CN110244465A - A kind of automobile head-up display brightness control method and system - Google Patents
A kind of automobile head-up display brightness control method and system Download PDFInfo
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- CN110244465A CN110244465A CN201910551687.0A CN201910551687A CN110244465A CN 110244465 A CN110244465 A CN 110244465A CN 201910551687 A CN201910551687 A CN 201910551687A CN 110244465 A CN110244465 A CN 110244465A
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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
- 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
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
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Abstract
The invention discloses a kind of automobile head-up display brightness control method and systems, belong to automobile new line field of display technology, it is an object of that present invention to provide a kind of method and system of head up display brightness control, to meet the varying environment scene demand of same driver and the demand of different driver's individual differences.The system includes: head up display, the light intensity sensor being mounted on vehicle windshield glass, the manual operation knob in automobile cabin or touch display screen, upper beam switch, connection wiring harness and head up display brightness controller；The present invention is controlled such that head up display shows that information brightness meets the varying environment scene demand of same driver by the system, improves driving comfort；Meet the demand of different driver's individual differences simultaneously.
Description
Technical field
The invention belongs to automobile new line field of display technology, be related to a kind of automobile head-up display brightness control method and
System.
Background technique
Head up display (Head Up Display, abbreviation HUD), is a kind of on-vehicle information auxiliary display system, main at present
It to include tri- kinds of C-HUD, W-HUD, AR-HUD.It by the car status informations such as speed, police instruction and navigation, cruise, come
The running informations such as electricity Projection Display a certain distance position in front of driver, to guarantee driver in sight without departing from front
Car status information and instruction information are known in the case where road surface, are eliminated the vision dead zone for bowing and watching the instruments and generating, are mentioned
High traffic safety, promotes user's driving experience.
Information is projected on a certain distance position in front of driver by HUD, in order to enable display information is under various circumstances
It can be clearly apparent by driver and not dazzling and influence safe driving, need to guarantee the information display brightness and ring of HUD
The contrast of border brightness is in optimum range.Since comfort of the different people to display information brightness is different, HUD brightness is set
Meter needs to consider the individual difference of different drivers.When driving a vehicle at dusk, opens this Chinese herbaceous peony light and closing light also can be to information
Display effect have an impact.To sum up, the varying environment field that control and regulation need to meet same driver is carried out to the brightness of HUD
Scape demand meets the demand of different driver's individual differences.
Summary of the invention
It is same to meet the main purpose of the present invention is to provide a kind of method and system of head up display brightness control
The demand of the varying environment scene demand of driver and different driver's individual differences.
To achieve the above objectives, the present invention adopts the following technical scheme:
A kind of head up display brightness control system, comprising: head up display, the light being mounted on vehicle windshield glass
Manual operation knob or touch display screen in line intensity sensor, automobile cabin, upper beam switch, connection wiring harness and
Head up display brightness controller；
Ambient brightness value of the light intensity sensor for acquisition；The light intensity sensor integration has number
Conversion circuit is divided equally for the maximum ambient brightness value according to acquired in light intensity sensor and minimum ambient brightness value
For X rank, ambient light levels are indicated with A (N), A (X-1) is maximum ambient light levels, and A (0) is minimum ambient brightness
Grade；
Manual knob or touch display screen are for being finely adjusted head up display brightness；It is equal brightness range will to be manually adjusted
It is divided into 2Y+1 rank, default luminance grade is indicated with B (0), B (+Y) indicates maximum and increases brightness degree, and B (- Y) indicates maximum
Reduce brightness degree；
Upper beam switch is sent to head up display brightness controller for headlamp to be opened or closed information, with C
(0) it indicates not open lampet, C (1) indicates to open lampet；
Head up display brightness controller opens or closes information and fine tuning brightness according to ambient light levels, headlamp
Rating calculation goes out the brightness of display, and the calculation formula of the brightness of head up display is as follows:
L=f (x) × A (x)+g (x, y) × B (y)+h (x, y, z) × C (z)
F (x) is the influence coefficient of certain ambient light levels, and g (x, y) is to manually adjust brightness under certain ambient light levels
The influence coefficient of grade, h are the influence coefficient of headlamp；Then control new line display brightness reaches the value.
Wherein it is determined that the specific method of f (x):
According to the average brightness level La (x) of head up display under the tier environment brightness, by f (x)=La (x)/A (x)
Determination obtains f (x)；
Determine the specific method of B (y) He g (x, y):
1) under the conditions of each ambient brightness A (N), acceptable maximum brightness A (N) max of current head up display is calibrated
With minimum brightness A (N) min, manual brightness adjustable range, i.e. B (0)=0, B (Y)=A (N) max-A (N), B (- Y) are determined with this
=A (N) min-A (N), 0 < N≤X；
2) under certain ambient light levels and fine tuning brightness degree, by g (x, y)=[Lb (y)-f (x) × A (x)]/B (y),
It determines g (x, y), x=0,1 ..., X-1, y=0, ± 1 ..., ± Y；Lb (y) certain ambient light levels and fine tuning brightness degree
The average brightness level of lower head up display；
Determine the specific method of C (z) He h (x, y, z):
1) under certain ambient light levels, fine tuning brightness degree and headlamp unlocking condition, the brightness of HUD is improved to A (M
+) extremely can be comfortably it can be clearly seen that head up display shows information, so that it is determined that the brightness for opening headlamp influences to be C (1)=A
(M+)-A(M)；
2) it by h (x, y, z)=[L-f (x) × A (x)-g (x, y) × B (y)]/C (z), determines h (x, y, z), x=0,
1 ..., X-1, y=0, ± 1 ..., ± y, z=1.
In the present invention, the same seat position of the brightness B (y) of driver's manual setting, introscope position are remembered together
Storage, and support the operation such as recall, delete, initializing, automated intelligent matching is carried out according to the driver identity that vehicle recognizes
It adjusts.
Beneficial effects of the present invention:
The present invention is by head up display brightness control method, so as to show that information brightness meets same for head up display
The varying environment scene demand of driver improves driving comfort；The demand for meeting different driver's individual differences simultaneously, allows
User experiences that scientific and technological bring is convenient and enjoyment.
Detailed description of the invention
Fig. 1 is building block and mutual alignment relation of the invention
Fig. 2 is the principle of the present invention；
Fig. 3 is the flow chart that the present invention realizes head up display brightness control method.
Specific embodiment
Technical solution of the present invention is further elaborated below with reference to examples and drawings.
As shown in Figure 1, a kind of head up display brightness control system includes head up display ontology 2, vehicle front windshield glass
The touch display screen 3 in light intensity sensor 1, automobile cabin, upper beam switch 4 and connection wiring harness (figure on glass
In do not mark).
As shown in Fig. 2, a kind of head up display brightness control method, is obtained with the light intensity sensor that vehicle is equipped with
Based on ambient brightness information (heavy line), supplemented by progress bar fine tuning brightness in manual knob or touch display screen (fine line),
Consider further that (when it is less black) opens influence of the upper beam to front imaging region at dusk, and it is (empty to carry out brightness correction simultaneously
Line).
In the present invention, ambient brightness (is indicated) that range is divided into X=30 rank with A, A (30) is that can get
Maximum ambient brightness, A (0) are the minimum border brightness that can get；Brightness will be manually adjusted (indicates) that range is divided into Y=with B
± 10 ranks, B (0) indicate that default luminance, B (+) indicate to increase brightness, and B (-) indicates to reduce brightness；Headlamp pair will be opened
HUD shows that the brightness of information influences (being indicated with C) and is divided into Z=2 rank, and C (0) expression does not open lampet without influence, and C (1) is indicated
Lampet is opened, the brightness that HUD shows information is increased.
Correspondingly, the influence coefficient for defining ambient light levels is f, manually adjusts brightness degree under a certain ambient brightness
Influence coefficient be g, if open headlamp influence coefficient be h.In this way, the brightness (being indicated with L) of HUD can use following public affairs
Formula indicates:
L=f (x) × A (x)+g (x, y) × B (y)+h (x, y, z) × C (z).
In the present invention, the same seat position of the brightness B (y) of driver's manual setting, introscope position are remembered together
Storage, and support the operation such as recall, delete, initializing, automated intelligent matching is carried out according to the driver identity that vehicle recognizes
It adjusts.
As shown in figure 3, being determined in accordance with the following steps to each variable of above head up display brightness control:
Step 1: each rank brightness value, maximum brightness on daytime are determined according to the retrievable ambient brightness range of light sensor
For A (30), night minimum brightness is A (0)；
Step 2: each rank ambient brightness is divided equally, and calculating the ambient brightness values at different levels that light sensor obtains is [A (30)-A
(0)]/30, thus obtain A (1), A (2) ..., A (29), further according under ambient brightness at different levels HUD show information average brightness
Horizontal La (x) determines f (x), x=0,1 ... by f (x)=La (x)/A (x), 30；
Step 3: choosing and occur the ambient brightness under more no special environment scene, such as A (25) daytime, determine current
HUD shows acceptable maximum brightness A (25) max and minimum brightness A (25) min of information, determines that manual brightness adjusts model with this
It encloses, i.e. B (0)=0, B (10)=A (25) max-A (25), B (- 10)=A (25) min-A (25)；
Step 4: similarly, referring to step 2, determine B (- 1), B (- 2) ..., B (- 9) and B (1), B (2) ..., B (9)；Into
One step is under ambient brightness at different levels, further according to the brightness Lb (y) at different levels manually adjusted, by f (x)=[Lb (y)-f (x) × A
(x)]/B (y) is determined g (x, y), x=0,1 ..., 30, y=0, ± 1 ..., ± 10；
Step 5: when the dusk, the ambient light levels that light sensor obtains are lower, for example ambient brightness is A (3), if beating
Headlamp is opened, at this time in order to comfortably it can be clearly seen that HUD shows information, need to improve the brightness of HUD to A (3+), so that it is determined that
The brightness for opening headlamp influences to be C (1)=A (3+)-A (3), C (0)=0；
Step 6: A (x), the f (x), B (y), g (x, y), C (z) that the former steps of root determine, by h (x, y, z)=[L-f (x) × A
(x)-g (x, y) × B (y)]/C (z), is determined h (x, y, z), x=0,1 ..., 30, y=0, ± 1 ..., ± 10, z=1；
So far, the determination of each parameter in head up display brightness control formula is completed.The above head up display brightness control
Each grade quantity mentioned in the embodiment of the method for system can be adjusted according to actual needs, acceptable to reach product development
Subject to degree.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented in foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the technical solution for various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (2)
1. a kind of head up display brightness control system, which is characterized in that the system includes: head up display, is mounted on vehicle
Light intensity sensor on windshield glass, the manual operation knob in automobile cabin or touch display screen, upper beam
Switch, connection wiring harness and head up display brightness controller；
Ambient brightness value of the light intensity sensor for acquisition；The light intensity sensor integration has digital conversion
Circuit is divided into X for the maximum ambient brightness value according to acquired in light intensity sensor and minimum ambient brightness value
A rank indicates ambient light levels with A (N), and A (X-1) is maximum ambient light levels, and A (0) is minimum ambient brightness etc.
Grade；
Manual knob or touch display screen are for being finely adjusted head up display brightness；Brightness range will be manually adjusted to be divided into
2Y+1 rank indicates default luminance grade with B (0), and B (+Y) indicates maximum and increases brightness degree, and B (- Y), which indicates maximum, to be reduced
Brightness degree；
Upper beam switch is sent to head up display brightness controller for headlamp to be opened or closed information, with C (0) table
Show and do not open lampet, C (1) indicates to open lampet.
2. head up display brightness control system according to claim 1, which is characterized in that the control method of the system has
Steps are as follows for body:
Head up display brightness controller opens or closes information and fine tuning brightness degree according to ambient light levels, headlamp
The brightness of display is calculated, the calculation formula of the brightness of head up display is as follows:
L=f (x) × A (x)+g (x, y) × B (y)+h (x, y, z) × C (z)
F (x) is the influence coefficient of certain ambient light levels, and g (x, y) is to manually adjust brightness degree under certain ambient light levels
Influence coefficient, h be headlamp influence coefficient；Then control new line display brightness reaches the value.
Wherein it is determined that the specific method of f (x):
According to the average brightness level La (x) of head up display under the tier environment brightness, determined by f (x)=La (x)/A (x)
Obtain f (x)；
Determine the specific method of B (y) He g (x, y):
1) under the conditions of each ambient brightness A (N), acceptable maximum brightness A (N) max of current head up display and most is calibrated
Small brightness A (N) min determines manual brightness adjustable range, i.e. B (0)=0, B (Y)=A (N) max-A (N), B (- Y)=A with this
(N) min-A (N), 0 < N≤X；
2) it under certain ambient light levels and fine tuning brightness degree, by g (x, y)=[Lb (y)-f (x) × A (x)]/B (y), determines
G (x, y), x=0,1 ..., X-1, y=0, ± 1 ..., ± Y；It is lifted under Lb (y) certain ambient light levels and fine tuning brightness degree
The average brightness level of head display；
Determine the specific method of C (z) He h (x, y, z):
1) under certain ambient light levels, fine tuning brightness degree and headlamp unlocking condition, the brightness of HUD is improved to A (M+) extremely
It can be comfortably it can be clearly seen that head up display shows information, so that it is determined that the brightness for opening headlamp influences to be C (1)=A (M+)-
A(M)；
2) it by h (x, y, z)=[L-f (x) × A (x)-g (x, y) × B (y)]/C (z), determines h (x, y, z), x=0,1 ...,
X-1, y=0, ± 1 ..., ± y, z=1.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996451A (en) * | 2019-12-10 | 2020-04-10 | 中船航海科技有限责任公司 | Light modulation control device for ship cab light environment human factor engineering effect |
| CN112083790A (en) * | 2020-08-03 | 2020-12-15 | 长城汽车股份有限公司 | Control method and device |
| CN113377202A (en) * | 2021-06-25 | 2021-09-10 | 杭州炽云科技有限公司 | Head-up display method and system based on ARHUD |
| WO2021218836A1 (en) * | 2020-04-26 | 2021-11-04 | 中国第一汽车股份有限公司 | Method and system for adjusting height of head-up display image, and vehicle |
| CN114296375A (en) * | 2021-12-21 | 2022-04-08 | 徐州重型机械有限公司 | Automatic control method and system for vehicle-mounted display device and engineering vehicle |
| CN114550674A (en) * | 2020-11-26 | 2022-05-27 | 北京新能源汽车股份有限公司 | Display screen brightness control method, device and equipment and automobile |
| CN117008346A (en) * | 2023-10-07 | 2023-11-07 | 泽景(西安)汽车电子有限责任公司 | Display brightness control method and device, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770695A (en) * | 2014-01-24 | 2014-05-07 | 南通苏禾车灯配件有限公司 | Vehicle lamp brightness adjusting system |
| CN105529002A (en) * | 2014-09-30 | 2016-04-27 | 青岛海信信芯科技有限公司 | Method and device for determining luminance compensation coefficients |
| CN106461938A (en) * | 2013-12-20 | 2017-02-22 | 法雷奥舒适驾驶助手公司 | System and method for controlling the luminosity of a head-up display and display using said system |
| CN108510963A (en) * | 2018-04-17 | 2018-09-07 | Oppo广东移动通信有限公司 | Method of adjustment, device, storage medium and the intelligent terminal of screen intensity |
| CN108682402A (en) * | 2018-04-26 | 2018-10-19 | 绿驰汽车科技（上海）有限公司 | A kind of HUD brightness control methods and device |
| CN109491089A (en) * | 2018-10-16 | 2019-03-19 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of vehicle-mounted AR-HUD based on DLP |
-
2019
- 2019-06-25 CN CN201910551687.0A patent/CN110244465A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461938A (en) * | 2013-12-20 | 2017-02-22 | 法雷奥舒适驾驶助手公司 | System and method for controlling the luminosity of a head-up display and display using said system |
| CN103770695A (en) * | 2014-01-24 | 2014-05-07 | 南通苏禾车灯配件有限公司 | Vehicle lamp brightness adjusting system |
| CN105529002A (en) * | 2014-09-30 | 2016-04-27 | 青岛海信信芯科技有限公司 | Method and device for determining luminance compensation coefficients |
| CN108510963A (en) * | 2018-04-17 | 2018-09-07 | Oppo广东移动通信有限公司 | Method of adjustment, device, storage medium and the intelligent terminal of screen intensity |
| CN108682402A (en) * | 2018-04-26 | 2018-10-19 | 绿驰汽车科技（上海）有限公司 | A kind of HUD brightness control methods and device |
| CN109491089A (en) * | 2018-10-16 | 2019-03-19 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of vehicle-mounted AR-HUD based on DLP |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996451A (en) * | 2019-12-10 | 2020-04-10 | 中船航海科技有限责任公司 | Light modulation control device for ship cab light environment human factor engineering effect |
| WO2021218836A1 (en) * | 2020-04-26 | 2021-11-04 | 中国第一汽车股份有限公司 | Method and system for adjusting height of head-up display image, and vehicle |
| CN112083790A (en) * | 2020-08-03 | 2020-12-15 | 长城汽车股份有限公司 | Control method and device |
| CN114550674A (en) * | 2020-11-26 | 2022-05-27 | 北京新能源汽车股份有限公司 | Display screen brightness control method, device and equipment and automobile |
| CN114550674B (en) * | 2020-11-26 | 2023-08-22 | 北京新能源汽车股份有限公司 | Display screen brightness control method, device, equipment and automobile |
| CN113377202A (en) * | 2021-06-25 | 2021-09-10 | 杭州炽云科技有限公司 | Head-up display method and system based on ARHUD |
| CN114296375A (en) * | 2021-12-21 | 2022-04-08 | 徐州重型机械有限公司 | Automatic control method and system for vehicle-mounted display device and engineering vehicle |
| CN117008346A (en) * | 2023-10-07 | 2023-11-07 | 泽景(西安)汽车电子有限责任公司 | Display brightness control method and device, electronic equipment and storage medium |
| CN117008346B (en) * | 2023-10-07 | 2024-01-12 | 泽景(西安)汽车电子有限责任公司 | Display brightness control method and device, electronic equipment and storage medium |
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Application publication date: 20190917 |