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| Number | Title | Issue Date |
| 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 rear variable polarizer, optically coupled with the front variable pola... | 08/12/2008 |
| 7353614 | Vehicle compass system with continuous automatic calibration The compass system of the present invention utilizes an improved calibration routine in which a processing circuit of the compass recalibrates the compass each time three data points are obtained from a magnetic field sensor that meet predetermined criteria. One suc... | 04/08/2008 |
| 7339563 | High performance switchable polarizers for optical projection displays and circuits for driving the polarizers The invention is directed towards high performance switchable polarizers for optical projection displays. One embodiment of the invention is a switchable polarizer with (1) two conductive electrodes and (2) a liquid crystal material that is positioned between the tw... | 03/04/2008 |
| 7320525 | Rear-view mirror for vehicles A rearview mirror reflects ambient light and dims when light from headlights of a following motor vehicle is detected. Electrochromic mirror glass is fixedly secured to a frame within an opening. A sensor is fixedly secured to a housing for sensing ambient light and... | 01/22/2008 |
| 7318648 | Auto dimming vehicle mirror A vehicle mirror assembly comprising a reflective element for reflecting incident light, the reflective element having a viewable side, a dimming element for varying the intensity of light reflected from the viewable side, a photo-electric power cell for powering th... | 01/15/2008 |
| 7317499 | Multilayer plate and display panel with anisotropic crystal film and conducting protective layer A multilayer plate is provided comprising an optically transparent substrate, a protective layer, a conducting layer, and at least one anisotropic thin crystal film. The anisotropic thin crystal film is made of a substance containing aromatic rings and possessing a ... | 01/08/2008 |
| 7310178 | Rearview mirror assembly for a vehicle An interior rearview mirror assembly for a vehicle comprises an electro-optic mirror unit whose reflectivity is variable in response to an electrical voltage applied thereto. The mirror unit includes a first substrate and a second substrate with an electro-optic med... | 12/18/2007 |
| 7230207 | Heatable external mirror for motor vehicles A heatable external rearview mirror including a mirror housing for attachment to the vehicle and a mirror pane with a reflecting surface carried in the housing. A heating element is located adjacent the mirror pane for heating the pane to remove precipitation. A the... | 06/12/2007 |
| 7209278 | Rearview mirror assembly for a vehicle A rearview mirror assembly for a vehicle comprises an electro-optic mirror unit whose reflectivity is variable in response to an electrical voltage applied thereto. At least one light sensor is included and an electrical circuit controls operation of the mirror unit... | 04/24/2007 |
| 7156542 | Vehicle headlight system having digital beam-forming optics A vehicle headlight system including a light source, digital beam forming optics optically coupled to the light source, and a memory storing a plurality of light illumination patterns. The memory is electrically coupled to the digital beam forming optics. The digita... | 01/02/2007 |
| 7148943 | Liquid crystal display device A liquid crystal display device has a pair of substrates, a liquid crystal inserted in an annular seal between the substrates, and a threshold pattern provided in a frame portion between the annular seal and a pixel display area. The threshold pattern has an opening... | 12/12/2006 |
| 7145709 | Apparatus and methods for modulating refractive index An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ... | 12/05/2006 |
| 7092144 | Mirror assemblies incorporating variable index of refraction materials A mirror assembly including an active lens and a reflective surface. The mirror assembly may change its refractive index when a voltage is applied to the active lens, thereby changing the field of view in the lens. Exemplary applications include a blind spot system ... | 08/15/2006 |
| 7042616 | Electrochromic rearview mirror assembly incorporating a display/signal light According to one embodiment of the present invention, an electrochromic rearview mirror assembly for a vehicle includes an electrochromic mirror having a variable reflectivity, a glare sensor for sensing levels of light directed towards the front element from the re... | 05/09/2006 |
| 7008090 | Vehicle mirror system with light conduiting member A vehicle rearview mirror system includes a rearview mirror assembly having an electro-optic reflective element, a housing for the reflective element and a control establishing a reflectance level of the reflective element. The control includes a circuit board havin... | 03/07/2006 |
| 7009751 | Electrochromic rearview mirror incorporating a third surface partially transmissive reflector The inventive electrochromic mirror may be used in a vehicle rearview mirror assembly having a light source positioned behind the electrochromic mirror for selectively projecting light through the mirror. The electrochromic mirror includes front and rear spaced elem... | 03/07/2006 |
| 7004592 | Electrochromic mirrors and devices An electrochromic rearview mirror suitable for a motor vehicle is disclosed. The mirror includes a display device disposed behind the rear substrate. ... | 02/28/2006 |
| 6970074 | Wireless remote vehicle signal indicator for supplementing existing vehicle signal indicators A remote motor vehicle signal indicator system consists of a transmitter coupled to a vehicle indication signal drive line. The transmitter wirelessly transmits a receiver activation signal corresponding to a vehicle indication signal of the vehicle indication signa... | 11/29/2005 |
| 6940626 | Multilayered arrangement for electro-optical device A layer arrangement including at least one transparent substrate having an electrically conductive layer, an electro-optically active layer, and a further substrate having an electrically conductive layer, characterized in that at least one of the two electrically c... | 09/06/2005 |
| 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 together with some spaces therebetween, each having an etched outer surfa... | 08/16/2005 |
| 6917395 | Conductive member and liquid crystal display having the same A conductive member fixes an integrated PCB to a rear surface of a mold frame and electrically connects the PCB to a top chassis. The conductive member includes a body portion contacting a sidewall of the mold frame, a first wing portion extended from a first end of... | 07/12/2005 |
| 6914676 | System and method for optical multiplexing and/or demultiplexing Improved methods and systems for routing and aligning beams and optical elements in an optical device include a multiplexing device and/or a demultiplexing device, which includes an optical alignment element (OAE). The OAE can be configured to substantially compensa... | 07/05/2005 |
| 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 controlling device for controlling an anti-dazzling effect produced ... | 12/03/2002 |
| 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 antiglare film fulfills the following three conditions: 0.3 | 12/03/2002 |
| 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 glazing. A method for making is also described. The glazing ex... | 10/15/2002 |
| 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 crystal panel. The optical characteristic variable lens i... | 02/20/1996 |
| 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 period. The transmission coefficient of the screen (20, 2... | 01/23/1996 |
| 5331448 | Liquid crystal display device and preparation and use thereof A liquid crystal device having a pair of electrodes at least one of which is transparent and a mixture film of a side chain type liquid crystalline polymer and at least two low molecular weight liquid crystals which film is sandwiched between said pair of... | 07/19/1994 |
| 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 widths and the attenuation intensity of the attenuation zones (... | 06/21/1994 |
| 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 circuit, wherein said optically active material presents an e... | 11/30/1993 |
| 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 or gel containing electro optic devices, such as an electro... | 04/13/1993 |
| 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 electro-optic medium having a light transmittance which is var... | 02/23/1993 |
| 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) having maximum reflectivity in the range corresponding to s... | 12/01/1992 |
| 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 incident electromagnetic radiation may be transmitted; liquid cry... | 05/12/1992 |
| 5073012 | Anti-scatter, ultraviolet protected, anti-misting, electro-optical assemblies A laminate, electro-optic rearview mirror assembly is disclosed which is protected against scattering fragments while reducing risk of laceration if broken/damaged, against ultraviolet (UV) radiation degradation, and against fogging or misting in high hum... | 12/17/1991 |
| 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 chamber is partially filled with the liquid crystal and wi... | 08/06/1991 |
| 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 the edge of each plate in contact zones which are provided ... | 07/16/1991 |
| 4988167 | 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 incident electromagnetic radiation may be transmitted; liquid cry... | 01/29/1991 |
| 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 crystal of negative dielectric anisotropy mixed with a blue dye by... | 07/18/1989 |
| 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 wavelength substantially the same as the wavelength of the ... | 05/16/1989 |
