CN210062828U - Anti-glare rearview mirror and automobile - Google Patents
Anti-glare rearview mirror and automobile Download PDFInfo
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- CN210062828U CN210062828U CN201921014481.6U CN201921014481U CN210062828U CN 210062828 U CN210062828 U CN 210062828U CN 201921014481 U CN201921014481 U CN 201921014481U CN 210062828 U CN210062828 U CN 210062828U
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- 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
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
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- 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
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- 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
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- 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
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The embodiment of the utility model discloses anti-dazzle mesh rear-view mirror and car, anti-dazzle mesh rear-view mirror include the casing, install anti-dazzle mesh rear-view mirror body in the casing, set up and be in the first photosensor and the setting of the front side of casing are in the second photosensor at the back of casing, anti-dazzle mesh rear-view mirror body includes the liquid crystal light valve for the regulation is shone the reflectivity and the transmissivity of light on the liquid crystal light valve, display panel sets up the dorsal part of liquid crystal light valve, control circuit board, with first photosensor the second photosensor reaches liquid crystal light valve electric connection. The driving safety and the user experience are improved.
Description
Technical Field
The utility model relates to an intelligence mobile unit technical field especially relates to an anti-dazzle rear-view mirror and car.
Background
Modern society car has become the indispensable part in everybody's life, along with everybody's safety consciousness's improvement, automatic safety function receives everybody's more and more attention, and neotype automatic anti-dazzle streaming media rear-view mirror comes up with the fortune. The reflectivity and the transmittance of the common streaming media rearview mirror are not adjustable, and when the common streaming media rearview mirror is used as a display screen, a display picture is not clear, a reflected image is serious, and the observation of a driver on the display picture is influenced. When the automobile rearview mirror is used as a rearview mirror, strong light of a rear automobile or the external environment can be reflected to eyes of a driver through the rearview mirror when the automobile runs, so that the driver can have short visual vertigo, and the driving risk is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an automatically regulated light transmissivity and reflectivity, reduce anti-dazzle mesh rear-view mirror and car of driving risk solve the technical problem that above-mentioned exists, specifically adopt following specific technical scheme to realize.
The utility model provides an anti-dazzle mesh rear-view mirror, include the casing, install anti-dazzle mesh rear-view mirror body, setting in the casing are in the first photosensitive sensor and the setting of the front side of casing are in the second photosensitive sensor at the back of casing, anti-dazzle mesh rear-view mirror body includes:
a liquid crystal light valve for adjusting the reflectance and transmittance of light irradiated thereon;
a display panel disposed at a backside of the liquid crystal light valve;
and the control circuit board is electrically connected with the first photosensitive sensor, the second photosensitive sensor and the liquid crystal light valve.
As a further improvement of the above technical solution, the liquid crystal light valve includes a first polarizing layer, a first conductive layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a second conductive layer, and a second polarizing layer, which are sequentially stacked, where the first polarizing layer is located at a front side.
As a further improvement of the above technical solution, the first polarizing layer is an absorption-type polarizing layer, and when unpolarized light passes through the absorption-type polarizing layer, the first polarizing layer absorbs light having a polarization direction corresponding to an absorption axis of the absorption-type polarizing layer, and allows light perpendicular to the polarization direction of the absorption axis of the absorption-type polarizing layer to pass through.
As a further improvement of the above technical solution, the second polarizing layer is a transflective polarizing layer, and is configured to reflect light in a direction consistent with a reflection axis of the transflective polarizing layer and allow light perpendicular to a polarization direction of the reflection axis of the transflective polarizing layer to pass through.
As a further improvement of the above technical solution, the first alignment layer and the second alignment layer are used to align liquid crystal molecules of the liquid crystal layer.
As a further improvement of the above technical solution, the anti-glare rearview mirror further includes:
and the switch is connected to the display panel and used for switching on or off the display panel.
As a further improvement of the above technical solution, the method further comprises:
the anti-glare rearview mirror functions as a display screen when the display panel is turned on;
the anti-glare rear view mirror functions as a rear view mirror when the display panel is turned off.
As a further improvement of the above technical solution, the first photosensor is used for sensing the intensity of light coming from the rear, converting the intensity into a first electrical signal and transmitting the first electrical signal to the control circuit board, and the control circuit board adjusts the reflectivity of the liquid crystal light valve according to the first electrical signal.
As a further improvement of the above technical solution, the second photosensor is used for sensing the intensity of light coming from the front, converting the intensity into a second electrical signal, and transmitting the second electrical signal to the control circuit board, and the control circuit board adjusts the transmittance of the liquid crystal light valve according to the second electrical signal.
The utility model also provides an automobile, including above-mentioned anti-dazzle mesh rear-view mirror, anti-dazzle mesh rear-view mirror is for installing anti-dazzle mesh streaming media rear-view mirror in the automobile.
The utility model provides a pair of anti-dazzle mesh rear-view mirror and car, through the front side of casing sets up first photosensitive sensor, the back of casing sets up second photosensitive sensor, control circuit board passes through first photosensitive sensor with the intensity of the light of second photosensitive sensor response is adjusted the reflectivity and the transmissivity of liquid crystal light valve. When the display panel is turned on, the anti-glare rearview mirror is used as a display screen, so that the display effect of the display panel can be adjusted, and the user experience is improved; when the display panel is closed, the anti-glare rearview mirror is used as a rearview mirror, so that the reflection light intensity can be adjusted, the problem that the driver is dazzled by strong reflection light reflected by the anti-glare rearview mirror is avoided, and the safety of driving an automobile is improved.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 shows a schematic structural view of an anti-glare rear view mirror according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a liquid crystal light valve according to an embodiment of the present invention;
fig. 3 is a circuit configuration diagram of the anti-glare rearview mirror according to the embodiment of the present invention.
Description of the main element symbols:
10-anti-glare rearview mirror; 20-a housing; 30-anti-glare rearview mirror body; 40-a first light sensitive sensor; 50-a second light sensitive sensor; 60-liquid crystal light valve; 61-a first polarizing layer; 62-a first conductive layer; 63-a first alignment layer; 64-a liquid crystal layer; 65-a second alignment layer; 66-a second conductive layer; 67-a second polarizing layer; 70-a display panel; 80-a control circuit board; 90-switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Referring to fig. 1, the utility model provides an anti-glare rearview mirror 10, include casing 20, install anti-glare rearview mirror body 30 in the casing 20, set up and be in the first photosensitive sensor 40 and the setting of the front side of casing 20 are in the second photosensitive sensor 50 at the back of casing 20, anti-glare rearview mirror body 30 includes:
a liquid crystal light valve 60 for adjusting reflectance and transmittance of light irradiated on the liquid crystal light valve 60;
a display panel 70 disposed at a backside of the liquid crystal light valve 60;
and the control circuit board 80 is electrically connected with the first photosensitive sensor 40, the second photosensitive sensor 50 and the liquid crystal light valve 60.
In this embodiment, casing 20 is used for fixed mounting anti-dazzle mesh rear-view mirror body 30 with control circuit board 80, the front side of casing 20 is towards driver's one side, the dorsal part of casing 20 is towards one side in car the place ahead, first photosensitive sensor 40 sets up the front side of casing 20 is used for detecting the intensity of the light that the rear vehicle sent, second photosensitive sensor 50 sets up the dorsal part of casing 20 is used for detecting intensity of the external light when daytime and night, first photosensitive sensor 40 with the material of second photosensitive sensor 50 can be photo resistance, photodiode or phototriode etc. but parameter, model are all inequality, and the resistance diminishes when night or rear vehicle light is strong, and the resistance grow when daytime or rear vehicle light is weak. The first photosensitive sensor 40 senses the intensity of light from a vehicle behind and converts the light into a first electric signal and sends the first electric signal to the control circuit board 80, the control circuit board 80 adjusts the access voltage at two ends of the liquid crystal light valve 60 according to the first electric signal, and adjusts the reflectivity of the liquid crystal light valve 60 according to the access voltage, so that a driver can clearly see the vehicle condition displayed by the anti-glare rearview mirror 10, and the problem that human eyes are momentarily dizzy or dazzling due to the fact that strong light is directly irradiated on the anti-glare rearview mirror 10 to reflect is avoided. The second photosensitive sensor 50 is used for sensing the intensity of light in front, converting the intensity into a second electrical signal and transmitting the second electrical signal to the control circuit board 80, the control circuit board 80 adjusts the access voltage at the two ends of the liquid crystal light valve 60 according to the second electrical signal, adjusts the transmittance of the liquid crystal light valve 60 according to the size of the access voltage, adjusts the display effect of the display panel 70, and improves the experience of a user.
It should be noted that the control circuit board 80 mainly includes a microprocessor MCU and a power supply, the control circuit board 80 can receive electrical signals converted from the optical signals sensed by the first photosensitive sensor 40 and the second photosensitive sensor 50, and the control circuit board 80 controls the magnitude of the output voltage of the power supply to the two ends of the liquid crystal light valve 60, that is, the stronger the electrical signal is, the larger the voltage at the two ends of the liquid crystal light valve 60 is, the smaller the reflectivity of the liquid crystal light valve 60 is, so as to reduce the intensity of the reflected light of the anti-glare rearview mirror 10. The first photosensitive sensor 40 and the second photosensitive sensor 50 can be used in cooperation, and the liquid crystal light valve 60 adjusts the light irradiated on the liquid crystal light valve 60 through the change of reflectivity and transmittance, so that a clear and soft image is presented on the anti-glare rearview mirror 10, and the display effect of the anti-glare rearview mirror 10 is improved.
Referring to fig. 2, the liquid crystal light valve 60 further includes a first polarizing layer 61, a first conductive layer 62, a first alignment layer 63, a liquid crystal layer 64, a second alignment layer 65, a second conductive layer 66, and a second polarizing layer 67, which are sequentially stacked, wherein the first polarizing layer 61 is located on the front side.
The first polarizing layer 61 is an absorption-type polarizing layer, and absorbs light having a polarization direction of an absorption axis of the absorption-type polarizing layer when unpolarized light passes through the absorption-type polarizing layer, and allows light perpendicular to the polarization direction of the absorption axis of the absorption-type polarizing layer to pass through. The second polarizing layer 67 is a transflective polarizing layer, and is configured to reflect light in a direction consistent with a reflection axis of the transflective polarizing layer, and allow light perpendicular to a polarization direction of the reflection axis of the transflective polarizing layer to pass through. The first alignment layer 63 and the second alignment layer 65 serve to align liquid crystal molecules of the liquid crystal layer 64.
It should be noted that the absorption axis direction of the absorption-type polarization layer is perpendicular to the reflection axis polarization direction of the semi-transparent and semi-reflective polarization layer, when ambient light is incident on the anti-glare rearview mirror body 30, light that has passed through the absorption-type polarization layer (perpendicular to the absorption axis polarization direction) will be reflected when reaching the semi-transparent and semi-reflective polarization layer, and light that has been reflected back to the absorption-type polarization layer from the semi-transparent and semi-reflective polarization layer can pass through the absorption-type polarization layer again, so as to achieve the effect of mirror reflection. The environment light mainly comprises light in the vehicle, illumination light emitted by a rear vehicle, external light and the like. The liquid crystal light valve 60 controls light by controlling birefringence and retardation of liquid crystal molecules through voltage, an orientation layer is coated on two flat glass substrates plated with transparent electrodes, a liquid crystal material is filled in the middle, gaps between the glass substrates are controlled by glass fibers with fine edges, the outer sides of two sides of the two glass substrates are respectively attached with an absorptive polarizing layer and a semi-transparent and semi-reflective polarizing layer, the polarization directions of the absorptive polarizing layer are perpendicular to the direction of the glass substrates, the birefringence of the liquid crystal is maximum, linearly polarized light obtained by transmitting the absorptive polarizing layer can directly transmit the liquid crystal layer, but the polarization direction of the semi-transparent and semi-reflective polarizing layer is perpendicular to the axial direction of the absorptive polarizing layer when the voltage at two ends of the liquid crystal layer 64 is zero, so light cannot pass through, the transmittance is minimum at this time, and the reflectance is maximum; with the increase of the voltage at the two ends of the liquid crystal layer 64, under the action of an electric field, the liquid crystal molecules begin to incline towards the direction parallel to the surface of the glass substrate, the birefringence of the liquid crystal is reduced, the retardation of light passing through the liquid crystal is increased, linearly polarized light obtained by the absorption type polarizing layer can be changed into elliptically polarized light or circularly polarized light after passing through the liquid crystal layer, at the moment, the elliptically polarized light or circularly polarized light can be decomposed into two directions, light parallel to the light absorption axis direction of the semi-transparent and semi-reflective polarizing layer can be transmitted, light in the vertical direction cannot be transmitted, the transmittance is gradually increased, and the. The liquid crystal light valve 60 is adopted to flexibly adjust the display effect of the anti-glare rearview mirror 10, and the driving safety is improved.
Referring to fig. 3, further, the anti-glare rear view mirror 10 further includes:
a switch 90 connected to the display panel 70 for turning on or off the display panel 70.
In the present embodiment, the switch 90 may be disposed on the anti-glare rear view mirror 10, or may be disposed at another position in the vehicle for the driver to operate, and when the display panel 70 is turned on, the anti-glare rear view mirror 10 serves as a display screen; the anti-glare rear view mirror 10 functions as a rear view mirror when the display panel 70 is turned off. The switch 90 is electrically connected to the display panel 70, the display panel 70 may be a liquid crystal display panel (TFT), the display panel 70 is further electrically connected to a high-definition camera disposed at the rear end of the automobile, and when the driver backs up, the switch 90 is used to open the display panel 70 to communicate with the high-definition camera, so that a scene behind the automobile is directly displayed on the anti-glare rearview mirror body 30; when the driver drives the vehicle forward, by closing the switch 90, the display panel 70 is in an off state equivalent to a flat mirror, and with the increase of light irradiated by the vehicle behind or external light, the first photosensor 40 and the second photosensor 50 both send electrical signals to the control circuit board 80, so that appropriate voltage is applied to both ends of the liquid crystal light valve 60. It should be noted that, when the anti-glare rearview mirror 10 is used as a display screen or a rearview mirror, the control circuit board 80 can adjust the voltage across the liquid crystal light valve 60 according to the first photosensitive sensor 40 and the second photosensitive sensor 50, mainly by presetting a first threshold of the first photosensitive sensor 40 and a second threshold of the second photosensitive sensor 50, where the first threshold is different from the second threshold, so as to improve the sensitivity of the first photosensitive sensor 40 and the second photosensitive sensor 50, achieve a better display effect for the anti-glare rearview mirror 10, and reduce the frequency of discomfort of the driver to the reflected light of the anti-glare rearview mirror 10.
In addition, when the anti-glare rearview mirror 10 is used, the control circuit board 80 applies different voltages to the liquid crystal layer 64 through the first conductive layer 62 and the second conductive layer 66 to adjust the arrangement structure of the liquid crystal molecules, so as to adjust the polarization direction of light passing through the liquid crystal layer 64, when a voltage within a certain range is applied between the first conductive layer 62 and the second conductive layer 66, the director of the liquid crystal molecules of the liquid crystal layer 64 can be deflected, and the deflection angle thereof can be changed according to the magnitude of the applied voltage, and under the further action of the first alignment layer 63 and the second alignment layer 65, the arrangement structure of the liquid crystal molecules can be changed, so as to adjust the polarization direction of light passing through the liquid crystal layer 64, and finally achieve the dimming effect. Preferably, the polarization direction of the polarized light passing through the liquid crystal layer 64 can be continuously changed from 0 degree to 90 degrees, so that the liquid crystal light valve 60 can precisely adjust the output light intensity. When unpolarized ambient light passes through the absorption type polarizing layer, light with the same polarization direction as the absorption axis of the absorption type polarizing layer is absorbed, only light with the polarization direction perpendicular to the absorption type polarizing layer passes through the absorption type polarizing layer, the transmitted polarized light enters the liquid crystal layer, the control circuit board 80 outputs corresponding voltage to the first conductive layer 62 and the second conductive layer 66 according to feedback information, liquid crystal molecules in the liquid crystal layer 64 adjust the deflection angle according to the voltage, the polarization direction of the polarized light passing through the liquid crystal layer 64 is changed, the feedback information can be obtained by the light intensity of the ambient light sensed by the first photosensitive sensor 40 and the second photosensitive sensor 50 and is converted into an electric signal to be fed back to the control circuit board 80, and the semi-transparent and semi-reflective polarizing layer is arranged with the polarization direction of the reflection axis perpendicular to the polarization direction of the transmission axis of the absorption type polarizing layer, the liquid crystal layer 64 sets the proportion of light with the changed polarization direction within the range of 0-100% according to the magnitude of the applied voltage, so that the proportion of light which is reflected to the liquid crystal light valve 60 by the polarized light passing through the liquid crystal light valve 60 can be controlled, and after the deflection angle is adjusted again, the light is reflected to the eyes of a driver by the absorption type polarization layer again, thereby achieving the function of automatic anti-dazzle.
The utility model also provides an automobile, including above-mentioned anti-dazzle mesh rear-view mirror 10, anti-dazzle mesh rear-view mirror 10 is for installing anti-dazzle mesh streaming media rear-view mirror in the automobile.
The anti-glare rearview mirror 10 is arranged in the automobile and connected with a camera arranged at the tail of the automobile, and under different ambient lights, reflection of light can be reduced through automatic adjustment of the anti-glare rearview mirror 10, so that an image displayed by the anti-glare rearview mirror 10 is clearer. When a driver needs to reverse, the driver can turn on the display panel 70 through the switch 90, the anti-glare rearview mirror 10 is used as a display screen, a rectangular frame for displaying a reversing image is arranged on the anti-glare rearview mirror body 30, at the moment, the voice device and the distance sensor of the automobile for reversing are switched on, the reversing operation of the driver is more convenient, and the experience degree of the user is improved.
When the automobile is running normally, the display panel 70 can be turned off by the switch 90, the anti-glare rearview mirror 10 is used as a rearview mirror, and the process of adjusting the reflectivity and transmittance of light by the liquid crystal light valve 60 is the same as the process of adjusting the reflectivity and transmittance of light, and is not repeated here.
The utility model provides a pair of anti-dazzle mesh rear-view mirror 10 and car, through the front side of casing 20 sets up first photosensitive sensor 40, the back of casing 20 sets up second photosensitive sensor 50, control circuit board 80 passes through first photosensitive sensor 40 with the intensity of the light of second photosensitive sensor 50 response is adjusted the reflectivity and the transmissivity of liquid crystal light valve 60. When the display panel 70 is turned on, the anti-glare rearview mirror 10 serves as a display screen, so that the display effect of the display panel 70 can be adjusted, and the user experience is improved; when the display panel 70 is turned off, the anti-glare rear view mirror 10 serves as a rear view mirror, so that the intensity of reflected light can be adjusted, the problem that glare is caused to a driver by strong light reflected by the anti-glare rear view mirror 10 is avoided, and the safety of driving a car is improved.
Additionally, although the drawings herein have been described in a substantially planar form for the purposes of simplicity of illustration. However, it should be understood by those skilled in the art that the anti-glare rearview mirror 10 of the present invention may also include concave and convex facets, such as two or a combination of cylindrical, spherical, ellipsoidal, parabolic, etc. In addition, it should be understood by those skilled in the art that the anti-glare rearview mirror 10 of the present invention can also be applied to a combination rearview mirror in which two or more different mirror surfaces having different reflection directions or concave-convex rate characteristics are combined.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. An anti-glare rearview mirror, comprising a housing, an anti-glare rearview mirror body mounted in the housing, a first photosensitive sensor disposed at a front side of the housing, and a second photosensitive sensor disposed at a back side of the housing, wherein the anti-glare rearview mirror body comprises:
a liquid crystal light valve for adjusting the reflectance and transmittance of light irradiated thereon;
a display panel disposed at a backside of the liquid crystal light valve;
and the control circuit board is electrically connected with the first photosensitive sensor, the second photosensitive sensor and the liquid crystal light valve.
2. The anti-glare rearview mirror according to claim 1, wherein the liquid crystal light valve comprises a first polarizing layer, a first conductive layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a second conductive layer, and a second polarizing layer, which are sequentially stacked, the first polarizing layer being located at a front side.
3. The anti-glare rearview mirror according to claim 2, wherein the first polarizing layer is an absorptive polarizing layer, and absorbs light having a polarization direction of an absorption axis of the absorptive polarizing layer and allows light perpendicular to the polarization direction of the absorption axis of the absorptive polarizing layer to pass therethrough when unpolarized light passes through the absorptive polarizing layer.
4. The anti-glare rearview mirror according to claim 2, wherein the second polarizing layer is a semi-transparent and semi-reflective polarizing layer for reflecting light in accordance with a direction of a reflection axis of the semi-transparent and semi-reflective polarizing layer and allowing light perpendicular to a polarization direction of the reflection axis of the semi-transparent and semi-reflective polarizing layer to pass therethrough.
5. The anti-glare rearview mirror according to claim 2, wherein the first alignment layer and the second alignment layer are used to align liquid crystal molecules of the liquid crystal layer.
6. The anti-glare rearview mirror according to claim 1, further comprising:
and the power switch is connected to the display panel and used for turning on or off the display panel.
7. The anti-glare rearview mirror according to claim 6, further comprising:
the anti-glare rearview mirror functions as a display screen when the display panel is turned on;
the anti-glare rear view mirror functions as a rear view mirror when the display panel is turned off.
8. The anti-glare rearview mirror according to claim 1, wherein the first photosensor is configured to sense an intensity of light from behind, convert the intensity into a first electrical signal, and transmit the first electrical signal to the control circuit board, and the control circuit board adjusts the reflectivity of the liquid crystal light valve according to the first electrical signal.
9. The anti-glare rearview mirror according to claim 1, wherein the second photosensor is configured to sense an intensity of light coming from the front, convert the intensity of light into a second electrical signal, and transmit the second electrical signal to the control circuit board, and the control circuit board adjusts the transmittance of the liquid crystal light valve according to the second electrical signal.
10. An automobile comprising the anti-glare rear view mirror of any one of claims 1 to 9, wherein the anti-glare rear view mirror is an anti-glare streaming media rear view mirror installed in the automobile.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014481.6U CN210062828U (en) | 2019-07-01 | 2019-07-01 | Anti-glare rearview mirror and automobile |
| PCT/CN2020/098778 WO2021000824A1 (en) | 2019-07-01 | 2020-06-29 | Anti-dazzling rear view mirror and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014481.6U CN210062828U (en) | 2019-07-01 | 2019-07-01 | Anti-glare rearview mirror and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210062828U true CN210062828U (en) | 2020-02-14 |
Family
ID=69428831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921014481.6U Active CN210062828U (en) | 2019-07-01 | 2019-07-01 | Anti-glare rearview mirror and automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210062828U (en) |
| WO (1) | WO2021000824A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487804A (en) * | 2020-04-07 | 2020-08-04 | 京东方科技集团股份有限公司 | Rearview mirror and anti-dazzle display control method for rearview mirror |
| WO2021000824A1 (en) * | 2019-07-01 | 2021-01-07 | 深圳秋田微电子股份有限公司 | Anti-dazzling rear view mirror and automobile |
| WO2023130209A1 (en) * | 2022-01-04 | 2023-07-13 | 京东方科技集团股份有限公司 | Display device and rearview mirror |
| CN117087540A (en) * | 2023-10-17 | 2023-11-21 | 宁波铼康光电有限公司 | Anti-glare rearview mirror for vehicle |
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| US20240248336A1 (en) * | 2022-02-24 | 2024-07-25 | Beijing Boe Technology Development Co., Ltd. | Rearview mirror and control method thereof, system, and computer-readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10233734A1 (en) * | 2002-07-24 | 2004-02-05 | Siemens Ag | Mirror with display device especially for motor vehicles has a liquid crystal cell with rear polarized foil and a front polarizing filter |
| 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 |
| WO2017210513A1 (en) * | 2016-06-03 | 2017-12-07 | Gentex Corporation | Display system with phase oriented reflective control |
| CN206039088U (en) * | 2016-08-29 | 2017-03-22 | 深圳晶华显示器材有限公司 | Reflection of light mirror surface and on -vehicle rear -view mirror with liquid crystal display function |
| CN108303812B (en) * | 2017-01-12 | 2019-11-05 | 江苏集萃智能液晶科技有限公司 | A kind of rearview mirror with dimming function |
| CN210062828U (en) * | 2019-07-01 | 2020-02-14 | 深圳秋田微电子股份有限公司 | Anti-glare rearview mirror and automobile |
-
2019
- 2019-07-01 CN CN201921014481.6U patent/CN210062828U/en active Active
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2020
- 2020-06-29 WO PCT/CN2020/098778 patent/WO2021000824A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000824A1 (en) * | 2019-07-01 | 2021-01-07 | 深圳秋田微电子股份有限公司 | Anti-dazzling rear view mirror and automobile |
| CN111487804A (en) * | 2020-04-07 | 2020-08-04 | 京东方科技集团股份有限公司 | Rearview mirror and anti-dazzle display control method for rearview mirror |
| US11584300B2 (en) | 2020-04-07 | 2023-02-21 | Beijing Boe Technology Development Co., Ltd. | Rear-view mirror, anti-glare display control method and device of rear-view mirror and storage medium |
| WO2023130209A1 (en) * | 2022-01-04 | 2023-07-13 | 京东方科技集团股份有限公司 | Display device and rearview mirror |
| CN117087540A (en) * | 2023-10-17 | 2023-11-21 | 宁波铼康光电有限公司 | Anti-glare rearview mirror for vehicle |
| CN117087540B (en) * | 2023-10-17 | 2024-01-19 | 宁波铼康光电有限公司 | Anti-glare rearview mirror for vehicle |
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| WO2021000824A1 (en) | 2021-01-07 |
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