CN206067625U - A kind of automatic anti-glare liquid crystal display screen rearview mirror - Google Patents
A kind of automatic anti-glare liquid crystal display screen rearview mirror Download PDFInfo
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- CN206067625U CN206067625U CN201620938831.8U CN201620938831U CN206067625U CN 206067625 U CN206067625 U CN 206067625U CN 201620938831 U CN201620938831 U CN 201620938831U CN 206067625 U CN206067625 U CN 206067625U
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Abstract
A kind of automatic anti-glare liquid crystal display screen rearview mirror, including first substrate, second substrate, liquid crystal layer and black film, also include：Image unit, for gathering driver's face-image；Graphics processing unit, for extracting eyes image from driver's face-image；Brightness sensor, for sending intensity information according to light luminance；Controller, it is connected with graphics processing unit and brightness sensor, for the liquid crystal molecule deflection angle of liquid crystal layer is controlled according to eyes image and intensity information, solve the problems, such as that the reflectance of available liquid crystal anti-glare inner rear-view mirror is difficult to while meeting normal condition and anti-glare state use requirement.
Description
Technical field
This utility model is related to liquid crystal modulator technical field, and in particular to a kind of automatic anti-glare liquid crystal display screen rearview mirror.
Background technology
Vehicle mirrors are the critical components that driver obtains rear view of vehicle information, are the important guarantors of vehicle safe driving
Barrier, according to statistics, the vehicle that driver is averagely come from behind when 15s can observe a rearview mirror, particularly driving at night is big
The intense light of lamp can produce dazzling dazzle, serious image traffic safety, with auto industry technology by rearview mirror
Long-run development, the anti-glare effect of inside-automobile rear mirror are also constantly being improved.Automobile passes through interior backsight in driving procedure
Mirror obtains front vehicle information, and the relative light intensity of the image definition and image of inside rear-view mirror has direct relation, such as daytime
Image, the uniform intensity of various pieces, imaging source do not have high light to send, and brightness of image and ambient light are close to and very clear
It is clear, and at night, the car light of the automobile at rear has high light to send, car light image is far longer than the image intensity of other parts, when
During driver's observation rear situation, dazzling car light can disturb the sight line of driver, and the image blur in mirror, easily send out
Raw vehicle accident, here it is the dazzling problem often said, is this problem of solution, and scientist has carried out many researchs, and electrochromism
It is the major programme of solution with liquid crystal, electrochromic advantage is lacking for normal condition, reflectance height, imaging clearly, but maximum
It is that its response speed is very slow to fall into, most short also to want more than 2s, in fast changing driving procedure, time mistake；Liquid crystal backsight
Fringe time is generally smaller than 100ms, but the subject matter of liquid crystal anti-glare inside rear-view mirror is the reflectance of normal condition and prevents
Dazzle the eyes the reflectance of state to be difficult to while taking into account, if the high reflectance under meeting normal condition, can cause to dazzle the eyes situation to occur,
If meeting the antiradar reflectivity under anti-glare state, the image definition under normal condition can be affected.
The content of the invention
Therefore, the technical problems to be solved in the utility model is to overcome liquid crystal anti-glare inside rear-view mirror in prior art
Reflectance is difficult to while meeting the defect of normal condition and anti-glare state use requirement.
A kind of in view of this, automatic anti-glare liquid crystal display screen rearview mirror of this utility model embodiment offer, including first substrate,
Second substrate, liquid crystal layer and black film, also include：Image unit, for gathering driver's face-image；Graphics processing unit,
For extracting eyes image from driver's face-image；Brightness sensor, for sending light intensity according to light luminance
Degree information；Controller, is connected with described image processing unit and the brightness sensor, for according to the eyes image and
The intensity information controls the liquid crystal molecule deflection angle of liquid crystal layer.
Further, the first substrate arranges first substrate electrode, the second substrate towards the liquid crystal layer side
Towards the liquid crystal layer side, second substrate electrode is set.
Further, the liquid crystal layer is made up of with non-conductive interval insulant liquid crystal molecule.
Further, the liquid crystal layer is to be mounted in the first substrate and the second base by sealing ring and/or sealant sealing
Between plate.
Further, the black film is arranged at the second substrate away from the liquid crystal layer side.
Further, the brightness sensor levels and inside rear-view mirror is symmetricly set on towards driver side.
Further, the controller is arranged at the second substrate away from the liquid crystal layer side.
Further, the image unit is integrated in the controller with graphics processing unit.
This utility model provide a kind of automatic anti-glare liquid crystal display screen rearview mirror, be provided with controller, brightness sensor,
Image unit and graphics processing unit, gather the facial information of driver using image unit and are sent to image procossing list
Unit, driver's facial information that the image unit for receiving is transmitted by graphics processing unit, by processing and identifying driver
Eye receives the light intensity of rearview mirror reflection, feeds back to controller, and controller is by with reference to graphics processing unit and light
Luminance sensor information, adjusts the electricity size of first substrate electrode and second substrate electrode, changes the liquid crystal molecule of liquid crystal layer
Deflection angle, adjusts reflectance of the rearview mirror under normal condition and anti-glare state, solves the reflectance of normal condition
The problem while taking into account is difficult to the reflectance of anti-glare state, and is arranged on the black film on second substrate be conducive to increasing on state of
Reflectance under state, increases the definition of liquid crystal display screen rearview mirror.
Description of the drawings
In order that content of the present utility model is more likely to be clearly understood, it is embodied as below according to of the present utility model
Example simultaneously combines accompanying drawing, and this utility model is described in further detail, wherein
A kind of structural representation of automatic anti-glare liquid crystal display screen rearview mirror that Fig. 1 is provided for this utility model embodiment；
A kind of structural representation of automatic anti-glare liquid crystal display screen rearview mirror that Fig. 2 is provided for this utility model embodiment.
Specific embodiment
This utility model provide a kind of automatic anti-glare liquid crystal display screen rearview mirror, as shown in figure 1, including first substrate 11,
In first substrate electrode 12, encapsulant 13, second substrate electrode 14, second substrate 15 and black film 16, wherein liquid crystal layer 22
Including liquid crystal molecule 20 and non-conductive interval insulant 21, non-conductive interval insulant 21 is used to support first substrate 11 and the second base
Plate 15, as shown in Fig. 2 including；Image unit 31, graphics processing unit 32, brightness sensor 33 and controller 34；
Image unit 31, for gathering driver's face-image；Graphics processing unit 32, for from driver's face-image
Middle extraction eyes image；Brightness sensor 33, for sending intensity information according to light luminance；Controller 34, with image
Processing unit 32 and brightness sensor 33 connect, for the liquid crystal of liquid crystal layer 22 is controlled according to eyes image and intensity information
20 deflection angle of molecule.
Specifically, liquid crystal layer 22 is encapsulated between first substrate 11 and second substrate 15, and first substrate 11 deviates from liquid crystal layer
22 one side is minute surface, is arranged at second substrate 15 away from 22 side of liquid crystal layer or is arranged on second substrate 15 and second substrate
It is black film 16 between electrode 14, black film 16 causes inside rear-view mirror on normal condition, i.e. light luminance uniform daytime, improves backsight
The reflectance of mirror, becomes apparent from the field of vision of rearview mirror；First substrate electrode 12 is arranged on first substrate 11 towards liquid crystal layer
22 sides, second substrate electrode 14 are arranged on second substrate 15 towards 22 side of liquid crystal layer, can arrange in second substrate 15
Display floater, for display image according to actual needs, can be traffic information or GPS information etc.；Brightness sensor 33, uses
The brightness of inside rear-view mirror is irradiated in sensing rear car, and is transferred to controller 34, image unit 31 gathers the face of driver
Information is simultaneously sent to graphics processing unit 32, the driver face that the image unit 31 for receiving is transmitted by graphics processing unit 32
Information, by processing and identifying that driver eye receives the light intensity of rearview mirror reflection, feeds back to controller 34, controls
Device 34 is by with reference to 33 information of graphics processing unit 32 and brightness sensor, adjustment first substrate electrode 12 and second substrate
The electricity size of electrode 14, then change liquid crystal layer 22 20 deflection angle of liquid crystal molecule, adjustment rearview mirror normal condition with
And the reflectance under anti-glare state.
A kind of automatic anti-glare liquid crystal display screen rearview mirror that this utility model is provided, by image unit and graphics processing unit
Driver's facial information is received and processes, while identifying that driver eye receives the light intensity of rearview mirror reflection, feedback
To controller, controller is by with reference to graphics processing unit and brightness sensor information, changing first substrate electrode and the
The electricity size of two electrode of substrate, adjusts the liquid crystal molecule deflection angle and rearview mirror of liquid crystal layer in normal condition and anti-dazzle
Reflectance under mesh state, the reflectance for solving the reflectance and anti-glare state of normal condition are difficult to while that what is taken into account asks
Topic.
Preferably, liquid crystal layer is mounted between the first substrate and second substrate by sealing ring and/or sealant sealing,
It is made up of with non-conductive interval insulant liquid crystal molecule.
Specifically, the encapsulation of liquid crystal layer can by sealing ring or fluid sealant by liquid crystal layer be encapsulated in first substrate with
Between second substrate, it is also possible to while the encapsulation of liquid crystal layer is realized by the way of sealing ring is engaged with fluid sealant, in order to increase
Seal up the reliability of dress, it is preferred to use the mode that sealing ring is engaged with both fluid sealants realizes the encapsulation of liquid crystal layer；In liquid crystal
Also include in addition to liquid crystal molecule material in the middle of layer for supporting the non-conductive interval insulant of first substrate and second substrate, no
Conducting interval material can be plastic ball, for supporting first substrate and second substrate.
The automatic anti-glare liquid crystal display screen rearview mirror that this utility model embodiment is provided, by arranging non-conductive in liquid crystal layer
Barrier material, prevents first substrate and second substrate and other dependency structures from extruding liquid crystal layer so that liquid crystal layer is deformed upon, due to
The supporting role of non-conductive interval insulant, defines the uniform on state of and dark-state of whole backsight minute surface, while meeting normal condition
With the anti-glare sense organ visual field in good condition.
Preferably, brightness sensor levels and rearview mirror is symmetricly set on towards driver side, controller is arranged at
Second substrate deviates from liquid crystal layer side, and image unit is integrated in the controller with graphics processing unit.
Specifically, brightness sensor is used to sense the brightness that rear car is irradiated to rearview mirror, and is transferred to controller, light
Luminance sensor can be symmetricly set on inside rear-view mirror towards the horizontal both sides of driver, it is also possible to which setting is distributed in close at the same time
The side arrangement of driver, in order to brightness sensor can more accurately sense light luminance, the present embodiment is preferably symmetrical arranged
In inside rear-view mirror towards the horizontal both sides arrangement of driver；Controller is by control first substrate electrode and the electricity of second substrate electrode
Amount changes the reflectance of liquid crystal layer liquid crystal molecule, can be arranged at second substrate away from the liquid crystal layer side or be integrated in car
Electronic control unit ECU in, be installed on maintenance for convenience, be preferably disposed on second substrate away from liquid crystal layer side；Take the photograph
As unit and graphics processing unit can be arranged on second substrate away from liquid crystal layer side simultaneously, it is also possible to which the two is integrated in control
In device processed, in order to reduce rearview mirror volume, it is preferably integrated in the controller.
A kind of automatic anti-glare liquid crystal display screen rearview mirror that above-described embodiment is provided, by brightness sensor sensing rearview mirror
, to controller, controller is by controlling the first base for brightness, driver eye's information simultaneous transmission of graphics processing unit process
Plate electrode and second substrate electrode electricity, change the liquid crystal molecule deflection angle of liquid crystal layer, adjust then rearview mirror in normal shape
Reflectance under state and anti-glare state, the reflectance for solving the reflectance and anti-glare state of normal condition are difficult to take into account
Problem.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or
Among changing the protection domain created still in this utility model.
Claims (8)
1. a kind of automatic anti-glare liquid crystal display screen rearview mirror, including first substrate, second substrate, liquid crystal layer and black film, its feature
It is also to include：
Image unit, for gathering driver's face-image；
Graphics processing unit, for extracting eyes image from driver's face-image；
Brightness sensor, for sending intensity information according to light luminance；
Controller, is connected with described image processing unit and the brightness sensor, for according to the eyes image and institute
State the liquid crystal molecule deflection angle that intensity information controls liquid crystal layer.
2. automatic anti-glare liquid crystal display screen rearview mirror according to claim 1, it is characterised in that the first substrate is towards institute
State liquid crystal layer side and first substrate electrode is set, the second substrate arranges second substrate electrode towards the liquid crystal layer side.
3. automatic anti-glare liquid crystal display screen rearview mirror according to claim 2, it is characterised in that the liquid crystal layer is by liquid crystal point
It is sub to constitute with non-conductive interval insulant.
4. automatic anti-glare liquid crystal display screen rearview mirror according to claim 3, it is characterised in that the liquid crystal layer is by close
Seal and/or sealant sealing are mounted between the first substrate and second substrate.
5. automatic anti-glare liquid crystal display screen rearview mirror according to claim 2, it is characterised in that the black film is arranged at described
Second substrate deviates from the liquid crystal layer side.
6. automatic anti-glare liquid crystal display screen rearview mirror according to claim 5, it is characterised in that the brightness sensor water
Put down and rearview mirror is symmetricly set on towards driver side.
7. automatic anti-glare liquid crystal display screen rearview mirror according to claim 6, it is characterised in that the controller is arranged at institute
Second substrate is stated away from the liquid crystal layer side.
8. the automatic anti-glare liquid crystal display screen rearview mirror according to any one of claim 1-7, it is characterised in that the shooting list
Unit is integrated in the controller with graphics processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938831.8U CN206067625U (en) | 2016-08-24 | 2016-08-24 | A kind of automatic anti-glare liquid crystal display screen rearview mirror |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620938831.8U CN206067625U (en) | 2016-08-24 | 2016-08-24 | A kind of automatic anti-glare liquid crystal display screen rearview mirror |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199950A (en) * | 2017-05-31 | 2017-09-26 | 苏州鑫河镜业有限公司 | A kind of rearview mirror and its method of work with light regulatory function |
| CN109367484A (en) * | 2018-10-26 | 2019-02-22 | 深圳创维汽车智能有限公司 | Automobile rearview mirror |
| CN109415016A (en) * | 2017-06-16 | 2019-03-01 | 京东方科技集团股份有限公司 | The method of the interactive control devices and control vehicle mirrors of view-based access control model |
| CN110853563A (en) * | 2019-11-18 | 2020-02-28 | 深圳传音控股股份有限公司 | Mirror-based image processing method, mobile terminal and computer storage medium |
-
2016
- 2016-08-24 CN CN201620938831.8U patent/CN206067625U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199950A (en) * | 2017-05-31 | 2017-09-26 | 苏州鑫河镜业有限公司 | A kind of rearview mirror and its method of work with light regulatory function |
| CN109415016A (en) * | 2017-06-16 | 2019-03-01 | 京东方科技集团股份有限公司 | The method of the interactive control devices and control vehicle mirrors of view-based access control model |
| CN109415016B (en) * | 2017-06-16 | 2022-06-28 | 京东方科技集团股份有限公司 | Vision-based interactive control device and method for controlling vehicle rearview mirror |
| US11400862B2 (en) | 2017-06-16 | 2022-08-02 | Boe Technology Group Co., Ltd. | Vision-based interactive control apparatus and method of controlling rear-view mirror for vehicle |
| CN109367484A (en) * | 2018-10-26 | 2019-02-22 | 深圳创维汽车智能有限公司 | Automobile rearview mirror |
| CN110853563A (en) * | 2019-11-18 | 2020-02-28 | 深圳传音控股股份有限公司 | Mirror-based image processing method, mobile terminal and computer storage medium |
| CN110853563B (en) * | 2019-11-18 | 2023-05-12 | 深圳传音控股股份有限公司 | Mirror-based image processing method, mobile terminal and computer storage medium |
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