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7411637 |
System and method for varying the reflectance or transmittance of light
Device for transmitting light at variable intensity, the device including a front variable polarizer, polarizing incoming light at a first selected polarization level, in a first direction and a...
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6930748 |
Liquid crystal display device and method for manufacturing the same
A liquid crystal display device is disclosed, which can remove a defect generated from polishing and etching of a glass substrate. The LCD device includes first and second substrates assembled...
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6490020 |
TFTLCD for recycling electrical power
The present invention provides a thin film transistor liquid crystal display (TFTLCD) including a liquid crystal layer having a first region and a second region therein, a liquid crystal...
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6490012 |
Liquid crystal display device
A liquid crystal display device having a touch panel that exploits a shutter effect of a liquid crystal layer includes an antiglare film placed behind the touch panel as seen by the viewer. The...
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6466298 |
Glazing with variable optical and/or energetic properties
A glazing is described, which includes at least one active layer and at least one reflecting coating on the active layer. A pane, partition, mirror, or door is also described that includes the...
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5493427 |
Three-dimensional display unit with a variable lens
A three-dimensional display unit has a liquid crystal panel for simultaneously displaying a plurality of different parallax images and an optical characteristic variable lens attached to the liquid...
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5486938 |
Anti-dazzle system for vehicles
In front of the driver there is arranged a screen (20) with a variable transmission coefficient. The headlamps (10, 11) of the vehicle send out periodic pulses of short duration with respect to the...
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5322996 |
Mirror with dynamic dazzle light attenuation zone
A mirror (10) with a pair of vertical dazzle light attenuation zones (24 and 26). Each zone consists of stripes (24a, 24b, . . . 24n, 26a, 26b, . . . 26n) capable of dynamically adjusting the...
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5267067 |
Frequency controllable optical device
An optical cell having an optically active material, for example a liquid crystal is disclosed, the transparency of which is a function of the electrical voltage applied together with a control...
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5202787 |
Electro-optic device
Electro optic devices incorporating an improved configuration of elements which dramatically reduces light scattering and haziness with relatively inexpensive coated glass. The devices are liquid...
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5189537 |
Indicia display for electro-optic devices wherein the indicia comprises a dielectric material extending at least partially into the electro-optic medium
An electro-optic device useful as a vehicular mirror or panel, an architectural panel, or the like includes two optically transparent substrates positioned in spaced relation to each other. An...
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5168378 |
Mirror with dazzle light attenuation zone
A liquid-crystal matrix-type reflection mirror (10) with a localized dazzle light attenuation zone. The mirror has a multilayered structure and consists of a broadband reflective base mirror (12)...
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5113271 |
Light blocking and vision restoration apparatus with glint control
According to one aspect of the invention, a system for controlling light, includes (1) apparatus for responding to incident electromagnetic radiation, including a first medium through which...
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5037185 |
Liquid crystal cell provided with bubble traps
The liquid crystal cell comprises a volume divided by a separating wall into a main chamber and a secondary chamber which define an active surface and a passive surface respectively. The secondary...
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5032006 |
Electrooptical cells having connection means
An electrooptical cell has electrical connection means between electrodes and a control unit which comprise a contact block of a synthetic adhesive material having conducting particles applied on...
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4848878 |
Non-glaring rearview mirror with liquid crystal mixture
There is disclosed a rearview mirror absorbing the light when the orientation of the liquid crystal is caused to change. A suitable amount of cholesteric material is added to the nematic liquid...
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4831333 |
Laser beam steering apparatus
A device for steering a wavefront of electromagnetic radiation comprising a pumping means for coherently pumping a plurality of phase conjugate mirrors with a monochromatic coherent beam having a...
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4820933 |
Control circuit for liquid crystal rear-vision mirror
A circuit for controlling a liquid crystal rear-vision mirror is disclosed. The liquid crystal rear-vision mirror is equipped in an automobile to sense the amount of lights incident upon the mirror...
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4820022 |
Liquid crystal antidazzle mirror
A liquid crystal antidazzle mirror comprising discharging electrodes respectively provided at electrodes of liquid crystal electrodes, a grounding electrode opposed to the discharging electrodes...
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4813768 |
Liquid crystal device having an oblique evaporation film which is protected by a protective layer
A liquid crystal device having a higher durability and a display quality less likely to be degraded, for example, for use in a glare shield reflection mirror. The liquid crystal device comprises: a...
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4729638 |
Liquid crystal-type nonglare mirror
A liquid crystal-type nonglare mirror suitable for room mirrors or for vehicles, which effectively prevents the formation of interference fringes under light sources, such as sodium lamps, halogen...
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4721364 |
Dazzle-free mirror with photocell in a non-dazzle-free portion
A dazzle-free reflection mirror, which may be used as an inner mirror or an outer mirror of a vehicle, has an electro-optical element of which transparency is changed by applying an electric field...
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4696548 |
Antiglare mirror for an automobile
An antiglare mirror for an automobile including a metal layer for reflecting incident light and a liquid crystal layer in front of the reflecting surface of the metal layer. The reflected light is...
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4693558 |
Glare preventive rear view mirror
A rear view mirror assembly comprising a liquid crystal cell of guest-host type which consists of a layer of dichroic dyestuff added nematic liquid crystal and a pair of transparent plates...
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4690508 |
Liquid crystal closed-loop controlled mirror systems
A rearview mirror system comprises an electrically controlled optical transmission plate disposed over a reflecting surface. The optical transmission plate is selectively operable to any of a...
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4678281 |
Circuit for the actuation of liquid crystal layers in mirrors
Circuit layout for the actuation of liquid crystal layers, formed by flip-flops (4, 5) arranged in the feeder lines of the conducting layers, with a common dimmer-IC preceding the reset inlets (R)...
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4676601 |
Drive apparatus for a liquid crystal dazzle-free mirror arrangement
A drive apparatus for a liquid crystal dazzlement preventing mirror arrangement for automatically setting a liquid crystal panel of the mirror arrangment to a dazzlement preventing state by...
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4671617 |
Liquid crystal dazzle-free reflection mirror
A liquid crystal type dazzle-free reflection mirror has a scattering type liquid crystal cell such as DSM liquid crystal switching the orientation of the liquid crystal molecular axis thereof...
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4671615 |
Control apparatus for a dazzle-free reflection mirror of a vehicle
A control apparatus for a dazzle-free reflection mirror of a vehicle is disclosed. The control apparatus is provided with a rear light sensor and a circuit for driving the reflection mirror into a...
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4669827 |
Detection of manipulation of position apparatus for dazzle-free mirror
A control apparatus for a dazzle-free reflection mirror of a vehicle is disclosed. The control apparatus is provided with a rear light sensor and a circuit for driving the reflection mirror into a...
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4669826 |
Apparatus for detecting the direction of light for dazzle-free mirrors
In a vehicle having an interior room mirror and a pair of exterior right and left side mirrors, a single photo sensor is provided for detecting an intensity of light incident from the rear of the...
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4669825 |
Control apparatus with delay circuit for antiglare mirror
A control apparatus for a reflection mirror of a vehicle is disclosed. The control apparatus is provided with a rear light sensor, an exterior light sensor and a circuit for driving the reflection...
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4664479 |
Dynamic scattering, guest host, non-glaring reflector
A non-glaring type reflector employing a liquid crystal layer which is composed of a liquid crystal matrix and dichroic coloring matter, which provides a dynamic scattering effect or phase...
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4660937 |
Dichroic dye-nematic liquid crystal mirror
A dichroic dye-containing nematic liquid crystal mirror has a photocell connected thereto to automatically change, that is, to dim or brighten, the mirror upon exposure to light. Under the...
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4655549 |
Automatic antidazzle semitransparent mirror
A reflection mirror using a liquid crystal cell is disclosed. A first thin film consisting of one of magnesium difluoride, silicon dioxide, silicon monoxide or titanium dioxide is formed on a glass...
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4634835 |
Anti-dazzle device for a rearview mirror of a motor vehicle
An anti-dazzle device for a rearview mirror of a motor vehicle, wherein a mirror face member is provided with an electric heater and a film layer containing a heat-sensitive color-changing material...
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4632509 |
Glare-shielding type reflector
This invention discloses a glare-shielding reflector which controls light reflectance electrically. The present invention provides a glare-shielding type reflector having a photosensor block which...
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4623222 |
Liquid crystal type dazzle-free transmissive-reflective mirror
A liquid crystal type dazzle-free reflection mirror arrangement which changes reflectivity of the incident light by way of changing the transmittivity of the incident light through a liquid crystal...
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4603946 |
Reflection controllable view mirror device for motor vehicle or the like
A reflection controllable view mirror device having an electro-optical assembly which changes its optical transmittance to vary quantity of light passing therethrough in accordance with the...
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4589735 |
Cholesteric liquid crystal mirror with safety features
The reflectance of a mirror is variable to provide a dipping car mirror. The mirror comprises a liquid crystal cell formed by two transparent slides coated on their inner surfaces with electrodes....
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4299444 |
Dimmable rear view mirror, particularly for automotive vehicles
A dimmable rearview mirror, particularly for motor vehicles comprising a reflective surface, two polarization filters spaced apart from each other and arranged in front of the reflective surface as...
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4274713 |
Device with a scatter-free light valve
A device with a scatter-free light valve which may be used as a rear view mirror or a sun visor and is characterized by a pair of carrier plates extending parallel to each other to form a cell...
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4201451 |
Wide angled rear view mirror apparatus
An arrangement of rear view mirrors for a motor vehicle including a pair of mirror assemblies positioned to extend the areas of vision to the right and left rear sides of the motor vehicle. Each...
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4200361 |
Liquid crystal mirror for use as a rear-view mirror for vehicles
A rear-view mirror for motor vehicles incorporates a liquid crystal film sandwiched between front and rear transparent electrode surfaces, the rear electrode surface being in the form of a lattice...
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4161653 |
Control circuit for rear view mirrors provided with a liquid crystal cell
An anti-dazzle rear view mirror incorporates a liquid crystal cell the conductive layers of which are energized by a control voltage in response to light above a threshold intensity impinging on a...
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4005928 |
Nematic liquid crystal displays for low voltage direct current operation
A low current d.c. operated liquid crystal display comprises a liquid crystal material composition having impurities therein to effect a current density at 25° C in the range of 0.5 to 3.0 μa/cm...
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3986022 |
Illumination control system
Control of illumination with illumination amplifier devices provides a basis for implementing various types of illumination systems. Also illumination amplifiers in closed illumination servo loops...
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3862798 |
AUTOMATIC REAR VIEW MIRROR ADJUSTER
A rear view mirror assembly comprising a reflective surface, and a liquid crystal assembly covering the reflective surface. The liquid crystal assembly comprises a thin layer of liquid nematic...
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3614210 |
LIQUID CRYSTAL DAY/NIGHT MIRROR
The mirror comprises front and rear substrates sandwiching a liquid crystal material therebetween. The front substrate is transparent and has, on its inner surface, a transparent electrode. The...
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