CN110109247A - Back light mould group, HUD and back light mould group control method - Google Patents
Back light mould group, HUD and back light mould group control method Download PDFInfo
- Publication number
- CN110109247A CN110109247A CN201910272750.7A CN201910272750A CN110109247A CN 110109247 A CN110109247 A CN 110109247A CN 201910272750 A CN201910272750 A CN 201910272750A CN 110109247 A CN110109247 A CN 110109247A
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- Prior art keywords
- light
- insulation pad
- display area
- back light
- mould group
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Classifications
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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
-
- 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
Abstract
This application discloses a kind of back light mould group, HUD and back light mould group control methods.The back light mould group includes shine lamp group, light insulation pad and light insulation pad driver, the light insulation pad is connect with light insulation pad driver, multiple luminous lamp groups form back light array, and it is carried out as follows predetermined fraction back light luminescence display: by controlling the luminous lamp group, to adjust default display area；And/or the position of the light insulation pad is adjusted to adjust default display area by controlling the light insulation pad driving motor.Present application addresses back light mould groups to be unable to satisfy the technical issues of part shows HUD projection information.In addition, the imaging region that the application can be adapted for HUD needs the scene of different chiaroscuro effects, it is particularly possible to play the purpose for improving the display effect in night.
Description
Technical field
This application involves the fields HUD, in particular to a kind of back light mould group, HUD and back light mould group control method.
Background technique
HUD can be used for projecting on essential information, driving information or the navigation information to front vehicle windshield of vehicle.
Inventors have found that the back light of HUD can only control being all turned on or closing for back light LED.It is unable to satisfy and is needing
The case where part display HUD information is to reduce power consumption.Further, it is also unable to satisfy and needs to close HUD screen week as far as possible at night
The demand of the case where display area on side.
Aiming at the problem that back light mould group in the related technology is unable to satisfy part and shows HUD projection information, not yet propose at present
Effective solution scheme.
Summary of the invention
The main purpose of the application is to provide a kind of back light mould group, HUD and back light mould group control method, to solve to carry on the back
Lamp mould group is unable to satisfy the problem of part shows HUD projection information.
To achieve the goals above, according to the one aspect of the application, a kind of back light mould group is provided.
Back light mould group according to the application includes: luminous lamp group, light insulation pad and light insulation pad driver, the light insulation pad with
The connection of light insulation pad driver, multiple luminous lamp groups form back light array, and are carried out as follows predetermined fraction back light
Luminescence display: by controlling the luminous lamp group, to adjust default display area；And/or it is driven by controlling the light insulation pad
Dynamic motor adjusts the position of the light insulation pad to adjust default display area.
Further, the back light mould group further include: display screen module, by controlling the display screen module to adjust
Default display area.
Further, the back light mould group further include: back light bracket, setting described is shone by multiple on the back light bracket
Lamp group forms back light array.
Further, by controlling the luminous lamp group, default viewing area is comprised determining that adjust default display area
Domain；If default display area includes different zones, control simultaneously multiple luminous in different zones in the luminous lamp group
Diode is lighted；If default display area includes specified region, individually controls the luminous lamp group middle finger and determine in region
Light emitting diode is lighted.
Further, the position of the light insulation pad is adjusted to adjust viewing area by controlling the light insulation pad driving motor
Domain comprises determining that the location and shape of the default display area；According to the position of the default display area, control it is described every
Tabula rasa driving motor adjusts the light insulation pad to predeterminated position；According to the shape of the default display area, adjustment is described every light
The shape of plate.
Further, default display area is comprised determining that adjust display area by controlling the display screen module；
According to the default display area, the display screen module adjustment passable region of light is controlled.
Further, the light insulation pad includes at least one layer, offers transmittance section in the light insulation pad.
To achieve the goals above, according to the another aspect of the application, a kind of HUD is provided.
HUD according to the application includes: display module, back light mould group, the first reflective mirror, the second reflective mirror, and light is from back
It is issued in lamp mould group, passes through display module and projected on windshield after the first reflective mirror, the second mirror reflection, and
Be imaged on a box region, the back light mould group includes: luminous lamp group, light insulation pad and light insulation pad driver, the light insulation pad with
The connection of light insulation pad driver, multiple luminous lamp groups form back light arrays, by the display module or the back light mould group,
It can adjust and carry out part luminescence display in the HUD.
Further, the back light mould group is also used to, and the luminous lamp group is controlled, to adjust default display area；With/
Or, controlling the light insulation pad driving motor adjusts the position of the light insulation pad to adjust default display area；And/or pass through
The display screen module is controlled to adjust default display area.
To achieve the goals above, according to the another aspect of the application, a kind of back light mould group control for HUD is provided
Method, for the HUD, the control method includes: by controlling the luminous lamp group, to adjust default viewing area
Domain；And/or the position of the light insulation pad is adjusted to adjust default display area by controlling the light insulation pad driving motor；
And/or by controlling the display screen module to adjust default display area.
Back light mould group, HUD and back light mould group control method in the embodiment of the present application, using luminous lamp group, light insulation pad
And the mode of light insulation pad driver, it is connect by the light insulation pad with light insulation pad driver, multiple luminous lamp group compositions
Back light array has reached by controlling the luminous lamp group, described every light to adjust default display area and/or pass through control
Plate driving motor adjusts the position of the light insulation pad to adjust the purpose of default display area, to realize backlight module portion
Point regulation and display technical effect, and then solve back light mould group be unable to satisfy part show HUD projection information technology ask
Topic.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the back light modular structure schematic diagram according to the embodiment of the present application；
Fig. 2 is the back light mould group according to the embodiment of the present application；
Fig. 3 is the back light mould group according to the embodiment of the present application；
Fig. 4 is the back light mould group control methods schematic diagram according to one embodiment of the application；
Fig. 5 is the back light mould group control methods schematic diagram according to another embodiment of the application；
Fig. 6 is the back light mould group control methods schematic diagram according to the application another embodiment；
Fig. 7 is the control method flow diagram according to the embodiment of the present application；
Fig. 8 is the control method flow diagram according to the embodiment of the present application；
Fig. 9 is the control method flow diagram according to the embodiment of the present application；
Figure 10 is the light channel structure schematic diagram according to the HUD of the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the application and embodiment
Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example,
It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase
It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component.
For those of ordinary skills, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, the back light mould group in the embodiment of the present application, comprising: shine lamp group 100, light insulation pad 200 and every light
Sheet drive 300, the light insulation pad 200 are connect with light insulation pad driver 300, and multiple luminous lamp group groups 100 are at back light battle array
Column, and it is carried out as follows predetermined fraction back light luminescence display: it is pre- to adjust by controlling the luminous lamp group 100
If display area；The position that the control light insulation pad driving motor 300 adjusts the light insulation pad 200 is default to adjust with passing through
Display area.In the above-described embodiments, the luminous lamp group 100 may include multiple, and multiple luminous lamp groups 100 constitute
Back light array.Position, size and the thickness of the light insulation pad 200 are not limited specifically in embodiments herein,
As long as can satisfy the requirement every light.The light insulation pad driver 300 is for driving the light insulation pad 200 according to scheduled
Direction and position are moved.It, can by controlling the luminous lamp group 100 when the progress predetermined fraction back light luminescence display
To individually adjust default display area.The light insulation pad driving motor 300 is cooperated to adjust the position of the light insulation pad 200 simultaneously
Default display area can be adjusted by setting.
Back light mould group in the embodiment of the present application, comprising: shine lamp group 100, light insulation pad 200 and light insulation pad driver
300, the light insulation pad 200 is connect with light insulation pad driver 300, multiple luminous lamp group groups 100 at back light array, and according to
As under type carries out predetermined fraction back light luminescence display: by controlling the luminous lamp group 100, to adjust default viewing area
Domain；The position of the light insulation pad 200 is adjusted to adjust default viewing area alternatively, crossing and controlling the light insulation pad driving motor 300
Domain.In the above-described embodiments, the luminous lamp group 100 may include multiple, and multiple luminous lamp groups 100 constitute back light battle array
Column.Position, size and the thickness of the light insulation pad 200 are not limited specifically in embodiments herein, as long as energy
Enough requirements met every light.The light insulation pad driver 300 for drive the light insulation pad 200 in the predetermined direction and
It is moved position.It, can be independent by controlling the luminous lamp group 100 when the progress predetermined fraction back light luminescence display
Adjust default display area.It can be right alternatively, the light insulation pad driving motor 300 is cooperated to adjust the position of the light insulation pad 200
Default display area is individually adjusted.
It can be seen from the above description that the application realizes following technical effect:
Back light mould group, HUD and back light mould group control method in the embodiment of the present application, using luminous lamp group, light insulation pad
And the mode of light insulation pad driver, it is connect by the light insulation pad with light insulation pad driver, multiple luminous lamp group compositions
Back light array has reached by controlling the luminous lamp group, described every light to adjust default display area and/or pass through control
Plate driving motor adjusts the position of the light insulation pad to adjust the purpose of default display area, to realize backlight module portion
Point regulation and display technical effect, and then solve back light mould group be unable to satisfy part show HUD projection information technology ask
Topic.
According to the embodiment of the present application, as preferred in the present embodiment, as shown in Figure 1, further includes: display screen module is led to
It crosses and controls the display screen module to adjust default display area.Pass through the display LCD screen in the display screen module
It switchs to adjust the region for whether light being allowed to pass through, so as to adjust display area.
According to the embodiment of the present application, as preferred in the present embodiment, as shown in Figure 2, further includes: back light bracket 121, institute
It states and is arranged by multiple luminous lamp group groups 100 on back light bracket 121 into back light array.
Specifically, as preferred in the present embodiment, LED light group, the light insulation pad is selected to drive with the luminous lamp group 100
Dynamic device 300 is selected for driving motor.
As shown in Fig. 2, the back light mould group 12 in the embodiment of the present application includes: back light bracket 121, LED light group 122, every light
Plate 123, light insulation pad driving motor 124, by the position for LED light group 122 and light insulation pad 123, adjustable back light
Light emitting region and luminous gray scale, to realize in the same back light mould group, different zones can show different
Brightness.And then after backlight module uses on HUD, the different chiaroscuro effects of the imaging region of HUD may be implemented, be improved particularly
The purpose of display effect in night.Preferably, the display module 11 can be with LED light group 122, light insulation pad 123 and every light
The adjustment irradiation area of plate driving motor 124, to preferably realize the purpose of the part HUD luminescence display.
Preferably, the light insulation pad 123 includes at least one layer, offers transmittance section in the light insulation pad 123.Specifically,
The light insulation pad can show as arbitrary shape, multilayer.There can be the various appearances such as hole or grid in the light insulation pad.At this
The specific number of plies of the light insulation pad 123, structure or shape are not defined in the embodiment of application, as long as can satisfy described
The condition of light insulation pad.
According to the embodiment of the present application, as preferred in the present embodiment, as shown in fig. 7, by controlling the luminous lamp group,
Include: to adjust default display area
Step S102 determines default display area；
Step S104 controls in the luminous lamp group not same district if default display area includes different zones simultaneously
Multiple light emitting diodes in domain are lighted；
Step S106 individually controls the luminous lamp group middle finger and determines area if default display area includes specified region
Light emitting diode in domain is lighted.
Specifically, by LED light group 122, the control method of LED light group 122 can control simultaneously for more lamps, can also be with
Independent control switch and light and shade are so as to adjust display area.The light insulation pad is adjusted by the light insulation pad driving motor 124
123 position, so as to adjust display area.It should be noted that the light insulation pad 123 can show as arbitrary shape, multilayer,
There can be the various appearances such as hole or grid in light insulation pad.Back light mould group in the embodiment of the present application is by back light bracket 121, LED
Lamp group 122, light insulation pad 123 and light insulation pad driving motor 124 form.
When operation back light mould group is adjusted, controlled by the light and shade for the LED light group 122, adjustable back light
Luminous region, gray scale；The light insulation pad driving motor 124 of adjustment by to(for) the position of light insulation pad 123, so as to adjust back
For the Display Realization of lamp in the same back light mould group, different zones can show different brightness.
According to the embodiment of the present application, as preferred in the present embodiment, as shown in figure 8, being driven by controlling the light insulation pad
The position that dynamic motor adjusts the light insulation pad includes: to adjust display area
Step S202 determines the location and shape of the default display area；
Step S204, according to the position of the default display area, control the light insulation pad driving motor adjustment it is described every
Tabula rasa is to predeterminated position；
Step S206 adjusts the shape of the light insulation pad according to the shape of the default display area.
Specifically, using the method in above-described embodiment, the light insulation pad driving motor 124 adjusts the light insulation pad 123
Position adjust display.The position of the light insulation pad 123 is adjusted, by the light insulation pad driving motor 124 so as to adjust display
Region.It should be noted that the light insulation pad 123 can show as arbitrary shape, multilayer can have hole or grid in light insulation pad
The various appearances such as lattice.Back light mould group in the embodiment of the present application by back light bracket 121, LED light group 122, light insulation pad 123 and every
Tabula rasa driving motor 124 forms.
When operation back light mould group is adjusted, controlled by the light and shade for the LED light group 122, adjustable back light
Luminous region, gray scale；The light insulation pad driving motor 124 of adjustment by to(for) the position of light insulation pad 123, so as to adjust back
For the Display Realization of lamp in the same back light mould group, different zones can show different brightness.
According to the embodiment of the present application, as preferred in the present embodiment, as shown in figure 9, by controlling the display screen mould
Group includes: to adjust display area
Step S302 determines default display area；
Step S304 controls the display screen module adjustment passable region of light according to the default display area.
Specifically, using the method in above-described embodiment, the display module 11 can be with LED light group 122, light insulation pad 123
And the adjustment irradiation area of light insulation pad driving motor 124, to preferably realize the purpose of the part HUD luminescence display.
The position of the light insulation pad 123 is adjusted, by the light insulation pad driving motor 124 so as to adjust display area.It needs
It is noted that the light insulation pad 123 can show as arbitrary shape, multilayer can have hole or grid etc. each in light insulation pad
Kind appearance.Back light mould group in the embodiment of the present application is driven by back light bracket 121, LED light group 122, light insulation pad 123 and light insulation pad
Dynamic motor 124 forms.
When operation back light mould group is adjusted, controlled by the light and shade for the LED light group 122, adjustable back light
Luminous region, gray scale；The light insulation pad driving motor 124 of adjustment by to(for) the position of light insulation pad 123, so as to adjust back
For the Display Realization of lamp in the same back light mould group, different zones can show different brightness.
It should be noted that further including the combination regulating step for above-mentioned back light mould group.
Preferably, by controlling the luminous lamp group, include: to adjust default display area
Determine default display area；
If default display area includes different zones, control simultaneously multiple in different zones in the luminous lamp group
Light emitting diode is lighted；
If default display area includes specified region, individually controls the luminous lamp group middle finger and determine shining in region
Diode is lighted.
Include: to adjust display area by controlling the position that the light insulation pad driving motor adjusts the light insulation pad
Determine the location and shape of the default display area；
According to the position of the default display area, controls the light insulation pad driving motor and adjust the light insulation pad to default
Position；
According to the shape of the default display area, the shape of the light insulation pad is adjusted.
Preferably, by controlling the luminous lamp group, include: to adjust default display area
Determine default display area；
If default display area includes different zones, control simultaneously multiple in different zones in the luminous lamp group
Light emitting diode is lighted；
If default display area includes specified region, individually controls the luminous lamp group middle finger and determine shining in region
Diode is lighted.
Include: by controlling the display screen module to adjust display area
Determine default display area；
According to the default display area, the display screen module adjustment passable region of light is controlled.
Preferably, the position of the light insulation pad is adjusted to adjust display area by controlling the light insulation pad driving motor
Include:
Determine the location and shape of the default display area；
According to the position of the default display area, controls the light insulation pad driving motor and adjust the light insulation pad to default
Position；
According to the shape of the default display area, the shape of the light insulation pad is adjusted.
Include: by controlling the display screen module to adjust display area
Determine default display area；
According to the default display area, the display screen module adjustment passable region of light is controlled.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
According to the embodiment of the present application, additionally provide it is a kind of for implementing the HUD of above-mentioned back light mould group, such as Fig. 1,2 and 10
Shown, which includes: display module 11, back light mould group 12, the first reflective mirror 13, the second reflective mirror 14, and light is from back light mould
It is issued in group 12, passes through display module 11, after the first reflective mirror 13, the reflection of the second reflective mirror 14, project windshield
On 15, and be imaged on a box region 16, the back light mould group packet 12 includes: shine lamp group 100, light insulation pad 200 and light insulation pad are driven
Dynamic device 300, the light insulation pad 200 are connect with light insulation pad driver 300, and multiple luminous lamp groups 100 form back light array, are led to
The display module 11 or the back light mould group 12 are crossed, can adjust and carry out part luminescence display in the HUD.By for institute
State the position of luminous lamp group 100 and the light insulation pad 200, the light emitting region of adjustable back light and luminous intensity level
Not, thus realize in the same back light mould group, different zones can show different brightness, thus realize the HUD at
As the different chiaroscuro effects in region, it is improved particularly the purpose of the display effect in night.Preferably, using the display module 11
Can in conjunction with the luminous lamp group 100 with and the light insulation pad 200, the light insulation pad driver 300 adjustment irradiation area,
To preferably realize the purpose of the part HUD luminescence display.
Regulative mode one: it is controlled by the luminous lamp group 100.The control mode of the luminous lamp group 100 can be more
Lamp controls simultaneously, can also individually control switch and light and shade so as to adjust display area.Wherein, A is lighted in attached drawing
The position of LED light group.B is the position for the LED light group closed.Specifically, as shown in figure 4, back light mould group 12 includes: back light bracket
121, LED light group 122, light insulation pad 123, light insulation pad driving motor 124, by for LED light group 122 and light insulation pad 123
Position, the light emitting region of adjustable back light and luminous gray scale, thus realize in the same back light mould group, it is different
Region can show different brightness.
Regulative mode two: the position adjustment display of the light insulation pad 200 is adjusted by the light insulation pad driver 300.It is logical
The position that the light insulation pad driver 300 adjusts the light insulation pad 200 is crossed, so as to adjust display area.The light insulation pad 200 every
Tabula rasa can choose arbitrary shape, multilayer, can have the various translucent constructions such as hole or grid in light insulation pad.In the reality of the application
It applies in example and without specifically limiting.Specifically, as shown in figure 5, back light mould group 12 includes: back light bracket 121, LED light group
122, light insulation pad 123, light insulation pad driving motor 124 can be adjusted by the position for LED light group 122 and light insulation pad 123
The light emitting region of whole back light and luminous gray scale, to realize in the same back light mould group, different zones can be shown
Show different brightness.
Regulative mode three: display is adjusted by the display module 11.The display module 11 passes through display liquid
Brilliant switch is to adjust the region that light passes through, so as to adjust display area.Specifically, as shown in fig. 6, in attached drawing A be cannot
Through the LCD portion of back light.B is the LCD portion that can penetrate back light.Back light mould group 12 includes: back light bracket 121, LED light group
122, light insulation pad 123, light insulation pad driving motor 124 can be adjusted by the position for LED light group 122 and light insulation pad 123
The light emitting region of whole back light and luminous gray scale, to realize in the same back light mould group, different zones can be shown
Show different brightness.
Preferably, the back light mould group 12 is also used to, and the luminous lamp group is controlled, to adjust default display area；With/
Or, controlling the light insulation pad driving motor adjusts the position of the light insulation pad to adjust default display area；And/or pass through
The display screen module is controlled to adjust default display area.
It should be noted that above-mentioned regulative mode one to regulative mode three can carry out any combination or selection.
Obviously, those skilled in the art should be understood that each module of above-mentioned the application or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the application be not limited to it is any specific
Hardware and software combines.
According to another embodiment of the application, a kind of back light mould group control method for HUD is additionally provided, for described
HUD, as shown in Figure 10, the control method includes:
By controlling the luminous lamp group, to adjust default display area；
And/or the position of the light insulation pad is adjusted to adjust default display by controlling the light insulation pad driving motor
Region；
And/or by controlling the display screen module to adjust default display area.
It is controlled by the luminous lamp group 100.The control mode of the luminous lamp group 100 can be the more same time controls of lamp
System, can also individually control switch and light and shade so as to adjust display area.
The position adjustment display of the light insulation pad 200 is adjusted by the light insulation pad driver 300.Pass through the light insulation pad
Driver 300 adjusts the position of the light insulation pad 200, so as to adjust display area.200 light insulation pad of light insulation pad can choose
Arbitrary shape, multilayer can have the various translucent constructions such as hole or grid in light insulation pad.In embodiments herein not into
Row is specific to be limited.
Display is adjusted by the display module 11.The display module 11 is adjusted by showing the switch of liquid crystal
The region that whole light passes through, so as to adjust display area.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of back light mould group characterized by comprising shine lamp group, light insulation pad and light insulation pad driver, the light insulation pad
It is connect with light insulation pad driver, multiple luminous lamp groups form back light array, and are carried out as follows predetermined fraction back
Lamp luminescence display:
By controlling the luminous lamp group, to adjust default display area；
And/or the position of the light insulation pad is adjusted to adjust default display area by controlling the light insulation pad driving motor.
2. back light mould group according to claim 1, which is characterized in that further include: display screen module, it is described aobvious by controlling
Display screen mould group is to adjust default display area.
3. back light mould group according to claim 1, which is characterized in that further include: back light bracket is set on the back light bracket
It sets and forms back light array by multiple luminous lamp groups.
4. back light mould group according to claim 1, which is characterized in that pre- to adjust by controlling the luminous lamp group
If display area includes:
Determine default display area；
If default display area includes different zones, control simultaneously multiple luminous in different zones in the luminous lamp group
Diode is lighted；
If default display area includes specified region, individually controls the luminous lamp group middle finger and determine light-emitting diodes in region
Pipe is lighted.
5. back light mould group according to claim 1, which is characterized in that adjust institute by controlling the light insulation pad driving motor
The position for stating light insulation pad includes: to adjust display area
Determine the location and shape of the default display area；
According to the position of the default display area, controls the light insulation pad driving motor and adjust the light insulation pad to default position
It sets；
According to the shape of the default display area, the shape of the light insulation pad is adjusted.
6. back light mould group according to claim 2, which is characterized in that aobvious to adjust by controlling the display screen module
Show that region includes:
Determine default display area；
According to the default display area, the display screen module adjustment passable region of light is controlled.
7. back light mould group according to claim 1, which is characterized in that the light insulation pad includes at least one layer, described every light
Transmittance section is offered on plate.
8. a kind of HUD characterized by comprising display module, back light mould group, the first reflective mirror, the second reflective mirror, light from
It is issued in back light mould group, passes through display module and projected on windshield after the first reflective mirror, the second mirror reflection,
And it is imaged on a box region, the back light mould group includes: luminous lamp group, light insulation pad and light insulation pad driver, the light insulation pad
It is connect with light insulation pad driver, multiple luminous lamp groups form back light array, pass through the display module or the back light mould
Group can adjust and carry out part luminescence display in the HUD.
9. HUD according to claim 8, which is characterized in that it is characterized in that, the back light mould group is also used to,
The luminous lamp group is controlled, to adjust default display area；
And/or it controls the light insulation pad driving motor and adjusts the position of the light insulation pad to adjust default display area；
And/or by controlling the display screen module to adjust default display area.
10. a kind of back light mould group control method for HUD, which is characterized in that it is used for HUD as claimed in claim 8, it is described
Control method includes:
By controlling the luminous lamp group, to adjust default display area；
And/or the position of the light insulation pad is adjusted to adjust default display area by controlling the light insulation pad driving motor；
And/or by controlling the display screen module to adjust default display area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN110109247B (en) | 2021-10-01 |
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