Abstract: Dichroic dyes, compositions thereof, and liquid crystal compositions, microencapsulated liquid crystal compositions and liquid-crystal display elements employing the same. The dichroic dyes have high photostability in addition to excellent solubility. Furthermore, the liquid crystal composition employing the above dichroic dyes can have an orientational order parameter more than 0.7.

Abstract: A liquid crystalline medium comprises a plurality of polymerizable monomers and a plurality of liquid crystal molecules. The liquid crystal molecules are selected from at least one of compounds 1, 2, 3, 4, 5, and 6. “G1”, “G3” and “G5” are independently alkyl having 1 to 8 carbons or alkyenyl having 2 to 8 carbons. “G2” and “G6” are independently alkyl having 1 to 8 carbons or alkoxy having 1 to 7 carbons. “G4” is alkyl of 1 to 8 carbons, alkyenyl of 2 to 8 carbons or alkoxy of 1 to 7 carbons. “Z1” is single bond, ethyl or methoxy. “Z2” is single bond, ethyl, methoxy, or caroboxyl. “Z3” is single bond, ethyl, difluoromethoxy, difluoropropoxy or ethyl carboxyl. “Z4” is single bond, ethyl, difluoromethoxy, or difluoropropoxy. are independently 1,4-cyclohexylene or 1,4-phenylene. One of “E1” and “E2” is fluorine, and the other is chlorine.

Abstract: A system and method are disclosed for reducing reverse bias in an electrophoretic display. The system and method include the application of varying levels of voltages across an array of electrophoretic display cells of the electrophoretic display to move the cells towards a stable state in a driving cycle. In addition, the system and method disconnect the voltages from the electrophoretic display cells at a time duration prior to reaching step transitions of the voltages during the driving cycle. Pre-driving approaches apply a first pre-driving voltage at a first polarity to the display cells before driving the display cells with a second driving voltage at a second, opposite polarity. Varying the time duration and amplitude of the pre-driving signals produces further beneficial reduction in reverse bias.

Abstract: A system and method are disclosed for reducing reverse bias in an electrophoretic display. The system and method include the application of varying levels of voltages across an array of electrophoretic display cells of the electrophoretic display to move the cells towards a stable state in a driving cycle. In addition, the system and method disconnect the voltages from the electrophoretic display cells at a time duration prior to reaching step transitions of the voltages during the driving cycle. Pre-driving approaches apply a first pre-driving voltage at a first polarity to the display cells before driving the display cells with a second driving voltage at a second, opposite polarity. Varying the time duration and amplitude of the pre-driving signals produces further beneficial reduction in reverse bias.

Abstract: Dichroic dyes, compositions thereof, and liquid crystal compositions, microencapsulated liquid crystal compositions and liquid-crystal display elements employing the same. The dichroic dyes have high photostability in addition to excellent solubility. Furthermore, the liquid crystal composition employing the above dichroic dyes can have an orientational order parameter more than 0.7.

Abstract: A slide-in structure (210) inside a cradle set (200) for accommodating a personal digital assistant (PDA) module (10) is disclosed. The slide-in structure comprises a base plate (220), a sliding stand (230) and a pushing arm (240). A connector (204) of the cradle set is fastened to the sliding stand via a circuit board (206). The base plate has a pair of sidewalls (222, 224) and two sliding grooves (226) located on of the sidewalls. The two ends of the sliding stand are inserted into the respective sliding grooves so that the sliding stand is free to move relative to the sliding grooves. The pushing arm is in contact with the sliding stand. The pushing arm resiliently pushes the sliding stand to one side of the sliding grooves and provides a buffering force when the PDA module engages with/disengages from the connector in the cradle set.

Abstract: A system and method are disclosed for reducing reverse bias in an electrophoretic display. The system and method include the application of varying levels of voltages across an array of electrophoretic display cells of the electrophoretic display to move the cells towards a stable state in a driving cycle. In addition, the system and method disconnect the voltages from the electrophoretic display cells at a time duration prior to reaching step transitions of the voltages during the driving cycle. Pre-driving approaches apply a first pre-driving voltage at a first polarity to the display cells before driving the display cells with a second driving voltage at a second, opposite polarity. Varying the time duration and amplitude of the pre-driving signals produces further beneficial reduction in reverse bias.

Abstract: A catalyst for the selective hydrogenation of olefins especially dienes, its preparation and use, said catalyst comprising an alumina support and cobalt and/or nickel selected from Group VIII, molybdenum and/or tungsten from Group VIB and alkali metal components supported on said support, characterized in that the catalyst contains 0.5-8% by weight of cobalt and/or nickel selected from Group VIII, 2-15% by weight of molybdenum and/or tungsten from Group VIB, over 2-8% by weight of alkali metals, and a balanced amount of alumina support calculated for oxides and based on the catalyst. Compared to the prior catalysts, the activity and selectivity for olefins especially dienes of the catalyst are higher when used in the hydrogenation of a gasoline distillate.

Abstract: Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.

Abstract: A slide-in structure (210) inside a cradle set (200) for accommodating a personal digital assistant (PDA) module (10) is disclosed. The slide-in structure comprises a base plate (220), a sliding stand (230) and a pushing arm (240). A connector (204) of the cradle set is fastened to the sliding stand via a circuit board (206). The base plate has a pair of sidewalls (222, 224) and two sliding grooves (226) located on of the sidewalls. The two ends of the sliding stand are inserted into the respective sliding grooves so that the sliding stand is free to move relative to the sliding grooves. The pushing arm is in contact with the sliding stand. The pushing arm resiliently pushes the sliding stand to one side of the sliding grooves and provides a buffering force when the PDA module engages with/disengages from the connector in the cradle set.

Abstract: Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.

Abstract: A battery charger (1) for charging different types of battery boards of notebook computers at different time includes a charging box (10), a plug connector (60) for connecting with a power supplying device and a cable (70) connecting the plug connector with the charging box. The charging box includes a base (11), a cover (12) mounted onto the base, a first and a second connectors (20), (40) arranged in the charging box for charging a first and a second battery boards (8), (9), a first and a second circuit boards (30), (50) for electrically connecting with said first and second connectors. The cover has a platform (121) and a protrusion (122) extending from a rear end of the platform. A first and a second openings (1221), (1211) are respectively arranged on a front wall of the protrusion and a top wall of the platform for mating with the battery boards.

Abstract: A battery charger (1) for charging different types of battery boards of notebook computers at different time includes a charging box (10), a plug connector (60) for connecting with a power supplying device and a cable (70) connecting the plug connector with the charging box. The charging box includes a base (11), a cover (12) mounted onto the base, a first and a second connectors (20), (40) arranged in the charging box for charging a first and a second battery boards (8), (9), a first and a second circuit boards (30), (50) for electrically connecting with said first and second connectors. The cover has a platform (121) and a protrusion (122) extending from a rear end of the platform. A first and a second openings (1221), (1211) are respectively arranged on a front wall of the protrusion and a top wall of the platform for mating with the battery boards.

Abstract: Micromechanical actuation apparatus includes a substrate with an actuator mounted on the substrate and a micro-transmission mounted on the substrate coupled to the electrothermal actuator. The actuator, such as an electrothermal actuator, is responsive to electrical power to drive two output beams inwardly or outwardly in opposite directions. The micro-transmission couples the force from the two output beams and transmits the displacement of the output beams to an output node of the micro-transmission. The amplification of the micro-transmission provides a much larger displacement of a beam connected to the output node than the displacement of the output beams of the actuator.

Abstract: A cable end connector includes a casing inside which a connector body is retained. Two fasteners are mounted in the casing on opposite sides of the connector body.. Each fastener includes an elongate rod having opposite ends on which a knob and a threading are respectively formed. A C-ring is mounted on the rod for supporting a helical spring that biases the rod in a predetermined direction. The helical spring has a number of regular turns having an outside diameter and an additional turn having an inside diameter corresponding to the outside diameter of the regular turns. The additional turns surrounds the last one of the regular turns, forming a continuous end turn having no unsecured free end of the wire that makes the spring. The continuous end turn is arranged against the C-ring and the continuity thereof ensures and effectively maintains the abutting engagement between the helical spring and the C-ring.

Abstract: Micromechanical actuation apparatus includes a substrate with an actuator mounted on the substrate and a micro-transmission mounted on the substrate coupled to the electrothermal actuator. The actuator, such as an electrothermal actuator, is responsive to electrical power to drive two output beams inwardly or outwardly in opposite directions. The micro-transmission couples the force from the two output beams and transmits the displacement of the output beams to an output node of the micro-transmission. The amplification of the micro-transmission provides a much larger displacement of a beam connected to the output node than the displacement of the output beams of the actuator.

Abstract: The invention provides a dental porcelain product, comprising a core layer of core material and a repair layer of repair material. The core layer has a higher melting temperature than the repair layer. The core material comprising a portion of crystalline core material and a portion of glass core material. The repair material comprises a portion of crystalline repair material and a portion of glass repair material. The portion of crystalline core material is greater than the portion of the crystalline repair material. The core material and the repair material each are formed from powder materials and each comprising silicon dioxide, aluminum oxide, sodium oxide, potassium oxide, calcium oxide, cerium oxide and boron trioxide. Preferably, the core material comprises a component selected from the group consisting of barium oxide and titanium oxide. Preferably, the repair material comprises a component selected from a group consisting of lithium oxide, magnesium oxide and terbium oxide.