CN106292007A - A kind of anti-glare liquid crystal rearview mirror - Google Patents
A kind of anti-glare liquid crystal rearview mirror Download PDFInfo
- Publication number
- CN106292007A CN106292007A CN201610808902.7A CN201610808902A CN106292007A CN 106292007 A CN106292007 A CN 106292007A CN 201610808902 A CN201610808902 A CN 201610808902A CN 106292007 A CN106292007 A CN 106292007A
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- China
- Prior art keywords
- liquid crystal
- rearview mirror
- light
- glare
- glass substrate
- Prior art date
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
- B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
- B60R1/088—Anti-glare mirrors, e.g. "day-night" mirrors using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13318—Circuits comprising a photodetector
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of anti-glare liquid crystal rearview mirror, including shell, liquid crystal rearview mirror module, photosensitive control module；Wherein, liquid crystal rearview mirror module includes the reflecting mirror for reflecting light, for controlling the liquid-crystalline glasses of radiation direction, power subsystem；Described photosensitive control module includes light intensity sensor, control unit；Described shell is used for disposing described liquid crystal rearview mirror module, and described photosensitive control module connects liquid crystal rearview mirror module, and described photosensitive control module is based on intensity control liquid crystal rearview mirror module.The polymer network that the present invention is formed by liquid crystal monomer, light trigger and negative liquid crystal; in the case of energising; the arrangement of negative liquid crystal is converted to multidomain arrangement by common monodomain alignment; the form making the light of liquid crystal reflection is transferred to diffuse-reflectance by reflection; reduce the intensity of the light of actual rearview mirror reflection; can protect driver prominent chance strong reflective when, not by strong impulse, the incidence rate of reduction accident.
Description
Technical field
The present invention relates to a kind of anti-glare liquid crystal rearview mirror, belong to auto parts machinery field.
Background technology
At present, inside-automobile rear mirror is arranged on inside automobile bodies, and inside-automobile rear mirror is arranged on mounting bracket, installs and props up
Frame is connected with car roof.Inside-automobile rear mirror is flexibly connected with mounting bracket, can rotate around a certain axle, to reach to adjust vapour
The purpose of room mirror.
Inside-automobile rear mirror includes Wide-angle rear-view mirror mounted inside, common inside rear-view mirror and anti-glare inside rear-view mirror etc..Radix Rumicis
The surface of inside rear-view mirror is curved surface, and described curved surface is outwardly, to reach to reflect the purpose of bigger perimeter.Backsight in common
Mirror is made up of common minute surface, and inside-automobile rear mirror passes through rear windscreen, is reflected on described minute surface by the object in dead astern.
In prior art, above-mentioned tradition inside rear-view mirror there is also many technological deficiencies: inside rear-view mirror of the prior art is not
Carrying anti-glare function, night, driver travelled, and the upper beam of front vehicle may sting the eye of driver by inside rear-view mirror
Eyeball, makes driver cannot see that front vehicles, easily causes vehicle accident.
Summary of the invention
In order to solve the problems referred to above, the present invention is by providing a kind of anti-glare liquid crystal rearview mirror.
The technical solution used in the present invention is a kind of anti-glare liquid crystal rearview mirror, it is characterised in that include shell, after liquid crystal
Visor module, photosensitive control module；Wherein, liquid crystal rearview mirror module includes the reflecting mirror for reflecting light, is used for controlling light
The liquid-crystalline glasses in line direction, power subsystem；Described photosensitive control module includes light intensity sensor, control unit；Described shell is used
In disposing described liquid crystal rearview mirror module, described photosensitive control module connects liquid crystal rearview mirror module, described photosensitive control module
Based on intensity control liquid crystal rearview mirror module.
Preferably, described liquid-crystalline glasses includes two pieces of symmetrical upper and lower glass substrates, liquid crystal monomer, light trigger, bears
Property liquid crystal；Wherein, described liquid crystal monomer is under the effect of light trigger and ultraviolet light, and polymerization forms polymer network；Described negative
Property dispersed liquid crystal is in described polymer network；Described liquid crystal polymer network is between two pieces of glass substrates；Described glass
Substrate is connected with power subsystem.
Preferably, described control unit receives the light intensity value of light intensity sensor output, based on light intensity value computing driving voltage
Signal also controls power subsystem and exports this driving voltage.
Preferably, between described glass substrate, also include UV firming agent, form liquid crystal cell by UV solidification adhesive curing, described
UV solidification glue is mixed with the spacer for controlling thickness of liquid crystal box.
Preferably, the surface configuration of described glass substrate has electrode, described electrode to be electrically connected with the two poles of the earth of power subsystem.
Preferably, described glass substrate also includes the homeotropic alignment layer of polyimides, induces liquid crystal list by this both alignment layers
Unit, negative liquid crystal form the monodomain alignment being perpendicular to glass substrate.
Preferably, described driving voltage frequency is 60 hertz, and active voltage is 1V to 3V.
Preferably, described electrode receives the driving voltage of power subsystem, and described negative liquid crystal is based on driving voltage value, polymerization
The irregular form of thing network is formed in parallel with the multidomain arrangement of described glass substrate.
Beneficial effects of the present invention is the polymer network formed by liquid crystal monomer, light trigger and negative liquid crystal,
In the case of energising, the arrangement of negative liquid crystal is converted to multidomain arrangement by common monodomain alignment so that the light of liquid crystal reflection
The form of line is transferred to diffuse-reflectance by reflection, reduces the intensity of the light of actual rearview mirror reflection, driver can be protected the most anti-in prominent chance
The when of light, not by strong impulse, the incidence rate of reduction accident.
Accompanying drawing explanation
Fig. 1 show the schematic diagram of a kind of anti-glare liquid crystal rearview mirror based on the embodiment of the present invention；
Fig. 2 show the schematic diagram of single domain liquid crystal printing opacity process based on the embodiment of the present invention；
Fig. 3 show the schematic diagram of multidomain liquid crystal printing opacity process based on the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be described.
Based on inventive embodiment, a kind of anti-glare liquid crystal rearview mirror as shown in Figure 1, it is characterised in that include shell
(1), liquid crystal rearview mirror module, photosensitive control module；Wherein, liquid crystal rearview mirror module includes the reflecting mirror for reflecting light
(2), for controlling the liquid-crystalline glasses (3) of radiation direction, power subsystem (4)；Described photosensitive control module includes light intensity sensor
(5), control unit (6)；Described shell is used for disposing described liquid crystal rearview mirror module, after described photosensitive control module connects liquid crystal
Visor module, described photosensitive control module is based on intensity control liquid crystal rearview mirror module.
Shell is used for disposing liquid crystal rearview mirror module, including mounting bracket, installs housing；Reflecting mirror is general glass system
Reflecting mirror；Power subsystem is for whole rear-view mirror function, and be also mainly used in liquid-crystalline glasses provides driving voltage simultaneously；Light intensity
Sensor is mainly sensor devices (light sensitive diode), and the light intensity value measured by sensor devices by D/A converter is defeated
Going out to control unit, control unit is mainly single-chip microcomputer (for calculating and outputting drive voltage signal), is believed by driving voltage
Number, drive power subsystem to provide the driving voltage of correspondence, control liquid-crystalline glasses based on this driving voltage.
Described liquid-crystalline glasses includes two pieces of symmetrical upper and lower glass substrates (7), liquid crystal monomer, light trigger, negativity liquid
Brilliant；Wherein, described liquid crystal monomer is under the effect of light trigger and ultraviolet light, and polymerization forms polymer network；Described negativity liquid
Crystalline substance is scattered in described polymer network；Described liquid crystal polymer network is between two pieces of glass substrates；Described glass substrate
It is connected with power subsystem.
Glass substrate is the glass substrate that two block-shaped character are consistent, and its position is symmetrical, is labeled as upper and lower glass base
Plate；Glass monolith has optical polymerism, under the light trigger effect with ultraviolet, can be polymerized formation polymer network；Negativity
Liquid crystal mixes with this polymer network, and both mixing described is between two pieces of glass substrates；Glass substrate is connected with power supply.
Described control unit receives the light intensity value of light intensity sensor output, based on light intensity value computing driving voltage signal and control
Power subsystem processed exports this driving voltage.
Also including UV firming agent between described glass substrate, form liquid crystal cell by UV solidification adhesive curing, described UV solidifies
Glue is mixed with the spacer for controlling thickness of liquid crystal box.
Forming frame by UV solidification glue and spacer between glass substrate, frame is by mixed liquid crystal (negative liquid crystal, liquid
Brilliant monomer and the mixture of polymer network) surround and be enclosed in, thus form interlayer.Mixed liquid crystal is filled in two glass substrates
Between, under vertical orientated layer effect, form the monodomain alignment being perpendicular to glass substrate.
The surface configuration of described glass substrate has electrode, described electrode to be electrically connected with the two poles of the earth of power subsystem.
Glass surface has ITO to be connected to realize leading of driving voltage with the two poles of the earth of power subsystem as transparency electrode, electrode
Enter.
Described glass substrate also includes the homeotropic alignment layer of polyimides, induces liquid crystal cells, negativity by this both alignment layers
Formation of liquid crystals is perpendicular to the monodomain alignment of glass substrate.
By forming homeotropic alignment layer at glass baseplate surface coating polyimide, this both alignment layers can induce liquid crystal list
Unit, negative liquid crystal form the monodomain alignment being perpendicular to glass substrate.
Described electrode receives the driving voltage of power subsystem, and described negative liquid crystal is based on driving voltage value, polymer network
Irregular form be formed in parallel with described glass substrate multidomain arrangement.
As in figure 2 it is shown, in the case of Zheng Chang, negative liquid crystal, in the case of not having obstacle, can turn to along with voltage,
In the case of the voltage applied is consistent, it is also consistent for turning to, i.e. the form of single domain, meanwhile, the when of liquid crystal reflection light,
In substance form the situation as reflecting mirror, the light i.e. exported is reflection, (is perpendicular to glass substrate at this programme liquid crystal
In the case of, light can be directed through)；As it is shown on figure 3, and in the case of multidomain, diffuse-reflectance can be formed, it is clear that embody
Phenomenon be that light intensity diminishes；The mode realizing multidomain of this programme be then based on liquid crystal monomer formed polymer network not
Under the influence of conformation of rules, allow negative liquid crystal cannot form unified direction (i.e. multidomain arrangement).
Described driving voltage frequency is 60 hertz, and active voltage is 1V to 3V.
Based on inventive embodiment, for the manufacture method of a kind of liquid-crystalline glasses, comprise the following steps: S1: prepare two pieces of glass
Glass substrate, coats homeotropic alignment layer respectively on a surface of two pieces of described glass substrates；S2: by two pieces of described glass substrates
The surface being coated with homeotropic alignment layer is oppositely arranged, and is prepared as liquid crystal cell；S3: take the liquid crystal monomer of photopolymerization, light trigger
And negative liquid crystal, mixing, it is injected into described liquid crystal cell；S4: liquid crystal cell is sealed；S5: ultraviolet light irradiates described liquid crystal cell；
S6: two pieces of described glass substrates are electrically connected with the two poles of the earth of described power supply module respectively.
The above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, all should belong to protection scope of the present invention.Protection model in the present invention
In enclosing, its technical scheme and/or embodiment can have various different modifications and variations.
Claims (8)
1. an anti-glare liquid crystal rearview mirror, it is characterised in that include shell, liquid crystal rearview mirror module, photosensitive control module；Its
In,
Liquid crystal rearview mirror module includes the reflecting mirror for reflecting light, for controlling the liquid-crystalline glasses of radiation direction, power supply list
Unit；
Described photosensitive control module includes light intensity sensor, control unit；
Described shell is used for disposing described liquid crystal rearview mirror module, and described photosensitive control module connects liquid crystal rearview mirror module, institute
State photosensitive control module based on intensity control liquid crystal rearview mirror module.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 1, it is characterised in that described liquid-crystalline glasses includes two pieces
Symmetrical upper and lower glass substrate, liquid crystal monomer, light trigger, negative liquid crystal；Wherein,
Described liquid crystal monomer is under the effect of light trigger and ultraviolet light, and polymerization forms polymer network；
Described negative liquid crystal is scattered in described polymer network；
Described liquid crystal polymer network is between two pieces of glass substrates；
Described glass substrate is connected with power subsystem.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 1, it is characterised in that described control unit receives light intensity
The light intensity value of sensor output, based on light intensity value computing driving voltage signal and control power subsystem and export this driving voltage.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 2, it is characterised in that also wrap between described glass substrate
Including UV and solidify glue, form liquid crystal cell by UV solidification adhesive curing, described UV solidification glue is mixed with for controlling between thickness of liquid crystal box
Gap.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 2, it is characterised in that the surface of described glass substrate sets
Being equipped with electrode, described electrode is electrically connected with the two poles of the earth of power subsystem.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 2, it is characterised in that described glass substrate also includes gathering
Imido homeotropic alignment layer, forms the single domain being perpendicular to glass substrate by this both alignment layers induction liquid crystal cells, negative liquid crystal
Arrangement.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 3, it is characterised in that described driving voltage frequency is 60
Hertz, active voltage is 1V to 3V.
A kind of anti-glare liquid crystal rearview mirror the most according to claim 5, it is characterised in that described electrode receives power subsystem
Driving voltage, described negative liquid crystal irregular form based on driving voltage value, polymer network is formed in parallel with described glass
The multidomain arrangement of glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808902.7A CN106292007A (en) | 2016-09-06 | 2016-09-06 | A kind of anti-glare liquid crystal rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808902.7A CN106292007A (en) | 2016-09-06 | 2016-09-06 | A kind of anti-glare liquid crystal rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106292007A true CN106292007A (en) | 2017-01-04 |
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ID=57710534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808902.7A Pending CN106292007A (en) | 2016-09-06 | 2016-09-06 | A kind of anti-glare liquid crystal rearview mirror |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644870A (en) * | 2008-08-04 | 2010-02-10 | 格拉雷尼克斯美国有限责任公司 | Automatic darkening and glare reducing liquid crystal mirror |
| CN102407808A (en) * | 2010-09-17 | 2012-04-11 | 现代自动车株式会社 | Outside mirror for vehicle |
| CN202782923U (en) * | 2012-09-25 | 2013-03-13 | 江苏亿成光电科技有限公司 | Automatic anti-dazzling rearview mirror |
| CN203211203U (en) * | 2012-11-29 | 2013-09-25 | 信利半导体有限公司 | Anti-glare rearview mirror |
| CN203450031U (en) * | 2013-09-09 | 2014-02-26 | 南京华日液晶显示技术有限公司 | Automotive automatic anti-glare rearview mirror manufactured by utilizing dye liquid crystal light valve |
| CN203528383U (en) * | 2013-10-12 | 2014-04-09 | 江门亿都半导体有限公司 | Liquid crystal automatic dimming anti-dazzling inside rearview mirror powered up through solar energy |
-
2016
- 2016-09-06 CN CN201610808902.7A patent/CN106292007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644870A (en) * | 2008-08-04 | 2010-02-10 | 格拉雷尼克斯美国有限责任公司 | Automatic darkening and glare reducing liquid crystal mirror |
| CN102407808A (en) * | 2010-09-17 | 2012-04-11 | 现代自动车株式会社 | Outside mirror for vehicle |
| CN202782923U (en) * | 2012-09-25 | 2013-03-13 | 江苏亿成光电科技有限公司 | Automatic anti-dazzling rearview mirror |
| CN203211203U (en) * | 2012-11-29 | 2013-09-25 | 信利半导体有限公司 | Anti-glare rearview mirror |
| CN203450031U (en) * | 2013-09-09 | 2014-02-26 | 南京华日液晶显示技术有限公司 | Automotive automatic anti-glare rearview mirror manufactured by utilizing dye liquid crystal light valve |
| CN203528383U (en) * | 2013-10-12 | 2014-04-09 | 江门亿都半导体有限公司 | Liquid crystal automatic dimming anti-dazzling inside rearview mirror powered up through solar energy |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |