CN109027970A - A kind of intelligence far-reaching headlamp control device and its control method - Google Patents
A kind of intelligence far-reaching headlamp control device and its control method Download PDFInfo
- Publication number
- CN109027970A CN109027970A CN201810640141.8A CN201810640141A CN109027970A CN 109027970 A CN109027970 A CN 109027970A CN 201810640141 A CN201810640141 A CN 201810640141A CN 109027970 A CN109027970 A CN 109027970A
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- CN
- China
- Prior art keywords
- panel
- substrate
- liquid crystal
- control device
- crystal molecule
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
Abstract
The present invention provides a kind of intelligent far-reaching headlamp control device and its control method, including light source, the first panel above light source, the second panel above first panel and the balancing device for controlling second panel；The light source becomes directional light through the first panel and enters second panel, and the balancing device controls direction and the intensity that directional light projects second panel according to ambient conditions.The present invention concentrates it more by the collimated light beam that first panel improves high beam, the adjusting of high beam irradiation distance is realized by balancing device and second panel, to greatly mitigate the degree of divergence of high beam and realize the function of high beam irradiation distance adjusting, to keep the traveling of driver itself traveling and other drivers safer.
Description
Technical field
The present invention relates to display device manufacturing field, in particular to a kind of intelligent far-reaching headlamp control device and its controlling party
Method.
Background technique
As the development automobile of society has been increasingly becoming popular consumer goods as walking-replacing tool, and high beam is on automobile
One of critical function, driving sight can be improved, expand field of view, especially on the pitch-dark road surface of not street lamp, open
The visual range of high beam will be far longer than dipped headlight, therefore high beam can play very traffic safety in certain circumstances
Good help.However lamplight brightness is high when opening and divergence is high for common high beam, unreasonable can be to phase using high beam
To and the eyes that carry out vehicle driver interfere or generate certain injury, make it to coming under the perception of vehicle speed and distance
Drop declines the judgment for carrying out vehicle-width, thus the fault for being easy to cause it to operate；In addition, opening distance light for front vehicle
Lamp can make front vehicles rearview mirror generate large area halation, cause front vehicles visual range to reduce, there are security risks；
Therefore, the use of high beam influences traffic safety to a certain extent.
Summary of the invention
The object of the present invention is to provide a kind of intelligent far-reaching headlamp control device and its control methods, solve existing high-beam light shining
Degree and the high problem of divergence.
The present invention provides a kind of intelligent far-reaching headlamp control device, and first panel including light source, above light source is located at
Second panel above first panel and the balancing device for controlling second panel；The light source becomes through the first panel
Enter second panel at directional light, the balancing device controls directional light according to ambient conditions and projects the direction of second panel and strong
Degree.
Further, the first panel includes the first substrate being oppositely arranged and the second substrate, and is located at first substrate
Liquid crystal molecule and polymer between the second substrate.
Further, the liquid crystal molecule is positive liquid crystal molecules or negative liquid crystal.
Further, the liquid crystal molecule uses vertical orientation.
Further, the optical index of the liquid crystal molecule and the effective refractive index of polymer are identical.
First substrate described further and the second substrate are glass substrate or flexible base board.
Further, the second panel includes the third substrate and tetrabasal being oppositely arranged, third substrate and the 4th base
It is respectively equipped with first electrode and second electrode on plate, liquid crystal molecule and dye molecule are equipped between third substrate and tetrabasal.
Further, the normal direction angle of the liquid crystal molecule and tetrabasal is 1-5 °.
The present invention also proposes a kind of control method of intelligent high beam, includes the following steps: S1: the light source as high beam
Into first panel, light source forms parallel input light through the parallel transmitted light layer of first panel and enters second panel；S2: balancing device
According to ambient conditions control second panel dye solution crystal layer turn to arrangement, control irradiation of the collimated light beam through second panel away from
From.
The present invention concentrates it more by the collimated light beam that first panel improves high beam, passes through balancing device and the
Two panels realize the adjusting of high beam irradiation distance, to greatly mitigate the degree of divergence of high beam and realize distance light light irradiation
The function that distance is adjusted, to keep the traveling of driver itself traveling and other drivers safer.
Detailed description of the invention
Fig. 1 is the intelligent far-reaching headlamp control device structural schematic diagram of the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
It the present invention rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application range as defined in the appended claims.
The present invention provides a kind of intelligent far-reaching headlamp control device, including light source 10, the first panel above light source 10
30, the second panel 40 above first panel 30 and the balancing device 20 for controlling second panel 40.Light source 10 passes through
The first panel 30 becomes directional light and enters second panel 40, and the balancing device controls directional light according to ambient conditions and projects
The direction of second panel and intensity.
First panel 30 includes the first substrate 31 that is oppositely arranged and the second substrate 32, and is located at first substrate 31 and the
The first liquid crystal molecule 33 and polymer 34 between two substrates 32, the first liquid crystal molecule 33 and polymer 34 form polymer network
Liquid crystal (PNLC) structure, the structure can make the light beam of diverging become more to converge and reach direct projection effect.First liquid crystal molecule
33 be nematic liquid crystal molecule, can be positive liquid crystal molecules or negative liquid crystal, and the first liquid crystal molecule 33 uses vertical orientation,
The optical index of first liquid crystal molecule 33 is identical as the effective refractive index of polymer 34.32 glass of first substrate 31 and the second substrate
Substrate or flexible base board.First liquid crystal molecule 33 and polymer 34 are used as parallel transmitted light layer, and light source 10 passes through parallel transmitted light layer
It forms parallel input light and enters second panel 40, the collimated light beam that first panel 30 can improve high beam concentrates it more.
Second panel 40 includes the third substrate 41 and tetrabasal 42 being oppositely arranged, and third substrate 41 is equipped with the first electricity
Pole 43, tetrabasal 42 have second electrode 44, and the second liquid crystal molecule 45 is equipped between third substrate 41 and tetrabasal 42
With dye molecule 46, the second liquid crystal molecule 45 and dye molecule 46 are thoroughly mixed together.Wherein the second liquid crystal molecule 45 and
The normal direction angle of tetrabasal 42 is 1-5 °.Second liquid crystal molecule 45 occurs to turn according to applied field intensity in second panel 40
The dynamic distance that light distance is adjusted with this.Second liquid crystal molecule 45 and dye molecule 46 form dye solution crystal layer, dye liquid crystal
The adjustable beam distance of layer.20 major function of balancing device is the dye solution crystal layer that second panel 40 is controlled according to ambient conditions
Turn to arrangement, i.e., after high beam irradiation distance be set, when vehicle driving under different road conditions (as upward slope or descending process
In), instruction is issued by sensing device and adjusts electric field strength, control liquid crystal rotation, so that light irradiation distance is always at one
More stable distance, so as to avoid the situation that light angle is excessively high or too low.
When work, the light source 10 as high beam, will be as high beam by the improvement of first panel 30 through first panel 30
Light source, which becomes collimated light beam, concentrates it more, and turn of dye solution crystal layer molecule in second panel 40 is controlled by balancing device 20
To, may be implemented accurately control high beam in collimated light beam irradiation distance, thus greatly mitigate high beam beam divergence
Degree and the function of realizing the adjusting of high beam irradiation distance, to make driver itself traveling and the traveling of other drivers more
Safety.
The present invention also proposes a kind of control method of intelligent high beam, includes the following steps: S1: the light source as high beam
10 enter first panel 30, and light source forms parallel input light through the parallel transmitted light layer of first panel 30 and enters second panel 40；S2:
Balancing device 20 turns to arrangement according to the dye solution crystal layer that ambient conditions controls second panel 40, controls collimated light beam through the second face
The irradiation distance of plate 40.
Claims (9)
1. a kind of intelligence far-reaching headlamp control device, it is characterised in that: first panel including light source, above light source is located at
Second panel above first panel and the balancing device for controlling second panel；The light source becomes through the first panel
Enter second panel at directional light, the balancing device controls directional light according to ambient conditions and projects the direction of second panel and strong
Degree.
2. intelligence far-reaching headlamp control device according to claim 1, it is characterised in that: the first panel includes opposite sets
The first substrate and the second substrate set, and the first liquid crystal molecule and polymer between first substrate and the second substrate.
3. intelligence far-reaching headlamp control device according to claim 2, it is characterised in that: first liquid crystal molecule is positivity
Liquid crystal molecule or negative liquid crystal molecule.
4. intelligence far-reaching headlamp control device according to claim 2 or 3, it is characterised in that: first liquid crystal molecule is adopted
Use vertical orientation.
5. intelligence far-reaching headlamp control device according to claim 2, it is characterised in that: the light of first liquid crystal molecule is rolled over
It is identical as the effective refractive index of polymer to penetrate rate.
6. intelligence far-reaching headlamp control device according to claim 2, it is characterised in that: the first substrate and the second substrate
For glass substrate or flexible base board.
7. intelligence far-reaching headlamp control device according to claim 1 or 2, it is characterised in that: the second panel includes phase
To the third substrate and tetrabasal of setting, it is respectively equipped with first electrode and second electrode on third substrate and tetrabasal, the
The second liquid crystal molecule and dye molecule are equipped between three substrates and tetrabasal.
8. intelligence far-reaching headlamp control device according to claim 7, it is characterised in that: second liquid crystal molecule and the 4th
The normal direction angle of substrate is 1-5 °.
9. a kind of control method of intelligence high beam, which comprises the steps of:
S1: the light source as high beam enters first panel, and light source forms parallel input light through the parallel transmitted light layer of first panel
Into second panel；
S2: balancing device turns to arrangement according to the dye solution crystal layer that ambient conditions controls second panel, and control collimated light beam is through the
The irradiation distance of two panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640141.8A CN109027970B (en) | 2018-06-21 | 2018-06-21 | Intelligent high beam lamp control device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640141.8A CN109027970B (en) | 2018-06-21 | 2018-06-21 | Intelligent high beam lamp control device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027970A true CN109027970A (en) | 2018-12-18 |
| CN109027970B CN109027970B (en) | 2020-08-04 |
Family
ID=64610339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810640141.8A Active CN109027970B (en) | 2018-06-21 | 2018-06-21 | Intelligent high beam lamp control device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027970B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413816A (en) * | 2020-04-29 | 2020-07-14 | 上海天马微电子有限公司 | Optical modulator and method for manufacturing optical modulator |
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| CN108791040A (en) * | 2018-05-31 | 2018-11-13 | 华南师范大学 | Liquid crystal lens automobile front and the method for automatically adjusting distance-light |
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| BG63155B1 (en) * | 1997-09-26 | 2001-05-31 | Светлан СТЕФАНОВ | Device for automatic limitation of light intensity |
| US20080284715A1 (en) * | 2007-05-17 | 2008-11-20 | Yasushi Kawata | Display device |
| CN102252223A (en) * | 2010-04-07 | 2011-11-23 | 索尼公司 | Lighting device and display device |
| CN103513463A (en) * | 2012-06-20 | 2014-01-15 | 三星显示有限公司 | Liquid crystal display device and method of manufacturing a liquid crystal display device |
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| Publication number | Publication date |
|---|---|
| CN109027970B (en) | 2020-08-04 |
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Effective date of registration: 20200828 Address after: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Patentee after: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Address before: Nanjing Crystal Valley Road in Qixia District of Nanjing City Tianyou 210033 Jiangsu province No. 7 Co-patentee before: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Patentee before: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Co-patentee before: Nanjing East China Electronic Information Technology Co.,Ltd. |
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