CN206664228U - Active anti-dazzle device based on OLED Display Techniques - Google Patents
Active anti-dazzle device based on OLED Display Techniques Download PDFInfo
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- CN206664228U CN206664228U CN201720490336.XU CN201720490336U CN206664228U CN 206664228 U CN206664228 U CN 206664228U CN 201720490336 U CN201720490336 U CN 201720490336U CN 206664228 U CN206664228 U CN 206664228U
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- light source
- subregion
- windshield
- detection device
- controller
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Abstract
It the utility model is related to a kind of active anti-dazzle device based on OLED Display Techniques,Including windshield,OLED organic films,Controller,Light source intensity detection device,Light source position detection device and human eye location equipment,OLED organic films it is compound enter windshield layer glass among,Layer glass is bound together by glue hot pressing,OLED organic films are provided with some separate subregions,Each subregion,Light source intensity detection device,Light source position detection device and the equal data of human eye location equipment are connected to controller,The power on/off and driving voltage size of each subregion are controlled by controller,Controller uses vehicle-mounted ADAS systems built-in controller,Light source intensity detection device and light source position detection device use ADAS system built-in light source detection devices,Human eye location equipment uses interior human eye location equipment built in ADAS systems.The utility model can be actively anti-glare, improves travel safety, effectively delays automotive trim aging.
Description
Technical field
The active anti-dazzle device on a kind of automobile is the utility model is related to, belongs to technical field of automobile illumination.
Background technology
With the rapid development of automotive engineering, automobile driving safe is increasingly taken seriously.Especially nighttime driving when, opposite
Strong light under the light of the automobile of traveling, the light of the flash lamp of road surface camera and various emergency cases can stimulate driver
Eyes are dazzling so as to cause.At present, conventional anti-glare mode has anti-glare headlamp, dazzle prevention spectacles and anti-glare liquid
Crystalline substance screen etc..Wherein, anti-glare headlamp can reduce to a certain extent makes opposite vehicle driver produce dazzling risk, but
It is if opposite automobile does not install anti-glare headlamp, very likely to produce this car driver dazzling, so as to this dangerous car
Driver drives vehicle safety.Although it is dazzling that dazzle prevention spectacles can prevent that this car driver from producing, it is required that driver must be all the time
The glasses are worn, very big inconvenience is brought to driver, and dazzling glasses and the strong light such as sunshine can not be prevented to inject Ben Cheche
It is interior, therefore can not suppress or delay thus caused interior trim aging.
The content of the invention
To solve the above mentioned problem of prior art, the utility model, which provides a kind of active based on OLED Display Techniques, to be prevented
Dazzling device, the device adapt to the continually changing feature of running car ambient light line, detect, judge in real time and be as needed
The light transmission rate of windshield is adjusted, anti-glare purpose is realized, not only improves travel safety, also effectively extend automotive trim
Service life.
Main technical schemes of the present utility model have：
A kind of active anti-dazzle device based on OLED Display Techniques, including windshield, OLED organic films, control
Device, light source intensity detection device, light source position detection device and human eye location equipment, the OLED organic films it is compound enter it is described
Among the layer glass of windshield, layer glass is bound together by glue hot pressing, if the OLED organic films are provided with
Dry separate OLED organic film subregion, each OLED organic films subregion, light source intensity detection device, light source
Location detecting apparatus and the equal data of human eye location equipment are connected to the controller, the power on/off and driving voltage of each subregion
Size is controlled by the controller.
Data-interface can be provided with the windshield, each subregion of the windshield is connect by the data
Mouth carries out data interaction with the controller.
The light source intensity detection device can use camera and/or light sensor, and the light source position detection is set
Standby to use camera and/or light sensor, the human eye location equipment is preferably camera.
The human eye location equipment further preferably uses three-dimensional camera.
The controller preferably uses the built-in controller of vehicle-mounted ADAS systems, the light source intensity detection device and light source
Location detecting apparatus can be the same as described in using the light source detection apparatus built in the ADAS systems, the human eye location equipment uses
Human eye location equipment built in ADAS systems.
The built-in controller includes control unit and memory cell, the memory cell, light source detection apparatus and built-in
Human eye location equipment be connected with described control unit.
The subregion can rule or irregular alignment, the shapes and sizes of each subregion it is identical or different.
Close to the small and dense collection of subregion of this car driver's eyes, the subregion away from this car driver's eyes is big and sparse.
The windshield is front windshield, and the subregion arranges in M row N column matrix formula, wherein M >=1 and N >=2 or
Person M >=2 and N >=1.
The windshield is front windshield, and the subregion is in center radial distribution, and the center drives for this car
Intersection point or a subregion comprising the intersection point for sight and front windshield during member's look straight ahead.
The beneficial effects of the utility model are：
The utility model adjusts this car windshield difference in real time according to the real-time testing result of the light intensity to Chinese herbaceous peony light
The gray value regulation light transmission rate of OLED organic film subregions, prevent in driving conditions that front comes in various may cause to dazzle
Purpose light stimulates the eyes of this car driver, avoids producing dazzling, and the dizzy of direct sunlight and reflected light can be prevented on daytime
Mesh, it can prevent from dazzling the eyes caused by opposite vehicular high beam and traffic camera flash lamp at night, greatly reduce traffic accident
Incidence, improve the travel safety of this car.
Because the detection of the light intensity to car outer light source and the positioning to light source, driver's eyes and windshield are entered in real time
OK, therefore the positions of target OLED organic film subregions to be adjusted can be according to dazzling the eyes light source, driver's eyes and the glass that keeps out the wind
The relative position of glass changes and real-time change, rapid reaction, real-time are good, is very suitable in the dynamic process of running car
It is actively anti-glare.
Due to being that the control of OLED organic films subregion light transmission rate each to windshield can be achieved using vehicle-mounted ADAS systems
System and the detection to environment so that corresponding anti-glare method is very easy to implement, control section be not required to pay it is extra it is high into
This input.
The utility model can effectively ensure the traffic safety of this car driver, and easy to use, and control is flexible, will not
The sense of discomfort of long periods of wear is brought to driver as shading eyes.
When automobile is in non-driving state, can be adjusted with automatic or manual the gray values of all OLED organic films subregions to
Maximum, windshield is in complete opaque state, can effectively prevent sunray from injecting automotive interior and causing automotive trim
Aging, delay the service life of automotive trim.
Brief description of the drawings
Fig. 1 is the anti-glare schematic diagram for being directed to common several external light sources；
Fig. 2 is the partial enlarged drawing of one embodiment；
Fig. 3 is tetra- light intersection points of a, b, c, d in the utility model embodiment in windshield OLED organic film subregions
Position view；
Fig. 4 is windshield OLED organic films point where tetra- light intersection points of a, b, c, d in the utility model embodiment
The gray value adjustment schematic diagram in area；
Fig. 5 is the workflow diagram of the anti-glare method of active of the present utility model；
The structure principle chart of Fig. 6 positions active anti-dazzle device of the present utility model.
Reference：1. opposite running automobile；The light that 1-1. opposites running automobile headlamp is sent；1-2. is by road surface
Light after rain return；2. road surface camera；The light that 2-1. road surfaces camera is sent；3. the sun；3-1. sunray；4.
The automobile of active anti-dazzle device of the present utility model is installed；A 5. car driver's eyes；6. vehicle-mounted ADAS systems；7. keep out the wind
Glass；A, b, c, d are respectively light 1-1,1-2,2-1,3-1 and windshield for injecting driver's eyes intersection point；A、B、C、D
Respectively intersection point a, b, c, d on the windshield where OLED organic film subregions；E. An Intense Beam of Light light is in windshield
The dazzling region of upper formation；E. dazzling region e occupied OLED organic film subregions on the windshield.
Embodiment
The utility model discloses a kind of active anti-dazzle device based on OLED Display Techniques, as shown in figures 1 to 6, including
Windshield 7, OLED organic films, controller, light source intensity detection device, light source position detection device and human eye positioning are set
It is standby, the OLED organic films it is compound enter the windshield layer glass among, layer glass is bound by glue hot pressing
Together, the OLED organic films are provided with several separate OLED organic films subregions (may be simply referred to as subregion), respectively
Individual subregion is connected by corresponding electrode with external circuit.Each OLED organic films subregion, the light of the windshield
Source light-intensity test equipment, light source position detection device and the equal data of human eye location equipment are connected to the controller, each subregion
Power on/off and driving voltage size controlled by the controller, the light source intensity detection device and light source position detection are set
The detection target put is light intensity and the position of car outer light source, and the positioning target of the human eye location equipment is the eye of this car driver
Eyeball 5.
The gray value of the OLED organic films subregion changes with the change of driving voltage, therefore can pass through regulation
The driving voltage of each subregion changes the light transmission rate of each subregion.Light transmission rate and driving voltage are in inverse correlation relation, driving
Voltage is bigger, and gray value is higher, and transmitance is lower.When imposing maximum allowable driving voltage, corresponding OLED organic films subregion
Gray value highest, light transmission rate is minimum, and corresponding OLED organic films subregion is in complete opaque state；When the power is turned off,
OLED organic film gray values are minimum, light transmission rate highest, and corresponding OLED organic films subregion is in fully transparent state.Initial shape
Each subregion is first controlled to be in fully transparent state under state (such as during automobile starting).
Operation principle of the present utility model is：The each of the front of automobile 4 is detected in real time using the light source intensity detection device
The light intensity of class light source, if the light intensity of light source is more than or equal to the light intensity value set in advance, it is judged as respective sources meeting
This car driver is caused dazzling.The light intensity value set in advance is that the windshield can be led when being in fully transparent state
Cause the minimum light intensity value that this car driver is dazzling.It cause dazzling light source (can be called this car driver if there is meeting
Dazzling light source), then this kind of light source is positioned by the light source position detection device, determine that the space of respective sources is sat
The eyes 5 and windshield of this car driver are positioned by mark using the human eye location equipment, determine eyes and the glass that keeps out the wind
The space coordinates of glass, calculate the light (also accordingly be referred to as dazzling light) of respective sources directive this car driver's eyes with it is described
The intersecting point coordinate of windshield, and the subregion belonging to corresponding intersection point is determined, adjust phase between maximum allowable driving voltage zero
The driving voltage of subregion is answered, changes the light transmission rate of respective partition, to reduce the light intensity for the light for injecting human eye, makes to pass through subregion
Light reach not dazzling degree, thus avoid causing driver dazzling.When meeting cause dazzling light source to this car driver
When switching to be not present by existing, then the subregion that light transmission rate is lowered by is adjusted to fully transparent state again.
When automobile is in non-driving state (such as flameout state), it can directly make the ash of each OLED organic films subregion
Angle value highest, light transmission rate is minimum, all OLED organic films subregions is in complete opaque state；Or can be in vapour
The maximum of the light intensity of the various types of light sources of front side just causes the gray value of each OLED organic films subregion most when exceeding setting value
Height, light transmission rate is minimum, all OLED organic films subregions is in complete opaque state.Non- traveling shape is in for automobile
Control during state, it can effectively prevent sunray from injecting automotive interior and causing automotive trim aging.
Due to windshield, position is fixed on vehicle body, therefore the plane equation of generally windshield is known.
When being positioned using human eye location equipment fixed on vehicle body to the eyes of this car driver, can also realize simultaneously to keeping out the wind
Positioning under the same coordinate system of glass, therefore the positioning of the two can use same set of care testing device.
The various types of light sources of vehicle front can be the common light source that the present embodiment is enumerated, such as the car of opposite driving vehicle 1
The thorn that the light 2-1 and the sun 3 that light 1-1 that lamp is sent, light 1-2, the road surface camera 2 of surface gathered water reflection are sent are sent
The sunray 3-1 of eye, can also be that other are likely to cause the dazzling light source of driver.
When the light source is that (i.e. light source area is sufficiently small compared with the distance of light source to target point, and the light source can for spot light
To see particle as) when, the light of eyes of spot light directive this car driver and the intersection point of the front windshield and
The affiliated subregion of the intersection point only has one respectively.
When the light source is not spot light, multiple luminous points can be chosen on the light source, and it is luminous to obtain these
The space coordinates of point, then the friendship of the light and the windshield of the eyes of these luminous points directive this car driver is calculated respectively
Point coordinates.Or more excellent mode is first to obtain the border of the light source, then the border is divided into some sections (such as not small
In 10 sections), the space coordinates of these separations is obtained respectively, calculates the light from these separation directive this car driver's eyes
With the intersecting point coordinate of the windshield.The intersection point corresponding to this light source is multiple, and the affiliated subregion of these intersection points is usual
Also to be multiple.It is involved each to being adjusted between maximum allowable driving voltage zero after determining the subregion belonging to these intersection points
The driving voltage of subregion, compared to the light transmission rate that fully transparent state reduces respective partition, injection driver's eyes can be made
Light is no longer dazzling.Such as the An Intense Beam of Light light emitted by the as such light sources of the e in Fig. 3,4 is formed on the windshield
Dazzling region, E is the set of the dazzling region occupied subregion on the windshield.
Be provided with data-interface on the windshield, each subregion of the windshield by the data-interface with
The controller carries out data interaction.
The light source intensity detection device and light source position detection device are preferably provided at the center residing for automobile rearview mirror
Position, so advantageously ensure that the light for detecting all injection driver's eyes.
The light source intensity detection device can use camera and/or light sensor, and the light source position detection is set
It is standby to use camera and/or light sensor, therefore the detection of the light intensity of the light source and position can be by same set of
Detection device is completed.The human eye location equipment is preferably camera, further preferably using three-dimensional camera.
In the present embodiment, the controller preferably uses the built-in controller of vehicle-mounted ADAS systems 6, and built-in controller passes through
Plug-in realizes whether dazzling judgement, the calculating of intersecting point coordinate, intersection point institute can be caused to this car driver to the light source
Belong to the determination of subregion and the regulation of subregion driving voltage.The light source intensity detection device and light source position detection device are same to be adopted
With the light source detection apparatus built in the ADAS systems, the light of built-in light source detection apparatus real time automatic detection car outer light source
By force, and by light intensity signal it is converted into electric signal.The human eye location equipment is set using the human eye positioning built in the ADAS systems
Standby, built-in human eye location equipment positions to the eyes and windshield of this car driver automatically, determines its space coordinates.
Built-in controller is with reference to the space coordinates of dazzling light source, the space coordinates of the eyes of this car driver and the windshield
Spatial coordinates calculation goes out the intersecting point coordinate of dazzling light and the windshield and determines that the intersection point is located at the windshield
On subregion.The built-in controller will be applied to corresponding according to the position automatic addressing of the affiliated subregion of determination to preparation
The related control signal of the driving voltage value of subregion passes to the respective partition of the windshield.According to the control signal,
Increase the gray value of corresponding OLED organic films subregion, be minimized the light transmission rate of respective partition, so as to prevent dazzling light
Line stimulates the eyes of this car driver.
The built-in controller includes control unit and memory cell, the memory cell, built-in light source detection apparatus
It is connected with built-in human eye location equipment with described control unit.Control program is stored in the memory cell, for institute
State control unit calling.Memory cell uses massive store unit, is preserved for detection in real time, calculating and data and provides guarantor
Barrier.
The subregion can rule or irregular alignment, the shapes and sizes of each subregion can specifically may be used with identical or different
Depending on the specification of the windshield of car and conventional running environment.
For example, it may be the small and dense collection of subregion of (1) close to this car driver's eyes, point away from this car driver's eyes
Area is big and sparse.
(2) windshield is front windshield, and the subregion arranges according to M row N column matrix formula, wherein M >=1 and N
>=2 or M >=2 and N >=1.
The quantity M*N of subregion is more, and subregion is finer, equivalent to the pixel that light transmission rate can be individually controlled on windshield
Point is more, and resolution ratio is higher, and anti-glare effect is also more accurate, and dynamic change is more smooth.
(3) windshield is front windshield, and the subregion can be in center radial distribution, and the center can be with
For this car driver's look straight ahead when sight and front windshield intersection point or a subregion comprising the intersection point.
(1), in (3) on the position of this car driver's eyes and default the be based on imaginary driver of sight,
The position of its eye and sight can determine according to driver eye positions' data area with statistical significance.
Region occupied by the OLED organic films preferably covers monoblock front windshield, i.e. whole between layer glass
Region is all compounded with the OLED organic films.
The windshield is also provided with driving voltage for controlling its whole OLED organic films subregion in zero-sum
The hand switch switched between maximum allowable driving voltage, when switching to zero, whole subregions are in fully transparent state, when cutting
When shifting to maximum allowable driving voltage, whole subregions are in the minimum complete opaque state of light transmission rate.After automobile flameout,
Each subregion can be controlled to be completely in complete opaque state manually, prevent the strong light such as sunshine from injecting this car in-car, suppress or
Delay thus caused interior trim aging, as needed each subregion can also be controlled to be completely in fully transparent state manually, so as to
Observe Chinese herbaceous peony situation.
The working condition of the present embodiment is as follows：
In the process of moving, the strong light for having many external worlds injects driver to the automobile 4 for being mounted with active anti-dazzle apparatus
Eyes 5, common are:The light 1-1 that the headlamp of automobile 1 of Facing Movement is sent, the light 1-2 of rainy day ground return, road
The light 3-1 that the sun 3 is sent when light 2-1 and fine day that face camera 2 is sent.Above-mentioned light can stimulate the eyes of driver,
Result even in traffic accident.
This car normal driving and it is extraneous also without strong light incidence in the case of, 7 all subregions of windshield are in leading to
Electricity condition, windshield are in fully transparent state.
When there is strong illumination windshield, the light sensor in vehicle-mounted ADAS systems 6 can obtain optical signal automatically simultaneously
Optical signal is changed into electric signal.Control program is built-in with vehicle-mounted ADAS systems in memory cell, control unit calls control
Whether procedure judges light 1-1,1-2,2-1,3-1 are more than light intensity value set in advance, if being less than light set in advance
Intensity values, do not process；If light intensity is more than light intensity value set in advance, start to automatically adjust windshield light transmission rate.
Sensor is more than light 1-1,1-2,2-1,3-1 of light intensity value set in advance light source position according to tracking light intensity
Put, the camera of ADAS systems obtains the space coordinates of corresponding light source 1,2,3 in real time, the space coordinates of driver's eyes 5 with
And the plane equation of windshield, calculate light 1-1,1-2,2-1,3-1 and windshield for injecting driver's eyes friendship
Point a, b, c, d and its subregion A, B, C, D in windshield.The conversion of above-mentioned space coordinates and intersection point calculation algorithm can be with
Realized by software program, the implementation method can be using well known to a person skilled in the art method.
The control unit being arranged in vehicle-mounted ADAS systems according to intersection point a, b, c, the d and its partition number A, B calculated,
C, D, by automatic addressing function, described subregion A, B, C, D driving voltage are adjusted, so as to change above-mentioned subregion A, B, C, D
Light transmission rate, make corresponding to light 1-1,1-2,2-1,3-1 will not allow glare of driver.
When ambient remitted its fury, described control unit can improve subregion A, B, C, D light transmission rate therewith, if
Light is attenuated to when being no longer dazzling light, and it is complete transparent that described control unit will switch back into described subregion A, B, C, D
State.
Claims (10)
- A kind of 1. active anti-dazzle device based on OLED Display Techniques, it is characterised in that：It is organic thin including windshield, OLED Film, controller, light source intensity detection device, light source position detection device and human eye location equipment, the OLED organic films are answered Close among the layer glass of the windshield, layer glass is bound together by glue hot pressing, and the OLED is organic thin Film is provided with several separate OLED organic film subregions, each OLED organic films subregion, light source intensity detection Equipment, light source position detection device and the equal data of human eye location equipment are connected to the controller, the power on/off of each subregion with And driving voltage size is controlled by the controller.
- 2. active anti-dazzle device as claimed in claim 1, it is characterised in that：Data are provided with the windshield to connect Mouthful, each subregion of the windshield carries out data interaction by the data-interface and the controller.
- 3. active anti-dazzle device as claimed in claim 2, it is characterised in that：The light source intensity detection device is using shooting Head and/or light sensor, the light source position detection device use camera and/or light sensor, the human eye positioning Equipment is camera.
- 4. active anti-dazzle device as claimed in claim 3, it is characterised in that：The human eye location equipment uses stereo camera shooting Head.
- 5. active anti-dazzle device as claimed in claim 3, it is characterised in that：The controller is using vehicle-mounted ADAS systems Built-in controller, the light source intensity detection device and light source position detection device are the same as using the light source built in the ADAS systems Detection device, the human eye location equipment is using the human eye location equipment built in the ADAS systems.
- 6. active anti-dazzle device as claimed in claim 5, it is characterised in that：The built-in controller include control unit and Memory cell, the memory cell, light source detection apparatus and built-in human eye location equipment are connected with described control unit.
- 7. the active anti-dazzle device as described in claim 1,2,3,4,5 or 6, it is characterised in that：The zoning ordinance or not Regularly arranged, the shapes and sizes of each subregion are identical or different.
- 8. the active anti-dazzle device as described in claim 1,2,3,4,5 or 6, it is characterised in that：Close to this car driver's eye The small and dense collection of subregion of eyeball, the subregion away from this car driver's eyes are big and sparse.
- 9. the active anti-dazzle device as described in claim 1,2,3,4,5 or 6, it is characterised in that：Before the windshield is Windshield, the subregion arrange in M row N column matrix formula, wherein M >=1 and N >=2 or M >=2 and N >=1.
- 10. the active anti-dazzle device as described in claim 1,2,3,4,5 or 6, it is characterised in that：Before the windshield is Windshield, the subregion are in center radial distribution, sight and front windshield when the center is this car driver's look straight ahead The intersection point of glass or a subregion comprising the intersection point.
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| CN201720490336.XU CN206664228U (en) | 2017-05-05 | 2017-05-05 | Active anti-dazzle device based on OLED Display Techniques |
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| CN201720490336.XU CN206664228U (en) | 2017-05-05 | 2017-05-05 | Active anti-dazzle device based on OLED Display Techniques |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994884A (en) * | 2017-05-05 | 2017-08-01 | 上海小糸车灯有限公司 | The anti-glare method and device of active based on OLED Display Techniques |
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2017
- 2017-05-05 CN CN201720490336.XU patent/CN206664228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994884A (en) * | 2017-05-05 | 2017-08-01 | 上海小糸车灯有限公司 | The anti-glare method and device of active based on OLED Display Techniques |
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Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |