CN104407449B - The design method and device of a kind of anti-dazzle liquid crystal meeting mirror - Google Patents
The design method and device of a kind of anti-dazzle liquid crystal meeting mirror Download PDFInfo
- Publication number
- CN104407449B CN104407449B CN201410183710.2A CN201410183710A CN104407449B CN 104407449 B CN104407449 B CN 104407449B CN 201410183710 A CN201410183710 A CN 201410183710A CN 104407449 B CN104407449 B CN 104407449B
- Authority
- CN
- China
- Prior art keywords
- area
- illuminance
- lcd panel
- perspective area
- detector
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
-
- 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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Ophthalmology & Optometry (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Mathematical Physics (AREA)
- General Health & Medical Sciences (AREA)
- Liquid Crystal (AREA)
- Eyeglasses (AREA)
Abstract
The present invention relates to the anti-glare liquid crystal lens for preventing from producing driver's vision interference.A kind of anti-glare LCD panel, it includes：Left eye area（1）With right eye area（2）, at least one high perspective area and at least one low perspective area of each area, the two ends in the low perspective area are provided with electrode；Illuminance sensor, it includes at least one opposite car light detector；The opposite car light detector receives the illuminance in opposite car light-illuminating direction, and its output is used as signal voltage；Control circuit, including illuminance comparator and square-wave generator, the converting direct-current voltage into alternating-current voltage that square-wave generator exports illuminance comparator either square wave；The output end of square-wave generator connects the electrode of the LCD panel.Apparatus of the present invention not only can be with anti-glare, and can increase the visual comfort of driver.
Description
Technical field
Prevent from producing driver's vision during vehicle night meeting and do the present invention relates to a kind of liquid crystal lens, more particularly to one kind
The anti-glare liquid crystal lens disturbed.
Background technology
The people of driving both knows about, during driving at night, if the vehicle of opposing lane has opened lamp（Particularly high beam）, to department
The visual impact of machine clearly, or even can not see road ahead situation clearly, there is very big potential safety hazard；To prevent above-mentioned feelings
The generation of condition, the research of all kinds of anti-dazzle apparatus also gradually increases.Than more typical such as CN88105949.8 and 89109699.X
Described in document, it changes the state of strength of oneself car light according to opposite lights of vehicle situation, so as to reduce the car of oneself
Influence of the lamp to opposite driver, does not account for but actively lowering influence of the opposite car light to the driver of oneself car.98100430.X
Described in document, driver's drawing axis is fixed in some way with one piece of translucent plastic plate, to shield portions pair
The light of face car.Because the shadow shield of this device is located in the side of face, stretched from left back to right front, relative to
The eyes of user are asymmetric so that the image that two eyes of user are seen is inconsistent, allow people to feel difference, easily tired
Labor.Side effect is brought while being in the light.
The content of the invention
It is an object of the invention to provide anti-glare liquid crystal lens during a kind of meet at night.
For up to this purpose, the present invention uses following technical scheme：
A kind of anti-glare liquid crystal lens, including at least two high perspective areas and at least two low perspective areas, the low perspective
The two ends in area are provided with electrode；Eyeglass is divided into left eye area and right eye area for statement is convenient, the eyes with user are corresponding.Its
In, at least one high perspective area and at least one low perspective area are distinguished by the right eye area and left eye area.
Illuminance sensor, it includes at least one opposite car light detector；The opposite car light detector is received
The illuminance in opposite car light-illuminating direction, its output is used as signal voltage.
Circuit, including illuminance comparator and square-wave generator are controlled, square-wave generator exports illuminance comparator
Converting direct-current voltage into alternating-current voltage either square wave；The output end of square-wave generator connects the electricity at the low perspective area two ends
Pole.
Preferably, the illuminance sensor also includes at least one background photo-detector, and the bias light is visited
Survey device and receive the illuminance in addition to opposite car light-illuminating direction, its output is used as bias light reference voltage.
Preferably, the illuminance sensor also includes being arranged at the background photo-detector and opposite car light
Positive lens in front of detector, the positive lens（6）For one or respectively positioned at background photo-detector（4）Visited with opposite car light
Survey device（5）Two of front.When using a lens, sensor should be arranged so that, the optical axis of lens is directed straight ahead, the back of the body
Scape photo-detector is placed on the left side of the optical axis on the focal plane of lens, and signal photo-detector is placed on the optical axis on the focal plane of lens
Right side.
Preferably, right eye area is identical with left eye plot structure, and left eye area has one high perspective area and one low
Vision area, both lines of demarcation include one from lower left to upper right side or from lower right to a upper left oblique line, and this is oblique
The angle of line and vertical line can be between 15 degree to 65 degree.
Preferably, height perspective in right eye area distinguishes the midpoint in boundary line and high perspective area and low perspective area in left eye area
Line of demarcation midpoint apart from L be user interpupillary distance.
Preferably, the low perspective area uses dye solution chip or PDLC LCD panels or SHTN type LCD panels
Or TN type LCD panels, the high perspective area is non-liquid crystal region.
Preferably, the liquid crystal lens use dye solution chip or PDLC LCD panels or SHTN type LCD panels
Or TN type LCD panels；The low perspective area patch polarizer of the TN or SHTN types LCD panel；Polarization is not pasted in corresponding high perspective area
Piece；The low perspective area of the eyeglass of the use dye liquid crystal or PDLC liquid crystal is provided with electrode, and corresponding high perspective area does not set electrode.
Preferably, illuminance comparator is put before including two-way, all the way amplifier, amplifier comparator and MOSF
ET photoswitches；Background photo-detector（4）With opposite car light detector（5）Output voltage signal voltage VS and reference voltage
VD is made comparisons by respective preamplifier into transport and placing device.
Preferably, the difference when opposite car lamp illuminance than bias light between high 1.5 times to 5 times or both is high
When preset value M, wherein M values are 3Lux to 30Lux, and the MOSFET pipes of illuminance comparator are triggered, and circuit will
Export the voltage for the signalling channel being exaggerated by predetermined ratio.
Preferably, when using a positive lens, two detectors are all placed near lens focal plane, bias light
Detector is placed on the position that oneself car travel direction carrys out light convergence, and opposite car light detector is placed on opposite car direction and carrys out light convergence
Position.
Beneficial effects of the present invention are：The anti-glare liquid crystal lens of the present invention have at least two regions, with user's
Eyes are corresponding.It is divided into high perspective area and low perspective area in each area, the direction of illumination of low perspective area correspondence opposite car headlight leads to
Installation illuminance sensor is crossed, big light irradiation is determined whether.If during without big light irradiation, high perspective area and low perspective area
Light transmission rate is the same or close, makes the imperceptible too big difference of human eye, feels without uncomfortable；If big light irradiation,
Then only have liquid crystal lens on regional area, that is, the low perspective area between human eye and opposite car light it is dimmed, play anti-dazzle
Purpose function；And the transmitance in other regions on liquid crystal lens does not change, particularly in human eye and oneself on liquid crystal lens
The region between road surface in front of car traveling, i.e., the transmitance in high perspective area does not change all the time, thus has no effect on driver
Observation to oneself front side surface conditions.It has been achieved in that the effect on " a screening headlight Bu Zhe road ".It is effectively improved driver
Visual comfort, reduce fatigue, improve drive safety.
The present invention make use of the transmitance of liquid crystal lens can zonal control according to the characteristic of voltage change, liquid crystal display well
Characteristic, and the control circuit such as light-sensitive element characteristic.Efficiently solve the problem of dazzling the eyes when meeting at night to quad headlight.
Brief description of the drawings
Fig. 1 is the structural representation of anti-glare liquid crystal lens of the present invention；
Fig. 2 a are the structural representations of light detection sensor；
Fig. 2 b are the structural representations of opposite car light detector focusing opposite car light in light detection sensor；
Fig. 2 c are the structural representations of background photo-detector focus background light in light detection sensor；
Fig. 3 is the circuit theory diagrams of liquid crystal lens control system；
Fig. 4 is the circuit diagram of illumination comparator.
Wherein：
1：Left eye area；2：Right eye area；4：Background photo-detector；5：Opposite car light detector；6：Positive lens；1a：It is low
Vision area；1b：High perspective area；1c：Line of demarcation.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Embodiment one
As shown in figure 1, present embodiments provide for a kind of anti-glare liquid crystal lens, the eyeglass mainly includes left eye area 1, the right side
2 two regions of Vitrea eye.By taking left eye area 1 as an example, it includes high perspective area 1b and low perspective area 1a.Low perspective area 1a is located at left side,
Low perspective area 1a, which corresponds to, comes car orientation to left side of face.It is pointed out here that, dizziness-prevention lenses are applied to vehicle right side in the present embodiment
Current national or area, such as China, U.S. etc..
Low perspective area 1a light transmission rate can automatically be adjusted according to the distance of opposite automobile front lamp or brightness, when
When opposite automobile front lamp brightness ratio is larger, low perspective area 1a light transmission rate also reduces more.Now driver can be by high saturating
Vision area 1b watches above surface conditions；When opposite automobile front lamp brightness is smaller or during distant vehicle distances, low perspective area
1a light transmission rate reduction is less or does not reduce, so that the light reduced between high perspective area 1b and low perspective area 1a is saturating
Rate difference is crossed, the ocular comfort degree of driver is improved.
Area 1b without transmitance due to that can adjust for high perspective, so high perspective area 1b can be non-liquid crystal region,
It can be liquid crystal region.
Referring back to Fig. 1, the high perspective area in Tu Zhong right eyes area 2 and the set-up mode in low perspective area are identical with left eye area 1,
So label and description is not repeated.The high perspective area 1b and low perspective area 1a in left eye area 1 line of demarcation is 1c, line of demarcation 1c
Midpoint and right eye area 2 in high perspective area and low perspective area line of demarcation midpoint apart from the interpupillary distance that L is user.Line of demarcation 1c
For an oblique line from lower left to upper right side, the angle of the oblique line and vertical line is located at 35 degree.
Above-mentioned low perspective area 1a is by following technical side with the brightness of the opposite car headlight light transmission rate that automatically adjusts
What case was realized：
The liquid crystal that low perspective area 1a liquid crystal lens are used is dye liquid crystal, and the set-up mode of dye liquid crystal is, by electrode
Low perspective area 1a is positioned only at, according to the liquid crystal material characteristic of liquid crystal lens so that low perspective area 1a light transmission rates during making alive
Reduction, low perspective area 1a light transmission rates are remained stationary when being not added with voltage.Low perspective area 1a voltage control system principle is referring to figure
3.The combination of two kinds of LCD panels can also be used, it is a piece of preceding a piece of rear.Such as anter PDLC LCD panels, rear piece dyestuff
LCD panel.It can add before PDLC LCD panels and use yellow filter.
The structure chart of illuminance sensor is referring to Fig. 2 a in Fig. 3, and illuminance sensor includes two photo-detectors（PD）, point
Wei not background photo-detector（4）With opposite car light detector（5）, as shown in Fig. 2 b and Fig. 2 c, background photo-detector (4) is pointed to
Oneself car travel direction, and the direct irradiation of opposite car light is avoided, for detecting vehicle front（The non-big light irradiation side of opposite car
To）Illuminance, this road PD output voltage be used as reference background voltage.Opposite car light detector (5) is used for detection pair
The illuminance of face car headlight direction of illumination, this road PD outputs are used as signal voltage., can be PD to ensure PD directionality
The near focal point of a positive lens (6) is placed on, one end of a tubule can also be placed on, and the other end is pointed to required side
To.Positive lens（6）Optical axis it is directed straight ahead, background photo-detector（4）The left side for the optical axis being placed on the focal plane of lens, it is right
Face car light photo-detector（5）It is placed on positive lens（6）Focal plane on optical axis right side.Several PD can be encapsulated in one,
It is placed on the same position of antidazzle mirror；It can also separate and encapsulate, be placed on the diverse location of antidazzle mirror.Positive lens (6) can be two
It is individual, it is respectively placed in background photo-detector（4）With the front of opposite car light detector (5).
Circuit is controlled to include illuminance comparator and square-wave generator.Illuminance comparator is put before including two-way, is put all the way
Big device, amplifier comparator and switch mosfet.As shown in Figure 4.Two-way PD output voltage signal voltage VS and ginseng
Voltage VD is examined to make comparisons into transport and placing device by respective preamplifier.When opposite car lamp illuminance is higher than bias light certain times
Number, such as between 1.5 times to 5 times, or both difference when being higher than preset value M, wherein M values are 5Lux, illuminance comparator
MOSFET pipes be triggered, circuit will be exported by certain (predetermined) scaling Vs voltages.
The converting direct-current voltage into alternating-current voltage that described square-wave generator can export illuminance comparator either side
Ripple.The amplitude of square wave is as the voltage that illuminance comparator is exported.The voltage one exported due to the amplitude of square wave with comparator
Sample, and the blackness of liquid crystal is related to institute making alive, so the brightness of the blackness and opposite car light of liquid crystal lens shading light part change
It is directly proportional.The transmitance of the brighter eyeglass appropriate section of lamp is lower.The light on opposite can be effectively thus blocked, while again not
The normal view of driver can be blocked.
Implementation method has many kinds, can be constituted with logic circuit device, can also be realized with Micro-processor MCV.
Embodiment two
The dizziness-prevention lenses of the present embodiment two and the main distinction of embodiment one are：Low perspective area 1a liquid crystal lens are TN
Type liquid crystal, the Partial controll of TN type LCD panels can paste polarizer in low perspective area 1a, and high perspective area 1b does not paste polarizer.
Its specific control circuit theory is identical with embodiment one, will not be repeated here.
The eyeglass uses dye solution chip or PDLC LCD panels or SHTN types LCD panel or TN type LCD panels；Institute
State the low perspective area patch polarizer of TN or SHTN type LCD panels；Do not paste polarizer in corresponding high perspective area；It is described to use dye liquid crystal
Or the low transmission area of the eyeglass of PDLC liquid crystal is provided with electrode, and corresponding highly transmissive area does not set electrode；The TN types LCD panel
Paste polarizer in low perspective area.
In addition, liquid crystal lens can also be PDLC LCD panels or SHTN type LCD panels.
In above-described embodiment one and embodiment two, illuminance sensor includes two photo-detectors（PD）, respectively carry on the back
Scape photo-detector and opposite car light detector.Alternatively, illuminance sensor can also only include one
Photo-detector（PD）, i.e. opposite car light detector.In this scheme, background photo-detector is eliminated, then can be by opposite
The output voltage of car light photo-detector is made comparisons with a fixed voltage value.
It should be noted that for the country of left driving, the high of above-described embodiment dizziness-prevention lenses has an X-rayed area and low
Vision area should carry out position exchange, and its principle is identical with previous embodiment.In addition, being also not limited to Liang Ge areas in region division
Domain or more than two, than if any one high perspective area and two low perspective area etc..Further, of the present invention anti-dazzle
Ocular lens are not limited to the eyeglass of common form, should also include the eyeglass of such as special pattern of helmet mirror.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (7)
1. a kind of anti-glare LCD panel, it is characterised in that described including at least two high perspective areas and at least two low perspective areas
The two ends in low perspective area are provided with electrode；Including left eye area (1) and right eye area (2), left eye area and right eye the area difference is at least
One high perspective area (1b) and at least one low perspective area (1a)；The line of demarcation (1c) in high perspective area and low perspective area includes one
From lower left to upper right side or from lower right to a upper left oblique line, the angle of the oblique line and vertical line is at 15 degree to 65
Between degree；Area is had an X-rayed with high in right eye area (2) and low in the midpoint in the line of demarcation (1c) in high perspective area of left eye area (1) and low perspective area
The midpoint in line of demarcation in area is had an X-rayed apart from the interpupillary distance that L is user；Illuminance sensor, it includes at least one opposite car light
Detector；The opposite car light detector receives the illuminance in opposite car light-illuminating direction, and its output is used as signal voltage；
The illuminance sensor also includes at least one background photo-detector (4), and the background photo-detector (4), which receives, removes opposite car
Illuminance outside light-illuminating direction, its output is used as reference background voltage；
Control circuit, including illuminance comparator and square-wave generator, the direct current that square-wave generator exports illuminance comparator
Voltage conversion is into alternating voltage；The output end of square-wave generator connects the electrode at the low perspective area two ends.
2. anti-glare LCD panel according to claim 1, it is characterised in that the low perspective area using dye solution chip or
Person PDLC LCD panels or SHTN types LCD panel or TN type LCD panels；The high perspective area is non-liquid crystal region；The TN or
The low perspective area patch polarizer of SHTN type LCD panels.
3. anti-glare LCD panel according to claim 1, it is characterised in that the LCD panel using dye solution chip or
PDLC LCD panels or SHTN types LCD panel or TN type LCD panels；The low perspective area patch polarization of the TN or SHTN types LCD panel
Do not paste polarizer in piece, corresponding high perspective area；The low perspective area of the LCD panel of the use dye liquid crystal or PDLC liquid crystal is provided with
Electrode, and corresponding high perspective area does not set electrode.
4. anti-glare LCD panel according to claim 1, it is characterised in that the illuminance sensor also includes being arranged at
Positive lens (6) in front of the background photo-detector (4) and opposite car light detector (5), the positive lens (6) be one or
It is located at two in front of background photo-detector (4) and opposite car light detector (5) respectively.
5. anti-glare LCD panel according to claim 1, it is characterised in that illuminance comparator includes amplifier, amplifier
Comparator and MOSFET photoswitches；The reference voltage VD and opposite car light detector (5) of background photo-detector (4) output are defeated
The signal voltage VS gone out is made comparisons by respective amplifier into transport and placing device.
6. anti-glare LCD panel according to claim 5, it is characterised in that when opposite car lamp illuminance is higher than bias light
When difference between 1.5 times to 5 times or both is higher than preset value M, wherein M values are 3Lux to 30Lux, illuminance comparator
MOSFET pipes be triggered, circuit will export the voltage of signalling channel being exaggerated by predetermined ratio.
7. anti-glare LCD panel according to claim 4, its illuminance sensor is characterised by, when using a positive lens
(6) when, two detectors are all placed near lens focal plane, and background photo-detector is placed on oneself car travel direction and carrys out light convergence
Position, opposite car light detector is placed on the position that light convergence is carried out in opposite car direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183710.2A CN104407449B (en) | 2014-05-04 | 2014-05-04 | The design method and device of a kind of anti-dazzle liquid crystal meeting mirror |
| PCT/CN2015/077828 WO2015169166A1 (en) | 2014-05-04 | 2015-04-29 | Anti-glare lens, device, spectacles, and method against vehicle lamplight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183710.2A CN104407449B (en) | 2014-05-04 | 2014-05-04 | The design method and device of a kind of anti-dazzle liquid crystal meeting mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104407449A CN104407449A (en) | 2015-03-11 |
| CN104407449B true CN104407449B (en) | 2017-08-15 |
Family
ID=52645092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410183710.2A Active CN104407449B (en) | 2014-05-04 | 2014-05-04 | The design method and device of a kind of anti-dazzle liquid crystal meeting mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104407449B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015169166A1 (en) * | 2014-05-04 | 2015-11-12 | 丹阳博来腾光电科技有限公司 | Anti-glare lens, device, spectacles, and method against vehicle lamplight |
| CN106568513A (en) * | 2016-11-26 | 2017-04-19 | 李星 | Sensing device capable of detecting static human body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB743231A (en) * | 1953-07-31 | 1956-01-11 | Mathew Hillard Thornton | Improvements in or relating to anti-glare devices |
| CN1214458A (en) * | 1997-09-05 | 1999-04-21 | 广东省普宁市雄鹰实业公司 | Multifunctional night vision glasses and clamped glasses for driver |
| CN101592809A (en) * | 2008-05-30 | 2009-12-02 | 北京市加华博来科技有限公司 | The color-changing control method of liquid crystal sunglasses and device |
| CN203535320U (en) * | 2013-09-23 | 2014-04-09 | 厦门诗龙光学有限公司 | Anti-strong-light night driving lenses |
| CN204256306U (en) * | 2014-05-04 | 2015-04-08 | 丹阳博来腾光电科技有限公司 | Anti-dazzle liquid crystal meeting mirror sheet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7264352B2 (en) * | 2005-10-20 | 2007-09-04 | Romuald Anthony | Night driving spectacles |
| US20090058126A1 (en) * | 2007-09-05 | 2009-03-05 | Craig Broude | Glare reduction |
-
2014
- 2014-05-04 CN CN201410183710.2A patent/CN104407449B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB743231A (en) * | 1953-07-31 | 1956-01-11 | Mathew Hillard Thornton | Improvements in or relating to anti-glare devices |
| CN1214458A (en) * | 1997-09-05 | 1999-04-21 | 广东省普宁市雄鹰实业公司 | Multifunctional night vision glasses and clamped glasses for driver |
| CN101592809A (en) * | 2008-05-30 | 2009-12-02 | 北京市加华博来科技有限公司 | The color-changing control method of liquid crystal sunglasses and device |
| CN203535320U (en) * | 2013-09-23 | 2014-04-09 | 厦门诗龙光学有限公司 | Anti-strong-light night driving lenses |
| CN204256306U (en) * | 2014-05-04 | 2015-04-08 | 丹阳博来腾光电科技有限公司 | Anti-dazzle liquid crystal meeting mirror sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104407449A (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9869886B2 (en) | Adaptive spectacles for motor vehicle drivers or passengers | |
| CN102700385B (en) | Device and method for preventing glare during vehicle crossing | |
| CN104407451B (en) | day and night anti-dazzle liquid crystal glasses | |
| US20200031282A1 (en) | Vehicle Driving Shading Device, Vehicle and Vehicle Driving Shading Method | |
| CN103273826A (en) | Automatic anti-dazzling system of front windshield of car | |
| CN103723004A (en) | Anti-dazzling driving auxiliary system based on liquid crystal glass and anti-dazzling method of anti-dazzling driving auxiliary system | |
| CN103309056A (en) | Instant automatic light-adjusting safety lens device | |
| CN203786419U (en) | Color-changing sunglasses based on liquid crystal | |
| CN104407450B (en) | The design method and device of a kind of anti-dazzle liquid crystal glasses | |
| CN110171275A (en) | A kind of windshield anti-dazzle device not influencing driver's seat and method | |
| CN105204183A (en) | Flexible intelligent sunglasses | |
| CN202944179U (en) | Anti-dazzling driver assistance system based on liquid crystal glass | |
| CN104407449B (en) | The design method and device of a kind of anti-dazzle liquid crystal meeting mirror | |
| WO2016110959A1 (en) | Optical device | |
| CN104969120A (en) | Optical device | |
| CN101898502B (en) | Antiglare night vision device for automobile | |
| KR20150000477A (en) | Method and device for daytime motor vehicle driving assistance | |
| CN204256307U (en) | The anti-dazzle liquid crystal glasses of day and night | |
| CN209486412U (en) | A kind of darkening eyeglass and automatic beam change driving mirror | |
| CN204256305U (en) | Anti-dazzle liquid crystal glasses | |
| CN204256306U (en) | Anti-dazzle liquid crystal meeting mirror sheet | |
| CN108608837A (en) | Vehicle glass brightness adjusting method, device and vehicle | |
| CN107839450A (en) | A kind of anti-dazzle light device | |
| CN205523584U (en) | Automobile -used automatically controlled liquid crystal subregion barn door of adjusting luminance | |
| CN203012272U (en) | Anti-dazzling glasses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |