Patent application number | Description | Published |
20090153944 | SPD FILMS AND LIGHT VALVES INCORPORATING OVERCOATINGS WHICH ENHANCE FILM ADHESION TO SUBSTRATES, HAVE GOOD COHESION AND PROTECT AGAINST ELECTRICAL SHORT CIRCUITS - An electro-optical device, e.g., a suspended particle device (SPD) adapted for controlling the transmission of radiation wherein the device is provided with at least one layer of an overcoating adapted to enhance adhesion on at least a portion of a surface between a film serving as a light modulating element and electrode means for applying an electrical field to said film, wherein the overcoating is formed from a material comprising a member selected from the group consisting of (a) titanium dioxide (TiO | 06-18-2009 |
20110030290 | ENERGY EFFICIENT FENESTRATION PRODUCT WITH SUSPENDED PARTICLE DEVICE - A fenestration product in accordance with an embodiment of the present application includes an insulated glass unit with a frame, an SPD film mounted in the frame and a pane of glass mounted in the frame adjacent to the SPD film with a gap formed between the pane of glass and the pane of glass. The gap is preferably filled with Argon gas. | 02-10-2011 |
20110100709 | SPD FILMS AND LIGHT VALVE LAMINATES WITH IMPROVED BUS-BAR CONNECTIONS - A connection between a power bus and a conducting layer of a suspended particle device in accordance with an embodiment of the present application includes an adhesive combined with metallic particles to impart both good adhesion and electrical conductivity. The adhesive is applied to a surface of the conducting layer. A conducting copper foil or conducting fabric is adhered to the adhesive and forms at least a portion of the power bus. | 05-05-2011 |
20120236393 | SPD FILMS FORMED WITH CONDUCTIVE POLYMER-COATED SUBSTRATES - A suspended particle device (SPD) film or laminate thereof. The film includes substrates coated on their inner surface with a polythiophene-based conductive polymer serving as electrode means. The polymer may be applied in the form of an aqueous composition also comprising solvent(s) and binder(s). A preferred polymer is a polyethylene dioxythiophene (PEDT) polymer. The polymer may be doped with polystyrene sulfonate. The polymer may be connected to a conductive material that extends beyond an outer boundary of the film to connect with a voltage source. Adhesive strength between the cured emulsion and the polymer is at least 1.46 N/25 mm. A further aspect constitutes a method for increasing adhesion between a cured suspended particle device emulsion and electrode means in a light valve film. The method comprises applying the polymer on an inner surface of the substrates constituting the film to serve as the electrode means. | 09-20-2012 |
20130208342 | SPD FILMS WITH DARKER OFF-STATE TRANSMITTANCES AND LIGHTER ON-STATE TRANSMITTANCES - A light valve film forming a light-modulating element of a light valve, the film comprised of a cross-linked polymer matrix with a plurality of droplets of a liquid light valve suspension distributed therein. The film has a phase ratio: % particle number value calculated by the formula: | 08-15-2013 |
20140320950 | METHOD AND DEVICE FOR PROTECTING OBJECTS FROM DEGRADATION BY LIGHT WITH SUSPENDED PARTICLE DEVICE LIGHT VALVES - A display device comprising a Suspended Particle Device film or other material for controlling the amount of illumination transmitted to an object from one or more light sources to protect the object from degradation by light is described. The display is capable of being dark when the object is not being viewed and being highly transmissive when the object is to be viewed. If desired, the display device may be controlled so as to provide a substantially constant amount of illumination when the object is viewed or intended to be viewed. A method of protecting an object using the display device is also provided. | 10-30-2014 |