CN110109247B - Backlight module, HUD and backlight module control method - Google Patents
Backlight module, HUD and backlight module control method Download PDFInfo
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- CN110109247B CN110109247B CN201910272750.7A CN201910272750A CN110109247B CN 110109247 B CN110109247 B CN 110109247B CN 201910272750 A CN201910272750 A CN 201910272750A CN 110109247 B CN110109247 B CN 110109247B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
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Abstract
The application discloses backlight module, HUD and backlight module control method. This backlight module includes luminous banks, separates the light board and separates the light board driver, separate the light board and be connected with separating the light board driver, it is a plurality of luminous banks constitutes the backlight array to predetermine some backlight and give out light according to following mode and show: the preset display area is adjusted by controlling the light-emitting lamp group; and/or adjusting the position of the light shielding plate by controlling the light shielding plate driving motor so as to adjust a preset display area. This application has solved the backlight module and can't satisfy the technical problem that the part shows HUD projection information. In addition, this application can be applicable to HUD's the scene that the image area needs different light and shade effects, especially can play the purpose that improves the display effect in night.
Description
Technical Field
The application relates to the HUD field, particularly, relates to a backlight module, HUD and backlight module control method.
Background
The HUD may be used to project basic information, driving information, or navigation information of the vehicle onto a front windshield of the vehicle.
The inventors have found that the backlight of a HUD can only control the full on or off of the backlight LEDs. It is not possible to satisfy the case where HUD information is partially displayed as necessary to reduce power consumption. Further, the demand for the case where the display area around the HUD screen needs to be closed as much as possible at night cannot be satisfied.
The problem that the backlight module can't satisfy the partial HUD projection information that shows among the correlation technique, has not proposed effectual solution at present.
Disclosure of Invention
The main object of this application is to provide a backlight module, HUD and backlight module control method to solve the problem that the backlight module can't satisfy the partial HUD projection information that shows.
In order to achieve the above object, according to one aspect of the present application, there is provided a backlight module.
The backlight module according to this application includes: luminous banks, separate light board and separate light board driver, separate the light board and be connected with separating light board driver, it is a plurality of luminous banks constitutes the backlight array to predetermine some backlight and give out light according to following mode and show: the preset display area is adjusted by controlling the light-emitting lamp group; and/or adjusting the position of the light shielding plate by controlling the light shielding plate driving motor so as to adjust a preset display area.
Further, the backlight module further comprises: and the display screen module is used for adjusting the preset display area by controlling the display screen module.
Further, the backlight module further comprises: the backlight support is provided with a backlight array formed by a plurality of light-emitting lamp groups.
Further, the adjusting the preset display area by controlling the light emitting lamp set includes: determining a preset display area; if the preset display area comprises different areas, simultaneously controlling a plurality of light-emitting diodes in different areas in the light-emitting lamp group to be lightened; and if the preset display area comprises the designated area, independently controlling the light-emitting diodes in the designated area in the light-emitting lamp group to light.
Further, adjusting the position of the light blocking plate by controlling the light blocking plate driving motor to adjust the display area comprises: determining the position and the shape of the preset display area; controlling the light-shielding plate driving motor to adjust the light-shielding plate to a preset position according to the position of the preset display area; and adjusting the shape of the light-shielding plate according to the shape of the preset display area.
Further, through control the display screen module is used for adjusting the display area and includes: determining a preset display area; and controlling the display screen module to adjust the area through which light can pass according to the preset display area.
Furthermore, the light-isolating plate comprises at least one layer, and a light-transmitting part is arranged on the light-isolating plate.
To achieve the above object, according to another aspect of the present application, there is provided a HUD.
The HUD according to the present application comprises: display module assembly, back light module, first reflector, second reflector, light sends from the back light module assembly, passes display module assembly, through first reflector, second reflector reflection back, projects on windshield to the formation of image is regional at the eye box, the back light module includes: luminous banks, light shield and light shield driver, the light shield is connected with the light shield driver, and is a plurality of the backlight array is constituteed to luminous banks, through display module assembly or the backlight module, can adjust the HUD carries out the luminous display of part.
Furthermore, the backlight module is also used for controlling the light-emitting lamp set to adjust a preset display area; and/or controlling the light-shielding plate driving motor to adjust the position of the light-shielding plate so as to adjust a preset display area; and/or, the preset display area is adjusted by controlling the display screen module.
In order to achieve the above object, according to still another aspect of the present application, there is provided a backlight module control method for a HUD, the method including: the preset display area is adjusted by controlling the light-emitting lamp group; and/or adjusting the position of the light-shielding plate by controlling the light-shielding plate driving motor so as to adjust a preset display area; and/or, the preset display area is adjusted by controlling the display screen module.
In this application embodiment backlight module, HUD and backlight module control method, adopt the mode of luminous banks, light baffle board and light baffle board driver, through light baffle board is connected with light baffle board driver, and is a plurality of the backlight array is constituteed to luminous banks, has reached through control luminous banks for the adjustment is predetermine display area and/or through control light baffle board driving motor adjusts the position of light baffle board is used for adjusting the purpose of predetermineeing display area, thereby has realized the partial regulation and control of backlight module and has shown technical effect, and then has solved the backlight module and can't satisfy the technical problem that part shows HUD projection information.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present application;
FIG. 2 is a backlight module according to an embodiment of the present application;
FIG. 3 is a backlight module according to an embodiment of the present application;
fig. 4 is a schematic view illustrating a regulation and control method of a backlight module according to an embodiment of the present application;
fig. 5 is a schematic view of a backlight module according to another embodiment of the present application;
FIG. 6 is a schematic view of a backlight module according to yet another embodiment of the present application;
FIG. 7 is a schematic flow chart of a control method according to an embodiment of the application;
FIG. 8 is a schematic flow chart of a control method according to an embodiment of the application;
FIG. 9 is a schematic flow chart of a control method according to an embodiment of the application;
fig. 10 is a schematic view of the optical path structure of a HUD according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the backlight module in the embodiment of the present application includes: the backlight display device comprises light-emitting lamp groups 100, light-insulating plates 200 and light-insulating plate drivers 300, wherein the light-insulating plates 200 are connected with the light-insulating plate drivers 300, a plurality of light-emitting lamp groups 100 form a backlight array, and preset partial backlight light-emitting display is carried out according to the following modes: the preset display area is adjusted by controlling the light emitting lamp set 100; and adjusting the position of the light blocking plate 200 by controlling the light blocking plate driving motor 300 to adjust a preset display area. In the above embodiment, the light emitting lamp set 100 may include a plurality of light emitting lamp sets 100, and the plurality of light emitting lamp sets 100 may constitute a backlight array. The position, size, and thickness of the light-shielding plate 200 are not particularly limited in the embodiments of the present application, as long as the requirement of light shielding can be satisfied. The light shielding plate driver 300 is configured to drive the light shielding plate 200 to move according to a predetermined direction and position. When the preset part of the backlight is lighted and displayed, the preset display area can be independently adjusted by controlling the light-emitting lamp group 100. Meanwhile, the position of the light shielding plate 200 is adjusted by cooperating with the light shielding plate driving motor 300, so that the preset display area can be adjusted.
The backlight module in this application embodiment includes: the backlight display device comprises light-emitting lamp groups 100, light-insulating plates 200 and light-insulating plate drivers 300, wherein the light-insulating plates 200 are connected with the light-insulating plate drivers 300, a plurality of light-emitting lamp groups 100 form a backlight array, and preset partial backlight light-emitting display is carried out according to the following modes: the preset display area is adjusted by controlling the light emitting lamp set 100; alternatively, the position of the light shielding plate 200 is adjusted by controlling the light shielding plate driving motor 300 to adjust the predetermined display area. In the above embodiment, the light emitting lamp set 100 may include a plurality of light emitting lamp sets 100, and the plurality of light emitting lamp sets 100 may constitute a backlight array. The position, size, and thickness of the light-shielding plate 200 are not particularly limited in the embodiments of the present application, as long as the requirement of light shielding can be satisfied. The light shielding plate driver 300 is configured to drive the light shielding plate 200 to move according to a predetermined direction and position. When the preset part of the backlight is lighted and displayed, the preset display area can be independently adjusted by controlling the light-emitting lamp group 100. Or, the preset display area may be individually adjusted by adjusting the position of the light shielding plate 200 in cooperation with the light shielding plate driving motor 300.
From the above description, it can be seen that the following technical effects are achieved by the present application:
in this application embodiment backlight module, HUD and backlight module control method, adopt the mode of luminous banks, light baffle board and light baffle board driver, through light baffle board is connected with light baffle board driver, and is a plurality of the backlight array is constituteed to luminous banks, has reached through control luminous banks for the adjustment is predetermine display area and/or through control light baffle board driving motor adjusts the position of light baffle board is used for adjusting the purpose of predetermineeing display area, thereby has realized the partial regulation and control of backlight module and has shown technical effect, and then has solved the backlight module and can't satisfy the technical problem that part shows HUD projection information.
According to the embodiment of the present application, as shown in fig. 1, the preferable embodiment further includes: and the display screen module is used for adjusting the preset display area by controlling the display screen module. The area whether the light can be allowed to pass is adjusted through a switch of a display liquid crystal screen in the display screen module, so that the display area is adjusted.
According to the embodiment of the present application, as shown in fig. 2, it is preferable that: the backlight module comprises a backlight bracket 121, wherein a backlight array consisting of a plurality of light-emitting lamp groups 100 is arranged on the backlight bracket 121.
Specifically, as a preferred example in this embodiment, the light emitting lamp set 100 is an LED lamp set, and the light shielding plate driver 300 is a driving motor.
As shown in fig. 2, the backlight module 12 in the embodiment of the present application includes: backlight support 121, LED banks 122, separate light board 123, separate light board driving motor 124, through the position to LED banks 122 and separate light board 123, can adjust the luminous region of backlight and luminous luminance level to realize in same backlight module, different regions can show different luminance. And then back on backlight unit uses HUD, can realize HUD's the regional different light and shade effects of formation of image, especially improve the purpose of the display effect in night. Preferably, the display module 11 can adjust the irradiation area of the LED lamp set 122, the light shielding plate 123 and the light shielding plate driving motor 124, so as to better achieve the purpose of HUD partial lighting display.
Preferably, the light shielding plate 123 includes at least one layer, and a light transmitting portion is formed on the light shielding plate 123. In particular, the light-shielding sheet may exhibit an arbitrary shape, multiple layers. The light-shielding plate can be provided with holes or grids and other appearances. In the embodiment of the present application, the specific number of layers, structure or shape of the light-shielding plate 123 is not limited as long as the conditions of the light-shielding plate can be satisfied.
According to the embodiment of the present application, as a preferred embodiment in the present application, as shown in fig. 7, the adjusting the preset display area by controlling the light emitting lamp set includes:
step S102, determining a preset display area;
step S104, if the preset display area comprises different areas, simultaneously controlling a plurality of light-emitting diodes in the different areas in the light-emitting lamp group to be lightened;
and step S106, if the preset display area comprises the designated area, independently controlling the light-emitting diodes in the designated area in the light-emitting lamp group to be lightened.
Specifically, through the LED lamp group 122, the control method of the LED lamp group 122 may be to control a plurality of lamps simultaneously, or to control the switch and the brightness individually so as to adjust the display area. The position of the light shielding plate 123 is adjusted by the light shielding plate driving motor 124, thereby adjusting the display area. The light shielding plate 123 may have any shape, multiple layers, and various appearances such as holes or grids may be formed thereon. The backlight module in the embodiment of the present application is composed of a backlight bracket 121, an LED lamp group 122, a light-shielding plate 123 and a light-shielding plate driving motor 124.
When the backlight module is operated to adjust, the light-emitting area and the brightness level of the backlight can be adjusted by controlling the brightness of the LED lamp set 122; through the adjustment of light baffle driving motor 124 to the position of light baffle 123 to the demonstration of adjustment backlight is realized in same backlight module, and different luminance can be shown in different regions.
According to the embodiment of the present application, as shown in fig. 8, the adjusting the position of the light shielding plate by controlling the light shielding plate driving motor to adjust the display area preferably includes:
step S202, determining the position and the shape of the preset display area;
step S204, controlling the light-shielding plate driving motor to adjust the light-shielding plate to a preset position according to the position of the preset display area;
step S206, adjusting the shape of the light-shielding plate according to the shape of the preset display area.
Specifically, with the method in the above embodiment, the light shielding plate driving motor 124 adjusts the position adjustment display of the light shielding plate 123. The position of the light shielding plate 123 is adjusted by the light shielding plate driving motor 124, thereby adjusting the display area. The light shielding plate 123 may have any shape, multiple layers, and various appearances such as holes or grids may be formed thereon. The backlight module in the embodiment of the present application is composed of a backlight bracket 121, an LED lamp group 122, a light-shielding plate 123 and a light-shielding plate driving motor 124.
When the backlight module is operated to adjust, the light-emitting area and the brightness level of the backlight can be adjusted by controlling the brightness of the LED lamp set 122; through the adjustment of light baffle driving motor 124 to the position of light baffle 123 to the demonstration of adjustment backlight is realized in same backlight module, and different luminance can be shown in different regions.
According to the embodiment of the present application, as shown in fig. 9, as a preferred option in the embodiment, the adjusting the display area by controlling the display screen module includes:
step S302, determining a preset display area;
step S304, controlling the display screen module to adjust the area through which light can pass according to the preset display area.
Specifically, by adopting the method in the above embodiment, the display module 11 can adjust the irradiation areas of the LED lamp group 122, the light-shielding plate 123 and the light-shielding plate driving motor 124, so as to better achieve the purpose of HUD partial lighting display.
The position of the light shielding plate 123 is adjusted by the light shielding plate driving motor 124, thereby adjusting the display area. The light shielding plate 123 may have any shape, multiple layers, and various appearances such as holes or grids may be formed thereon. The backlight module in the embodiment of the present application is composed of a backlight bracket 121, an LED lamp group 122, a light-shielding plate 123 and a light-shielding plate driving motor 124.
When the backlight module is operated to adjust, the light-emitting area and the brightness level of the backlight can be adjusted by controlling the brightness of the LED lamp set 122; through the adjustment of light baffle driving motor 124 to the position of light baffle 123 to the demonstration of adjustment backlight is realized in same backlight module, and different luminance can be shown in different regions.
It is noted that a combined adjustment step for the above-described backlight module is also included.
Preferably, the controlling the light emitting lamp set to adjust the preset display area includes:
determining a preset display area;
if the preset display area comprises different areas, simultaneously controlling a plurality of light-emitting diodes in different areas in the light-emitting lamp group to be lightened;
and if the preset display area comprises the designated area, independently controlling the light-emitting diodes in the designated area in the light-emitting lamp group to light.
Adjusting the position of the light blocking plate by controlling the light blocking plate driving motor to adjust the display area comprises:
determining the position and the shape of the preset display area;
controlling the light-shielding plate driving motor to adjust the light-shielding plate to a preset position according to the position of the preset display area;
and adjusting the shape of the light-shielding plate according to the shape of the preset display area.
Preferably, the controlling the light emitting lamp set to adjust the preset display area includes:
determining a preset display area;
if the preset display area comprises different areas, simultaneously controlling a plurality of light-emitting diodes in different areas in the light-emitting lamp group to be lightened;
and if the preset display area comprises the designated area, independently controlling the light-emitting diodes in the designated area in the light-emitting lamp group to light.
The adjusting the display area by controlling the display screen module comprises:
determining a preset display area;
and controlling the display screen module to adjust the area through which light can pass according to the preset display area.
Preferably, adjusting the position of the light blocking plate by controlling the light blocking plate driving motor to adjust the display area comprises:
determining the position and the shape of the preset display area;
controlling the light-shielding plate driving motor to adjust the light-shielding plate to a preset position according to the position of the preset display area;
and adjusting the shape of the light-shielding plate according to the shape of the preset display area.
The adjusting the display area by controlling the display screen module comprises:
determining a preset display area;
and controlling the display screen module to adjust the area through which light can pass according to the preset display area.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
There is also provided, in accordance with an embodiment of the present application, a HUD for implementing the above-described backlight module, as shown in fig. 1, 2 and 10, the apparatus including: display module assembly 11, backlight module 12, first reflector 13, second reflector 14, light is sent out from backlight module 12, passes display module assembly 11, through first reflector 13, second reflector 14 reflection back, projects on windshield 15 to the formation of image is in eye box region 16, backlight module assembly 12 includes: light emitting lamp group 100, separate light board 200 and separate light board driver 300 and be connected, a plurality of light emitting lamp group 100 constitutes the backlight array, through display module assembly 11 or backlight module 12, can adjust and be in the HUD carries out partial luminous demonstration. Through to luminous banks 100 and the position of board 200 that insulates against light can adjust the luminous region of backlight and luminous luminance level to the realization is in same backlight module, and different regions can show different luminance, thereby realizes the regional different light and shade effects of HUD's formation of image especially improves the purpose of the display effect in the night. Preferably, the display module 11 may be combined with the light emitting lamp set 100, the light shielding plate 200, and the light shielding plate driver 300 to adjust the illumination area, so as to better achieve the purpose of HUD partial light emitting display.
The first adjusting mode is as follows: controlled by the light bank 100. The control mode of the light emitting lamp set 100 may be simultaneous control of a plurality of lamps, or individual control of switches and brightness to adjust the display area. Wherein a in the drawing is the position of the LED lamp group that is lit. And B is the position of the LED lamp group which is closed. Specifically, as shown in fig. 4, the backlight module 12 includes: backlight support 121, LED banks 122, separate light board 123, separate light board driving motor 124, through the position to LED banks 122 and separate light board 123, can adjust the luminous region of backlight and luminous luminance level to realize in same backlight module, different regions can show different luminance.
And a second adjusting mode: the position adjustment display of the light shielding plate 200 is adjusted by the light shielding plate driver 300. The position of the light shielding plate 200 is adjusted by the light shielding plate driver 300, thereby adjusting the display area. The light-shielding plate 200 may be in any shape, and may have multiple layers, and the light-shielding plate may have holes or various light-transmitting structures such as grids. The examples of the present application are not particularly limited. Specifically, as shown in fig. 5, the backlight module 12 includes: backlight support 121, LED banks 122, separate light board 123, separate light board driving motor 124, through the position to LED banks 122 and separate light board 123, can adjust the luminous region of backlight and luminous luminance level to realize in same backlight module, different regions can show different luminance.
The third adjusting mode is as follows: the display is adjusted by the display module 11. The display module 11 adjusts the area through which light passes by the switch of the display liquid crystal, thereby adjusting the display area. Specifically, as shown in fig. 6, a in the drawing is an LCD portion which is not transparent to the backlight. B is the LCD portion that is transparent to the backlight. The backlight module 12 includes: backlight support 121, LED banks 122, separate light board 123, separate light board driving motor 124, through the position to LED banks 122 and separate light board 123, can adjust the luminous region of backlight and luminous luminance level to realize in same backlight module, different regions can show different luminance.
Preferably, the backlight module 12 is further configured to control the light emitting lamp set to adjust a preset display area; and/or controlling the light-shielding plate driving motor to adjust the position of the light-shielding plate so as to adjust a preset display area; and/or, the preset display area is adjusted by controlling the display screen module.
It should be noted that the above-mentioned first to third adjustment modes can be arbitrarily combined or selected.
It will be apparent to those skilled in the art that the modules or steps of the present application described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and they may alternatively be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, or fabricated separately as individual integrated circuit modules, or fabricated as a single integrated circuit module from multiple modules or steps. Thus, the present application is not limited to any specific combination of hardware and software.
According to another embodiment of the present application, there is also provided a backlight module control method for a HUD, as shown in fig. 10, the method including:
the preset display area is adjusted by controlling the light-emitting lamp group;
and/or adjusting the position of the light-shielding plate by controlling the light-shielding plate driving motor so as to adjust a preset display area;
and/or, the preset display area is adjusted by controlling the display screen module.
Controlled by the light bank 100. The control mode of the light emitting lamp set 100 may be simultaneous control of a plurality of lamps, or individual control of switches and brightness to adjust the display area.
The position adjustment display of the light shielding plate 200 is adjusted by the light shielding plate driver 300. The position of the light shielding plate 200 is adjusted by the light shielding plate driver 300, thereby adjusting the display area. The light-shielding plate 200 may be in any shape, and may have multiple layers, and the light-shielding plate may have holes or various light-transmitting structures such as grids. The examples of the present application are not particularly limited.
The display is adjusted by the display module 11. The display module 11 adjusts the area through which light passes by the switch of the display liquid crystal, thereby adjusting the display area.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. A backlight module, comprising: a light-emitting lamp set, a light-isolating plate driver and a display screen module,
the light-shielding plate is connected with the light-shielding plate driver, the plurality of light-emitting lamp groups form a backlight array, and the backlight array is preset to emit light for displaying according to the following mode:
the preset display area is adjusted by controlling the light-emitting lamp group;
wherein, through control the luminous banks for adjusting predetermine the display area and include:
determining a preset display area;
if the preset display area comprises different areas, simultaneously controlling a plurality of light-emitting diodes in different areas in the light-emitting lamp group to be lightened;
if the preset display area comprises the designated area, independently controlling the light-emitting diodes in the designated area in the light-emitting lamp group to be lightened;
adjusting the position of the light-shielding plate by controlling the light-shielding plate driver so as to adjust a preset display area;
wherein, through control the position that the board driver of separating light adjusted the board of separating light is used for adjusting preset display area includes:
determining the position and the shape of the preset display area;
controlling the light-shielding plate driver to adjust the light-shielding plate to a preset position according to the position of the preset display area;
adjusting the shape of the light-shielding plate according to the shape of the preset display area;
through control the display screen module is used for adjusting and presets the display area and includes:
determining a preset display area;
and controlling the display screen module to adjust the area through which light can pass according to the preset display area.
2. The backlight module of claim 1, further comprising: and the display screen module is used for adjusting the preset display area by controlling the display screen module.
3. The backlight module of claim 1, further comprising: the backlight support is provided with a backlight array formed by a plurality of light-emitting lamp groups.
4. The backlight module of claim 1, wherein the light-shielding plate comprises at least one layer, and the light-shielding plate is provided with a light-transmitting portion.
5. A HUD, comprising: a display screen module, a backlight module, a first reflector, a second reflector, and a light baffle driver,
light is sent out from the backlight module, passes the display screen module, through first reflector, second reflector reflection back, projects on windshield to the formation of image is regional at the eye box, the backlight module includes: the backlight module comprises light-emitting lamp groups, a light-isolating plate and a light-isolating plate driver, wherein the light-isolating plate is connected with the light-isolating plate driver, a plurality of light-emitting lamp groups form a backlight array, partial light-emitting display can be performed on the HUD by adjusting the display screen module or the backlight module,
wherein the back light module is also used for,
controlling the light emitting lamp set to adjust a preset display area;
wherein, through control the luminous banks for adjusting predetermine the display area and include:
determining a preset display area;
if the preset display area comprises different areas, simultaneously controlling a plurality of light-emitting diodes in different areas in the light-emitting lamp group to be lightened;
if the preset display area comprises the designated area, independently controlling the light-emitting diodes in the designated area in the light-emitting lamp group to be lightened;
controlling the light-shielding plate driver to adjust the position of the light-shielding plate so as to adjust a preset display area;
wherein, through control the position that the board driver of separating light adjusted the board of separating light is used for adjusting preset display area includes:
determining the position and the shape of the preset display area;
controlling the light-shielding plate driver to adjust the light-shielding plate to a preset position according to the position of the preset display area;
adjusting the shape of the light-shielding plate according to the shape of the preset display area;
through control the display screen module is used for adjusting and presets the display area and includes:
determining a preset display area;
controlling the display screen module to adjust the area through which light can pass according to the preset display area;
the display screen module is controlled to adjust a preset display area.
6. A backlight module control method for a HUD, for the HUD of claim 5, the control method comprising:
the preset display area is adjusted by controlling the light-emitting lamp group;
adjusting the position of the light-shielding plate by controlling the light-shielding plate driver so as to adjust a preset display area;
the display screen module is controlled to adjust a preset display area.
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