CN201400132Y

CN201400132Y - Anti-dazzling automobile rear-vision mirror

Info

Publication number: CN201400132Y
Application number: CN2009201309799U
Authority: CN
Inventors: 温称兵; 陈学刚
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2009-04-24
Filing date: 2009-04-24
Publication date: 2010-02-10
Anticipated expiration: 2019-04-24

Abstract

The utility model discloses an anti-dazzling automobile rear-vision mirror, which comprises a first base plate, a second base plate and a third base plate which are orderly arranged, the inner walls of the opposite first and second base plates are orderly and respectively provided with a first transparent conductivity layer, a first orienting layer, a second transparent conductive layer and a second orienting layer, a sealant body is clamped on the outer edges of the first base plate and the second base plate to form a first cavity, a first guest-host type liquid crystal is filled in the firstcavity, the arrangement between the second and the third base plates is similar to the above arrangement, and furthermore, reflecting layers are further plated on the inner lateral wall or the outerlateral wall of the third base plate. Compared with a rear-vision mirror made from common glass in the prior art, the anti-dazzling automobile rear-vision mirror can change the reflecting strength ofthe incidence light, and prevents eyes of drivers from being interfered by external light in a certain degree, thereby realizing the anti-dazzling aim, and improving the safety of automobile driving.

Description

A kind of anti-glare vehicle rearview mirror

[technical field]

The utility model relates to a kind of automobile rearview mirror, relates in particular to a kind of anti-glare vehicle rearview mirror.

[background technology]

At present, in the car production field, a lot of enterprises are still with the main material of simple glass as automobile rearview mirror.But this is that the automobile rearview mirror luninous reflectance of material is more intense with glass, and driver's eyes are easy to generate fatigue, are easy to take place traffic accident, cause the driver unexpected injury to occur.

Anti-dazzle rear view mirror is accepted by a lot of people as a kind of high end pieces of automobile, be coated with titanium dioxide isosol product coating behind the rear-view mirror surface glass of some medium-to-high grade automobiles, thereby realize the purpose of anti-dazzle, but this coating process is comparatively complicated, the stability of aberration is difficult to control.In addition, also there is the technology that adopts the electrochemistry back mirror to realize abblendbar to occur, its cardinal principle is to mix a kind of chemical colloid in back mirror, when it can produce electrochemical substance when being subjected to rear car headlight acute irradiation, thereby weaken the intensity of incident light automatically, but this electrochemistry back mirror not only costs an arm and a leg, and when the headlight of rear automobile shines room mirror, it changes ray velocity and reaches one to three second, and therefore this back mirror still can't effectively solve automobile night driving safety issue.

[utility model content]

The utility model is in order to solve the relatively poor shortcoming of the anti-dazzle ability of automobile rearview mirror in the prior art, and a kind of abblendbar automobile rearview mirror is provided.

The concrete technical scheme of this anti-glare vehicle rearview mirror is: a kind of anti-glare vehicle rearview mirror, comprise first substrate, second substrate, the 3rd substrate that are arranged in order, on described first substrate and second substrate inwall in opposite directions, be respectively arranged with first transparency conducting layer and first oriented layer and second transparency conducting layer and second oriented layer successively, be gripped with sealed colloid forming first cavity at the outward flange of described first substrate and second substrate, and in described first cavity, be filled with the first guest-host type liquid crystal; On described second substrate and the 3rd substrate inwall in opposite directions, be respectively arranged with the 3rd transparency conducting layer and the 3rd oriented layer and the 4th transparency conducting layer and the 4th oriented layer successively, the outward flange of described second substrate and the 3rd substrate is gripped with sealed colloid forming second cavity, and is filled with the second guest-host type liquid crystal in described second cavity; On the madial wall of described the 3rd substrate or lateral wall, also be coated with the reflecting horizon.

This anti-glare vehicle rearview mirror is compared to the back mirror that the common glass of available technology adopting is made, it can change reflection of incident light intensity, make the interference that driver's eyes can not received extraneous light to a certain extent, thereby reached the abblendbar purpose, and then improved the safety of vehicle drive.

Feature of the present utility model and advantage will be elaborated in conjunction with Figure of description by embodiment.

[description of drawings]

The structural representation of the anti-glare vehicle rearview mirror that Fig. 1 provides for the utility model;

A kind of working state schematic representation of anti-glare vehicle rearview mirror that Fig. 2 provides for the utility model;

The another kind of working state schematic representation of anti-glare vehicle rearview mirror that Fig. 3 provides for the utility model.

[specific embodiment]

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

A kind of anti-glare vehicle rearview mirror that the utility model provides, as shown in Figure 1, comprise one first substrate 6 that is arranged in order, one second substrate 8, one the 3rd substrate 2, in the utility model, described first substrate 6, second substrate 8 and the 3rd substrate 2 are ito glass substrate, on described first substrate 6 and second substrate 8 inwall in opposite directions, be respectively arranged with first transparency conducting layer 12 and first oriented layer 7 and second transparency conducting layer 14 and second oriented layer 13 successively, be gripped with sealed colloid 4 forming first cavity at the outward flange of described first substrate 6 and second substrate 8, and in described first cavity, be filled with the first guest-host type liquid crystal 5; On described second substrate 8 and the 3rd substrate 2 inwall in opposite directions, be respectively arranged with the 3rd transparency conducting layer 15 and the 3rd oriented layer 16 and the 4th transparency conducting layer 19 and the 4th oriented layer 18 successively, the outward flange of described second substrate 8 and the 3rd substrate 2 is gripped with sealed colloid 4 forming second cavity, and is filled with the second guest-host type liquid crystal 3 in described second cavity; On the madial wall of described the 3rd substrate 2 or lateral wall, also be coated with the reflecting horizon.

Wherein, the guest-host type liquid crystal is that nematic liquid crystal forms with addition of dyestuff, and wherein nematic liquid crystal is a main body, and dyestuff is an object, and the arrangement of dyestuff is followed the variation of nematic liquid crystal arrangement and changed, and therefore is the guest-host type liquid crystal.And dye molecule is generally rodlike molecule, and the long axis direction of rodlike molecule and short-axis direction are different to the degree of absorption of light, and generally speaking, a direction can absorb light, and another direction cannot absorb light.

In addition, the anti-glare vehicle rearview mirror that the utility model provides, between described first electrically conducting transparent 12 and second transparency conducting layer 14, be provided with first controllable voltage source, between described the 3rd transparency conducting layer 15 and the 4th transparency conducting layer 19, be provided with second controllable voltage source.In order to realize automatic guidance of the present utility model, this anti-glare vehicle rearview mirror also comprises controller, and described controller is connected with described first controllable voltage source and second controllable voltage source respectively.

Its described first controllable voltage source and second controllable voltage source are mainly used to optionally change the arrangement of molecule in the guest-host type liquid crystal, in general, its voltage source is the control of controlled device, described controller does not propose in this literary composition, as easy as rolling off a log installation method and other related content of thinking to described controller of general those of ordinary skill do not given unnecessary details here.

In the utility model; the material in described reflecting horizon is metallic material or non-metallic material; its mainly act on be with the anti-glare vehicle rearview mirror that the utility model provides make can reflected light rays minute surface; under the preferable case; described material is a metallic material, for example is aluminium or silver, certainly; be not difficult to expect also having more substitute can replace this type of material according to those skilled in the art, also belong within the scope of the utility model protection.

Now, how the anti-glare vehicle rearview mirror that the utility model is provided can reach the abblendbar purpose is done a concise and to the point general introduction, is summarized as follows:

Automobile generally travel by day with night two kinds of state of nature under, for when automobile travels by day, do not light head light owing to travel at other automobiles of automobile tail, therefore the light that is radiated on the automobile rearview mirror is not strong, at this moment, controller can be controlled described first controllable voltage source and second controllable voltage source is not worked, and parallel and described first substrate 6 of described guest-host type liquid crystal molecule this moment, second substrate 8 and the 3rd substrate 2 are arranged, and light are not absorbed.

When running car in environment following time at night, because the automobile tail automobile has been lighted head light, it is injected its forceful rays in the automobile possibly, and by described back mirror reflection, do not note slightly, can have influence on driver's sight line, when serious, can produce serious traffic accident, therefore, must do one to described light this moment and handle.

As shown in Figure 2, the anti-glare vehicle rearview mirror working state schematic representation that provides for the utility model, it is the second controllable voltage source work conducting, the second guest-host type liquid crystal is arranged perpendicular to initial condition under electric field action, when ambient light was shone described back mirror, after the second guest-host type liquid crystal can absorb the light of certain wavelength, back mirror showed complementary color, the reflection of light rate reduces simultaneously, has reached antiglare effect.

As shown in Figure 3, the another kind of working state schematic representation of the anti-glare vehicle rearview mirror that provides for the utility model, it is the first controllable voltage source work conducting, the first guest-host type liquid crystal 5 is arranged perpendicular to initial condition under electric field action, when ambient light was shone described back mirror, after the first guest-host type liquid crystal 5 can absorb the light of certain wavelength, back mirror showed complementary color, the reflection of light rate reduces simultaneously, has reached antiglare effect.

Because the first guest-host type liquid crystal 5 and the second guest-host type liquid crystal adopt different dyestuffs to cooperate with liquid crystal respectively and form, its absorption power to light is also different, therefore adopt closed first controllable voltage source when, when closed second controllable voltage source need carry out in light of the circumstances, certainly, controller also can be analyzed automatically and takes appropriate measures according to the incident light intensity, so that the reflection of incident light rate drops to a suitable degree, certainly, in some cases, first controllable voltage source and second controllable voltage source can be worked simultaneously, do not limit its mode of operation herein.

This anti-glare vehicle rearview mirror is compared to the back mirror that the common glass of available technology adopting is made, it can change the emissive porwer of incident light, make the interference that driver's eyes can not received extraneous light to a certain extent, thereby reached the abblendbar purpose, and then improved the safety of vehicle drive.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of anti-glare vehicle rearview mirror, it is characterized in that, comprise first substrate, second substrate, the 3rd substrate that are arranged in order, on described first substrate and second substrate inwall in opposite directions, be respectively arranged with first transparency conducting layer and first oriented layer and second transparency conducting layer and second oriented layer successively, be gripped with sealed colloid forming first cavity at the outward flange of described first substrate and second substrate, and in described first cavity, be filled with the first guest-host type liquid crystal; On described second substrate and the 3rd substrate inwall in opposite directions, be respectively arranged with the 3rd transparency conducting layer and the 3rd oriented layer and the 4th transparency conducting layer and the 4th oriented layer successively, the outward flange of described second substrate and the 3rd substrate is gripped with sealed colloid forming second cavity, and is filled with the second guest-host type liquid crystal in described second cavity; On the madial wall of described the 3rd substrate or lateral wall, also be coated with the reflecting horizon.

2, anti-glare vehicle rearview mirror according to claim 1, it is characterized in that, between described first transparency conducting layer and second transparency conducting layer, be provided with first controllable voltage source, between described the 3rd transparency conducting layer and the 4th transparency conducting layer, be provided with second controllable voltage source.

3, anti-glare vehicle rearview mirror according to claim 2 is characterized in that, also comprises controller, and described controller is connected with described first controllable voltage source and second controllable voltage source respectively.

4, anti-glare vehicle rearview mirror according to claim 1 is characterized in that, the material in described reflecting horizon is metallic material or non-metallic material.

5, anti-glare vehicle rearview mirror according to claim 4 is characterized in that, the material in described reflecting horizon is aluminium or silver.