Abstract: A device is disclosed. The device includes a substrate, and a plurality of spacers arranged on one side of the substrate. Each spacer has a cross section taken in a direction parallel with the substrate, where a size of the cross section of each spacer in a length direction is greater than a size of the cross section of each spacer in a width direction. In addition, an angle between the length direction of the cross section of the spacer and an X-direction of the substrate is greater than about 0° and less than about 90°, or greater than about 90° and less than about 180°.

Abstract: A liquid crystal lens is disclosed. The lens includes a first transparent substrate and a second transparent substrate opposite the first transparent substrate. The lens also includes a liquid crystal layer between the first and second transparent substrates, and a first electrode layer on an internal surface of the first transparent substrate, where the first electrode layer includes a plurality of lens electrode groups, and where each of the lens electrode groups includes a plurality of strip electrodes. The lens also includes a second electrode layer on an internal surface of the second transparent substrate, and a column spacer between the first electrode layer and the second electrode layer, where the column spacer is between two adjacent lens electrode groups.

Abstract: A lens display device is disclosed. The device includes an optical thin film layer, a polarized switch unit, and a display unit emitting light. The optical thin film layer includes a single-refringent film layer, and first and second liquid crystal lens arrays on the single-refringent film layer. The arrays are positioned such that the lens elements of the first array are misaligned from the lens elements of the second array by half of the lens period. The polarized switch unit, when operative, polarizes the light emitting from the display unit into ordinary light entering the first liquid crystal lens array and into unordinary light entering the second liquid crystal lens array. In addition, when inoperative, the polarized switch unit polarizes the light emitting from the display unit into unordinary light entering the first liquid crystal lens array and into ordinary light entering the second liquid crystal lens array.

Abstract: The present invention provides novel polymerizable monomers having chelating functionality and processes to make them. In particular, the novel monomers are vinyl aminocarboxylates and are prepared by reacting iminodiacetic acid, iminodisuccinic acid, or a salt thereof and a vinyl epoxy benzene monomer.

Abstract: The present invention provides novel polymers having chelating functionality and comprising units derived from an ethylenically unsaturated aminocarboxylate monomer which comprises units derived from ethylenediamine triacetic acid or its salt and a polymerizable vinyl monomer. The polymerizable vinyl monomer may be selected from (0-, m-, p-)DVBMO, allyl glycidyl ether, and glycidyl (meth)acrylate. The polymer may also comprise units derived from one or more ethylenically unsaturated monomers.

Abstract: The present invention provides novel polymerizable monomers having chelating functionality and processes to make them. In particular, the novel monomers are ethylenically unsaturated aminocarboxylates and are prepared by reacting ethylenediamine triacetic acid or its salt with an ethylenically unsaturated monomer. The ethyleneically unsaturated monomer may be a polymerizable vinyl monomer selected from (o-, p-, m-)DVBMO, allyl glycidyl ether, and glycidyl (meth)acrylate.

Abstract: A high-voltage lithium-ion battery cathode material includes LiNi0.5-xMn1.5MxO4 (0?x?0.2, M?Mg, Zn, Co. Cu, Fe, Ti, Zr, Ru, and Cr), which is coated with a coating material, which may be a carbon coating material, a metal phosphate coating material, or a combination thereof. The carbon coating material may be acetylene black, graphene oxide, conductive graphite, glucose, sucrose, starch, lactose, maltose, phenolic resins, polyvinyl alcohol, or a combination thereof, and the metal phosphate coating material may be FePO4, LiFePO4, CoPO4, Mn3(PO4)2, LnPO4. The coating material may account for 1 to 10% (wt %). Products of the present invention have high reversible capacities. Synthesis methods are disclosed that are simple and controllable, can produce uniform coating, and are suitable for industrial scale production.

Abstract: A method for synthesizing lithium titanate includes preparing a supercritical fluid from water; reacting a solution containing lithium and titanium with the supercritical fluid under a condition that maintains the supercritical fluid in its supercritical state to produce a reaction mixture comprising the lithium titanate; and collecting the lithium titanate. The supercritical fluid is prepared at a temperature of 375-500° C. and a pressure of 22-35 MPa. The solution containing lithium and titanium is prepared by mixing a solution containing lithium, prepared by dissolving a lithium source in a selected solvent, and a solution containing titanium, prepared by dissolving a titanium source in the selected solvent, wherein a molar ratio of lithium:titanium is between 4.0:5.0 and 4.5:5.0. The lithium source is lithium hydroxide, lithium carbonate, lithium acetate, lithium oxalate, lithium nitrate, or lithium oxide, and the titanium source is tetrabutyl titanate.

Abstract: A switching mode power supply (SMPS) includes a transformer having a primary winding, a secondary winding for providing an output voltage, and an auxiliary winding. The SMPS also includes a power switch coupled to the primary winding. A first control circuit is coupled to the secondary winding, and is configured to provide a first electrical signal to the secondary winding when the output voltage of the SMPS is less than a reference voltage during a discontinuous time, whereupon a second electrical signal is induced in the auxiliary winding. A second control circuit is coupled to the auxiliary winding and the power switch. The second control circuit is configured to regulate the output of the SMPS by controlling the power switch in response to a feedback voltage signal from the auxiliary winding, and is further configured to turn on the power switch in response to the second electrical signal.

Abstract: A startup circuit for a switching-mode power supply (SMPS) includes a first voltage detector configured to trigger the switching-mode power supply from a first operation mode to a second operation mode when an input supply voltage exceeds a first threshold voltage, a current consumption in the first voltage detector in the first operation mode being determined by a reverse leakage current of a diode. A feedback circuit is coupled to the first voltage detector and being capable of maintaining a positive feedback loop. A second voltage detector is coupled to the first voltage detector and the feedback circuit, and is configured to trigger the switching-mode power supply to switch from the second operation mode to the first operation mode when the input supply voltage is below a second threshold voltage.

Abstract: A chemical mechanical polishing pad comprising an acrylate polyurethane polishing layer, wherein the polishing layer exhibits a tensile modulus of 65 to 500 MPa; an elongation to break of 50 to 250%; a storage modulus, G?, of 25 to 200 MPa; a Shore D hardness of 25 to 75; and a wet cut rate of 1 to 10 ?m/min.

Abstract: A chemical mechanical polishing pad comprising an acrylate polyurethane polishing layer, wherein the polishing layer exhibits a tensile modulus of 65 to 500 MPa; an elongation to break of 50 to 250%; a storage modulus, G?, of 25 to 200 MPa; a Shore D hardness of 25 to 75; and a wet cut rate of 1 to 10 ?m/min.

Abstract: A liquid crystal grating module (3) and a two dimension-three dimension switchable liquid crystal display device using the same. The liquid crystal grating module (3) comprises a first transparent electrode layer (20) and a second transparent electrode layer (50). The first transparent electrode layer (20) and the second transparent electrode layer (50) are provided with interval. The first transparent electrode layer (20) comprises a plurality of lateral electrode bars (202,204). The second transparent electrode layer (50) comprises a plurality of vertical electrode bars (502,504). The lateral electrode bars (202,204) and the vertical electrode bars (502,504) are alternately superposed on each other with interval to form a grating structure. The vertical electrode bars (502,504) have three different widths in the direction vertical to the liquid crystal display pixels.

Abstract: A computer-implemented system is provided for monitoring performance of a media player launched by a web browser. The media player is referenced by a document that defines a web page and is implemented as a plug-in to the web browser. Upon accessing the web page, the web browser launches the media player. The media player in turn launches a performance monitor that is implemented as a plug-in to the media player. The performance monitor subscribes to event listener objects exposed by the media player and receives event data that is reported by the event listener objects. Performance metrics pertaining to the media player are derived from the event data.

Abstract: A switching mode power supply (SMPS) includes a transformer having a primary winding, a secondary winding for providing an output voltage, and an auxiliary winding. The SMPS also includes a power switch coupled to the primary winding. A first control circuit is coupled to the secondary winding, and is configured to provide a first electrical signal to the secondary winding when the output voltage of the SMPS is less than a reference voltage during a discontinuous time, whereupon a second electrical signal is induced in the auxiliary winding. A second control circuit is coupled to the auxiliary winding and the power switch. The second control circuit is configured to regulate the output of the SMPS by controlling the power switch in response to a feedback voltage signal from the auxiliary winding, and is further configured to turn on the power switch in response to the second electrical signal.

Abstract: Circuits and method for sensing a system output voltage change and transmitting an electrical signal to an auxiliary winding on the primary side. In an embodiment, a primary side controller detects the electrical signal and turns a power switch on and off to transfer energy from a primary winding to a secondary winding. A secondary side controller generates a voltage pulse at a terminal of the secondary winding when the system output voltage is below a reference voltage. The secondary side controller includes an input terminal connected to a system output, an output terminal connected to a terminal of the secondary winding, and a ground terminal connected to a ground potential of the system output.

Abstract: A startup circuit for a switching-mode power supply (SMPS) includes a first voltage detector configured to trigger the switching-mode power supply from a first operation mode to a second operation mode when an input supply voltage exceeds a first threshold voltage, a current consumption in the first voltage detector in the first operation mode being determined by a reverse leakage current of a diode. A feedback circuit is coupled to the first voltage detector and being capable of maintaining a positive feedback loop. A second voltage detector is coupled to the first voltage detector and the feedback circuit, and is configured to trigger the switching-mode power supply to switch from the second operation mode to the first operation mode when the input supply voltage is below a second threshold voltage.

Abstract: Circuits and method for sensing a system output voltage change and transmitting an electrical signal to an auxiliary winding on the primary side. In an embodiment, a primary side controller detects the electrical signal and turns a power switch on and off to transfer energy from a primary winding to a secondary winding. A secondary side controller generates a voltage pulse at a terminal of the secondary winding when the system output voltage is below a reference voltage. The secondary side controller includes an input terminal connected to a system output, an output terminal connected to a terminal of the secondary winding, and a ground terminal connected to a ground potential of the system output.

Abstract: A startup circuit for a switching-mode power supply (SMPS) includes a first voltage detector configured to trigger the switching-mode power supply from a startup mode to a normal operation mode when an input supply voltage exceeds a first threshold voltage, a current consumption in the first voltage detector in the startup mode being determined by a reverse leakage current of a diode. A feedback circuit is coupled to the first voltage detector and being capable of maintaining a positive feedback loop with a current consumption of no more than a microampere. A second voltage detector is coupled to the first voltage detector and the feedback circuit, and is configured to trigger the switching-mode power supply to switch from the normal operation mode to the startup mode when the input supply voltage is below a second threshold voltage.

Abstract: A startup circuit for a switching-mode power supply (SMPS) includes a first voltage detector configured to trigger the switching-mode power supply from a startup mode to a normal operation mode when an input supply voltage exceeds a first threshold voltage, a current consumption in the first voltage detector in the startup mode being determined by a reverse leakage current of a diode. A feedback circuit is coupled to the first voltage detector and being capable of maintaining a positive feedback loop with a current consumption of no more than a microampere. A second voltage detector is coupled to the first voltage detector and the feedback circuit, and is configured to trigger the switching-mode power supply to switch from the normal operation mode to the startup mode when the input supply voltage is below a second threshold voltage.