OBD on-board diagnostic device 30 may be configured to: determine the transmittance of the second sub-region based on the received light intensity of the first sub-region and the light intensity of the second sub-region. Further, for example, the OBD on-board diagnostic device 30 may be configured to: determine the difference between the transmittance of the first sub-region and the transmittance of the second sub-region; set a sub-region transmittance difference threshold, and compare the sub-region transmittance difference threshold and the difference; and issue a first feedback signal in response to the difference being less than or equal to the sub-region transmittance difference threshold; or, issue a second feedback signal in response to the difference being greater than the sub-region transmittance difference threshold, wherein the first feedback signal is different from the second feedback signal. In some embodiments, if the difference is less than or equal to the sub-region transmittance difference threshold, a "sub-region brightness adjustment successful" feedback signal is issued; if the difference is greater than the sub-region transmittance difference threshold, a "sub-region brightness adjustment failed" feedback signal is issued.

[0113] For example, the electronic control device is further configured to: acquire the transmittance of multiple first sub-regions of multiple dimming sub-regions 10a, and, based on the transmittance of each first sub-region, send multiple sub-region brightness adjustment control signals to the multiple dimming sub-regions respectively. The OBD on-board diagnostic device 30 is further configured to: acquire the transmittance of the second sub-region of each dimming sub-region 10a after adjustment, compare the transmittance of the first sub-region and the transmittance of the second sub-region of each dimming sub-region, and, based on the comparison result, output a sub-region brightness adjustment feedback signal to the electronic control device.

[0114] With the above settings, the OBD on-board diagnostic device 30 can realize the self-feedback function of each dimming sub-zone in the dimming glass, thereby obtaining the brightness adjustment feedback result in real time and deciding whether to continue the dimming operation.

[0115] For example, the OBD on-board diagnostic device 30 is also configured to output a brightness adjustment feedback signal to the central control display 50, which is configured to convert the brightness adjustment feedback signal into a display signal. This allows the driver or user to quickly receive the feedback signal, facilitating further adjustment of the glass brightness.

[0116] It should be noted that the above embodiments are only illustrated using the light sensor device 40 as an example. It is understood that in other embodiments of this disclosure, other detection devices such as CCD image sensors or CMOS image sensors can also be used. Any device or instrument that can detect the light transmittance of the dimming glass can be used in the embodiments of this disclosure.

[0117] According to yet another embodiment of this disclosure, an electronic device is also provided, including: a processor and a memory communicatively connected to the processor, the memory storing computer-executable instructions; wherein the processor executes the computer-executable instructions stored in the memory to implement the brightness adjustment method described in any of the preceding embodiments.

[0118] In this disclosure, the electronic device may include, but is not limited to, mobile terminals such as mobile phones, laptops, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), vehicle terminals, wearable electronic devices, etc., as well as fixed terminals such as digital TVs, desktop computers, etc.

[0119] Figure 12 This is a flowchart illustrating the process of adjusting the brightness of an in-vehicle electronic device provided in an embodiment of this disclosure. For example, the in-vehicle electronic device includes a dimming glass 10, a light sensor device 40, an in-vehicle application 60, an in-vehicle processor 70, a dimming glass controller 80, and an in-vehicle memory (not shown).

[0120] The vehicle application 60 issues a dimming glass control request. In response to the dimming glass control request, the vehicle processor 70 obtains the first transmittance of the dimming glass (i.e., the target transmittance) and sends the first transmittance control request to the dimming glass controller 80.

[0121] The dimming glass controller 80 converts the first transmittance control request into a dimming voltage and outputs it to the dimming glass 10. In some embodiments, the first transmittance control request is a brightness level signal. For example, the first transmittance may include n brightness levels, where n is a positive integer greater than or equal to 2. The first level corresponds to the brightest (i.e., completely transparent) dimming glass, and the nth level corresponds to the darkest (i.e., opaque) dimming glass; the reverse is also possible. The n brightness levels correspond to n dimming voltages. When the corresponding brightness level is selected, the dimming glass controller 80 can convert that brightness level into the corresponding dimming voltage.

[0122] In response to the received dimming voltage, the dimming glass 10 changes its light transmittance. The vehicle processor 70 sends a request to the light sensor device 40 to acquire light sensor data. In response to the light sensor data request, the light sensor device 40 acquires a first light intensity and a second light intensity of the dimming glass, and returns the first light intensity and the second light intensity to the vehicle processor 70. For details on acquiring the first light intensity and the second light intensity, please refer to the description of the previous embodiments, which will not be repeated here.

[0123] Next, the vehicle processor 70 determines the second transmittance of the adjusted dimming glass 10 based on the received first and second light intensities, and further determines whether the difference between the second and first transmittance is less than or equal to a transmittance difference threshold. Based on this determination, a feedback signal is sent to the vehicle application 60. For example, if the difference is less than or equal to the transmittance difference threshold, a "brightness adjustment successful" feedback signal is sent; if the difference is greater than the transmittance difference threshold, a "brightness adjustment failed" feedback signal is sent.

[0124] In the vehicle-mounted electronic device provided in the above-described embodiments of the present disclosure, the brightness of the dimming glass is first adjusted based on the target transmittance (i.e., the first transmittance). Then, the second transmittance of the adjusted dimming glass is obtained, and a brightness adjustment feedback signal is output based on the comparison result of the first transmittance and the second transmittance, thereby realizing the feedback function of brightness adjustment of the dimming glass.

[0125] According to yet another embodiment of this disclosure, a computer-readable storage medium is also provided, which stores computer-executable instructions that, when executed by a processor, implement the brightness adjustment method described in any of the preceding embodiments.

[0126] The following points should be noted in this article:

[0127] (1) The accompanying drawings of the embodiments of this disclosure only involve the structures involved in the embodiments of this disclosure. Other structures can be referred to the general design.

[0128] (2) Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0129] (3) The above description is merely an exemplary embodiment of this disclosure and is not intended to limit the scope of protection of this disclosure. The scope of protection of this disclosure is determined by the appended claims.

Claims

1. A method for adjusting the brightness of a smart glass, comprising: Send a brightness adjustment control signal to the dimming glass; Obtain the adjusted light transmittance of the dimming glass; as well as Based on the adjusted transmittance, a brightness adjustment feedback signal is output.

2. The brightness adjustment method according to claim 1, wherein, The brightness adjustment method includes: Obtain the first light transmittance of the dimming glass, where the first light transmittance is the target light transmittance; Based on the first light transmittance, a brightness adjustment control signal is sent to the dimming glass; Obtain the second transmittance of the adjusted dimming glass, wherein the second transmittance is the adjusted transmittance; and The first transmittance and the second transmittance are compared, and a brightness adjustment feedback signal is output based on the comparison result.

3. The brightness adjustment method according to claim 2, wherein, The step of comparing the first transmittance and the second transmittance and outputting a brightness adjustment feedback signal based on the comparison result includes: Determine the difference between the first transmittance and the second transmittance; Set a transmittance difference threshold, and compare the transmittance difference threshold with the difference; and In response to the difference being less than or equal to the transmittance difference threshold, a first feedback signal is issued; or, in response to the difference being greater than the transmittance difference threshold, a second feedback signal is issued, wherein the first feedback signal is different from the second feedback signal.

4. The brightness adjustment method according to claim 2, in, The dimming glass includes a first side and a second side that are opposite to each other in its thickness direction, and incident light illuminates the dimming glass substantially in a direction from the first side to the second side; The step of obtaining the second transmittance of the adjusted dimming glass includes: Detect the intensity of the first light incident on the first side; Detect the second light intensity of the incident light that passes through the dimming glass and illuminates the second side; and The second transmittance is determined based on the first light intensity and the second light intensity.

5. The brightness adjustment method according to claim 2, wherein, The brightness adjustment method further includes: Send a brightness adjustment control request to the dimming glass; In response to the brightness adjustment control request, the first transmittance of the dimming glass, which has been preset, is obtained.

6. The brightness adjustment method according to claim 1, wherein, The dimming glass includes at least one dimming sub-region, and the brightness adjustment method includes: Send a sub-region brightness adjustment control signal to the dimming sub-region; Obtain the light transmittance of the adjusted sub-region after dimming; and Based on the adjusted light transmittance of the sub-region, a sub-region brightness adjustment feedback signal is output.

7. The brightness adjustment method according to claim 6, wherein, The brightness adjustment method includes: Obtain the light transmittance of the first sub-region of the dimming sub-region, where the light transmittance of the first sub-region is the light transmittance of the target sub-region; Based on the light transmittance of the first sub-region, a sub-region brightness adjustment control signal is sent to the dimming sub-region; Obtain the transmittance of the second sub-region of the adjusted dimming sub-region, where the transmittance of the second sub-region is the adjusted sub-transmittance; and The transmittance of the first sub-region and the transmittance of the second sub-region are compared, and a sub-region brightness adjustment feedback signal is output based on the comparison result.

8. The brightness adjustment method according to claim 6, wherein, The at least one dimming sub-region includes multiple dimming sub-regions, and the brightness adjustment method includes: Multiple sub-region brightness adjustment control signals are sent to the multiple dimming sub-regions respectively; Obtain the light transmittance of multiple adjusted sub-regions after adjustment; Based on the light transmittance of each adjusted sub-region, multiple sub-region brightness adjustment feedback signals are output.

9. The brightness adjustment method according to claim 8, wherein, The brightness adjustment method includes: Obtain the transmittance of multiple first sub-regions of the plurality of dimming sub-regions; Based on the transmittance of each first sub-region, multiple sub-region brightness adjustment control signals are sent to the multiple dimming sub-regions respectively; Obtain the transmittance of the second sub-region of each adjusted dimming sub-region, wherein the transmittance of the second sub-region is the transmittance of the adjusted sub-region; The transmittance of the first sub-region and the transmittance of the second sub-region of each dimming sub-region are compared, and based on the comparison results, multiple brightness adjustment feedback signals of the sub-regions are output.

10. The brightness adjustment method according to claim 9, wherein, The transmittance of the plurality of first sub-regions is set to increase or decrease along the arrangement direction of the plurality of dimming sub-regions.

11. The brightness adjustment method according to claim 7, wherein, The photodiode includes a first side and a second side of the photodiode that are opposite to each other in its thickness direction, and the incident light irradiates the photodiode substantially in a direction from the first side of the photodiode to the second side of the photodiode; The process of obtaining the transmittance of the second sub-region of the adjusted dimming sub-region includes: Detect the light intensity of the first sub-region of the incident light illuminating the first side of the dimming sub-region; Detect the light intensity of the second sub-region that passes through the dimming sub-region and illuminates the second side of the dimming sub-region; and The transmittance of the second sub-region is determined based on the light intensity of the first sub-region and the light intensity of the second sub-region.

12. A brightness adjustment system for vehicle dimming glass, comprising: An electronic control device is configured to send a brightness adjustment control signal to the dimming glass; The on-board diagnostic device is configured to: acquire the adjusted light transmittance of the adjusted dimming glass, and output a brightness adjustment feedback signal to the electronic control device based on the adjusted light transmittance.

13. The brightness adjustment system according to claim 12, wherein, The electronic control device is also configured to: acquire a first transmittance of the dimming glass, and, based on the first transmittance, send a brightness adjustment control signal to the dimming glass, wherein the first transmittance is a target transmittance; The on-board diagnostic device is also configured to: acquire a second transmittance of the adjusted dimming glass, compare the first transmittance and the second transmittance, and output a brightness adjustment feedback signal to the electronic control device based on the comparison result, wherein the second transmittance is the adjusted transmittance.

14. The brightness adjustment system according to claim 13, wherein, The on-board diagnostic device is also configured to: Determine the difference between the first transmittance and the second transmittance; Set a transmittance difference threshold, and compare the transmittance difference threshold with the difference; and In response to the difference being less than or equal to the transmittance difference threshold, a first feedback signal is issued; or, in response to the difference being greater than the transmittance difference threshold, a second feedback signal is issued, wherein the first feedback signal is different from the second feedback signal.

15. The brightness adjustment system according to claim 13, in, The dimming glass includes a first side and a second side that are opposite to each other in its thickness direction, and incident light illuminates the dimming glass substantially in a direction from the first side to the second side; The brightness adjustment system further includes a detection device, which comprises: A first light sensor is disposed on the first side and configured to detect a first light intensity of incident light illuminating the first side; A second light sensor is disposed on the second side and configured to detect the second light intensity of incident light that passes through the dimming glass and illuminates the second side.

16. The brightness adjustment system according to claim 15, wherein, The first light sensor has a first orthographic projection on the dimming glass, and the second light sensor has a second orthographic projection on the dimming glass. The first orthographic projection and the second orthographic projection do not overlap each other in the thickness direction of the dimming glass.

17. The brightness adjustment system according to claim 16, wherein, The first optical sensor and the second optical sensor each include a photodiode.

18. The brightness adjustment system according to claim 15, in, The detection device is configured to send the first light intensity and the second light intensity to the on-board diagnostic device; The on-board diagnostic device is configured to determine the second transmittance based on the first light intensity and the second light intensity.

19. The brightness adjustment system according to claim 13, wherein, The dimming glass includes multiple dimming sub-regions. The electronic control device is further configured to: acquire the light transmittance of a first sub-region of the dimming sub-region, and, based on the light transmittance of the first sub-region, send a sub-region brightness adjustment control signal to the dimming sub-region; The on-board diagnostic device is further configured to: acquire the transmittance of the second sub-region of the adjusted dimming sub-region, compare the transmittance of the first sub-region with the transmittance of the second sub-region, and output a sub-region brightness adjustment feedback signal to the electronic control device based on the comparison result.

20. The brightness adjustment system according to claim 19, in, The dimming sub-region includes a first dimming sub-region side and a second dimming sub-region side that are opposite to each other in the thickness direction, and the incident light irradiates the dimming glass substantially in a direction from the first dimming sub-region side to the second dimming sub-region side; The brightness adjustment system further includes: multiple detection devices, each of which is configured in a one-to-one correspondence with the multiple dimming sub-regions; each detection device includes: A first light sensor is disposed on the first side of the dimming sub-region and configured to detect the light intensity of the first sub-region of incident light illuminating the first side of the dimming sub-region. A second light sensor is disposed on the second side of the dimming sub-region and configured to detect the second sub-region light intensity of incident light that passes through the dimming sub-region and illuminates the second side of the dimming sub-region.

21. The brightness adjustment system according to claim 19, wherein, The electronic control device is further configured to: acquire the transmittance of a plurality of first sub-regions of the plurality of dimming sub-regions, and, based on the transmittance of each first sub-region, send a plurality of sub-region brightness adjustment control signals to the plurality of dimming sub-regions respectively; The on-board diagnostic device is also configured to: acquire the transmittance of the second sub-region of each dimming sub-region after adjustment, compare the transmittance of the first sub-region and the transmittance of the second sub-region of each dimming sub-region, and output a sub-region brightness adjustment feedback signal to the electronic control device based on the comparison result.

22. The brightness adjustment system according to any one of claims 13-21, wherein the brightness adjustment system further comprises: Vehicle display device, The on-board diagnostic device is further configured to output the brightness adjustment feedback signal to the on-board display device, and the on-board display device is configured to convert the brightness adjustment feedback signal into a display signal.

23. An electronic device, comprising: processor, and A memory communicatively connected to the processor, the memory storing computer-executed instructions; The processor executes computer execution instructions stored in the memory to implement the brightness adjustment method as described in any one of claims 1 to 12.

24. A computer-readable storage medium storing computer-executable instructions that, when executed by a processor, implement the brightness adjustment method as described in any one of claims 1 to 12.

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