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| 20130054052 | MULTIMODE VEHICULAR NAVIGATION CONTROL - Included are embodiments for multimode vehicular navigation control. Some embodiments include a vehicle that has a memory component and a vehicle control module (VCM), where the VCM includes a controller. Additionally, the memory component may store functional modes of operation and control modes of operation, each of the control modes of operation being associated with a mechanism for controlling the vehicle, and each of the functional modes of operation being associated with a desired function of the vehicle. In some embodiments the VCM receives control commands from a system operator and implements the control commands, utilizing the controller. In some embodiments, at least one of the control modes of operation is configured for automatic control of the vehicle and at least one of the control modes of operation is a torque control mode for providing a power signal directly to a vehicle motor, without utilization of the controller. | 02-28-2013 |
| 20130054076 | VEHICULAR NAVIGATION CONTROL INTERFACE - Included are systems and methods for providing a vehicular navigation control interface. Some embodiments include a navigation system and a vehicle with a vehicle control module (VCM), a navigation control module (NCM), and a navigation control interface, where the VCM receives a manual command from an operator to implement a manual control function. In some embodiments the NCM receives an automatic command from the navigation system to implement an automatic control function via the VCM and the navigation control interface directly connects the VCM and the NCM to facilitate communication between the VCM and NCM for implementing automatic mode and for reporting implementation of a manual mode. | 02-28-2013 |
| 20130054077 | VEHICLE CONTROL LIMITS - Included are embodiments for providing vehicle control limits. One embodiment of a system includes a navigation system and a vehicle that includes a memory component that stores a program. Embodiments of the system are configured to receive an indication for automatic control of the vehicle, receive a route for the vehicle to reach a destination for completing a work order from the navigation system, and determine a vehicle limit, wherein the vehicle limit is based on a current state of the vehicle. Some embodiments are configured to communicate the vehicle limit from a vehicle control module (VCM) to a navigation control module (NCM), determine, via the NCM, an automatic command based on the destination and the vehicle limit and send the automatic command to a motor of the vehicle. | 02-28-2013 |
| 20140188324 | VEHICULAR NAVIGATION CONTROL INTERFACE - Included are systems and methods for providing a vehicular navigation control interface. Some embodiments include a navigation system and a vehicle with a vehicle control module (VCM), a navigation control module (NCM), and a navigation control interface, where the VCM receives a manual command from an operator to implement a manual control function. In some embodiments the NCM receives an automatic command from the navigation system to implement an automatic control function via the VCM and the navigation control interface directly connects the VCM and the NCM to facilitate communication between the VCM and NCM for implementing automatic mode and for reporting implementation of a manual mode. | 07-03-2014 |
| 20140195076 | VEHICLE CONTROL LIMITS - Included are embodiments for providing vehicle control limits. One embodiment of a system includes a navigation system and a vehicle that includes a memory component that stores a program. Embodiments of the system are configured to receive an indication for automatic control of the vehicle, receive a route for the vehicle to reach a destination for completing a work order from the navigation system, and determine a vehicle limit, wherein the vehicle limit is based on a current state of the vehicle. Some embodiments are configured to communicate the vehicle limit from a vehicle control module (VCM) to a navigation control module (NCM), determine, via the NCM, an automatic command based on the destination and the vehicle limit and send the automatic command to a motor of the vehicle. | 07-10-2014 |
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| 20090233167 | Capacity Increasing Current Collector and Fuel Gauge for Lithium-Containing Electrochemical Cell - An electrochemical battery cell having a negative electrode, such as a negative electrode, including lithium, that is provided with a fuel gauge or end of life indicator capable of generating a voltage step preferably indicating that the cell is close to the end of its life and should be replaced, wherein the voltage step is detectable by a device associated with the cell. Additional capacity is added to the cell by utilizing a current collector comprising a consumable electrochemically active material having a lower potential than the electrochemically active material of the associated electrode, such as lithium, and a discharge voltage above a predetermined cut-off voltage. | 09-17-2009 |
| 20100040941 | Flexible Thin Printed Battery and Device and Method of Manufacturing Same - A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention. | 02-18-2010 |
| 20100209756 | Flexible Thin Printed Battery and Device and Method of Manufacturing Same - A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention. | 08-19-2010 |
| 20100250164 | Battery End of Life Determination - A method for determining an end of life of a battery includes determining a discharge capacity of the battery at a given moment in time, determining a discharge capacity at a functional endpoint of the battery, and determining a fuel remaining in the battery at the given moment in time as a function of both the discharge capacity at the given moment in time and the discharge capacity of the battery at the functional endpoint of the battery. The determined fuel remaining is indicative of an end of life of the battery. | 09-30-2010 |
| 20110194992 | Fuel Cell Cartridge - A hydrogen gas generating apparatus for providing hydrogen gas to a fuel cell stack is provided. The apparatus includes an expandable reaction chamber containing a solid reactant component and a collapsible receptacle containing a liquid reactant component with a housing. The reaction chamber includes an expandable reactant zone defined by a moveable partition that retains the reactants and reaction products within the reaction chamber. The apparatus also includes a liquid transport control system and a fluid path for transporting the liquid reactant component from the collapsible receptacle to the reactant zone in the reaction chamber, where the liquid and solid reactant components react to generate hydrogen gas. The receptacle collapses with a corresponding expansion of the reaction chamber as liquid reactant component is used, and the reactant zone expands within the reaction chamber in response to pressure from the increasing volume of reaction products on the moveable partition. Volume exchange among the expandable reaction chamber, the expandable reactant zone and the collapsible receptacle provides a high volume of hydrogen gas from a hydrogen generating apparatus of limited volume. | 08-11-2011 |
| 20110274959 | Flexible Thin Printed Battery and Device and Method of Manufacturing Same - A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention. | 11-10-2011 |
| 20120107666 | Flexible Thin Printed Battery and Device and Method of Manufacturing Same - A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention. | 05-03-2012 |
| 20120269694 | Hydrogen Generator with Improved Volume Efficiency - A hydrogen generator with improved volume efficiency and a method of producing hydrogen gas with the hydrogen generator are disclosed. A fluid containing a reactant is transported from a reactant storage area to a reaction area. Hydrogen gas and an effluent pass from the reaction area into the effluent storage area that is in a volume exchanging relationship with one or both of the reactant storage area and the reaction area. An initially compressed filter is disposed in the effluent storage area to remove solids from the hydrogen gas. The filter is attached to a moveable partition separating the effluent storage area from the reactant storage area and/or the reaction area, and the filter expands as the volume of the effluent storage area increases. | 10-25-2012 |
| 20130004865 | Hydrogen Gas Generator - The invention is a hydrogen generator with a liquid reservoir, a reaction area, a byproduct containment area and a hydrogen containment area within a housing. A liquid from the liquid reservoir can react within the reaction area to produce hydrogen gas and byproducts, which flow to the byproduct containment area, and hydrogen gas passes into the hydrogen containment area and is released from the housing through a hydrogen outlet as needed. The liquid reservoir and the reaction area are each within a container made of a liquid impermeable material, the byproduct containment area is within a flexible container made of a hydrogen permeable, liquid impermeable material, and the hydrogen containment area is within a flexible container made of a hydrogen impermeable material. The byproduct containment area is in a volume exchanging relationship with one or both of the liquid reservoir and the reaction area. | 01-03-2013 |
| 20130108940 | Hydrogen Generator | 05-02-2013 |
| 20140050625 | Hydrogen Generator Having Liquid Delivery Member - A hydrogen generator is provided for generating hydrogen gas for a fuel cell stack. The hydrogen generator includes container, and a first reactant storage area configured to contain a liquid first reactant. The hydrogen generator also includes a reaction area and a solid second reactant within the reaction area, and a hydrogen outlet. The hydrogen generator further includes a flexible liquid delivery member extending into the reaction area and configured to deliver liquid reactant from the first reactant storage area to the reaction area. The flexible liquid delivery member includes a flexible portion that flexes to allow the delivery member to move with the solid second reactant as the second reactant is consumed. | 02-20-2014 |
| 20140056772 | Hydrogen Generator Having Reactant Pellet with Concentration Gradient - A hydrogen generator is provided for generating hydrogen gas for a fuel cell stack. The hydrogen generator includes a container, and a liquid reactant storage area configured to contain a liquid including a first reactant. The hydrogen generator also includes a reaction area within the container, and a solid containing a second reactant within the reaction area and having a concentration gradient that varies along an axis such as length of the solid. The hydrogen generator further includes a liquid delivery member for delivering the liquid to the solid in the reaction area to generate hydrogen. The concentration gradient controls a reaction rate of the first and second reactants. | 02-27-2014 |
| 20140154171 | Hydrogen Generation from Stabilized Alane - A hydrogen generator and a method of producing hydrogen gas using stabilized aluminum hydroxide and water are disclosed. The hydrogen generator contains stabilized aluminum hydride, water, a base, and a reaction chamber within which at least a portion of the stabilized aluminum hydride reacts with at least a portion of the water to produce hydrogen gas. The water that reacts with the stabilized aluminum hydride is contained in a basic aqueous solution including at least a portion of the base. The base can be included with the water in the basic aqueous solution, stored in a reservoir separate from the stabilized aluminum hydroxide, or the base can be a solid contained in a mixture with the stabilized aluminum hydroxide and mix with water when added to the mixture to form the basic aqueous solution. | 06-05-2014 |
| 20140248185 | Method of Generating Hydrogen Gas - Methods for generating hydrogen gas and related systems are disclosed. Aspects of methods include providing a solid reactant component to an expandable reactant zone within an expandable reaction chamber, providing a liquid reactant component to a collapsible receptacle, controllably transporting the liquid reactant component in the collapsible receptacle to the expandable reaction chamber, and reacting the liquid reactant component with the solid reactant component. In some instances, components are configured for volume exchange among the expandable reaction chamber, the expandable reactant zone, and the collapsible receptacle. | 09-04-2014 |
| 20140248546 | HYDROGEN GENERATOR FOR A FUEL CELL - A hydrogen generator includes a housing, a pellet strip with a plurality of pellets disposed on a flexible carrier, the pellets including a hydrogen containing material that will release hydrogen gas when heated. A feed system feeds the pellet strip to sequentially position one or more pellets in proximity to a heater that heats the pellets to release hydrogen gas. The pellet strip can be folded or wound on a reel, stored in a compartment in the hydrogen generator or in a user-replaceable container. The hydrogen generator can be part of a fuel cell system that includes the hydrogen generator and a fuel cell battery. | 09-04-2014 |
| 20140295304 | METHODS OF GENERATING HYDROGEN GAS AND POWER - A hydrogen generator and a fuel cell system including a fuel cell battery and the hydrogen generator. The hydrogen generator includes a cartridge, a housing with a cavity to removably contain the cartridge, and an initiation system. The cartridge includes a casing; a plurality of pellets including a hydrogen containing material; a plurality of solid heat transfer members in contact with but not penetrating the casing; a hydrogen outlet in the casing; and a hydrogen flow path from each pellet to the hydrogen outlet. A plurality of heating elements is disposed inside the housing. When the cartridge is in the cavity, each heating element is disposed so heat can be conducted from the heating element and through the casing and corresponding heat transfer member to initiate the release of hydrogen gas. The initiation system can selectively heat one or more pellets to release hydrogen gas as needed. | 10-02-2014 |
| 20150023846 | Hydrogen Generator - A hydrogen generator and a fuel cell system including a fuel cell battery and the hydrogen generator. The hydrogen generator includes a cartridge, a housing with a cavity to removably contain the cartridge, and an initiation system. The cartridge includes a casing; a plurality of pellets including a hydrogen containing material; a plurality of solid heat transfer members in contact with but not penetrating the casing; a hydrogen outlet in the casing; and a hydrogen flow path from each pellet to the hydrogen outlet. A plurality of heating elements is disposed inside the housing. When the cartridge is in the cavity, each heating element is disposed so heat can be conducted from the heating element and through the casing and corresponding heat transfer member to initiate the release of hydrogen gas. The initiation system can selectively heat one or more pellets to release hydrogen gas as needed. | 01-22-2015 |
| 20150151265 | Hydrogen Generator with Improved Volume Efficiency - A hydrogen generator with improved volume efficiency and a method of producing hydrogen gas with the hydrogen generator are disclosed. A fluid containing a reactant is transported from a reactant storage area to a reaction area. Hydrogen gas passes through, and an effluent pass from the reaction area into the effluent storage area that is in a volume exchanging relationship with one or both of the reactant storage area and the reaction area. An initially compressed filter is disposed in the effluent storage area to remove solids from the hydrogen gas. The filter is attached to a moveable partition separating the effluent storage area from the reactant storage area and/or the reaction area, and the filter expands as the volume of the effluent storage area increases. | 06-04-2015 |
| 20150155578 | Hydrogen Generator with Improved Volume Efficiency - A hydrogen generator with improved volume efficiency and a method of producing hydrogen gas with the hydrogen generator are disclosed. A fluid containing a reactant is transported from a reactant storage area to a reaction area. Hydrogen gas passes through, and an effluent pass from the reaction area into the effluent storage area that is in a volume exchanging relationship with one or both of the reactant storage area and the reaction area. An initially compressed filter is disposed in the effluent storage area to remove solids from the hydrogen gas. The filter is attached to a moveable partition separating the effluent storage area from the reactant storage area and/or the reaction area, and the filter expands as the volume of the effluent storage area increases. | 06-04-2015 |
| 20150203353 | FUEL UNIT, GAS GENERATOR AND SYSTEM - Disclosed is a fuel unit for a gas generator such as a hydrogen gas generator that can supply gas to a gas consuming system such as a fuel cell system. The fuel unit includes a housing containing a solid fuel composition and a heat producing material. The fuel composition contains gas releasing solid material that reacts to release gas when heated. The heat producing material reacts exothermically to produce heat. A plurality of quantities of the heat producing material are in thermal communication with corresponding portions of an unsegregated quantity the fuel composition such that, following initiation of a reaction of each quantity of the heat producing material, the quantity of heat producing material will heat the corresponding portion of the unsegregated quantity of the fuel composition, and the corresponding portion of the unsegregated quantity of the fuel composition will react to release a quantity of the gas. | 07-23-2015 |
| 20150244014 | Hydrogen Generator Having Reactant Pellet with Concentration Gradient - A hydrogen generator is provided for generating hydrogen gas for a fuel cell stack. The hydrogen generator includes a container, and a liquid reactant storage area configured to contain a liquid including a first reactant. The hydrogen generator also includes a reaction area within the container, and a solid containing a second reactant within the reaction area and having a concentration gradient that varies along an axis such as length of the solid. The hydrogen generator further includes a liquid delivery member for delivering the liquid to the solid in the reaction area to generate hydrogen. The concentration gradient controls a reaction rate of the first and second reactants. | 08-27-2015 |
| 20160002030 | HYDROGEN GENERATOR HAVING LIQUID DELIVERY MEMBER - A hydrogen generator and method for generating hydrogen gas for a fuel cell stack. The hydrogen generator includes container, and a first reactant storage area configured to contain a liquid first reactant. The hydrogen generator also includes a reaction area and a solid second reactant within the reaction area, and a hydrogen outlet. The hydrogen generator further includes a flexible liquid delivery member extending into the reaction area and configured to deliver liquid reactant from the first reactant storage area to the reaction area. The flexible liquid delivery member includes a flexible portion that flexes to allow the delivery member to move with the solid second reactant as the second reactant is consumed. | 01-07-2016 |
| 20160104907 | Hydrogen Generator - A hydrogen generator and a fuel cell system including a fuel cell battery and the hydrogen generator. The hydrogen generator includes a cartridge, a housing with a cavity to removably contain the cartridge, and an initiation system. The cartridge includes a casing; a plurality of pellets including a hydrogen containing material; a plurality of solid heat transfer members in contact with but not penetrating the casing; a hydrogen outlet in the casing; and a hydrogen flow path from each pellet to the hydrogen outlet. A plurality of heating elements is disposed inside the housing. When the cartridge is in the cavity, each heating element is disposed so heat can be conducted from the heating element and through the casing and corresponding heat transfer member to initiate the release of hydrogen gas. The initiation system can selectively heat one or more pellets to release hydrogen gas as needed. | 04-14-2016 |
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| 20090038279 | Diesel Particulate Filter and Method of Making - A filter assembly for a diesel particulate filter, the filter assembly having: a first end disk; a second end disk; a center tube secured to the first end disk by a sealing glass; a filter media secured to the first end disk and the second end disk by a sealing glass. | 02-12-2009 |
| 20120000171 | DIESEL PARTICULATE FILTER AND METHOD OF MAKING - A filter assembly for a diesel particulate filter is provided, the filter assembly having: a first end disk; a second end disk; a center tube secured to the first end disk by a sealing glass; a filter media secured to the first end disk and the second end disk by a sealing glass. | 01-05-2012 |
| 20120139405 | ANTI-FOULING SPARK PLUG AND METHOD OF MAKING - Disclosed herein is a spark plug comprising an insulative sleeve having a central axial bore and an exterior surface and a center electrode extending through the central axial bore of the insulative sleeve. The insulating sleeve is positioned within, and secured to, a metal shell that serves as a mounting platform and interface to an internal combustion engine. The metal sleeve also supports a ground electrode that is positioned in a spaced relationship relative to the center electrode so as to generate a spark gap. The insulating sleeve includes a shaped tip portion that resides in a recessed end portion of the metal shell. A coating is disposed on the exterior surface of the shaped tip portion of the insulative sleeve. The coating comprises a metal oxide, a noble metal, late transition metal, or a combination comprising two or more of the foregoing metals. | 06-07-2012 |
| 20120169205 | ANTI-FOULING SPARK PLUG AND METHOD OF MAKING - Disclosed herein is a spark plug comprising an insulative sleeve having a central axial bore and an exterior surface and a center electrode extending through the central axial bore of the insulative sleeve. The insulating sleeve is positioned within, and secured to, a metal shell that serves as a mounting platform and interface to an internal combustion engine. The metal sleeve also supports a ground electrode that is positioned in a spaced relationship relative to the center electrode so as to generate a spark gap. The insulating sleeve includes a shaped tip portion that resides in a recessed end portion of the metal shell. A coating is disposed on the exterior surface of the insulative sleeve. The coating comprises a silicone resin, optionally in combination with a filler. | 07-05-2012 |
| 20120299457 | ANTI-FOULING SPARK PLUG AND METHOD OF MAKING - A spark plug is provided. The spark plug has an insulative sleeve with a central axial bore and an exterior surface of a shaped tip portion. A coating is disposed on the exterior surface of the shaped tip portion and the coating comprises a transition metal compound or a combination of transition metal compounds, and an alkali metal compound. A center electrode extends through the central axial bore of the insulative sleeve. A metal sleeve is provided, wherein the insulating sleeve is positioned within, and secured to, the metal shell. A ground electrode is coupled to the metal shell and positioned in a spaced relationship relative to the center electrode so as to define a spark gap. | 11-29-2012 |
| 20120306345 | Spark Plug - A spark plug is provided having a resistor. The resistor is made from resistor glass material containing an alkali free barium alumino-silicate glass mixed with mullite. In one embodiment, the resistor is a 15 to 30 wt % alkali free barium alumino-silicate glass and 10 to 25 wt % mullite. The resistor material provides for a greater processing kiln temperature range with reduced resistor variability and improved durability performance. | 12-06-2012 |
| 20130214672 | FOULING RESISTANT SPARK PLUG - An insulator for a spark plug is provided having an insulator tip. The insulator tip includes a feature extending radially inward from an exterior surface of the insulator tip. | 08-22-2013 |
| 20130300278 | FOULING RESISTANT SPARK PLUG - Disclosed herein is a spark plug comprising an insulative sleeve. A glaze coating is disposed on the exterior surface of the insulative sleeve. The glaze coating comprises a silicate glass, a phosphorous glass, a borosilicate glass, or a combination of the foregoing glasses wherein the glasses are independently modified with a modifier selected from the group consisting of alkali group metals, alkali earth group metals, aluminum, and a combination of two or more of the foregoing modifiers and further wherein the glaze coating has a glass transition temperature (Tg) of 300 to 1000 degrees Celsius. | 11-14-2013 |
| 20140131927 | ANTI-FOULING SPARK PLUG AND METHOD OF MAKING - A spark plug is provided. The spark plug has an insulative sleeve with a central axial bore and an exterior surface of a shaped tip portion. A coating is disposed on the exterior surface of the shaped tip portion and the coating comprises a transition metal compound or a combination of transition metal compounds, and an alkali metal compound. A center electrode extends through the central axial bore of the insulative sleeve. A metal sleeve is provided, wherein the insulating sleeve is positioned within, and secured to the metal shell. A ground electrode is coupled to the metal shell and positioned in a spaced relationship relative to the center electrode so as to define a spark gap. | 05-15-2014 |
| 20140134912 | SPARK PLUG - A spark plug is provided having a resistor. The resistor is made from resistor glass material containing an alkali free barium alumino-silicate glass mixed with mullite. In one embodiment, the resistor is a 15 to 30 wt % alkali free barium alumino-silicate glass and 10 to 25 wt % mullite. The resistor material provides for a greater processing kiln temperature range with reduced resistor variability and improved durability performance. | 05-15-2014 |
| 20150228384 | COMPOSITION FOR AND METHOD OF MAKING AN INSULATOR FOR A SPARK PLUG - A method of manufacturing an insulator for a spark plug comprises the steps of combining at least two raw materials to form a powdered insulator formulation, spray drying the powdered insulator formulation, and pressing the powdered insulator formulation to create an insulator blank. The method further includes the steps of bisque firing the insulator blank, grinding the bisque fired insulator blank to form the insulator, and sintering the insulator. | 08-13-2015 |
| 20150311682 | METHOD OF APPLYING A COATING TO A SPARK PLUG INSULATOR - A method of applying a coating to a spark plug insulator comprises the steps of forming a slurry solution and applying the slurry solution as a first coating to an insulative sleeve configured for use in a spark plug. The method further includes the step of heat treating the insulative sleeve to a temperature of between about 500 degrees Celsius and about 1000 degrees Celsius for between about 10 minutes and about 2 hour(s). Still further, the method includes the step of applying a second coating overlying at least a portion of the first coating, wherein the second coating comprises an organic binder. | 10-29-2015 |
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| 20080237552 | Optical compensation films with mesogen groups for liquid crystal display - Optical compensation films (positive C-plate) with mesogen anisotropic subunits (OASUs) that have high positive birefringence throughout the wavelength range 400 nm<λ<800 nm are provided. The optical compensation films may be processed by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. Such optical compensation films are suitable for use as a positive C-plate in LCDs, particularly IPS-LCDs. | 10-02-2008 |
| 20080239491 | Optical compensation films having positive birefringence for liquid crystal display - A method for controlling positive birefringence in an optical compensation film (positive C-plate) having high positive birefringence throughout the wavelength range 400 nm<λ<800 nm is provided. The method includes selecting polymers with optically anisotropic subunits (OASUs) that exhibit the buttressing effect, wherein the OASUs may be disks, mesogens or aromatic rings substituted with birefringence enhancing substituents. The method further includes processing the polymer by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. These optical compensation films may be used in LCDs, particularly IPS-LCDs. | 10-02-2008 |
| 20080241427 | Liquid crystal display having improved wavelength dispersion characteristics - A multilayer optical retardation compensation film having at least one positive C-plate and at least one negative C-plate is used in an LCD device. The multilayer film may have a substantially flat wavelength dispersion curve, or the multilayer film combined with other layers in the LCD device may have a substantially flat wavelength dispersion curve. Polymer films for the positive C-plate may be identified according to their absorbance maxima at certain wavelength ranges. | 10-02-2008 |
| 20080241428 | Optical compensation films with disk groups for liquid crystal display - Optical compensation films (positive C-plate) with disk anisotropic subunits (OASUs) that have high positive birefringence throughout the wavelength range 400 nm<λ<800 nm are provided. The optical compensation films may be processed by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. Such optical compensation films are suitable for use as a positive C-plate in LCDs, particularly IPS-LCDs. | 10-02-2008 |
| 20080241565 | Optical compensation films with birefringence enhancing substituents for liquid crystal display - Optical compensation films (positive C-plate) with anisotropic subunits (OASUs) that are aromatic rings substituted with birefringence enhancing substituents (BES) and have high positive birefringence throughout the wavelength range 400 nm<λ<800 nm are provided. The optical compensation films may be processed by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. Such optical compensation films are suitable for use as a positive C-plate in LCDs, particularly IPS-LCDs. | 10-02-2008 |
| 20090068380 | Optical compensation films based on stretched polymer films - The present invention provides uniaxially stretched polymer films that have a refractive index profile suitable for use as negative A-plates or biaxial birefringent plates in a liquid crystal display (LCD) device. These wave plates can be used to compensate for the phase retardations existing in various modes of LCDs including TN (twisted nematic), VA (vertically aligned), IPS (in-plane switching), and OCB (optically compensated bend), and therefore improving the viewing quality of the displays. | 03-12-2009 |
| 20140211311 | LIQUID CRYSTAL DISPLAY HAVING IMPROVED WAVELENGTH DISPERSION CHARACTERISTICS - A multilayer optical retardation compensation film having at least one positive C-plate and at least one negative C-plate is used in an LCD device. The multilayer film may have a substantially flat wavelength dispersion curve, or the multilayer film combined with other layers in the LCD device may have a substantially flat wavelength dispersion curve. Polymer films for the positive C-plate may be identified according to their absorbance maxima at certain wavelength ranges. | 07-31-2014 |
