CN211055041U - Dimmable reflector, anti-glare rearview mirror and automobile - Google Patents
Dimmable reflector, anti-glare rearview mirror and automobile Download PDFInfo
- Publication number
- CN211055041U CN211055041U CN201921768825.2U CN201921768825U CN211055041U CN 211055041 U CN211055041 U CN 211055041U CN 201921768825 U CN201921768825 U CN 201921768825U CN 211055041 U CN211055041 U CN 211055041U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- layer
- guest
- host effect
- adjusting luminance
- 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.)
- Active
Links
Images
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model discloses a speculum of can adjusting luminance, this speculum of can adjusting luminance includes the reflection lens, sets up liquid crystal membrane of adjusting luminance, light sensor and control circuit board on the plane of reflection lens, and light sensor and liquid crystal membrane of adjusting luminance all are connected with the control circuit board electricity, and control circuit board is used for applying driving voltage to liquid crystal membrane of adjusting luminance, and the liquid crystal molecule in the liquid crystal membrane of adjusting luminance has the first state of the direction range of perpendicular to plane of reflection to and the second state with plane of reflection parallel arrangement. The utility model discloses a reflector reaction that can adjust luminance is rapid, greatly reduced because of the traffic accident rate that the glare caused.
Description
Technical Field
The utility model relates to a speculum field, concretely relates to speculum, anti-dazzle rear-view mirror and car that can adjust luminance.
Background
The influence of glare on vision is mostly felt by people who experience driving overnight, and the main sources of glare generated on the road of a motor vehicle at night are lamp illumination of opposite running vehicles, fixed illumination of the road and reflection of rearview mirrors. If the strong light directly penetrates through the windshield from the front of the vehicle and enters eyes of a driver, the influence on the driver is very obvious, and particularly, when the driver meets the vehicle, traffic accidents are caused because the driver cannot see the road condition in front clearly; if the strong light enters the eyes of the driver through the reflection of the rearview mirror from the rear of the vehicle, the strong light can also cause glare influence to the eyes to a certain extent, so that the judgment of road conditions is influenced. With the improvement of the driving safety requirements of people, the potential safety hazard caused by glare in the driving process gradually draws attention of people.
An existing anti-dazzle rearview mirror is an electrochromic anti-dazzle rearview mirror, and the anti-dazzle rearview mirror is manufactured by adding a layer of electrochromic material between two transparent electrodes by using an electrochromic principle. When external light irradiates the sensor, the driving circuit makes a response, voltage is applied to the electrochromic material through the transparent electrode, and the electrochromic material changes color to enable the mirror to become dark, so that clear imaging is realized. However, the biggest disadvantage of such anti-glare rearview mirrors is that the response speed is too slow, and the time required from power-up to generation of an anti-glare state is 3s to 5 s.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a speculum that can adjust luminance aims at solving the slow problem of anti-dazzle rear-view mirror reaction rate among the prior art.
In order to achieve the above object, the utility model provides a reflector of can adjusting luminance, this reflector of can adjusting luminance include the mirror piece, set up in liquid crystal membrane, light sensor and the control circuit board of adjusting luminance on the plane of reflection of mirror piece, light sensor and liquid crystal membrane of adjusting luminance all with the control circuit board electricity is connected, control circuit board be used for to liquid crystal membrane of adjusting luminance applys driving voltage, liquid crystal molecule in the liquid crystal membrane of adjusting luminance has and presents the perpendicular to under first voltage the first state of the direction range of plane of reflection to and present under the second voltage with plane of reflection parallel arrangement's second state.
Preferably, the liquid crystal dimming film comprises a first substrate layer, a first conductive layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a second conductive layer and a second substrate layer which are sequentially stacked; the liquid crystal layer adopts guest-host effect liquid crystal; and a quarter-wave plate is also arranged between the liquid crystal dimming film and the reflecting lens.
Preferably, the liquid crystal dimming film comprises a first substrate layer, a first conductive layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a second conductive layer and a second substrate layer which are sequentially stacked; the liquid crystal layer adopts a mixture of guest-host effect liquid crystal and a chiral agent.
Preferably, the liquid crystal dimming film includes a first base layer, a first conductive layer, a first alignment layer, a first liquid crystal layer, a second alignment layer, a second conductive layer, a second base layer, a third conductive layer, a third alignment layer, a second liquid crystal layer, a fourth alignment layer, a fourth conductive layer, and a fourth base layer, which are sequentially stacked; the orientation directions of the first orientation layer and the second orientation layer are vertical to the orientation directions of the third orientation layer and the fourth orientation layer; and the first liquid crystal layer and the second liquid crystal layer both adopt guest-host effect liquid crystal.
Preferably, the guest-host effect liquid crystal is a negative guest-host effect liquid crystal, the first voltage is 0V, and the second voltage is 3V to 10V.
Preferably, the guest-host effect liquid crystal is a positive guest-host effect liquid crystal, the first voltage is 3V to 10V, and the second voltage is 0V.
The utility model also provides an anti-dazzle rear-view mirror, this anti-dazzle rear-view mirror include as above arbitrary one the speculum of can adjusting luminance.
The utility model discloses still provide an automobile, this automobile includes at least one as above anti-dazzle rear-view mirror.
The utility model discloses combine liquid crystal membrane of adjusting luminance and light sensor, make the adjustment of light and shade rapidly to the highlight that appears suddenly in the speculum to in time prevent driver's glare response, avoid traffic accident. Wherein, liquid crystal molecule among the liquid crystal membrane of adjusting luminance switches under the electric drive rapidly between the high first state of luminousness and the low second state of luminousness, and through experimental verification, the reaction time of this switching process is 100 and supplys with medicine 200 milliseconds, compares in the reaction time of the anti-dazzle rear-view mirror of electrochromic of prior art and has shortened more than 15 times, to the driving process that needs high concentration spirit, obviously the utility model discloses the traffic accident rate that the speculum greatly reduced that can adjust luminance caused because of the glare.
Drawings
Fig. 1 is a schematic structural diagram of a dimmable reflector according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a dimmable reflector according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the liquid crystal dimming film shown in FIG. 2 in a first state;
FIG. 4 is a schematic structural diagram of the liquid crystal dimming film shown in FIG. 2 in a second state;
fig. 5 is a schematic structural view of a liquid crystal light modulation film in a third embodiment of the present invention in a first state;
fig. 6 is a schematic structural view of a liquid crystal light modulation film in a second state according to a third embodiment of the present invention;
fig. 7 is a schematic structural view of a liquid crystal light modulation film in a first state according to a fourth embodiment of the present invention;
fig. 8 is a schematic structural diagram of a liquid crystal light modulation film in a second state according to a fourth embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same elements or elements having the same function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the utility model provides a reflector of can adjusting luminance, including reflector plate 1, set up liquid crystal membrane of adjusting luminance 2 on reflector plate's plane of reflection 11, light sensor 3 and control circuit board 4, be equipped with the battery on control circuit board 4, light sensor 3 and liquid crystal membrane of adjusting luminance 2 all are connected with control circuit board 4 electricity, control circuit board 4 is used for when light intensity that light sensor 3 received is greater than the default, the change is to the drive voltage size that liquid crystal membrane of adjusting luminance 2 applyed, the liquid crystal molecule in the liquid crystal membrane of adjusting luminance 2 has the first state that presents the direction of perpendicular to plane of reflection 11 under first voltage and arranges to and present the second state with plane of reflection 11 parallel arrangement under the second voltage.
The dimmable reflector of the embodiment is mainly applied to a motor vehicle, and is provided for preventing glare generated by strong light from influencing the driving sight of a driver when a rear mirror of the motor vehicle is irradiated by the strong light, so that the brightness of the strong light is rapidly reduced at the moment of strong light irradiation, and the sight of the driver is prevented from being influenced by the glare.
In this embodiment, the reflector includes a reflector plate 1 and a housing for protecting the reflector plate 1. The reflecting surface 11 of the reflector 1 is disposed outward, the liquid crystal dimming film 2 is covered on the reflecting surface, the light sensor 3 can be disposed on the reflecting surface 11, and can also be disposed through a through hole formed in the reflector 1, the photosensitive lens of the light sensor faces the reflecting surface 11, the control circuit board 4 is disposed on the back surface of the reflector 1 or in the housing, and the control circuit board is electrically connected with the light sensor 3. The light sensor 3 functions to detect the intensity of light emitted toward the reflecting surface 11. A control circuit board 4 is arranged in the shell or on the back surface of the reflector 1, at least a battery, a control chip and a DC-AC conversion chip are arranged on the control circuit board 4, wherein the control chip is electrically connected with the light sensor 3, and the control circuit board 4 can receive light intensity data detected by the light sensor 3 and correspondingly output a corresponding first voltage or a second voltage according to whether the light intensity data is greater than a preset value. The liquid crystal dimming film 2 is electrically connected with the DC-AC conversion chip on the control circuit board 4, the liquid crystal dimming film comprises a plurality of types, such as TN liquid crystal dimming film, VA liquid crystal dimming film, GH liquid crystal dimming film and the like, a liquid crystal material in the liquid crystal dimming film in the embodiment is selected as guest-host effect liquid crystal, so that liquid crystal molecules in the liquid crystal dimming film 2 have two states: the first state is arranged along the direction vertical to the reflecting surface 11 under a first voltage, and in the arrangement state, the absorptivity of dye molecules in the liquid crystal material to light is low, so that the incident light has high transmittance; the second state is arranged parallel to the reflective surface 11 under the second voltage, and in this state, the light is parallel to the long axis direction of the dye molecules, so the absorption rate of the dye molecules to the light is high, the intensity of the incident light on the reflective surface 11 reaching the reflective surface 11 is greatly reduced, and the intensity of the reflected light reflected from the reflective surface 11 is also reduced correspondingly.
This embodiment combines liquid crystal membrane 2 and light sensor 3 of adjusting luminance, makes the adjustment of light brightness rapidly to the highlight that appears suddenly in the speculum to in time prevent driver's glare reaction, avoid traffic accident. The embodiment has simple structure and lower cost. And the liquid crystal molecule among the liquid crystal membrane 2 switches under the electric drive rapidly between the high first state of luminousness and the low second state of luminousness, and through experimental verification, the reaction time of this switching process is 100 and supplys with medicine 200 milliseconds, compares in the reaction time of the anti-dazzle rear-view mirror of electrochromic of prior art and has shortened more than 15 times, to the driving process that needs high concentration spirit, obviously the utility model discloses the traffic accident rate that the speculum greatly reduced that can adjust luminance caused because of the glare.
Example two
As shown in fig. 2, 3, and 4, in the first embodiment, the liquid crystal dimming film 2 includes a first base layer 21, a first conductive layer 22, a first alignment layer 23, a liquid crystal layer 24, a second alignment layer 25, a second conductive layer 26, and a second base layer 27, which are sequentially stacked; the liquid crystal layer 24 adopts guest-host effect liquid crystal; a quarter wave plate 5 is also arranged between the liquid crystal dimming film 2 and the reflecting lens 1.
In this embodiment, the first substrate layer 21 and the second substrate layer 27 are made of thin film materials. The first conductive layer 22 and the second conductive layer 26 are made of indium tin oxide material or nano silver material. The first alignment layer 23 and the second alignment layer 25 serve to align the arrangement of liquid crystal molecules in the liquid crystal layer 24 therebetween, and the liquid crystal layer 24 is made of guest-host effect liquid crystal having a function of absorbing light parallel to its long axis direction and transmitting light parallel to its short axis direction, so that light passing through the liquid crystal layer 24 is converted into linearly polarized light parallel to its short axis direction. The quarter-wave plate 5 functions to transform linearly polarized light and circularly polarized light into each other. When the liquid crystal layer 24 is in the second state, the long axis directions of the liquid crystal molecules and the dye molecules in the guest-host effect liquid crystal are parallel to the first substrate layer 21 and the second substrate layer 27, i.e., the reflective surface 11.
As shown in fig. 3, when the liquid crystal molecules in the liquid crystal dimming film 2 are in the first state, the long axis directions of the liquid crystal molecules and the dye molecules are perpendicular to the reflection surface 11, i.e. perpendicular to the first substrate layer 21 and the second substrate layer 27, so that the incident light can smoothly pass through the liquid crystal dimming film 2 and still emit as unpolarized light, and when the unpolarized light passes through the quarter-wave plate 5, the unpolarized light still passes through the quarter-wave plate 5 and emits as unpolarized light, and after being reflected by the reflection surface 11, the unpolarized light passes through the quarter-wave plate 5 again and emits as unpolarized light, and similarly, after passing through the liquid crystal dimming film 2, the unpolarized light still has a higher transmittance and emits with a slightly lower and higher brightness than the incident light.
As shown in fig. 4, when the liquid crystal molecules in the liquid crystal dimming film 2 are in the second state, the long axis directions of the liquid crystal molecules and the dye molecules are arranged parallel to the reflection surface 11, so that the absorption rate of the incident light is high, the non-polarized light is converted into linearly polarized light with low brightness, the linearly polarized light is mainly parallel to the short axis direction of the liquid crystal molecules, the linearly polarized light emitted from the liquid crystal dimming film 2 is converted into circularly polarized light after passing through the quarter-wave plate 5, the polarization rotation direction of the circularly polarized light is changed after being symmetrically reflected by the reflection surface 11, the circularly polarized light is left-handed circularly polarized light after being reflected by the reflection surface 11, the reflected circularly polarized light is converted into linearly polarized light after passing through the quarter-wave plate 5 again, and forms a ninety degree included angle with the linearly polarized light emitted from the liquid crystal dimming film 2, that is parallel to the long axis direction of the liquid crystal molecules, the dye molecules and the liquid crystal molecules absorb linearly polarized light parallel to the long axis direction thereof again and have a high absorption rate, so that the luminance of the linearly polarized light emitted from the liquid crystal light adjusting film 2 is low and can be 10% or less.
EXAMPLE III
As shown in fig. 5 and 6, in the first embodiment, the liquid crystal dimming film 2 includes a first base layer 28, a first conductive layer 29, a first alignment layer 210, a liquid crystal layer 211, a second alignment layer 212, a second conductive layer 213, and a second base layer 214, which are sequentially stacked; the liquid crystal layer adopts a mixture of guest-host effect liquid crystal and a chiral agent.
In this embodiment, the first substrate layer 28 and the second substrate layer 214 are made of thin film materials. The first conductive layer 29 and the second conductive layer 213 are made of an indium tin oxide material or a nano silver material. The first alignment layer 210 and the second alignment layer 212 are used for aligning the arrangement of liquid crystal molecules in the liquid crystal layer 211 between the two, the liquid crystal layer 211 is formed by mixing guest-host effect liquid crystal and a chiral agent, dye molecules in the guest-host effect liquid crystal have the functions of absorbing light rays parallel to the long axis direction of the guest-host effect liquid crystal and transmitting light rays parallel to the short axis direction of the guest-host effect liquid crystal, and the guest-host effect liquid crystal added with the chiral agent is spirally arranged in the second state, so that the dye molecules can absorb different polarization directions of incident light.
When the liquid crystal molecules are in the first state, the long axis directions of the liquid crystal molecules and the dye molecules are perpendicular to the first substrate layer 28, the second substrate layer 214 and the reflection surface 11 of the mirror plate 1, and the absorption rate of the incident light is low, so that most of the incident light can pass through, and most of the incident light also exits the liquid crystal dimming film 2 after being reflected by the reflection surface 11. When the liquid crystal molecule is in the second state, liquid crystal molecule and fuel molecule are the helical arrangement, have very big absorptivity to the incident light, therefore most light is absorbed behind incident light process liquid crystal membrane 2, and the light that jets out behind the specular reflection is absorbed behind liquid crystal membrane 2 part once more again, and consequently, emergent light luminance is lower, and the liquid crystal membrane 2 that adjusts that this embodiment adopted can adjust emergent light between 10% -65% luminance.
Example four
As shown in fig. 7 and 8, in the first embodiment, the liquid crystal dimming film 2 includes a first base layer 215, a first conductive layer 216, a first alignment layer 217, a first liquid crystal layer 218, a second alignment layer 219, a second conductive layer 220, a second base layer 221, a third base layer 222, a third conductive layer 223, a third alignment layer 224, a second liquid crystal layer 225, a fourth alignment layer 226, a fourth conductive layer 227, and a fourth base layer 228, which are sequentially stacked; the alignment directions of the first alignment layer 217 and the second alignment layer 219 are perpendicular to the alignment directions of the third alignment layer 224 and the fourth alignment layer 226; the first liquid crystal layer 218 and the second liquid crystal layer 225 both use guest-host effect liquid crystal.
The liquid crystal light modulation film 2 of the present embodiment includes two stacked guest-host effect films, and the first guest-host effect film includes a first base layer 215, a first conductive layer 216, a first alignment layer 217, a first liquid crystal layer 218, a second alignment layer 219, a second conductive layer 220, and a second base layer 221. The second guest-host effect film includes a third base layer 222, a third conductive layer 223, a third alignment layer 224, a second liquid crystal layer 225, a fourth alignment layer 226, a fourth conductive layer 227, and a fourth base layer 228. The alignment directions of the first alignment layer 217 and the second alignment layer 219 are perpendicular to the alignment directions of the third alignment layer 224 and the fourth alignment layer 226, so that the alignment directions of the liquid crystal molecules in the two guest-host effect films are perpendicular and parallel to the reflective surface 11.
When the liquid crystal molecules in the liquid crystal dimming film 2, i.e. the liquid crystal molecules in the first guest-host effect film and the liquid crystal molecules in the second guest-host effect film, are in the first state, the liquid crystal molecules and the dye molecules in the first liquid crystal layer 218 and the second liquid crystal layer 225 are perpendicular to the reflection surface 11, so most of the incident light passes through and is reflected by the reflection surface 11. When the liquid crystal molecules in the liquid crystal dimming film 2 are in the second state, the liquid crystal molecules in the first guest-host effect film and the second guest-host effect film are both parallel to the reflection surface 11, and therefore both have high light absorption rates, when incident light passes through the outer guest-host effect film, the incident light is weakened by half (especially light parallel to the long axis direction of the dye molecules) and forms linearly polarized light, and when the linearly polarized light passes through the inner guest-host effect film, because the arrangement direction of the liquid crystal molecules in the guest-host effect film is perpendicular to the arrangement direction of the liquid crystal molecules in the outer guest-host effect film, the light parallel to the short axis direction of the dye molecules can be further absorbed, in the embodiment, the incident light is absorbed in a mode of combining two guest-host effect films, and emergent light can be adjusted between 8% and 70% of brightness.
EXAMPLE five
In any one of the second to fourth embodiments, the guest-host effect liquid crystal is a negative guest-host effect liquid crystal, the first voltage is 0V, and the second voltage is 3V to 10V.
When the liquid crystal layer in the liquid crystal dimming film 2 is a negative guest-host effect liquid crystal, the liquid crystal layer can reach the second state in the power-on state and can maintain the first state in the power-off state.
Wherein the second state includes two: firstly, the negative guest-host effect liquid crystal does not contain a chiral agent, and liquid crystal molecules and dye molecules are parallel to the reflecting surface 11 in a power-on state; and secondly, the negative guest-host effect liquid crystal contains a chiral agent, and liquid crystal molecules and dye molecules are spirally distributed in a power-on state.
EXAMPLE six
In any one of the second to fourth embodiments, the guest-host effect liquid crystal is a positive guest-host effect liquid crystal, the first voltage is 3V to 10V, and the second voltage is 0V.
When the liquid crystal layer in the liquid crystal dimming film 2 adopts the positive guest-host effect liquid crystal, the first state can be maintained in the power-on state, and the second state can be achieved in the power-off state.
Wherein the second state includes two: firstly, the positive guest-host effect liquid crystal does not contain a chiral agent, and liquid crystal molecules and dye molecules are parallel to the reflecting surface 11 in a power-off state; and secondly, if the positive guest-host effect liquid crystal contains a chiral agent, liquid crystal molecules and dye molecules are distributed spirally under the power-off state.
EXAMPLE seven
On the basis of any preceding embodiment, the utility model discloses still provide an anti-dazzle rear-view mirror, this anti-dazzle rear-view mirror include as above any embodiment the speculum of can adjusting luminance, the speculum of should adjusting luminance includes at least: reflection lens 1, set up liquid crystal membrane 2 of adjusting luminance on reflection lens 1's plane of reflection 11, and set up light sensor 3 and control circuit board 4 in the reflector, be equipped with the battery on control circuit board 4, light sensor 3 and liquid crystal membrane 2 of adjusting luminance all are connected with control circuit board 4 electricity, control circuit board 4 is used for when light intensity that light sensor 3 received is greater than the default, change the voltage size of applying in the membrane 2 of adjusting luminance to liquid crystal, the liquid crystal molecule in the membrane 2 of adjusting luminance has the first state that presents the direction arrangement of perpendicular to plane of reflection 11 under first voltage, and present the second state parallel with plane of reflection 11 or be the contained angle arrangement under the second voltage.
The embodiment applies the dimmable reflector to the rearview mirror, and the rearview mirror adopting the dimmable reflector can effectively reduce the problem that the rearview mirror causes glare to a driver under strong light irradiation, and effectively reduce the traffic accident rate.
Example eight
On the basis of embodiment seven, the utility model discloses still provide an automobile, this automobile includes at least one anti-dazzle rear-view mirror as in embodiment seven.
The embodiment applies the rearview mirror comprising the dimmable reflector to an automobile, so that a driver is prevented from being influenced by a high beam of the automobile behind, and the driving safety is ensured.
The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a speculum of can adjusting luminance, its characterized in that, including the speculum piece, set up in liquid crystal membrane of adjusting luminance, light sensor and control circuit board on the plane of reflection of speculum piece, light sensor and liquid crystal membrane of adjusting luminance all with the control circuit board electricity is connected, control circuit board be used for to liquid crystal membrane of adjusting luminance applys drive voltage, liquid crystal molecule in the liquid crystal membrane of adjusting luminance has and presents the perpendicular to under first voltage the first state of the direction range of plane of reflection to and present under the second voltage with plane of reflection parallel arrangement's second state.
2. The dimmable mirror of claim 1, wherein the liquid crystal dimming film comprises a first substrate layer, a first conductive layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a second conductive layer, and a second substrate layer, which are stacked in this order; the liquid crystal layer adopts guest-host effect liquid crystal; and a quarter-wave plate is also arranged between the liquid crystal dimming film and the reflecting lens.
3. The dimmable mirror of claim 1, wherein the liquid crystal dimming film comprises a first substrate layer, a first conductive layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a second conductive layer, and a second substrate layer, which are stacked in this order; the liquid crystal layer adopts a mixture of guest-host effect liquid crystal and a chiral agent.
4. The dimmable mirror according to claim 1, wherein the liquid crystal dimming film comprises a first substrate layer, a first conductive layer, a first alignment layer, a first liquid crystal layer, a second alignment layer, a second conductive layer, a second substrate layer, a third conductive layer, a third alignment layer, a second liquid crystal layer, a fourth alignment layer, a fourth conductive layer, and a fourth substrate layer, which are stacked in this order; the orientation directions of the first orientation layer and the second orientation layer are vertical to the orientation directions of the third orientation layer and the fourth orientation layer; and the first liquid crystal layer and the second liquid crystal layer both adopt guest-host effect liquid crystal.
5. A dimmable mirror as claimed in any of claims 2 to 4, wherein said guest-host effect liquid crystal is a negative guest-host effect liquid crystal, said first voltage is 0V and said second voltage is 3V to 10V.
6. A dimmable mirror as claimed in any of claims 2 to 4, wherein said guest-host effect liquid crystal is a positive guest-host effect liquid crystal, said first voltage is in the range 3V to 10V and said second voltage is 0V.
7. An anti-glare rearview mirror comprising the dimmable mirror of any one of claims 1 to 6.
8. An automobile, characterized by comprising at least one anti-glare rear view mirror according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921768825.2U CN211055041U (en) | 2019-10-21 | 2019-10-21 | Dimmable reflector, anti-glare rearview mirror and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921768825.2U CN211055041U (en) | 2019-10-21 | 2019-10-21 | Dimmable reflector, anti-glare rearview mirror and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211055041U true CN211055041U (en) | 2020-07-21 |
Family
ID=71590912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921768825.2U Active CN211055041U (en) | 2019-10-21 | 2019-10-21 | Dimmable reflector, anti-glare rearview mirror and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211055041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019740A (en) * | 2021-11-17 | 2022-02-08 | 中国航空制造技术研究院 | Liquid crystal device with double-layer structure and adjustable liquid crystal molecular director and preparation method thereof |
| CN115264446A (en) * | 2022-07-15 | 2022-11-01 | 深圳新阳蓝光能源科技股份有限公司 | Street lamp |
-
2019
- 2019-10-21 CN CN201921768825.2U patent/CN211055041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019740A (en) * | 2021-11-17 | 2022-02-08 | 中国航空制造技术研究院 | Liquid crystal device with double-layer structure and adjustable liquid crystal molecular director and preparation method thereof |
| CN115264446A (en) * | 2022-07-15 | 2022-11-01 | 深圳新阳蓝光能源科技股份有限公司 | Street lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6694861B2 (en) | Electronically dimmable optical device | |
| JP5577038B2 (en) | Vehicle rear view assembly including high brightness display | |
| US10551620B2 (en) | Heads up display system | |
| US4632509A (en) | Glare-shielding type reflector | |
| CN108303812B (en) | A kind of rearview mirror with dimming function | |
| US20060221452A1 (en) | Anti-glare reflective and transmissive devices | |
| CN210062828U (en) | Anti-glare rearview mirror and automobile | |
| CN211055041U (en) | Dimmable reflector, anti-glare rearview mirror and automobile | |
| CN214523571U (en) | Anti-glare rearview mirror and automobile | |
| US4671617A (en) | Liquid crystal dazzle-free reflection mirror | |
| CN203573064U (en) | Anti-dazzle automobile rearview mirror | |
| US4848878A (en) | Non-glaring rearview mirror with liquid crystal mixture | |
| CN209858885U (en) | Rearview mirror with automatic dimming function | |
| CN112874439A (en) | Rearview mirror, rearview mirror module and anti-dazzle method of rearview mirror module | |
| WO2018157723A1 (en) | Projection screen, vehicle-mounted head-up display, and displaying adjustment method | |
| CN117120303A (en) | Adjustable light reflecting device | |
| US20220305998A1 (en) | Dimmable car external rearview mirror device | |
| CN111913311A (en) | Rearview mirror with automatic dimming function | |
| CN108169952B (en) | Anti-dazzle rearview mirror and control method thereof | |
| CN1706908A (en) | Compound as electrochromic material and electrochromic module | |
| RU2164703C2 (en) | Device for protection of eyes against luminous radiation | |
| CN212846290U (en) | Anti-dazzling device and OLED display device | |
| US11927784B2 (en) | Display device | |
| JPS6289934A (en) | Antidazzle type reflecting mirror | |
| CN206870954U (en) | A kind of inside rear-view mirror and automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |