CN208180898U - A kind of automobile rearview mirror - Google Patents
A kind of automobile rearview mirror Download PDFInfo
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- CN208180898U CN208180898U CN201820752536.2U CN201820752536U CN208180898U CN 208180898 U CN208180898 U CN 208180898U CN 201820752536 U CN201820752536 U CN 201820752536U CN 208180898 U CN208180898 U CN 208180898U
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Abstract
The utility model discloses a kind of automobile rearview mirrors, including body of backsight mirror, it further include power supply unit, the power supply unit is electrically connected with body of backsight mirror, the body of backsight mirror includes the reflecting layer being cascading, first substrate, liquid crystal layer and the second substrate, and the liquid crystal molecule surface of the liquid crystal layer is equipped with dichroic dye molecular layer.The continuous automatic adjustment to reflection light power may be implemented, dichroic dye molecule has good absorption effect to dazzle, can protect eyes from dazzle interference, is conducive to safe driving, and respond fast.
Description
Technical field
The utility model relates to technical field of automobile accessories more particularly to a kind of automobile rearview mirrors.
Background technique
Traditional tunable optical automobile rearview mirror generally uses electrochromism technology, when the photosensitive element of rearview mirror receives one
When determining the light of intensity, drive module can export the voltage of some strength so that electrochromic media occur electrochemical reaction and
The variation for generating color, becomes dark-state from transparent state, and then backsight light is adjusted.
Such electrochromism technology production process is complicated, higher cost；The response speed of electrochromism technology is very slow simultaneously,
30~60s is typically for up to by the time that dark-state becomes state, cannot meet the needs of consumer is for quick response well, can make
At some potential safety problems.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of automobile rearview mirrors, can carry out light adjusting automatically,
Fast response time, it is at low cost, dazzle can be effectively prevent.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
A kind of automobile rearview mirror, including body of backsight mirror further include power supply unit, the power supply unit and body of backsight mirror
Electrical connection, the body of backsight mirror include the reflecting layer being cascading, first substrate, liquid crystal layer and the second substrate, described
The liquid crystal molecule surface of liquid crystal layer is equipped with dichroic dye molecular layer.
Further, the power supply unit includes solar battery and the driving mould for direct current to be converted to alternating current
Block, the drive module are electrically connected with solar battery and rearview mirror main body respectively.
Further, the body of backsight mirror further includes the first conductive film layer, the first oriented layer, the second oriented layer and second
Conductive film layer, first conductive film layer are located at the first substrate close to the one side of liquid crystal layer, first oriented layer position
In first conductive film layer close to the one side of liquid crystal layer, second conductive film layer is located at the second substrate close to liquid crystal
The one side of layer, second oriented layer are located at second conductive film layer close to the one side of liquid crystal layer.
Further, the material of the first substrate and the second substrate is glass.
Further, the material of first oriented layer and the second oriented layer is PI.
Further, the material of first conductive film layer and the second conductive film layer is ITO.
Further, the liquid crystal layer is nematic liquid crystal.
Further, the color of the dichroic dye molecular layer is black.
The utility model has the beneficial effects that: by the way that dichroic dye molecular layer is arranged on liquid crystal molecule surface, when
When power supply unit provides certain electric energy for body of backsight mirror, liquid crystal molecule can be driven in plane state or inclination state, power supply unit
Voltage it is bigger, liquid crystal molecule plane state is better, and dichroic dye molecular layer is stronger to the absorption of light, rearview mirror sheet
Body is darker, and the light intensity reflected from reflecting layer is smaller, so as to realize the continuous automatic adjustment to reflection light power；
Dichroic dye molecule has good absorption effect to dazzle, can protect eyes from dazzle interference, be conducive to safe driving.This
The automobile rearview mirror of utility model can realize that the continuous automatic adjustment of reflection light, response are fast.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the automobile rearview mirror of the utility model embodiment one；
Fig. 2 is the cross-sectional view of the body of backsight mirror in the automobile rearview mirror of the utility model embodiment one；
Fig. 3 is the partial structure diagram of the liquid crystal layer in the body of backsight mirror of the utility model embodiment one.
Label declaration:
1, body of backsight mirror；2, power supply unit；11, reflecting layer；12, first substrate；13, the first conductive film layer；14, first
Oriented layer；15, liquid crystal layer；16, the second oriented layer；17, the second conductive film layer；18, the second substrate；151, liquid crystal molecule；152,
Dichroic dye molecular layer.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: dichroic dye molecular layer, power supply is arranged on liquid crystal molecule surface
The voltage of device is bigger, and liquid crystal molecule plane state is better, and dichroic dye molecular layer is stronger to the absorption of light, backsight
Mirror ontology is darker, continuously adjusts so as to realize to reflection light power.
Fig. 1 to Fig. 3, a kind of automobile rearview mirror, including body of backsight mirror 1 are please referred to, further includes power supply unit 2, the confession
Electric installation 2 is electrically connected with body of backsight mirror 1, and the body of backsight mirror 1 includes the reflecting layer 11 being cascading, first substrate
12,151 surface of liquid crystal molecule of liquid crystal layer 15 and the second substrate 18, the liquid crystal layer 15 is equipped with dichroic dye molecular layer
152。
Dim principle: by the way that dichroic dye molecular layer is arranged on liquid crystal molecule surface, when power supply unit is rearview mirror
When ontology provides certain electric energy, liquid crystal molecule can be driven in plane state or inclination state, the voltage of power supply unit is bigger, liquid crystal point
Sub- plane state is better, and dichroic dye molecular layer is stronger to the absorption of light, and body of backsight mirror is darker, anti-from reflecting layer
The light intensity of injection is smaller, so as to realize the continuous automatic adjustment to reflection light power.
As can be seen from the above description, the utility model has the beneficial effects that: dichroic dye molecule has very well dazzle
Absorption, can protect eyes from dazzle interference, be conducive to safe driving；The continuous automatic adjustment of reflection light can be achieved,
Response is fast.
Further, the power supply unit 2 includes solar battery and the driving for direct current to be converted to alternating current
Module, the drive module are electrically connected with solar battery and rearview mirror main body respectively.
Seen from the above description, when light is stronger, the supply voltage of solar battery is bigger, and liquid crystal molecule plane state is got over
Good, dichroic dye molecular layer is stronger to the absorption of light, and reflective mirror main body is darker, the light intensity of reflecting layer reflection
Smaller, switching time of the liquid crystal layer between dark-state and transparent state is short, usually less than 50ms.That is, when power supply unit is not powered (too
Sunlight is not strong enough) when, the transparent state of rearview mirror main body, have stronger sunlight irradiation when, rearview mirror main body become black or
Other are dark, can play a protective role automatically to eyes.It is powered using solar battery, does not need that additional power supply is arranged
Equipment, energy conservation and environmental protection.
Further, the body of backsight mirror 1 further includes the first conductive film layer 13, the first oriented layer 14, the second oriented layer
16 and second conductive film layer 17, first conductive film layer 13 is located at the first substrate 12 close to the one side of liquid crystal layer 15,
First oriented layer 14 is located at one side of first conductive film layer 13 close to liquid crystal layer 15, second conductive film layer 17
Positioned at the second substrate 18 close to the one side of liquid crystal layer 15, second oriented layer 16 is located at second conductive film layer 17
Close to the one side of liquid crystal layer 15.
Further, the material of the first substrate 12 and the second substrate 18 is glass.
Further, the material of first oriented layer 14 and the second oriented layer 16 is PI.
Further, the material of first conductive film layer 13 and the second conductive film layer 17 is ITO.
Further, the liquid crystal layer 15 is nematic liquid crystal.
Further, the color of the dichroic dye molecular layer 152 is black.
Seen from the above description, dichroic dye molecular layer also can according to need the other colors of selection, be not limited to
Black.
Please refer to Fig. 1 to Fig. 3, the embodiments of the present invention one are as follows:
A kind of automobile rearview mirror as shown in Figure 1, including body of backsight mirror 1 and power supply unit 2, the power supply unit 2 with
Body of backsight mirror 1 is electrically connected, and the power supply unit 2 includes solar battery and the driving for direct current to be converted to alternating current
Module, the drive module are electrically connected with solar battery and rearview mirror main body respectively.
As shown in Fig. 2, the body of backsight mirror 1 includes the reflecting layer 11 being cascading, first substrate 12, first leads
Electrolemma layer 13, the first oriented layer 14, liquid crystal layer 15, the second oriented layer 16, the second conductive film layer 17 and the second substrate 18, described
One conductive film layer 13 is located at the first substrate 12 close to the one side of liquid crystal layer 15, and first oriented layer 14 is located at described the
For one conductive film layer 13 close to the one side of liquid crystal layer 15, second conductive film layer 17 is located at the second substrate 18 close to liquid crystal
The one side of layer 15, second oriented layer 16 are located at second conductive film layer 17 close to the one side of liquid crystal layer 15.It is described
151 surface of liquid crystal molecule of liquid crystal layer 15 is equipped with dichroic dye molecular layer 152, and in the present embodiment, the liquid crystal layer 15 is
Nematic liquid crystal, the color of the dichroic dye molecular layer 152 are black, naturally it is also possible to select other face as needed
The dichroic dye of color.The material of the first substrate 12 and the second substrate 18 is glass, first oriented layer, 14 He
The material of second oriented layer 16 is PI, and the material of first conductive film layer 13 and the second conductive film layer 17 is ITO, reflection
Layer 11 is reflecting optics.
In the present embodiment, liquid crystal layer 15 is using guest-host effect liquid crystal technology, and based on liquid crystal, dichroic dye is
Guest, dichroic dye molecule can be attached to 151 surface of liquid crystal molecule, be collectively aligned with the orientation of liquid crystal molecule 151.Such as
Shown in Fig. 3, the absorbable polarised light for being parallel to 151 long axis direction of liquid crystal molecule of liquid crystal layer 15, but only absorb on a small quantity perpendicular to liquid
The polarised light of brilliant 151 long axis direction of molecule.Therefore, when liquid crystal molecule 151 is arranged in parallel or snail arranges, dichroism
Dyestuff extinction is in dark-state, can be usually reached the dark-state that transmitance is 20%；When liquid crystal molecule 151 is arranged vertically, dichroism
Dyestuff only absorbs a small amount of light, is in saturating state, can be usually reached the saturating state of height that transmitance is 75%.It, can be in liquid crystal in this implementation
A small amount of chiral agent is added in layer 15, so that the helically structure in plane state of liquid crystal molecule 151, is conducive to the suction for promoting dark-state
Light effect.
In the present embodiment, by the way that solar battery is arranged in power supply unit 2, when receiving stronger light, solar energy
Luminous energy can be converted to DC voltage by battery, while using drive module, by DC conversion at alternating current, to drive host and guest
Effect liquid crystal layer.Usual liquid crystal layer 15 only needs the voltage of 1~3V can be driven, and light is stronger, and the voltage being converted to is bigger, after
Visor ontology 1 is darker.Therefore power supply unit 2 may make body of backsight mirror 1 with the power of ambient light, and automatically continuously adjustment is anti-
Penetrate the power of light.It is powered using solar battery, does not need additional power supply unit, can reach the mesh of power and energy saving
's.
Dazzle is the linearly polarized light from being reflected on compared with smooth flat by outdoor strong light, for example, road surface, the water surface, cloud layer,
Vehicle body, windowpane etc. can reflect dazzle, have certain interference effect to the real image of reflection object, also will cause one
The eyes sense of discomfort and visual impact for determining degree, the dazzle generated when driving are possible to cause a degree of danger.Tradition
Electrochromic material special absorption is had no to the lightlike line.The present embodiment is by adding two into guest-host effect liquid crystal
Chromotropism dyestuff, dichroic dye molecule can be attached to 151 surface of liquid crystal molecule, and the orientation with liquid crystal molecule 151 is same
To arrangement, the absorbable polarised light for being parallel to 151 long axis direction of liquid crystal molecule, but only absorb on a small quantity perpendicular to liquid crystal molecule 151
The polarised light of long axis direction, therefore the body of backsight mirror 1 of the present embodiment has absorption well to dazzle, in protection eyes
Simultaneously, moreover it is possible to so that us is more clearly seen the real image of reflection object from rearview mirror, be conducive to safe driving.
The response time of traditional chemical electrochromism light regulating technology is extremely slow, switches to dark-state by transparent state and usually requires 100
~500ms, and transparent state is switched to by dark-state and then needs 30~60s or even longer time, it is not able to satisfy consumer for fast
The demand of speed response.And the present embodiment utilizes guest-host effect liquid crystal technology, the switching time between two states is extremely short, usually switches
Time is respectively less than 50ms, can meet the requirements of consumers completely.
In the present embodiment, the automobile rearview mirror the production method is as follows:
(1) preparation of liquid crystal: dichroic dye and a small amount of chiral agent are added in liquid crystal, uses magnetic control agitating and heating
To 100 DEG C, 30min, natural cooling are stirred.The dichroic dye can be bought by Alibaba's platform, Ke Yiwei
Black dichroic dye.The weight percent of dichroic dye is the 0.1%~5% of liquid crystal, the weight percent of chiral agent
Than being also the 0.1%~5% of liquid crystal.
(2) it makes liquid crystal sylphon: electrode mask version being overlayed on ito substrate (ITO conductive film layer+glass substrate), then
Successively be exposed processing, development treatment, etching process, coating PI oriented layer, sprinkling processing, silk-screen frame glue, be solidified into box and
Cutting process obtains the liquid crystal sylphon of body of backsight mirror shape.
(3) vacuum pressure difference and capillary effect are utilized, by the liquid crystal filling in step (1) to the liquid crystal sylphon in step (2)
It is interior, obtain body of backsight mirror.
After obtaining body of backsight mirror, the electrode on body of backsight mirror is connected to power supply using flexible circuit board and conducting resinl
On the pcb board of device driving module to get arrive automobile rearview mirror.
In conclusion a kind of automobile rearview mirror provided by the utility model, may be implemented to the continuous of reflection light power
Automatic adjustment, has good absorption effect to dazzle, can protect eyes from dazzle interference, be conducive to safe driving, and respond
Fastly.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of automobile rearview mirror, including body of backsight mirror, which is characterized in that further include power supply unit, the power supply unit with
Body of backsight mirror electrical connection, the body of backsight mirror includes the reflecting layer being cascading, first substrate, liquid crystal layer and second
The liquid crystal molecule surface of substrate, the liquid crystal layer is equipped with dichroic dye molecular layer.
2. automobile rearview mirror according to claim 1, which is characterized in that the power supply unit includes solar battery and use
In the drive module that direct current is converted to alternating current, the drive module is electrically connected with solar battery and rearview mirror main body respectively
It connects.
3. automobile rearview mirror according to claim 1, which is characterized in that the body of backsight mirror further includes the first conductive film
Layer, the first oriented layer, the second oriented layer and the second conductive film layer, first conductive film layer are located at the first substrate close to liquid
The one side of crystal layer, first oriented layer are located at first conductive film layer close to the one side of liquid crystal layer, and described second leads
Electrolemma layer is located at the second substrate close to the one side of liquid crystal layer, and second oriented layer is located at second conductive film layer and leans on
The one side of nearly liquid crystal layer.
4. automobile rearview mirror according to claim 3, which is characterized in that the material of the first substrate and the second substrate is equal
For glass.
5. automobile rearview mirror according to claim 3, which is characterized in that the material of first oriented layer and the second oriented layer
Matter is PI.
6. automobile rearview mirror according to claim 3, which is characterized in that first conductive film layer and the second conductive film layer
Material be ITO.
7. according to claim 1 to automobile rearview mirror described in 6 any one, which is characterized in that the liquid crystal layer is nematic phase
Liquid crystal.
8. according to claim 1 to automobile rearview mirror described in 6 any one, which is characterized in that the dichroic dye point
The color of sublayer is black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752536.2U CN208180898U (en) | 2018-05-17 | 2018-05-17 | A kind of automobile rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752536.2U CN208180898U (en) | 2018-05-17 | 2018-05-17 | A kind of automobile rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208180898U true CN208180898U (en) | 2018-12-04 |
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ID=64427535
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820752536.2U Active CN208180898U (en) | 2018-05-17 | 2018-05-17 | A kind of automobile rearview mirror |
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| CN (1) | CN208180898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736379A (en) * | 2020-06-17 | 2020-10-02 | 深圳市华星光电半导体显示技术有限公司 | Camera module and display device |
-
2018
- 2018-05-17 CN CN201820752536.2U patent/CN208180898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736379A (en) * | 2020-06-17 | 2020-10-02 | 深圳市华星光电半导体显示技术有限公司 | Camera module and display device |
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